CN115350861B - Hot melt adhesive powder point coating device for lining cloth and coating method thereof - Google Patents
Hot melt adhesive powder point coating device for lining cloth and coating method thereof Download PDFInfo
- Publication number
- CN115350861B CN115350861B CN202210848768.9A CN202210848768A CN115350861B CN 115350861 B CN115350861 B CN 115350861B CN 202210848768 A CN202210848768 A CN 202210848768A CN 115350861 B CN115350861 B CN 115350861B
- Authority
- CN
- China
- Prior art keywords
- slurry
- coating
- roller
- lining cloth
- assembly
- 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.)
- Active
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 100
- 239000000843 powder Substances 0.000 title claims abstract description 88
- 239000004831 Hot glue Substances 0.000 title claims abstract description 56
- 238000000576 coating method Methods 0.000 title claims abstract description 36
- 239000011248 coating agent Substances 0.000 title claims abstract description 28
- 239000002002 slurry Substances 0.000 claims abstract description 150
- 238000007581 slurry coating method Methods 0.000 claims abstract description 70
- 238000001035 drying Methods 0.000 claims abstract description 37
- 238000005507 spraying Methods 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000007493 shaping process Methods 0.000 claims abstract description 26
- 238000007761 roller coating Methods 0.000 claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000007667 floating Methods 0.000 claims description 4
- 239000006255 coating slurry Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/10—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the liquid or other fluent material being supplied from inside the roller
-
- 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
-
- 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
- B05C11/1007—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
- B05C11/1013—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 responsive to flow or pressure of liquid or other fluent material
-
- 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
- B05C19/00—Apparatus specially adapted for applying particulate materials to surfaces
- B05C19/04—Apparatus specially adapted for applying particulate materials to surfaces the particulate material being projected, poured or allowed to flow onto the surface of the work
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to a hot melt adhesive powder point coating device for lining cloth and a coating method thereof, comprising a transmission assembly, a slurry roller coating assembly, a hot melt adhesive powder spraying assembly and a drying and shaping assembly, wherein the lining cloth is transmitted to the slurry roller coating assembly through the transmission assembly to carry out slurry roller coating, then the hot melt adhesive powder spraying assembly is used for realizing the surface spraying of the hot melt adhesive powder, and finally the drying and shaping assembly is used for realizing the surface drying and shaping of the lining cloth; the slurry roller coating assembly comprises a slurry coating roller and a driving motor for driving the slurry coating roller to rotate circumferentially, a guide roller is arranged right below the slurry coating roller, a slurry opening and closing group is arranged at the position of the slurry conveying pipe towards the slurry hole, and when the slurry opening and closing group blocks the communication between the slurry conveying pipe and the slurry hole, the inside of the slurry conveying pipe is in a vacuum state. The invention has the following advantages: the method can realize the effective control of the slurry coating point type, ensure the uniformity of the slurry coating and ensure the uniform bonding strength of the powder point coating.
Description
Technical Field
The invention belongs to the field of lining cloth, and particularly relates to a hot melt adhesive powder point coating device for lining cloth.
Background
Along with the diversification of clothing fabrics, some fabrics are subjected to surface coating treatment, so that a layer of evenly covered adhesive film is formed on the surface of the fabrics, corresponding functions such as wind prevention, water prevention, light transmission prevention and the like are achieved, most of coated fabrics are difficult to adhere to lining cloth when the clothing is processed, and the adhesive use requirements of the coated fabrics can be met only by the lining cloth base cloth through a double-point coating process. The double-point coating is to form a round-point slurry coating on the surface of the lining base cloth, then to spread hot melt adhesive powder on the slurry coating to form a secondary coating, and to form the double-point clothing lining cloth after sintering and drying.
However, when the existing slurry coating roller is used, a plurality of round mesh roller bodies are usually adopted to coat the roller on the surface of the lining cloth, so that the slurry coating is formed on the surface of the lining cloth, however, if the diameters of the holes of the round mesh are small, the slurry outlet amount of slurry on the lining cloth can be influenced to a certain extent, so that the bonding strength of the lining cloth is influenced, and if the diameters of the holes of the round mesh are large, the dot type of the slurry coating formed by the slurry coating roller and the guide roller in a pressing mode can not be controlled, so that the uniformity of the slurry coating can not be ensured, and the diameters of the holes of the round mesh are large, the slurry is easy to absorb moisture in the air, so that molecular particles in the slurry are agglomerated, and the uniformity of the slurry coating can be influenced.
