Environment-friendly carton and preparation equipment thereof

Abstract

The invention discloses an environment-friendly carton and preparation equipment thereof, the environment-friendly carton comprises a carton body formed by cutting and folding a paperboard, the carton body comprises an outer paperboard layer, a middle corrugated layer and an inner paperboard layer, and the surface of the outer paperboard layer and the surface of the inner paperboard layer are both coated with damp-proof flame-retardant composite coatings; the moisture-proof flame-retardant composite coating is composed of a water-based acrylic resin layer, a nano silicon dioxide layer and an intumescent flame-retardant layer. The water-based acrylic resin is an environment-friendly high polymer material, takes water as a dispersion medium, has the characteristics of low VOC (volatile organic compound), no toxicity, nonflammability and the like, and can improve the strength and waterproofness of paper in paper treatment; the nano silicon dioxide can improve the moisture resistance of the paperboard; and the intumescent flame retardant can form a heat-insulating and oxygen-isolating carbon layer through thermal expansion to prevent combustion, so that the flame retardant property of the paper is improved.

Description

Technical Field

[0001] The present application relates to the technical field of corrugated paper boxes, and in particular to an environmentally friendly paper box and a preparation device thereof. Background Art

[0002] Corrugated cardboard is a common packaging material, widely used due to its lightweight, low-cost, and recyclable properties. However, traditional corrugated cardboard easily absorbs moisture and deforms in humid environments, reducing its strength. It is also flammable when exposed to open flames, posing a safety hazard. In recent years, the increasing demand for the transportation of electronic and chemical products has placed higher demands on the moisture-proof and flame-retardant properties of corrugated cardboard.

[0003] Some improved corrugated boxes are currently on the market. To address moisture resistance, existing technologies typically use waterproof coatings, such as polyethylene or wax coatings. However, these coatings are susceptible to wear and are environmentally unfriendly. Another approach is to add moisture-proofing agents to the pulp, but this can affect paper strength. For flame retardancy, adding flame retardants, such as aluminum hydroxide or phosphates, is a common approach. However, these flame retardants can reduce the paper's flexibility and compressive strength, impacting the box's mechanical properties.

[0004] Therefore, there is an urgent need for a carton that has both long-lasting environmentally friendly moisture-proof and flame-retardant properties and stable mechanical properties. Summary of the Invention

[0005] The purpose of this application is to provide an environmentally friendly carton and its preparation equipment, in order to solve the problem that conventional corrugated carton has poor moisture-proof and flame-retardant properties and poor mechanical properties.

[0006] Part I: This application provides an environmentally friendly carton that adopts the following technical solutions: A moisture-proof and flame-retardant composite coating is applied to the outer and inner cardboard layers. The outer and inner cardboard layers are coated with a moisture-proof and flame-retardant composite coating. The moisture-proof and flame-retardant composite coating is composed of a water-based acrylic resin layer, a nano-silica layer, and an intumescent flame-retardant layer.

[0007] By adopting the above technical solution, water-based acrylic resin is an environmentally friendly polymer material that uses water as a dispersion medium. It has the characteristics of low VOC (volatile organic compounds), non-toxicity, and non-flammability. In paper processing, it can improve the strength and water resistance of paper; nano-silica can improve the moisture resistance of cardboard; and intumescent flame retardants can form a heat-insulating and oxygen-isolating carbon layer by expanding when heated to prevent combustion, thereby improving the flame retardant properties of paper.

[0008] Optionally, the moisture-proof and flame-retardant composite coating is evenly coated on the surfaces of the outer paperboard layer and the inner paperboard layer, and then subjected to drying and pressing processes.

[0009] By adopting the above technical solution, an external coating device is used to evenly apply the moisture-proof and flame-retardant composite coating to the surface of the paperboard, an external drying device is used to quickly solidify the coating, and an external pressing device is used to press the multi-layer paperboard into shape. This process can improve paper production efficiency while improving paper performance.

[0010] The second part of the present application provides an environmentally friendly carton production device, which adopts the following technical solutions: A device for preparing an environmentally friendly carton comprises a transmission mechanism, a cutting mechanism and a control mechanism arranged on the transmission mechanism. One end of the transmission mechanism is provided with a bearing mechanism, and the bearing mechanism is provided with a material receiving mechanism.

