CN115069496A - Coating device for textile fabric - Google Patents
Coating device for textile fabric Download PDFInfo
- Publication number
- CN115069496A CN115069496A CN202210755940.6A CN202210755940A CN115069496A CN 115069496 A CN115069496 A CN 115069496A CN 202210755940 A CN202210755940 A CN 202210755940A CN 115069496 A CN115069496 A CN 115069496A
- Authority
- CN
- China
- Prior art keywords
- coating
- die head
- guide board
- cloth
- side plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011248 coating agent Substances 0.000 title claims abstract description 122
- 238000000576 coating method Methods 0.000 title claims abstract description 122
- 239000004744 fabric Substances 0.000 title claims abstract description 51
- 239000004753 textile Substances 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000011247 coating layer Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 15
- 238000007790 scraping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1005—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material already applied to the surface, e.g. coating thickness, weight or pattern
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Coating Apparatus (AREA)
Abstract
The invention discloses a coating device for textile cloth, which comprises a coating die head, wherein the coating die head is arranged above the cloth which is horizontally arranged, and comprises a first side plate (4), a second side plate (5), a top plate (7), a material storage cavity (8), a feeding pipe (9) and a coating opening (10), and is characterized in that: the coating mouth sets up in the left side of coating die head, the inlet pipe sets up in the right side of coating die head, be provided with first guide board (11), second guide board (12) in the storage cavity, on the medial surface of first curb plate and the position department of neighbouring first guide board low reaches end be provided with a plurality of first bellyings (13), on inclined plane (51) and the position department of neighbouring second guide board low reaches end be provided with a plurality of second bellyings (14), the first guide board of feed liquid flow through in proper order, the second guide board, the inclined plane, the coating mouth. The invention can improve the uniformity of coating thickness and improve the coating effect.
Description
Technical Field
The invention relates to the technical field of textile fabric production and manufacturing, in particular to a coating device for textile fabric.
Background
The coating device comprises a coating die head, conveying rollers and a scraper, wherein the coating die head is arranged above horizontally arranged cloth, the cloth moves under the driving of the conveying rollers, one side of the coating die head is connected with the scraper, the coating die head is generally in a long-strip-shaped rectangular structure, the coating die head comprises a first side plate, a second side plate, a top plate, a material storage cavity, a feeding pipe and a coating port, the first side plate, the second side plate and the material storage cavity are formed between the top plates, the feeding pipe is connected onto the top plate, the inner side of the second side plate is provided with an inclined plane, and the coating port is arranged at the bottom end of the coating die head and is located at the lower end of the inclined plane. However, the existing coating device has the problems of poor coating uniformity and poor coating effect.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a coating device for textile cloth, which can prolong the flow path of feed liquid and slow down the flow speed through the design of a first guide plate and a second guide plate, so that the pressure fluctuation of a coating port can be reduced, and the coating uniformity can be improved; through the design of the first protruding part and the second protruding part, the liquid can be effectively collided, so that bubbles in the liquid can be inhibited/reduced, and the coating effect is improved. The gas channel is formed between the second side plate and the third side plate, the second side plate is made of a high-thermal-conductivity material, a part of the temperature of the coating material liquid can be transmitted to the gas channel, and the gas in the gas channel has a certain temperature rise under the condition that the fluidity of the coating material liquid is not influenced, so that the pre-drying effect of the coating layer can be improved. Through the design of the pre-uniform thickness structure, the coating liquid can be pre-uniformly thick and pre-uniformly scraped, so that the uniformity of the coating thickness can be improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a coating device of textile fabric, it includes coating die head (1), conveying roller (2), scraper (3), the coating die head sets up in the top of the cloth (W) of horizontal arrangement, the cloth moves under the drive of a plurality of conveying rollers, one side of coating die head is connected with the scraper, the coating die head is rectangular structure of rectangular form generally, the coating die head includes first curb plate (4), second curb plate (5), roof (7), storage cavity (8), inlet pipe (9), coating mouth (10), first curb plate, the second curb plate, constitute the storage cavity between the roof, be connected with the inlet pipe on the roof, the inboard of second curb plate has inclined plane (51), the coating mouth sets up in the bottom of coating die head and is located the lower extreme on inclined plane, its characterized in that: coating mouth (10) sets up in the left side of coating die head, the inlet pipe sets up in the right side of coating die head, be provided with first guide board (11), second guide board (12) in the storage cavity, first guide board, the second guide board sets up for cloth (W) slope, the second guide board sets up in the below of first guide board, position department on the medial surface of first curb plate and neighbouring first guide board downstream end is provided with a plurality of first bellyings (13), position department on inclined plane (51) and neighbouring second guide board downstream end is provided with a plurality of second bellyings (14), the feed liquid flows through first guide board (11), first bellyings (13), second guide board (12), second bellyings (14), inclined plane (51), coating mouth (10) in proper order.
