CN108166266B - Fabric coating process - Google Patents
Fabric coating process Download PDFInfo
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- CN108166266B CN108166266B CN201711464470.3A CN201711464470A CN108166266B CN 108166266 B CN108166266 B CN 108166266B CN 201711464470 A CN201711464470 A CN 201711464470A CN 108166266 B CN108166266 B CN 108166266B
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- base cloth
- roller
- cleaning
- cleaning tank
- transfer paper
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- 239000004744 fabric Substances 0.000 title claims abstract description 109
- 238000000576 coating method Methods 0.000 title claims abstract description 38
- 238000004140 cleaning Methods 0.000 claims abstract description 103
- 239000011248 coating agent Substances 0.000 claims abstract description 48
- 238000001035 drying Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 239000010445 mica Substances 0.000 claims description 19
- 229910052618 mica group Inorganic materials 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 10
- -1 polysiloxane Polymers 0.000 claims description 9
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 8
- 239000011118 polyvinyl acetate Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 13
- 239000006255 coating slurry Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 206010016334 Feeling hot Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/142—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer
- D06N3/144—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer with polyurethane and polymerisation products, e.g. acrylics, PVC
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Coating Apparatus (AREA)
Abstract
The invention belongs to a technology for coating liquid or other fluids on the surface of an object, and particularly relates to a fabric coating process, which comprises the following steps: step one, preparing coating agent; step two, preparing a coating agent; step three, transferring the paper coating; step four, leveling the base cloth; step five, transferring the coating; step six, cleaning the upper roller; step seven, drying; and step eight, receiving materials. The scheme can effectively prevent the base cloth from wrinkling in the coating process.
Description
Technical Field
The invention belongs to a technology for coating liquid or other fluids on the surface of an object, and particularly relates to a fabric coating process.
Background
The coating is also called coating, and refers to a finishing technology of uniformly coating one or more layers of high molecular compounds on the surface of the fabric and forming one or more layers of thin films on the surface of the fabric through adhesion. The fabric aims to improve the hand feeling, appearance and style of the fabric, and adds a plurality of new functions to the fabric, such as wind resistance, water resistance, moisture permeability, down resistance, flame retardance, light shading and the like.
The traditional coating method is mostly direct coating, that is, the coating agent is diluted by solvent or water according to the required concentration, necessary medicament and coloring agent are added to prepare coating slurry, the coating slurry is uniformly coated on the base cloth by a coater, and then the base cloth is dried and baked to evaporate the solvent or the water to form a tough film on the base cloth. When the method is used, in order to ensure that the coating slurry is uniformly coated on the base cloth, tension rollers are often needed to straighten the two ends of the base cloth.
However, with the development of textile technology, this method is not suitable for some emerging fabrics, especially for some fabrics which are light, thin, loose-weave and sensitive to tension, such as gauze, plush, knitted fabrics, etc., because the tension easily damages or deforms the fabrics. In order to solve the problem, a transfer film forming method is emerging at present; coating the coating slurry on transfer paper or metal belt pretreated by organic silicon, then superposing the base cloth and the transfer paper face to face, rolling and pressing to transfer the base cloth, cooling, and separating the transfer paper from the processed fabric.
However, the conventional transfer film formation method has certain problems: when the base cloth and the transfer paper are rolled by the rolling roller, the base cloth is easy to wrinkle, one reason for the phenomenon is that the roller surface of the rolling roller is not smooth enough, particularly when some fabrics easy to lose hair are processed, the fluff carried by the fabrics is easy to stick on the surface of the rolling roller when the rolling roller rolls, so that the accumulation is increased, the roughness of the surface of the rolling roller is increased, and the wrinkling phenomenon is more obvious.
Disclosure of Invention
The invention aims to provide a fabric coating process which can effectively prevent a base fabric from wrinkling in the coating process.