Disclosure of Invention
The invention aims to overcome the defects, and provides a hot melt adhesive powder point coating device for lining cloth and a coating method thereof, which can realize the effective control of slurry coating points, ensure the uniformity of slurry coating and ensure the uniform adhesive strength of powder point coating.
The aim of the invention is achieved by the following technical scheme: the hot melt adhesive powder point coating device for the lining cloth comprises a transmission assembly, a slurry roller coating assembly, a hot melt adhesive powder spraying assembly and a drying and shaping assembly, wherein the lining cloth is transmitted to the slurry roller coating assembly through the transmission assembly to carry out slurry roller coating, then the hot melt adhesive powder spraying assembly is used for realizing hot melt adhesive powder surface spraying, and finally the drying and shaping assembly is used for realizing lining cloth surface drying and shaping, and the hot melt adhesive powder point coating device further comprises a control unit electrically connected with the transmission assembly, the slurry roller coating assembly, the hot melt adhesive powder spraying assembly and the drying and shaping assembly;
The slurry roller coating assembly comprises a slurry coating roller and a driving motor for driving the slurry coating roller to circumferentially rotate, a guide roller is arranged right below the slurry coating roller, lining cloth penetrates through the slurry coating roller and the guide roller, the extending direction of the slurry coating roller is perpendicular to the conveying direction of the lining cloth, a slurry conveying pipe is arranged at the center inside the slurry coating roller, the slurry coating roller is hollow inside and the surface of the slurry coating roller is provided with a plurality of uniformly distributed slurry holes, a slurry opening and closing group is arranged at the position of the slurry conveying pipe, which faces the slurry holes, one end of the slurry conveying pipe protrudes out of the slurry coating roller and is movably connected with a communicating pipe through a bearing, one end of the communicating pipe is connected with a slurry cylinder, a valve and a vacuum pump are arranged on the communicating pipe, and when the slurry opening and closing group blocks the communication between the slurry conveying pipe and the slurry holes, the inside of the slurry conveying pipe is in a vacuum state;
The slurry opening and closing group comprises a connecting sleeve vertically connected with the slurry conveying pipe and an opening and closing block arranged in the connecting sleeve, the connecting sleeve is fixedly arranged between the outer wall of the slurry conveying pipe and the inner wall of the slurry coating roller and is communicated with the slurry conveying pipe and the slurry holes, the upper end of the opening and closing block is longitudinally connected with the outer wall of the slurry conveying pipe in a buffering mode through a spring, the opening and closing block comprises a hollow columnar part and a cone part with a solid structure, the lower side of the columnar part is provided with a plurality of flow holes, a cavity is arranged between the connecting sleeve and the flow holes, the cone part is of a conical structure with a wide upper part and a narrow lower part, and the outer side end of the cone part is matched with the lower end of the connecting sleeve; when the cone part is not subjected to longitudinal extrusion force, the spring is in a natural state, the outer side end of the cone part protrudes out of the corresponding slurry hole, the cone part and the connecting sleeve are sealed in an inclined plane fit mode, when the cone part is subjected to longitudinal extrusion force along with rotation of the slurry coating roller, the spring is in a compressed state, the cone part is displaced towards the slurry conveying pipe, at the moment, slurry in the slurry conveying pipe is discharged to the corresponding slurry hole through the flow hole and the cavity of the columnar part, and the slurry is rolled onto the surface of the lining cloth.
The invention further improves that: the lower end face of the cone part is provided with a concave body which is concave inwards, and the outer side end of the cone part is connected with a plurality of inclined overflow holes which are distributed in an equal circumference way towards the direction of the concave body.
The invention further improves that: the transmission assembly comprises a plurality of transmission rollers which are arranged in a staggered mode up and down in sequence and a traction roller which is arranged at the tail end of the drying and shaping assembly, and the lining cloth is sequentially wound on the transmission rollers, the guide rollers and the traction roller.
The invention further improves that: the hot melt adhesive powder spraying assembly comprises a powder spraying opening arranged above the lining cloth and a powder storage cabin arranged below the lining cloth, an exhaust fan is arranged in the powder storage cabin, an exhaust end of the exhaust fan extends towards the upper side of the lining cloth to form a powder suction pipe, the powder spraying opening sprays hot melt adhesive powder towards the upper surface of the lining cloth, and redundant surface floating powder passes through the lining cloth under the negative pressure effect of the exhaust fan and is arranged in the powder storage cabin.
