CN217473944U

CN217473944U - Scrape coating equipment is used in production of PTFE microporous membrane compound PET fibre filter material

Info

Publication number: CN217473944U
Application number: CN202220665570.2U
Authority: CN
Inventors: 周宏成
Original assignee: Zhejiang Lucking Environmental Protection Co ltd
Current assignee: Zhejiang Lucking Environmental Protection Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-09-23
Anticipated expiration: 2032-03-25

Abstract

The utility model provides a production of compound PET fibre filter material of PTFE microporous membrane is with knife coating equipment, includes the box, sets up in the box and along the feed structure, knife coating roller set, the setting that fibre base cloth transmission direction distributes and be in the box and be located the scraper blade unit on the knife coating roller set side, set up scraper blade unit lower extreme is in order to promote the mode of scraper blade unit shortens the scraper blade unit with the regulating unit, the setting of the interval of knife coating roller set are in the box outside is served and is used for the installation regulating unit's fixed unit. This device is through setting up scraper blade unit, regulating unit, the mode of fixed unit, and the coating that makes the adhesion of knife coating roller set surface can be got rid of in step by knife coating roller set during operation, guarantees that knife coating roller surface is smooth, makes the coating surfacing, and the filter material quality that finally obtains is effectual.

Description

Scrape coating equipment is used in production of PTFE microporous membrane compound PET fibre filter material

Technical Field

The utility model belongs to the technical field of polytetrafluoroethylene production facility, concretely relates to production of compound PET fibre filter material of PTFE microporous membrane is with knife coating equipment.

Background

With the development of heavy industrial industries such as coal-fired power plants, steel industry, waste incineration and building materials, the environment is gradually worsened due to the emission of industrial flue gas of ultrafine dust carrying a large amount of harmful substances such as heavy metals, sulfides and nitrogen oxides, and the influence on the quality of the atmospheric environment is huge due to the small particle size of ultrafine particles, the large amount of toxic and harmful substances, the long residence time in the atmosphere and the long conveying distance.

In recent years, people's attention to ultrafine particles such as PM2.5 is gradually increased, the filter material for removing ultrafine particles is influenced by the fineness of the fiber of the filtering surface layer to a certain extent, the production and the manufacture of ultrafine fibers below 1D are limited, and the research and the development of a novel filter material for removing ultrafine particles in high-temperature smoke becomes inevitable. The PTFE microporous membrane composite PET fiber filter material has the characteristics of smoothness, softness and strong wrinkle resistance, not only has good filtering performance for capturing superfine particulate matters such as PM2.5, but also has the characteristics of chemical corrosion resistance, oxidation resistance, easiness in dewatering and dust removal, and is an ideal filter material.

The production of PTFE microporous membrane composite PET fiber filter material generally adopts the process of scraping and coating the mixed liquid containing PTFE emulsion on the treated PET fiber base cloth, and then drying and shaping. Among them, knife coating equipment is particularly important, and directly influences the quality of filter materials.

The document with the publication number CN216025864U discloses a multifunctional coating machine, which adjusts the thickness of a coating layer of a feeding material by arranging a comma scraper and a rear rubber roller right above a scraping roller and a traction roller, and performs recovery processing through a material collecting box. However, the device does not consider the problem that the coating adhered on the blade coating roller is more and more along with the process time, and the uneven surface of the coating is easy to generate to influence the coating effect.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model aims at providing a PTFE microporous membrane composite PET fibre filter material production is with knife coating equipment, through the mode that sets up scraper blade unit, regulating unit, fixed unit, the coating that makes knife coating roller set surface adhesion can be got rid of in step at knife coating roller set during operation, guarantees that knife coating roller surface is smooth, makes the coating surfacing, and the filter material quality that finally obtains is effectual.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

the utility model provides a production of compound PET fibre filter material of PTFE microporous membrane is with knife coating equipment, includes the box, sets up in the box and along the feed structure, knife coating roller set, the setting that fibre base cloth direction of transfer distributes and be in the box and be located scraper blade unit on the knife coating roller set side, set up scraper blade unit lower extreme and in order to promote scraper blade unit's mode shortens scraper blade unit with the regulating unit of the interval of knife coating roller set, setting are in the box outside is served and is used for the installation the fixed unit of regulating unit.

