CN217373527U - Production line for hot-melt bonding of thermal insulation board by spraying hot melt adhesive on fiber-reinforced thermoplastic skin - Google Patents
Production line for hot-melt bonding of thermal insulation board by spraying hot melt adhesive on fiber-reinforced thermoplastic skin Download PDFInfo
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- CN217373527U CN217373527U CN202221047084.0U CN202221047084U CN217373527U CN 217373527 U CN217373527 U CN 217373527U CN 202221047084 U CN202221047084 U CN 202221047084U CN 217373527 U CN217373527 U CN 217373527U
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Abstract
The utility model relates to a production line of fibre reinforcement thermoplasticity covering spraying hot melt adhesive bonding heated board comprises continuous production facility, and continuous production facility includes the system of unreeling, the heating and cooling combined system and the cutting system that are used for placing the covering that connect gradually through conveyer, still includes hot melt adhesive spraying system and stone conveying system, and auxiliary material conveying system and the system of unreeling are placed in parallel, to the heating and cooling combined system conveying auxiliary material. The production line of the utility model can bond the fiber reinforced thermoplastic skin and the insulation board through the hot melt adhesive under a primary heating and cooling system, and the obtained insulation board integrates the advantages of high impact resistance, low weight, heat insulation and heat preservation of the insulation board and the like of the hot melt bonded fiber reinforced board; in the preparation process, the unreeling system, the hot melt adhesive spraying system, the paving and conveying system, the primary heating and cooling compound system and the cutting system are formed in one step, so that full-continuous production can be realized, the cost is greatly reduced, and the production efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of combined material, concretely relates to production line of fibre reinforcement thermoplasticity covering spraying hot melt adhesive hot melt bonding heated board.
Background
The requirements of industries such as cold chain transportation and related buildings on the heat insulation performance and the impact resistance of the heat insulation board are higher and higher, and in view of the fact that a heat insulation board with a fiber skin and foam bonding structure is available in the market, the heat insulation board has the performances of impact resistance, light weight, heat insulation and the like.
In recent years, with the rise of the hot-melt adhesive composite material industry, more and more fibers are combined with hot-melt adhesive resin to prepare new products, fiber-reinforced hot-melt adhesive products have high impact strength and better mechanical comprehensive performance, and simultaneously have the characteristics of light weight, environmental friendliness and recyclability.
In view of this, this patent is filed.
SUMMERY OF THE UTILITY MODEL
There is the defect such as production efficiency low to current glue bonding heated board, the utility model provides a production line of fibre reinforcing thermoplasticity covering spraying hot melt adhesive hot melt bonding heated board, its more environmental protection, and adopt the technology of continuous manufacturing, production efficiency doubles, and bonding material descends by a wide margin.
The utility model aims at providing a production line of fibre reinforcement thermoplasticity covering spraying hot melt adhesive hot melt bonding heated board.
According to the utility model discloses a production line of fibre reinforcement thermoplasticity covering spraying hot melt adhesive bonding heated board of embodiment, the production line of fibre reinforcement thermoplasticity covering spraying hot melt adhesive bonding heated board comprises continuous production facility, continuous production facility includes the unwinding system, once heat the cooling complex system and the cutting system that are used for placing the covering that connect gradually through conveyer, continuous production facility still includes hot melt adhesive spraying system and stone conveying system, and auxiliary material conveying system places with unwinding system is parallel, and auxiliary material conveying system conveys the auxiliary material to once heat the cooling complex system.
Furthermore, the unreeling system is a plurality of groups of air-expanding unreeling shafts, and each air-expanding unreeling shaft is provided with a raw material placing inlet.
Furthermore, the unreeling system is provided with at least 4 groups of air-expanding unreeling shafts.
Further, the paving conveying system is a paving platform with a conveying belt.
Furthermore, the primary heating and cooling composite system comprises a heating unit, a rolling unit and a cooling and shaping unit which are connected in sequence.
The heating unit melts the hot melt adhesive through electric heating or oil heating, the multilayer materials are pressed into a whole through the pressing of the rolling unit, the hot melt adhesive materials are subjected to physical reaction and are cooled and formed through the cooling and shaping unit, the skin is compounded on the surface of the foam, and the cooling and shaping unit is connected with an external refrigerator to cool the foam.
