Gift box waterproof coating production process

Abstract

The invention discloses a gift box waterproof coating production process. The gift box waterproof coating production process comprises the following steps that 1, gift boxes are cleaned, specifically, the gift boxes to be coated are placed on a cleaning device, and impurities attached to the surfaces of the gift boxes are cleaned through vibration or air blowing; 2, gift boxes are placed, wherein the gift boxes are placed in a vacuum device; step 3, vacuum setting: carrying out vacuumizing treatment by a vacuum device; according to the film laminating device for the gift boxes, the cleaning mechanism is arranged, a vibration motor drives a connecting plate to move synchronously, the connecting plate drives a placing table to vibrate, impurities attached to the surfaces of the gift boxes placed on the placing table are cleaned in a vibration mode, and the cleanliness of the gift boxes before film laminating is guaranteed; and gas sprayed out of the spraying and blowing cover is blown to the gift box, impurities attached to the surface of the gift box are cleaned, the sealing performance between the waterproof film and the gift box after film covering is guaranteed, and the waterproof rate of the produced gift box is increased.

Description

Technical Field

[0001] The invention relates to the technical field of waterproof coating production, and in particular to a waterproof coating production process for a gift box. Background Art

[0002] The exquisite design of the gift box is simply the icing on the cake when used to wrap gifts. Many people's first reaction to hearing about gift boxes is nothing more than a box used to wrap gifts. Of course, gift boxes are indeed used to wrap gifts. This is its main function and one of the values ​​of its existence. In addition, the value of gift boxes is far more than just wrapping gifts. A suitable gift box will greatly improve the grade of the product, especially gift boxes made of precious materials such as mahogany gift boxes. They are exquisitely made and made of excellent materials. They can well reflect the uniqueness and value of gifts and are deeply welcomed by those who demand high-end gift boxes. Reciprocity is a constant way of communication between people from ancient times to the present. More and more companies and individuals have also realized the importance of gift packaging boxes. Even if it is a valuable gift, its value will be greatly reduced if it is simply packaged. On the contrary, if it can be packaged appropriately, it will double its value and stimulate people's desire to buy. If it is just a simple package, it will make people feel insincere, which will lead to some unnecessary problems. Gift boxes can play a good role in promotion and publicity. In order to extend the service life of gift boxes, people usually cover the outside with waterproof film when producing gift boxes.

[0003] Patent document, application number 202210941637.5, the present invention discloses a waterproof coated paper box processing technology, which relates to the field of paper box technology. The present invention includes the following steps: the first step: using a printing press to flexographically print the paperboard; the second step: using a printing press to crimp and groove the paperboard after flexographic printing; the third step: using the circular mold on the printing press and the mutual rolling of the urethane foam to complete the cutting of the paperboard; the fourth step: using a transmission roller to transmit the waterproof film, using a glue coating roller to apply glue to the waterproof film, and the pressing roller presses the waterproof film after gluing together while transmitting the paperboard;

[0004] Step 5: Use the gluer to glue the cardboard together, and then operate the nailing machine to nail the cardboard together. The present invention completes the lamination and forming of the paper box through the steps of flexographic printing, creasing, grooving, die-cutting, coating, bonding and nailing, simplifies the steps required for paper box processing, reduces processing costs, reduces sales costs, and reduces the impact on sales. The patent document, application number is CN201821316613.6, the utility model discloses a packaging box with a waterproof printed film, including a box body, a box cover and a clamping device, the top of the box body is provided with a box cover, the bottom of the box body is provided with a clamping device, the box body and the box cover both include waterproof printed film, corrugated paper, thermal insulation foam and tin foil arranged in sequence from the outside to the inside, the bottom of the box body is provided with a track groove, the clamping device includes a track, a slider, a fastening screw, a vertical plate and a sponge, the waterproof printed film can be waterproof, and can also display product information and patterns, the thermal insulation foam and tin foil in the box body can have a thermal insulation effect, the thermal insulation foam can also have a certain shockproof effect, the clamping device can adapt to the packaging requirements of articles of different sizes, so that the articles will not shake during transportation, and transportation safety is guaranteed.

