Low-temperature film covering device and film covering method for modified asphalt waterproof coiled material

Abstract

The low-temperature film covering device comprises a feeding end bottom film covering mechanism, a cooling tank and a rear end top film covering mechanism which are sequentially arranged from front to back, and the feeding end bottom film covering mechanism comprises a feeding carrier roller, a bottom film tensioning roller and a bottom film roll supporting mechanism; the oil immersion mechanism comprises a feeding carrier roller and a cooling tank, the height of the feeding carrier roller is higher than a material outlet of the oil immersion mechanism, a bottom film laminating cooling spraying pipe is arranged below the feeding carrier roller, the cooling tank is arranged below a waterproof roll conveying path, in-tank cooling spraying pipes are evenly arranged in the cooling tank, and the rear end top film laminating mechanism comprises a discharging pressing roller, a top film tensioning roller and a top film roll supporting mechanism. The discharging pressing roller is arranged above the discharging end feeding roller, the top film tensioning roller is arranged above the discharging pressing roller, and the top film supporting mechanism is arranged behind the top film tensioning roller. The problem that rapid cooling cannot be completed from an oil immersion mechanism to a film covering mechanism during production of existing modified asphalt waterproof coiled materials is solved.

Description

Technical Field

[0001] The invention relates to the field of equipment for processing waterproof coiled materials, in particular to a low-temperature film coating device and a film coating method for modified asphalt waterproof coiled materials. Background Art

[0002] When producing modified asphalt waterproofing membranes, the base must first be impregnated with oil, that is, the surface of the base is covered with modified asphalt, and then an isolation film is covered on the surface of the modified asphalt. Finally, after embossing treatment and other processes, the finished modified asphalt waterproofing membrane can be made.

[0003] In the prior art, when performing the isolation film coating operation, the distance between the oil immersion device and the coating device is usually extended, so that the asphalt attached to the tire base surface can be fully cooled. The advantage of this is that the isolation film can be effectively protected to prevent the isolation film from being damaged by excessive temperature. However, this also has obvious disadvantages. Either the distance between the devices needs to be increased, or corresponding stroke extension mechanisms need to be provided in the oil immersion device and the coating device. Increasing the distance between the devices is not conducive to implementation in places with small spaces, and adding a stroke extension mechanism will have excessive contact with the tire base, which will affect the coverage of asphalt on the tire base surface. At the same time, both of the above methods have the problem of low efficiency. In order to solve the above problems, it is necessary to improve the existing equipment. Summary of the invention

[0004] The purpose of the present invention is to provide a low-temperature coating device and coating method for modified asphalt waterproofing membrane, so as to solve the problem that the existing modified asphalt waterproofing membrane cannot be cooled quickly from the oil immersion mechanism to the coating mechanism during production.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: The film-covering device and the film-covering method of the modified asphalt waterproofing membrane are provided with a low-temperature film covering device and a film-covering method of the rear end, comprising a feed end bottom film covering mechanism, a cooling trough and a rear end top film covering mechanism which are arranged in sequence from front to rear, the feed end bottom film covering mechanism comprising a feed roller, a bottom film tensioning roller and a bottom film roll supporting mechanism, the feed roller is arranged at a height higher than the material outlet of the oil immersion mechanism, a bottom film covering and cooling spray pipe is arranged obliquely below the feed roller, the bottom film tensioning roller can be arranged below the feed roller in a vertical direction, the bottom film roll supporting mechanism is arranged behind the bottom film tensioning roller, the cooling trough is arranged below the conveying path of the waterproofing membrane, the cooling trough is evenly provided with in-trough cooling spray pipes, the rear end top film covering mechanism comprises a discharging pressure roller, a top film tensioning roller and a top film roll supporting mechanism, the discharging pressure roller is arranged above the discharging end feeding roller, the top film tensioning roller is arranged above the discharging pressure roller, and the top film supporting mechanism is arranged behind the top film tensioning roller.