Specifically, the heating unit is provided with an electric heater or an oil heater for melting hot melt adhesive, the rolling unit is provided with a pressing machine for pressing multilayer materials, the cooling and shaping unit is provided with a cooling and shaping device, and the cooling and shaping unit is connected with an external refrigerator for cooling the cooling unit.
Furthermore, the cutting system is composed of a plurality of transverse cutting machines and a plurality of longitudinal cutting machines.
Furthermore, the unreeling system is also provided with a transverse fine adjustment mechanism for left and right deviation correction of the whole roll of raw materials and a tension control mechanism for controlling the unreeling tension of the raw materials.
Furthermore, the hot melt adhesive spraying system is a hot melt adhesive spraying device with a hot melt spray head or a hot melt spray gun. The hot melt adhesive spraying system can heat and melt the hot melt adhesive resin and uniformly spray the hot melt adhesive resin on the surface to be bonded of the thermoplastic skin or the foam. The bonding can be very strong without the need for an interfacial layer.
Furthermore, continuous type production facility still includes the traction system who is used for being convenient for the cutting with the panel tensioning, traction system places once heat between cooling combined system and the cutting system, traction system includes tractor group one and tractor group two, tractor group one and tractor group two all are provided with two sets of upper and lower rubber rollers.
The setting of the heating and cooling setting machine group gap and the middle rolling machine group gap of the primary heating and cooling system has the following characteristics:
1. the setting of the heating zone gap needs to be larger than the sum of the thicknesses of the raw materials before entering the machine, the specific gap needs to be adjusted by combining the production speed and the heating zone temperature, and the adjustment range is 1mm-15 mm.
2. The setting of the gap of the cooling zone needs to be smaller than the sum of the thicknesses of the raw materials before entering the machine, the specific gap needs to be set and adjusted in combination with the complete rebound deformation of the foam core material, and the adjustment range is 3-20 mm.
3. The setting of the gap of the middle roller press unit needs to be smaller than the sum of the thicknesses of the raw materials before entering the machine, the specific gap needs to be set and adjusted by combining the complete rebound deformation of the foam core material, the adjustment range is 4-21 mm, the gap is slightly smaller than the cooling and shaping unit, and the deviation value between the gap and the cooling and shaping unit is 1-3 mm.
The production speed setting has the following characteristics:
1. the production speed v (m/min) is set in consideration of the melting of the hot melt adhesive in the total heating time of the skin material and the heat insulation material interlayer. Total heating time t (min), total length of the melting heating unit L (m), and total heating time t L/v (min).
The production speed can be set according to the heat insulation performance of the material, the temperature of the heating unit and the melting property of the adhesive film, and the production speed can be measured according to the practical situation through simple experiments. In principle, the higher the temperature of the heating unit, the faster the heating unit is without damaging the skin and the foam core material.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) compared with the prior glue bonding technology, the production line of the utility model can bond the fiber reinforced thermoplastic skin and the heat preservation plate by hot melt adhesive under a primary heating and cooling system, and the obtained heat preservation plate integrates the advantages of high impact resistance, low weight, heat insulation and heat preservation of the heat preservation plate and the like of the hot melt bonded fiber reinforced plate;
(2) in the preparation process, the material is formed at one time through the unreeling system, the paving and conveying system, the one-time heating and cooling compound system and the cutting system, full-continuous production can be realized, the cost is greatly reduced, and the production efficiency is improved. The production speed can reach 1.3 m/min.
(3) Compared with the existing insulation board adopting a positive pressure or negative pressure bonding mode, the production process is environment-friendly, the full thermoplastic production is pollution-free and VOC emission-free, and the bonding cost is reduced by at least 50%.
(4) Because partial fibre reinforcing thermoplasticity covering is very easily crimping when low thickness, in use need reduce the warpage problem in the use through increasing thickness, the utility model discloses a continuous mode can effectively avoid the operation that the warpage brought inconvenient, successfully reduces covering thickness to greatly reduce the comprehensive cost of material.
(5) The utility model discloses the heated board of production has extremely low volatile substance in the follow-up use, and the use is more environmental protection, and moreover, the covering is recoverable recycles.
(6) The produced insulation board has extremely high acid and alkali resistance and salt spray corrosion resistance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a continuous production line according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of the heat-insulating composite board strip in embodiment 1 of the present invention.