The invention further improves that: the drying and shaping assembly comprises a plurality of drying boxes which are sequentially arranged, and the lining cloth horizontally sequentially passes through the plurality of drying boxes for surface drying and shaping.
A coating method of a hot melt adhesive powder point coating device for lining cloth comprises the following specific steps,
S1, a control unit sends a closing signal instruction to a valve, sends an opening signal instruction to a vacuum pump, enables the inside of a communicating pipe to be in a negative pressure state, and then sends a closing signal instruction to the vacuum pump and sends an opening signal instruction to the valve;
s2, the control unit sends an opening signal instruction to the transmission assembly, the lining cloth is transmitted to the direction of the slurry roller coating assembly for slurry roller coating under the transmission of the transmission assembly, and meanwhile, the control unit sends an opening signal instruction to the driving motor to enable the slurry roller coating to rotate and roll coating slurry to the lining cloth;
S3, when the slurry coating roller contacts with the lining cloth, the cone part of the slurry coating roller, which contacts with the lining cloth, is subjected to longitudinal extrusion force, the spring is in a compressed state to enable the cone part to move towards the direction of the slurry conveying pipe, at the moment, part of slurry in the slurry conveying pipe is discharged to the corresponding slurry hole through the circulation hole of the columnar part and the cavity, the slurry is roller-coated on the surface of the lining cloth, and the other part of slurry passes through the inclined overflow hole to the concave part along the outer wall of the cone part;
s4, conveying the lining cloth with the slurry coating to a hot melt adhesive powder spraying assembly, and spraying hot melt adhesive powder on the upper surface of the lining cloth from top to bottom and embedding the hot melt adhesive powder into the slurry coating;
S5, carrying out surface drying treatment on the lining cloth at the drying and shaping assembly after powder spraying is finished, and carrying out winding.
Compared with the prior art, the invention has the following advantages:
1. When the slurry coating roller and the guide roller rotate oppositely, the cone part of the opening and closing block in the slurry opening and closing group is pressed by the longitudinal extrusion force of the guide rail, so that the slurry in the slurry transmission pipe flows to the upper surface of the lining cloth, and the slurry opening and closing group which is not contacted with the guide roller is isolated from the communication of the slurry hole and the slurry transmission pipe under the action of the elasticity of the spring, thereby further avoiding the direct contact of the slurry and the air and ensuring the uniformity of the slurry coating.
2. The cone part adopted by the application is provided with the inclined overflow holes, one part of slurry passes through the flow holes and the cavities to the slurry holes and is coated on the surface of the lining cloth, and the other part of slurry flows downwards into the concave along with the guidance of the inclined overflow holes and is coated on the surface of the lining cloth, so that the concentric double-ring-shaped slurry coating is formed.
Drawings
FIG. 1 is a schematic view of a hot melt adhesive powder point coating apparatus for a backing according to the present invention.
Fig. 2 is a schematic view of a slurry roll coating assembly of a hot melt adhesive powder point coating apparatus for a liner according to the present invention.
Fig. 3 is an enlarged schematic view of the structure a in fig. 2.
Fig. 4 is a schematic structural view of the slurry opening and closing set in fig. 3 in a closed state.
FIG. 5 is a schematic illustration of the structure of a slurry coating according to the present invention.
Reference numerals in the drawings:
1-a transmission assembly, 2-a slurry roller coating assembly, 3-a hot melt adhesive powder spraying assembly, 4-a drying and shaping assembly and 5-lining cloth;
11-conveying rollers and 12-traction rollers;
21-slurry coating rollers, 22-driving motors, 23-guide rollers, 24-slurry transmission pipes, 25-slurry holes, 26-slurry opening and closing groups, 27-bearings, 28-communicating pipes, 29-slurry cylinders, 210-valves and 211-vacuum pumps; 261-connecting sleeve, 262-opening and closing block, 263-spring, 2621-column part, 2622-cone part, 2623-flow hole, 2624-cavity, 2625-concave body, 2626-oblique overflow hole and 2627-slurry coating;
31-powder spraying port, 32-exhaust fan, 33-powder storage cabin and 34-powder suction pipe;
41-drying box.
Detailed Description
The present invention will be further described in detail with reference to the following examples and drawings for the purpose of enhancing the understanding of the present invention, which examples are provided for the purpose of illustrating the present invention only and are not to be construed as limiting the scope of the present invention.