Further, a third side plate (6) is connected to the outer side of the second side plate (5), a gas channel (15) is formed between the second side plate and the third side plate, a gas outlet (16) is formed in the tail end of the gas channel and located at the bottom end of the coating die head (1), the second side plate is made of a high-thermal-conductivity material, and the gas outlet is used for pre-drying the coating layer.
Further, a pre-uniform thickness structure (17) is arranged at the bottom end of the coating die head (1), the pre-uniform thickness structure is located between the coating opening (10) and the gas outlet (16), the pre-uniform thickness structure comprises a first concave part (18), a third convex part (19) and a second concave part (20) which are sequentially connected, and the cross sections of the first concave part, the third convex part and the second concave part are of a generally triangular structure.
Furthermore, a height H1 is formed between the top end of the first concave part (18) and the cloth (W), a height H2 is formed between the bottom end of the third convex part (19) and the cloth, a height H3 is formed between the bottom end of the pre-uniform thickness structure (17) and the cloth, H1, H2 and H3 are different, and H1 is larger than H2 and is larger than H3.
Further, H1 ═ (1.3-1.5) H2, and H1 ═ 1.6-1.8) H3.
Further, a height H4 is arranged between the bottom end of the gas outlet (16) and the cloth (W), and H4 is more than H1; the gas outlet is arranged obliquely relative to the cloth, and the inclination angle a is 60-80 degrees.
Further, the outer side of the third side plate (6) is connected with a scraper (3) through a connecting plate, and the scraper is used for controlling the thickness of the final coating layer.
The coating device for the textile fabric has the following beneficial technical effects:
(1) through the design of the first guide plate and the second guide plate, the flow path of the feed liquid can be prolonged, the flow speed is slowed down, the pressure fluctuation of the coating opening can be reduced, and the coating uniformity can be improved; through the design of the first protruding part and the second protruding part, the liquid can be effectively collided, so that bubbles in the liquid can be inhibited/reduced, and the coating effect is improved.
(2) The gas channel is formed between the second side plate and the third side plate, the second side plate is made of a high-thermal-conductivity material, so that a part of the temperature of the coating material liquid can be transferred to the gas channel, and the gas in the gas channel has a certain temperature rise (small temperature rise) under the condition of not influencing the fluidity of the coating material liquid, so that the pre-drying effect of the coating layer can be improved.
(3) According to the coating device for the textile fabric, the pre-uniform thickness structure is designed, so that the effects of pre-uniform thickness and pre-scraping thickness of the coating material liquid can be achieved, and the uniformity of the coating thickness can be improved.
Drawings
FIG. 1 is a schematic view of a coating apparatus for textile fabrics according to the present invention;
fig. 2 is a partially enlarged structural view of a coating apparatus for textile cloth according to the present invention.
In the figure: the coating device comprises a coating die head 1, a conveying roller 2, a scraper 3, a first side plate 4, a second side plate 5, an inclined surface 51, a third side plate 6, a top plate 7, a material storage cavity 8, a feeding pipe 9, a coating opening 10, a first guide plate 11, a second guide plate 12, a first protruding part 13, a second protruding part 14, a gas channel 15, a gas outlet 16, a pre-uniform thickness structure 17, a first concave part 18, a third protruding part 19, a second concave part 20 and cloth W.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, a coating apparatus for textile fabric, which includes a coating die head 1, conveying rollers 2, and a scraper 3, wherein the coating die head 1 is disposed above a horizontally disposed fabric W, the fabric W moves under the driving of the conveying rollers 2, the scraper 3 is connected to one side of the coating die head 1, the coating die head 1 is substantially in a rectangular structure in a long strip shape, the coating die head 1 includes a first side plate 4, a second side plate 5, a top plate 7, a material storage cavity 8, a feeding pipe 9, and a coating opening 10, the first side plate 4, the second side plate 5, and the top plate 7 form the material storage cavity 8 therebetween, the top plate 7 is connected with the feeding pipe 9, the inner side of the second side plate 5 has an inclined surface 51, and the coating opening 10 is disposed at the bottom end of the coating die head 1 and located at the lower end of the inclined surface 51, and is characterized in that: coating mouth 10 sets up in the left side of coating die head 1, inlet pipe 9 sets up in the right side of coating die head 1, be provided with first guide board 11 in the storage cavity 8, second guide board 12, first guide board 11, second guide board 12 sets up for cloth W slope, second guide board 12 sets up in the below of first guide board 11, the position department that just is close to first guide board 11 downstream end on the medial surface of first curb plate 4 is provided with a plurality of first bellyings 13, the position department that just is close to second guide board 12 downstream end on inclined plane 51 is provided with a plurality of second bellyings 14, the feed liquid flows through first guide board 11 in proper order, first bellyings 13, second guide board 12, second bellyings 14, inclined plane 51, coating mouth 10.
