Environment-friendly packaging color box with high sealing performance and production process thereof

Abstract

The invention discloses a high-sealing-performance environment-friendly packaging color box and a production technology thereof.The high-sealing-performance environment-friendly packaging color box comprises a bottom box, a top cover is arranged at the top end of the bottom box, and first sealing assemblies are installed at the two ends of the two sides between the bottom box and the top cover correspondingly. A first magnetic strip on a direction plate is magnetically attracted to a second magnetic strip, assembling of the first sealing table and the second sealing table is completed, a user rotates along a rotating shaft through a mounting block, the mounting block drives a sealing plate to move synchronously, then the user slides a lifting block along a lifting groove, a sealing plug is clamped into a locking groove, and the sealing table and the second sealing table are assembled. Assembling of the second sealing assembly is completed, and the sealing assembly reinforces and seals the environment-friendly packaging color box from the outer side; by arranging the positioning plates, the clamping blocks, the clamping columns and the assembling plates, the inner side of the environment-friendly packaging color box is reinforced and sealed, the sealing performance of the packaging color box is improved, and the high sealing requirement of people for products is met.

Description

Technical Field

[0001] The invention relates to the technical field of environmentally friendly packaging color boxes, in particular to an environmentally friendly packaging color box with high sealing performance and a production process thereof. Background Art

[0002] Environmentally friendly packaging boxes usually use renewable materials, such as recycled paper or environmentally friendly cardboard, which reduces dependence on forest resources and conforms to the concept of sustainable development. These materials can be recycled and reused after use, reducing the generation of waste and reducing environmental pollution. The structural design of environmentally friendly packaging boxes is usually very strong, which can provide excellent compression resistance and impact resistance, and effectively protect the contents from damage. For example, honeycomb cardboard packaging gift boxes adopt a honeycomb structure, which has good cushioning and shock absorption properties, and can effectively protect the contents during transportation. The design of environmentally friendly packaging boxes is very flexible and can be customized according to different needs. They are easy to cut and shape, and can undergo a variety of surface treatments to enhance the appearance and quality. Brand image. In addition, the environmentally friendly color box printing industry is also constantly improving, using sustainable environmentally friendly paper and environmentally friendly inks to reduce the emission of volatile organic compounds (VOCs), making color boxes healthier and safer. Environmentally friendly packaging color boxes have significant cost-effectiveness in the production and transportation process. They are easy to fold and lay flat, saving warehouse costs; they are light and easy to transport and load and unload, saving logistics and transportation costs. In addition, the use of environmentally friendly materials also reduces the company's operating costs and environmental governance costs. Packaging color boxes made of environmentally friendly materials can convey the brand's environmental protection concept and social responsibility, enhance the brand image and consumer favorability. This innovative design not only reflects the brand's innovative spirit, but also establishes a positive consumer impression.

[0003] An easily detachable gift box (publication number CN222117373U) has been disclosed, comprising a bottom plate, a box body is fixedly connected to the upper end of the bottom plate, a box cover is fixedly connected to the rear side of the upper end of the box body, a magnetic male buckle is fixedly connected to the front of the box body, a magnetic female buckle is fixedly connected to the triangular plate of the box cover, a fixing rod is slidably connected to the inside of the box body, a fixing plate is threadedly connected to the outside of the fixing rod, the fixing plate is in contact with the box body, a connecting belt is fixedly connected to the end face of the fixing rod away from the fixing plate, the connecting belt is in contact with the box body, and a reinforcing rib is fixedly connected to the inner side wall of the box body. The utility model can easily dismantle the box cover of the gift box by setting the magnetic male buckle and the magnetic female buckle, fix the connecting belt under the action of the fixing rod and the fixing plate, and improve the connection strength of the connecting belt, thereby improving the force effect and durability of the connecting belt.

[0004] And a green and environmentally friendly packaging color box printing process is disclosed, the publication number is CN115214248A, including the following steps: step one: embossing treatment: processing the printed substrate on a specific texture roller; step two: UV treatment: grinding the printed substrate; step three: UV coloring: mixing glitter powder into UV ink and printing; step four: hot stamping treatment: making a concave and convex mold and pressurizing; step five: glazing treatment: applying a coating on the surface of the printed product; step six: edge brushing treatment: brushing color on the edge of the printed product and drying it; step seven: laminating treatment: laminating a transparent plastic film to the surface of the printed product by hot pressing. The present invention solves the problems of complicated existing processes and high costs, and solves the problem of volatile gases that pollute the environment after the transparent plastic film falls off and after falling off, achieving the purpose of no pollution and maximizing benefits, and achieving the purpose of green and environmentally friendly production.

