CN220200042U

CN220200042U - Packaging bag

Info

Publication number: CN220200042U
Application number: CN202321480509.1U
Authority: CN
Inventors: 何宗荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-12-19
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a packaging bag, which comprises a first film material, wherein the first film material comprises a first lower wrapping surface, a first side wrapping surface and a first upper wrapping surface which are sequentially connected to form a U shape, one end, far away from the first side wrapping surface, of the first lower wrapping surface is connected with one end, far away from the first side wrapping surface, of the first upper wrapping surface through a first welding belt, one side edge of the first lower wrapping surface is connected with one side edge of the first upper wrapping surface through a second welding belt, the other side edge of the first lower wrapping surface is connected with the other side edge of the first upper wrapping surface through a third welding belt, and a rectangular containing space is defined by the first film material, the first welding belt, the second welding belt and the third welding belt. The first lower wrapping surface and the first upper wrapping surface of the packaging bag can be respectively clung to the bottom surface and the upper surface of the product, and the packaging bag is suitable for packaging plate-shaped products with different sizes, convenient to produce and manufacture, stable in quality and favorable for storing, transporting and labeling the packaged products.

Description

Packaging bag

Technical Field

The utility model relates to the technical field of packaging bags, in particular to a packaging bag.

Background

In the prior art, a common packaging bag mostly adopts a back sealing type packaging bag, wherein edges of a film material, which are positioned at two sides of a conveying direction, are folded towards the middle part, and then the edges of the two sides of the film material are heat-sealed together by a heating roller device to form the packaging bag with a welding belt on the back surface. Because the welding strip of the back-sealed packaging bag forms a bulge with a certain height, a plurality of back-sealed packaging bags are difficult to stack and place, storage and transportation of packaged products are affected, and label wrinkling is easy to be caused when labels are required to be attached to the back of the packaging bag, so that automatic identification production is not facilitated. In addition, when folding the both sides border towards the middle part of membrane material, need dispose corresponding forming mechanism according to the inner chamber shape size of wrapping bag, the wrapping bag of different shape sizes need be changed different forming mechanism, leads to production inconvenient, manufacturing cost is higher.

For this reason, in the related art, there has been a packaging bag in which upper and lower films are covered on opposite sides of a product, and then heat-sealed at peripheral edges of the product. However, in the production process of the packaging bag, an automatic unreeling mode is adopted for both the upper film material and the lower film material, and as the wrapped product has a certain thickness, the film materials cannot be well attached to the product during the pressing and sealing, so that the surface of the packaging bag is wrinkled, and the packaging quality is affected.

In addition, in order to protect the wrapped products, in some application occasions, buffers such as sponge are needed to be put in to reduce the damage probability of the products, however, the buffers are easy to shift, and the protection of the products is not comprehensive.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, one of the objects of the present utility model is to provide a packaging bag which can be tightly attached to the surface of a plate-like product, is suitable for plate-like products of different sizes, is easy to manufacture, and has stable quality.

According to an embodiment of the present utility model, a packaging bag includes: the first membrane material, the first membrane material is including the first parcel face, first side parcel face and the first parcel face of going up that link to each other in proper order in order to enclose into the U-shaped, the first parcel face of going up in keeping away from the one end of first side parcel face with the first parcel face of going up is kept away from link to each other through first welding area between the one end of first side parcel face, the first side edge of parcel face with link to each other through the second welding area between the first side edge of going up the parcel face, the opposite side edge of parcel face with link to each other through the third welding area between the opposite side edge of parcel face on the first side edge, the first membrane material first welding area the second welding area with the rectangle accommodation space is limited jointly to the third welding area.

The packaging bag provided by the embodiment of the utility model has at least the following beneficial effects:

the packaging bag with the structure comprises a U-shaped packaging bag, wherein a first film material is used for enclosing the packaging bag, a product is pushed in from an opening of the U-shaped packaging bag so that one side surface of the product is propped against a first side wrapping surface, a first welding belt, a second welding belt and a third welding belt are formed through welding, an accommodating space matched with a platy product is enclosed, the first lower wrapping surface and the first upper wrapping surface can be respectively clung to the bottom surface and the upper surface of the product, and the packaging bag is suitable for platy products with different sizes, convenient to manufacture and stable in quality, and is favorable for storing, transporting, labeling and other operations of packaged products.

In some embodiments of the present utility model, the inner surface of the first film is provided with a buffer layer, the buffer layer includes a second lower wrapping surface, a second side wrapping surface and a second upper wrapping surface which are sequentially connected to form a U shape, one end of the first lower wrapping surface, which is far away from the first side wrapping surface, one end of the first upper wrapping surface, which is far away from the second side wrapping surface, and one end of the second lower wrapping surface, which is far away from the second side wrapping surface, are welded together by the first welding strip, one sides of the first lower wrapping surface, the second lower wrapping surface, the first upper wrapping surface and the second upper wrapping surface are welded together by the second welding strip, and the other sides of the first lower wrapping surface, the second lower wrapping surface, the first upper wrapping surface and the second upper wrapping surface are welded together by the third welding strip.

In some embodiments of the present utility model, the buffer layer includes a second film material laid on an inner surface of the first film material, the second film material extends along a length direction of the first film material, and a plurality of inflatable column sleeves located in the accommodating space are arranged at intervals in the length direction of the second film material.

In some embodiments of the present utility model, the inflatable column sleeve extends along a width direction of the second film material, the second film material has an empty area between two ends of the inflatable column sleeve and a side edge of the adjacent second film material, and the second welding strip and the third welding strip are located in vertical projection of the corresponding empty area.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of an embodiment of a package of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the embodiment of FIG. 1;

FIG. 3 is a schematic diagram of an embodiment of a buffer layer;

FIG. 4 is a schematic illustration of a molding process of one embodiment of a package;

fig. 5 is a schematic diagram of a combination of a first film, a buffer layer, a first unreeling mechanism, a second unreeling mechanism, and a reeling structure.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 5, a package of the present utility model includes: the first film 100, the first film 100 includes a first lower wrapping surface 110, a first side wrapping surface 120 and a first upper wrapping surface 130 that are sequentially connected to each other so as to form a U shape, one end of the first lower wrapping surface 110, which is far away from the first side wrapping surface 120, is connected to one end of the first upper wrapping surface 130, which is far away from the first side wrapping surface 120, through a first welding strip 140, one side edge of the first lower wrapping surface 110 is connected to one side edge of the first upper wrapping surface 130 through a second welding strip 150, the other side edge of the first lower wrapping surface 110 is connected to the other side edge of the first upper wrapping surface 130 through a third welding strip 160, and the first film 100, the first welding strip 140, the second welding strip 150 and the third welding strip 160 together define a rectangular accommodating space.

The packaging bag with the structure comprises a U-shaped packaging bag formed by enclosing a first film material 100, a product is pushed in from an opening of the U-shaped packaging bag 100 so that one side face of the product is propped against a first side wrapping face 120, a first lower wrapping face 110 is contacted with the bottom face of the product, a first upper wrapping face 130 is contacted with the upper surface of the product, a first welding belt 140, a second welding belt 150 and a third welding belt 160 are formed through welding to enclose an accommodating space matched with the platy product, the first lower wrapping face 110 and the first upper wrapping face 130 can be respectively clung to the bottom face and the upper surface of the product, and the packaging bag is suitable for platy products with different sizes, convenient to manufacture, stable in quality, and favorable for storing, transporting, labeling and other operations of packaging the product. It should be noted that the above package is generally used for packaging rectangular plate-shaped products, such as books, circuit boards, and the like. The U-shaped corner of the first film 100 is used for contacting one side of a product, the inner surface of the packaging bag facing away from the first welding strip 140 is used for contacting the other side of the product, the height distance between the first lower wrapping surface 110 and the first upper wrapping surface 130 is matched with the thickness dimension of the plate-shaped product, namely, the plate-shaped products with different thickness dimensions can be adapted by adjusting the size of the U-shaped corner of the first film 100, forming mechanisms with different shapes and sizes do not need to be configured according to the mode of the back-sealed packaging bag, the production cost is reduced, the production freedom degree is also improved, and rectangular containing spaces with different dimension specifications can be formed by horizontally adjusting the processing positions of the first welding strip 140, the second welding strip 150 and the third welding strip 160.

Referring to fig. 1, 2 and 3, in some embodiments of the present utility model, the inner surface of the first film 100 is provided with a buffer layer 200, the buffer layer 200 includes a second lower wrapping surface 210, a second side wrapping surface 220 and a second upper wrapping surface 230 which are sequentially connected to enclose a U shape, one end of the first lower wrapping surface 110, which is far from the first side wrapping surface 120, one end of the first upper wrapping surface 130, which is far from the first side wrapping surface 120, one end of the second lower wrapping surface 210, which is far from the second side wrapping surface 220, and one end of the second upper wrapping surface 230, which is far from the second side wrapping surface 220, are welded together by a first welding strip 140, one sides of the first lower wrapping surface 110, the second lower wrapping surface 210, the first upper wrapping surface 130 and the second upper wrapping surface 230 are welded together by a second welding strip 150, and the other sides of the first lower wrapping surface 110, the second lower wrapping surface 210, the first upper wrapping surface 130 and the second upper wrapping surface 230 are welded together by a third welding strip 160. It can be appreciated that when the product is an easily damaged article, the buffer layer 200 can effectively protect the product from damage caused by impact, drop, etc. Moreover, since the end of the first lower wrapping surface 110 far away from the first side wrapping surface 120, the end of the first upper wrapping surface 130 far away from the first side wrapping surface 120, the end of the second lower wrapping surface 210 far away from the second side wrapping surface 220, and the end of the second upper wrapping surface 230 far away from the second side wrapping surface 220 are welded together through the first welding belt 140, the buffer layer 200 and the first film 100 can form a packaging bag with a double-layer structure, the buffer layer 200 cannot move relative to the first film 100, and the first film 100, the buffer layer 200 and a product are ensured to be tightly combined, so that the whole formed by the first film 100 and the buffer layer 200 can be tightly attached to the outer surface of the product, and the packaging quality of the product is ensured.

Referring to fig. 3, in some embodiments of the present utility model, the buffer layer 200 includes a second film 201 laid on an inner surface of the first film 100, the second film 201 is extended along a length direction of the first film 100, and a plurality of inflatable sleeves 202 located in the accommodating space are spaced apart from each other along the length direction of the second film 201. It can be understood that the whole formed by the second film 201 and the inflatable column sleeve 202 is an inflatable bubble film, and the second film 201 can synchronously inflate the inflatable column sleeve 202 in the unreeling process, so as to form an inflatable bubble film for protecting the product from being impacted directly. The above buffer layer 200 has simple structure and low cost, and has good protection effect on the product. Of course, in other embodiments, the cushioning layer 200 may be replaced with a sponge layer, a cotton layer, or the like.

Referring to fig. 3, in some embodiments of the present utility model, the inflatable collar 202 extends along the width direction of the second film 201, and the second film 201 has an empty region between two ends of the inflatable collar 202 and a side edge of the adjacent second film 201, and the second welding strip 150 and the third welding strip 160 are located within a vertical projection of the corresponding empty region. It will be appreciated that the area where the second lower wrapping surface 210 and the second upper wrapping surface 230 are welded by the second welding strip 150 is located within the empty area, and the area where the second lower wrapping surface 210 and the second upper wrapping surface 230 are welded by the third welding strip 160 is located within the empty area, so that the air leakage phenomenon of the air-filled column jacket 202 during the heat sealing process is avoided due to the fact that the empty area is not provided with the air-filled column jacket 202, the welding quality of the second welding strip 150 and the third welding strip 160 is ensured, and the protection effect of the buffer layer 200 on the product is ensured.

Referring to fig. 4 and 5, the utility model also discloses a method for manufacturing the packaging bag, which comprises the following steps:

a. the two ends of the first film 100 are respectively connected with a first unreeling mechanism 10 and a reeling mechanism 20, and part of the first film 100 is bent to form a first lower film section 101, a first corner part 102 and a first upper film section 103 which are sequentially connected, wherein the length sizes of the first lower film section 101 and the first upper film section 103 are smaller than the length size of a product;

b. placing the product between the first lower film section 101 and the first upper film section 103 such that one side wall of the product abuts against the first corner 102 and the bottom surface of the product abuts against the first lower film section 101;

c. locking the winding mechanism 20, pushing the product to enable the first unwinding mechanism 10 to release the first film 100, extending the first lower film section 101 to the whole area capable of being attached to the bottom surface of the product, and extending the first upper film section 103 to the whole area capable of covering the upper surface of the product;

d. heat-sealing and cutting the first lower film segment 101 and the first upper film segment 103 by a heat-sealing and cutting mechanism, thereby forming a first lower wrapping surface 110, a first side wrapping surface 120, a first upper wrapping surface 130 and a first welding strip 140;

e. a second weld zone 150 is welded between one side edge of the first lower wrap 110 and one side edge of the first upper wrap 130, and a third weld zone 160 is welded between the other side edge of the first lower wrap 110 and the other side edge of the first upper wrap 130.

The packaging bag manufactured by the method can ensure that the first lower wrapping surface 110 is flatly attached to the bottom surface of a product, the first upper wrapping surface 130 is flatly attached to the upper surface of the product, wrinkling of the packaging bag is avoided, operations such as storage, transportation, labeling and the like of the packaged product are facilitated, and a forming mechanism with different shapes and sizes is not required to be configured to form packaging bags with corresponding specifications, so that the packaging bag is suitable for plate-shaped products with different sizes, and production cost is reduced. It should be noted that after the product is placed between the first lower film section 101 and the first upper film section 103, since the length dimensions of the first lower film section 101 and the first upper film section 103 are smaller than the length dimension of the product, the first lower film section 101 can only attach to a part of the bottom surface of the product, the first upper film section 103 can only attach to a part of the upper surface of the product, at this time, the product is continuously pushed to the first unreeling mechanism 10 to release the first film material 100, the released first film material 100 sequentially moves along the bottom surface, the side surface and the upper surface of the product, so that the first lower film section 101 and the first upper film section 103 are attached smoothly and cover the surface of the product, the first film material 100 can be ensured to be wrapped on the outer surface of the product in a tensioned manner without a smooth manner, wrinkling of the packaging bag is avoided, and the automatic production mode of code scanning after labeling is facilitated.

In some embodiments of the present utility model, in order to prevent the presence of more gas between the product and the first film material 100 from affecting the surface of the product that is better adhered to the first film material 100, in step e, after welding to form one of the second welding strip 150 and the third welding strip 160, the gas between the product and the first film material 100 is pumped out and welded to form the other of the second welding strip 150 and the third welding strip 160.

Referring to fig. 4 and 5, in some embodiments of the present utility model, in step a, a buffer layer 200 is provided on one side of the first film 100, one end of the buffer layer 200 is connected to the second unreeling mechanism 30, and the other end is connected to the reeling mechanism 20, and at the same time when a portion of the first film 100 is folded to form a first lower film segment 101, a first corner 102 and a first upper film segment 103, the buffer layer 200 is also folded to form a second lower wrapping surface 210 closely attached to the inner surface of the first lower film segment 101, a second side wrapping surface 220 closely attached to the inner surface of the first corner 102, and a second upper wrapping surface 230 closely attached to the inner surface of the first upper film segment 103, and the second lower wrapping surface 210, the second side wrapping surface 220 and the second upper wrapping surface 230 are respectively used to contact the bottom surface, the side surface and the upper surface of the product. It will be appreciated that the first film 100 and the buffer layer 200 are wrapped around the outer surface of the product as a double-layer protection structure, the first film 100 and the buffer layer 200 are integrally formed into a U shape to have a side opening, after the product enters from the side opening, the bottom surface, one side surface and the upper surface of the product respectively abut against the second lower wrapping surface 210, the second side wrapping surface 220 and the second upper wrapping surface, at this time, the product is pushed in a direction away from the side opening, in which the first unwinding mechanism 10 and the second unwinding mechanism 30 synchronously release the first film 100 and the buffer layer 200 in the locked state of the winding mechanism 20, the second lower wrapping surface 210 extends together with the first lower film segment 101, and the second upper wrapping surface 230 extends together with the first upper film segment 103, so as to tightly wrap the bottom surface, one side surface and the upper surface of the product, and after the heat seal cutting mechanism forms the first weld band 140, the package bag can wrap the other side surface of the product opposite to the second side wrapping surface 220.

