CN217598070U - Solvent-free three-in-one compound equipment based on double-sided coating of middle layer - Google Patents
Solvent-free three-in-one compound equipment based on double-sided coating of middle layer Download PDFInfo
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- CN217598070U CN217598070U CN202220585035.6U CN202220585035U CN217598070U CN 217598070 U CN217598070 U CN 217598070U CN 202220585035 U CN202220585035 U CN 202220585035U CN 217598070 U CN217598070 U CN 217598070U
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Abstract
The utility model provides a three-in-one compound equipment of solvent-free based on two-sided coating in intermediate level, intermediate level substrate material book unreels at first unit of unreeling, top layer substrate material book and inlayer substrate material book unreel the unit and unreel the unit at the second respectively with the third, intermediate level substrate gets into first coating unit and carries out the front rubber coating and outer substrate or inlayer substrate carry out the first time complex in first complex unit and form double-deck complex film, double-deck complex film gets into second coating unit, second coating unit carries out the rubber coating to the reverse side of double-deck complex film, outer substrate or inlayer substrate carry out the second time complex with double-deck complex film in second complex unit and form the two-sided coated three-layer composite film of intermediate level substrate. The utility model discloses can be suitable for the two-sided rubber coating's of intermediate level substrate trinity composite technology.
Description
Technical Field
The utility model relates to a no solvent multiple unit, especially a no three-in-one multiple unit of solvent based on two-sided coating in intermediate level.
Background
The three-in-one compounding without solvent is one-step compounding process with three layers of base material, and has the advantages of high production efficiency, high yield, capacity of avoiding the demerits of some double-layer compounding process, etc. and is applied widely. The common solvent-free three-in-one composite process adopts twice gluing and respectively coats the surfaces of two substrates to complete the composite, but in different practical fields, the surface layer and the inner layer of a three-layer composite structure can not be glued or the gluing effect is not good, and in order to complete the three-layer composite structure, a process which can adopt two sides of the middle layer to glue is required to be developed.
Disclosure of Invention
The utility model aims to solve the technical problem that a solvent-free trinity combination equipment based on the two-sided coating in intermediate level is provided, solve current three-in-one solvent-free combination equipment and can't be at the compound problem of intermediate level substrate two sides rubber coating.
In order to solve the technical problem, the technical scheme of the utility model is that: a solvent-free three-in-one compounding device based on middle layer double-sided coating is characterized in that a middle layer base material roll is unreeled in a first unreeling unit and enters a first section of material belt path, a surface layer base material roll and an inner layer base material roll are unreeled in a second unreeling unit and a third unreeling unit respectively and enter a second section of material belt path and a third section of material belt path, the middle layer base material enters a first coating unit along the first section of material belt path to be subjected to front gluing and then enters a fourth section of material belt path, the surface layer base material or the inner layer base material guided by the second section of material belt path and the middle layer base material guided by the fourth section of material belt path are subjected to first compounding in the first compounding unit to form a double-layer composite film, the double-layer composite film enters a second coating unit through a fifth section of material belt path, the second coating unit is used for gluing the middle layer base material of the double-layer composite film and enters a sixth section of material belt path, the surface layer base material or the inner layer base material guided by the third section of material belt path and the double-layer composite film guided by the sixth section of material belt path are subjected to second compounding in the second compounding unit to form a double-layer composite film, and then enter a seventh compounding unit along the third section of rolling unit.
As an improvement, the solvent-free three-in-one composite equipment based on double-sided coating of the middle layer comprises a rack, wherein a first unit, a second unit, a third unit and a fourth unit are arranged below the rack from left to right in parallel; a third unwinding unit is arranged on the left side of the first unit; the left and the right of the lower part of the second unit are respectively provided with a winding unit and a second unwinding unit, and the upper left of the second unit is provided with a second composite unit; a first coating unit is arranged on the left lower side of the third unit, a first composite unit is arranged on the left upper side of the third unit, and a first unreeling unit is arranged on the right lower side of the third unit; a second coating unit is arranged on the right side of the fourth unit; the first section of material belt path is located between a first unreeling unit and a first coating unit of a third unit, the second section of material belt path is located between a second unreeling unit of the second unit and a first composite unit of the third unit, the third section of material belt path is located between a third unreeling unit of the first unit and a second composite unit of the second unit, the fourth section of material belt path is located between a first coating unit and a first composite unit of the third unit, the fifth section of material belt path is located between the first composite unit of the third unit and a second coating unit of the fourth unit, the sixth section of material belt path is located between the second coating unit of the fourth unit and the second composite unit of the second unit, and the seventh section of material belt path is located between the second composite unit and a reeling unit of the second unit.