In order to achieve the purpose, the invention provides the following technical scheme: the fabric coating process comprises the following steps:
step one, coating agent preparation: weighing 100 parts of water, 100-150 parts of polysiloxane, 10-15 parts of polyurethane, 5-10 parts of polyvinyl acetate, 1-5 parts of accelerator and 5-8 parts of mica sheets in parts by weight;
step two, preparing a coating agent: grinding the mica sheets into mica powder; placing the water, the polysiloxane, the polyurethane, the polyvinyl acetate and the accelerator in the step one into a reaction kettle, stirring for 5-8 min under the action of a spiral stirring rod, adding the mica powder, and continuously stirring for 15-20 min to obtain a coating agent;
step three, transferring the paper coating: uniformly coating the coating agent in the second step on the upper surface of the transfer paper by using a floating knife;
step four, leveling the base cloth: conveying the base cloth and the transfer paper in the third step by using a feeding roller respectively, overlapping the base cloth on the upper surface of the transfer paper, and then leveling the surface of the base cloth by using a steel ball capable of moving back and forth, wherein the moving direction of the steel ball is vertical to the moving direction of the base cloth;
step five, transferring the coating: rolling the upper surface of the base cloth by using an upper roller, supporting the lower surface of the transfer paper by using a lower roller, transferring the coating agent on the transfer paper to the lower surface of the base cloth by extrusion between the upper roller and the lower roller, wherein the rotating speeds of the upper roller and the lower roller are equal;
step six, cleaning the upper roller: a rotary drum is arranged beside the upper roller, a cleaning piece for cleaning the surface of the upper roller is rotatably connected to the rotary drum, and a reset piece is arranged on the cleaning piece and the rotary drum; starting the rotating drum when the upper roller starts to rotate in the step five, so that the cleaning piece cleans the upper roller;
step seven, drying: conveying the base cloth and the transfer paper in the fifth step to an oven for drying;
step eight, receiving materials: and respectively rolling the dried base cloth and the transfer paper by using a material receiving roller to obtain the coated base cloth.
The beneficial effects of the above technical scheme are that:
1. through the formula and the preparation method of the coating agent, the prepared fabric has the characteristics of good soft hand feeling, air permeability, wear resistance and the like, and has good heat dissipation, so that people can wear the fabric with the wool and the like without feeling hot even in summer, and the softness of the wool and the like fabric is experienced. The coating agent in the scheme can be well attached to the transfer paper and can be well transferred to the base cloth under the extrusion action of the upper roller and the lower roller in the subsequent coating transfer process.
2. Through letting the steel ball carry out round trip movement on the base cloth surface, can reach the effect of flattening with the fold on base cloth surface for the base cloth just is smoothed before entering step five and overlapping, gluing with the transfer paper, can effectively avoid the base cloth fold to appear when carrying to last roller, thereby effectively prevents that the base cloth coating from crumpling.
3. Through letting the surface of roller under the cleaning of cleaning piece under the rotary drum rotation effect, can effectively clear away foreign matter such as the batting on roller surface to avoid the increase to go up the condition of the frictional force between roller and the base cloth, guarantee to go up the roller and be in the smooth state all the time, further prevent that the base cloth from overlapping with the transfer paper, bind the in-process and crumple.
4. Through letting the rotational speed of going up roller and lower roll unanimous, can avoid taking place the condition of displacement between base cloth and the transfer paper because of going up roller lower roll rotational speed difference and bring, base cloth and transfer paper coincide effect between them better.
5. The scheme is combined from three aspects of flattening the base cloth before bonding the base cloth and the transfer paper, keeping the rotating speeds of the upper roller and the lower roller consistent in the bonding process, and cleaning the upper roller bonded with the base cloth in real time so as to reduce the friction between the upper roller and the base cloth, and the effect of preventing the base cloth from being wrinkled is obvious.
And in the first preferred scheme, as a preferred scheme of the basic scheme, the mica powder in the second step is filtered by a filter screen of 150-200 meshes. The mica powder can be better fused in the coating agent, and the heat dissipation effect is more uniform.