[0005] However, the above-mentioned environmentally friendly packaging color box has the following disadvantages:

[0006] Traditional environmentally friendly packaging boxes have poor sealing effects. External environmental gases penetrate into the packaging boxes and corrode the products inside, affecting the preservation of the products. Summary of the invention

[0007] The purpose of the present invention is to provide a highly sealed environmentally friendly packaging color box and its production process, so as to solve the problem mentioned in the above background technology that the traditional environmentally friendly packaging color box has poor sealing effect, the external environment gas penetrates into the packaging color box to corrode the product in the packaging color box, and affects the preservation effect of the product.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a highly sealed environmentally friendly packaging color box, comprising a bottom box, a top cover is provided at the top of the bottom box, first sealing components are installed at both ends of the two sides between the bottom box and the top cover, second sealing components are installed in the middle of the two sides between the bottom box and the top cover, four corners of the bottom end of the top cover are fixedly installed with length rods, the middle parts of the four length rods are provided with card slots, four corners of the top end of the bottom box are provided with first connecting grooves, one side of the four first connecting grooves is provided with second connecting grooves, the middle part of the top end of the bottom box is provided with a storage groove, assembly plates are fixedly installed on both sides of the inner wall of the storage groove, and first assembly grooves are provided on both sides of the bottom end of the top cover.

[0009] As a preferred technical solution of the present invention, the four first sealing components all include a first sealing platform and a direction plate, a second sealing platform is provided at the bottom end of the first sealing platform, the middle part of one side of the first sealing platform is rotatably connected to the top end of one side of the direction plate, a first magnetic strip is fixedly installed at the bottom end of one side of the direction plate, a second magnetic strip is fixedly installed on one side of the second sealing platform, the first magnetic strip is magnetically connected to the second magnetic strip, a handle is fixedly installed at the middle part of the direction plate, and the user rotates the direction plate, and the first magnetic strip on the direction plate is magnetically adsorbed on the second magnetic strip, thereby completing the assembly of the first sealing platform and the second sealing platform.

[0010] As a preferred technical solution of the present invention, the side of the first sealing platform away from the direction plate is fixedly connected to the top cover, the side of the second sealing platform away from the second magnetic strip is fixedly connected to the bottom box, the first sealing assembly is installed on the top cover through the first sealing platform, and the first sealing assembly is installed on the bottom box through the second sealing platform.

[0011] As a preferred technical solution of the present invention, the second sealing assembly includes two first limit plates and a rotating shaft, and the opposite sides of the two first limit plates are fixedly connected to the two ends of the rotating shaft respectively, the middle part of the rotating shaft is rotatably connected with a mounting block, a sealing plate is fixedly installed on one side of the mounting block, a locking groove is opened in the middle of the sealing plate, a locking plate is provided at the bottom end of the rotating shaft, a lifting groove is opened in the middle of the locking plate, a lifting block is slidably connected inside the lifting groove, a sealing plug is fixedly installed on one side of the lifting block, a return spring is fixedly installed at the bottom end of the lifting block, the bottom end of the return spring is fixedly connected to the bottom end of the inner wall of the lifting groove, the locking groove and the sealing plug are correspondingly arranged, the user rotates the mounting block along the rotating shaft, the mounting block drives the sealing plate to move synchronously, and then the user slides the lifting block along the lifting groove so that the sealing plug is stuck in the locking groove to complete the assembly of the second sealing assembly.

[0012] As a preferred technical solution of the present invention, one end of the two first limiting plates is fixedly connected to the top cover, one side of the locking plate is fixedly connected to the bottom box, the second sealing assembly is installed on the top cover through the limiting plate, and the second sealing assembly is installed on the bottom box through the locking plate.

[0013] As a preferred technical solution of the present invention, a positioning plate is fixedly installed inside the four second connecting grooves, a supporting spring is fixedly installed on one side of the four positioning plates, a supporting platform is fixedly installed on the side of the supporting spring away from the positioning plate, a clamping block is fixedly installed on one side of the support platform, and the four clamping blocks are respectively arranged corresponding to the four clamping grooves. In the process of the positioning plate approaching the first connecting groove, the positioning plate squeezes the clamping block from one side, and the clamping block squeezes the supporting spring through the support platform. The supporting spring is elastic, and the support spring undergoes elastic deformation to buffer the extrusion force.