As an improvement, the solvent-free three-in-one composite equipment based on double-sided coating of the middle layer comprises a rack, wherein a first unit, a second unit, a third unit and a fourth unit are arranged below the rack from left to right in parallel; the winding unit is arranged on the left side of the first unit, and the second unwinding unit is arranged on the right side of the first unit; a first coating unit is arranged on the lower left side of the second unit, a first composite unit is arranged on the upper left side of the second unit, and a first unreeling unit is arranged on the lower right side of the second unit; a second coating unit is arranged on the lower right side of the third unit, and a second composite unit is arranged on the upper right side of the third unit; a third unwinding unit is arranged on the right side of the fourth unit; the first section of material belt path is located between a first unreeling unit and a first coating unit of the second unit, the second section of material belt path is located between a second unreeling unit of the first unit and a first composite unit of the second unit, the third section of material belt path is located between a third unreeling unit of the fourth unit and a second composite unit of the third unit, the fourth section of material belt path is located between a first coating unit and a first composite unit of the second unit, the fifth section of material belt path is located between the first composite unit of the second unit and a second coating unit of the third unit, the sixth section of material belt path is located between the second coating unit and a second composite unit of the third unit, and the seventh material belt path is located between the second composite unit of the third unit and a reeling unit of the first unit.
As an improvement, the solvent-free three-in-one composite equipment based on double-sided coating of the middle layer comprises a rack, wherein a first unit, a second unit and a third unit are arranged in parallel from left to right below the rack; a third unwinding unit is arranged on the left side of the first unit; the left side and the right side of the lower part of the second unit are respectively provided with a winding unit and a second unwinding unit, and the upper left side of the second unit is provided with a second composite unit; a first coating unit is arranged on the left lower side of the third unit, a first composite unit is arranged on the left upper side of the third unit, a first unreeling unit is arranged on the right lower side of the third unit, and a second coating unit is arranged on the right upper side of the third unit; the first section of material belt path is located between a first unreeling unit and a first coating unit of a third unit, the second section of material belt path is located between a second unreeling unit and a first composite unit of the second unit, the third section of material belt path is located between a third unreeling unit and a second composite unit of the second unit, the fourth section of material belt path is located between a first coating unit and a first composite unit of the third unit, the fifth section of material belt path is located between the first composite unit and the second coating unit of the third unit, the sixth section of material belt path is located between the second coating unit and the second composite unit of the second unit, and the seventh section of material belt path is located between the second composite unit and a reeling unit of the second unit.
As an improvement, the solvent-free three-in-one composite equipment based on double-sided coating of the middle layer comprises a rack, wherein a first unit, a second unit and a third unit are arranged in parallel from left to right below the rack; a third unwinding unit is arranged on the left side of the first unit; the left and the right of the lower part of the second unit are respectively provided with a winding unit and a second unwinding unit, and the upper left of the second unit is provided with a second composite unit; a first coating unit is arranged in the middle of the left side of the third unit, a first composite unit is arranged above the left side of the third unit, a first unreeling unit is arranged below the left side of the third unit, and a second coating unit is arranged on the right side of the third unit; the first section of material belt path is located between a first unreeling unit and a first coating unit of a third unit, the second section of material belt path is located between a second unreeling unit and a first composite unit of the second unit, the third section of material belt path is located between a third unreeling unit and a second composite unit of the second unit, the fourth section of material belt path is located between a first coating unit and a first composite unit of the third unit, the fifth section of material belt path is located between the first composite unit and the second coating unit of the third unit, the sixth section of material belt path is located between the second coating unit and the second composite unit of the second unit, and the seventh section of material belt path is located between the second composite unit and a reeling unit of the second unit.
