CN223085521U - Forming equipment of buffer structure - Google Patents

Abstract

In the forming device of the buffer structure provided in the embodiment of the present application, the buffer structure is formed by bending a cardboard structure, the cardboard structure includes a first side and a second side opposite to each other, the cardboard structure includes a first plate and two second plates, the two second plates are bent toward the first side at least twice relative to the first plate, so that the two second plates are partially overlapped to form a buffer structure. The forming device includes a forming structure, the forming structure includes two forming members arranged relatively to each other, the two forming members are movably arranged along the first direction and the second direction, therefore, the two second plates are pushed from the second sides of the two second plates in turn along the second direction and the first direction by the two forming members, so that the second plates are bent toward the first side at least twice relative to the first plate and at least partially overlapped to form a buffer structure, and the automatic forming of the buffer structure is realized, which can improve the production efficiency of the buffer structure and reduce the manpower and material costs in the production process of the buffer structure.

Description

Forming equipment of buffer structure

Technical Field

The application relates to the technical field of paperboard forming, in particular to forming equipment of a buffer structure.

Background

Packages are commonly used for packaging products, and in order to avoid damage to the product, a cushioning structure is typically provided within the package. At present, in order to improve environmental protection performance, a buffer structure formed by bending a paperboard structure can be used for replacing the buffer structure made of plastic materials such as traditional pearl cotton and foam, but the buffer structure is usually bent by manual operation, so that the production efficiency is low, and the cost of manpower and material resources in the production process of the buffer structure is increased.

Disclosure of utility model

The embodiment of the application provides forming equipment of a buffer structure, which can automatically form the buffer structure, improve the production efficiency and reduce the cost of manpower and material resources.

In a first aspect, an embodiment of the present application provides a forming apparatus for a cushioning structure, the cushioning structure being formed by bending a cardboard structure, the cardboard structure including a first side and a second side opposite to each other, the cardboard structure including a first panel and second panels disposed on opposite sides of the first panel, the two second panels being respectively bent at least twice toward the first side with respect to the first panel such that the two second panels partially overlap to form the cushioning structure, the forming apparatus including a forming structure including two forming members disposed at opposite intervals along a first direction, the two forming members being movably disposed along the first direction and a second direction, the two forming members being respectively configured to push the two second panels sequentially from the second sides of the two second panels toward the first side at least twice along the second direction and the first direction such that the two second panels partially overlap, the first direction being perpendicular to the second direction.

According to the first aspect of the application, the forming device further comprises a fixing structure, wherein the fixing structure is provided with a negative pressure hole along the second direction, and the fixing structure is used for being arranged on the first side of the first plate and limiting the first plate.

According to the first aspect of the application, the forming device further comprises at least one of a bubble removing structure and a blanking structure and a first conveying structure, the first conveying structure is rotatably arranged around a first axis extending in the second direction and is connected with the fixed structure, the at least one of the bubble removing structure and the blanking structure and the forming structure are arranged on the outer periphery side of the first conveying structure at intervals, and the first conveying structure is used for driving the fixed structure to move between the at least one of the bubble removing structure and the blanking structure and the forming structure.

According to the first aspect of the application, the first conveying structure comprises a driving piece and a rotary table arranged on the driving piece, the driving piece is used for driving the rotary table to rotate around the first axis, the rotary table is connected with the fixed structure, and at least one of the bubble removing structure and the blanking structure is arranged at the downstream of the forming structure along the rotation direction of the first conveying structure.

According to a first aspect of the application, one of the two shaped parts comprises a first bracket and a roller arranged on the first bracket, the roller is positioned on one side of the first bracket close to the other shaped part along a first direction, the axis of the roller extends along a third direction, and the third direction is perpendicular to the first direction and the second direction respectively, and/or one of the two shaped parts comprises a second bracket and a push plate arranged on the second bracket, the push plate is arranged close to the other shaped part along the first direction, and the thickness of the push plate along the second direction gradually decreases from one side far away from the other shaped part to one side close to the other shaped part.

According to a first aspect of the present application, the second plate includes a first sub-plate and a second sub-plate sequentially disposed in a direction away from the first plate, the first sub-plate is bent at least once toward the first side with respect to the first plate, the second sub-plate is bent at least once toward the first side with respect to the first sub-plate, the second sub-plates of the two second plates are at least partially overlapped to form a buffer structure, the forming apparatus further includes a pre-folding structure disposed at a distance from the forming structure, the pre-folding structure includes a first pre-folding assembly and a second pre-folding assembly, the first pre-folding assembly includes two first pre-folding members disposed at a distance from each other, the two first pre-folding members are respectively configured to drive the two first sub-plates to bend toward the first side with respect to the first plate, and the second pre-folding assembly includes two second pre-folding members disposed at a distance from each other, the two second pre-folding members are respectively configured to drive the two second sub-plates to bend toward the first side with respect to the first sub-plate.

According to a first aspect of the application, the first pre-folded part comprises a push rod rotatably arranged around a second axis and a pre-folded plate rotatably arranged around a third axis, the extending direction of the second axis is parallel to the extending direction of the third axis, the pre-folded plate is connected with the push rod, the push rod is used for pushing the pre-folded plate to rotate around the third axis, the pre-folded plate is used for pushing the first sub-plate to turn from the second side of the corresponding first sub-plate so that the first sub-plate bends towards the first side relative to the first plate, and/or the second pre-folded part is arranged downstream of the first pre-folded part and comprises a linear driving part and a roller connected with the linear driving part, the rollers of the two second pre-folded parts are movably arranged in the direction of approaching or separating from each other, and the roller is used for pushing the second sub-plate to turn from the second side of the corresponding second sub-plate so that the second sub-plate bends towards the first side relative to the first sub-plate.

According to a first aspect of the present application, the forming apparatus further comprises a limiting structure, wherein the limiting structure comprises a limiting block movably arranged along the second direction, the limiting block is located between the two first pre-folded pieces and/or between the two second pre-folded pieces, and the limiting block is arranged on the first side of the first plate and limits the first plate.

According to a first aspect of the present application, the forming apparatus further comprises a second transport structure for transporting the cardboard structure in a fourth direction, the first pre-folding assembly and the second pre-folding assembly being arranged at intervals in the fourth direction, the first pre-folding assembly and the second pre-folding assembly being arranged on opposite sides of the second transport structure, the first direction being perpendicular to the fourth direction.

