CN107571524B - Packaging structure, manufacturing method thereof and air conditioner assembly - Google Patents
Packaging structure, manufacturing method thereof and air conditioner assembly Download PDFInfo
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- CN107571524B CN107571524B CN201710893946.9A CN201710893946A CN107571524B CN 107571524 B CN107571524 B CN 107571524B CN 201710893946 A CN201710893946 A CN 201710893946A CN 107571524 B CN107571524 B CN 107571524B
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Abstract
The invention discloses a packaging structure, a manufacturing method thereof and an air conditioner assembly, wherein the packaging structure comprises: the packaging piece comprises a packaging body, a first side and a second side, wherein the packaging body is provided with a first surface and a second surface which are oppositely arranged, and the first surface is used for being matched and installed by the household electrical appliance; and the protective film layer is covered on the second surface, and the protective film layer and the packaging piece body are arranged into a whole. The technical scheme of the invention can effectively improve the structural strength of the household appliance packaging structure.
Description
Technical Field
The invention relates to the field of packaging of household appliances, in particular to a packaging structure, a manufacturing method of the packaging structure and an air conditioner assembly.
Background
At present, in order to avoid collision and damage of household appliances in the transportation or carrying process, a structure with better shock resistance is generally adopted as a package of the household appliances, and a foam board is taken as an example, so that the inner surface of the foam board is abutted against the household appliances, and the external impact force on the household appliances can be effectively buffered; however, because the structural strength of the foam board is poor, if the outer side surface of the foam board is directly exposed outside, the foam board is easy to damage under the direct action of external force, and a lot of inconvenience is brought by the overlarge weight of the packaging piece.
Disclosure of Invention
The invention mainly aims to provide a packaging structure, and aims to solve the technical problem that in the prior art, the strength of a paperboard on the outer side surface of a household appliance packaging piece is too low, and the packaging piece cannot be effectively protected.
In order to achieve the above object, the present invention provides a packaging structure, comprising:
the packaging piece comprises a packaging body, a first side and a second side, wherein the packaging body is provided with a first surface and a second surface which are oppositely arranged, and the first surface is used for being matched and installed by the household electrical appliance; and
and the protective film layer is covered on the second surface and is integrated with the packaging piece body.
Preferably, the protective film layer is a plastic film layer.
Preferably, the thickness of the protective film layer is 0.05 mm-1.5 mm.
Preferably, the package body further has a third surface connecting the peripheries of the first surface and the second surface, and the protective film layer is further disposed on the third surface.
Preferably, a plurality of material saving grooves are concavely formed in the second surface of the packaging piece body, the protective film layer comprises a first film and a second film which are mutually connected, the first film is arranged on the second surface in a covering mode, and the second film is arranged on the inner wall of each material saving groove in a covering mode.
Preferably, the thickness of the second membrane is less than the thickness of the first membrane.
Preferably, the second surface of the package body is convexly provided with a plurality of convex points, the inner surface of the protective film layer is provided with a concave pit corresponding to each convex point, the outer surface of the protective film layer is provided with a convex corresponding to each concave pit, and the convex points are covered on the protective film layer through the concave pits in a matched manner.
Preferably, the protective film layer is integrally formed on the second surface of the package body by hot pressing.
The invention also provides an air conditioner assembly, which comprises an air conditioner and a packaging structure, wherein the air conditioner comprises an air conditioner outdoor unit, and the packaging structure comprises:
the packaging piece comprises a packaging piece body, a first side and a second side, wherein the packaging piece body is provided with a first surface and a second surface which are oppositely arranged, and the first surface is used for matching and installing the air conditioner; and
the protective film layer is covered on the second surface and is integrated with the packaging piece body;
the first surface of packing spare body butt the air condensing units sets up.
Preferably, the packing structure is located at the bottom of the outdoor unit, and the first surface of the packing member body supports the bottom surface of the outdoor unit.
The invention also provides a manufacturing method of the packaging structure, which sequentially comprises the following steps:
preparing a packaging piece body, a protective film layer and a mould;
the protective film layer is integrally covered on the outer side surface of the packaging piece body through the die.
