CN216800370U

CN216800370U - Dispersion liquid coating apparatus

Info

Publication number: CN216800370U
Application number: CN202220364483.3U
Authority: CN
Inventors: 黄磊; 周强; 于挺; 蔡晓庆
Original assignee: Shanghai Lingqiao Environmental Protection Equipment Works Co ltd
Current assignee: Shanghai Lingqiao Environmental Protection Equipment Works Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-06-24
Anticipated expiration: 2032-02-17

Abstract

The application relates to a dispersion liquid coating unit relates to the coating unit field to solve the current inhomogeneous problem that leads to the filter bag relatively poor to the filter effect of dust when using of coating mode coating, it includes coating mechanism and the unwinding mechanism who is used for unreeling the substrate, coating mechanism includes transmission assembly and is arranged in the gummed coating assembly to the transmission in-process, transmission assembly sets up in unwinding mechanism's output in order to be used for carrying the substrate. This application has and scribbles the dispersion with the surface of coating mode to the substrate, makes the dispersion scribble more evenly on the substrate surface to improve the filter effect to the dust when using of filter bag that the substrate was made.

Description

Dispersion liquid coating apparatus

Technical Field

The present application relates to the field of coating devices, and in particular, to a dispersion coating device.

Background

The bag type dust removal is the most important method for reducing the emission of atmospheric pollutants in China, and a filter bag made of a high-performance filter material is a core component of the bag type dust removal and plays a decisive role in the dust collection efficiency. The existing filter bag is generally made by compounding a polytetrafluoroethylene microporous membrane composite filter material and a suitable substrate (such as woven fabric needle felt filter paper) in a coating mode.

The traditional coating method is spray coating, namely vertically spraying the adhesive of the concentrated dispersion liquid of the fluorinated ethylene propylene on the surface of a filter substrate (such as woven cloth, needle felt and filter paper) conveyed by an unreeling machine by using an atomizing nozzle, drying by an oven to remove a solvent, and then coating a polytetrafluoroethylene microporous film and performing hot-pressing compounding to process the polytetrafluoroethylene microporous film composite filter material.

In view of the above-mentioned related art, the inventors found that the following drawbacks exist: the single-nozzle mobile spraying or multi-nozzle fixed-point or swinging spraying inevitably generates adhesive fog drop overlapping coating areas or edge unstable areas, which directly causes the air permeability of main functional indexes of the filter material to be uneven in the whole width or the whole length, and influences the filtering effect of the filter bag on dust when in use.

SUMMERY OF THE UTILITY MODEL

In order to improve the filter effect to the dust when the filter bag uses, this application provides a dispersion coating unit.

The application provides a dispersion coating unit adopts following technical scheme:

the utility model provides a dispersion coating unit, includes coating mechanism and the unwinding mechanism who is used for unreeling the substrate, coating mechanism includes transmission assembly and is arranged in the rubber coated coating assembly to the transmission in-process, transmission assembly sets up in unwinding mechanism's output in order to be used for carrying the substrate.

By adopting the technical scheme, the surface of the base material is coated with the dispersion liquid in a coating mode, so that the dispersion liquid is more uniformly coated on the surface of the base material, and the filtering effect of the filter bag made of the base material on dust is improved when the filter bag is used.

Optionally, the transmission assembly includes frame, wallboard, bearing roller and is used for driving bearing roller pivoted first driving piece, the wallboard sets up on the frame, the bearing roller is provided with the multiunit, multiunit the bearing roller all sets up in one side of wallboard, the substrate is around locating between the multiunit bearing roller.

Through adopting above-mentioned technical scheme, multiunit bearing roller on the first driving piece drive wallboard rotates, rotates through the bearing roller and drives the substrate motion, scribbles the dispersion to it at the in-process of substrate motion, has improved machining efficiency.

Optionally, the transmission assembly further comprises a tension detection piece, an expanding roller and a second driving piece, wherein the tension detection piece and the second driving piece are arranged on the wallboard, the expanding roller is arranged at the output end of the second driving piece, and the output end of the tension detection piece and the peripheral wall of the expanding roller are abutted to one side face of the base material.

Through adopting above-mentioned technical scheme, the substrate is before the rubber coating, by second driving piece drive expander roller, makes the substrate carry out the expander exhibition paper-back, and it is comprehensive to make the substrate contact when coinciding the rubber coating with vacuum screen line roller, and pressure is balanced, and tension detection piece detects the substrate so that it keeps reasonable tension to make the substrate better when the rubber coating effect.