As a refinement, the first coating unit and the second coating unit are both solvent-free coating units.
As an improvement, a base material belt tension sensing assembly is arranged in each of the first section of material belt path, the second section of material belt path, the third section of material belt path, the fourth section of material belt path, the fifth section of material belt path, the sixth section of material belt path and the seventh section of material belt path.
Compared with the prior art, the utility model the beneficial effect who brings is:
1) The application range of the solvent-free three-in-one composite process to the substrate is increased, so that the solvent-free composite of some composite structures which can not use the surface substrate for gluing becomes possible. For example: the problem that the structure (transfer film/aluminum foil/transfer film) is compounded by a solvent-free method is solved in the tobacco bale industry; the problem that the structure (wire drawing film/PET/PE) is compounded by a solvent-free method is solved in the special field of betel nut packaging;
2) The technological adaptability to partial three-layer composite structures, such as common structures of BOPP (PET)/paper/PE, is improved, and due to the sensitivity of the PE base material to the temperature of the adhesive, the limitation to the adhesive can be avoided by adopting the scheme;
3) When the scheme is used in small and medium orders or small and medium production scales, the high-position unreeling type three-in-one compound machine (suitable for mass production) can be complemented.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Fig. 2 is a schematic diagram of a four-unit type short winding route.
FIG. 3 is a schematic diagram of a four-unit short compound path model.
Fig. 4 is a schematic diagram of a three-unit type external unwinding machine.
Fig. 5 is a schematic diagram of a three-unit type internal unwinding machine type.
Detailed Description
The present invention will be further explained with reference to the drawings.
As shown in fig. 1, a solvent-free three-in-one composite apparatus based on middle layer double-sided coating is provided, wherein a middle layer base material roll is unreeled in a first unreeling unit and enters a first section material belt path, a surface layer base material roll and an inner layer base material roll are unreeled in a second unreeling unit and a third unreeling unit respectively and enter a second section material belt path and a third section material belt path, the middle layer base material enters a first coating unit along the first section material belt path and is subjected to front gluing, and then enters a fourth section material belt path, the surface layer base material or the inner layer base material guided by the second section material belt path and the middle layer base material guided by the fourth section material belt path are subjected to first compounding in the first compounding unit to form a double-layer composite film, the double-layer composite film enters a second coating unit through a fifth section material belt path, the second coating unit is subjected to back gluing and enters a sixth section material belt path, the surface layer base material or the inner layer base material guided by the third section material belt path and the double-layer composite film guided by the sixth section material belt path are subjected to second compounding in the second compounding unit to form a middle layer composite film, and then the three-layer composite film is wound along a seventh section material belt path, and finally wound.
The solvent-free three-in-one composite equipment of the following several examples can be adopted to complete the double-sided gluing composite process of the middle layer substrate:
example 1
As shown in fig. 2, a four-unit type short winding path machine type has a first unit 1, a second unit 2, a third unit 3 and a fourth unit 4 arranged in parallel from left to right below a frame 13; a third unreeling unit 7 is arranged on the left side of the first unit 1; the left and the right of the lower part of the second unit 2 are respectively provided with a rolling unit 8 and a second unreeling unit 6, and the upper left is provided with a second compound unit 12; a first coating unit 9 is arranged on the lower left of the third unit 3, a first composite unit 10 is arranged on the upper left, and a first unreeling unit 5 is arranged on the lower right; the second coating unit 11 is disposed at the right side of the fourth bank. The material belt path of the machine type is as follows: a first section of tape path 14 is located between the first unwinding unit 5 and the first coating unit 9 of the third unit 3, a second section of tape path 15 is located between the second unwinding unit 6 of the second unit 2 and the first compounding unit 10 of the third unit, a third section of tape path 16 is located between the third unwinding unit 7 of the first unit 1 and the second compounding unit 12 of the second unit, a fourth section of tape path 17 is located between the first coating unit 9 and the first compounding unit 10 of the third unit 3, a fifth section of tape path 18 is located between the first compounding unit 10 of the third unit 3 and the second coating unit 11 of the fourth unit 4, a sixth section of tape path 19 is located between the second coating unit 11 of the fourth unit 4 and the second compounding unit 12 of the second unit 2, and a seventh section of tape path 20 is located between the second compounding unit 12 and the winding unit 8 of the second unit 2.