According to a first aspect of the present application, the second transporting structure includes a transporting assembly and a plurality of connecting assemblies for connecting the cardboard structure, the plurality of connecting assemblies are sequentially arranged along a fourth direction and movably arranged along the fourth direction with respect to the transporting assembly, the forming apparatus further includes a carrier, the pre-folded structure is arranged on the carrier, a receiving cavity is formed inside the carrier, an opening is provided towards one side of the pre-folded structure along a second direction, the second transporting structure is arranged in the receiving cavity, and the opening exposes the second transporting structure, wherein the connecting assemblies are configured to be telescopically arranged along the second direction.

According to a first aspect of the present application, the forming apparatus further includes a positioning structure disposed at one side of the second transporting structure, the positioning structure being located upstream of the pre-folding structure, the positioning structure including two first positioning members disposed opposite to each other in a fourth direction and two second positioning members disposed opposite to each other in a fifth direction, a distance between the two first positioning members in the fourth direction being adjustable, a distance between the two second positioning members in the fifth direction being adjustable, the fifth direction being perpendicular to the first direction and the fourth direction, respectively.

In the forming device of the buffer structure provided by the embodiment of the application, the buffer structure is formed by bending a paperboard structure, the paperboard structure comprises a first side and a second side which are opposite, the paperboard structure comprises a first plate and two second plates, the two second plates are respectively bent at least twice towards the first side relative to the first plate, and the two second plates are partially overlapped to form the buffer structure. The forming equipment comprises a forming structure, the forming structure comprises two forming parts which are oppositely arranged, the two forming parts are arranged along the first direction and the second direction in a movable mode, therefore, the paperboard structure is placed between the two forming parts, the two forming parts are respectively pushed to bend towards the first side relative to the first plate along the second direction from the second sides of the two second plate, the two second plates are in an approximately vertical state relative to the first plate, then the two forming parts are used for pushing the two second plates from the second sides of the two second plates along the first direction towards one side close to each other, the two second plates are continuously bent towards the first side to be partially overlapped, so that the buffer structure is formed, the automatic forming of the buffer structure is realized, the production efficiency of the buffer structure can be improved, and the labor cost and the material cost in the production process of the buffer structure are reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of a paperboard structure provided in accordance with a first embodiment of the application;

FIG. 2 is a schematic view of a first embodiment of the present application during bending of a cardboard structure;

FIG. 3 is a schematic diagram of a buffer structure according to a first embodiment of the present application.

Fig. 4 is a schematic view of a molding structure of a molding apparatus according to a first embodiment of the present application.

Fig. 5 is a schematic view of a molding apparatus according to a first embodiment of the present application.

Fig. 6 is a schematic view of a bubble removing structure of a molding apparatus according to a first embodiment of the present application.

Fig. 7 is a schematic diagram of a blanking structure of a molding apparatus according to a first embodiment of the present application.

Fig. 8 is a schematic view of a pre-folding structure of a molding apparatus according to a first embodiment of the present application.

Fig. 9 is a sectional view of a molding apparatus according to a first embodiment of the present application.

Fig. 10 is another schematic view of a molding apparatus according to a first embodiment of the present application.

Reference numerals:

The buffer structure 100, the cardboard structure 1000, the first side S1, the second side S2, the first plate 110, the second plate 120, the first sub-plate 130, the second sub-plate 140, the forming structure 10, the forming part 11, the first bracket 111, the roller 112, the second bracket 113, the push plate 114, the driving module 12, the supporting plate 121, the first cylinder 122, the second cylinder 123, the bubble removing structure 20, the pressing plate 21, the first displacement part 22, the blanking structure 30, the guide assembly 31, the guide groove 311, the grabbing assembly 32, the second displacement part 321, the clamping jaw 322, the first transportation structure 40, the fixing structure 41, the driving part 421, the rotating disc 422, the prefolding structure 50, the first prefolding assembly 51, the first prefolding part 511, the push rod 512, the prefolding assembly 513, the second prefolding assembly 52, the second prefolding part 521, the linear driving part 522, the roller 53, the second transportation structure 60, the transportation assembly 61, the connecting assembly 62, the sucker main body 621, the telescopic rod 622, the carrying platform 70, the accommodating cavity 71, the positioning structure 80, the first positioning part 81, the second positioning part 82, the driving part 82, the third positioning part 92, the third sliding rail 93, and the third sliding rail 93.

The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments. Specific embodiments of the present application have been shown by way of the above drawings and will be described in more detail below. The drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but rather to illustrate the inventive concepts to those skilled in the art by reference to the specific embodiments.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying claims.

It should be noted that, in this document, the terms "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, the element(s) defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other like elements in different embodiments of the application having the same meaning as may be defined by the same meaning as they are explained in this particular embodiment or by further reference to the context of this particular embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The term "if" as used herein may be interpreted as "at..once" or "when..once" or "in response to a determination", depending on the context. Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or" and/or "as used herein are to be construed as inclusive, or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of A, B, C, A and B, A and C, B and C, A, B and C". An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive. When describing the structure of a component, when a layer, an area, is referred to as being "on" or "over" another layer, another area, it can be directly on the other layer, another area, or other layers or areas can be included between the layer, another area, and the other layer, another area. And if the component is turned over, that layer, one region, will be "under" or "beneath" the other layer, another region. In the embodiment of the application, "B corresponding to A" means that B is associated with A, from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may also determine B from a and/or other information.

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

In the following description, suffixes such as "module", "part" or "unit" for representing elements are used only for facilitating the description of the present application, and have no specific meaning per se. Thus, "module," "component," or "unit" may be used in combination.

First embodiment

The forming apparatus provided in the embodiment of the present application is used for preparing the cushioning structure 100, where the cushioning structure 100 is formed by bending a cardboard structure 1000 shown in fig. 1, the cardboard structure 1000 includes a first side S1 and a second side S2 opposite to each other, the cardboard structure 1000 includes a first plate 110 and second plates 120 disposed on opposite sides of the first plate 110, as shown in fig. 2, the two second plates 120 are respectively bent at least twice toward the first side S1 with respect to the first plate 110, so that the two second plates 120 may be partially overlapped to form the cushioning structure 100 shown in fig. 3. It will be appreciated that the cushioning structure 100 may include a top wall, a bottom wall, and two side walls connecting the top wall and the bottom wall, where the first plate 110 of the cardboard structure 1000 forms the bottom wall of the cushioning structure 100, the two second plates 120 form the two side walls and the top wall of the cushioning structure 100, respectively, and the top wall is formed by overlapping a portion of the two second plates 120, and the top wall, the bottom wall, and the two side walls of the cushioning structure 100 may enclose a cushioning cavity formed, so that when the cushioning structure 100 is placed in the package, the cushioning effect may be exerted on the product in the package.

