Coating packaging bag

Abstract

The utility model discloses a coating packaging bag, which relates to the technical field of coating packaging, and comprises a bag body with an accommodating space, the bag body is formed by combining bearing components, each bearing component is provided with at least one sealing mechanism to form at least one closed bearing space, and the inner surface of each bearing component has an anti-adhesion characteristic. The full-automatic filling and liquid leakage prevention device is suitable for the industrial situations of automatic filling, automatic express sorting and batch packaging and delivery, the problems of damage and liquid leakage are not prone to occurring, the production cost generated by traditional barreling is reduced, and the filling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coating packaging, in particular to a coating packaging bag. Background Art

[0002] In the prior art, paint packaging typically uses rigid containers such as metal barrels and plastic barrels. While these containers can effectively protect the paint, they take up a large amount of space and are inconvenient to carry and store. This traditional paint packaging method can no longer meet the actual needs of modern enterprises, nor does it conform to the development trend of lightweight packaging, and there are problems such as high costs. At the same time, given the increasingly fierce market competition, companies have reached an unprecedented level of pursuit of production efficiency and product quality. The rapid development of e-commerce has significantly expanded the customer base for online liquid paint purchases. In order to speed up production and sorting efficiency, a liquid paint packaging method that can seamlessly connect with automated sorting equipment is needed to ensure that it can adapt to lightweight packaging while also facilitating automated packaging and transportation. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0004] In view of the problems existing in the prior art, the present utility model is proposed.

[0005] Therefore, the technical problem to be solved by the present invention is that the traditional barrel packaging has high cost and waste, which is difficult to meet the needs of modern enterprises. In addition, the traditional barrel packaging takes up a large space and its shape makes it easy for rolling and squeezing to cause damage during sorting and transportation.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a paint packaging bag, comprising a bag body with a containing space, wherein the bag body is composed of a combination of carrying components.

[0007] As a preferred solution of the paint packaging bag described in the present invention, the carrying component has at least one sealing mechanism to form at least one closed carrying space, and the inner surface of the carrying component has anti-adhesion properties.

[0008] As a preferred solution of the paint packaging bag described in the utility model, the carrying component includes a first carrying layer and a second carrying layer, the first carrying layer and the second carrying layer are sealed to form a first cavity, and the first carrying layer and the second carrying layer are fixedly connected around the outer side to form a first closed line.

[0009] As a preferred solution of the paint packaging bag described in the present invention, the carrying component also includes a third carrying layer and a fourth carrying layer, the third carrying layer and the fourth carrying layer are sealed to form a second cavity, the second cavity is in the inner cavity of the first cavity, and the third carrying layer and the fourth carrying layer are fixedly connected around the outer side to form a second closed line.

[0010] As a preferred solution of the paint packaging bag described in the utility model, the second closed line coincides with the first closed line, and the two are fixedly connected; the first bearing layer and the third bearing layer, the second bearing layer and the fourth bearing layer respectively form interlayer one and interlayer two in the first cavity, and the interlayer one and interlayer two are not connected to each other.

[0011] As a preferred solution of the paint packaging bag described in the present invention, one side of the carrying component is provided with an opening, and the opening connects the second cavity with the outside.

[0012] As a preferred solution of the paint packaging bag described in the utility model, the opening passes through the bearing layer on the same side, and the edge of the opening forms a third closed line, which isolates the first cavity from the outside world. A channel is fixedly provided on the third closed line, and both ends of the channel connect the second cavity with the outside world.

[0013] The beneficial effects of the present invention are as follows: a new coating packaging bag form is adopted, and the packaging bag is formed by sealing the edges with a load-bearing component, which reduces the traditional barrel packaging cost, and not only reduces the stacking and storage cost of the product after production, but also reduces the storage cost of the packaging raw materials; a new coating packaging form is adopted, which is more suitable for automated equipment, lightweight, and e-commerce packaging, which changes the current situation of low efficiency of traditional packaging. At the same time, the new packaging form is more suitable for automated express sorting and transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0015] Figure 1 It is a schematic diagram of the bag body of the present invention.