Example 2
As shown in fig. 3, a four-unit type short compound path machine type has a first unit 2, a second unit 3, a third unit 4 and a fourth unit 1 arranged in parallel from left to right below a frame 13; the winding unit 8 is arranged on the left side of the first unit 2, and the second unwinding unit 6 is arranged on the right side; a first coating unit 9 is arranged on the lower left of the second unit 3, a first composite unit 10 is arranged on the upper left, and a first unreeling unit 5 is arranged on the lower right; a second coating unit 11 is arranged at the lower right of the third unit 4, and a second composite unit 12 is arranged at the upper right; and a third unreeling unit 7 is arranged on the right side of the fourth unit 1. The material belt path of the machine type is as follows: a first section of tape path 14 is located between the first unwinding unit 5 and the first coating unit 9 of the second unit 3, a second section of tape path 15 is located between the second unwinding unit 6 of the first unit 2 and the first compounding unit 10 of the second unit 3, a third section of tape path 16 is located between the third unwinding unit 7 of the fourth unit 1 and the second compounding unit 12 of the third unit 4, a fourth section of tape path 17 is located between the first coating unit 9 and the first compounding unit 10 of the second unit 3, a fifth section of tape path 18 is located between the first compounding unit 10 of the second unit 3 and the second coating unit 11 of the third unit 4, a sixth section of tape path 19 is located between the second coating unit 11 and the second compounding unit 12 of the third unit 4, and a seventh section of tape path 20 is located between the second compounding unit 12 of the third unit and the winding unit 8 of the first unit 2.
Example 3
As shown in fig. 4, a three-unit type external unwinding machine type includes a first unit 1, a second unit 2, and a third unit 33 arranged in parallel from left to right below a frame 13; a third unreeling unit 7 is arranged on the left side of the first unit 1; the left and the right of the lower part of the second unit 2 are respectively provided with a winding unit 8 and a second unwinding unit 6, and the left upper part of the lower part of the second unit is provided with a second composite unit 12; the first coating unit 9 is arranged on the lower left of the third unit 33, the first composite unit 10 is arranged on the upper left, the first unreeling unit 5 is arranged on the lower right, and the second coating unit 11 is arranged on the upper right. The material belt path of the machine type is as follows: the first section of tape path 14 is located between the first unwinding unit 5 and the first coating unit 9 of the third unit 33, the second section of tape path 15 is located between the second unwinding unit 6 of the second unit 2 and the first compounding unit 10 of the third unit 33, the third section of tape path 16 is located between the third unwinding unit 7 of the first unit 1 and the second compounding unit 12 of the second unit 2, the fourth section of tape path 17 is located between the first coating unit 9 and the first compounding unit 10 of the third unit 33, the fifth section of tape path 18 is located between the first compounding unit 10 and the second coating unit 11 of the third unit 33, the sixth section of tape path 19 is located between the second coating unit 11 of the third unit 33 and the second compounding unit 12 of the second unit 2, and the seventh section of tape path 20 is located between the second compounding unit 12 and the winding unit 8 of the second unit 2.
Example 4
As shown in fig. 5, the three-unit type internal unwinding machine type has a first unit 1, a second unit 2, and a third unit 34 arranged in parallel from left to right below the frame 13; a third unreeling unit 7 is arranged on the left side of the first unit 1; the left and the right of the lower part of the second unit 2 are respectively provided with a winding unit 8 and a second unwinding unit 6, and the left upper part of the lower part of the second unit is provided with a second composite unit 12; the first coating unit 9 is arranged in the middle of the left side of the third unit 34, the first composite unit 10 is arranged on the upper left side, the first unreeling unit 5 is arranged on the lower left side, and the second coating unit 11 is arranged on the right side. The material belt path of the machine type is as follows: the first section of tape path 14 is located between the first unwinding unit 5 and the first coating unit 9 of the third unit 34, the second section of tape path 15 is located between the second unwinding unit 6 of the second unit 2 and the first compounding unit 10 of the third unit 34, the third section of tape path 16 is located between the third unwinding unit 7 of the first unit 1 and the second compounding unit 12 of the second unit 2, the fourth section of tape path 17 is located between the first coating unit 9 and the first compounding unit 10 of the third unit 34, the fifth section of tape path 18 is located between the first compounding unit 10 and the second coating unit 11 of the third unit 34, the sixth section of tape path 19 is located between the second coating unit 11 of the third unit 34 and the second compounding unit 12 of the second unit 2, and the seventh section of tape path 20 is located between the second compounding unit 12 and the winding unit 8 of the second unit 2.
