阅读说明：本技术 一种防水软塑料包装箱的制作方法 (Manufacturing method of waterproof soft plastic packaging box ) 是由 林平 于 2020-04-29 设计创作，主要内容包括：本发明公开了防水软塑料包装箱的制作方法,该包装箱的制作步骤如下：(1)将塑料板材裁切成型；(2)将裁切成型的主板以及左侧板放置在第一热封装置上进行热封；(3)重复步骤2将底板另一侧的第一连接部与右侧板进行热封；(4)将热封后的完整板体放置在第二热封装置,对前侧板两侧的第二连接部以及左侧板、右侧板进行热封；(5)重复步骤4将后侧板两侧的第三连接部与左侧板、右侧板进行热封,即形成包装箱成品；包装箱由主板以及两个侧板组成,主板与侧板之间采用热封连接,各个侧板之间同样采用热封连接,热封过后两者之间的缝隙完全密封,可起到有效的防水作用；采用热封装置进行组装,组装流程快捷,生产效率高,相比于人工热封连接具有更好的连接质量。(The invention discloses a manufacturing method of a waterproof soft plastic packing box, which comprises the following steps: (1) cutting and molding the plastic plate; (2) placing the cut main board and the left side board on a first heat sealing device for heat sealing; (3) repeating the step 2 to carry out heat sealing on the first connecting part at the other side of the bottom plate and the right side plate; (4) placing the complete plate body after heat sealing in a second heat sealing device, and performing heat sealing on a second connecting part at two sides of the front side plate, the left side plate and the right side plate; (5) repeating the step 4, and performing heat sealing on the third connecting parts on the two sides of the rear side plate, the left side plate and the right side plate to form a finished packaging box product; the packing box consists of a main board and two side boards, the main board is connected with the side boards in a heat-sealing manner, the side boards are also connected in a heat-sealing manner, and gaps between the main board and the side boards are completely sealed after the heat-sealing, so that an effective waterproof effect can be achieved; adopt sealing device to assemble, the equipment flow is swift, and production efficiency is high, compares and has better connection quality in artifical heat-seal connection.)

1. A manufacturing method of a waterproof soft plastic packing box is characterized in that the manufacturing steps of the packing box are as follows:

(1) cutting the plastic plate into a shape, respectively cutting a main plate, a left side plate and a right side plate, reserving a first connecting part, a second connecting part and a third connecting part on two sides of a corresponding bottom plate, a front side plate and a rear side plate on the main plate respectively, and pressing a folding indentation at a part needing to be folded;

(2) placing the cut main board and the left side board on a first heat sealing device, aligning the left side board with a first connecting part on one side of the bottom board up and down, starting to push, extending an air outlet of a hot air gun into a space between the first connecting part and the left side board to heat, and pressing and fixing the heating part after continuously pushing;

(3) repeating the step 2 to carry out heat sealing on the first connecting part at the other side of the bottom plate and the right side plate to form a complete plate body;

(4) placing the complete plate body after heat sealing on a second heat sealing device, positioning the bottom plate on a workbench, upwards folding the front side plate, the left side plate and the right side plate for 90 degrees, pressing a hot air gun downwards, heating the second connecting parts on the two sides of the front side plate and the corresponding parts of the left side plate and the right side plate, then lifting the hot air gun, and pressing and fixing the second connecting parts on the left side plate and the right side plate respectively;

(5) and repeating the step 4 to carry out heat sealing on the third connecting parts at the two sides of the rear side plate, the left side plate and the right side plate, thus forming the finished waterproof soft plastic packing box.

2. The manufacturing method of the waterproof flexible plastic packing box according to claim 1, wherein the first connecting part, the second connecting part and the third connecting part are all connected to the outer surfaces of the left side plate and the right side plate in a heat sealing manner.

Technical Field

The invention relates to a manufacturing method of a packing box, in particular to a manufacturing method of a waterproof soft plastic packing box.

Background

At present, the PP cellular board packing box is assembled by adopting a heat-seal connection mode, and the joint of the cellular board is heated by a manual hand-held hot air gun when the heat-seal connection is carried out, so that the heating is followed by pressing and fixing, the production efficiency is low, the automation degree is low, and the quality of the heat-seal connection of the box body is easily influenced by the operation of workers.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the manufacturing method of the waterproof soft plastic packing box with high production efficiency and good assembly quality.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a manufacturing method of a waterproof soft plastic packing box comprises the following steps:

(1) cutting the plastic plate into a shape, respectively cutting a main plate, a left side plate and a right side plate, reserving a first connecting part, a second connecting part and a third connecting part on two sides of a corresponding bottom plate, a front side plate and a rear side plate on the main plate respectively, and pressing a folding indentation at a part needing to be folded;