As shown in fig. 4, the molding apparatus includes a molding structure 10, the molding structure 10 includes two molding members 11 disposed at opposite intervals along a first direction Y, the two molding members 11 are movably disposed along the first direction Y and a second direction X, the two molding members 11 are respectively configured to push the two second plate members 120 to bend at least twice toward the first side S1 along the second direction X and the first direction Y sequentially from the second side S2 of the two second plate members 120, such that the two second plate members 120 partially overlap, and the first direction Y is perpendicular to the second direction X.

The first direction Y may be a direction in which the two molding members 11 approach or separate from each other, that is, a direction in which the two molding members 11 are arranged, the second direction X may be a thickness direction when the board structure 1000 is placed between the two molding members 11, the first direction Y may be a horizontal direction when the molding apparatus is placed on a flat surface, and the second direction X may be a vertical direction.

In the forming apparatus, the two forming members 11 are disposed at opposite intervals, before the cushioning structure 100 is formed, the cardboard structure 1000 may be placed between the two forming members 11, and the two second plate members 120 of the cardboard structure 1000 are respectively located above the two forming members 11 along the second direction X, that is, the two forming members 11 are respectively located at the second sides S2 of the two second plate members 120, so when the forming members 11 move along the second direction X, they may push the second plate members 120 to bend towards the first side S1 relative to the first plate members 110 from the second sides S2 of the corresponding second plate members 120, so that the second plate members 120 are approximately in the erected state, then the two forming members 11 move towards the sides close to each other along the first direction Y, and the forming members 11 may continuously push the second plate members 120 to bend towards the first side S1 from the second sides S2 of the corresponding second plate members 120 until the two second plate members 120 partially overlap, that is, so that forming of the cushioning structure 100 is achieved. It will be appreciated that glue, which may be double sided glue or glue dispensed by a dispenser, etc., may be provided on at least one of the two second panels 120 prior to the cardboard structure 1000 being placed on the two forming members 11, so that the two second panels 120 may adhere to each other when the two forming members 11 respectively push the two second panels 120 to be folded to partially overlap, to improve the structural reliability of the cushioning structure 100. It should be clear that the movable arrangement of the two molding members 11 in the first direction Y and the second direction X means that at least part of the molding members 11 is movable in the above-mentioned direction, that is, the molding members 11 may be moved as a whole, or part of the molding members 11 may be moved relative to the rest of the molding members 11, which is not limited in this embodiment.

In the embodiment of the present application, the forming apparatus includes the forming structure 10, the forming structure 10 includes two forming members 11 disposed opposite to each other, and the two forming members 11 are disposed movably along the first direction Y and the second direction X, so that the cardboard structure 1000 is disposed between the two forming members 11, the two forming members 11 push the two second plate members 120 to bend towards the first side S1 relative to the first plate member 110 along the second direction X respectively from the second sides S2 of the two second plate members 120, so that the two second plate members 120 are in an approximately vertical state relative to the first plate member 110, and then push the two second plate members 120 to push the two second plate members 120 towards each other along the first direction Y from the second sides S2 of the two second plate members 120, so that the two second plate members 120 continue to overlap towards the first sides S1 to form the buffer structure 100, thereby realizing automatic forming of the buffer structure 100, and reducing the labor cost and material cost in the production process of the buffer structure 100.

It should be appreciated that the paperboard structure 1000 may be a pre-folded, creased paperboard structure 1000, for example, a first crease may be formed between the first panel 110 and the second panel 120 to facilitate the forming member 11 pushing the second panel 120 to bend. Of course, the paperboard structure 1000 may be a paperboard structure 1000 without the pre-folding operation, which is not limited in this embodiment.

Referring to fig. 5, according to the first aspect of the present application, the forming apparatus further includes a fixing structure 41, the fixing structure 41 is provided with a negative pressure hole along the second direction X, and the fixing structure 41 is configured to be disposed on the first side S1 of the first plate 110 and limit the first plate 110.

The fixing structure 41 is provided with a negative pressure hole along the second direction X, and the negative pressure hole can be communicated with a negative pressure device, so that the fixing structure 41 is arranged on the first side S1 of the first plate 110, and the negative pressure hole of the fixing structure 41 can absorb the first plate 110 to limit the first plate 110, so that the forming piece 11 pushes the second plate 120 to bend relative to the first plate 110.

Moreover, the shape of the fixing structure 41 may be adapted to the shape of the buffer cavity of the buffer structure 100, for example, when the buffer cavity is square, the shape of the fixing structure 41 may be square, and when the buffer cavity is cylindrical, the shape of the fixing structure 41 may be cylindrical, so that in the forming process of the buffer structure 100, the fixing structure 41 may also be equivalent to the forming internal mold of the buffer structure 100, and in the bending process of the second plate 120, the second plate 120 may be shaped, so that the second plate 120 may be bent to form the buffer structure 100 with a corresponding shape.

It will be appreciated that the securing structure 41 is disposed on the first side S1 of the first plate 110, and therefore, when the second plate 120 is bent toward the first side S1 relative to the first plate 110 and forms the cushioning structure 100, the securing structure 41 is located in the cushioning cavity of the cushioning structure 100.

As shown in fig. 5, according to the first aspect of the present application, the forming apparatus further includes at least one of the bubble removing structure 20 and the blanking structure 30 and a first transporting structure 40, the first transporting structure 40 is rotatably disposed around a first axis extending in the second direction X and is connected to the fixing structure 41, at least one of the bubble removing structure 20 and the blanking structure 30 and the forming structure 10 are disposed at a distance on an outer peripheral side of the first transporting structure 40, and the first transporting structure 40 is configured to drive the fixing structure 41 to move between the at least one of the bubble removing structure 20 and the blanking structure 30 and the forming structure 10.

As shown in fig. 6, the bubble removing structure 20 may include two pressing plates 21 disposed opposite to each other in the first direction Y, and the two pressing plates 21 are disposed to be movable in the first direction Y, so that the buffer structure 100 may be pressed by moving the two pressing plates 21 toward each other by interposing the buffer structure 100 between the two pressing plates 21 to remove bubbles in the gel for bonding the two second plate members 120 in the buffer structure 100. The blanking structure 30 is used to transport the buffer structure 100 into a corresponding storage or into downstream equipment. The first transporting structure 40 is used for transporting the buffer structure 100 to the bubble removing structure 20 and/or the blanking structure 30, and in particular, the first transporting structure 40 is connected with the fixing structure 41, so that during the rotation of the first transporting structure 40 around the first axis extending in the second direction X, it can drive the fixing structure 41 and the buffer structure 100 on the fixing structure 41 to rotate together around the first axis. At least one of the bubble removing structure 20 and the blanking structure 30 and the forming structure 10 are arranged at intervals on the outer periphery side of the first transporting structure 40, so that after the buffer structure 100 is formed at the forming structure 10, the first transporting structure 40 can drive the fixing structure 41 and the buffer structure 100 on the fixing structure 41 around the first axis to move to the bubble removing structure 20 and/or the blanking structure 30 for bubble removing operation and/or blanking operation, so that automatic transportation, automatic bubble removing and automatic blanking of the buffer structure 100 are realized, the production efficiency of the buffer structure 100 can be further improved, and meanwhile, the structure between the forming structure 10 and at least one of the bubble removing structure 20 and the blanking structure 30 can be more compact, so that the whole volume of the forming equipment is reduced.

It will be appreciated that, since the fixing structure 41 is carried by the first transporting structure 40 together with the buffer structure 100 to the bubble removing structure 20 and/or the blanking structure 30, the buffer structure 100 can be supported in the buffer cavity of the buffer structure 100 by the fixing structure 41 during the bubble removing process, so as to prevent the buffer structure 100 from being deformed under the pressing of the pressing plate 21.

It should be clear that, when the foam removing structure 20 is disposed in the forming apparatus, the first transporting structure 40 may transport the buffer structure 100 formed in the forming structure 10 to the foam removing structure 20, when the blanking structure 30 is disposed in the forming apparatus, the first transporting structure 40 may transport the buffer structure 100 formed in the forming structure 10 to the blanking structure 30, and when the foam removing structure 20 and the blanking structure 30 are disposed in the forming apparatus, the first transporting structure 40 may transport the buffer structure 100 formed in the forming structure 10 to the foam removing structure 20 for foam removing treatment, and then transport the buffer structure 100 after foam removing to the blanking structure 30.

Optionally, the number of the fixing structures 41 may be plural, and the plural fixing structures 41 are respectively connected with the first transporting structure 40, when the first transporting structure 40 moves the fixing structure 41 at the forming structure 10 to the bubble removing structure 20 and/or the blanking structure 30, the other fixing structure 41 may be synchronously moved by the first transporting structure 40 to the forming structure 10 to continuously limit the cardboard structure 1000 at the forming structure 10, so that the forming process of the buffer structure 100 may be continuously and continuously implemented.

Moreover, before the fixing structure 41 is moved to the forming structure 10, it can also suck the cardboard structure 1000 to be formed at a preset loading level, so as to convey the cardboard structure 1000 to the forming structure 10 for forming operation under the driving of the first conveying structure 40, thus no additional loading mechanism is needed or manual loading is performed, and further cost is saved.

With reference to fig. 5, according to the first aspect of the present application, the first transporting structure 40 includes a driving member 421 and a turntable 422 disposed on the driving member 421, the driving member 421 is configured to drive the turntable 422 to rotate around a first axis, the turntable 422 is connected to the fixing structure 41, and at least one of the bubble removal structure 20 and the blanking structure 30 is disposed downstream of the forming structure 10 along a rotation direction of the first transporting structure 40.

Alternatively, the fixing structure 41 may include a first connecting member provided with a negative pressure hole for connection with the first plate 110 and a second connecting member for connection with the rotary table 422, which may be connected through bolt fastening, and have a simple structure and convenient assembly.

The turntable 422 rotates around the first axis under the driving of the driving piece 421, and meanwhile, the turntable 422 is connected with the fixed structure 41, so that the fixed structure 41 and the buffer structure 100 on the fixed structure 41 can be driven to rotate around the first axis, the structure is simple, and the transmission is stable. Since at least one of the de-bubbling structure 20 and the blanking structure 30 is disposed downstream of the forming structure 10 along the rotation direction of the first transporting structure 40, after the forming of the buffer structure 100 at the forming structure 10 is completed, the driving member 421 can drive the fixing structure 41 and the buffer structure 100 on the fixing structure 41 to rotate to the de-bubbling structure 20 and/or the blanking structure 30 through the turntable 422.

It should be noted that, in the present application, upstream and downstream are relatively speaking, upstream refers to an end or a distance that the buffer structure 100 or the board structure 1000 preferentially passes during transportation relative to downstream, and downstream refers to an end or a distance that the buffer structure 100 or the board structure 1000 needs to pass after passing upstream relative to upstream, that is, a direction from upstream to downstream is a transportation direction of the buffer structure 100 or the board structure 1000 during the forming process of the buffer structure 100.

With continued reference to fig. 6, optionally, the bubble removing structure 20 may further include at least two first displacement members 22, where the first displacement members 22 drive the platen 21 to move along the first direction Y, and the first displacement members 22 may include any component capable of being driven linearly, such as a cylinder, a linear motor, a rail assembly, etc., which is not limited in this embodiment.

As shown in fig. 7, the blanking structure 30 includes a guiding component 31 and a grabbing component 32 disposed on one side of the guiding component 31 along the second direction X, a guiding slot 311 is formed on one side of the guiding component 31 facing the grabbing component 32, and the grabbing component 32 is used for grabbing the buffer structure 100 into the guiding slot 311, so that the buffer structure 100 is guided by the guiding slot 311, and blanking of the buffer structure 100 is achieved.

Optionally, the guiding assembly 31 includes a guiding member and a bracket connected to the guiding member, the bracket is used for supporting the guiding member, the guiding member forms the guiding groove 311, and part of the guiding member is inclined relative to the rest of the guiding member along the second direction X, so that the bottom wall of the guiding groove 311 forms an inclined surface to facilitate blanking.

Optionally, the grabbing component 32 includes a second displacing member 321 and a clamping jaw 322, where the second displacing member 321 is used to drive the clamping jaw 322 to move, the clamping jaw 322 includes a cylinder and two clamping blocks, the cylinder includes a cylinder body and two pistons disposed on two opposite sides of the cylinder body, and the two clamping blocks are respectively disposed on the two pistons, so as to achieve mutual approaching or mutual separating through the two pistons, thereby being capable of clamping the buffer structure 100.

With continued reference to fig. 4, according to the first aspect of the present application, one of the two molding members 11 includes a first bracket 111 and a roller 112 disposed on the first bracket 111, the roller 112 is located on one side of the first bracket 111 near the other molding member 11 along a first direction Y, an axis of the roller 112 extends along a third direction Z, and the third direction Z is perpendicular to the first direction and the second direction, respectively.

It will be appreciated that when the paperboard structure 1000 is placed between two profiled members 11, the first direction Y may be one of the length or width directions of the paperboard structure 1000 and the third direction Z may be the other.

In the present embodiment, the roller 112 pushes the second plate 120 from the second side S2 of the second plate 120, and rolling friction occurs between the molding member 11 and the second plate 120, so as to reduce damage of the molding member 11 to the second plate 120.

With continued reference to fig. 4, and/or, one of the two molding members 11 includes a second support 113 and a push plate 114 disposed on the second support 113, the push plate 114 is disposed near the other molding member 11 along the first direction Y, and the thickness of the push plate 114 along the second direction X gradually decreases from a side far from the other molding member 11 to a side near the other molding member 11.

It can be appreciated that, during the forming process of the buffer structure 100, the push plate 114 may push the corresponding second plate 120 to bend to the preset forming position, and then push the corresponding second plate 120 to bend to the preset forming position through the other forming member 11, and during the process of pushing the second plate 120 by the other forming member 11, the push plate 114 may perform the resetting action synchronously, so as to avoid affecting the overlapping effect of the two second plates 120. The thickness of the push plate 114 along the second direction X gradually decreases from the side far away from the other molding member 11 to the side near the other molding member 11, so when the push plate 114 performs the resetting action and the other molding member 11 pushes the corresponding second plate 120 to bend to the preset molding position, the risk of position interference between the push plate 114 and the other molding member 11 can be reduced, and the impact of the two to the service life is avoided.

With reference to fig. 4, optionally, the forming structure 10 further includes a driving module 12, where the driving module 12 includes a supporting plate 121, a first cylinder 122 and two second cylinders 123, the piston of the first cylinder 122 extends along a first direction Y, the supporting plate 121 is connected with the piston of the first cylinder 122, the two forming members 11 and the two second cylinders 123 are all disposed on the supporting plate 121, the two second cylinders 123 are connected with the two forming members 11 in a one-to-one correspondence manner, the piston of the second cylinder 123 extends along a second direction X to drive the corresponding forming members 11 to move along the second direction X, and the first cylinder 122 is capable of integrally driving the supporting plate 121 and the forming members 11 and the second cylinders 123 located on the supporting plate 121 to move along the first direction Y, so that compared with the case that the two cylinders are disposed to drive the two second cylinders 123 and the two forming members 11 to move along the first direction Y in a one-to-one correspondence manner, the number of cylinders can be reduced, and the cost can be saved.

With continued reference to fig. 1, according to the first aspect of the present application, the second plate 120 includes a first sub-plate 130 and a second sub-plate 140 sequentially disposed along a direction away from the first plate 110, the first sub-plate 130 is bent at least once towards the first side S1 relative to the first plate 110, the second sub-plate 140 is bent at least once towards the first side S1 relative to the first sub-plate 130, and the second sub-plates 140 of the two second plates 120 at least partially overlap to form the buffer structure 100.

A first crease may be formed between the first sub-board 130 and the first board 110, and a second crease may be formed between the second sub-board 140 and the first sub-board 130. In the forming process of the buffer structure 100, the two forming members 11 push the corresponding first sub-boards 130 from the second sides S2 of the two first sub-boards 130 along the second direction X, so that the first sub-boards 130 bend towards the first sides S1 to be approximately vertical relative to the first plate 110, and then the two forming members 11 push the corresponding second sub-boards 140 from the second sides S2 of the two second sub-boards 140 towards each other along the first direction Y, so that the second sub-boards 140 bend towards the first sides S1 to be approximately horizontal relative to the first sub-boards 130, at this time, the two second sub-boards 140 may at least partially overlap. It is understood that when a glue is provided on at least one of the two second plate members 120, the glue may be located on the second sub-plate 140 such that the two second sub-plates 140 may be glued when at least partially overlapped.

As shown in fig. 8, the forming apparatus further includes a pre-folding structure 50 spaced from the forming structure 10, where the pre-folding structure 50 includes a first pre-folding assembly 51 and a second pre-folding assembly 52, the first pre-folding assembly 51 includes two first pre-folding members 511 disposed at opposite intervals, the two first pre-folding members 511 are respectively used for driving the two first sub-boards 130 to bend toward the first side S1 relative to the first board 110, the second pre-folding assembly 52 includes two second pre-folding members 521 disposed at opposite intervals, and the two second pre-folding members 521 are respectively used for driving the two second sub-boards 140 to bend toward the first side S1 relative to the first sub-board 130.

The pre-folding structure 50 is spaced from the forming structure 10, and may be located upstream of the forming structure 10, and the cardboard structure 1000 is transported to the forming structure 10 for forming after being pre-folded by the pre-folding structure 50, so as to form the corresponding buffer structure 100. Specifically, the first pre-folding component 51 is used for pre-folding the first sub-board 130, so that a first crease is formed between the first sub-board 130 and the first board 110, and the second pre-folding component 52 is used for pre-folding the second sub-board 140, so that a second crease is formed between the second sub-board 140 and the first sub-board 130, thereby reducing the difficulty of pushing the corresponding board to bend by the molding piece 11 and improving the molding efficiency.

In the first pre-folding assembly 51, the two first pre-folding members 511 respectively correspond to the two first sub-boards 130, and are respectively used for pushing the two first sub-boards 130 to bend relative to the first board 110 to form a first crease. In the second pre-folding assembly 52, two second pre-folding members 521 respectively correspond to two second sub-boards 140, and are respectively used for pushing the two second sub-boards 140 to bend relative to the first sub-board 130 to form second folds.

Alternatively, the first pre-folded member 511 and the second pre-folded member 521 may include any member capable of driving the plate member to bend, such as a clamping jaw, a pushing plate, a roller, etc., and the first pre-folded member 511 and the second pre-folded member 521 may have the same structure or different structures, which is not limited in this embodiment.

With continued reference to fig. 8, according to the first aspect of the present application, the first pre-folded member 511 includes a push rod 512 rotatably disposed about a second axis and a pre-folded plate 513 rotatably disposed about a third axis, the extending direction of the second axis is parallel to the extending direction of the third axis, the pre-folded plate 513 is connected to the push rod 512, the push rod 512 is used for pushing the pre-folded plate 513 to rotate about the third axis, and the pre-folded plate 513 is used for pushing the first sub-board 130 to flip from the second side S2 of the corresponding first sub-board 130, such that the first sub-board 130 is bent towards the first side S1 relative to the first board 110.

Specifically, during pre-folding, by placing the cardboard structure 1000 between the two first pre-folding pieces 511 and positioning the two first sub-boards 130 above the pre-folding pieces 513 of the two first pre-folding pieces 511, that is, the pre-folding pieces 513 of the two first pre-folding pieces 511 are positioned at the second sides S2 of the two first sub-boards 130, when the push rod 512 pushes the pre-folding pieces 513 to turn over, the pre-folding pieces 513 can drive the corresponding first sub-boards 130 to turn over relative to the first board 110 so as to form a first crease between the first sub-boards 130 and the first board 110, so that the pre-folding of the first sub-boards 130 is achieved.