[0005] However, the above documents still have the following disadvantages:

[0006] Traditional gift boxes are directly coated with waterproof film. Impurities adhered to the surface of the gift boxes cause gaps between the waterproof film and the gift boxes, reducing the sealing between the two, making the produced gift boxes fail to meet people's waterproof needs. Summary of the invention

[0007] The purpose of the present invention is to provide a gift box waterproof coating production process to solve the problem proposed in the above background technology that the traditional gift box is directly coated with a waterproof film, impurities adhered to the surface of the gift box cause a gap between the waterproof film and the gift box, reducing the sealing between the two, so that the produced gift box cannot meet people's waterproof needs.

[0008] To achieve the above object, the present invention provides the following technical solution: a production process for waterproof coating of gift boxes, comprising the following steps:

[0009] Step 1: Clean the gift box: Place the gift box to be coated on the cleaning device to clean the impurities adhering to the surface through vibration or wind blowing;

[0010] Step 2: Place the gift box: Place the gift box in the vacuum device;

[0011] Step 3: Vacuum setting: vacuum device performs vacuum treatment;

[0012] Step 4: Coating equipment treatment: Treat the equipment for coating the surface of the gift box;

[0013] Step 5: Coating: Lay the waterproof film on the surface of the gift box;

[0014] Step 6: Cooling: Cool the gift box after lamination, and then take out the cardboard for inspection.

[0015] As a preferred technical solution of the present invention, the cleaning device in step one includes a cleaning base and a motor base, a placing table is provided at the top of the cleaning base, one side of the top of the cleaning base is fixedly connected to the bottom end of the motor base, a wind blowing part is fixedly installed on the other side of the top of the cleaning base, a movable groove is provided in the middle of the top of the cleaning base, two movable blocks are slidably connected inside the movable groove, the tops of the two movable blocks are rotatably connected to pull rods, a height plate is fixedly installed in the middle of the bottom end of the placing table, the tops of the two pull rods are respectively rotatably connected to the two ends of the height plate, and the bottom end of the height plate Vibration springs are fixedly installed on both sides, and the bottom ends of the two vibration springs are fixedly connected to the side opposite to the cleaning base, and a connecting spring is fixedly installed between the two pull rods. When the placing table vibrates, the placing table drives the height plate to move synchronously, and the height plate drives the pull rod to deflect at an angle, and the pull rod pushes the movable block from one side, and the movable block slides along the movable groove, and the two pull rods pull the connecting springs from both ends, and the connecting springs are elastic, and the connecting springs undergo elastic deformation to buffer the pulling force, and the placing table squeezes the vibration spring, and the vibration spring is elastic, and the vibration spring undergoes elastic deformation to buffer the squeezing force.

[0016] As a preferred technical solution of the present invention, a guardrail is fixedly installed on one side of the top of the placing table, a connecting plate is fixedly installed on one side of the top of the placing table, a vibration motor is fixedly installed on the top of one side of the motor base, and the output end of the vibration motor is fixedly connected to the side opposite to the connecting plate. The vibration motor starts after being energized, the vibration motor drives the connecting plate to move synchronously, the connecting plate drives the placing table to vibrate, and the gift box placed on the placing table is vibrated and cleaned, and the guardrail protects the gift box from the outside.

[0017] As a preferred technical solution of the present invention, the wind blowing component comprises a wind blowing frame and an angle seat, one side of the bottom end of the wind blowing frame is fixedly connected to the top end of the angle seat, the angle seat is internally rotatably connected with an angle plate, the bottom end of the angle plate is fixedly installed with a blowing hood, the middle part of the bottom end of the wind blowing frame is rotatably connected with an angle cylinder, the movable end of the angle cylinder is rotatably connected to the side opposite to the angle plate, the top of the wind blowing frame is fixedly installed with a fan, the air inlet of the fan is fixedly connected with an extraction pipe, the air outlet of the fan is fixedly connected with a conveying hose extending to the inside of the spray hood, the bottom end of the wind blowing frame is fixedly connected with the cleaning base, the fan is started after being powered on, the fan extracts gas from the external environment through the extraction pipe, the extracted gas is conveyed to the spray hood by the conveying hose, the spray hood sprays gas to clean impurities adhered to the surface of the gift box, the angle cylinder performs telescopic and deflection movements, the angle cylinder pushes the angle plate from one side, causes the angle plate to deflect along the angle seat, and adjusts the blowing angle of the spray hood.