And a second preferred scheme, namely a preferred scheme of the basic scheme, wherein a sponge layer is fixed on the cleaning piece in the sixth step, a cleaning tank is installed below the rotary drum, the cleaning tank comprises an upper cleaning tank and a lower cleaning tank, the upper cleaning tank is used for extruding the sponge layer, the lower cleaning tank is used for cleaning the sponge layer, and the upper cleaning tank is communicated with the lower cleaning tank. Therefore, the sponge layer for cleaning the upper roller can be cleaned when rotating to the lower-layer cleaning tank and is extruded in the upper-layer cleaning tank, so that redundant cleaning liquid in the sponge layer is extruded to the lower-layer cleaning tank, and the sponge layer is prevented from bringing excessive cleaning liquid to the surface of the upper roller; the cleaning effect is good.
Preferably, the distance between the inner wall of the upper-layer cleaning tank and the rotary drum is 2-3 cm smaller than the length of the cleaning piece, and the distance between the bottom of the lower-layer cleaning tank and the rotary drum is 2-4 cm larger than the length of the cleaning piece. When the cleaning piece rotates to the lower-layer cleaning tank, the cleaning piece recovers to the original state, the sponge layer absorbs water, foreign matters on the surface of the cleaning piece are cleaned in water, then when the cleaning piece continues to rotate to the inner wall of the upper-layer cleaning tank, the cleaning piece rotates due to the limited length, extrusion is generated between the sponge layer and the upper-layer cleaning tank, and the cleaning liquid in the sponge layer is squeezed; the effect of cleaning the sponge layer is automatically realized, and the manual cleaning process is avoided.
And a fourth preferred scheme, wherein the extrusion force of the upper roller and the lower roller to the base cloth in the fifth step is 10-12N. The extrusion force can ensure that the coating agent on the transfer paper is well transferred to the base cloth, and secondary damage to the base cloth and the transfer paper can not be caused.
Preferably, in the fifth step, as a preferred embodiment of the fourth step, the drying temperature in the seventh step is 50-70 ℃. Such temperatures allow better evaporation of the water from the coating agent.
Drawings
FIG. 1 is a schematic flow chart of a fabric coating process of example 1 of the present invention;
FIG. 2 is a schematic view of a mounting structure of a steel ball;
FIG. 3 is a perspective view of a cleaning element;
FIG. 4 is a schematic view of a cleaning tank;
fig. 5 is a schematic structural diagram of the transmission mechanism.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a rack 1, base cloth 10, transfer paper 11, a base cloth feeding roller 2, a transfer paper feeding roller 20, an oven 3, a base cloth receiving roller 40, a transfer paper receiving roller 41, a steel ball 5, a pressure spring 50, a cam 51, a connecting rod 52, a rotating shaft 53, an upper roller 6, a lower roller 60, a rotating drum 7, a cleaning piece 70, a sponge layer 71, a cleaning tank 8, an upper cleaning tank 80, a lower cleaning tank 81, an upper roller gear 9, a lower roller gear 90, a rotating drum gear 91, a driving bevel gear 92 and a driven bevel gear 93.
Example 1
The fabric coating process comprises the following steps:
step one, coating agent preparation: 100kg of water, 100kg of polysiloxane, 10kg of polyurethane, 5kg of polyvinyl acetate, 1kg of accelerator and 5kg of mica sheet were weighed by mass.
Step two, preparing a coating agent: grinding mica sheets into mica powder, and filtering with a 150-mesh filter screen; and (3) placing the water, the polysiloxane, the polyurethane, the polyvinyl acetate and the accelerator in the step one into a reaction kettle, stirring for 5min under the action of a spiral stirring rod, adding the mica powder, and continuously stirring for 15min to obtain the coating agent.
Step three, transferring the paper coating: and (5) uniformly coating the coating agent in the step two on the upper surface of the transfer paper by using a floating knife.