In each machine of the above embodiments, the first section of material belt path, the second section of material belt path, the third section of material belt path, the fourth section of material belt path, the fifth section of material belt path, the sixth section of material belt path, and the seventh section of material belt path are all provided with the base material belt tension sensing components 21, 22, 23, 24, 25, 26, 27. The base material belt tension sensing component and the PLC act together to control the belt tension of each section of the path. The tension sensing type is a floating roller type or a fixed roller type, and is determined according to a composite structure and a path distance, and a fixed roller type such as a common pillow type tension sensor type is generally adopted for a rigid substrate, a path with small tension change or a path with a long path or a path with large tension change, and a floating roller type tension sensing type is adopted for a path with a long path or a path with large tension change.
In each of the above models, an adjusting roller assembly 28, 29, 30, 31 is added to the tape path when the tape enters the coating unit or the compounding unit, so as to eliminate the tape wrinkles and make the unit work better. The first coating unit and the second coating unit are both solvent-free coating units.
The above models are compared with each other: compared with a three-unit, the four-unit type feeding machine has the advantages that the length of the machine is large, the integration level of each unit is low, the feeding path is simple, and the operability is good; the three units are relatively four units, the integration level is high, and the length of the machine is small. Compared with a four-set type short composite route machine type, the four-set type short winding route machine type has the advantages that after the four-set type short winding route machine type is subjected to secondary composite, the winding route is shortest, and the product winding quality is easy to guarantee; compared with the former, the second unreeling path is short before secondary compounding. Compared with a three-unit type internal unwinding machine type, the three-unit type external unwinding machine type has the advantages that the first unwinding operation is convenient, and the second coating operation has better observability.
Claims (6)
1. The utility model provides a trinity equipment complex of no solvent based on two-sided coating in intermediate level which characterized in that: the middle layer base material roll is unreeled in a first unreeling unit and enters a first section of material belt path, the surface layer base material roll and the inner layer base material roll are unreeled in a second unreeling unit and a third unreeling unit respectively and enter a second section of material belt path and a third section of material belt path, the middle layer base material roll enters a first coating unit along the first section of material belt path for front gluing and then enters a fourth section of material belt path, the surface layer base material or the inner layer base material guided by the second section of material belt path and the middle layer base material guided by the fourth section of material belt path are firstly compounded in the first compounding unit to form a double-layer composite film, the double-layer composite film enters a second coating unit through the fifth section of material belt path, the second coating unit is used for gluing the back side of the middle layer base material of the double-layer composite film and enters a sixth section of material belt path, the surface layer base material or the inner layer base material guided by the third section of material belt path and the double-layer composite film guided by the sixth section of material belt path are secondly compounded in the second compounding unit to form a double-layer composite film, and the third layer composite film enters a reeling unit along the seventh section of material belt path to complete reeling; the solvent-free three-in-one composite equipment comprises a rack, wherein a first unit, a second unit, a third unit and a fourth unit are arranged below the rack from left to right in parallel; a third unwinding unit is arranged on the left side of the first unit; the left side and the right side of the lower part of the second unit are respectively provided with a winding unit and a second unwinding unit, and the upper left side of the second unit is provided with a second composite unit; a first coating unit is arranged on the left lower side of the third unit, a first composite unit is arranged on the left upper side of the third unit, and a first unreeling unit is arranged on the right lower side of the third unit; a second coating unit is arranged on the right side of the fourth unit; the first section of material belt path is located between a first unreeling unit and a first coating unit of a third unit, the second section of material belt path is located between a second unreeling unit of the second unit and a first composite unit of the third unit, the third section of material belt path is located between a third unreeling unit of the first unit and a second composite unit of the second unit, the fourth section of material belt path is located between a first coating unit and a first composite unit of the third unit, the fifth section of material belt path is located between the first composite unit of the third unit and a second coating unit of the fourth unit, the sixth section of material belt path is located between the second coating unit of the fourth unit and the second composite unit of the second unit, and the seventh section of material belt path is located between the second composite unit and a reeling unit of the second unit.