According to the coating device for the textile fabric, the flow path of the feed liquid can be prolonged and the flow speed can be reduced through the design of the first guide plate 11 and the second guide plate 12, so that the pressure fluctuation of the coating opening 10 can be reduced, and the coating uniformity can be improved; through the design of the first protruding part 13 and the second protruding part 14, the liquid can be effectively collided, so that air bubbles in the liquid can be restrained/reduced, and the coating effect is improved.
Further, a third side plate 6 is connected to the outer side of the second side plate 5, a gas channel 15 is formed between the second side plate 5 and the third side plate 6, a gas outlet 16 is formed at the end of the gas channel 15, the gas outlet 16 is located at the bottom end of the coating die head 1, the second side plate 5 is made of a high thermal conductivity material, and the gas outlet 16 is used for pre-drying the coating layer.
In the present invention, the gas passage 15 is formed between the second side plate 5 and the third side plate 6, and the second side plate 5 is made of a material having high thermal conductivity, so that a part of the temperature of the coating material liquid can be transferred to the gas passage 15, and the gas in the gas passage 15 has a certain temperature rise (a small temperature rise) without affecting the fluidity of the coating material liquid, thereby improving the pre-drying effect of the coating layer.
Further, the bottom end of the coating die head 1 is provided with a pre-uniform thickness structure 17, the pre-uniform thickness structure 17 is located between the coating port 10 and the gas outlet 16, the pre-uniform thickness structure 17 comprises a first concave portion 18, a third convex portion 19 and a second concave portion 20 which are connected in sequence, and the cross section of the first concave portion 18, the cross section of the third convex portion 19 and the cross section of the second concave portion 20 are in a substantially triangular structure.
According to the coating device for the textile fabric, the pre-uniform thickness structure 17 is designed, so that the effects of pre-uniform thickness and pre-scraping thickness of the coating material liquid can be achieved, and the uniformity of the coating thickness can be improved.
As shown in fig. 2, a height H1 exists between the top end of the first concave portion 18 and the cloth W, a height H2 exists between the bottom end of the third convex portion 19 and the cloth W, a height H3 exists between the bottom end of the pre-uniform thickness structure 17 and the cloth W, and H1, H2 and H3 are different, and H1 > H2 > H3. Preferably, H1 ═ (1.3-1.5) H2, H1 ═ 1.6-1.8) H3. According to the invention, through the design of the pre-uniform thickness structure 17, the coating liquid can be more effectively pre-uniformly thick and pre-uniformly thick, so that the uniformity of the coating thickness can be further improved.
The height H4 is arranged between the bottom end of the gas outlet 16 and the cloth W, and H4 is more than H1; the gas outlet 16 is arranged obliquely with respect to the cloth W at an angle a of 60-80 °.
The outer side of the third side plate 6 is connected with a scraper 3 through a connecting plate, and the scraper 3 is used for controlling the thickness of the final coating layer.
The coating device for the textile fabric has the following beneficial technical effects:
(1) the first guide plate 11 and the second guide plate 12 are designed to prolong the flow path of the feed liquid and slow down the flow speed, so that the pressure fluctuation of the coating opening 10 can be reduced, and the coating uniformity can be improved; through the design of the first protruding part 13 and the second protruding part 14, the liquid can be effectively collided, so that air bubbles in the liquid can be restrained/reduced, and the coating effect is improved.
(2) By forming the gas passage 15 between the second side plate 5 and the third side plate 6, and forming the second side plate 5 of a material having high thermal conductivity, it is possible to transmit a part of the temperature of the coating liquid to the gas passage 15, and the gas in the gas passage 15 has a certain temperature rise (a small temperature rise) without affecting the fluidity of the coating liquid, and it is possible to improve the effect of pre-drying the coating layer.