[0018] As a preferred technical solution of the present invention, the vacuum device in step 2 includes a vacuum casing and a processing table, the bottom end of the inner wall of the vacuum casing is rotatably connected to the bottom end of the processing table, a vacuum table is fixedly installed on one side of the vacuum casing, a vacuum pump is fixedly installed on the top of the vacuum table, an air inlet of the vacuum pump is fixedly connected to an exhaust pipe extending to the inside of the vacuum casing, and an air outlet of the vacuum pump is fixedly connected to an external exhaust pipe extending to the outside, and a sealed door is hinged on the side of the vacuum casing away from the vacuum table. The user opens the sealed door to place the gift box on the processing table, and then closes the sealed door. The vacuum pump is started after power is turned on, and the vacuum pump extracts the gas in the vacuum casing through the exhaust pipe, and the extracted gas is discharged to the outside through the external exhaust pipe to ensure the vacuum property of the vacuum casing itself.

[0019] As a preferred technical solution of the present invention, the coating equipment treatment in step 4 is specifically to clean the target on the coating equipment and dry the target, and the temperature of the target itself reaches the preheating temperature to facilitate film layer laying.

[0020] As a preferred technical solution of the present invention, the waterproof membrane in step five includes a first waterproof film and a waterproof base membrane, a second waterproof film is fixedly installed on the outer side of the waterproof base membrane, the outer side of the second waterproof film is fixedly connected to the inner side of the first waterproof film, a plurality of waterproof sheets are fixedly installed on the inside of the first waterproof film, a plurality of waterproof strips are fixedly installed at the connection between the second waterproof film and the waterproof base membrane, the first waterproof film is made of polyvinyl chloride material, the second waterproof film is made of polypropylene material, the waterproof sheets and the waterproof strips are both made of polyethylene material, and the waterproof membrane is waterproof layer by layer, thereby increasing the waterproof performance of the waterproof membrane itself.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. By setting up a cleaning mechanism, the vibration motor drives the connecting plate to move synchronously, and the connecting plate drives the placement table to vibrate, so as to clean the impurities adhering to the surface of the gift box placed on the placement table, thereby ensuring the cleanliness of the gift box before lamination;

[0023] 2. By setting up a cleaning mechanism, the fan on the wind blowing part conveys the gas to the spray hood through a conveying hose. The gas sprayed from the spray hood blows toward the gift box to clean the impurities adhering to the surface of the gift box, thereby ensuring the sealing between the waterproof film and the gift box after lamination and improving the waterproof rate of the produced gift box. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a flow chart of the present invention;

[0025] Figure 2 It is a schematic diagram of the structure of the cleaning device of the present invention;

[0026] Figure 3 It is a side view of the wind blowing member of the present invention;

[0027] Figure 4 is a schematic diagram of the interior of the vacuum device of the present invention;

[0028] Figure 5 It is a schematic structural diagram of the waterproof membrane of the present invention.

[0029] In the figure: 1. cleaning device; 101. cleaning base; 102. vibration spring; 103. movable groove; 104. movable block; 105. wind blowing member; 1051. wind blowing frame; 1052. fan; 1053. extraction pipeline; 1054. delivery hose; 1055. angle seat; 1056. spray cover; 1057. angle plate; 1058. angle cylinder; 106. placing table; 107. guardrail; 108. connecting plate; 109. Vibration motor; 110. Motor base; 111. Height plate; 112. Pull rod; 113. Connecting spring; 2. Vacuum device; 21. Vacuum casing; 22. Vacuum table; 23. External exhaust pipe; 24. Vacuum pump; 25. Exhaust pipe; 26. Sealed door; 27. Processing table; 3. Waterproof membrane; 31. First waterproof film; 32. Second waterproof film; 33. Waterproof strip; 34. Waterproof base membrane; 35. Waterproof sheet. DETAILED DESCRIPTION

[0030] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-5 The present invention provides a gift box waterproof coating production process, comprising the following steps:

[0032] Step 1: Clean the gift box: Place the gift box to be coated on the cleaning device 1 to clean the impurities adhering to the surface by vibration or wind blowing;

[0033] Step 2: Place the gift box: Place the gift box in the vacuum device 2;

[0034] Step 3: vacuum setting: vacuum device 2 performs vacuum treatment;

[0035] Step 4: Coating equipment treatment: Treat the equipment for coating the surface of the gift box;

[0036] Step 5: Coating: Lay the waterproof film 3 on the surface of the gift box;

[0037] Step 6: Cooling: Cool the gift box after lamination, and then take out the cardboard for inspection.