Optionally, the coating assembly comprises a coating assembly, and the coating assembly comprises a glue groove, a glue groove lifting cylinder, a vacuum anilox roller and an anilox roller driving piece used for driving the vacuum anilox roller to rotate, wherein the glue groove lifting cylinder and the vacuum anilox roller are both arranged on the wallboard, the glue groove is arranged at the output end of the glue groove lifting cylinder, and the glue groove lifting cylinder drives the glue groove to move so that the vacuum anilox roller enters the glue groove or moves out of the glue groove.

By adopting the technical scheme, the concentrated dispersion adhesive is stored in the adhesive tank, the adhesive tank lifting cylinder drives the adhesive tank to move, and the adhesive tank is lowered in a preparation state or when the adhesive tank and the vacuum screen roller are cleaned; the rubber groove is lifted up through the action of the rubber groove lifting cylinder during rubber coating, so that the vacuum anilox roller is immersed into the concentrated dispersion adhesive, the concentrated dispersion adhesive is adhered to the outer peripheral wall of the vacuum anilox roller, and after the substrate is contacted with the outer wall of the vacuum anilox roller, the substrate can be coated.

Optionally, a scraper assembly is arranged on the wall plate and comprises a scraper and a third driving piece, and the third driving piece drives the scraper to movably abut against the outer peripheral wall of the vacuum anilox roller.

Through adopting above-mentioned technical scheme, the scraper motion is driven to the third driving piece, makes the edge of a knife of scraper be close to vacuum reticulation roller, strikes off the uneven glue film of adhesion on the vacuum reticulation roller, guarantees the coating precision on the substrate.

Optionally, still be provided with substrate adjusting part on the wallboard, substrate adjusting part includes cornerite air cylinder and cornerite dancer rools, the cornerite dancer rools sets up in cornerite air cylinder's output, the cornerite dancer rools with one side butt that vacuum reticulation roller was kept away from to the substrate.

By adopting the technical scheme, the wrap angle adjusting cylinder drives the wrap angle adjusting roller to move, and the wrap angle adjusting roller is lifted up under the non-working state to separate the base material from the vacuum screen line roller; during operation, the wrap angle adjusting roller is pressed downwards to enable the base material to be coated on the vacuum mesh roller for matching and gluing, the structure is simple, and the base material is coated under the control of being convenient to control.

Optionally, the wall plate is further provided with a glue homogenizing assembly, the glue homogenizing assembly comprises a stroke-adjustable cylinder and a glue homogenizing roller, the glue homogenizing roller is arranged at the output end of the stroke-adjustable cylinder, and the stroke-adjustable cylinder drives the glue homogenizing roller to be close to the substrate to movably abut against one side of the vacuum anilox roller.

By adopting the technical scheme, after the stroke-adjustable cylinder drives the glue homogenizing roller to move, the glue homogenizing roller and the glued substrate keep a certain pressure according to the process requirement, and rolling engagement is carried out, so that the glued surface of the substrate is fully soaked.

Optionally, supporting legs adjustable in the vertical direction are arranged at four corners of the bottom end of the machine base.

Through adopting above-mentioned technical scheme, adjust the position of supporting legs in vertical side, it is more steady when making the frame place, and then the effect when improving to the substrate and scribbling.

In summary, the present application includes at least the following advantageous technical effects:

the surface of the base material is coated with the dispersion liquid in a coating mode, so that the dispersion liquid is more uniformly coated on the surface of the base material, and the dust filtering effect of a filter bag made of the base material is improved when the filter bag is used;

the first driving part drives the carrier roller to rotate so as to drive the base material to be conveyed, the second driving part drives the expanding roller before the base material is coated with glue, the base material is expanded and flattened, the base material is in complete contact with the vacuum screen roller during glue coating, the pressure is balanced, the tension detecting part detects the base material so as to keep reasonable tension, and the glue coating effect of the base material is improved;

through setting up scraper subassembly and even subassembly of gluing, the edge of a knife of scraper is close to vacuum reticulation roller, strikes off the uneven glue film of adhesion on the vacuum reticulation roller, guarantees the coating precision on the substrate, and after the even rubber roll of stroke adjustable cylinder drive moved simultaneously, messenger even rubber roll and gummed substrate kept certain pressure according to the technology needs, carries out the roll extrusion meshing, makes fibre class substrate rubber coating surface fully soak, further improves the rubber coated effect of substrate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Reference numerals: 1. a coating mechanism; 11. a transmission assembly; 111. a machine base; 112. a wallboard; 113. a carrier roller; 114. a tension detecting member; 115. a spreader roll; 116. a second driving member; 117. supporting legs; 12. a coating assembly; 121. a glue groove; 122. a glue groove lifting cylinder; 123. a vacuum anilox roll; 2. a substrate; 3. an unwinding mechanism; 4. a scraper assembly; 41. a scraper; 42. a third driving member; 5. a substrate conditioning assembly; 51. a wrap angle adjusting cylinder; 52. wrap angle adjusting rollers; 6. a glue homogenizing assembly; 61. a stroke-adjustable cylinder; 62. and (4) a glue homogenizing roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses dispersion coating unit.