According to the technical scheme, the protective film layer is covered on the second surface of the packaging piece body and is integrally arranged with the packaging piece body, so that the protective film layer effectively protects the second surface of the packaging piece body and prevents the packaging piece body from being damaged when being collided and impacted by the outside.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of an air conditioner assembly according to an embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of the packaging structure of the present invention;
FIG. 3 is a schematic view of the package body of FIG. 2;
FIG. 4 is a schematic front view of the body of the package of FIG. 3;
FIG. 5 is an enlarged schematic view at A in FIG. 4;
FIG. 6 is a schematic view of the structure of the protective film layer in FIG. 2;
FIG. 7 is a schematic front view of the packaging structure of FIG. 2;
FIG. 8 is a cross-sectional view taken along line VIII-VIII of FIG. 7;
FIG. 9 is an enlarged schematic view at B of FIG. 8;
FIG. 10 is an enlarged schematic view at C of FIG. 8;
FIG. 11 is a cross-sectional view taken along line XI-XI in FIG. 7;
FIG. 12 is an enlarged schematic view at D of FIG. 11;
fig. 13 is a sectional view of the junction of the recess and the stripper groove of fig. 7.
FIG. 14 is a schematic flow chart illustrating a method of manufacturing the packaging structure according to an embodiment of the present invention;
FIG. 15 is a schematic flow chart illustrating a method of manufacturing a packaging structure according to another embodiment of the present invention;
fig. 16 is a flow chart illustrating a method for manufacturing a packaging structure according to still another embodiment of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a packaging structure, which is used for packaging household electrical appliances; in this embodiment, the packaging structure is specifically used for packaging an air conditioner outdoor unit (or an air conditioner all-in-one machine), but of course, in other embodiments, the packaging structure may also be used for packaging household appliances such as a washing machine and a dehumidifier, and the design is not limited thereto.
In an embodiment of the present invention, referring to fig. 1 to 7, the packaging structure includes:
the packaging piece body 1 is provided with a first surface 11 and a second surface 12 which are oppositely arranged, and the first surface 11 is used for being matched and installed with the outdoor unit 3 of the air conditioner; and
and the protective film layer 2 is covered on the second surface 12, and the protective film layer 2 and the packaging body 1 are integrated.
In this embodiment, the packaging member body 1 is a foam member, and it can be understood that the foam structure has a better buffering performance, which is beneficial to protecting the outdoor unit 3 of the air conditioner. In addition, referring to fig. 1, in the embodiment, the foam member is a foam board packaged at the bottom of the outdoor unit 3, and the packaging structure of the outdoor unit 3 further includes a packaging box 4 which is adapted to fit the outdoor unit 3 and the foam board from top to bottom, it can be understood that the first surface 11 of the foam board supports the outdoor unit 3, the second surface 12 is exposed, and the protective film layer 2 on the second surface 12 effectively protects the foam board; of course, in other embodiments, the foam member may be packaged on the top of the outdoor unit 3 or on the side of the outdoor unit 3, which is not limited by the present design.
According to the technical scheme, the protective film layer 2 is arranged on the second surface 12 of the packaging piece body 1 in a covering mode, the protective film layer 2 and the packaging piece body 1 are arranged integrally, so that the protective film layer 2 effectively protects the second surface 12 of the packaging piece body 1, and the packaging piece body 1 is prevented from being damaged when being collided and impacted by the outside, compared with a packaging structure in which a paperboard is arranged on the outer side surface of the packaging piece body 1 in the prior art, on one hand, the protective film layer 2 effectively improves the overall structural strength of the packaging structure, on the other hand, the protective film layer 2 also improves the moisture resistance of the packaging structure, and by adding color master in the material of the protective film layer 2, the appearance color of the protective film layer 2 can be changed optionally, and the appearance effect of the packaging structure is improved.