Referring to fig. 2, 3 and 5, in some embodiments of the present utility model, the buffer layer 200 includes a second film 201 extending along a length direction of the first film 100, two ends of the second film 201 are respectively connected to the second unreeling mechanism 30 and the reeling mechanism 20, the second film 201 is provided with a plurality of inflatable sleeves 202 at intervals along the length direction thereof, and the second lower wrapping surface 210, the second side wrapping surface 220 and the second upper wrapping surface 230 are respectively provided with a plurality of inflatable sleeves 202. The whole that second membrane material 201 and inflation column cover 202 constitute is the bubble film that aerifies, and second membrane material 201 can be synchronous aerify inflation column cover 202 at the in-process of unreeling to form the bubble film that aerifies that is used for protecting the product, protect the product not directly to receive the impact.

Referring to fig. 4 and 5, in some embodiments of the present utility model, when a product is placed between the first lower film section 101 and the first upper film section 103 in step b, the second side wrapping surface 220 is abutted against one side wall of the product, the second lower wrapping surface 210 is abutted against the bottom surface of the product, after the winding mechanism 20 is locked in step c, the product is pushed so that the first unwinding mechanism 10 releases the first film material 100, the second unwinding mechanism 30 releases the second film material 201, the first lower film section 101 and the second lower wrapping surface 210 are extended together to the entire area capable of adhering to the bottom surface of the product, the first upper film section 103 and the second upper wrapping surface 230 are extended together to the entire area capable of covering the upper surface of the product, and in step d, one ends of the first lower film section 101, the second lower wrapping surface 210, the first upper film section 103 and the second upper wrapping surface 230 are heat-sealed and cut to form the first weld strip 140, and in step e, the first lower film section 101, the second lower wrapping surface 103, the first upper film section 230 and the second weld strip 150 are formed separately. The above processing method can ensure that the buffer layer 200 and the first film 100 are tightly wrapped on the outer surface of the product.

In some embodiments of the present utility model, in order to ensure that the first film material 100 can be adhered to the surface of the product before welding the second welding strip 150 and the third welding strip 160, and also can function to position the welding positions of the second welding strip 150 and the third welding strip 160, after step d, the first upper wrapping surface 130 is abutted against the upper surface of the product by using a pressing and positioning mechanism so that the first upper wrapping surface 130 and the first lower wrapping surface 110 are kept adhered to the upper surface and the lower surface of the product, and then transferred to the next process step to implement step e.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A package, comprising:

first membrane material (100), first membrane material (100) are including consecutive first parcel face (110), first side parcel face (120) and first parcel face (130) of going up in order to enclose into the U-shaped, first parcel face (110) keep away from one end of first side parcel face (120) with first parcel face (130) are gone up and are kept away from link to each other through first welding strip (140) between one end of first side parcel face (120), first parcel face (110) one side edge with link to each other through second welding strip (150) between first parcel face (130) one side edge, first parcel face (110) opposite side edge with link to each other through third welding strip (160) between first upward parcel face (130) other side edge, first membrane material (100) first welding strip (140) second welding strip (150) and third welding strip (160) jointly define rectangular accommodation space.

2. A package as claimed in claim 1, wherein:

the inner surface of first membrane material (100) is equipped with buffer layer (200), buffer layer (200) are including linking gradually in order to enclose the second of U-shaped and wrap up face (210), second side wrap up face (220) and second and go up wrap up face (230), first lower wrap up face (110) keep away from the one end of first side wrap up face (120) first upper wrap up face (130) keep away from one end of second side wrap up face (220) of second lower wrap up face (210) with the one end of second upper wrap up face (230) keep away from second side wrap up face (220) is passed through first weld zone (140) and is welded together, first lower wrap up face (110), second lower wrap up face (210), first upper wrap up face (130) and one side of second upper wrap up face (230) are together through second weld zone (150), first lower wrap up face (110), second upper wrap up face (130) are passed through first weld up face (230) and second upper wrap up face (230) are together.

3. A package as claimed in claim 2, wherein:

the buffer layer (200) comprises a second membrane material (201) laid on the inner surface of the first membrane material (100), the second membrane material (201) extends along the length direction of the first membrane material (100), and a plurality of inflatable column sleeves (202) located in the accommodating space are arranged at intervals in the length direction of the second membrane material (201).

4. A package as claimed in claim 3, wherein:

the inflatable column sleeve (202) extends along the width direction of the second membrane material (201), an empty area is arranged between two ends of the inflatable column sleeve (202) and the adjacent side edges of the second membrane material (201), and the second welding strip (150) and the third welding strip (160) are located in the vertical projection of the corresponding empty area.