Referring to fig. 1-2, the dispersion coating device includes a coating mechanism 1, an unwinding mechanism 3, a scraper assembly 4, a substrate adjusting assembly 5 and a glue homogenizing assembly 6, the substrate 2 is unwound through the unwinding mechanism 3, the coating mechanism 1 can coat the unwound substrate 2, the thickness of the dispersion coating is controlled through the scraper assembly 4, the substrate adjusting assembly 5 is used for controlling the substrate 2 to realize coating, and then the substrate 2 is fully soaked by the dispersion adhesive through the glue homogenizing assembly 6.

In order to transmit and coat the substrate 2 conveniently, the coating mechanism 1 comprises a transmission assembly 11 and a coating assembly 12 for coating glue in the transmission process, the transmission assembly 11 is arranged at the output end of the unwinding mechanism 3 and used for conveying the substrate 2, the transmission assembly 11 comprises a base 111, a wall plate 112, carrier rollers 113 and a first driving piece for driving the carrier rollers 113 to rotate, the wall plate 112 is fixedly connected onto the base 111, supporting legs 117 which can be adjusted in the vertical direction are arranged at four corners of the bottom end of the base 111, the supporting legs 117 are in threaded connection with a base, the carrier rollers 113 are provided with multiple groups, the carrier rollers 113 are rotationally connected to one side of the wall plate 112, the substrate 2 is wound among the carrier rollers 113, the first driving piece drives the carrier rollers 113 on the wall plate 112 to rotate, and the substrate 2 is driven to move by the rotation of the carrier rollers 113; in order to expand and flatten the substrate 2 before gluing, the transmission assembly 11 further comprises a tension detection piece 114, an expansion roller 115 and a second driving piece 116, wherein the tension detection piece 114 and the second driving piece 116 are both fixedly mounted on the wall plate 112, the expansion roller 115 is fixedly connected to the output end of the second driving piece 116, the output end of the tension detection piece 114 and the outer peripheral wall of the expansion roller 115 are both abutted against one side surface of the substrate 2, the second driving piece 116 drives the expansion roller 115 to expand and flatten the substrate 2, so that the substrate 2 is in full contact with the vacuum screen roller 123 when gluing is carried out in a matching way, the pressure is balanced, and the tension detection piece 114 detects the substrate 2 to keep reasonable tension.

In order to realize the gluing of the substrate 2, the coating assembly 12 comprises a glue groove 121, a glue groove lifting cylinder 122, a vacuum mesh roller 123 and a mesh roller driving member for driving the vacuum mesh roller 123 to rotate, wherein the glue groove lifting cylinder 122 and the vacuum mesh roller 123 are both fixedly connected to the wall plate 112, the glue groove 121 is fixedly connected to the output end of the glue groove lifting cylinder 122, the glue groove lifting cylinder 122 drives the glue groove 121 to move so that the vacuum mesh roller 123 enters the glue groove 121 or moves out of the glue groove 121, a dispersion adhesive is placed inside the glue groove 121, the vacuum mesh roller 123 can adhere the dispersion adhesive after entering the glue groove 121, the mesh roller driving member drives the vacuum mesh roller 123 to rotate, and the substrate 2 can be coated after being contacted with the outer wall of the vacuum mesh roller 123; in order to improve the coating precision of the base material 2, the wall plate 112 is provided with a scraper assembly 4, the scraper assembly 4 comprises a scraper 41 and a third driving member 42, the third driving member 42 is fixedly arranged on the wall plate 112, and the third driving member 42 drives the scraper 41 to movably abut against the outer peripheral wall of the vacuum screen roller 123; the wall plate 112 is further provided with a substrate adjusting assembly 5, the substrate adjusting assembly 5 comprises a wrap angle adjusting cylinder 51 and a wrap angle adjusting roller 52, the wrap angle adjusting roller 52 is rotatably connected to the output end of the wrap angle adjusting cylinder 51, the wrap angle adjusting roller 52 is abutted to one side, far away from the vacuum anilox roller 123, of the substrate 2, the wrap angle adjusting cylinder 51 drives the wrap angle adjusting roller 52 to move, the wrap angle adjusting roller 52 is lifted up under a non-working state to separate the substrate 2 from the vacuum anilox roller 123, and the wrap angle adjusting roller 52 is pressed down to enable the substrate 2 to be wrapped on the vacuum anilox roller 123 to be matched and coated with glue during working; the wall plate 112 is further provided with a glue homogenizing assembly 6, the glue homogenizing assembly 6 comprises a stroke-adjustable cylinder 61 and a glue homogenizing roller 62, the glue homogenizing roller 62 is rotatably connected to the output end of the stroke-adjustable cylinder 61, the stroke-adjustable cylinder 61 drives the glue homogenizing roller 62 to movably abut against one side, close to the vacuum mesh roller 123, of the substrate 2, and after the stroke-adjustable cylinder 61 drives the glue homogenizing roller 62 to move, the glue homogenizing roller 62 and the glued substrate 2 are kept at a certain pressure according to process requirements and are in rolling engagement, so that the glued surface of the substrate 2 is fully soaked.