Reference numerals
1-a skin layer; 2-hot melt adhesive layer; 3-foam heat insulation layer; 21-26-gas expansion type unreeling shaft; 27-a spreading conveying system; 28-primary heating and cooling composite system; 29-traction unit I; 30-a tractor unit II; 31-longitudinal cutting system; 32-a transverse cutting system; 33-hot melt adhesive spray system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The transverse cutting machine, the longitudinal cutting machine, the transverse fine adjustment mechanism, the tension control mechanism and the cooling device in the following embodiments are all universal devices, the pressing machine is self-made and comprises an upper layer and a lower layer of densely-distributed aluminum or steel square tubes, and cooling water provided by a refrigerating unit is introduced into the square tubes.
Example 1
As shown in fig. 1, the embodiment provides a production line for spraying hot melt adhesive on a fiber-reinforced thermoplastic skin for hot melt adhesive bonding of a heat insulation board, which comprises a continuous production device, wherein the continuous production device comprises unwinding systems 21-26, a primary heating and cooling composite system 28, cutting systems 31 and 32, which are sequentially connected through a conveyor belt, a hot melt adhesive spraying system 33 and a paving conveying system 27, the unwinding systems 21-26 are provided with 6 sets of air-expansion unwinding shafts, each air-expansion unwinding shaft is provided with a raw material placing inlet, the paving conveying system 27 is a paving platform with a conveyor belt, the primary heating and cooling composite system 28 is provided with a heating unit, a rolling unit and a cooling and shaping unit, which are sequentially connected, the heating unit is provided with an electric heater or an oil heater for melting the hot melt adhesive, the rolling unit is provided with a pressing machine for pressing a plurality of layers of materials, the cooling and shaping unit is provided with a cooling and shaping unit, and the cooling and shaping unit is connected with an external refrigerator to cool the cooling and shaping unit so as to form the heat-preservation plate belt.
The hot melt adhesive spraying system 33 is a hot melt adhesive spraying device with a hot melt adhesive spray gun, and is provided with a hot melt adhesive storage box, and the hot melt adhesive spray gun can heat and melt hot melt adhesive resin and uniformly spray the hot melt adhesive resin on a thermoplastic skin or a foam surface to be bonded.
The heating unit melts the hot melt adhesive through an electric heating or oil heater, the multi-layer materials are pressed into a whole through a rolling unit, the hot melt adhesive materials are subjected to physical reaction and are cooled and formed through a cooling and forming unit, the skin is compounded on the surface of the foam, and the cooling and forming unit is connected with an external refrigerator to cool the foam.
The setting of the heating zone gap needs to be larger than the sum of the thicknesses of the raw materials before entering the machine, the specific gap needs to be adjusted by combining the production speed and the heating zone temperature, and the adjustment range is 1mm-15 mm.
The setting of the gap of the cooling zone needs to be smaller than the sum of the thicknesses of the raw materials before entering the machine, the specific gap needs to be set and adjusted in combination with the complete rebound deformation of the foam core material, and the adjustment range is 3-20 mm.
The setting of the gap of the middle roller press unit needs to be smaller than the sum of the thicknesses of the raw materials before entering the machine, the specific gap needs to be set and adjusted in combination with the complete rebound deformation of the foam core material, the adjustment range is 4-21 mm, the gap is slightly smaller than the cooling and shaping unit, and the deviation value between the gap and the cooling and shaping unit is 1-3 mm.
Specifically, the cutting system is composed of two transverse cutting machines 32 and two longitudinal cutting machines 31, and the prepared heat preservation plate belt is cut into the required rectangular or square plate.
More specifically, the unwinding systems 21-26 are further configured with a lateral fine-tuning mechanism for correcting left and right deviation of the raw material roll, and a tension control mechanism for controlling the magnitude of the unwinding tension of the raw material.