[0014] As a preferred technical solution of the present invention, a second limit plate is fixedly installed on the top of the inner walls of the two first assembly grooves, and a height shell is fixedly installed on both sides of the bottom end of the second limit plate. A height spring is fixedly installed on the top of the inner walls of the two height shells. The interiors of the two height shells are slidably connected with movable plates, and the bottom ends of the two height springs are respectively fixedly connected to the tops of the two movable plates, and the bottom ends of the two movable plates are fixedly installed with clamping columns. Second assembly grooves are opened on both sides of the top of the assembly plate, and the two clamping columns are respectively arranged corresponding to the two second assembly grooves. The movable plate slides along the height shell, and the movable plate squeezes the height spring from the bottom. The height spring is elastic, and the height spring undergoes elastic deformation to buffer the extrusion force, and the movable plate drives the clamping column to be clamped into the assembly groove.

[0015] The present invention provides a production process for a highly airtight environmentally friendly packaging color box, comprising the following steps:

[0016] Step 1, raw material preparation: collect broad-leaved tree leaves and rice straw, wash, chop, dry and crush them in sequence to obtain powder, then spray 30% sodium hydroxide solution on the powder, heat to 60-80°C in a closed environment for 8-10 minutes, then filter and dry again to obtain raw materials, filter out the obtained alkali solution for standby use;

[0017] Step 2, adhesive preparation: first mix soybean powder and water by weight, heat to 25-50°C, keep for 20-45min, then heat to 40-65°C, add calcium sulfate and 30% hydrochloric acid, react for 0-35min, then cool to 25-30°C, add alkali solution for neutralization, react for 30-35min, finally homogenize the reacted mixture for 5-8min, set the pressure to 1-2MPa, and obtain the adhesive;

[0018] Step 3: Hot pressing: the raw materials and adhesive are mixed evenly in a weight ratio of (4-8):1, and hot pressed to obtain a thickness of 1-3 mm and a basis weight of 1250-2500 g / m.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. By setting the first sealing assembly and the second sealing assembly, the user rotates the direction plate, and the first magnetic strip on the direction plate is magnetically adsorbed on the second magnetic strip, completing the assembly of the first sealing platform and the second sealing platform. The user rotates the mounting block along the rotating shaft, and the mounting block drives the sealing plate to move synchronously. Then the user slides the lifting block along the lifting groove, so that the sealing plug is stuck in the locking groove, completing the assembly of the second sealing assembly. The sealing assembly reinforces and seals the environmentally friendly packaging color box from the outside;

[0021] 2. By setting positioning plates, card blocks, card columns and assembly plates, the inner side of the environmentally friendly packaging box is reinforced and sealed to improve the sealing of the packaging box itself and meet people's high sealing requirements for the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a side view of the present invention;

[0023] Figure 2 It is a partial schematic diagram of the present invention;

[0024] Figure 3 is a side view of the top cover of the present invention;

[0025] Figure 4 is a three-dimensional diagram of a first sealing assembly of the present invention;

[0026] Figure 5 is a three-dimensional diagram of a second sealing assembly of the present invention;

[0027] Figure 6 It is a flow chart of the present invention.

[0028] In the figure: 1, top cover; 2, bottom box; 3, first sealing assembly; 31, first sealing platform; 32, direction plate; 33, handle; 34, second sealing platform; 35, second magnetic strip; 36, first magnetic strip; 4, second sealing assembly; 401, first limit plate; 402, rotating shaft; 403, mounting block; 404, sealing plate; 405, locking groove; 406, locking plate; 407, lifting groove; 408, lifting block; 409, sealing plug; 410, reset spring; 5, second connecting groove; 6, first connecting groove; 7, assembly plate; 8, second assembly groove; 9, positioning plate; 10, support spring; 11, support platform; 12, block; 13, length rod; 14, first assembly groove; 15, second limit plate; 16, height shell; 17, height spring; 18, clamping column; 19, movable plate; 20, clamping groove; 21, storage groove. DETAILED DESCRIPTION

[0029] 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.