(2) placing the cut main board and the left side board on a first heat sealing device, aligning the left side board with a first connecting part on one side of the bottom board up and down, starting to push, extending an air outlet of a hot air gun into a space between the first connecting part and the left side board to heat, and pressing and fixing the heating part after continuously pushing;

(3) repeating the step 2 to carry out heat sealing on the first connecting part at the other side of the bottom plate and the right side plate to form a complete plate body;

(4) placing the complete plate body after heat sealing on a second heat sealing device, positioning the bottom plate on a workbench, upwards folding the front side plate, the left side plate and the right side plate for 90 degrees, pressing a hot air gun downwards, heating the second connecting parts on the two sides of the front side plate and the corresponding parts of the left side plate and the right side plate, then lifting the hot air gun, and pressing and fixing the second connecting parts on the left side plate and the right side plate respectively;

(5) and repeating the step 4 to carry out heat sealing on the third connecting parts at the two sides of the rear side plate, the left side plate and the right side plate, thus forming the finished waterproof soft plastic packing box.

The first connecting portion, the second connecting portion and the third connecting portion are all connected to the outer surfaces of the left side plate and the right side plate in a heat-sealing mode.

The invention has the beneficial effects that:

(1) the packaging box disclosed by the invention comprises a main board and two side boards, wherein the main board is connected with the side boards in a heat-sealing manner, the side boards are also connected in a heat-sealing manner, and gaps between the main board and the side boards are completely sealed after the heat-sealing, so that an effective waterproof effect can be achieved;

(2) the packaging box is assembled by adopting the heat sealing device, only workers need to place the honeycomb plates, the assembling process is rapid, the production efficiency is high, and the connection quality is better compared with manual heat sealing connection;

(3) compared with the mode that the main plate and each side plate are integrally cut, the main plate and the two side plates are cut, a large amount of materials can be saved, and the production cost is effectively reduced.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is an expanded view of the package of the present invention;

FIG. 2 is one of schematic structural views of the first heat-seal apparatus;

FIG. 3 is a second schematic view of the structure of the first heat-sealing apparatus;

FIG. 4 is a schematic cross-sectional view of the first heat-seal apparatus;

FIG. 5 is a schematic view of a first heat gun;

FIG. 6 is one of the schematic structural views of the second heat-seal device;

FIG. 7 is a second schematic view of the second heat-seal apparatus.

Detailed Description

The utility model provides a manufacturing method of waterproof soft plastics packing box, refer to fig. 1, this packing box divide into bottom plate 1, left side board 2, right side board 3, preceding curb plate 4 and posterior lateral plate 5, bottom plate 1, preceding curb plate 4, posterior lateral plate 5 constitute the mainboard, the both sides of bottom plate 1 are provided with first connecting portion 6, the both sides of preceding curb plate 4 are provided with second connecting portion 7, the both sides of posterior lateral plate 5 are provided with third connecting portion 8, left side board 2, right side board 3 are the independent cutting shaping, the preparation step of this packing box is as follows:

(1) the utility model discloses a cutting die, including mainboard, front side board, rear side board, die cutting mode, the mode of cross cutting and equipment, the adoption is cut the sword and is cut the shaping with plastic panel, cuts out mainboard, left side board, right side board respectively, and the both sides of corresponding bottom plate, front side board, rear side board on the mainboard are reserved respectively and are had first connecting portion, second connecting portion, third connecting portion, and the mode of cutting can adopt the cross cutting, and the mode and the equipment of cross cutting belong to prior art, only need to be to the shape design cutting die who cuts can to use the indentation sword to suppress folding indentation at the position that needs are folding.

(2) The main board and the left side board which are cut and formed are placed on a first heat sealing device, the left side board and a first connecting portion on one side of the bottom board are aligned up and down and then pushed, a gap of about 2-3 cm is reserved between the left side board and the first connecting portion in the pushing process, then an air outlet of a hot air gun extends into the space between the first connecting portion and the left side board to be heated until the surface of the hot air gun is melted, the heating temperature is 200-400 ℃, and after the pushing is continued, a heating portion is pressed and fixed through a roller.

(3) And repeating the step 2 to carry out heat sealing on the first connecting part at the other side of the bottom plate and the right side plate to form a complete plate body.