As the utility model discloses a further preferred, the scraper blade unit includes the riser, sets up riser upper end and with diaphragm, the setting that the riser is connected and is formed the type of falling L structure are in riser upper end and be used for with axis of rotation and the setting that the box inside wall is connected are in the diaphragm is close to scraper blade on scraper blade roller set one side.

As a further preference of the utility model, the regulating unit is including setting up track on the box side, setting are in sliding plate, setting on the track are in the sliding plate is close to fixed column and setting on box inner wall one side are in the fixed column upper end is located the driving lever of riser side.

As a further preferred aspect of the present invention, the adjusting unit further comprises a limiting rod disposed on the inner wall of the box and located on one side of the shifting rod.

As a further preference of the utility model, the adjusting unit is still including setting up fixed column upper end is used for inserting the fluting of driving lever, setting are in fixed orifices and setting on the cell wall of fluting both sides are in driving lever lower extreme and with the dwang that the fixed orifices is connected.

As a further preference of the utility model, the fixed unit is including setting up spliced pole, setting on the sliding plate side are in fixed plate, setting on the box lateral wall are in fixed plate one end is served and is used for inserting the fixed slot of spliced pole and setting are in push pedal on the fixed plate other end.

As a further preference of the present invention, the adjusting unit further comprises a torsion spring having two ends respectively connected to the fixing hole and the rotating rod.

As the utility model discloses a further preferred, still including setting up collection box on the box inside wall.

To sum up, the utility model discloses following beneficial effect has:

the utility model discloses set up the structure that is used for striking off the coating of knife coating roller set surface adhesion, struck off the coating of adhesion on the roll surface in step at knife coating roller set during operation, guaranteed that knife coating roller surface is smooth, made the coating surfacing, the filter material quality that finally obtains is effectual.

The utility model discloses strike off the angle and strike off thickness adjustable to knife coating roller set surface, it is little to the wearing and tearing of roll surface, and economic benefits is good.

The utility model discloses simple structure, can strike off angle and thickness at device external control, labour saving and time saving, security height.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a schematic three-dimensional structure diagram of the scraper unit and the adjusting unit of the present invention.

Fig. 4 is a schematic diagram of the three-dimensional structure of the adjusting unit and the fixing unit of the present invention.

Fig. 5 is a schematic structural diagram of the scraper unit of the present invention when it is standing.

Fig. 6 is a schematic structural diagram of the scraper unit of the present invention during operation.

Description of reference numerals: the device comprises a fiber base cloth a, a box body 1, a feeding structure 11, a blade coating roller group 12, a scraper unit 2, a vertical plate 201, a transverse plate 202, a rotating shaft 203, a scraper 204, an adjusting unit 3, a rail 301, a sliding plate 302, a fixing column 303, a deflector rod 304, a limiting rod 305, a slotted groove 306, a fixing hole 307, a rotating rod 308, a torsion spring 309, a fixing unit 4, a connecting column 401, a fixing plate 402, a fixing groove 403, a push plate 404 and a collecting box 5.

Detailed Description

Examples

The scraping and coating equipment for producing the PTFE microporous membrane composite PET fiber filter material comprises a box body 1, a feeding structure 11 which is arranged in the box body 1 and distributed along the transmission direction of fiber base cloth a, a scraping and coating roller set 12, a scraping plate unit 2 which is arranged in the box body 1 and is positioned on the side end of the scraping and coating roller set 12, an adjusting unit 3 which is arranged at the lower end of the scraping plate unit 2 and shortens the distance between the scraping plate unit 2 and the scraping and coating roller set 12 in a mode of pushing the scraping plate unit 2, a fixing unit 4 which is arranged at the outer side end of the box body 1 and is used for installing the adjusting unit 3, and a collecting box 5 which is arranged on the inner side wall of the box body 1, wherein the feeding structure 11 is arranged in the box body 1 and distributed along the transmission direction of the fiber base cloth a.