[0030] See also Figure 1-6The present invention provides an environmentally friendly packaging color box with high sealing performance, including a bottom box 2, a top cover 1 is provided at the top of the bottom box 2, first sealing components 3 are installed at both ends of both sides between the bottom box 2 and the top cover 1, second sealing components 4 are installed in the middle of both sides between the bottom box 2 and the top cover 1, four corners of the bottom end of the top cover 1 are fixedly installed with length rods 13, the middle of the four length rods 13 are provided with card slots 20, four corners of the top end of the bottom box 2 are provided with first connecting grooves 6, one side of the four first connecting grooves 6 is provided with a second connecting groove 5, a storage groove 21 is provided in the middle of the top end of the bottom box 2, assembly plates 7 are fixedly installed on both sides of the inner wall of the storage groove 21, and first assembly grooves 14 are provided on both sides of the bottom end of the top cover 1.

[0031] The four first sealing components 3 all include a first sealing platform 31 and a direction plate 32. A second sealing platform 34 is provided at the bottom end of the first sealing platform 31. The middle part of one side of the first sealing platform 31 is rotatably connected to the top end of one side of the direction plate 32. A first magnetic strip 36 is fixedly installed at the bottom end of one side of the direction plate 32. A second magnetic strip 35 is fixedly installed on one side of the second sealing platform 34. The first magnetic strip 36 is magnetically connected to the second magnetic strip 35. A handle 33 is fixedly installed in the middle part of the direction plate 32. When a user rotates the direction plate 32, the first magnetic strip 36 on the direction plate 32 is magnetically adsorbed on the second magnetic strip 35, thereby completing the assembly of the first sealing platform 31 and the second sealing platform 34.

[0032] The first sealing platform 31 is fixedly connected to the top cover 1 on one side away from the direction plate 32, the second sealing platform 34 is fixedly connected to the bottom box 2 on one side away from the second magnetic strip 35, the first sealing assembly 3 is installed on the top cover 1 through the first sealing platform 31, and the first sealing assembly 3 is installed on the bottom box 2 through the second sealing platform 34.

[0033] The second sealing assembly 4 includes two first limiting plates 401 and a rotating shaft 402. The opposite sides of the two first limiting plates 401 are fixedly connected to the two ends of the rotating shaft 402 respectively. The middle part of the rotating shaft 402 is rotatably connected with a mounting block 403. A sealing plate 404 is fixedly installed on one side of the mounting block 403. A locking groove 405 is provided in the middle of the sealing plate 404. A locking plate 406 is provided at the bottom end of the rotating shaft 402. A lifting groove 407 is provided in the middle of the locking plate 406. A lifting block 408 is slidably connected to the interior of the lifting groove 407. The lifting block 408 is fixedly installed on the one side of the mounting block 403. A locking groove 405 is provided in the middle of the sealing plate 404. A sealing plug 409 is fixedly installed on one side of 08, and a return spring 410 is fixedly installed on the bottom end of the lifting block 408. The bottom end of the return spring 410 is fixedly connected to the bottom end of the inner wall of the lifting groove 407. The locking groove 405 is correspondingly arranged with the sealing plug 409. The user rotates the mounting block 403 along the rotating shaft 402, and the mounting block 403 drives the sealing plate 404 to move synchronously. Then the user slides the lifting block 408 along the lifting groove 407, so that the sealing plug 409 is stuck in the locking groove 405, and the assembly of the second sealing component 4 is completed.

[0034] One end of the two first limiting plates 401 is fixedly connected to the top cover 1, one side of the locking plate 406 is fixedly connected to the bottom box 2, the second sealing assembly 4 is installed on the top cover 1 through the first limiting plates 401, and the second sealing assembly 4 is installed on the bottom box 2 through the locking plate 406.

[0035] A positioning plate 9 is fixedly installed inside the four second connecting grooves 5, a supporting spring 10 is fixedly installed on one side of the four positioning plates 9, a supporting platform 11 is fixedly installed on the side of the supporting spring 10 away from the positioning plate 9, a clamping block 12 is fixedly installed on one side of the supporting platform 11, and the four clamping blocks 12 are respectively arranged corresponding to the four clamping grooves 20. In the process of the positioning plate 9 approaching the first connecting groove 6, the positioning plate 9 squeezes the clamping block 12 from one side, and the clamping block 12 squeezes the supporting spring 10 through the supporting platform 11. The supporting spring 10 is elastic, and the supporting spring 10 undergoes elastic deformation to buffer the squeezing force.