[0011] By adopting the above technical solution, the material receiving mechanism is first adjusted according to the size of the box paper cut by the cutting mechanism, and then the material receiving mechanism is placed on the supporting mechanism, and the material receiving mechanism is aligned with the discharge end of the transmission mechanism, so that when the cutting equipment discharges the material, it can directly fall into the material receiving mechanism through the transmission mechanism for collection. After the collection is completed, the material receiving mechanism and the paper are transported by a forklift. The structure is simple and the operation is convenient, which effectively reduces the cost of manual collection of paper.

[0012] Optionally, the material receiving mechanism includes two material receiving seats relatively arranged on the supporting mechanism, a screw threadedly connected to the two material receiving seats, a limiting plate is provided on the opposite sides of the two material receiving seats, and a limiting rod and a limiting sleeve cooperating with the corresponding limiting rod are provided on the opposite sides of the two limiting plates.

[0013] By adopting the above technical solution, the two material receiving seats are driven to move toward or away from each other by rotating the screw and under the limit of the limit rod and the limit sleeve, thereby realizing the adjustment of the material receiving mechanism.

[0014] Optionally, a winding roller is rotatably provided on the upper side of one of the material receiving seats, a blocking belt is wound on the winding roller, one end of the blocking belt is fixed to the upper side of the other material receiving seat, and a first reset component is provided on the material receiving seat to drive the coupon receiving roller to reset and rotate; a blocking rod and a sliding groove cooperating with the corresponding blocking rod are provided on the opposite sides of the two material receiving seats; the blocking rod is located on the lower side of the blocking belt.

[0015] By adopting the above technical solution, a gap will be generated between the two material receiving seats during the mutual movement of the two material receiving seats. The blocking belt can cover the upper side of the two material receiving seats and thus cover the gap. At the same time, the blocking rod is located on the lower side of the blocking belt, which can improve the bearing strength of the blocking belt, making it easier for the material receiving seats to receive paper and reducing the situation where the paper is bent and creased during the receiving process.

[0016] When the two material receiving seats move away from each other, the barrier belt is pulled out from the coupon receiving roller, and the first reset member is elastically deformed and maintains a tendency to elastically reset; when the two material receiving seats move toward each other, the first reset member drives the winding roller to reset and rotate and rewind the barrier belt.

[0017] Optionally, the supporting mechanism includes a supporting seat, clamping plates relatively arranged on both sides of the supporting seat, and a driving member arranged on the supporting seat and driving the clamping plates to move toward or away from each other. A supporting groove for placing the material receiving mechanism is provided on the upper side of the supporting seat, and the supporting groove is arranged to penetrate away from the transmission mechanism.

[0018] By adopting the above technical solution, when the material receiving mechanism is located in the load-bearing groove, the driving member drives the clamping plates to move toward each other, so that the two clamping plates are clamped on both sides of the material receiving mechanism, thereby improving the stability of the material receiving mechanism during the material receiving process. After the material receiving mechanism completes the material receiving, the driving member drives the clamping plates to move away from each other.

[0019] Optionally, a connecting rod is provided at the lower end of the material receiving seat, and the connecting rod is provided with a fork slot, and a friction rotating shaft extending into the fork slot is rotatably provided on the groove wall of the fork slot, and a fixed shaft is provided on the upper side of the limit plate, and a rotating shaft sleeve is rotatably provided on the fixed shaft, and the rotating shaft sleeve is provided with a top rod that can be located between the two limit plates, and the friction rotating shaft and the rotating shaft sleeve are connected by a first connecting rope, the connecting rod is provided with a second reset component that drives the friction rotating shaft to reset and rotate, and the fixed shaft is provided with a third reset component that drives the rotating sleeve to reset and rotate.

[0020] By adopting the above technical solution, when the fork of the forklift enters the fork slot, the fork contacts the friction shaft to generate friction, which drives the friction shaft to rotate. The friction shaft reels the first connecting rope, and the first connecting rope drives the rotating shaft sleeve to rotate and unwind the first connecting rope. The second reset member and the third reset member are both in elastic deformation and maintain the tendency of elastic reset, so that the push rod rotates to the upper part between the two limit plates, thereby reducing the paper falling out from the top of the material receiving mechanism during transportation.