In the description of the present invention, it should be understood that the term "orientation" or "positional relationship" as used herein with respect to the orientation or positional relationship shown in the drawings is merely for convenience of description and to simplify the description, and does not indicate or imply that the structures or units referred to must have a particular orientation and therefore should not be construed as limiting the invention.
In the present invention, unless otherwise specifically defined and limited, terms such as "connected," "provided," and "having" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, directly connected, and connected via an intermediate medium, so that it is possible for those skilled in the art to understand the basic meaning of the terms in the present invention according to circumstances.
Referring to fig. 1, an embodiment of a hot melt adhesive powder point coating device for lining cloth according to the present invention includes a transmission assembly 1, a slurry roll coating assembly 2, a hot melt adhesive powder spraying assembly 3, and a drying and shaping assembly 4, wherein the lining cloth 5 is transmitted to the slurry roll coating assembly 2 through the transmission assembly 1 to perform slurry roll coating, then the hot melt adhesive powder spraying assembly 3 is used for spraying the surface of the hot melt adhesive powder, and finally the drying and shaping assembly 4 is used for drying and shaping the surface of the lining cloth 5, and further includes a control unit electrically connected with the transmission assembly 1, the slurry roll coating assembly 2, the hot melt adhesive powder spraying assembly 3, and the drying and shaping assembly 4;
As shown in fig. 2, the slurry roll coating assembly 2 comprises a slurry coating roll 21 and a driving motor 22 for driving the slurry coating roll 21 to rotate circumferentially, a guide roller 23 is arranged right below the slurry coating roll 21, a lining cloth 5 passes through the slurry coating roll 21 and the guide roller 23, the extending direction of the slurry coating roll 21 is perpendicular to the conveying direction of the lining cloth 5, a slurry conveying pipe 24 is arranged at the center inside the slurry coating roll 21, the slurry coating roll 21 is hollow, a plurality of slurry holes 25 are uniformly distributed on the surface of the slurry coating roll 21, a slurry opening and closing group 26 is arranged at the position of the slurry conveying pipe 24 towards the slurry holes 25, one end of the slurry conveying pipe 24 protrudes out of the slurry coating roll 21 and is movably connected with a communicating pipe 28 through a bearing 27, one end of the communicating pipe 28 is connected with a slurry cylinder 29, a valve 210 and a vacuum pump 211 are arranged on the communicating pipe 28, and when the slurry opening and closing group 26 blocks the communication between the slurry conveying pipe 24 and the slurry holes 25, the inside the slurry conveying pipe 24 is in a vacuum state;
As shown in fig. 3 and 4, the slurry opening and closing group 26 includes a connection sleeve 261 vertically connected with the slurry conveying pipe 24 and an opening and closing block 262 placed in the connection sleeve 261, the connection sleeve 261 is fixedly arranged between the outer wall of the slurry conveying pipe 24 and the inner wall of the slurry coating roller 21 and is communicated with the slurry conveying pipe 24 and the slurry hole 25, the upper end of the opening and closing block 262 and the outer wall of the slurry conveying pipe 24 are longitudinally connected in a buffer manner through a spring 263, the opening and closing block 262 includes a hollow columnar portion 2621 and a cone portion 2622 with a solid structure, the lower side of the columnar portion 2621 is provided with a plurality of circulation holes 2623, a cavity 2624 is arranged between the connection sleeve 261 and the circulation holes 2621, the cone portion 2622 is of a conical structure with a wide upper part and a narrow lower part, and the outer side end of the cone portion 2622 is matched with the lower end of the connection sleeve 261; when the cone portion 2622 is not subjected to the longitudinal pressing force, the spring 263 is in a natural state, so that the outer end of the cone portion 2622 protrudes out of the corresponding slurry hole 25, and the cone portion 2622 and the connecting sleeve 261 are sealed in an inclined plane fit, when the cone portion 2622 is subjected to the longitudinal pressing force along with the rotation of the slurry coating roller 21, the spring 263 is in a compressed state, so that the cone portion 2622 is displaced towards the slurry conveying pipe 24, and at the moment, the slurry in the slurry conveying pipe 24 is discharged to the corresponding slurry hole 25 through the flow hole 2623 of the columnar portion 2621 and the cavity 2624, so that the slurry is roller coated on the surface of the lining cloth 5.