Further, the protective film layer 2 is a plastic film layer. It can be understood that the plastic film is a structure widely used in the prior art, and has the advantages of low thickness, stable structure, easy obtaining and the like. Note that the present design is not limited to this, and in other embodiments, the protective film layer 2 may be a silicone film layer or the like. In the embodiment, the plastic film layer is a PS film, which can be understood that, on one hand, the PS film has better waterproof performance than other films, and can effectively prevent the packaging structure from being affected with damp, and on the other hand, the PS film has better bonding effect with the packaging body 1, which is beneficial to ensuring tight connection between the PS film and the packaging body 1, and avoiding bubbles between the plastic film and the packaging body 1 after the packaging structure is used for a long time, even the plastic film falls off due to scraping; of course, in other embodiments, the plastic film layer may also be a PET plastic film, a PP plastic film, or an ABS plastic film, etc., which is not limited by the present design.
Further, the thickness of the protective film layer 2 is 0.05mm to 1.5mm. It can be understood that the thickness undersize of the protection film layer 2 is poor in protection effect of the packaging piece body 1, the thickness of the protection film layer 2 is too large, the structure is easily wasted, and then the production cost of the packaging structure is increased.
Further, the protective film layer 2 is integrally formed on the second surface 12 of the package body 1 by hot pressing. The hot-press integrated forming technology is widely applied to the prior art, has the advantages of stable connection, high production efficiency and the like, and can effectively ensure the connection tightness of the protective film layer 2 and the package body 1 and avoid the phenomena of loosening and falling of the protective film layer 2 after the package structure is used for a long time. It should be noted that the design is not limited to this, and in other embodiments, the protective film layer 2 may be integrally formed on the second surface 12 of the package body 1 by bonding or hydraulic pressure.
Further, referring to fig. 4 to 7, the package body 1 further has a third surface 13 connecting peripheries of the first surface 11 and the second surface 12, the protective film layer 2 includes a protective film body 21 and a first flange portion 22 disposed on a periphery of the protective film body 21, the protective film body 21 is disposed on the second surface 12, and the first flange portion 22 is disposed on the third surface 13. It can be understood that so set up, make protection film layer 2 wrap up package body 1 better, on the one hand, strengthen the steadiness of connecting between the two, on the other hand, make protection film layer 2 also form effective protection to the week side of package body 1.
In this embodiment, the side edge of the first flange portion 22 facing away from the second surface 12 is flush with the connecting edge of the third surface 13 and the first surface 11, so that the first flange portion 22 completely covers the third surface 13, thereby better protecting the package body 1; in another embodiment, the first flange portion 22 extends and bends toward the first surface 11 away from the side edge of the second surface 12 to form a second flange portion attached to the first surface 11, which can be understood as such, so that the protective film 2 also forms a certain protection for the inner side of the package body 1.
Further, referring to fig. 4, 6 and 10, a plurality of province troughs 121 are concavely arranged on the second surface 12 of the package body 1, the protection film body 21 comprises a first film 211 and a second film 212 which are connected with each other, the first film 211 covers the second surface 12, and the second film 212 covers the inner walls of the province troughs 121. It can be understood that set up province silo 121 on package body 1, can reduce package body 1's material consumption on the basis of guaranteeing package body 1 shock-absorbing capacity to reduce packaging structure's production cost, correspond the province silo 121 that adds, the cell wall of province silo 121 is covered to the second diaphragm 212 of protection film body 21, with the structural strength who effectively guarantees in the province silo 121, avoids province silo 121 to receive external world and collide with and warp.
It should be noted that, the design is not limited thereto, and in other embodiments, the second surface 12 of the package body 1 is not additionally provided with a concave-convex structure, but is horizontally disposed, so as to reduce the process difficulty of the package body 1.
In this embodiment, the plurality of material saving slots 121 are disposed on the second surface 12, the process slot 111 is concavely disposed in the middle of the first surface 11 of the packaging body 1 (the packaging body 1 forms a supporting protrusion on two sides of the process slot 111 for supporting the air conditioner outdoor unit 3), the second surface 12 has a first side edge 125 and a second side edge 126 which are oppositely disposed in the first direction (the length direction of the packaging body 1), and the plurality of material saving slots 121 include a first material saving slot 121a disposed near the first side edge 125 and a second material saving slot 121b disposed near the second side edge 126. It can be understood that, by arranging the process groove 111 and the material saving groove 121 of the packaging body 1 in a staggered manner, the packaging body 1 is prevented from being too thin at the position where the process groove 111 and the material saving groove 121 coincide in the vertical direction, and the structural strength is seriously reduced. In addition, in this embodiment, the material saving groove 121 is a rectangular groove, and the joint of each groove wall of the material saving groove 121 is disposed in a rounded angle, so as to better avoid the influence on the structural strength of the package body 1 after the groove is opened.
Further, the thickness of the second diaphragm 212 is smaller than the thickness of the first diaphragm 211. It can be understood that, as mentioned above, the protective film layer 2 is preferably formed on the second surface 12 of the packaging main body 1 by hot-pressing and integral molding, when the material saving groove 121 is formed on the second surface 12 of the packaging main body 1, the mold presses the protective film layer 2 to bend and deform the protective film layer to adapt to the shape of the material saving groove 121, so that the second film 212 is a bent and stretched film, and the thickness of the second film is necessarily smaller than that of the original film (the first film 211). It is understood that the second membrane 212 includes a vertical membrane attached to the side wall of the province tank 121 and a horizontal membrane attached to the bottom wall of the province tank 121, and the thickness of the vertical membrane is correspondingly smaller than that of the horizontal membrane based on the bending of the second membrane 212. In addition, referring to fig. 10, in this embodiment, the length of the vertical membrane is S3, and the value range of S3 is 10mm to 20mm, it can be understood that if S3 is too small, the material saving effect of the material saving groove 121 is not obvious, and if S3 is too large, the structural strength of the second membrane 212 is too low, and even the second membrane is damaged during the bending and stretching process.
Further, referring to fig. 5, 9 and 12, a plurality of bumps 123 are convexly formed on the second surface 12 of the package body 1, a recess 211a is formed on the inner surface of the protective film body 21 corresponding to each bump 123, a protrusion corresponding to each recess 211a is formed on the outer surface of the protective film body 21, and the bumps 123 are fittingly covered on the protective film body 21 through the recesses 211a. In this embodiment, the bumps 123 are formed outside the material saving groove 121 (formed on the first membrane 211) on the second surface 12, and certainly, in other embodiments, a part of the bumps 123 may be formed outside the material saving groove 121, another part may be formed inside the material saving groove 121 (formed on the transverse membrane of the second membrane 212), or both may be formed inside the material saving groove 121; it can be understood that, as mentioned above, the protective film layer 2 is preferably formed on the second surface 12 of the package body 1 by hot-pressing and integral molding, and the bumps 123 are added on the second surface 12, which will certainly increase the contact area between the protective film body 21 and the second surface 12, so as to better realize the heat transfer therebetween and ensure the adhesion of the protective film body 21 on the second surface 12. In this embodiment, referring to fig. 9, the protruding height of the protrusion is S2, and the range of the protruding height of S2 is 0.1mm to 1mm, that is, the protruding height of the bump 123 on the second surface 12 is 0.1mm to 1mm, it can be understood that the protruding height of the bump 123 is too small, the effect of enhancing the adhesion tightness of the protective film body 21 on the second surface 12 is poor, the protruding height of the bump 123 is too large, and the structural strength of the concave pit 211a formed by the protective film body 21 matching with the bump 123 is poor.
In this embodiment, the plurality of bumps 123 are disposed, and the plurality of bumps 123 are arranged on the second surface 12 at intervals by taking the group as a single position, and a plurality of groups of pits 211a are formed on the protective film layer 2 corresponding to the plurality of groups of bumps 123. Moreover, in the embodiment, the plurality of groups of bumps 123 are arranged on the second surface 12 in a rectangular array, and it can be understood that, since the gain of the single bump 123 to the contact area between the protective film body 21 and the second surface 12 is small, the tightness of the attachment of the protective film body 21 on the second surface 12 is more significantly improved by grouping the plurality of bumps 123. In addition, in this embodiment, the arrangement of any one group of the bumps 123 is circular, the diameter of the arrangement of any one group of the bumps 123 is S1, and the range of the value of S1 is 5mm to 15mm, but of course, in other embodiments, the arrangement of any one group of the bumps 123 may also be arranged in other shapes such as regular hexagon, and the design is not limited thereto.