Step four, leveling the base cloth: as shown in fig. 1, the base cloth and the transfer paper in the third step are respectively conveyed by a base cloth feeding roller and a transfer paper feeding roller, the base cloth is overlapped on the upper surface of the transfer paper, then the surface of the base cloth is leveled by a steel ball capable of reciprocating, and the moving direction of the steel ball is vertical to the moving direction of the base cloth; as shown in FIG. 2, a compression spring 50 and a cam 51 for intermittently striking the steel ball 5 are provided on both sides of the steel ball 5. The number of the steel balls 5 is not less than two, in this embodiment five, and a fixing frame is connected between the steel balls 5. The fixing frame comprises a connecting rod 52 and five rotating shafts 53; one rotating shaft 53 corresponds to one steel ball 5, one end of the rotating shaft 53 is rotatably connected with the steel ball 5, and the other end of the rotating shaft 53 is rotatably connected with the connecting rod 52. Thus, the five steel balls 5 can roll on the surface of the base cloth 10 together, and the base cloth 10 is better smoothed. The pressure spring 50 is positioned at the right end of the steel ball 5, the right end of the pressure spring 50 is connected with the rack 1, and the left end of the pressure spring is welded with the steel ball 5 at the leftmost end. Thus, after the cam 51 strikes the steel ball 5, the steel ball 5 slides rightwards, the pressure spring 50 deforms, the steel ball 5 slides leftwards, and the cycle is repeated, so that the base cloth 10 can be leveled to the maximum extent.
Step five, transferring the coating: rolling the upper surface of the base cloth by using an upper roller, supporting the lower surface of the transfer paper by using a lower roller, transferring the coating agent on the transfer paper to the lower surface of the base cloth by extrusion between the upper roller and the lower roller, wherein the rotating speeds of the upper roller and the lower roller are equal; and the extrusion force of the upper roller and the lower roller to the base cloth is 10N.
Step six, cleaning the upper roller: a rotating cylinder is arranged beside the upper roller, the specific structure is as shown in fig. 1, the rotating cylinder 7 is rotatably connected with the frame 1, a cleaning piece 70 used for cleaning the surface of the upper roller 6 is rotatably connected on the rotating cylinder 7, a reset piece is connected between the cleaning piece 70 and the rotating cylinder 7, and the reset piece is also a pressure spring in the embodiment. As shown in fig. 3, the cleaning member 70 has a structure in which a sponge layer 71 is adhered to an end of the cleaning member 70, so that the fur on the surface of the upper roller 6 can be better adsorbed, and the cleaning effect is better. The distance from the drum 7 to the upper roller 6 is smaller than the length of the cleaning member 70, so that when the cleaning member 70 is rotated counterclockwise to be in contact with the upper roller 6, the cleaning member 70 is rotated and abuts against the upper roller 6, and the sponge layer 71 scrapes off the foreign matter on the upper roller 6.
A cleaning tank 8 can be arranged below the rotary drum 7, and the cleaning tank 8 is fixed on the frame 1; as shown in fig. 4, the cleaning tank 8 includes an upper cleaning tank 80 for squeezing the sponge layer 71 and a lower cleaning tank 81 for cleaning the sponge layer 71, the upper cleaning tank 80 and the lower cleaning tank 81 are communicated, and the lower cleaning tank 81 can be loaded with clean water for cleaning the sponge layer 71. The distance between the inner wall of the upper cleaning tank and the rotary drum is 2cm smaller than the length of the cleaning piece, so that when the cleaning piece rotates to the upper cleaning tank 80, the cleaning piece can rotate, and the sponge layer 71 is extruded on the inner wall of the upper cleaning tank 80; the distance between lower floor's washing tank bottom to the rotary drum is 2cm than the length of cleaning piece is big, like this, when cleaning piece anticlockwise rotation arrives lower floor's washing tank 81, the reconversion promptly, sponge layer 71 absorbs water, the foreign matter on its surface is washd to the aquatic, then when cleaning piece continues to rotate to the upper washing tank 80 inner wall on right side, the cleaning piece rotates again, sponge layer 71 is crowded futilely, and like this, sponge layer 71 just can continue to rotate with clean state, in order to roll 6 surfaces on the cleanness, the cleaning performance is more excellent.