The invention adopts a specific slurry opening and closing group structure, when the slurry coating roller 21 and the guide roller 23 do not rotate in opposite directions, the slurry is stored in the slurry transmission pipe 24 and isolated from the outside air, so that the slurry is prevented from being in contact with moisture in the air to cause aggregation in the slurry to influence the uniformity of slurry roller coating, when the slurry coating roller 21 and the guide roller 23 open center rotate in opposite directions, the cone 2622 of the opening and closing block 262 in the slurry opening and closing group 26, which is in contact with the guide rail 23, is extruded by the spring 263 under the longitudinal extrusion force of the guide rail 23, so that the slurry in the slurry transmission pipe 24 flows to the upper surface of the lining cloth 5, and the slurry opening and closing group 26, which is not in contact with the guide roller 23, is isolated from the communication of the slurry hole 25 and the slurry transmission pipe 24 under the elastic force of the spring 263, so that the slurry is further prevented from being in direct contact with the air, and the uniformity of the slurry coating is ensured.
Further, the lower end surface of the cone portion 2622 has a concave portion 2625 recessed inwards, and a plurality of equally circumferentially distributed inclined overflow holes 2626 are connected to the outer end of the cone portion 2622 towards the concave portion 2625.
The cone 2622 has oblique overflow holes 2626, one part of slurry passes through the flow holes 2623 and the cavity 2624 to the slurry holes 25 and is coated on the surface of the lining cloth 5, and the other part of slurry flows downwards into the concave 2625 along with the guidance of the oblique overflow holes 2626 and is coated on the surface of the lining cloth 5, so that a concentric double-ring-shaped slurry coating 2627 is formed.
Further, the conveying assembly 1 comprises a plurality of conveying rollers 11 and a traction roller 12, wherein the conveying rollers 11 are sequentially arranged in a staggered mode up and down, the traction roller 12 is arranged at the tail end of the drying and shaping assembly 4, and the lining cloth 5 is sequentially wound on the conveying rollers 11, the guide rollers 23 and the traction roller 12.
Further, the hot melt adhesive powder spraying assembly 3 comprises a powder spraying opening 31 arranged above the lining cloth 5 and a powder storage cabin 33 arranged below the lining cloth 5, an exhaust fan 32 is arranged in the powder storage cabin 33, a powder suction pipe 34 extends towards the upper side of the lining cloth 5 from the exhaust end of the exhaust fan 32, the hot melt adhesive powder is sprayed towards the upper surface of the lining cloth 5 from the powder spraying opening 31, and redundant surface floating powder passes through the lining cloth 5 under the negative pressure effect of the exhaust fan 32 and is arranged in the powder storage cabin 33.
In the application, the powder spraying port 31 uniformly sprays hot melt adhesive powder on the upper surface of the lining cloth 5, and redundant surface floating powder is sucked into the powder storage cabin 33 through the exhaust fan 32, so that waste of the hot melt adhesive powder is avoided, uniform coverage rate of the hot melt adhesive powder on the upper surface of the lining cloth 5 and the slurry coating 2627 is ensured, the exhaust fan 32 is arranged below the lining cloth 5, and the redundant hot melt adhesive powder and the lining cloth 5 are adsorbed again, so that full contact between the hot melt adhesive powder and the lining cloth 5 is further ensured.
Further, the drying and shaping assembly 4 comprises a plurality of drying boxes 41 which are sequentially arranged, and the lining cloth 5 horizontally sequentially passes through the plurality of drying boxes 41 for surface drying and shaping.