(3) According to the coating device for the textile fabric, the pre-uniform thickness structure 17 is designed, so that the effects of pre-uniform thickness and pre-scraping thickness of the coating material liquid can be achieved, and the uniformity of the coating thickness can be improved.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a coating device of textile fabric, it includes coating die head (1), conveying roller (2), scraper (3), the coating die head sets up in the top of the cloth (W) of horizontal arrangement, the cloth moves under the drive of a plurality of conveying rollers, one side of coating die head is connected with the scraper, the coating die head is rectangular structure of rectangular form generally, the coating die head includes first curb plate (4), second curb plate (5), roof (7), storage cavity (8), inlet pipe (9), coating mouth (10), first curb plate, the second curb plate, constitute the storage cavity between the roof, be connected with the inlet pipe on the roof, the inboard of second curb plate has inclined plane (51), the coating mouth sets up in the bottom of coating die head and is located the lower extreme on inclined plane, its characterized in that: coating mouth (10) sets up in the left side of coating die head, the inlet pipe sets up in the right side of coating die head, be provided with first guide board (11) in the storage cavity, second guide board (12), first guide board, the second guide board sets up for cloth (W) slope, the second guide board sets up in the below of first guide board, position department on the medial surface of first curb plate and neighbouring first guide board downstream end is provided with a plurality of first bellyings (13), position department on inclined plane (51) and neighbouring second guide board downstream end is provided with a plurality of second bellyings (14), the feed liquid flows through first guide board (11) in proper order, first bellyings (13), second guide board (12), second bellyings (14), inclined plane (51), coating mouth (10).
2. A coating apparatus for textile fabrics according to claim 1, characterized in that the third side plate (6) is connected to the outside of the second side plate (5), a gas channel (15) is formed between the second side plate and the third side plate, the gas channel has a gas outlet (16) at the end, the gas outlet is located at the bottom end of the coating die head (1), the second side plate is made of a material with high thermal conductivity, and the gas outlet is used for pre-drying the coating layer.
3. A coating apparatus for textile fabrics according to claim 2, wherein the bottom end of the coating die head (1) is provided with a pre-leveling structure (17) between the coating opening (10) and the gas outlet (16), the pre-leveling structure comprises a first recess (18), a third protrusion (19) and a second recess (20) which are connected in sequence, and the cross section of the first recess, the third protrusion and the second recess is of a substantially triangular structure.
4. A textile cloth coating apparatus as claimed in claim 3, wherein a height H1 is provided between the top end of the first recess (18) and the cloth (W), a height H2 is provided between the bottom end of the third protrusion (19) and the cloth, a height H3 is provided between the bottom end of the pre-leveling structure (17) and the cloth, H1, H2, H3 are different, and H1 > H2 > H3.
5. A device for coating a textile fabric according to claim 4, wherein the height H1 ═ (1.3-1.5) H2, H1 ═ 1.6-1.8) H3.
6. A textile cloth coating apparatus as claimed in claim 5, wherein the gas outlet (16) has a height H4 between the bottom end and the cloth (W), H4 > H1; the gas outlet is arranged obliquely relative to the cloth, and the inclination angle a is 60-80 degrees.
7. A textile cloth coating apparatus as in claim 6, wherein the third side plate (6) is connected on its outer side by a connecting plate with a doctor blade (3) for controlling the final coating thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210755940.6A CN115069496B (en) | 2022-06-29 | 2022-06-29 | Coating device for textile fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210755940.6A CN115069496B (en) | 2022-06-29 | 2022-06-29 | Coating device for textile fabric |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115069496A true CN115069496A (en) | 2022-09-20 |
| CN115069496B CN115069496B (en) | 2023-08-25 |
Family
ID=83255699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210755940.6A Active CN115069496B (en) | 2022-06-29 | 2022-06-29 | Coating device for textile fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115069496B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115669997A (en) * | 2022-11-21 | 2023-02-03 | 江西中烟工业有限责任公司 | Tipping paper gluing device for cigarette rolling and connecting unit |
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| CN103372520A (en) * | 2012-04-17 | 2013-10-30 | 富士胶片株式会社 | Coating apparatus and method of manufacturing coated film |
| CN108393234A (en) * | 2018-05-01 | 2018-08-14 | 赵浩浩 | A kind of coating hair style substrate surface apparatus for coating |
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| CN115669997B (en) * | 2022-11-21 | 2023-08-22 | 江西中烟工业有限责任公司 | Tipping paper gluing device for cigarette rolling and connecting unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115069496B (en) | 2023-08-25 |
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Denomination of invention: A coating device for textile fabrics Effective date of registration: 20231204 Granted publication date: 20230825 Pledgee: Gongqing Rural Commercial Bank branch of Limited by Share Ltd. Dean Pledgor: Jiangxi Magnesium Qi Industrial Co.,Ltd. Registration number: Y2023980069389 |