[0038] In step 1, the cleaning device 1 includes a cleaning base 101 and a motor base 110. A placement table 106 is provided on the top of the cleaning base 101. One side of the top of the cleaning base 101 is fixedly connected to the bottom of the motor base 110. A wind blowing part 105 is fixedly installed on the other side of the top of the cleaning base 101. A movable groove 103 is opened in the middle of the top of the cleaning base 101. Two movable blocks 104 are slidably connected inside the movable groove 103. The tops of the two movable blocks 104 are rotatably connected with pull rods 112. A height plate 111 is fixedly installed in the middle of the bottom of the placement table 106. The tops of the two pull rods 112 are rotatably connected to the two ends of the height plate 111 respectively. Vibration springs 102 are fixedly installed on both sides of the bottom of the height plate 111. The bottom ends of the vibration springs 102 are fixedly connected to the side opposite to the cleaning base 101, and a connecting spring 113 is fixedly installed between the two pull rods 112. When the placement table 106 vibrates, the placement table 106 drives the height plate 111 to move synchronously, and the height plate 111 drives the pull rod 112 to deflect at an angle, and the pull rod 112 pushes the movable block 104 from one side, and the movable block 104 slides along the movable groove 103, and the two pull rods 112 pull the connecting springs 113 from both ends, and the connecting springs 113 are elastic, and the connecting springs 113 undergo elastic deformation to buffer the pulling force, and the placement table 106 squeezes the vibration spring 102, and the vibration spring 102 is elastic, and the vibration spring 102 undergoes elastic deformation to buffer the squeezing force.

[0039] A guardrail 107 is fixedly installed on one side of the top of the placement table 106, a connecting plate 108 is fixedly installed on one side of the top of the placement table 106, a vibration motor 109 is fixedly installed on the top of one side of the motor base 110, and the output end of the vibration motor 109 is fixedly connected to the side directly opposite to the connecting plate 108. The vibration motor 109 starts after being energized, and the vibration motor 109 drives the connecting plate 108 to move synchronously. The connecting plate 108 drives the placement table 106 to vibrate, and the gift box placed on the placement table 106 is vibrated and cleaned, and the guardrail 107 protects the gift box from the outside.

[0040] The wind blowing member 105 includes a wind blowing frame 1051 and an angle seat 1055. One side of the bottom end of the wind blowing frame 1051 is fixedly connected to the top end of the angle seat 1055. The angle seat 1055 is internally rotatably connected to an angle plate 1057. The bottom end of the angle plate 1057 is fixedly installed with a blowing cover 1056. The middle part of the bottom end of the wind blowing frame 1051 is rotatably connected to an angle cylinder 1058. The movable end of the angle cylinder 1058 is rotatably connected to a side opposite to the angle plate 1057. The top end of the wind blowing frame 1051 is fixedly installed with a fan 1052. The air inlet of the fan 1052 is fixedly connected to an extraction pipe 1053. The air outlet of the fan 1052 is fixedly connected to an extension pipe 1054. The conveying hose 1054 to the inside of the blowing hood 1056, the bottom end of the blowing frame 1051 is fixedly connected to the cleaning base 101, the fan 1052 is started after being powered on, the fan 1052 extracts the gas in the external environment through the extraction pipe 1053, and the extracted gas barrel conveying hose 1054 is transported to the blowing hood 1056, the blowing hood 1056 sprays the gas to clean the impurities adhered to the surface of the gift box, the angle cylinder 1058 performs telescopic and deflection movements, the angle cylinder 1058 pushes the angle plate 1057 from one side, so that the angle plate 1057 is deflected along the angle seat 1055, and the blowing angle of the blowing hood 1056 is adjusted.