A coating method of a hot melt adhesive powder point coating device for lining cloth comprises the following specific steps,
S1, a control unit sends a closing signal instruction to a valve 210, and sends an opening signal instruction to a vacuum pump 211, so that the inside of a communicating pipe 28 is in a negative pressure state, and then sends a closing signal instruction to the vacuum pump 211, and sends an opening signal instruction to the valve 210;
S2, the control unit sends an opening signal instruction to the transmission assembly 1, the lining cloth 5 is transmitted to the direction of the slurry roller coating assembly 2 for performing slurry roller coating under the transmission of the transmission assembly 1, and meanwhile, the control unit sends an opening signal instruction to the driving motor 22 to enable the slurry roller coating 21 to rotate and roll coating slurry to the lining cloth 5;
S3, when the slurry coating roller 21 contacts with the lining cloth 5, the cone 2622 of the slurry coating roller 21 contacting with the lining cloth 5 receives a longitudinal extrusion force, the spring 263 is in a compressed state to enable the cone 2622 to move towards the slurry conveying pipe 24, at this time, a part of slurry in the slurry conveying pipe 24 is discharged to the corresponding slurry hole 25 through the flow hole 2623 of the columnar portion 2621 and the cavity 2624, the slurry is roller-coated on the surface of the lining cloth 5, and the other part of slurry passes through the inclined overflow hole 2626 to the concave 2625 along the outer wall of the cone 2622, as shown in FIG. 5;
s4, conveying the lining cloth 5 with the slurry coating 2627 to a hot melt adhesive powder spraying assembly 3, and spraying hot melt adhesive powder on the upper surface of the lining cloth 5 from top to bottom and embedding the hot melt adhesive powder in the slurry coating 2627;
S5, carrying out surface drying treatment on the lining cloth 5 after powder spraying is finished at the drying and shaping assembly 4, and carrying out winding.
It will be appreciated by persons skilled in the art that the invention is not limited to the embodiments described above, but is shown and described merely to illustrate the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A hot melt adhesive powder point coating device for lining cloth, its characterized in that: the hot melt adhesive powder spraying device comprises a transmission assembly, a slurry roller coating assembly, a hot melt adhesive powder spraying assembly and a drying and shaping assembly, wherein lining cloth is transmitted to the slurry roller coating assembly through the transmission assembly to carry out slurry roller coating, then hot melt adhesive powder is sprayed on the hot melt adhesive powder spraying assembly, finally the lining cloth is dried and shaped on the surface of the lining cloth, and the hot melt adhesive powder spraying device further comprises a control unit electrically connected with the transmission assembly, the slurry roller coating assembly, the hot melt adhesive powder spraying assembly and the drying and shaping assembly;
The slurry roller coating assembly comprises a slurry coating roller and a driving motor for driving the slurry coating roller to circumferentially rotate, a guide roller is arranged right below the slurry coating roller, the lining cloth penetrates through the slurry coating roller and the guide roller, the extending direction of the slurry coating roller is perpendicular to the conveying direction of the lining cloth, a slurry conveying pipe is arranged at the center inside the slurry coating roller, a plurality of slurry holes which are uniformly distributed are formed in the hollow inside the slurry coating roller and are formed in the surface of the slurry coating roller, a slurry opening and closing group is arranged at the position of the slurry conveying pipe, which faces the slurry holes, one end of the slurry conveying pipe protrudes out of the slurry coating roller and is movably connected with a communicating pipe through a bearing, one end of the communicating pipe is connected with a slurry cylinder, and a valve and a vacuum pump are arranged on the communicating pipe;
The slurry opening and closing group comprises a connecting sleeve vertically connected with a slurry conveying pipe and an opening and closing block arranged in the connecting sleeve, the connecting sleeve is fixedly arranged between the outer wall of the slurry conveying pipe and the inner wall of a slurry coating roller and is communicated with the slurry conveying pipe and a slurry hole, the upper end of the opening and closing block is longitudinally connected with the outer wall of the slurry conveying pipe in a buffering mode through a spring, the opening and closing block comprises a hollow columnar portion and a cone portion with a solid structure, a plurality of flow holes are formed in the lower side of the columnar portion, a cavity is formed between the connecting sleeve and the flow holes, the cone portion is of a conical structure with a wide upper part and a narrow lower part, and the outer side end of the cone portion is matched with the lower end of the connecting sleeve; when the cone part is not subjected to longitudinal extrusion force, the spring is in a natural state to enable the outer side end of the cone part to protrude out of the corresponding slurry hole, and the cone part and the connecting sleeve are sealed in an inclined plane fit manner; the lower end face of the cone part is provided with a concave body which is concave inwards, and the outer side end of the cone part is connected with a plurality of inclined overflow holes which are distributed in an equal circumference way towards the direction of the concave body.
2. A hot melt adhesive powder point coating apparatus for a backing according to claim 1, wherein: the conveying assembly comprises a plurality of conveying rollers and a traction roller, wherein the conveying rollers are sequentially arranged in a vertically staggered mode, the traction roller is arranged at the tail end of the drying and shaping assembly, and the lining cloth is sequentially wound on the conveying rollers, the guide rollers and the traction roller.