When the device is used, two fiber-reinforced hot-melt adhesive skin materials are respectively placed on different air-expanding unwinding shafts, the fiber-reinforced skin and the adhesive film are continuously unwound together, and the fiber-reinforced skin and the adhesive film are continuously unwound by traction after entering a host machine; foam core material (polyurethane foam with the density of 40kg/m is selected in the embodiment) 3 97mm in thickness) is put into the continuous production line from a paving platform with a conveying belt, the fiber reinforced hot melt adhesive skin material and the foam core material are continuously conveyed to a primary heating and cooling system through a front end unreeling device of the continuous production line and a paving conveying system 27, and a hot melt adhesive spraying system 33 (a hot melt adhesive spraying device with a hot melt spray head or a spray gun) heats and melts the hot melt adhesive resin and uniformly sprays the molten adhesive resin on the surface to be bonded of the thermoplastic skin and/or the foam (the hot melt spraying temperature is 105 ℃); the heating section melts the sprayed hot melt adhesive through an electric heating or oil heater, the hot melt adhesive material has larger adhesive force after physical reaction, the multi-layer material is pressed into a whole through a rolling unit, the multi-layer material is cooled and formed through a cooling and shaping device, the skin is compounded on the surface of the foam, and the cooling device is connected with an external refrigerator to cool the multi-layer material, so that a heat preservation plate band is formed;
in the hot melt compounding, the set temperature of the heating unit is higher than the melting temperature of the hot melt adhesive and lower than the softening or carbonization temperature of the foam core material or the fiber reinforced hot melt adhesive skin material; the set temperature of the cooling and shaping device is lower than the softening temperature of the hot melt adhesive, and the temperature difference between the set temperature and the heating unit is more than or equal to 40 ℃; the bonding area of the foam core material and the fiber-reinforced hot-melt bonding skin material in the obtained composite material exceeds 70 percent.
And then cutting the obtained heat-insulating plate strip into a fiber-reinforced thermoplastic skin in a fixed length mode, spraying hot melt adhesive on the fiber-reinforced thermoplastic skin, and carrying out hot melt adhesion on the heat-insulating plate.
The production speed can be set according to the heat insulation performance of the material, the temperature of the heating unit and the melting property of the adhesive film, and the production speed can be measured according to the actual situation through simple experiments. In principle, the higher the temperature of the heating unit, the faster the heating unit is, on the premise of not damaging the skin and the foam core material.
The production speed was calculated and set as follows:
1. the production speed v (m/min) is set in consideration of the melting of the hot melt adhesive in the total heating time of the skin material and the heat insulation material interlayer. Total heating time t (min), total length L (m) of the melting and heating unit, and total heating time t (L/v (min)).
2. The production speed of this example was: 1.3 m/min.
Example 2
As shown in fig. 1, the present embodiment provides a production line for spraying a hot melt adhesive on a fiber-reinforced thermoplastic skin to bond an insulation board by hot melt, which is composed of a continuous production apparatus, the continuous production apparatus includes an unreeling system, a primary heating and cooling composite system 28, cutting systems 31 and 32, which are sequentially connected, and further includes a paving conveying system 27 for conveying auxiliary materials to the primary heating and cooling composite system, and the paving conveying system 27 and the unreeling system are placed in parallel; the unreeling system 21-26 is provided with 6 groups of air-expanding unreeling shafts 21-26, each air-expanding unreeling shaft is provided with a raw material placing inlet, a fiber reinforced hot-melt adhesive skin material is placed from the raw material placing inlet, and the unreeling shafts and the unreeling frame are connected and fixed through an interlocking structure;
more specifically, the unwinding systems 21-26 are further configured with a lateral fine-tuning mechanism for correcting left and right deviation of the raw material roll, and a tension control mechanism for controlling the magnitude of the unwinding tension of the raw material.
The hot melt adhesive spraying system 33 is a hot melt adhesive spraying device with a hot melt adhesive nozzle, and is provided with a hot melt adhesive storage box, and the hot melt adhesive nozzle can heat and melt hot melt adhesive resin and uniformly spray the hot melt adhesive resin on a thermoplastic skin or a foam surface to be bonded.