Referring to fig. 2 to 5, the first heat sealing device of the present invention includes a first worktable 9 and a controller, the first worktable 9 is provided with an opening 10, a roller 12 driven by a motor 11 is installed at the bottom of the first worktable 9 corresponding to the opening 10, a supporting frame 13 is installed on the first worktable 9, a supporting plate 14 is installed above the supporting frame 13 corresponding to the opening 10, a pressing wheel 16 is installed on the supporting plate 14 through a supporting rod 15, the pressing wheel 16 is pressed on the top of the roller 12, a separating block 18 is installed on the supporting plate 14 through a first connecting plate 17, a conveying groove 19 is installed at one side of the separating block 18 corresponding to the transmission direction of the roller 12 and the pressing wheel 16, a conveying gap 20 is left between the bottom of the separating block 18 and the surface of the first worktable 9, a first hot air gun 22 is installed on the supporting plate 14 through a second connecting plate 21, an air outlet 23 of the first hot air gun 22 is located between the pressing wheel 16 and the separating block 18, the first heat gun 22 is provided with a guide sleeve 24, the guide sleeve 24 is provided with a turning part 25, the air outlet 26 is arranged at one side of the turning part 25, and the turning part 25 is positioned between the conveying groove 19 and the conveying gap 20.

Firstly, the part to be heated of the side plate is inserted into the conveying groove 19, one side plate of the mainboard is folded to enable the bottom plate 1 to be positioned on the first workbench 9 after being positioned at the front end, the first connecting part 6 on one side of the bottom plate 1 is inserted into the conveying gap 20 and is aligned with the part to be heated of the side plate above, the plates are manually pushed after being aligned, a gap is reserved between the two plates due to the separating block at the moment, the air outlet 23 of the first hot air gun 22 is heated in the gap between the two plates, the hot-melted plates are pressed and fixed on the heating part through the idler wheel 12 and the pressing wheel 16, the heat sealing connection is completed, and the heating time, the pushing speed and the rotating speed of the motor are determined by the length, the thickness, the material melting point and the temperature of the hot air gun.

(4) The heat-sealed complete plate body is placed on a second heat sealing device, a bottom plate is positioned on a workbench, a front side plate, a left side plate and a right side plate are folded upwards by 90 degrees through a cylinder push plate, then two hot air guns are pressed downwards, the second connecting parts on the two sides of the front side plate and the corresponding parts of the left side plate and the right side plate are heated to be melted on the surfaces, the heating temperature is 200-400 ℃, then the hot air guns are lifted, and the second connecting parts are respectively fixed on the left side plate and the right side plate in a pressing mode through pressing cylinders.

(5) And repeating the step 4 to carry out heat sealing on the third connecting parts at the two sides of the rear side plate, the left side plate and the right side plate, thus forming the finished waterproof soft plastic packing box.

Referring to fig. 6 and 7, the second heat sealing device of the present invention includes a second work table 26, a first cylinder 27, a second cylinder 28 and a third cylinder 29 are mounted on the second work table 26, push plates 36 are mounted on the first cylinder 27, the second cylinder 28 and the third cylinder 29, the first cylinder 27 and the second cylinder 28 correspond to the left side plate 2 and the right side plate 3 of the packing box respectively, the third cylinder 29 corresponds to any remaining side surface, two L-shaped support frames 30 are symmetrically mounted on the second work table 26, an L-shaped edge pressing member 32 driven to extend and retract by a fourth cylinder 31 is mounted at the lower part of each support frame 30, a second hot air gun 34 driven to move up and down by a fifth cylinder 33 is mounted at the upper part of each support frame 30, and a press plate 36 driven to move up and down by a sixth cylinder 35 is mounted at the upper part of each support frame 30.

Firstly, the whole plate after heat sealing is placed on the second workbench 26, the pressing plate 35 is pressed downwards to position the bottom plate 1, then the first cylinder 27, the second cylinder 28 and the third cylinder 29 push each corresponding side plate to be vertical to the table top, the second hot air gun 34 is lowered to heat the connecting part, the second hot air gun 34 is moved upwards after the surface of the connecting part is melted, then the L-shaped edge pressing piece 32 is extended out to press the connecting part on the other side surface to complete the connection of one side surface with the left side surface and the right side surface, of course, the size of the pressing plate 36 can be consistent with that of the bottom plate, and the pressing plate can have the thickness of 5-10 cm and is used for fixing each side plate not to be inclined inwards to ensure the quality of the connection of the connecting part, in addition, the supporting frame 30 can be adjusted on the second workbench 26 through a screw hole or a sliding chute, the position between the sixth cylinder 35 and the pressing plate 36 can also be adjusted through a screw hole or a sliding chute, so as to adapt to plate bodies with different specifications.

The first connecting portion, the second connecting portion, the equal heat-seal of third connecting portion are connected the surface of left side board, right side board for packing box surface does not have the joint line, further increases water-proof effects.

The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.