3. A hot melt adhesive powder point coating apparatus for a backing according to claim 2, wherein: the hot melt adhesive powder spraying assembly comprises a powder spraying port arranged above the lining cloth and a powder storage cabin arranged below the lining cloth, wherein an exhaust fan is arranged in the powder storage cabin, an exhaust end of the exhaust fan extends to the upper side of the lining cloth to form a powder suction pipe, the powder spraying port sprays hot melt adhesive powder to the upper surface of the lining cloth, and redundant surface floating powder passes through the lining cloth in the powder storage cabin under the negative pressure effect of the exhaust fan.
4. A hot melt adhesive powder point coating apparatus for a backing according to claim 3, wherein: the drying and shaping assembly comprises a plurality of drying boxes which are sequentially arranged, and the lining cloth horizontally sequentially passes through the plurality of drying boxes for surface drying and shaping.
5. A coating method using the hot melt adhesive powder point coating apparatus for backing cloth according to any one of claims 2 to 4, characterized in that: the specific steps include that,
S1, a control unit sends a closing signal instruction to a valve, sends an opening signal instruction to a vacuum pump, enables the inside of a communicating pipe to be in a negative pressure state, and then sends a closing signal instruction to the vacuum pump and sends an opening signal instruction to the valve;
s2, the control unit sends an opening signal instruction to the transmission assembly, the lining cloth is transmitted to the direction of the slurry roller coating assembly for slurry roller coating under the transmission of the transmission assembly, and meanwhile, the control unit sends an opening signal instruction to the driving motor to enable the slurry roller coating to rotate and roll coating slurry to the lining cloth;
S3, when the slurry coating roller contacts with the lining cloth, the cone part of the slurry coating roller, which contacts with the lining cloth, is subjected to longitudinal extrusion force, the spring is in a compressed state to enable the cone part to move towards the direction of the slurry conveying pipe, at the moment, part of slurry in the slurry conveying pipe is discharged to the corresponding slurry hole through the circulation hole of the columnar part and the cavity, the slurry is roller-coated on the surface of the lining cloth, and the other part of slurry passes through the inclined overflow hole to the concave part along the outer wall of the cone part;
s4, conveying the lining cloth with the slurry coating to a hot melt adhesive powder spraying assembly, and spraying hot melt adhesive powder on the upper surface of the lining cloth from top to bottom and embedding the hot melt adhesive powder into the slurry coating;
S5, carrying out surface drying treatment on the lining cloth at the drying and shaping assembly after powder spraying is finished, and carrying out winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210848768.9A CN115350861B (en) | 2022-07-19 | 2022-07-19 | Hot melt adhesive powder point coating device for lining cloth and coating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210848768.9A CN115350861B (en) | 2022-07-19 | 2022-07-19 | Hot melt adhesive powder point coating device for lining cloth and coating method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115350861A CN115350861A (en) | 2022-11-18 |
| CN115350861B true CN115350861B (en) | 2024-05-07 |
Family
ID=84032748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210848768.9A Active CN115350861B (en) | 2022-07-19 | 2022-07-19 | Hot melt adhesive powder point coating device for lining cloth and coating method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115350861B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117484625A (en) * | 2023-12-29 | 2024-02-02 | 山东熠阳工业技术有限公司 | Artificial board double-sided gluing device for loudspeaker box manufacturing |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB693722A (en) * | 1951-03-09 | 1953-07-08 | Fred Wilhelm Kucklinsky | Improvements in coating apparatus for wrapping and cartoning machines |
| CN1365862A (en) * | 2001-01-16 | 2002-08-28 | 库夫纳制衣有限公司 | Method and equipment for producing flexible cloth possessing hot melt adhesive coating layer applied by wire mesh |
| CN207056886U (en) * | 2017-03-31 | 2018-03-02 | 浙江工贸职业技术学院 | A kind of textile cloth paste applying device |