In order to reduce the manual operation steps in the fourth step, the fifth step and the sixth step; a transmission mechanism can be further arranged on the frame 1; as shown in fig. 5, the transmission mechanism includes a motor, an upper roller gear 9, a lower roller gear 90, a drum gear 91, a drive bevel gear 92, and a driven bevel gear 93, which is a structure seen from the rear view direction of fig. 1. An output shaft of the motor is fixedly connected with a rotary drum gear 91, and the rotary drum gear 91 is fixedly connected with the rotary drum 7, so that the rotary drum 7 is driven to rotate; the drum gear 91 is meshed with the upper roller gear 9, the upper roller gear 9 is meshed with the lower roller gear 90, the diameters of the upper roller gear 9 and the lower roller gear 90 are equal, the upper roller gear 9 is fixedly connected with the upper roller 6, and the lower roller gear 90 is fixedly connected with the lower roller 60, so that the rotating speeds of the upper roller 6 and the lower roller 60 are consistent, the situation that displacement occurs between the base cloth 10 and the transfer paper 11 due to the difference of the rotating speeds of the lower roller 60 of the upper roller 6 can be avoided, and the overlapping effect of the base cloth 10 and the transfer paper 11 is better; the drive bevel gear 92 is fixedly connected with the upper roller gear 9, the drive bevel gear 92 is engaged with the driven bevel gear 93, and the driven bevel gear 93 is fixedly connected with the cam 51. Thus, only one motor needs to be started, so that the steel balls 5 can be moved to smooth the base cloth 10, the upper roller 6 and the lower roller 60 can be rotated to adhere the base cloth 10 and the transfer paper 11, and the rotary drum 7 can be rotated to clean the upper roller 6.
The concrete operation process of each component is that after the motor is started, the motor drives the rotary drum gear 91 to rotate, the rotary drum 7 rotates, meanwhile, the upper roller gear 9 and the lower roller gear 90 rotate, the upper roller 6 and the lower roller 60 rotate along with the rotation, the driving bevel gear 92 and the driven bevel gear 93 also rotate, and the cam 51 rotates, so that the steel ball 5 is hit intermittently. The steel ball 5 moves back and forth between the cam 51 and the pressure spring 50, so that the base cloth 10 is smoothed, and the effect of preventing the base cloth 10 from wrinkling is achieved. Then the base cloth 10 and the transfer paper 11 enter between the upper roller 6 and the lower roller 60, and are extruded and bonded by the upper roller 6 and the lower roller 60, so that the coating pulp on the transfer paper 11 is transferred to the base cloth 10; in the rotating process of the upper roller 6, the rotating drum 7 rotates, the cleaning piece pair rotates along with the rotating drum, and the sponge layer 71 on the cleaning piece achieves the purpose of cleaning the upper roller 6; meanwhile, the cleaning piece can enter the lower cleaning groove 81 to be automatically cleaned in the rotating process, so that the sponge layer 71 abutting against the upper roller 6 is ensured to be clean every time, and the cleaning effect is better; therefore, the situation that the friction force between the upper roller 6 and the base cloth 10 is increased due to foreign matters such as flocks on the surface of the upper roller 6 can be effectively avoided, the upper roller 6 is guaranteed to be always in a smooth state, the base cloth 10 is further prevented from being wrinkled, and the coating effect is better.
Step seven, drying: conveying the base cloth and the transfer paper in the fifth step to an oven for drying, wherein the drying temperature is 50 ℃;
step eight, receiving materials: and respectively rolling the dried base cloth and the dried transfer paper by using a base cloth receiving roller 40 and a transfer paper receiving roller 41 to obtain the coated base cloth.
Example 2
This example differs from example 1 in that:
in the first step, coating agent preparation: 100kg of water, 150kg of polysiloxane, 15kg of polyurethane, 10kg of polyvinyl acetate, 5kg of accelerator and 8kg of mica sheet were weighed by mass.
In the second step, the coating agent is prepared: grinding mica sheets into mica powder, and filtering with a 200-mesh filter screen; and (3) placing the water, the polysiloxane, the polyurethane, the polyvinyl acetate and the accelerator in the step one into a reaction kettle, stirring for 8min under the action of a spiral stirring rod, adding the mica powder, and continuously stirring for 20min to obtain the coating agent.
And in the fifth step, the extrusion force of the upper roller and the lower roller to the base cloth is 12N.
In the seventh step, the drying temperature is 70 ℃.