2. The utility model provides a three-in-one compound equipment of no solvent based on two-sided coating of intermediate level which characterized in that: the middle layer base material roll is unreeled in a first unreeling unit and enters a first section of material belt path, the surface layer base material roll and the inner layer base material roll are unreeled in a second unreeling unit and a third unreeling unit respectively and enter a second section of material belt path and a third section of material belt path, the middle layer base material roll enters a first coating unit along the first section of material belt path for front gluing and then enters a fourth section of material belt path, the surface layer base material or the inner layer base material guided by the second section of material belt path and the middle layer base material guided by the fourth section of material belt path are firstly compounded in the first compounding unit to form a double-layer composite film, the double-layer composite film enters a second coating unit through the fifth section of material belt path, the second coating unit is used for gluing the back side of the middle layer base material of the double-layer composite film and enters a sixth section of material belt path, the surface layer base material or the inner layer base material guided by the third section of material belt path and the double-layer composite film guided by the sixth section of material belt path are secondly compounded in the second compounding unit to form a double-layer composite film, and the third layer composite film enters a reeling unit along the seventh section of material belt path to complete reeling; the solvent-free three-in-one compound equipment comprises a rack, wherein a first unit, a second unit, a third unit and a fourth unit are arranged below the rack from left to right in parallel; the winding unit is arranged on the left side of the first unit, and the second unwinding unit is arranged on the right side of the first unit; a first coating unit is arranged on the left lower side of the second unit, a first composite unit is arranged on the left upper side of the second unit, and a first unreeling unit is arranged on the right lower side of the second unit; a second coating unit is arranged on the lower right of the third unit, and a second composite unit is arranged on the upper right of the third unit; a third unwinding unit is arranged on the right side of the fourth unit; the first section of material belt path is located between a first unreeling unit and a first coating unit of the second unit, the second section of material belt path is located between a second unreeling unit of the first unit and a first composite unit of the second unit, the third section of material belt path is located between a third unreeling unit of the fourth unit and a second composite unit of the third unit, the fourth section of material belt path is located between a first coating unit and a first composite unit of the second unit, the fifth section of material belt path is located between the first composite unit of the second unit and a second coating unit of the third unit, the sixth section of material belt path is located between the second coating unit and a second composite unit of the third unit, and the seventh material belt path is located between the second composite unit of the third unit and a reeling unit of the first unit.
3. The utility model provides a trinity equipment complex of no solvent based on two-sided coating in intermediate level which characterized in that: the middle layer base material roll is unreeled in a first unreeling unit and enters a first section of material belt path, the surface layer base material roll and the inner layer base material roll are unreeled in a second unreeling unit and a third unreeling unit respectively and enter a second section of material belt path and a third section of material belt path, the middle layer base material enters a first coating unit along the first section of material belt path to be coated on the front side and then enters a fourth section of material belt path, the surface layer base material or the inner layer base material guided by the second section of material belt path and the middle layer base material guided by the fourth section of material belt path are compounded for the first time in the first compounding unit to form a double-layer composite film, the double-layer composite film enters a second coating unit through the fifth section of material belt path, the second coating unit is coated on the back side of the middle layer base material of the double-layer composite film and enters a sixth section of material belt path, the surface layer base material or the inner layer base material guided by the third section of material belt path and the double-layer composite film guided by the sixth section of material belt path are compounded for the second time in the second compounding unit to form a three-layer composite film, and the third layer composite film enters a reeling unit along the seventh section of material belt path to complete reeling; the solvent-free three-in-one composite equipment comprises a rack, wherein a first unit, a second unit and a third unit are arranged in parallel from left to right below the rack; a third unwinding unit is arranged on the left side of the first unit; the left and the right of the lower part of the second unit are respectively provided with a winding unit and a second unwinding unit, and the upper left of the second unit is provided with a second composite unit; a first coating unit is arranged on the left lower side of the third unit, a first composite unit is arranged on the left upper side of the third unit, a first unreeling unit is arranged on the right lower side of the third unit, and a second coating unit is arranged on the right upper side of the third unit; the first section of material belt path is located between a first unreeling unit and a first coating unit of a third unit, the second section of material belt path is located between a second unreeling unit of the second unit and a first composite unit of the third unit, the third section of material belt path is located between a third unreeling unit of the first unit and a second composite unit of the second unit, the fourth section of material belt path is located between a first coating unit and a first composite unit of the third unit, the fifth section of material belt path is located between the first composite unit and the second coating unit of the third unit, the sixth section of material belt path is located between the second coating unit of the third unit and the second composite unit of the second unit, and the seventh section of material belt path is located between the second composite unit and a reeling unit of the second unit.