[0006] In the present scheme, a bottom film coating cooling spray pipe is firstly arranged obliquely below the feed roller, which can spray continuously at the contact part between the isolation film and the tire base material. In this way, when the bottom film contacts the tire base material coated with modified asphalt, the isolation film will not be burned due to the excessively high temperature of the modified asphalt, which effectively solves the problems mentioned in the background technology. Such a structure does not need to consider the distance between the oil immersion device and the coating device, and does not need to set a stroke extension mechanism. It can effectively protect the asphalt layer on the surface of the tire base material, so that the quality of the produced asphalt waterproofing membrane is uniform. The bottom film tensioning roller and the top film tensioning roller are set to tension the bottom film and the top film, so that the isolation film will not be wrinkled after the coating is completed due to insufficient tension.

[0007] As a further preferred embodiment of the present invention, the feed rollers include a front feed roller and a rear feed roller which are arranged in sequence from front to back, a gap for the lower film to pass through is left between the front feed roller and the rear feed roller, the top surface of the front feed roller is slightly lower than the top surface of the rear feed roller, and the connecting line between the top surface of the front feed roller and the top surface of the rear feed roller is consistent with the conveying path.

[0008] Since there is a certain distance between the oil immersion device and the coating device, the middle position of the tire base material may sag due to gravity during the process from the oil immersion device to the coating device. At this time, if the coating is directly supported, wrinkles will appear, affecting the coating quality. Therefore, front feed rollers and rear feed rollers are set here. Under the action of the front feed rollers, the sagging part of the tire base material can be lifted up, and then the coating operation is completed through the rear feed rollers. Since the distance between the front feed rollers and the rear feed rollers is small, after the front feed rollers lift the sagging part, the tire base material will no longer fall seriously. This can effectively improve the coating quality, and the flat coating can better protect the isolation film.

[0009] As a further preferred embodiment of the present invention, cooling nozzles are evenly arranged in the middle of the bottom film coating cooling spray pipe, and the nozzles are directed toward the contact portion between the bottom film and the feed roller.

[0010] As a further preferred embodiment of the present invention, the bottom film tensioning roller and the top film tensioning roller both include a roller body, a rotating shaft, a support plate and a pressure sensor. The rotating shaft is arranged at both ends of the roller body, a rotating shaft support is arranged on the top surface of the support plate, the rotating shaft is rotatably connected to the rotating support, one end of the rotating shaft is connected to a rotating motor, and an electric lifting mechanism is arranged on the bottom surface of the support plate, the electric lifting mechanism is electrically connected to a PLC controller by signal, the pressure sensor is arranged in a rotating shaft connecting hole of the rotating shaft support, and the pressure sensor is electrically connected to the PLC controller by signal.

[0011] The pressure sensor is used to determine whether the tension of the isolation film wrapped around the roller is sufficient. If the tension is too large or insufficient, it will be fed back to the PLC controller. After receiving the signal, the PLC controller controls the electric lifting mechanism to lift the isolation film to adjust the tension.

[0012] As a further preference of the present invention, the bottom film roll support mechanism and the top film support mechanism both include a vertical support rod and a horizontal support rod, the vertical support rod is arranged at one end of the horizontal support rod, the length of the vertical support rod is adjustable, and the other end of the horizontal support rod is a feeding end of the horizontal support rod, and a detachable limit head is provided at the feeding end of the horizontal support rod.

[0013] The length of the vertical support rod is adjustable so that it can adapt to isolation film rolls of different roll thicknesses. When in use, the isolation film roll is inserted from the feed end of the horizontal support rod, passed through the horizontal support rod, and then the detachable limit head is screwed on to limit it.

[0014] As a further preferred embodiment of the present invention, the discharge sides of the bottom film roll support mechanism and the top film support mechanism are both provided with edge film smoothing mechanisms, and the edge film smoothing mechanisms include clamping smoothing rollers arranged on both sides of the bottom film and top film conveying paths, and a film passing gap is left between the upper roller and the lower roller of the clamping smoothing rollers.

[0015] After the isolation film roll is almost used up, the edge position of the remaining isolation film roll will be affected by the vertical support rod and the limit head during the rotation, and it is easy to curl up. The edge film smoothing mechanism can straighten the curled edge to make the covered isolation film better.

[0016] As a further preferred embodiment of the present invention, in-tank supporting rollers are evenly arranged in the cooling tank.