[0036] A second limiting plate 15 is fixedly installed on the top of the inner wall of the two first assembly grooves 14, and a height shell 16 is fixedly installed on both sides of the bottom end of the second limiting plate 15. A height spring 17 is fixedly installed on the top of the inner wall of the two height shells 16. A movable plate 19 is slidably connected to the inside of the two height shells 16. The bottom ends of the two height springs 17 are respectively fixedly connected to the top of the two movable plates 19, and a clamping column 18 is fixedly installed on the bottom end of the two movable plates 19. Second assembly grooves 8 are provided on both sides of the top of the assembly plate 7. The two clamping columns 18 are respectively arranged corresponding to the two second assembly grooves 8. The movable plate 19 slides along the height shell 16, and the movable plate 19 squeezes the height spring 17 from the bottom. The height spring 17 is elastic, and the height spring 17 undergoes elastic deformation to buffer the extrusion force. The movable plate 19 drives the clamping column 18 to clamp into the second assembly groove 8.

[0037] The present invention provides a production process for a highly airtight environmentally friendly packaging color box, comprising the following steps:

[0038] Step 1, raw material preparation: collect broad-leaved tree leaves and rice straw, wash, chop, dry and crush them in sequence to obtain powder, then spray 30% sodium hydroxide solution on the powder, heat to 60-80°C in a closed environment for 8-10 minutes, then filter and dry again to obtain raw materials, filter out the obtained alkali solution for standby use;

[0039] Step 2, adhesive preparation: first mix soybean powder and water by weight, heat to 25-50°C, keep for 20-45min, then heat to 40-65°C, add calcium sulfate and 30% hydrochloric acid, react for 0-35min, then cool to 25-30°C, add alkali solution for neutralization, react for 30-35min, finally homogenize the reacted mixture for 5-8min, set the pressure to 1-2MPa, and obtain the adhesive;

[0040] Step 3: Hot pressing: the raw materials and adhesive are mixed evenly in a weight ratio of (4-8):1, and hot pressed to obtain a thickness of 1-3 mm and a basis weight of 1250-2500 g / m.

[0041] In the present invention, broad-leaved tree leaves and rice straw are collected, washed, chopped, dried and crushed in sequence to obtain powder, and then 30% sodium hydroxide solution is sprayed on the powder, heated to 60-80°C in a closed environment for 8-10 minutes, then filtered and dried again to obtain a raw material, and the obtained alkali solution is filtered out for standby use; by weight, soybean powder and water are first mixed, heated to 25-50°C for 20-45 minutes, then heated to 40-65°C, calcium sulfate and 30% hydrochloric acid are added, reacted for 0-35 minutes, then cooled to 25-30°C, alkali solution is added for neutralization, and reacted for 30-35 minutes, and finally the mixture after the reaction is homogenized for 5-8 minutes, and the pressure is set to 1-2MPa to obtain an adhesive; the raw material and the adhesive are mixed in a weight ratio of (4-8):1 The thickness is 1-3mm and the quantity is 1250-2500g / m by hot pressing. The user rotates the direction plate 32, and the first magnetic strip 36 on the direction plate 32 is magnetically adsorbed on the second magnetic strip 35, completing the assembly of the first sealing platform 31 and the second sealing platform 34. The user rotates along the rotating shaft 402 through the mounting block 403, and the mounting block 403 drives the sealing plate 404 to move synchronously. Then the user slides the lifting block 408 along the lifting groove 407, so that the sealing plug 409 is stuck in the locking groove 405, completing the assembly of the second sealing component 4. In the process of the positioning plate 9 approaching the first connecting groove 6, the positioning plate 9 squeezes the block 12 from one side, and the block 12 squeezes the support spring 10 through the support platform 11. The support spring 10 is elastic, and the support spring 10 undergoes elastic deformation to buffer the extrusion force.

[0042] 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 highly airtight environmentally friendly packaging color box, comprising a bottom box (2), characterized in that: The top of the bottom box (2) is provided with a top cover (1), both ends of both sides between the bottom box (2) and the top cover (1) are installed with first sealing assemblies (3), the middle of both sides between the bottom box (2) and the top cover (1) are installed with second sealing assemblies (4), four corners of the bottom end of the top cover (1) are fixedly installed with length rods (13), the middle of the four length rods (13) are provided with card slots (20), the four corners of the top end of the bottom box (2) are provided with first connecting grooves (6), one side of the four first connecting grooves (6) is provided with a second connecting groove (5), the middle of the top end of the bottom box (2) is provided with a storage groove (21), both sides of the inner wall of the storage groove (21) are fixedly installed with assembly plates (7), and both sides of the bottom end of the top cover (1) are provided with first assembly grooves (14).