The spreading and conveying system 27 is a spreading platform with a conveying belt, foam heat-insulating materials are put in the position, a heating and cooling composite system 28 is a belt or steel belt type composite machine, the belt or steel belt type composite machine is provided with an upper conveying belt or a lower conveying belt or a steel belt which independently run, a heating unit, a rolling unit and a cooling and shaping unit, the heating unit is provided with an electric heater or an oil heater for melting hot melt adhesive, the rolling unit is provided with a pressing machine for pressing multilayer materials, the cooling and shaping unit is provided with a cooling and shaping unit which is connected with an external refrigerator for cooling, the belt is polytetrafluoroethylene-infiltrated fine woven glass fiber cloth, the steel belt is a whole steel conveying belt, one surface of the belt or the steel belt is in contact with a product, the other surface of the belt or the steel belt is in contact with a heating device or a cooling device, and heat conduction or cooling through the belt or the steel belt is realized, transferring the heat to a product, pressing, cooling and shaping by cooling conduction to form the heat-insulating plate strip.
The heating unit melts hot melt adhesive through an electric heating or oil heater, the multi-layer materials are pressed into a whole through the pressing of the rolling unit, the hot melt adhesive materials are subjected to physical reaction and are cooled and formed through the cooling and shaping unit, the skin is compounded on the surface of the foam, and the cooling and shaping unit is connected with an external refrigerator to cool the foam.
The setting of the heating zone gap needs to be larger than the sum of the thicknesses of the raw materials before entering the machine, the specific gap needs to be adjusted by combining the production speed and the heating zone temperature, and the adjustment range is 1mm-15 mm.
The setting of the gap of the cooling zone needs to be smaller than the sum of the thicknesses of the raw materials before entering the machine, the specific gap needs to be set and adjusted in combination with the complete rebound deformation of the foam core material, and the adjustment range is 3-20 mm.
The setting of the gap of the middle roller press unit needs to be smaller than the sum of the thicknesses of the raw materials before entering the machine, the specific gap needs to be set and adjusted in combination with the complete rebound deformation of the foam core material, the adjustment range is 4-21 mm, the gap is slightly smaller than the cooling and shaping unit, and the deviation value between the gap and the cooling and shaping unit is 1-3 mm.
The using method of the production line is the same as that of embodiment 1, after forming the fiber reinforced thermoplastic skin, spraying hot melt adhesive to a hot melt adhesive heat insulation board, compounding the fiber reinforced thermoplastic skin into a heat insulation board strip through a primary heating and cooling compounding system 28, enabling the heat insulation board strip to enter a first traction unit 29 and a second traction unit 30, wherein the first traction unit 29 and the second traction unit 30 are both provided with an upper rubber roller and a lower rubber roller, the upper rubber roller is pushed by an air cylinder to be pressed, the lower rubber roller is provided with active power, a speed difference is arranged between a traction machine and a host machine, and the traction machine drags the board in the host machine so as to tension the board and facilitate cutting.
The cutting system is composed of a plurality of transverse cutting machines 32 and a plurality of longitudinal cutting machines 31, the prepared heat preservation plate belt firstly enters the longitudinal cutting system 27, a plurality of groups of longitudinal cutting saws are arranged on the lead screw guide rail for longitudinal cutting, and the longitudinal saw blade can be a vertical plate cutting right angle, a parallel cutting step or an angle cutting oblique angle. Then the plate enters a transverse cutting system 7, and the cutting machine moves along the movement direction of the plate on the guide rail during cutting, so that the plate with different required shapes is cut.
The process parameters of this example are set as follows:
the unwind spool 22 places the lower skin material, with the tension set at 80%,
hot melt adhesives such as EVA hot melt adhesives, TPU hot melt adhesives, PES hot melt adhesives, PA hot melt adhesives, PO hot melt adhesives and the like are placed in the hot melt adhesive spraying system 33;
the unreeling shaft 25 is provided with an upper skin material, the tension is set to 80%,
the set temperature of the heating machine set is 130 ℃, and the gap is 106 mm;
the set temperature of the cooling setting machine group is 15 ℃, and the gap is 95 mm;
the gap of the middle roller press unit is 94 mm;
production speed of the present example: 1.3 m/min.