| CN107890970A (en) * | 2017-11-04 | 2018-04-10 | 舒城宏峰纸板有限公司 | A kind of carton board gluing, glue device |
| CN110903776A (en) * | 2019-12-07 | 2020-03-24 | 汪永超 | Pearl wool adhesive tape and processing equipment thereof |
| CN210647032U (en) * | 2019-09-13 | 2020-06-02 | 江西广厦包装印刷有限公司 | Lining paper coating machine for cigarette holder |
| CN210700864U (en) * | 2020-04-30 | 2020-06-09 | 临朐瑞星塑胶制品有限公司 | Gluing and rolling integrated machine for ethylene-propylene-diene monomer sealing strips |
| CN112519477A (en) * | 2020-11-27 | 2021-03-19 | 上海南朝印刷有限公司 | Gluing device and gluing process of paper pasting machine |
| CN213377507U (en) * | 2020-09-16 | 2021-06-08 | 嘉兴信艺防伪新材料有限公司 | Coating device for improving coating uniformity |
| CN114228167A (en) * | 2021-10-28 | 2022-03-25 | 海盐吉龙机械股份有限公司 | Compounding machine with rapid cutting mechanism for paper production |
-
2022
- 2022-07-19 CN CN202210848768.9A patent/CN115350861B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB693722A (en) * | 1951-03-09 | 1953-07-08 | Fred Wilhelm Kucklinsky | Improvements in coating apparatus for wrapping and cartoning machines |
| CN1365862A (en) * | 2001-01-16 | 2002-08-28 | 库夫纳制衣有限公司 | Method and equipment for producing flexible cloth possessing hot melt adhesive coating layer applied by wire mesh |
| CN207056886U (en) * | 2017-03-31 | 2018-03-02 | 浙江工贸职业技术学院 | A kind of textile cloth paste applying device |
| CN107890970A (en) * | 2017-11-04 | 2018-04-10 | 舒城宏峰纸板有限公司 | A kind of carton board gluing, glue device |
| CN210647032U (en) * | 2019-09-13 | 2020-06-02 | 江西广厦包装印刷有限公司 | Lining paper coating machine for cigarette holder |
| CN110903776A (en) * | 2019-12-07 | 2020-03-24 | 汪永超 | Pearl wool adhesive tape and processing equipment thereof |
| CN210700864U (en) * | 2020-04-30 | 2020-06-09 | 临朐瑞星塑胶制品有限公司 | Gluing and rolling integrated machine for ethylene-propylene-diene monomer sealing strips |
| CN213377507U (en) * | 2020-09-16 | 2021-06-08 | 嘉兴信艺防伪新材料有限公司 | Coating device for improving coating uniformity |
| CN112519477A (en) * | 2020-11-27 | 2021-03-19 | 上海南朝印刷有限公司 | Gluing device and gluing process of paper pasting machine |
| CN114228167A (en) * | 2021-10-28 | 2022-03-25 | 海盐吉龙机械股份有限公司 | Compounding machine with rapid cutting mechanism for paper production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115350861A (en) | 2022-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115350861B (en) | Hot melt adhesive powder point coating device for lining cloth and coating method thereof | |
| CN100526051C (en) | Method for manufacturing blades of large-scale wind driven generator | |
| JP7287980B2 (en) | Flocking method of spring surface | |
| CN205601332U (en) | Polaroid laminating device | |
| CN105268605A (en) | Painting method where roller coating is performed though roller and roller coating device | |
| CN108580073A (en) | A kind of gas collector and delivery pipe corrosion inhibiter coating device | |
| JPH0437656Y2 (en) | ||
| CN207772048U (en) | A kind of fixed rotating device of Ceramic manufacturing | |
| CN208810632U (en) | A kind of cable cleaning device | |
| CN110091878B (en) | Vacuum pipeline magnetic suspension train arrival platform vacuum maintaining system | |
| CN208839910U (en) | A kind of unicoater | |
| CN216972879U (en) | Air supporting roller type micro-concave coating device | |
| CN105935670A (en) | Suction disc cleaning device for unloading robot for glass substrate production, and method for cleaning suction discs | |
| CN105798034A (en) | Glass cleaning equipment | |
| CN108787338A (en) | A kind of unicoater | |
| CN205270018U (en) | Roller coating device that adoption roller carries out roller coating | |
| CN220601957U (en) | Vacuum adsorption liquid squeezing roller system | |
| CN105826616A (en) | Lead-acid battery smear acid rolling device capable of sucking diluted acid back under negative pressure | |
| CN217491450U (en) | Back coating equipment for one-way moisture-conducting fabric | |
| JPS6221321Y2 (en) | ||
| CN106824665A (en) | Film coating device and film coating method | |
| CN213855395U (en) | High-adhesion device for wood board coating | |
| CN209700077U (en) | A kind of outer surface finishing coat transfer apparatus of tail envelope aluminum pipe | |
| CN219405405U (en) | Ironing device for production and processing of precoated film | |
| CN114950846B (en) | Surface modification device for battery anode material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |