CN118811283A

CN118811283A - A double-layer buffer structure of a folded molding cavity and its preparation process

Info

Publication number: CN118811283A
Application number: CN202411177607.7A
Authority: CN
Inventors: 袁立民
Original assignee: Ningbo Anlock Container Co ltd
Current assignee: Ningbo Anlock Container Co ltd
Priority date: 2024-08-26
Filing date: 2024-08-26
Publication date: 2024-10-22

Abstract

The present invention discloses a double-layer buffer structure of a folded molding cavity and a preparation process thereof, and relates to the technical field of packaging products. The final cavity for protecting the product is divided into a plurality of discrete cavities, which are expanded and processed into a buffer module with a cavity double-wall buffer structure, and then reversely folded in half according to the expansion steps to form a final buffer block, wherein the final buffer block has a final cavity that fits the shape of the product to be protected very well, and a soft material can also be provided on the surface of the cavity; this design greatly reduces the difficulty of processing, and provides a processable solution for many cavities that cannot be formed by conventional methods, and the hollow double-layer wall buffer structure inside the buffer module provides good buffering performance and strength for the protection of the product, and can replace the same type of foam pearl cotton for product packaging protection in the packaging field, and can further solve the problems of insufficient strength of foam pearl cotton materials, difficulty in processing cavities, large packaging volume, and non-environmental foam, and has wide practicality.

Description

Double-layer buffer structure of doubling forming cavity and preparation process thereof

Technical Field

The invention relates to the technical field of packaging products, in particular to a double-layer buffer structure of a doubling forming cavity and a preparation process thereof.

Background

At present, the protection of products in the packaging field mostly adopts foam cavities or pearl cotton for bonding or cutting, and the good buffering property and softness of the foam or the pearl cotton are mainly utilized to effectively protect the products from being damaged in the transportation process, but the foam and the pearl cotton have the following serious defects:

1. The foam product has no environmental protection property, the foam is difficult to degrade, a plurality of toxic substances are contained, the environment protection test cannot be passed, the foam is easy to break into fine particles to form micro plastics, and serious harm is caused to animals and nature;

2. Foam and pearl cotton have good buffering performance, but have limited strength, and are easy to compress and break down to lose the protection function when protecting a slightly heavy product, so that the foam and the pearl cotton have certain limitation in protecting the slightly heavy product;

3. the foam is very fragile and is easy to crack, and once the foam is cracked, the foam loses the protection function and forms white garbage;

4. Although the pearl cotton is not easy to crack, the pearl cotton is difficult to form a cavity which is attached to a product, the processing performance is poor, and the application range is limited;

5. foam and pearl cotton are extremely inflammable substances, and can be burned instantly when meeting sparks, and are difficult to extinguish, and fire hazards exist wherever stacking;

6. the foam and the pearl cotton have large volume, light weight, small strength and large storage occupation space, are not suitable for long-distance transportation and are limited by regions.

Disclosure of Invention

In order to solve the problems and achieve the purposes, the invention provides the following technical scheme: the double-layer buffer structure of the doubling forming die cavity comprises a final buffer block, wherein a final forming die cavity for protecting a product is arranged in the final buffer block;

The final buffer block comprises at least two buffer modules, wherein the two buffer modules are of hollow double-wall structures with cavities inside and buffer functions, the two buffer modules are connected through a connecting thin material piece, and the two buffer modules can be folded, attached or turned over and separated through the connecting thin material piece;

The final forming cavity comprises at least two discrete cavities, and the two discrete cavities are respectively arranged between the two buffer modules;

The opposite surfaces of the two buffer modules are respectively provided with a concave table for reinforcement, and one side far away from the connecting thin material piece is connected and locked through a first fixing piece or a second fixing piece.

As a preferable technical scheme of the invention, two or more buffer modules are folded and formed into a final buffer block with a final forming cavity inside along the connecting thin material piece.

As a preferable technical scheme of the invention, a soft layer is arranged in the discrete cavity, and the soft layer is made of soft rubber or polymeric soft material.

As a preferable technical scheme of the invention, the opposite surfaces of the two buffer modules are respectively provided with a plurality of grooves and convex blocks which are in one-to-one correspondence, and one end of each convex block is inserted into the groove for positioning.

As a preferable technical scheme of the invention, the first fixing piece comprises a buckle and a clamping groove, wherein the buckle and the clamping groove are respectively arranged on one side, far away from the connecting thin material piece, of the two buffer modules, and the buckle is clamped with the clamping groove.

As a preferable technical scheme of the invention, the two fixing parts comprise two connecting holes respectively arranged in the two buffer modules, and a screw and a nut respectively arranged in the two connecting holes.

As a preferable technical scheme of the invention, the buffer modules are made of ductile materials, and the two connecting holes are respectively arranged in the two buffer modules.

As a preferable technical scheme of the invention, the final molding cavity is one of closed type, semi-closed type and open type or a combination thereof, and the connecting thin piece is one of continuous type or discontinuous type.

As a preferred embodiment of the invention, the buffer module can also be fastened by means of further fastening elements.

A preparation process of a double-layer buffer structure of a doubling forming cavity comprises the following steps:

s1, flattening and blow molding; the final molding cavity is molded into a plurality of discrete molding cavities which are unfolded on each buffer module for blow molding, and the blow molding is performed to form two or more buffer modules with hollow double-wall structures and containing the discrete molding cavities, and the buffer modules are connected with each other by continuous or intermittent connecting thin material pieces;

s2, encapsulating the cavity; the soft glue or the paste or the polymeric soft material is coated on the split cavity, so that the cavity has very soft softness, and the surface of the protected product is ensured not to be scratched;

S3, folding and forming; placing the product to be protected in a discrete cavity on a certain buffer module, and then folding other buffer modules in half along the position of connecting the thin material piece to form a required final molding cavity for coating the product to be protected;

S4, fastening the mutual buckling; the buffer modules are connected and locked through the first fixing piece or the second fixing piece, so that the buffer modules can be firmly locked and not scattered in the carrying process or in the severe environment.

Compared with the prior art, the double-layer buffer structure of the double-folding forming cavity has the following beneficial effects:

this double-deck buffer structure of die cavity is formed in fifty percent discount through setting up the final buffer block of fifty percent discount assembly design, greatly reduced the assembly degree of difficulty, the design of a plurality of discrete die cavities of final die cavity parting, reduce the processing degree of difficulty and make final die cavity and protected product have more laminating effect, buffer module can reach the requirement of foam pearl cotton material good cushioning properties and softness ability, and further can solve the bad defect on the foam pearl cotton material, can replace foam pearl cotton material of the same type to carry out effective protection to the packaging product in the packing field, the cost of reduction packing that can significantly reduces, the volume of packing is convenient for transportation, but the bearing, the use is more environmental protection, extensive usability has.

Drawings

FIG. 1 is a schematic diagram of a double-layer buffer structure of a double-folded molding cavity according to the present invention;

FIG. 2 is a schematic diagram of a nut with a double-layer buffer structure for a double-fold forming cavity according to the present invention;

FIG. 3 is a schematic diagram showing the unfolded state of a final buffer block of a double-layer buffer structure of a double-folded forming cavity according to the present invention;

FIG. 4 is a bottom view showing the developed state of a final cushion block of a double-layer cushion structure of a double-folded molding cavity according to the present invention;

FIG. 5 is a schematic diagram showing the discrete states of a soft layer and a discrete cavity of a double-layer buffer structure of a double-folded molding cavity;

FIG. 6 is a schematic diagram of a second embodiment of a folding mold cavity according to the present invention;

FIG. 7 is a schematic diagram of a second embodiment of a folding mold cavity according to the present invention;

FIG. 8 is a schematic view of a three-dimensional structure of a half-folded molding cavity according to an embodiment of the present invention;

FIG. 9 is a schematic view of a three-dimensional structure of a half-folded molding cavity according to an embodiment of the present invention;

Fig. 10 is a schematic view of a three-structure embodiment of a doubling-up forming cavity according to the present invention.

In the figure: 1. a final buffer block; 11. and finally forming a cavity; 12. a buffer module; 121. a concave table; 13. connecting thin material pieces; 14. a discrete cavity; 15. a first fixing piece; 151. a buckle; 152. a clamping groove; 16. a second fixing piece; 161. a connection hole; 162. a screw; 163. a nut; 17. a soft layer; 18. a groove; 19. a bump; 2. l-shaped connecting fixing piece.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-5, a double-layer buffer structure of a double-folded forming cavity includes a final buffer block 1, wherein a final forming cavity 11 for protecting a product is arranged in the final buffer block 1; the final buffer block 1 comprises at least two buffer modules 12, wherein the two buffer modules 12 are of hollow double-wall structures with cavities inside and buffer functions, the two buffer modules 12 are connected through a connecting thin material piece 13, and the two buffer modules 12 can be folded and attached or folded and separated through the connecting thin material piece 13; the final molding cavity 11 comprises at least two discrete molding cavities 14, and the two discrete molding cavities 14 are respectively arranged between the two buffer modules 12; concave tables 121 are arranged on the opposite sides of the two buffer modules 12 for reinforcement, and one side far away from the connecting thin piece 13 is connected and locked through a first fixing piece 15 or a second fixing piece 16.

The final forming cavity 11 in the final buffer block 1 is subjected to parting, two or more than two discrete cavities 14 are formed according to the structural characteristics of a protected product, two buffer modules 12 are connected by continuous or interval thin walls, a material with certain toughness is blown into the buffer modules 12 with double-wall hollow inside and buffer effects by adopting a blow molding process, when the product is packaged, the protected product is placed in one discrete cavity 14, and then the product is reversely folded along a connecting thin piece 13 according to parting steps to form the final buffer block 1 and the final forming cavity 11 to cover the product, and the first fixing piece 15 or the second fixing piece 16 or the combination of the two fixing pieces are mutually locked.

The final molding cavity 11 can be used for parting and separating the split molding cavity 14 to flatten the buffer module 12, so that some complex cavities which cannot be molded can be provided with a solution, parting and flattening blow molding can be realized, and some elements which cannot be processed in foam molding or common blow molding originally can be solved, such as holes with a certain angle with the demolding direction or other molding shapes which cannot be demolded.

The connecting hole 161 not only can be used for installing the screw rod 162 and the screw cap, but also can strengthen the inner wall and the outer wall of the buffer module 12, can strengthen products, and can adjust the wall thickness strength according to the weight of the protected products, thereby not only being capable of replacing almost all packaging protection fields of the same type of foam pearl cotton packaging, but also being capable of further protecting heavy products which cannot be protected by the foam pearl cotton, and reducing the packaging volume when protecting the same products, saving the packaging volume, saving the space and saving the freight.

As a specific technical scheme of the embodiment, two or more buffer modules 12 are folded and formed into a final buffer block 1 with a final forming cavity 11 along with a connecting thin material piece 13, when the outer wall is impacted by external force, deformation is generated inwards, and the reaction force counteracts the impact external force to achieve the buffer effect, so that the strength of the outer wall and the hollow distance of the inner wall are measured and calculated, and the protection of the inner wall to a product is not influenced in the process of deformation of the outer wall.

As a specific technical scheme of the embodiment, the soft layer 17 is arranged in the discrete cavity 14, the soft layer 17 is made of soft rubber or polymeric soft material, the polymeric soft material is made of elastic materials such as silica gel, hydrogenated silica gel and rubber, and the discrete cavity 14 is coated with soft rubber or stuck or polymeric soft material, so that the whole structure has high strength and good buffering property, the discrete cavity 14 has very soft softness, the softness of the contact surface with a product is ensured, and the surface of the protected product is ensured not to be scratched.

As a specific technical scheme of this embodiment, the opposite surfaces of the two buffer modules 12 are respectively provided with a plurality of grooves 18 and protruding blocks 19 corresponding to each other one by one, one end of each protruding block 19 is inserted into the groove 18 for positioning, the grooves 18 and the protruding blocks 19 are arranged, when the two buffer modules 12 are folded and closed together, the grooves 18 and the protruding blocks 19 are clamped together, the connection stability between the two buffer modules 12 is ensured, front-back and left-right deviation is avoided, and the grooves 18 and the protruding blocks 19 are circular or polygonal or two combinations.

As a specific technical solution of this embodiment, the first fixing member 15 includes a buckle 151 and a clamping groove 152, the buckle 151 and the clamping groove 152 are respectively disposed on one side of the two buffer modules 12 away from the connecting thin material member 13, and the buckle 151 is clamped with the clamping groove 152, the second fixing member 16 includes two connecting holes 161 respectively disposed inside the two buffer modules 12, and two screws 162 and nuts 163 respectively disposed inside the two connecting holes 161, and the two connecting holes 161 are respectively disposed inside the two buffer modules 12, so that the two buffer modules 12 can be directly fastened and locked by the first fixing member 15, or the screws 162 and the nuts 163 in the second fixing member 16 are matched and locked, so that the assembled final buffer block 1 can be ensured not to be scattered due to throwing or extrusion in the process of transportation.