[0021] After transporting to the designated position, the fork moves out of the fork slot, driving the friction shaft to rotate in the opposite direction, the friction shaft unwinds the first connecting rope, the second reset member and the third reset member elastically reset, the rotating sleeve rotates and rewinds the first connecting rope, causing the push rod to rotate to just above the corresponding limit plate, making it easier for the staff to take out the paper from above the material receiving mechanism.

[0022] Optionally, the connecting rod is slidably provided with a brake block capable of extending into the fork slot, and the brake block is connected to the friction shaft via a second connecting rope.

[0023] By adopting the above technical solution, when the fork of the forklift enters the fork slot, the friction shaft reels the first connecting rope while also reeling in the second connecting rope, so that the brake block abuts against one side of the fork, which can provide friction between the connecting rod and the fork, and improve the stability of the material receiving mechanism during transportation.

[0024] Optionally, a sliding groove is provided at the lower end of the material receiving seat, the connecting rod is provided with a connecting block that slides with the sliding groove, a first elastic member is provided in the sliding groove to drive the connecting block to reset and slide, and a guide plate is provided at one end of the connecting rod, and the guide plate is provided at the notch of the fork groove.

[0025] By adopting the above technical solution, since the distance between the two forks of forklifts of different models and specifications is different, the guide plate can guide the forks into the fork slots, and at the same time can drive the connecting block to slide in the sliding slot, thereby driving the connecting rod to move along the extension direction of the sliding slot, thereby realizing the change of the distance between the two connecting rods and improving adaptability.

[0026] During the movement of the connecting rod, the distance between the friction shaft and the rotating sleeve also changes. When the distance becomes smaller, the friction shaft reels the first connecting rope under the action of the second reset member. When the distance becomes larger, the friction shaft unreels the first connecting rope under the action of the second reset member.

[0027] At the same time, after the fork exits the fork slot, the first elastic member drives the connecting block to reset and slide, and the friction shaft also reels or unreels the first connecting rope under the action of the second reset member, thereby improving the efficiency of resetting the connecting block.

[0028] Optionally, the brake block includes a sliding portion slidably disposed on the fork slot, and a braking portion slidably disposed on the sliding portion, and the sliding portion is provided with a second elastic member that drives the braking portion to reset and slide.

[0029] By adopting the above technical solution, the influence of the change in the distance between the two connecting rods on the brake block is reduced, and the situation where the brake part is too close to the fork when the fork enters the fork slot is reduced. The second elastic member has a certain buffering effect on the brake part.

[0030] In summary, this application includes at least one of the following beneficial technical effects: 1. Water-based acrylic resin is an environmentally friendly polymer material that uses water as a dispersion medium. It is low in VOC (volatile organic compounds), non-toxic, and non-flammable. In paper processing, it can improve the strength and water resistance of paper. Nano-silica can improve the moisture resistance of paperboard. Intumescent flame retardants can form a heat-insulating and oxygen-isolating carbon layer by expanding when heated to prevent combustion, thereby improving the flame retardancy of paper. 2. First, adjust the material receiving mechanism according to the size of the box paper cut by the cutting mechanism, then place the material receiving mechanism on the carrying mechanism, and align the material receiving mechanism with the discharge end of the transmission mechanism so that when the cutting device discharges the paper, it can directly fall into the material receiving mechanism through the transmission mechanism for collection. After the collection is completed, the material receiving mechanism and the paper are transported by a forklift. The structure is simple and the operation is convenient, which effectively reduces the cost of manual paper collection. 3. When the two receiving seats move relative to each other, a gap will be generated between them. The blocking belt can cover the upper side of the two receiving seats to cover the gap. At the same time, the blocking rod is located on the lower side of the blocking belt, which can improve the bearing strength of the blocking belt, making it easier for the receiving seats to receive paper and reducing the bending and creases of the paper during the receiving process. 4. When the fork of the forklift enters the fork slot, the fork contacts the friction shaft to generate friction, driving the friction shaft to rotate. The friction shaft reels the first connecting rope, and the first connecting rope drives the rotating shaft sleeve to rotate and unwind the first connecting rope. The second and third reset members are both in elastic deformation and maintain the tendency of elastic reset, causing the ejector rod to rotate to the upper part between the two limit plates, thereby reducing the risk of paper falling out from the upper part of the receiving mechanism during transportation. 5. Since the distance between the two forks of forklifts of different models and specifications is different, the guide plate can guide the forks into the fork slots, and at the same time can drive the connecting block to slide in the sliding slot, thereby driving the connecting rod to move in the extension direction of the sliding slot, thereby changing the distance between the two connecting rods and improving adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present application; Figure 2 This is a schematic diagram of the overall structure of Example 2 of the present application; Figure 3 2 is a schematic structural diagram of the supporting mechanism of Example 2 of the present application; Figure 4 Schematic diagram of the structure of the screw rod of Example 2 of the present application; Figure 5 2 is a schematic structural diagram of a baffle according to Example 2 of the present application; Figure 6This is a schematic structural diagram of the connecting rod of Example 2 of the present application; Figure 7 is a schematic cross-sectional view of a connecting rod according to Example 2 of the present application; Figure 8 It is a structural schematic diagram of the friction shaft and the rotating sleeve of Example 2 of the present application.