[0016] Figure 2 This is another schematic diagram of the bag body of the present invention.

[0017] Figure 3 It is a schematic cross-sectional view of the bag body of the present invention.

[0018] Figure 4 This is another schematic diagram of the bag of the present invention.

[0019] Figure 5 This is another schematic diagram of the bag of the present invention. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more understandable, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0022] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it designate a separate or selective embodiment that is mutually exclusive with other embodiments.

[0023] Example 1

[0024] Reference Figure 1 , which is the first embodiment of the present utility model, provides a paint packaging bag, including a bag body 100 with a accommodating space. The bag body 100 is composed of a carrying component 101 with sealed edges. The specific size of the bag body 100 is determined according to existing products and can be determined as multiple specifications and volumes, such as 500g, 1kg, 5kg and 20kg. The inner surface of the carrying component 101 has anti-adhesion properties. The specific carrying component 100 can be made of a composite film material and a kraft paper material with a waterproof effect, etc. The selected material does not have the ability to adhere to paint, coatings and other products.

[0025] Specifically, the bearing assembly 101 has at least one sealing mechanism to form at least one closed bearing space.

[0026] It can be understood that the carrying component 101 carries the paint product through a closed carrying space, and then achieves a completely closed state through a sealing mechanism, ensuring that a good sealing state is maintained from sealing to use to protect the paint product inside.

[0027] Furthermore, the carrying assembly 101 includes a first carrying layer 101a and a second carrying layer 101b. The first carrying layer 101a and the second carrying layer 101b are sealed to form a first cavity A, which serves as a carrying space. The first carrying layer 101a and the second carrying layer 101b are fixedly connected in the form of a hot-melt seal around the outside to form a first closed line F1. As a sealing mechanism, the first cavity A is used to pour the paint product. The first closed line F1 is a sealing ring around the outer periphery of the bag body 100, and the first carrying layer 101a and the second carrying layer 101b are made of a composite film material.

[0028] It can be understood that after the first carrier layer 101a and the second carrier layer 101b complete the first hot melt sealing, the two carrier layers on both sides of the first cavity A are subjected to a second hot melt sealing to divide the first cavity A into two compartments, which serves as a second sealing mechanism. The two divided cavities are used to carry coatings of different components and specifications. At this time, two closed carrying spaces are formed and do not affect each other.

[0029] It can be understood that the first carrying layer 101a and the second carrying layer 101b are made of a plastic composite film material with higher strength and durability. Due to its characteristics, this material has anti-adhesion properties, and the paint products carried will not adhere to its surface. The outer circle can be hot-melt sealed to form a triangular or rectangular bag body 100. Furthermore, as another embodiment, the bag body 100 can also be circular.

[0030] In this embodiment, a rectangular bag body 100 is selected.

[0031] 1. As for the common 1kg, 2kg, 5kg, and 10kg specifications of products on the market, the economic cost comparison of packaging is as follows:

[0032]

[0033] 2. Comparison of the cost of refilling bagged paint above 20kg:

[0034] Traditional barrels Improved bagging format Packaging Price 11 yuan 2.8 yuan

[0035] For large-capacity bags over 20kg, the improved bag packaging format has a packaging cost price far lower than traditional barrels, reducing the packaging cost by about 75%. At the same time, according to the statistics of after-sales service by technical personnel within a certain period, the breakage rate of barrels over 20kg is 0.41%, while that of bags is only 0.12%, and this is caused by unreasonable stacking of heavy objects.

[0036] From the above comparison, we can see that the packaging cost of the new packaging is much lower than that of the traditional barrel packaging in various specifications.

[0037] 3. The following is a comparison of the storage space required for the same product, at 10kg specifications, after completing the production of 1 ton:

[0038] Specification Traditional barrels New packaging 10kg 2.4㎡ 1.92㎡

[0039] From the above, we can see that the use of new packaging can reduce storage costs for manufacturers. The new packaging is also more suitable for automated express sorting and transmission, avoiding the problem of traditional cylindrical packaging rolling during sorting due to its shape, resulting in falling and damage.

[0040] Example 2

[0041] Reference Figure 2 、 Figure 5 , which is the second embodiment of the present utility model, and this embodiment is based on the previous embodiment.

[0042] When a new packaging form is adopted, as the specification volume increases, the complex stress situation inside the bag may cause the product to be damaged and leak due to the force during handling and transportation, so the bag body 100 needs to be improved.

[0043] Specifically, the bearing assembly 101 also includes a third bearing layer 101c and a fourth thin bearing layer 101d. The third bearing layer 101c and the fourth bearing layer 101d are enclosed to form a second cavity B. The second cavity B is located in the inner cavity of the first cavity A, serving as a second bearing space, and the third bearing layer 101c and the fourth bearing layer 101d are fixedly connected around the outer side by hot melt sealing to form a second closed line F2, serving as a second sealing mechanism.

[0044] It can be understood that there are two implementations between the second closure line F2 and the first closure line F1. When the second closure line F2 coincides with the first closure line F1, and the two are fixedly connected by hot-melt sealing, that is, an integral bag with two layers on each side is formed. It should be noted that the second closure line F2 completely coincides with the first closure line F1, that is, the hot-melt sealing of the four supporting layers is carried out simultaneously, and the filling ports of the inner bag and the outer bag are consistent. Figure 2 As shown;

[0045] When the second closure line F2 does not coincide with the first closure line F1, the first cavity A serves as a protective outer bag for the second cavity B, and the two form a product bag with an inner bag and an outer bag, that is, the hot-melt sealing process of the two supporting layers is not performed at the same time.

[0046] Understandably, there can also be Figure 5 The embodiment shown is used for packaging a two-component coating product simultaneously.

[0047] Furthermore, when the first carrier layer 101a and the third carrier layer 101c, and the second carrier layer 101b and the fourth carrier layer 101d are simultaneously hot-melt sealed and formed, interlayer 1 A1 and interlayer 2 A2 are respectively formed in the first cavity A. Interlayer 1 A1 and interlayer 2 A2 are not connected to each other, that is, the order of combination is the first carrier layer 101a, the third carrier layer 101c, the fourth carrier layer 101d and the second carrier layer 101b, interlayer 1 A1 is between the first carrier layer 101a and the third carrier layer 101c, and interlayer 2 A2 is between the second carrier layer 101b and the fourth carrier layer 101d. It should be noted that the paint product is filled into the second cavity B under such circumstances.

[0048] It can be understood that the second closed line F2 coincides with the first closed line F1, forming two layers of composite film outside the coating, thereby strengthening the bag body and solving the problems of damage and leakage of existing ordinary bags.

[0049] A comparative test was conducted with the technical solution of Example 1 above, and the following statistical data were obtained:

[0050]

[0051]

[0052] From the above, it can be seen that the use of four-layer composite film as product bagging can significantly improve the protection of coating products.

[0053] In summary, the bag body 100 formed by four layers of composite film has stronger load-bearing capacity than the bag body 100 made of two layers of composite film. It can adapt to the forces generated during automated filling, automated express sorting, and batch packaging and delivery, and is not prone to damage or leakage.

[0054] Example 3

[0055] Reference Figure 3 , which is the third embodiment of the present utility model, and this embodiment is based on the above two embodiments.

[0056] Through comparative tests of the first two embodiments, R&D technicians found that improving the internal and external structures of the bag body 100 cannot avoid leakage during sorting and transportation. Considering the necessary step of filling the product, when the bag body 100 is prepared in the first step, a filling port is left on one side. Filling is carried out after the filling is completed, which may cause damage and leakage.

[0057] Therefore, after selecting the four-layer composite film to form the bag body 100, the bag body 100 is completely sealed by heat-melting on all sides before filling, leaving no filling opening at the larger edge, and filling is performed in another form.

[0058] Specifically, an opening K is provided on one side of the bearing component 101, and the opening K connects the second cavity B with the outside world. The opening K can be selected from a variety of shapes, such as circular, rectangular, diamond, etc. The opening K runs through the bearing layer on the same side, and the edge of the opening K forms a third closed line F3, and the third closed line F3 isolates the connection between the first cavity A and the outside world. A channel 200 is fixedly provided on the third closed line F3, and both ends of the channel 200 connect the second cavity B with the outside world. In some embodiments, a circular opening K is selected, and the third closed line F3 on the edge of the opening K is fixed by hot melt sealing. The third closed line F3 isolates the connection between the second interlayer A2 and the outside world.

[0059] It is understandable that the opening K can also be opened on one side of the first supporting layer 101a and the third supporting layer 101c. In this case, the third closed line F3 isolates the first interlayer A1 from the outside.

[0060] Furthermore, a channel 200 for feeding and discharging is installed. The channel 200 and the third closed line F3 are fixed by hot melt sealing. The two ends of the channel 200 connect the second cavity B and the outside world. During operation, a filling tool is used to fill the paint through the outer end of the channel 200, and after filling is completed, the cover is pressed into the cover to seal it so that the paint will not leak out.

[0061] It is understandable that the channel 200 can be made of a bottle mouth material that is completely compatible with the opening K and does not have adhesive properties, and the outward end has a universal size to facilitate pressing into a universal cover that can be opened and closed.

[0062] It should be noted that when hot-melt sealing is performed at the connection between the third sealing line F3 and the channel 200, the same process as described above is adopted, and incomplete sealing will not occur.

[0063] like Figure 3 The figure shows a bag 100 made using the above technical solution. Similarly, 50 bags of paint products were filled and sealed using different specifications, the same sealing technology, and the same filling technology. The statistics on breakage and leakage during the packaging and sorting process were as follows:

[0064]

[0065] From the above, it can be seen that when the channel 200 is introduced as the filling port and the discharge port when the product is used, the bag body made of the four-layer composite film has almost no leakage or damage during filling and sorting in the factory, which greatly avoids cost waste in the production stage. Therefore, when adapting to automated production and sorting, a bag body made of a four-layer composite is used, and a channel 200 is opened on one side of the bag body, which is more conducive to avoiding damage and leakage.

[0066] Example 4

[0067] Reference Figure 4 , which is the third embodiment of the utility model, provides a method for preparing a paint packaging bag, specifically comprising:

[0068] A discharge port is provided on the surface of the carrier component 101;

[0069] The edge of the carrier component 101 is sealed, and the preparation tool can be a composite film bag making machine or other mechanical equipment;

[0070] The channel 200 is sealed and fixedly connected to the edge of the discharge port;

[0071] Check the firmness of the bag body 100.

[0072] During the production and transportation of coating products, it is inevitable that they will fall from the shelves and fall heavily. In order to solve the problem of bag bursting in this situation, the technicians analyzed the force on the bag and made the following statistical data:

[0073] The test environment adopts the technical solution of Example 3, and products of different specifications are dropped at different heights.

[0074] Condition classification: ① Bag is intact

[0075] ② A little leakage occurs on the sealing edge

[0076] ③More leakage occurs on the sealing edge

[0077] ④The inner bag is broken

[0078]

[0079] As can be seen from the above, when the product specifications reach 10kg and 20kg, at a height of 2 meters, leakage is likely to occur at the sealed edges inside the bag body 100, which is not conducive to storage and subsequent transportation. To avoid this situation, technicians have studied the leakage points and found that almost all leakage starts from the angle of the sealed edges. Due to the rectangular shape of the bag body 100, a 90-degree angle is formed when the two adjacent edges are sealed. When the angle is subjected to force, it will spread to the center of the bag body 100, resulting in leakage and even bursting of the inner bag.