As a specific technical scheme of this embodiment, the buffer module 12 is made of a ductile material, two connecting holes 161 are respectively formed in the two buffer modules 12, the ductile material may be plastic or a metal sheet with high elasticity, and since the buffer module 12 is of a hollow double-layer arm structure, a good buffer effect can be achieved, when the outer wall formed by the ductile material is impacted by external force, deformation is generated inwards, and the reaction force counteracts the impact external force to achieve the buffer effect, and only the strength of the outer wall and the hollow distance of the inner wall are measured and calculated to ensure that the deformation process of the outer wall does not affect the protection of the inner wall to the product.

S1, flattening and blow molding; the final molding cavity 11 is molded into a plurality of discrete molding cavities 14 which are spread on each buffer module 12 for blow molding, and the blow molding is performed to form two or more buffer modules 12 with hollow double-layer wall structures and containing the discrete molding cavities 14, and the buffer modules are connected with each other by continuous or discontinuous connecting thin material pieces 13;

S2, encapsulating the cavity; the discrete cavity 14 is coated with soft glue or paste or polymeric soft material, so that the cavity has very soft softness, and the surface of the protected product is ensured not to be scratched;

S3, folding and forming; placing the product to be protected in a discrete cavity 14 on one buffer module 12, and then folding other buffer modules 12 in half along the position of the connecting thin material piece 13 to form a required final forming cavity 11 for coating the product to be protected;

S4, fastening the mutual buckling; the buffer modules 12 are connected and locked through the first fixing piece 15 or the second fixing piece 16, so that the buffer modules 12 can be firmly locked and not scattered in the carrying process or in the severe environment.

As a specific technical solution of this embodiment, the final molding cavity 11 is one of closed type, semi-closed type and open type, or a combination thereof, the connecting thin piece 13 is one of continuous type or discontinuous type, the continuous connecting thin piece 13 is fully distributed between the two buffer modules 12, the discontinuous connecting thin piece 13 is distributed between the two buffer blocks at intervals, the number of the discontinuous connecting thin pieces 13 is selected according to the length of the buffer modules 12, and referring to fig. 4, the connecting thin pieces 13 adopted in fig. 4 are discontinuous, and the connecting thin pieces 13 can be made of ductile materials.

As a specific technical solution of this embodiment, the buffer module 12 may also be fastened by other connection fixing members 2, so that the concave table 121 may avoid the effect of reinforcing and supporting the outer wall of the buffer module 12, and further ensure the buffer effect of the product.

In the second embodiment, referring to fig. 1-7, compared with the above embodiment, a semi-closed final buffer block 1 is provided in the present embodiment, the final forming cavity 11 inside the final buffer block 1 is semi-closed, which can protect corners of some products, such as tiles, floor tiles, rock boards, glass, doors and windows, flat products such as furniture flat boards, and referring to fig. 6-7, the buffer modules 12 in the present embodiment are L-shaped, and the two buffer modules 12 are still assembled in half by adopting a mode of connecting thin material pieces 13, so that the processing and production difficulties are reduced.

In the third embodiment, referring to fig. 1 to 10, compared with the above embodiment, an open type final buffer block 1 is provided, in this embodiment, two sides of the final buffer block 1 are provided with L-shaped connecting fixing members 2 together through screws 162, and the final forming cavity 11 inside the final buffer block 1 is open, so that corners of some products, such as refrigerators, washing machines, air conditioners, televisions, range hoods, and other household appliances, can be protected, and referring to fig. 8 to 9, fig. 9 is a schematic view of the unfolded state of the buffer module 12 in this embodiment, the final buffer block 1 in this embodiment is L-shaped, the final forming cavity 11 inside the final buffer block 1 is also L-shaped, the final buffer block 1 is formed by two flat buffer modules 12, and the two buffer modules 12 are still connected in a folding manner through connecting thin members 13.