[0017] As a further preferred embodiment of the present invention, a temperature sensing mechanism and a temperature reducing agent spraying mechanism are also provided in front of the feed roller, the temperature reducing agent spraying mechanism is located below the material conveying surface, the temperature sensing mechanism is located between the temperature reducing agent spraying mechanism and the feed roller, and the temperature sensing mechanism is used to detect the temperature of the material before it contacts the feed roller.

[0018] It is convenient to detect the temperature of the tire base material before laminating. When the temperature is too high, the temperature-reducing agent spraying mechanism can be turned on to further assist the asphalt on the surface of the tire base material to cool down, which can better protect the isolation film.

[0019] A method for low-temperature coating using a low-temperature coating device of any of the above-mentioned modified asphalt waterproofing membranes, comprising the following steps: A. sending the base material soaked in oil to the feed roller, covering the bottom film at the feed roller, and continuously operating the bottom film coating cooling spray pipe to realize the low-temperature coating operation when coating the bottom film; B. after the bottom film is coated, the base material enters a cooling tank for continuous cooling, further reducing the surface temperature of the base material; C. finally, completing the low-temperature coating operation of the top film at the discharge end through the rear end top film coating mechanism.

[0020] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects: 1. In the present scheme, a bottom film coating cooling spray pipe is firstly arranged obliquely below the feed roller, which can spray continuously on the contact part between the isolation film and the tire base material. In this way, when the bottom film contacts the tire base material coated with modified asphalt, the isolation film will not be burned due to the excessively high temperature of the modified asphalt, which effectively solves the problem mentioned in the background technology. Such a structure does not need to consider the distance between the oil immersion device and the coating device, and does not need to set a stroke extension mechanism. It can effectively protect the asphalt layer on the surface of the tire base material, so that the quality of the produced asphalt waterproofing membrane is uniform. The bottom film tensioning roller and the top film tensioning roller are arranged to tension the bottom film and the top film, so that the isolation film will not be wrinkled after the completion of the coating due to insufficient tension.

[0021] 2. Since there is a certain distance between the oil immersion device and the coating device, the middle position of the tire base material may sag due to gravity during the process from the oil immersion device to the coating device. At this time, if the coating is directly supported, wrinkles will appear, affecting the coating quality. Therefore, front feed rollers and rear feed rollers are set here. Under the action of the front feed rollers, the sagging part of the tire base material can be lifted up, and then the coating operation is completed by the rear feed rollers. Since the distance between the front feed rollers and the rear feed rollers is small, after the front feed rollers lift the sagging part, the tire base material will no longer fall seriously. This can effectively improve the coating quality, and the flat coating can better protect the isolation film.

[0022] 3. The pressure sensor is used to determine whether the tension of the isolation film wrapped around the roller is sufficient. If the tension is too large or insufficient, it will be fed back to the PLC controller. After receiving the signal, the PLC controller controls the electric lifting mechanism to lift the isolation film to adjust the tension.

[0023] 4. The length of the vertical support rod is adjustable so that it can adapt to isolation film rolls of different roll thicknesses. When in use, insert the isolation film roll from the feed end of the horizontal support rod, put it on the horizontal support rod, and then screw on the detachable limit head to limit it.

[0024] 5. After the isolation film roll is almost used up, the edge position of the remaining isolation film roll will be affected by the vertical support rod and the limit head during the rotation process, and it is easy to curl up. The edge film smoothing mechanism can straighten the curled edge to make the covered isolation film better.

[0025] 6. It is convenient to detect the temperature of the tire base material before laminating. When the temperature is too high, the temperature-reducing agent spraying mechanism can be turned on to further assist the asphalt on the surface of the tire base material to cool down, which can better protect the isolation film. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present invention.

[0027] Figure 2 It is a schematic structural diagram of the bottom film tensioning roller and the top film tensioning roller of the present invention.

[0028] Figure 3 It is a schematic structural diagram of the bottom film roll supporting mechanism and the top film roll supporting mechanism of the present invention.

[0029] Figure 4 It is a structural schematic diagram of the edge film straightening mechanism of the present invention. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features of the embodiments may be combined with each other.

[0034] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0035] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Specific embodiment 1: Figure 1 , Figure 2 , Figure 3 , Figure 4 The invention discloses a low-temperature film coating device and a film coating method for a modified asphalt waterproofing membrane, which comprises a feed end bottom film coating mechanism, a cooling tank 1 and a rear end top film coating mechanism arranged in sequence from front to back, wherein the feed end bottom film coating mechanism comprises a feed roller 2, a bottom film tensioning roller 3 and a bottom film roll supporting mechanism 4, wherein the feed roller 2 is arranged at a height higher than the material outlet of the oil immersion mechanism, a bottom film coating cooling spray pipe 5 is arranged obliquely below the feed roller 2, and the bottom film tensioning roller 3 can be lifted and lowered in the vertical direction and is arranged on the feed roller Roller 2, the bottom film roll supporting mechanism 4 is arranged behind the bottom film tensioning roller 3, the cooling tank 1 is arranged below the waterproof coiled material conveying path, and the cooling tank 1 is evenly provided with cooling spray pipes 6 in the tank, and the rear end top film laminating mechanism includes a discharge pressure roller 7, a top film tensioning roller 8 and a top film roll supporting mechanism 9, the discharge pressure roller 7 is arranged above the discharge end feeding roller, the top film tensioning roller 8 is arranged above the discharge pressure roller 7, and the top film supporting mechanism 9 is arranged behind the top film tensioning roller 8.

[0038] In the present scheme, a bottom film coating cooling spray pipe is firstly arranged obliquely below the feed roller, which can spray continuously at the contact part between the isolation film and the tire base material. In this way, when the bottom film contacts the tire base material coated with modified asphalt, the isolation film will not be burned due to the excessively high temperature of the modified asphalt, which effectively solves the problems mentioned in the background technology. Such a structure does not need to consider the distance between the oil immersion device and the coating device, and does not need to set a stroke extension mechanism. It can effectively protect the asphalt layer on the surface of the tire base material, so that the quality of the produced asphalt waterproofing membrane is uniform. The bottom film tensioning roller and the top film tensioning roller are set to tension the bottom film and the top film, so that the isolation film will not be wrinkled after the coating is completed due to insufficient tension. Specific embodiment 2: This embodiment further illustrates the feed roller 2 on the basis of the specific embodiment 1, wherein the feed roller 2 comprises a front feed roller 21 and a rear feed roller 22 which are sequentially arranged from front to back, and a gap for the lower film to pass through is left between the front feed roller 21 and the rear feed roller 22, and the top surface of the front feed roller 21 is slightly lower than the top surface of the rear feed roller 22, and the connecting line between the top surface of the front feed roller 21 and the top surface of the rear feed roller 22 is consistent with the conveying path.

[0040] Since there is a certain distance between the oil immersion device and the coating device, the middle position of the tire base material may sag due to gravity during the process from the oil immersion device to the coating device. At this time, if the coating is directly supported, wrinkles will appear, affecting the coating quality. Therefore, front feed rollers and rear feed rollers are set here. Under the action of the front feed rollers, the sagging part of the tire base material can be lifted up, and then the coating operation is completed through the rear feed rollers. Since the distance between the front feed rollers and the rear feed rollers is small, after the front feed rollers lift the sagging part, the tire base material will no longer fall seriously. This can effectively improve the coating quality, and the flat coating can better protect the isolation film. Specific embodiment 3: This embodiment further illustrates the bottom film coating cooling spray pipe 6 on the basis of the specific embodiment 1. Cooling nozzles are evenly arranged in the middle of the bottom film coating cooling spray pipe 6 , and the nozzles are directed toward the contact part between the bottom film and the feed roller 2 . Specific embodiment 4: This embodiment further explains the bottom film tensioning roller 3 and the top film tensioning roller 8 on the basis of the specific embodiment 1. The bottom film tensioning roller 3 and the top film tensioning roller 8 both include a roller body, a rotating shaft, a support plate and a pressure sensor. The rotating shaft is arranged at both ends of the roller body, and a rotating shaft support is arranged on the top surface of the support plate. The rotating shaft is rotatably connected to the rotating support. One end of the rotating shaft is connected to a rotating motor. An electric lifting mechanism is arranged on the bottom surface of the support plate. The electric lifting mechanism is electrically connected to the PLC controller. The pressure sensor is arranged in the rotating shaft connection hole of the rotating shaft support, and the pressure sensor is electrically connected to the PLC controller.

[0043] The pressure sensor is used to determine whether the tension of the isolation film wrapped around the roller is sufficient. If the tension is too large or insufficient, it will be fed back to the PLC controller. After receiving the signal, the PLC controller controls the electric lifting mechanism to lift the isolation film to adjust the tension. Specific embodiment 5: This embodiment further explains the bottom film roll support mechanism 4 and the top film support mechanism 9 on the basis of the specific embodiment 1. The bottom film roll support mechanism 4 and the top film support mechanism 9 both include a vertical support rod and a horizontal support rod. The vertical support rod is arranged at one end of the horizontal support rod. The length of the vertical support rod is adjustable. The other end of the horizontal support rod is the feeding end of the horizontal support rod. A detachable limit head is provided at the feeding end of the horizontal support rod.

[0045] The length of the vertical support rod is adjustable so that it can adapt to isolation film rolls of different roll thicknesses. When in use, the isolation film roll is inserted from the feed end of the horizontal support rod, passed through the horizontal support rod, and then the detachable limit head is screwed on to limit it. Specific embodiment 6: This embodiment further illustrates the bottom film roll support mechanism 4 and the top film support mechanism 9 on the basis of the specific embodiment 5. The discharge sides of the bottom film roll support mechanism 4 and the top film support mechanism 9 are provided with a side film smoothing mechanism 10. The side film smoothing mechanism 10 includes clamping smoothing rollers arranged on both sides of the bottom film and top film conveying paths, and a film passing gap is left between the upper roller and the lower roller of the clamping smoothing roller.

[0047] After the isolation film roll is almost used up, the edge position of the remaining isolation film roll will be affected by the vertical support rod and the limit head during the rotation, and it is easy to curl up. The edge film smoothing mechanism can straighten the curled edge to make the covered isolation film better. Specific embodiment 7: This embodiment further illustrates the cooling tank 1 on the basis of the specific embodiment 5. The cooling tank 1 is evenly provided with in-tank support rollers 11 . Specific embodiment 8: This embodiment further illustrates the feed roller 2 on the basis of the specific embodiment 5. A temperature sensing mechanism 12 and a temperature reducing agent spraying mechanism 13 are further provided in front of the feed roller 2. The temperature reducing agent spraying mechanism 13 is located below the material conveying surface. The temperature sensing mechanism 12 is located between the temperature reducing agent spraying mechanism 13 and the feed roller 2. The temperature sensing mechanism 12 is used to detect the temperature of the material before it contacts the feed roller 2.

[0050] It is convenient to detect the temperature of the tire base material before laminating. When the temperature is too high, the temperature-reducing agent spraying mechanism can be turned on to further assist the asphalt on the surface of the tire base material to cool down, which can better protect the isolation film. Specific embodiment 9: A method for low-temperature coating using a low-temperature coating device of any of the above-mentioned modified asphalt waterproofing membranes, comprising the following steps: A. sending the base material soaked in oil to the feed roller, covering the bottom film at the feed roller, and continuously operating the bottom film coating cooling spray pipe to realize the low-temperature coating operation when coating the bottom film; B. after the bottom film is coated, the base material enters a cooling tank for continuous cooling, further reducing the surface temperature of the base material; C. finally, completing the low-temperature coating operation of the top film at the discharge end through the rear end top film coating mechanism.

[0052] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-temperature film coating device for a modified asphalt waterproofing membrane, comprising a feeding end bottom film coating mechanism, a cooling tank (1) and a rear end top film coating mechanism arranged in sequence from front to back, characterized in that: The bottom film coating mechanism at the feed end comprises a feed roller (2), a bottom film tensioning roller (3) and a bottom film roll supporting mechanism (4); the feed roller (2) is arranged at a height higher than the material outlet of the oil immersion mechanism; a bottom film coating cooling spray pipe (5) is arranged obliquely below the feed roller (2); the bottom film tensioning roller (3) is arranged below the feed roller (2) so as to be able to rise and fall in the vertical direction; the bottom film roll supporting mechanism (4) is arranged behind the bottom film tensioning roller (3); A cooling trough (1) is arranged below the conveying path of the waterproof coiled material, and cooling spray pipes (6) are evenly arranged in the cooling trough (1). The rear end top film laminating mechanism comprises a discharge pressure roller (7), a top film tensioning roller (8) and a top film roll supporting mechanism (9). The discharge pressure roller (7) is arranged above the discharge end feed roller, the top film tensioning roller (8) is arranged above the discharge pressure roller (7), and the top film support mechanism (9) is arranged behind the top film tensioning roller (8).

2. The low-temperature film coating device for modified asphalt waterproofing membrane according to claim 1 is characterized in that: The feed rollers (2) include a front feed roller (21) and a rear feed roller (22) which are arranged in sequence from front to rear, a gap for the lower film to pass through is left between the front feed roller (21) and the rear feed roller (22), the top surface of the front feed roller (21) is slightly lower than the top surface of the rear feed roller (22), and the line between the top surface of the front feed roller (21) and the top surface of the rear feed roller (22) is consistent with the conveying path.

3. The low-temperature film coating device for modified asphalt waterproofing membrane according to claim 1 is characterized in that: Cooling nozzles are evenly arranged in the middle of the bottom film coating cooling spray pipe (6), and the nozzles face the contact part between the bottom film and the feed roller (2).

4. The low-temperature film coating device for modified asphalt waterproofing membrane according to claim 1 is characterized in that: The bottom film tensioning roller (3) and the top film tensioning roller (8) both comprise a roller body, a rotating shaft, a support plate and a pressure sensor, wherein the rotating shaft is arranged at both ends of the roller body, a rotating shaft support is arranged on the top surface of the support plate, the rotating shaft is rotatably connected to the rotating support, one end of the rotating shaft is connected to a rotating motor, an electric lifting mechanism is arranged on the bottom surface of the support plate, the electric lifting mechanism is electrically connected to a PLC controller, the pressure sensor is arranged in a rotating shaft connection hole of the rotating shaft support, and the pressure sensor is electrically connected to the PLC controller.

5. The low-temperature film coating device for modified asphalt waterproofing membrane according to claim 1 is characterized in that: The bottom film roll support mechanism (4) and the top film support mechanism (9) both comprise a vertical support rod and a horizontal support rod, wherein the vertical support rod is arranged at one end of the horizontal support rod, and the length of the vertical support rod is adjustable, and the other end of the horizontal support rod is a feeding end of the horizontal support rod, and a detachable limit head is arranged at the feeding end of the horizontal support rod.

6. The low-temperature film coating device for modified asphalt waterproofing membrane according to claim 5 is characterized in that: The discharge sides of the bottom film roll support mechanism (4) and the top film support mechanism (9) are both provided with a side film smoothing mechanism (10), and the side film smoothing mechanism (10) comprises clamping smoothing rollers arranged on both sides of the bottom film and top film conveying paths, and a film-passing gap is left between the upper roller and the lower roller of the clamping smoothing roller.

7. The low-temperature film coating device for modified asphalt waterproofing membrane according to claim 1 is characterized in that: The cooling tank (1) is also evenly provided with in-tank support rollers (11).

8. The low-temperature film coating device for modified asphalt waterproofing membrane according to claim 1 is characterized in that: A temperature sensing mechanism (12) and a temperature-lowering agent spraying mechanism (13) are also provided in front of the feed roller (2); the temperature-lowering agent spraying mechanism (13) is located below the material conveying surface; the temperature sensing mechanism (12) is located between the temperature-lowering agent spraying mechanism (13) and the feed roller (2); the temperature sensing mechanism (12) is used to detect the temperature of the material before it contacts the feed roller (2).

9. A method for low-temperature coating using a low-temperature coating device based on any one of claims 1 to 8 of the modified asphalt waterproofing membrane, characterized in that: The method comprises the following steps: A. sending the tire base material soaked in oil to the feed roller, and covering the bottom film at the feed roller. When covering the bottom film, the bottom film covering cooling spray pipe continuously works to realize low-temperature covering operation; B. after the bottom film is covered, the tire base material enters the cooling tank for continuous cooling, so as to further reduce the surface temperature of the tire base material; C. finally, at the discharge end, the low-temperature covering operation of the top film is completed through the rear end top film covering mechanism.

Images