Compared with the traditional scraping equipment, the device is additionally provided with a structure for scraping off the coating adhered to the surface of the scraping roller group 12, and specifically comprises a scraping plate unit 2, an adjusting unit 3 and a fixing unit 4, and all the structural units are positioned at the output side of the box body 1. In this embodiment, the two blade coating rollers 12 are two blade coating rollers, one for each side coating of the fiber base fabric a; each doctor roll corresponds to one blade unit 2, two regulating units 3 and two fixing units 4. The whole scraper unit 2 is positioned below the side of the scraper roller, the length of the whole scraper unit is equivalent to that of the scraper roller, and the two ends of the scraper unit 2 are rotatably connected with the inner side walls of the two ends of the box body 1, so that the functions of adjusting the scraping angle and the scraping thickness are realized; the two adjusting units 3 are respectively positioned at two sides of the scraper unit 2 and can push the scraper unit 2 to rotate at a certain angle; the two fixing units 4 are respectively used for fixing the two adjusting units 3, and the adjusting units 3 can be moved by pushing the fixing units 4 out of the box body 1 so as to push the scraper unit 2 to rotate, and finally, the functions of adjusting the scraping angle and the scraping thickness are realized; the collecting box 5 is used for collecting the scraped coating.

Compared with the traditional knife coating equipment, the device has the advantages that: firstly, a structure for scraping the paint adhered to the surface of the scraping roller set is arranged, the paint adhered to the surface of the roller is synchronously scraped when the scraping roller set works, the surface of the scraping roller is ensured to be smooth, the surface of a coating is smooth, and the quality effect of the finally obtained filter material is good; secondly, the scraping angle and the scraping thickness of the device on the surface of the scraping roller set are adjustable, the abrasion to the roller surface is small, and the economic benefit is good; thirdly, this device simple structure, can strike off angle and thickness at device external control, labour saving and time saving, security height.

In the present embodiment, as shown in fig. 3, the scraper unit 2 includes a vertical plate 201, a horizontal plate 202 disposed on the upper end of the vertical plate 201 and connected to the vertical plate 201 to form an inverted L-shaped structure, a rotation shaft 203 disposed on the upper end of the vertical plate 201 and connected to the inner side wall of the housing 1, and a scraper 204 disposed on the side of the horizontal plate 202 close to the scraper roller set 12. The included angle between the line connecting the axis of the rotating shaft 203 and the axis of the blade coating roller set 12 and the horizontal line is an acute angle, so as to ensure that the distance between the scraper 204 and the surface of the blade coating roller is reduced when the transverse plate 202 is inclined from the horizontal direction.

In this embodiment, as shown in fig. 3 to 5, the adjusting unit 3 includes a rail 301 disposed on a side end of the box body 1, a sliding plate 302 disposed on the rail 301, a fixing post 303 disposed on a side of the sliding plate 302 close to an inner wall of the box body 1, a shift lever 304 disposed at an upper end of the fixing post 303 and located at a side end of the vertical plate 201, a limiting rod 305 disposed on the inner wall of the box body 1 and located at a side of the vertical plate 201 away from the shift lever 304, a slot 306 disposed at an upper end of the fixing post 303 and inserted into the shift lever 304, fixing holes 307 disposed on two side slot walls of the slot 306, a rotating rod 308 disposed at a lower end of the shift lever 304 and connected to the fixing hole 307, and a torsion spring 309 having two ends connected to the fixing hole 307 and the rotating rod 308, respectively. The arrangement of the slot 306, the fixing hole 307 and the rotating rod 308 is used for reducing friction between the shift lever 304 and the vertical plate 201, and the torsion spring 309 is used for enabling the shift lever 304 to quickly return to a vertical state after the external force disappears.

In the present embodiment, as shown in fig. 4, the fixing unit 4 includes a connection column 401 provided on a side end of the sliding plate 302, a fixing plate 402 provided on an outer side wall of the case 1, a fixing groove 403 provided on one end of the fixing plate 402 and adapted to be inserted into the connection column 401, and a push plate 404 provided on the other end of the fixing plate 402. The number of the connecting columns 401, the fixing plates 402 and the fixing grooves 403 is two, and the connecting columns, the fixing plates 402 and the fixing grooves are distributed on two sides of the box body 1; the number of the push plates 404 is one, the push plates are located at the outlet of the box body 1, and two ends of each push plate are respectively connected with the end parts of the two fixing plates 402, so that a U-shaped structure is formed, the purpose is to enable the two fixing plates 402 to push the sliding plate 302 to act in the same direction, the distance between the push plates 404 and the outlet of the box body 1 is greater than or equal to the length of the track 301, and the situation that the push plates 404 abut against the outer side of the box body 1 when the sliding plate 302 does not move to the end parts of the track 301 is avoided.