Alternatively, the first pre-folded piece 511 may further include a rotation driving mechanism such as a rotary motor to drive the push rod 512 to rotate.

With continued reference to fig. 8, and/or the second pre-folding assembly 52 is disposed downstream of the first pre-folding assembly 51, the second pre-folding assembly 521 includes a linear driving member 522 and rollers 523 connected to the linear driving member 522, the rollers 523 of the two second pre-folding assemblies 521 are movably disposed in a direction approaching or separating from each other, and the rollers 523 are configured to push the second sub-board 140 to flip from the second side S2 of the corresponding second sub-board 140, so that the second sub-board 140 bends towards the first side S1 relative to the first sub-board 130.

Specifically, the second pre-folding assembly 52 is disposed downstream of the first pre-folding assembly 51, and after the first sub-board 130 is pre-folded by the first pre-folding assembly 51, the second sub-board 140 is pre-folded by the second pre-folding assembly 52. It can be appreciated that the first sub-board 130 may be folded relative to the first board 110 after being pre-folded by the first pre-folding assembly 51, when the pre-folding is performed, by placing the board structure 1000 between the two second pre-folding members 521 and positioning the rollers 523 of the two second pre-folding members 521 on the second sides S2 of the two second sub-boards 140, when the linear driving members 522 of the two second pre-folding members 521 drive the rollers 112 to move in the directions approaching each other, the two rollers 112 can push the corresponding second sub-board 140 to be folded relative to the corresponding first sub-board 130 towards the first side S1, so that a second crease is formed between the second sub-board 140 and the first sub-board 130, thereby realizing pre-folding of the second sub-board 140.

Optionally, the second pre-folding member 521 may further include a linear driving mechanism such as an air cylinder, a hydraulic cylinder, and a linear motor, so as to drive the corresponding roller 112 to move.

With reference to fig. 8, according to the first aspect of the present application, the forming apparatus further includes a limiting structure, wherein the limiting structure includes a limiting block 53 movably disposed along the second direction X, the limiting block 53 is located between the two first pre-folded pieces 511 and/or between the two second pre-folded pieces 521, and the limiting block 53 is configured to be disposed on the first side S1 of the first plate 110 and limit the first plate 110.

Specifically, when the cardboard structure 1000 is placed between the two first pre-folded pieces 511 or between the two second pre-folded pieces 521, the stopper 53 may be moved to the first side S1 of the first plate 110 along the second direction X, so that the stopper 53 may limit the first plate 110 along the second direction X, preventing a positional deviation thereof during a subsequent pre-folding process, and thus, the pre-folding accuracy may be improved.

Further, the shape of the stopper 53 may be adapted to the shape of the cushioning structure 100 to be formed by the board structure 1000, so that the stopper 53 may also be used as a supporting internal mold for shaping the board structure 1000 during the pre-folding of the board structure 1000 during the pre-folding, so that the first and second sub-boards 130 and 140 may form the cushioning structure 100 of a predetermined shape in the forming structure 10 after the pre-folding.

Optionally, the limiting structure may further include a linear driving mechanism, such as an air cylinder, a hydraulic cylinder, a linear motor, and the like, for driving the limiting block 53 to move along the second direction X.

Alternatively, when the stoppers 53 are disposed between the two first pre-folded members 511 and the two second pre-folded members 521, the two stoppers 53 may be integrally formed with the structure 10, so that the cardboard structure 1000 may be guided by the stoppers 53 when the cardboard structure 1000 is transported between the first pre-folded member 51 and the second pre-folded member 52, thereby reducing the risk of positional deviation thereof and improving the pre-folding accuracy.

As shown in fig. 9, according to the first aspect of the present application, the forming apparatus further includes a second transporting structure 60, the second transporting structure 60 is used for transporting the cardboard structure 1000 along the fourth direction Y ', the first pre-folding assembly 51 and the second pre-folding assembly 52 are spaced along the fourth direction Y', and the first pre-folding assembly 51 and the second pre-folding assembly 52 are disposed at opposite sides of the second transporting structure 60, so that the buffer structure 100 to be formed can be transported between the first pre-folding assembly 51 and the second pre-folding assembly 52 through the second transporting structure 60 to improve the pre-folding efficiency.

It should be noted that the first direction Y is perpendicular to the fourth direction Y ', where the first direction Y may be a height direction of the second transport structure 60, and the fourth direction Y' may be a length direction of the second transport structure 60. In the first prefolding assembly 51, two first prefolds 511 are respectively disposed at opposite sides of the second transporting structure 60, and in the second prefolding assembly 52, two second prefolds 521 are respectively disposed at opposite sides of the second transporting structure 60, so that the cardboard structure 1000 may be positioned between the two first prefolds 511 and between the two second prefolds 521 during the transportation of the cardboard structure 1000 by the second transporting structure 60.

Alternatively, the second conveying structure 60 may be driven by any driving manner, such as belt driving, chain driving, roller driving, and the like, which is not limited in this embodiment.

With continued reference to fig. 9, according to a first aspect of the present application, the second transporting structure 60 includes a transporting component 61 and a plurality of connecting components 62 for connecting the cardboard structure 1000, the plurality of connecting components 62 are sequentially arranged along a fourth direction Y 'and movably disposed along the fourth direction Y' relative to the transporting component 61, the forming apparatus further includes a carrying platform 70, the pre-folded structure 50 is disposed on the carrying platform 70, a receiving cavity 71 is formed inside the carrying platform 70, an opening is opened towards one side of the pre-folded structure 50 along a second direction X of the carrying platform 70, the second transporting structure 60 is disposed in the receiving cavity 71, and the opening exposes the second transporting structure 60, wherein the connecting components 62 are configured to be telescopically disposed along the second direction X.

The connecting assembly 62 is disposed on the transporting assembly 61, and is configured to move the cardboard structure 1000 along the second direction X under the transportation of the transporting assembly 61. In this embodiment, the plurality of connection assemblies 62 are transported through the transport assembly 61 at the same time, so that the transportation cost can be saved. Moreover, the plurality of connecting assemblies 62 can respectively convey the cardboard structure 1000 between the first prefolding assembly 51 and the second prefolding assembly 52, between the second prefolding assembly 52 and the forming structure 10, and the like, so that the first prefolding assembly 51 and the second prefolding assembly 52 can prefolding different cardboard structures 1000 at the same time, that is, the first prefolding assembly 51 and the second prefolding assembly 52 can prefolding the cardboard structure 1000 continuously and uninterruptedly, so as to improve prefolding efficiency. For example, when the cardboard structure 1000 connected by one connecting component 62 is pre-folded at the first pre-folding component 51, the connecting component 62 drives the corresponding cardboard structure 1000 to move to the second pre-folding component 52 for pre-folding, and at the same time, the other connecting component 62 drives the corresponding cardboard structure 1000 to move to the first pre-folding component 51 for pre-folding.

The carrier 70 is used for carrying the pre-folding assembly and the second transport structure 60, specifically, one side of the carrier 70 along the first direction Y has a carrying surface, and a containing cavity 71 may be formed inside the carrying surface, the pre-folding structure 50 is disposed on the carrying surface of the carrier 70, and the second transport structure 60 is disposed in the containing cavity 71 formed inside the carrier 70, so that the space utilization rate on the carrier 70 may be improved, and the structure of the forming device is more compact. It can be appreciated that when the pre-folding structure 50 is disposed on the carrying surface of the carrier 70, the side of the carrier 70 facing the pre-folding structure 50 is the carrying surface side, that is, the carrying surface of the carrier 70 is provided with an opening exposing the second transporting structure 60 located in the accommodating cavity 71. The connecting component 62 is telescopically arranged along the second direction X, so when the connecting component 62 is connected with the paper board structure 1000 and drives the paper board structure 1000 to move along the fourth direction Y', the bearing surfaces of the paper board structure 1000 and the carrier 70 can be arranged at intervals along the second direction X by extending the connecting component 62 along the second direction X, so that the bearing surfaces of the paper board structure 1000 and the carrier 70 are prevented from being scratched.

Alternatively, the transporting assembly 61 may include a sliding rail extending along the fourth direction Y 'and a slider slidably disposed on the sliding rail, and the connecting assembly 62 is connected to the slider, so as to be movable along the fourth direction Y', and has a simple structure and stable transmission.

The connection assembly 62 may include a sucker main body 621 and a telescopic rod 622, the telescopic rod 622 is telescopically arranged along the second direction X, the sucker main body 621 is connected to the transport assembly 61 through the telescopic rod 622, the telescopic arrangement of the connection assembly 62 along the second direction X is achieved, the sucker main body 621 includes a plurality of suckers, and the plurality of suckers are respectively used for sucking the first plate 110 of the cardboard structure 1000 so as to drive the cardboard structure 1000 to move. Of course, the transporting assembly 61 and the connecting assembly 62 may have other structures, for example, the transporting assembly 61 may further include transporting components such as a conveyor belt, a conveyor chain, a conveyor roller, and the connecting assembly 62 may include gripping components such as a clamping jaw, which is not limited in this embodiment.

As shown in fig. 10, according to the first aspect of the present application, the forming apparatus further includes a positioning structure 80 disposed at one side of the second transporting structure 60, the positioning structure 80 being located upstream of the pre-folding structure 50, the positioning structure 80 including two first positioning pieces 81 disposed opposite in a fourth direction Y 'and two second positioning pieces 82 disposed opposite in a fifth direction Z', wherein a pitch of the two first positioning pieces 81 in the fourth direction Y 'is adjustably disposed, a pitch of the two second positioning pieces 82 in the fifth direction Z' is adjustably disposed, and the fifth direction Z 'is perpendicular to the first direction Y and the fourth direction Y', respectively.

The fifth direction Z' may be a width direction of the second transport structure 60. The positioning structure 80 is located upstream of the pre-folding structure 50, so that the cardboard structure 1000 can be transported to the pre-folding structure 50 for pre-folding after being positioned at the positioning structure 80, so that the position accuracy of the cardboard structure 1000 can be improved, and the pre-folding accuracy and the forming accuracy can be further improved.

Specifically, in the positioning structure 80, two first positioning members 81 are disposed at intervals along the fourth direction Y ', two second positioning members 82 are disposed at intervals along the fifth direction Z', and thus, a preset placement position for placing the cardboard structure 1000 may be formed between the two first positioning members 81 and the two second positioning members 82, when the cardboard structure 1000 is placed in the aforementioned preset placement position, the two first positioning members 81 may clamp the buffer structure 100 along the fourth direction Y ', and the two second positioning members 82 may clamp the buffer structure 100 along the fifth direction Z', thereby achieving positioning of the buffer structure 100. It is to be understood that, in the present embodiment, the adjustable arrangement of the distance between the two first positioning members 81 along the fourth direction Y 'means that at least one of the two first positioning members 81 can move toward or away from each other, and the adjustable arrangement of the distance between the two second positioning members 82 along the fifth direction Z' means that at least one of the two second positioning members 82 can move toward or away from each other.

In this embodiment, by setting the distance between the two first positioning members 81 along the fourth direction Y 'to be adjustable, the distance between the two second positioning members 82 along the fifth direction Z' to be adjustable, the size of the preset placement position along the fourth direction Y 'and the fifth direction Z' can be adjusted, so as to improve the application range of the positioning structure 80, and simultaneously, before positioning the board structure 1000, the size of the preset placement position can be increased, so that the board structure 1000 can be placed in the preset placement position, and the positioning difficulty can be reduced.

It can be appreciated that when the forming apparatus includes the positioning structure 80, the number of the connecting assemblies 62 in the second transporting structure 60 may be three, and the three connecting assemblies 62 are respectively disposed in one-to-one correspondence with the positioning structure 80, the first pre-folding assembly 51 and the second pre-folding assembly 52, so that the positioning structure 80, the first pre-folding assembly 51 and the second pre-folding assembly 52 can position or pre-fold the three cardboard structures 1000 at the same time, and the production efficiency of the buffer structure 100 may be further improved.

Optionally, the positioning structure 80 further includes at least one third cylinder and at least one fourth cylinder, where the third cylinder is connected to the first positioning member 81 and is used to drive the first positioning member 81 to move along the fourth direction Y ', and the fourth cylinder is connected to the second positioning member 82 and is used to drive the second positioning member 82 to move along the fifth direction Z'.

Alternatively, the positioning structure 80 may be disposed on the carrier 70, two second positioning members 82 may be disposed on both sides of the opening of the carrier 70 along the fifth direction Z ', one of the two first positioning members 81 may be disposed on a side of the opening away from the pre-folded structure 50 along the fourth direction Y', and the other one covers a portion of the opening, that is, at least a portion of the pre-set position is located at the opening, so that the connecting assembly 62 of the second transporting structure 60 may be moved to the pre-set position and connected to the cardboard structure 1000 after positioning the cardboard structure 1000 is completed.