The fiber-reinforced hot-melt adhesive insulation board obtained in example 1 (the thickness of the insulation board is 40mm, and the density of the insulation core material is 40 kg/m) 3 Foam polyurethane) and bonding glass steel heated board, bonding color steel plate heated board, bonding aluminum plate heated board carry out the comparison, and the result is as following table 1:
TABLE 1 comparison of several insulation boards
From the upper table, the utility model discloses the fibre reinforcement hot melt bonding heated board covering weight that obtains is thanThe light weight is 1.4g/m 2 (ii) a The utility model discloses the density of heated board is less than other heated boards, and density is 5.28kg/m 2 And the material has better acid and alkali corrosion resistance and better impact resistance.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a production line of fibre reinforcement thermoplasticity covering spraying hot melt adhesive bonding heated board, a serial communication port, the production line of fibre reinforcement thermoplasticity covering spraying hot melt adhesive bonding heated board comprises continuous production facility, continuous production facility includes the system of unreeling, once heating cooling complex system and the cutting system that is used for placing the covering that connects gradually through conveyer, continuous production facility still includes hot melt adhesive spraying system and stone conveying system, and auxiliary material conveying system and the system of unreeling are placed in parallel.
2. The production line of the fiber reinforced thermoplastic skin coated with the hot melt adhesive insulation board according to claim 1, wherein the unwinding system is a plurality of groups of air-inflatable unwinding shafts, and each air-inflatable unwinding shaft is provided with a raw material placing inlet.
3. The production line for the fiber reinforced thermoplastic skin sprayed with the hot melt adhesive insulation boards according to claim 1, wherein the unreeling system is provided with not less than 4 sets of air-inflated unreeling shafts.
4. The production line for spraying hot melt adhesive insulation boards onto fiber reinforced thermoplastic skins according to claim 1, wherein the paving conveying system is a paving platform with a conveying belt.
5. The production line for the fiber reinforced thermoplastic skin sprayed with the hot melt adhesive insulation board according to any one of claims 1 to 4, wherein the primary heating and cooling composite system comprises a heating unit, a rolling unit and a cooling and shaping unit which are connected in sequence.
6. The production line of the fiber reinforced thermoplastic skin coated with the hot melt adhesive for hot melt bonding of the insulation board according to claim 5, wherein the heating unit is provided with an electric heater or an oil heater for melting the hot melt adhesive, the rolling unit is provided with a pressing machine for pressing a multilayer material, the cooling and shaping unit is provided with a cooling and shaping device, and the cooling and shaping unit is connected with an external refrigerator for cooling the cooling and shaping device.
7. The production line for the fiber reinforced thermoplastic skin sprayed with the hot melt adhesive insulation boards according to claim 1, wherein the cutting system is composed of a plurality of transverse cutting machines and a plurality of longitudinal cutting machines.
8. The production line of the fiber reinforced thermoplastic skin coated with the hot melt adhesive insulation board according to claim 1, wherein the unwinding system is further provided with a lateral fine adjustment mechanism for left and right deviation correction of the whole roll of raw material, and a tension control mechanism for controlling the unwinding tension of the raw material.
9. The production line for the fiber reinforced thermoplastic skin to be sprayed with the hot melt adhesive for the hot melt adhesive bonding of the insulation board according to claim 1, wherein the hot melt adhesive spraying system is a hot melt adhesive spraying device with a hot melt nozzle or a hot melt spray gun, and the hot melt adhesive is sprayed on the surface to be bonded of the skin or the auxiliary material.
10. The production line of the fiber reinforced thermoplastic skin sprayed with the hot melt adhesive insulation board according to claim 1, wherein the continuous production equipment further comprises a traction system for tensioning the board and facilitating cutting, the traction system is placed between the primary heating and cooling composite system and the cutting system, the traction system comprises a first traction unit and a second traction unit, and the first traction unit and the second traction unit are both provided with an upper group of rubber rollers and a lower group of rubber rollers.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221047084.0U CN217373527U (en) | 2022-04-29 | 2022-04-29 | Production line for hot-melt bonding of thermal insulation board by spraying hot melt adhesive on fiber-reinforced thermoplastic skin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221047084.0U CN217373527U (en) | 2022-04-29 | 2022-04-29 | Production line for hot-melt bonding of thermal insulation board by spraying hot melt adhesive on fiber-reinforced thermoplastic skin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953481A (en) * | 2022-04-29 | 2022-08-30 | 城资泰诺(山东)新材料科技有限公司 | Production line of fiber-reinforced hot-melt bonding skin hot-melt bonding insulation board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953481A (en) * | 2022-04-29 | 2022-08-30 | 城资泰诺(山东)新材料科技有限公司 | Production line of fiber-reinforced hot-melt bonding skin hot-melt bonding insulation board |
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