[0032] Explanation of reference numerals: 1. box body; 11. outer paperboard layer; 12. middle corrugated layer; 13. inner paperboard layer; 2. transmission mechanism; 3. cutting mechanism; 4. control mechanism; 5. bearing mechanism; 51. bearing seat; 52. clamping plate; 53. driving member; 54. bearing groove; 6. material receiving mechanism; 61. material receiving seat; 62. screw; 63. limiting plate; 64. limiting rod; 65. limiting sleeve; 66. sliding groove; 67. first elastic member; 7 , winding roller; 71, barrier belt; 72, first reset member; 73, barrier rod; 74, slide groove; 8, connecting rod; 81, fork groove; 82, friction shaft; 83, fixed shaft; 84, rotating sleeve; 85, push rod; 86, first connecting rope; 87, second reset member; 88, third reset member; 89, connecting block; 891, guide plate; 9, brake block; 91, second connecting rope; 92, sliding part; 93, brake part; 94, second elastic part. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1 -Attached Figure 7 This application is described in further detail. Example

[0034] Example 1 of the present application discloses an environmentally friendly carton.

[0035] Reference Figure 1 An environmentally friendly carton includes a box body 1 made of cardboard by cutting and folding. The box body 1 includes an outer cardboard layer 11, an intermediate corrugated layer 12, and an inner cardboard layer 13. The surfaces of the outer cardboard layer 11 and the inner cardboard layer 13 are coated with a moisture-proof and flame-retardant composite coating; the moisture-proof and flame-retardant composite coating is composed of a water-based acrylic resin layer, a nano-silica layer, and an intumescent flame-retardant layer. The water-based acrylic resin layer is made of water-based acrylic resin, the nano-silica layer is made of nano-silica, and the intumescent flame-retardant layer is made of intumescent flame retardant. Intumescent flame retardants mainly prevent combustion by expanding when heated to form a heat-insulating and oxygen-isolating carbon layer. The nano-silica is hydrophobic nano-silica.

[0036] The moisture-proof and flame-retardant composite coating is evenly applied to the outer paperboard layer 11 and the inner paperboard layer 13, and then undergoes drying and laminating processes. An external coating device is used to evenly apply the moisture-proof and flame-retardant composite coating to the paperboard surface, an external drying device is used to quickly cure the coating, and an external laminating device is used to press the multiple layers of paperboard into shape.

[0037] The implementation principle of an environmentally friendly carton in Example 1 of the present application is as follows: Water-based acrylic resin is an environmentally friendly polymer material that uses water as a dispersion medium. It has the characteristics of low VOC (volatile organic compounds), non-toxicity, and non-flammability. In paper processing, it can improve the strength and water resistance of paper; nano-silica can improve the moisture resistance of cardboard; and intumescent flame retardants can form a heat-insulating and oxygen-isolating carbon layer by expanding when heated to prevent combustion, thereby improving the flame retardancy of paper. Example

[0038] Example 2 of the present application discloses a device for preparing an environmentally friendly carton.