[0041] In step 2, the vacuum device 2 includes a vacuum casing 21 and a processing table 27. The bottom end of the inner wall of the vacuum casing 21 is rotatably connected to the bottom end of the processing table 27. A vacuum table 22 is fixedly installed on one side of the vacuum casing 21. A vacuum pump 24 is fixedly installed on the top of the vacuum table 22. The air inlet of the vacuum pump 24 is fixedly connected to an exhaust pipe 25 extending to the inside of the vacuum casing 21. The air outlet of the vacuum pump 24 is fixedly connected to an external exhaust pipe 23 extending to the outside. A sealed door 26 is hinged on one side of the vacuum casing 21 away from the vacuum table 22. The user opens the sealed door 26 to place the gift box on the processing table 27, and then closes the sealed door 26. The vacuum pump 24 is started after power is turned on. The vacuum pump 24 extracts the gas in the vacuum casing 21 through the exhaust pipe 25, and the extracted gas is discharged to the outside through the external exhaust pipe 23 to ensure the vacuum property of the vacuum casing 21 itself.

[0042] The coating equipment treatment in step 4 specifically involves cleaning the target on the coating equipment and drying the target, and the temperature of the target itself reaches the preheating temperature to facilitate film layer laying.

[0043] In step five, the waterproof membrane 3 includes a first waterproof film 31 and a waterproof base membrane 34. A second waterproof film 32 is fixedly installed on the outer side of the waterproof base membrane 34. The outer side of the second waterproof film 32 is fixedly connected to the inner side of the first waterproof film 31. A plurality of waterproof sheets 35 are fixedly installed inside the first waterproof film 31. A plurality of waterproof strips 33 are fixedly installed at the connection between the second waterproof film 32 and the waterproof base membrane 34. The first waterproof film 31 is made of polyvinyl chloride material, the second waterproof film 32 is made of polypropylene material, the waterproof sheets 35 and the waterproof strips 33 are both made of polyethylene material, and the waterproof membrane 3 is waterproof layer by layer, thereby increasing the waterproof performance of the waterproof membrane 3 itself.

[0044] In the present invention, the gift box is placed on the placement table 106, and the fan 1052 is started after being powered on. The fan 1052 extracts gas from the external environment through the extraction pipe 1053, and the extracted gas barrel delivery hose 1054 is delivered to the blowing hood 1056. The blowing hood 1056 sprays gas to clean the impurities adhering to the surface of the gift box. The angle cylinder 1058 performs telescopic and deflection movements. The angle cylinder 1058 pushes the angle plate 1057 from one side, so that the angle plate 1057 deflects along the angle seat 1055, and the blowing angle of the blowing hood 1056 is adjusted. The vibration motor 109 is started after being powered on, and the vibration motor 109 drives the connecting plate 108 to move synchronously. The connecting plate 108 drives the placement table 106 to vibrate, and the placement table 106 is placed The gift box is vibrated and cleaned, the guardrail 107 protects the gift box from the outside, the connecting spring 113 is elastic, and the connecting spring 113 undergoes elastic deformation to buffer the pulling force, and the placement table 106 squeezes the vibration spring 102, the vibration spring 102 is elastic, and the vibration spring 102 undergoes elastic deformation to buffer the squeezing force, the user opens the sealing door 26 and places the gift box on the processing table 27, and then closes the sealing door 26, and the vacuum pump 24 is powered on and started, and the vacuum pump 24 extracts the gas in the vacuum casing 21 through the exhaust pipe 25, and the extracted gas is discharged to the outside through the external exhaust pipe 23 to ensure the vacuum of the vacuum casing 21 itself, and the waterproof film 3 is laid on the surface of the gift box, the gift box after filming is cooled, and then the cardboard is taken out for inspection.

[0045] 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 gift box waterproof coating production process, characterized in that: The following steps are involved: Step 1: Cleaning the gift box: placing the gift box to be coated on a cleaning device (1) to clean the impurities adhering to the surface by vibration or wind blowing; Step 2: Place the gift box: Place the gift box in the vacuum device (2); Step 3: vacuum setting: vacuum device (2) performs vacuum treatment; Step 4: Coating equipment treatment: Treat the equipment for coating the surface of the gift box; Step 5: Coating: Lay the waterproof film (3) on the surface of the gift box; Step 6: Cooling: Cool the gift box after lamination, and then take out the cardboard for inspection.