Further, referring to fig. 4, 7 and 13, a plurality of demolding grooves 122 are formed on the second surface 12 of the package body 1 at intervals of the material saving groove 121 (the ejector pin is pressed when the package body 1 is demolded), a convex portion is formed on the inner surface of the protective film body 21 corresponding to the demolding groove 122, a concave portion 211b corresponding to the convex portion is formed on the outer surface of the protective film body 21, and the demolding groove 122 is fittingly covered with the convex portion of the protective film body 21. It is understood that such an arrangement is also beneficial to achieve the adhesion of the protective film body 21 to the second surface 12. In this embodiment, the recessed depth of the concave portion 211b is S4, and the range of the recessed depth of S4 is 0.1mm to 1mm, that is, the recessed depth of the mold release groove 122 on the second surface 12 is 0.1mm to 1mm, it can be understood that the recessed depth of the mold release groove 122 is too small, the effect of enhancing the adhesion of the protective film body 21 on the second surface 12 is poor, the recessed depth of the mold release groove 122 is too large, and the structural strength of the concave pit 211a formed by the protective film body 21 matching the convex point 123 is poor.
In this embodiment, the plurality of demolding grooves 122 are arranged, and the plurality of demolding grooves 122 are arranged at intervals along the periphery of the second surface 12, so that the ejector rods uniformly push against the second surface 12 of the packaging body 1, and the demolding stability of the packaging body 1 is facilitated. In the present embodiment, the mold release groove 122 is a cylindrical groove, but in other embodiments, the mold release groove 122 may also be a rectangular parallelepiped groove, and the design is not limited thereto. In addition, in this embodiment, a plurality of feeding grooves 124 are further formed on the second surface 12 of the package body 1 at intervals of the material saving groove 121 and the demolding groove 122 (the feeding holes are formed when the package body 1 is formed), and the inner surface of the protective film body 21 is further adapted to cover the feeding grooves 124.
The present invention further provides an air conditioner assembly, which includes an air conditioner and a packaging structure, the air conditioner includes an air conditioner outdoor unit, and the specific structure of the packaging structure refers to the above embodiments.
The invention also provides a manufacturing method of the packaging structure, and the packaging structure is used for packaging the household appliance; in this embodiment, the packaging structure is specifically used for packaging an air conditioner outdoor unit (or an air conditioner all-in-one machine), but of course, in other embodiments, the packaging structure may also be used for packaging household appliances such as a washing machine and a dehumidifier, and the design is not limited thereto.
Referring to fig. 14, in the present embodiment, the manufacturing method of the packaging structure sequentially includes the following steps:
s10, preparing a foam raw material, a film sheet and a mould;
in this embodiment, step S10 further includes preparing another film forming mold, where the film sheet is made of PS plastic by performing processes such as blowing, tape casting, stretching, or calendaring on the film raw material by the film forming mold, and it can be understood that, on one hand, the PS film has better waterproof performance than other films, and can effectively prevent the packaging structure from being affected with damp, and on the other hand, the PS film has better bonding effect with the foam raw material, which is beneficial to ensuring tight connection between the PS film and the foam raw material, and preventing bubbles from occurring between the plastic film and the foam raw material after the packaging structure is used for a long time, and even preventing the plastic film from falling off due to scraping; of course, in other embodiments, the film material may be made of PET plastic, PP plastic or ABS plastic, which is not limited by the present design. It should be noted that the design is not limited thereto, and in other embodiments, the film sheet may be purchased directly.
S20, placing the foam raw material in a mold for foaming molding to prepare a packaging piece body 1 with a preset shape;
it should be understood that the mold is a foaming device capable of foaming and molding the foam material into the packaging member body 1, in this embodiment, the packaging member body 1 is a plate, but in other embodiments, the packaging member body 1 may also have other shapes, and the design is not limited thereto.
Step S30, opening a movable die of the die, and laying a film sheet on the side surface of the foam piece body facing the movable die, or arranging the film sheet on the side surface of the movable die facing the package piece body 1;
step S40, covering a movable die of the die, carrying out hot-pressing treatment on the interior of the die, and forming a protective film layer 2 on the outer side surface of the package body 1 by using the film sheet to prepare a foam film coated part;
it can be understood that the film sheet is located on one side close to the movable die, and after the movable die is closed, the movable die presses the film sheet to enable the film sheet to be tightly attached to the outer side face of the packaging piece body 1.