[0039] Reference Figure 2 、 Figure 3 An environmentally friendly carton production device includes a conveyor mechanism 2, a cutting mechanism 3 mounted on the conveyor mechanism 2, and a control mechanism 4. A support mechanism 5 is provided at one end of the conveyor mechanism 2, which is equipped with a material receiving mechanism 6. The conveyor mechanism 2 includes a frame, a conveyor belt mounted on the frame, and a drive motor for driving the conveyor belt. The cutting mechanism 3 is a conventional paper cutting device, and the control mechanism 4 is a controller mounted on the cutting mechanism 3 for controlling the operation of each mechanism.

[0040] Reference Figure 3 、 Figure 4 The material receiving mechanism 6 includes two material receiving seats 61 arranged relatively above the supporting mechanism 5, and screws 62 threadedly connected to the two material receiving seats 61. Threaded holes are provided on opposite sides of the two material receiving seats 61, one of which penetrates the other side of the corresponding material receiving seat 61. The screw 62 is threadedly connected to the two threaded holes and one end of the screw is passed through the other side of the corresponding material receiving seat 61. The two material receiving seats 61 are fixedly connected to the limiting plates 63 on the opposite sides of the two material receiving seats 61. The two limiting plates 63 are fixedly connected to the limiting rods 64 and the limiting sleeves 65 that cooperate with the corresponding limiting rods 64 on the opposite sides of the two limiting plates 63. The limiting rod 64 on one limiting plate 63 will be plugged into and cooperate with the limiting sleeve 65 of the other limiting plate 63, and so on.

[0041] Reference Figure 4 、 Figure 5The upper side of one receiving seat 61 is rotatably connected to a winding roller 7, on which a barrier belt 71 is wound. The barrier belt 71 is made of the same material as the conveyor belt and has a certain strength. One end of the barrier belt 71 is fixedly connected to the upper side of the other receiving seat 61. The receiving seat 61 is provided with a first reset member 72 that drives the ticket collecting roller to reset and rotate. The receiving seat 61 has a rotating groove, in which a fixed shaft is connected. The ticket collecting roller is rotatably connected to the fixed shaft. The first reset member 72 is a first torsion spring sleeved on the fixed shaft. One end of the first torsion spring is fixedly connected to the ticket collecting roller, and the other end is fixedly connected to the groove wall of the rotating groove. The two receiving seats 61 are fixedly connected to the opposite side of each other with a stop rod 73 and a slide groove 74 that cooperates with the corresponding stop rod 73. The stop rod 73 on one receiving seat 61 slides and cooperates with the slide groove 74 on the other receiving seat 61; the stop rod 73 is located on the lower side of the barrier belt 71.

[0042] Reference Figure 6 、 Figure 7 The supporting mechanism 5 includes a supporting base 51, clamping plates 52 that are slidably connected to the supporting base 51 on both sides, and driving members 53 disposed on the supporting base 51 and driving the clamping plates 52 toward or away from each other. The driving members 53 are two driving cylinders mounted on the supporting base 51 and engaged with the corresponding clamping plates 52. A supporting groove 54 is formed on the upper side of the supporting base 51 for the receiving mechanism 6 to be placed. The supporting groove 54 is disposed through the supporting base 51 and faces away from the transmission mechanism 2.

[0043] Reference Figure 7 、 Figure 8 The lower end of the receiving base 61 is provided with a connecting rod 8, which defines a fork slot 81 extending along the length of the connecting rod 8. A groove is defined in the wall of the fork slot 81, within which a friction shaft 82 is rotatably mounted, extending into the fork slot 81. A fixed shaft 83 is fixedly connected to the upper side of the limiting plate 63, on which a rotating sleeve 84 is rotatably mounted. A push rod 85, capable of being positioned between the two limiting plates 63, is fixedly connected to the circumferential sidewalls of the rotating sleeve 84. The friction shaft 82 and the rotating sleeve 84 are connected by a first connecting rope 86. The connecting rod 8 is provided with a second reset member 87 that drives the friction shaft 82 to return and rotate. A connecting shaft is fixedly connected in the groove, and the friction shaft 82 is sleeved on the connecting shaft. The second reset member 87 is a second torsion spring sleeved on the connecting shaft, with one end of the second torsion spring fixedly connected to the wall of the groove and the other end to the friction shaft 82. The fixed shaft 83 is provided with a third reset member 88 that drives the rotating sleeve 84 to reset and rotate. The third reset member 88 is a third torsion spring sleeved on the fixed shaft 83. One end of the third torsion spring is fixedly connected to the fixed shaft 83, and the other end is fixedly connected to the rotating sleeve 84.