4. The utility model provides a trinity equipment complex of no solvent based on two-sided coating in intermediate level which characterized in that: the middle layer base material roll is unreeled in a first unreeling unit and enters a first section of material belt path, the surface layer base material roll and the inner layer base material roll are unreeled in a second unreeling unit and a third unreeling unit respectively and enter a second section of material belt path and a third section of material belt path, the middle layer base material enters a first coating unit along the first section of material belt path to be coated on the front side and then enters a fourth section of material belt path, the surface layer base material or the inner layer base material guided by the second section of material belt path and the middle layer base material guided by the fourth section of material belt path are compounded for the first time in the first compounding unit to form a double-layer composite film, the double-layer composite film enters a second coating unit through the fifth section of material belt path, the second coating unit is coated on the back side of the middle layer base material of the double-layer composite film and enters a sixth section of material belt path, the surface layer base material or the inner layer base material guided by the third section of material belt path and the double-layer composite film guided by the sixth section of material belt path are compounded for the second time in the second compounding unit to form a three-layer composite film, and the third layer composite film enters a reeling unit along the seventh section of material belt path to complete reeling; the solvent-free three-in-one composite equipment comprises a rack, wherein a first unit, a second unit and a third unit are arranged in parallel from left to right below the rack; a third unwinding unit is arranged on the left side of the first unit; the left and the right of the lower part of the second unit are respectively provided with a winding unit and a second unwinding unit, and the upper left of the second unit is provided with a second composite unit; a first coating unit is arranged in the middle of the left side of the third unit, a first composite unit is arranged above the left side of the third unit, a first unreeling unit is arranged below the left side of the third unit, and a second coating unit is arranged on the right side of the third unit; the first section of material belt path is located between a first unreeling unit and a first coating unit of a third unit, the second section of material belt path is located between a second unreeling unit of the second unit and a first composite unit of the third unit, the third section of material belt path is located between a third unreeling unit of the first unit and a second composite unit of the second unit, the fourth section of material belt path is located between a first coating unit and a first composite unit of the third unit, the fifth section of material belt path is located between the first composite unit and the second coating unit of the third unit, the sixth section of material belt path is located between the second coating unit of the third unit and the second composite unit of the second unit, and the seventh section of material belt path is located between the second composite unit and a reeling unit of the second unit.
5. The solvent-free three-in-one composite device based on double-sided coating of the middle layer as claimed in any one of claims 1 to 4, wherein: the first coating unit and the second coating unit are both solvent-free coating units.
6. The solvent-free three-in-one composite device based on double-sided coating of the middle layer as claimed in any one of claims 1 to 4, wherein: and base material belt tension sensing components are arranged in the first section of material belt path, the second section of material belt path, the third section of material belt path, the fourth section of material belt path, the fifth section of material belt path, the sixth section of material belt path and the seventh section of material belt path.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023173802A1 (en) * | 2022-03-17 | 2023-09-21 | 广州通泽机械有限公司 | Solvent-free three-in-one laminating device based on double-sided coating of intermediate layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023173802A1 (en) * | 2022-03-17 | 2023-09-21 | 广州通泽机械有限公司 | Solvent-free three-in-one laminating device based on double-sided coating of intermediate layer |
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