2. The highly airtight environmentally friendly packaging color box according to claim 1, characterized in that: The four first sealing assemblies (3) each comprise a first sealing platform (31) and a direction plate (32); a second sealing platform (34) is provided at the bottom end of the first sealing platform (31); a middle portion of one side of the first sealing platform (31) is rotatably connected to a top portion of one side of the direction plate (32); a first magnetic strip (36) is fixedly mounted at the bottom end of one side of the direction plate (32); a second magnetic strip (35) is fixedly mounted on one side of the second sealing platform (34); the first magnetic strip (36) is magnetically connected to the second magnetic strip (35); and a handle (33) is fixedly mounted at the middle portion of the direction plate (32).

3. The highly airtight environmentally friendly packaging color box according to claim 2, characterized in that: The side of the first sealing platform (31) away from the direction plate (32) is fixedly connected to the top cover (1), and the side of the second sealing platform (34) away from the second magnetic strip (35) is fixedly connected to the bottom box (2).

4. The highly airtight environmentally friendly packaging color box according to claim 1, characterized in that: The second sealing assembly (4) comprises two first limiting plates (401) and a rotating shaft (402), the opposite sides of the two first limiting plates (401) are respectively fixedly connected to the two ends of the rotating shaft (402), the middle part of the rotating shaft (402) is rotatably connected with a mounting block (403), one side of the mounting block (403) is fixedly mounted with a sealing plate (404), the middle part of the sealing plate (404) is provided with a locking groove (405), and the bottom end of the rotating shaft (402) is provided with a locking plate (405). 06), a lifting groove (407) is provided in the middle of the locking plate (406), a lifting block (408) is slidably connected inside the lifting groove (407), a sealing plug (409) is fixedly installed on one side of the lifting block (408), a return spring (410) is fixedly installed at the bottom end of the lifting block (408), the bottom end of the return spring (410) is fixedly connected to the bottom end of the inner wall of the lifting groove (407), and the locking groove (405) and the sealing plug (409) are correspondingly arranged.

5. The highly airtight environmentally friendly packaging color box according to claim 4, characterized in that: One end of each of the two first limiting plates (401) is fixedly connected to the top cover (1), and one side of the locking plate (406) is fixedly connected to the bottom box (2).

6. The highly airtight environmentally friendly packaging color box according to claim 1, characterized in that: A positioning plate (9) is fixedly installed inside each of the four second connecting grooves (5); a support spring (10) is fixedly installed on one side of the four positioning plates (9); a support platform (11) is fixedly installed on the side of the support spring (10) away from the positioning plate (9); a clamping block (12) is fixedly installed on one side of the support platform (11); and the four clamping blocks (12) are respectively arranged corresponding to the four clamping grooves (20).

7. The highly airtight environmentally friendly packaging color box according to claim 1, characterized in that: A second limiting plate (15) is fixedly installed on the top of the inner wall of the two first assembly grooves (14), a height shell (16) is fixedly installed on both sides of the bottom end of the second limiting plate (15), a height spring (17) is fixedly installed on the top of the inner wall of the two height shells (16), a movable plate (19) is slidably connected inside the two height shells (16), the bottom ends of the two height springs (17) are respectively fixedly connected to the top of the two movable plates (19), and a clamping column (18) is fixedly installed on the bottom end of the two movable plates (19), and a second assembly groove (8) is opened on both sides of the top of the assembly plate (7), and the two clamping columns (18) are respectively arranged corresponding to the two second assembly grooves (8).

8. The production process of a highly airtight environmentally friendly packaging color box according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step 1, raw material preparation: collect broad-leaved tree leaves and rice straw, wash, chop, dry and crush them in sequence to obtain powder, then spray 30% sodium hydroxide solution on the powder, heat to 60-80°C in a closed environment for 8-10 minutes, then filter and dry again to obtain raw materials, filter out the obtained alkali solution for standby use; Step 2, adhesive preparation: first mix soybean powder and water by weight, heat to 25-50°C, keep for 20-45min, then heat to 40-65°C, add calcium sulfate and 30% hydrochloric acid, react for 0-35min, then cool to 25-30°C, add alkali solution for neutralization, react for 30-35min, finally homogenize the reacted mixture for 5-8min, set the pressure to 1-2MPa, and obtain the adhesive; Step 3: Hot pressing: the raw materials and adhesive are mixed evenly in a weight ratio of (4-8):1, and hot pressed to obtain a thickness of 1-3 mm and a basis weight of 1250-2500 g / m.

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