2. A gift box waterproof coating production process according to claim 1, characterized in that: The cleaning device (1) in step 1 comprises a cleaning base (101) and a motor base (110), a placing platform (106) is provided at the top of the cleaning base (101), one side of the top of the cleaning base (101) is fixedly connected to the bottom of the motor base (110), a wind blowing member (105) is fixedly installed at the other side of the top of the cleaning base (101), a movable groove (103) is provided in the middle of the top of the cleaning base (101), two movable blocks (104) are slidably connected inside the movable groove (103), and the two movable blocks (104) are provided in a movable manner. The top end of the movable block (104) is rotatably connected to a pull rod (112), a height plate (111) is fixedly installed in the middle of the bottom end of the placement table (106), the top ends of the two pull rods (112) are rotatably connected to the two ends of the height plate (111), and vibration springs (102) are fixedly installed on both sides of the bottom end of the height plate (111), the bottom ends of the two vibration springs (102) are fixedly connected to the side opposite to the cleaning base (101), and a connecting spring (113) is fixedly installed between the two pull rods (112).

3. A gift box waterproof coating production process according to claim 2, characterized in that: A guardrail (107) is fixedly mounted on one side of the top of the placement platform (106), a connecting plate (108) is fixedly mounted on one side of the top of the placement platform (106), a vibration motor (109) is fixedly mounted on the top of one side of the motor base (110), and an output end of the vibration motor (109) is fixedly connected to a side directly opposite to the connecting plate (108).

4. A gift box waterproof coating production process according to claim 2, characterized in that: The wind blowing member (105) comprises a wind blowing frame (1051) and an angle seat (1055); one side of the bottom end of the wind blowing frame (1051) is fixedly connected to the top end of the angle seat (1055); an angle plate (1057) is rotatably connected inside the angle seat (1055); a blowing cover (1056) is fixedly installed at the bottom end of the angle plate (1057); an angle cylinder (1058) is rotatably connected to the middle of the bottom end of the wind blowing frame (1051); the angle cylinder The movable end of the wind blowing frame (1058) is rotatably connected to the side opposite to the angle plate (1057); a fan (1052) is fixedly installed on the top of the wind blowing frame (1051); an air inlet of the fan (1052) is fixedly connected to an extraction pipe (1053); an air outlet of the fan (1052) is fixedly connected to a delivery hose (1054) extending to the inside of the spray hood (1056); and the bottom end of the wind blowing frame (1051) is fixedly connected to the cleaning base (101).

5. The process for producing a waterproof coating for a gift box according to claim 1, characterized in that: The vacuum device (2) in step 2 comprises a vacuum casing (21) and a processing table (27); the bottom end of the inner wall of the vacuum casing (21) is rotatably connected to the bottom end of the processing table (27); a vacuum table (22) is fixedly mounted on one side of the vacuum casing (21); a vacuum pump (24) is fixedly mounted on the top of the vacuum table (22); an air inlet of the vacuum pump (24) is fixedly connected to an exhaust pipe (25) extending to the inside of the vacuum casing (21); an air outlet of the vacuum pump (24) is fixedly connected to an exhaust pipe (23) extending to the outside; and a sealing door (26) is hingedly connected to a side of the vacuum casing (21) away from the vacuum table (22).

6. A gift box waterproof coating production process according to claim 1, characterized in that: The coating equipment treatment in step 4 specifically includes cleaning the target on the coating equipment and drying the target, and the temperature of the target itself reaches the preheating temperature to facilitate the laying of the film layer.

7. The process for producing a waterproof coating for a gift box according to claim 1, characterized in that: The waterproof membrane (3) in step five comprises a first waterproof film (31) and a waterproof base membrane (34); a second waterproof film (32) is fixedly mounted on the outer side of the waterproof base membrane (34); the outer side of the second waterproof film (32) is fixedly connected to the inner side of the first waterproof film (31); a plurality of waterproof sheets (35) are fixedly mounted inside the first waterproof film (31); and a plurality of waterproof strips (33) are fixedly mounted at the connection between the second waterproof film (32) and the waterproof base membrane (34).

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