[0044] Reference Figure 7 、 Figure 8A embedding groove is provided on the groove wall of the fork groove 81 , in which a brake block 9 capable of extending into the fork groove 81 is slidably connected. The brake block 9 is connected to the friction shaft 82 through a second connecting rope 91 .

[0045] Reference Figure 7 、 Figure 8 The lower end of the receiving base 61 defines a sliding groove 66. The upper end of the connecting rod 8 is fixedly connected to a connecting block 89 that slidably engages with the sliding groove 66. A first elastic member 67 is disposed within the sliding groove 66, driving the connecting block 89 to return and slide. This first elastic member 67 is a first spring, arranged along the extension of the sliding groove 66. One end of the first spring is fixedly connected to the wall of the sliding groove 66, and the other end is fixedly connected to the connecting block 89. One end of the connecting rod 8 is fixedly connected to a guide plate 891, which is disposed at the notch of the fork slot 81.

[0046] Reference Figure 7 、 Figure 8 The brake block 9 includes a sliding portion 92 that is slidably arranged in the embedded groove, and a braking portion 93 that is slidably arranged on the sliding portion 92. The sliding portion 92 is provided with a second elastic member 94 that drives the braking portion 93 to reset and slide. The second elastic member 94 is a second spring. One end of the second spring is fixedly connected to the sliding portion 92, and the other end is fixedly connected to the braking portion 93.

[0047] The implementation principle of the equipment for preparing an environmentally friendly carton in Example 2 of the present application is as follows: When the fork of the forklift enters the fork slot 81, the fork contacts the friction shaft 82 to generate friction, which drives the friction shaft 82 to rotate. The friction shaft 82 reels the first connecting rope 86, and the first connecting rope 86 drives the rotating shaft sleeve 84 to rotate and unwind the first connecting rope 86. The second reset member 87 and the third reset member 88 are both in a state of elastic deformation and maintain a tendency to elastically reset, so that the top rod 85 rotates to the upper part between the two limit plates 63, thereby reducing the paper from falling out from the upper part of the material receiving mechanism 6 during the transportation process.

[0048] After being transported to the designated position, the fork moves out of the fork slot 81, driving the friction shaft 82 to rotate in the opposite direction. The friction shaft 82 unwinds the first connecting rope 86, and the second reset member 87 and the third reset member 88 are elastically reset. The rotating sleeve 84 rotates and rewinds the first connecting rope 86, causing the push rod 85 to rotate to the top of the corresponding limit plate 63, making it convenient for the staff to take out the paper from the top of the material receiving mechanism 6.

[0049] Since the distance between the two forks of forklifts of different models and specifications is different, the guide plate 891 guides the forks into the fork slots 81, and at the same time drives the connecting block 89 to slide in the sliding slot 66, thereby driving the connecting rod 8 to move along the extension direction of the sliding slot 66, thereby realizing the change of the distance between the two connecting rods 8 and improving adaptability.

[0050] During the movement of the connecting rod 8, the distance between the friction shaft 82 and the rotating sleeve 84 also changes. When the distance becomes smaller, the friction shaft 82 reels the first connecting rope 86 under the action of the second reset member 87. When the distance becomes larger, the friction shaft 82 unreels the first connecting rope 86 under the action of the second reset member 87.

[0051] At the same time, after the fork exits the fork slot 81, the first elastic member 67 drives the connecting block 89 to slide back to its original position, and the friction shaft 82 also reels or unreels the first connecting rope 86 under the action of the second resetting member 87, thereby improving the efficiency of resetting the connecting block 89.

[0052] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An environmentally friendly carton, characterized by: The invention comprises a box body (1) made of cardboard by cutting and folding, wherein the box body (1) comprises an outer cardboard layer (11), an intermediate corrugated layer (12) and an inner cardboard layer (13), and the surfaces of the outer cardboard layer (11) and the inner cardboard layer (13) are coated with a moisture-proof and flame-retardant composite coating; the moisture-proof and flame-retardant composite coating comprises a water-based acrylic resin layer, a nano-silicon dioxide layer and an intumescent flame-retardant layer.