And S50, opening a movable die of the die, and demolding the foam film-coated part.
Usually, in the demolding process, in the process that the ejector rod of the movable mold abuts against the foam film-coated member, a demolding groove is formed on the outer side surface of the foam film-coated member.
Referring to fig. 15, in another embodiment, the manufacturing method of the packaging structure sequentially includes the steps of:
s10, preparing a foam raw material, a film raw material, a first mold and a second mold;
in the embodiment, the film raw material is made of PS plastic, so that on one hand, the PS film has good waterproof performance compared with other films, and can effectively prevent the packaging structure from being affected with damp, and on the other hand, the bonding effect of the PS film and the foam raw material is better, so that the tight connection between the PS film and the foam raw material is favorably ensured, and bubbles are prevented from being generated between the plastic film and the foam raw material after the packaging structure is used for a long time, and even the plastic film is scraped to fall off; of course, in other embodiments, the film material may also be made of PET plastic, PP plastic or ABS plastic, which is not limited by the present design.
S20, placing the foam raw material in a first mold for foaming molding to prepare a packaging piece body 1 with a preset shape; placing the film raw material into a second die for molding to prepare a film body matched with the packaging body 1;
it can be understood that the first mold is a foaming device capable of foaming and shaping the foam material into the packaging member body 1, in this embodiment, the packaging member body 1 is plate-shaped, of course, in other embodiments, the packaging member body 1 may have other shapes, and the design is not limited thereto; it will be appreciated that depending on the type of second mould, the film stock may be formed into the film body by blowing, cast stretching or calendering. In this embodiment, in the foaming process of packaging part body 1, the lateral surface of packaging part body 1 can be formed with the feed chute because of connecting the feed inlet. In addition, by adding the color master in the material of the film body, the appearance color of the film body can be changed at will, and the appearance effect of the packaging structure is improved.
And S30, covering the film body on the outer side surface of the packaging piece body 1, forming a protective film layer 2 on the outer side surface of the packaging piece body 1 by the film body, and manufacturing the foam film-coated piece.
Referring to fig. 16, in still another embodiment, the manufacturing method of the packaging structure sequentially includes the steps of:
step S10, preparing a foam raw material, a film sheet, a first die and a second die;
in this embodiment, the step S10 further includes preparing a third mold, where the film sheet is made of PS plastic by performing processes such as blowing, tape casting, stretching, or calendaring on the film raw material by the third mold, and on one hand, the PS film has a better waterproof performance than other films, so as to effectively prevent the packaging structure from being affected with damp, and on the other hand, the PS film and the foam raw material have a better bonding effect, which is beneficial to ensuring tight connection between the PS film and the foam raw material, and prevent bubbles from occurring between the plastic film and the foam raw material after the packaging structure is used for a long time, and even prevent the plastic film from falling off due to scraping; of course, in other embodiments, the film material may be made of PET plastic, PP plastic or ABS plastic, which is not limited by the present design. It should be noted that the present design is not limited thereto, and in other embodiments, the film sheet may be purchased directly.
S20, placing the foam raw material in a first mold for foaming molding to prepare a packaging piece body 1 with a preset shape;
it should be understood that the first mold is a foaming device capable of foaming and shaping the foam material into the packaging member body 1, in this embodiment, the packaging member body 1 is plate-shaped, but of course, in other embodiments, the foam member may have other shapes, and the design is not limited thereto.
Step S30, opening a movable die of the first die, and demolding the packaging part body 1;
step S40, opening a movable die of a second die, sequentially placing the film sheet and the packaging body 1 in the second die, and paving the packaging body 1 on the surface of the film sheet;
as can be appreciated, so set up, convenience of customers carries out the installation and the location of foam body. It should be noted that, the present design is not limited thereto, and in another embodiment, step S40 includes: the movable mold of the second mold is opened, the film sheet and the package body 1 are sequentially placed in the second mold, and the foam body is provided on the side of the movable mold of the second mold facing the film sheet.