As shown in fig. 6, the device is mainly divided into two states: the scraper unit is in a standing state and the scraper unit is in a working state. The working principle of the scraper unit 2 converted from the standing state to the working state is as follows: firstly, push pedal 404 is pushed to make two sliding plates 302 on two sides of the box body 1 translate in the track 301, the shift lever 304 is driven by the sliding plates 302 and the fixed column 303 to translate synchronously, and the vertical plate 201 is pushed against the transmission direction of the fiber base cloth a, the vertical plate 201 is pushed to drive the transverse plate 202 and the scraper 204 to rotate along the rotating shaft 203, the distance between the scraper 204 and the roller surface is reduced until the vertical plate 201 rotates to the lower end of the vertical plate 201 to be clamped by the limiting rod 305, at this time, the scraper 204 can scrape off the coating on the roller surface, the angle is kept unchanged, and the scraping work can be continuously carried out. When the transition to the resting state is required: firstly, the push plate 404 is pulled outwards, the sliding plate 302 drives the fixed column 303 to drive the shift lever 304 to translate outwards, and the vertical plate 201 is reset under the action of gravity until the vertical state is recovered.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a production of compound PET fibre filter material of PTFE microporous membrane is with knife coating equipment, includes box (1), sets up in box (1) and along the feed structure (11) that fibre base cloth (a) transmission direction distributes, knife coating roller set (12), its characterized in that, still including setting up scraper blade unit (2), setting on scraper blade roller set (12) side are located in box (1) scraper blade unit (2) lower extreme is in order to promote the mode of scraper blade unit (2) shortens scraper blade unit (2) with adjusting unit (3), the setting of the interval of scraper blade roller set (12) are in on box (1) outside end and be used for the installation fixed unit (4) of adjusting unit (3).

2. The scraping equipment for producing the PTFE microporous membrane composite PET fiber filtering material as claimed in claim 1, wherein the scraping plate unit (2) comprises a vertical plate (201), a transverse plate (202) which is arranged at the upper end of the vertical plate (201) and connected with the vertical plate (201) to form an inverted L-shaped structure, a rotating shaft (203) which is arranged at the upper end of the vertical plate (201) and connected with the inner side wall of the box body (1), and a scraping plate (204) which is arranged on one side, close to the scraping roller group (12), of the transverse plate (202).

3. The doctor blade coating device for producing the PTFE microporous membrane composite PET fiber filter material according to claim 2, wherein the adjusting unit (3) comprises a rail (301) arranged at the side end of the box body (1), a sliding plate (302) arranged on the rail (301), a fixing column (303) arranged on one side, close to the inner wall of the box body (1), of the sliding plate (302), and a driving lever (304) arranged at the upper end of the fixing column (303) and located at the side end of the vertical plate (201).

4. The scraping and coating equipment for producing the PTFE microporous membrane composite PET fiber filter material according to claim 3, wherein the adjusting unit (3) further comprises a limiting rod (305) which is arranged on the inner wall of the box body (1) and is positioned on one side, away from the driving lever (304), of the vertical plate (201).

5. The doctor blade coating equipment for producing the PTFE microporous membrane composite PET fiber filter material according to claim 4, wherein the adjusting unit (3) further comprises a slot (306) which is arranged at the upper end of the fixing column (303) and is used for inserting the deflector rod (304), fixing holes (307) which are arranged on the slot walls on two sides of the slot (306), and a rotating rod (308) which is arranged at the lower end of the deflector rod (304) and is connected with the fixing holes (307).

6. The doctor blade coating equipment for producing the PTFE microporous membrane composite PET fiber filter material according to claim 3, wherein the fixing unit (4) comprises a connecting column (401) arranged at the side end of the sliding plate (302), a fixing plate (402) arranged on the outer side wall of the box body (1), a fixing groove (403) arranged at one end of the fixing plate (402) and used for inserting the connecting column (401), and a push plate (404) arranged at the other end of the fixing plate (402).

7. The scraping and coating equipment for producing the PTFE microporous membrane composite PET fiber filter material according to claim 5, wherein the adjusting unit (3) further comprises a torsion spring (309) of which two ends are respectively connected with the fixing hole (307) and the rotating rod (308).

8. The scraping and coating equipment for producing the PTFE microporous membrane composite PET fiber filter material according to claim 1, characterized by further comprising a collecting box (5) arranged on the inner side wall of the box body (1).