2. The environmentally friendly carton according to claim 1, characterized in that: The moisture-proof and flame-retardant composite coating is evenly coated on the surface of the outer paperboard layer (11) and the inner paperboard layer (13), and then undergoes drying and lamination processes.

3. A manufacturing device for producing the environmentally friendly carton according to any one of claims 1-2, characterized in that: The invention comprises a transmission mechanism (2), a cutting mechanism (3) and a control mechanism (4) arranged on the transmission mechanism (2); a carrying mechanism (5) is arranged at one end of the transmission mechanism (2); and the carrying mechanism (5) is provided with a material receiving mechanism (6).

4. The equipment for preparing the environmentally friendly carton according to claim 3, characterized in that: The material receiving mechanism (6) comprises two material receiving seats (61) arranged opposite to each other on the supporting mechanism (5), a screw (62) threadedly connected to the two material receiving seats (61), a limiting plate (63) being arranged on opposite sides of the two material receiving seats (61), and a limiting rod (64) and a limiting sleeve (65) cooperating with the corresponding limiting rod (64) being arranged on opposite sides of the two limiting plates (63).

5. The equipment for preparing the environmentally friendly carton according to claim 4, characterized in that: A winding roller (7) is rotatably provided on the upper side of one of the material receiving seats (61), and a blocking belt (71) is wound on the winding roller (7). One end of the blocking belt (71) is fixedly provided on the upper side of the other material receiving seat (61), and a first reset member (72) for driving the coupon receiving roller to reset and rotate is provided on the material receiving seat (61); a blocking rod (73) and a sliding groove (74) cooperating with the corresponding blocking rod (73) are provided on the opposite side of the two material receiving seats (61); the blocking rod (73) is located on the lower side of the blocking belt (71).

6. The equipment for preparing the environmentally friendly carton according to claim 4, characterized in that: The bearing mechanism (5) comprises a bearing seat (51), clamping plates (52) arranged on both sides of the bearing seat (51), and a driving member (53) arranged on the bearing seat (51) and driving the clamping plates (52) to move toward or away from each other. A bearing groove (54) for placing the material receiving mechanism (6) is provided on the upper side of the bearing seat (51), and the bearing groove (54) is arranged to penetrate the transmission mechanism (2) away from the transmission mechanism (2).

7. The equipment for preparing the environmentally friendly carton according to claim 4, characterized in that: The lower end of the material receiving seat (61) is provided with a connecting rod (8), the connecting rod (8) is provided with a fork groove (81), a friction shaft (82) extending into the fork groove (81) is rotatably provided on the groove wall of the fork groove (81), a fixed shaft (83) is provided on the upper side of the limit plate (63), a rotating shaft sleeve (84) is rotatably provided on the fixed shaft (83), the rotating shaft sleeve (84) is provided with a top rod (85) capable of being located between the two limit plates (63), the friction shaft (82) and the rotating shaft sleeve (84) are connected by a first connecting rope (86), the connecting rod (8) is provided with a second reset member (87) for driving the friction shaft (82) to reset and rotate, and the fixed shaft (83) is provided with a third reset member (88) for driving the rotating shaft sleeve (84) to reset and rotate.

8. The equipment for preparing the environmentally friendly carton according to claim 7, characterized in that: The connecting rod (8) is slidably provided with a brake block (9) capable of extending into the fork groove (81), and the brake block (9) is connected to the friction shaft (82) via a second connecting rope (91).

9. The equipment for preparing the environmentally friendly carton according to claim 7, characterized in that: The lower end of the material receiving seat (61) is provided with a sliding groove (66), the connecting rod (8) is provided with a connecting block (89) that slides and cooperates with the sliding groove (66), and a first elastic member (67) is provided in the sliding groove (66) for driving the connecting block (89) to reset and slide. One end of the connecting rod (8) is provided with a guide plate (891), and the guide plate (891) is arranged at the notch of the fork groove (81).

10. The equipment for preparing the environmentally friendly carton according to claim 1, characterized in that: The brake block (9) comprises a sliding portion (92) slidably arranged on the fork slot (81), and a braking portion (93) slidably arranged on the sliding portion (92); the sliding portion (92) is provided with a second elastic member (94) for driving the braking portion (93) to reset and slide.

Images