[0080] In order to verify the effect of the inner sealing angle on the stress of the bag body, the technicians conducted the following comparative tests:

[0081] Situation classification: ①The bag is intact ②A little leakage occurs on the sealing edge

[0082] ③There is a lot of leakage on the sealing edge ④There is a little leakage in the inner bag

[0083] ⑤The inner bag is broken

[0084]

[0085]

[0086] As can be seen from the above, when the sealing angle is arc-shaped, the bursting and leakage caused by heavy falling force can be avoided to a great extent. In view of this comparative test, the following improved technical solution is proposed: after the edge is sealed to form the bag body 100, the inner edge corner is an arc angle.

[0087] Furthermore, the technicians conducted a comparative study on the convenience of using the channel 200. Before connecting the channel 200 to the bag body 100, they determined the best installation point of the channel 200, which is beneficial for consumers to better pour out the paint product when pouring. Therefore, the installation position of the channel 200 is also worthy of research and testing.

[0088] In view of this, the technicians conducted the following comparative test on the channel mouth, selecting different installation positions and maintaining the same posture to pour 20kg of paint product (due to the weight of the product, it is impossible to lift and pour it manually, so it needs to be placed on the ground) until no paint is discharged from the outer end of the channel 200, and then weigh the weight of the entire bag again:

[0089]

[0090] From the above, it can be seen that when the channel is set at the center line of the bag close to the outer edge sealing edge, the 20kg bag is kept on the ground, and the paint product is poured at an inclined angle. After the channel 200 mouth is completely empty, the weight of the remaining product in the bag is the least.

[0091] The technicians further conducted comparative tests on the position near the outer edge and concluded that under different specifications, the channel opening can pour out more paint products better when it is 5 cm close to the outer edge sealing line on the center line.

[0092] It can be understood that the channel 200 is set at the corner of the bag body 100 or at the center line of the bag body close to the outer edge sealing edge, which can better pour out the product. Different installation positions of the channel 200 can be set according to different product characteristics and usage scenarios.

[0093] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A paint packaging bag, characterized by: include, A bag body (100) having a receiving space, wherein the bag body (100) is composed of a carrying assembly (101); The bearing component (101) has at least one sealing mechanism to form at least one closed bearing space, and the inner surface of the bearing component (101) has anti-adhesion properties; The bearing assembly (101) comprises a first bearing layer (101a) and a second bearing layer (101b), wherein the first bearing layer (101a) and the second bearing layer (101b) are sealed to form a first cavity (A), and the first bearing layer (101a) and the second bearing layer (101b) are fixedly connected around their outer sides to form a first closed line (F1).

2. A paint packaging bag according to claim 1, characterized in that: The bearing assembly (101) further comprises a third bearing layer (101c) and a fourth bearing layer (101d), wherein the third bearing layer (101c) and the fourth bearing layer (101d) are sealed to form a second cavity (B), the second cavity (B) is located in the inner cavity of the first cavity (A), and the third bearing layer (101c) and the fourth bearing layer (101d) are fixedly connected around their outer sides to form a second closed line (F2).

3. A paint packaging bag according to claim 2, characterized in that: The second closed line (F2) coincides with the first closed line (F1), and the two are fixedly connected.

4. A paint packaging bag according to claim 3, characterized in that: The first bearing layer (101a) and the third bearing layer (101c), the second bearing layer (101b) and the fourth bearing layer (101d) respectively form an interlayer 1 (A1) and an interlayer 2 (A2) in the first cavity (A); the interlayer 1 (A1) and the interlayer 2 (A2) are not connected to each other.

5. A paint packaging bag according to claim 4, characterized in that: An opening (K) is provided on one side of the bearing assembly (101), and the opening (K) connects the second cavity (B) with the outside.

6. A paint packaging bag according to claim 5, characterized in that: The opening (K) passes through the bearing layer on the same side, and the edge of the opening (K) forms a third closed line (F3), which isolates the first cavity (A) from the outside world. A channel (200) is fixedly provided on the third closed line (F3), and both ends of the channel (200) connect the second cavity (B) with the outside world.

Images