The implementation principle of the dispersion liquid coating device in the embodiment of the application is as follows: when the device uses, switch on, unreel substrate 2 through unwinding mechanism 3, rethread transmission assembly 11 transmits substrate 2, substrate 2 is at the in-process of transmission, coating assembly 12 realizes the coating of substrate 2, scraper assembly 4 is used for adjusting the thickness of coating on the substrate 2, it is more accurate to make the coating, substrate adjusting part 5 is with the position of adjusting substrate 2, contact with vacuum reticulation roller 123 with control substrate 2, realize the coating, make the abundant infiltration substrate 2 of dispersion glue binder by even subassembly 6 again at last.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A dispersion liquid coating apparatus, characterized in that: including coating mechanism (1) and unwinding mechanism (3) that are used for unreeling substrate (2), coating mechanism (1) is including transmission assembly (11) and be used for to gummed coating assembly (12) in the transmission process, transmission assembly (11) set up in unwinding mechanism (3)'s output in order to be used for carrying substrate (2).

2. The dispersion coating apparatus according to claim 1, characterized in that: the transmission assembly (11) includes frame (111), wallboard (112), bearing roller (113) and is used for driving bearing roller (113) pivoted first driving piece, wallboard (112) set up on frame (111), bearing roller (113) are provided with the multiunit, multiunit bearing roller (113) all set up in one side of wallboard (112), substrate (2) are around locating between multiunit bearing roller (113).

3. The dispersion coating apparatus according to claim 2, characterized in that: transmission component (11) are still including tension detection piece (114), expanding roller (115) and second driving piece (116), tension detection piece (114) and second driving piece (116) all set up in on wallboard (112), expanding roller (115) set up in the output of second driving piece (116), the output of tension detection piece (114) and the periphery wall of expanding roller (115) all with a side butt of substrate (2).

4. The dispersion coating apparatus according to claim 3, characterized in that: the coating assembly (12) comprises a glue groove (121), a glue groove lifting cylinder (122), a vacuum screen roller (123) and a screen roller driving piece for driving the vacuum screen roller (123) to rotate, wherein the glue groove lifting cylinder (122) and the vacuum screen roller (123) are both arranged on the wall board (112), the glue groove (121) is arranged at the output end of the glue groove lifting cylinder (122), and the glue groove lifting cylinder (122) drives the glue groove (121) to move so that the vacuum screen roller (123) enters the glue groove (121) or moves out of the glue groove (121).

5. The dispersion coating apparatus according to claim 4, characterized in that: be provided with scraper subassembly (4) on wallboard (112), scraper subassembly (4) include scraper (41) and third driving piece (42), third driving piece (42) drive scraper (41) with the periphery wall activity butt of vacuum reticulation roller (123).

6. The dispersion coating apparatus according to claim 5, characterized in that: still be provided with substrate adjusting part (5) on wallboard (112), substrate adjusting part (5) are including cornerite adjust cylinder (51) and cornerite dancer rools (52), cornerite dancer rools (52) set up in the output of cornerite adjust cylinder (51), cornerite dancer rools (52) with one side butt of vacuum reticulation pattern roller (123) is kept away from in substrate (2).

7. The dispersion coating apparatus according to claim 6, characterized in that: still be provided with even subassembly (6) of gluing on wallboard (112), even subassembly (6) of gluing includes stroke adjustable cylinder (61) and even rubber roll (62), even rubber roll (62) set up in the output of stroke adjustable cylinder (61), stroke adjustable cylinder (61) drive even rubber roll (62) with substrate (2) are close to one side activity butt of vacuum reticulation roller (123).

8. The dispersion coating apparatus according to claim 2, characterized in that: supporting legs (117) which can be adjusted in the vertical direction are arranged at four corners of the bottom end of the machine base (111).