S50, covering a movable die of a second die, carrying out hot pressing treatment on the interior of the second die, and forming a protective film layer 2 on the outer side surface of the package body 1 by using a film sheet to prepare a foam film coated part;
it can be understood that the package body 1 is located at one side close to the movable die of the second die, and after the movable die is closed, the movable die is pressed against the package body 1 to enable the package body to be tightly attached to the film sheet. In this embodiment, the surface of the packaging body 1 facing the film sheet is flat, so as to ensure the tightness of the connection between the film sheet and the packaging body 1.
And S60, opening a movable die of the second die, and demolding the foam film coating member.
Usually, in the demolding process, in the process that the ejector rod of the movable mold abuts against the foam film-coated member, a demolding groove is formed on the outer side surface of the foam film-coated member.
According to the technical scheme, the protective film layer 2 is integrally coated on the outer side surface of the packaging piece body 1, so that the protective film layer 2 effectively protects the outer side surface of the packaging piece body 1 and prevents the packaging piece body 1 from being damaged when being collided and impacted by the outside, and compared with a packaging structure in which a paperboard is arranged on the outer side surface of the packaging piece body 1 in the prior art, on one hand, the protective film layer 2 effectively improves the overall structural strength of the packaging structure, and on the other hand, the protective film layer 2 also improves the moisture-proof performance of the packaging structure.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A packaging structure for packaging household electrical appliances, comprising:
the packaging piece comprises a packaging body, a first side and a second side, wherein the packaging body is provided with a first surface and a second surface which are oppositely arranged, and the first surface is used for being matched and installed by the household electrical appliance; and
the protective film layer is covered on the second surface and is integrated with the packaging piece body;
the protective film layer is a plastic film layer;
the packaging piece comprises a packaging piece body and a protective film layer, wherein the packaging piece body is provided with a plurality of material saving grooves in a concave mode on the second surface, the protective film layer comprises a first film and a second film which are mutually connected, the first film is arranged on the second surface in a covering mode, and the second film is arranged on the inner wall of each groove of each material saving groove in a covering mode;
the thickness of the second diaphragm is less than the thickness of the first diaphragm.
2. The packaging structure of claim 1, wherein the protective film layer has a thickness of 0.05mm to 1.5mm.
3. The packaging structure of claim 1, wherein the package body further has a third surface connecting the peripheries of the first and second surfaces, and the protective film layer further overlies the third surface.
4. The packaging structure of claim 1, wherein the second surface of the packaging body is convexly provided with a plurality of convex points, the inner surface of the protective film layer is provided with a concave pit corresponding to each convex point, the outer surface of the protective film layer is provided with a convex pit corresponding to each concave pit, and the convex pits are adapted to cover the protective film layer with the convex points.
5. The packaging structure according to any one of claims 1 to 4, wherein the protective film layer is integrally formed on the second surface of the package body by heat pressing.
6. An air conditioner assembly comprising an air conditioner and the packaging structure of any one of claims 1 to 5, wherein the air conditioner comprises an outdoor unit, and the first surface of the packaging member body is disposed in abutment with the outdoor unit.
7. The air conditioner assembly as claimed in claim 6, wherein the packing structure is formed at a bottom of the outdoor unit, and the first surface of the packing member body supports a bottom surface of the outdoor unit.
8. A method for manufacturing a packaging structure for an electric household appliance, as claimed in any one of claims 1 to 5, characterized in that it comprises, in sequence, the following steps:
preparing a packaging piece body, a protective film layer and a mould;
the protective film layer is integrally covered on the outer side surface of the packaging piece body through the die.
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| CN201506028U (en) * | 2009-09-06 | 2010-06-16 | 李小龙 | Plastic thin film production facility and plastic thin film |
| CN103552770A (en) * | 2013-11-11 | 2014-02-05 | 合肥美的电冰箱有限公司 | Packaging base assembly and manufacturing method thereof |
| CN103708082A (en) * | 2013-12-30 | 2014-04-09 | 翡柯机械（福建）有限公司 | Production technology and production equipment for light tray |
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