In summary, the double-layer buffer structure of the folding forming cavity greatly reduces the assembly difficulty of the final buffer block 1 designed by folding assembly, the design of the final forming cavity 11 for parting into a plurality of discrete cavities 14 reduces the processing difficulty, the final forming cavity 11 and the protected product have a better fitting effect, the buffer module 12 can meet the requirements of excellent buffer performance and softness of the foam pearl cotton material, and further can solve the defect of the foam pearl cotton material, can replace the foam pearl cotton material of the same type in the packaging field to effectively protect the packaged product, can greatly reduce the packaging cost, reduce the packaging volume, is convenient to transport, can bear load, is more environment-friendly in use, and has wide usability.

It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Double-deck buffer structure of die cavity is formed in fifty percent discount, including final buffer block (1), its characterized in that: a final forming cavity (11) for protecting the product is arranged in the final buffer block (1);

The final buffer block (1) comprises at least two buffer modules (12), wherein the two buffer modules (12) are of hollow double-wall structures with cavities inside and buffer functions, the two buffer modules (12) are connected through a connecting thin material piece (13), and the two buffer modules (12) can be folded and attached or turned over and separated through the connecting thin material piece (13);

the final forming cavity (11) comprises at least two discrete cavities (14), and the two discrete cavities (14) are respectively arranged between the two buffer modules (12);

Concave tables (121) are arranged on the opposite sides of the two buffer modules (12) and used for reinforcing, and one side far away from the connecting thin material piece (13) is connected and locked through a first fixing piece (15) or a second fixing piece (16).

2. A double-layer buffer structure of a double-fold forming cavity according to claim 1, characterized in that: two or more buffer modules (12) are folded and formed into a final buffer block (1) with a final forming cavity (11) inside along a connecting thin material piece (13).

3. A double-layer buffer structure of a double-fold forming cavity according to claim 1, characterized in that: the inside of the discrete die cavity (14) is provided with a soft layer (17), and the soft layer (17) is made of soft rubber or polymeric soft material.

4. A double-layer buffer structure of a double-fold forming cavity according to claim 1, characterized in that: the opposite surfaces of the two buffer modules (12) are respectively provided with a plurality of grooves (18) and convex blocks (19) which are in one-to-one correspondence, and one end of each convex block (19) is inserted into the groove (18) for positioning.

5. A double-layer buffer structure of a double-fold forming cavity according to claim 1, characterized in that: the first fixing piece (15) comprises a buckle (151) and a clamping groove (152), the buckle (151) and the clamping groove (152) are respectively arranged on one side, far away from the connecting thin material piece (13), of the two buffer modules (12), and the buckle (151) is clamped with the clamping groove (152).

6. A double-layer buffer structure of a double-fold forming cavity according to claim 1, characterized in that: the second fixing piece (16) comprises two connecting holes (161) which are respectively arranged in the two buffer modules (12), and a screw rod (162) and a nut (163) which are respectively arranged in the two connecting holes (161).

7. The double-layer buffer structure of a double-folding forming cavity according to claim 6, wherein: the buffer modules (12) are made of ductile materials, and the two connecting holes (161) are respectively arranged in the two buffer modules (12).

8. A double-layer buffer structure of a double-fold forming cavity according to claim 1, characterized in that: the final forming cavity (11) is one or a combination of closed type, semi-closed type and open type, and the connecting thin material piece (13) is one of continuous type and discontinuous type.

9. A double-layer buffer structure of a double-fold forming cavity according to claim 1, characterized in that: the buffer module (12) can also be fastened by other connecting fixtures (2).

10. A process for preparing a double-layer buffer structure based on a doubling-up forming cavity according to any one of claims 1 to 9, characterized by comprising the following steps:

S1, flattening and blow molding; the final molding cavity (11) is molded into a plurality of discrete molding cavities (14) which are unfolded on each buffer module (12) for blow molding, and the buffer modules (12) with two or more hollow double-wall structures and containing the discrete molding cavities (14) are formed by blow molding, and are connected with each other by continuous or intermittent connecting thin material pieces (13);

s2, encapsulating the cavity; the separated mould cavity (14) is coated with soft glue or paste or polymerized soft material, so that the mould cavity has very soft softness, and the surface of the protected product is ensured not to be scratched;

S3, folding and forming; placing the product to be protected in a discrete cavity (14) on one buffer module (12), and then folding other buffer modules (12) in half along a connecting thin material piece (13) to form a required final forming cavity (11) to cover the product to be protected;

S4, fastening the mutual buckling; the buffer modules (12) are connected and locked through the first fixing piece (15) or the second fixing piece (16), so that the buffer modules (12) can be firmly locked and not scattered in the carrying process or in the severe environment.