The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The fabric coating process is characterized by comprising the following steps:
step one, coating agent preparation: weighing 100 parts of water, 100-150 parts of polysiloxane, 10-15 parts of polyurethane, 5-10 parts of polyvinyl acetate, 1-5 parts of accelerator and 5-8 parts of mica sheets in parts by weight;
step two, preparing a coating agent: grinding the mica sheets into mica powder; placing the water, the polysiloxane, the polyurethane, the polyvinyl acetate and the accelerator in the step one into a reaction kettle, stirring for 5-8 min under the action of a spiral stirring rod, adding the mica powder, and continuously stirring for 15-20 min to obtain a coating agent;
step three, transferring the paper coating: uniformly coating the coating agent in the second step on the upper surface of the transfer paper by using a floating knife;
step four, leveling the base cloth: conveying the base cloth and the transfer paper in the third step by using a feeding roller respectively, overlapping the base cloth on the upper surface of the transfer paper, and then leveling the surface of the base cloth by using a steel ball capable of moving back and forth, wherein the moving direction of the steel ball is vertical to the moving direction of the base cloth;
step five, transferring the coating: rolling the upper surface of the base cloth by using an upper roller, supporting the lower surface of the transfer paper by using a lower roller, transferring the coating agent on the transfer paper to the lower surface of the base cloth by extrusion between the upper roller and the lower roller, wherein the rotating speeds of the upper roller and the lower roller are equal;
step six, cleaning the upper roller: a rotary drum is arranged beside the upper roller, a cleaning piece for cleaning the surface of the upper roller is rotatably connected to the rotary drum, and a reset piece is arranged between the cleaning piece and the rotary drum; starting the rotating drum when the upper roller starts to rotate in the step five, so that the cleaning piece cleans the upper roller;
step seven, drying: conveying the base cloth and the transfer paper in the fifth step to an oven for drying;
step eight, receiving materials: and respectively rolling the dried base cloth and the transfer paper by using a material receiving roller to obtain the coated base cloth.
2. The fabric coating process according to claim 1, characterized in that: and filtering the mica powder in the second step by using a filter screen of 150-200 meshes.
3. The fabric coating process according to claim 1, characterized in that: and fixing a sponge layer on the cleaning piece in the sixth step, and installing a cleaning tank below the rotary drum, wherein the cleaning tank comprises an upper cleaning tank and a lower cleaning tank, the upper cleaning tank is used for extruding the sponge layer, the lower cleaning tank is used for cleaning the sponge layer, and the upper cleaning tank is communicated with the lower cleaning tank.
4. The fabric coating process according to claim 3, characterized in that: the distance between the inner wall of the upper cleaning tank and the rotary drum is 2-3 cm smaller than the length of the cleaning piece, and the distance between the bottom of the lower cleaning tank and the rotary drum is 2-4 cm larger than the length of the cleaning piece.
5. The facecoat process of claim 2 or 4, characterized in that: and fifthly, the extrusion force of the upper roller and the lower roller to the base cloth is 10-12N.
6. The fabric coating process according to claim 5, characterized in that: and the drying temperature in the seventh step is 50-70 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464470.3A CN108166266B (en) | 2017-12-28 | 2017-12-28 | Fabric coating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464470.3A CN108166266B (en) | 2017-12-28 | 2017-12-28 | Fabric coating process |
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| CN108797137B (en) * | 2018-07-04 | 2019-09-27 | 汉能移动能源控股集团有限公司 | Window cloth and preparation method and application thereof |
| CN109622293B (en) * | 2018-12-10 | 2021-03-12 | 威尔尼装饰材料(江苏)有限公司 | Elastic bass fabric processing device and method |
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Effective date of registration: 20231122 Address after: 721000 West Street, Guo Town, Chencang District, Baoji City, Shaanxi Province (4th floor of ICBC) Patentee after: Baoji Dadi Textile Co.,Ltd. Address before: 15-7, 55 Xinghai South Road, high tech Zone, Ningbo, Zhejiang 315000 Patentee before: NINGBO HIGH-TECH ZONE SHENGWENTU TEXTILE CO.,LTD. |