The positioning structure 80 further includes a fifth air cylinder, where the fifth air cylinder is connected to one of the two first positioning members 81 near the pre-folding structure 50 and a third air cylinder corresponding to the first positioning member 81, and is configured to drive the first positioning member 81 and the corresponding third air cylinder to move along a fifth direction Z ', and when the positioning of the cardboard structure 1000 is completed, the connecting component 62 may drive the cardboard structure 1000 that is completed to move to the pre-folding structure 50 along a fourth direction Y ' to perform pre-folding, and at this time, the fifth air cylinder may drive one of the two first positioning members 81 near the pre-folding mechanism and the corresponding third air cylinder to move along the fifth direction Z ', so as to avoid the first positioning member 81 and the corresponding third air cylinder from blocking the movement of the cardboard structure 1000 that is completed in the above-mentioned positioning.

With continued reference to fig. 10, according to the first aspect of the present application, the forming apparatus further includes a feeding structure 90, the feeding structure 90 includes a suction cup assembly 91, and the suction cup assembly 91 is movably disposed along at least one of the fourth direction Y 'and the fifth direction Z' and the second direction X and is used for conveying the cardboard structure 1000 to the positioning structure 80, so as to achieve automatic feeding of the cardboard structure 1000, so as to improve the production efficiency of the buffering structure 100.

Optionally, the feeding structure 90 may further include a first sliding rail mechanism 92, at least one of a second sliding rail mechanism and a third sliding rail mechanism 93, where the first sliding rail mechanism 92 is used to drive the sucking disc assembly 91 to move along the fourth direction Y ', the second sliding rail mechanism is used to drive the sucking disc assembly 91 to move along the fifth direction Z', and the third sliding rail mechanism 93 is used to drive the sucking disc assembly 91 to move along the second direction X, so that the sucking disc assembly 91 sucks the cardboard structure 1000 and drives the cardboard structure 1000 to move, to realize automatic feeding of the cardboard structure 1000, and the feeding structure is simple in structure and stable in transmission.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (11)

1. A forming apparatus for a cushioning structure formed by bending a paperboard structure, the paperboard structure including opposed first and second sides, the paperboard structure including a first panel and second panels disposed on opposite sides of the first panel, the two second panels being bent at least twice toward the first side with respect to the first panel, respectively, such that the two second panels partially overlap to form the cushioning structure, the forming apparatus comprising:

The forming structure comprises two forming pieces which are arranged at intervals in a first direction, the two forming pieces are arranged along the first direction and the second direction in a movable mode, the two forming pieces are respectively used for pushing the two second plate pieces to bend towards the first side at least twice along the second direction and the first direction in sequence from the second sides of the two second plate pieces, the two second plate pieces are made to be overlapped partially, and the first direction is perpendicular to the second direction.

2. The molding apparatus of claim 1, further comprising a securing structure defining a negative pressure aperture along the second direction, the securing structure configured to be disposed on the first side of the first plate and to limit the first plate.

3. The molding apparatus of claim 2, further comprising a first transport structure and at least one of a de-bubbling structure and a blanking structure, the first transport structure rotatably disposed about a first axis extending in the second direction and connected to the fixed structure, the at least one of the de-bubbling structure and the blanking structure and the molding structure being disposed at a distance from an outer peripheral side of the first transport structure, the first transport structure being configured to drive the fixed structure to move between the at least one of the de-bubbling structure and the blanking structure and the molding structure.

4. A forming apparatus according to claim 3, wherein the first transporting structure comprises a driving member and a turntable arranged on the driving member, the driving member is configured to drive the turntable to rotate around the first axis, the turntable is connected with the fixing structure, and at least one of the bubble removing structure and the discharging structure is arranged downstream of the forming structure along the rotation direction of the first transporting structure.

5. The molding apparatus as claimed in any one of claims 1-4, wherein one of the two molded parts comprises a first bracket and a roller provided on the first bracket, the roller being located on a side of the first bracket adjacent to the other molded part in the first direction, an axis of the roller extending in a third direction perpendicular to the first direction and the second direction, respectively, and/or,

One of the two forming pieces comprises a second bracket and a push plate arranged on the second bracket, the push plate is arranged close to the other forming piece along the first direction, and the thickness of the push plate along the second direction is gradually reduced from one side far away from the other forming piece to one side close to the other forming piece.

6. The molding apparatus as claimed in any one of claims 1-4, wherein said second plate comprises a first sub-plate and a second sub-plate disposed in sequence in a direction away from said first plate, said first sub-plate being bent at least once toward said first side with respect to said first plate, said second sub-plate being bent at least once toward said first side with respect to said first sub-plate, said second sub-plates of two said second plates at least partially overlapping to form said cushioning structure,

The forming equipment further comprises a pre-folding structure arranged at intervals with the forming structure, the pre-folding structure comprises a first pre-folding component and a second pre-folding component, the first pre-folding component comprises two first pre-folding components arranged at intervals relatively, the two first pre-folding components are respectively used for driving the two first sub-boards to bend towards the first side relative to the first board, the second pre-folding component comprises two second pre-folding components arranged at intervals relatively, and the two second pre-folding components are respectively used for driving the two second sub-boards to bend towards the first side relative to the first sub-boards.

7. The molding apparatus of claim 6, wherein the molding apparatus comprises,

The first pre-folded piece comprises a push rod which is rotatably arranged around a second axis and a pre-folded plate which is rotatably arranged around a third axis, the extending direction of the second axis is parallel to the extending direction of the third axis, the pre-folded plate is connected with the push rod, the push rod is used for pushing the pre-folded plate to rotate around the third axis, the pre-folded plate is used for pushing the first sub-plate to turn from the second side of the corresponding first sub-plate, so that the first sub-plate bends towards the first side relative to the first plate, and/or,

The second pre-folding component is arranged at the downstream of the first pre-folding component, the second pre-folding component comprises a linear driving component and rollers connected with the linear driving component, the rollers of the two second pre-folding components are movably arranged in the directions of approaching or separating from each other, and the rollers are used for pushing the second sub-board to turn over from the second side of the corresponding second sub-board, so that the second sub-board bends towards the first side relative to the first sub-board.

8. The molding apparatus of claim 7, further comprising a limiting structure comprising a limiting block movably disposed along the second direction, the limiting block being located between the two first pre-folds and/or between the two second pre-folds, the limiting block being configured to be disposed on the first side of the first plate and limit the first plate.

9. The forming apparatus of claim 6, further comprising a second transport structure for transporting the paperboard structure in a fourth direction, the first and second pre-folding assemblies being spaced apart in the fourth direction, the first and second pre-folding assemblies each being disposed on opposite sides of the second transport structure, the first direction being perpendicular to the fourth direction.

10. The forming apparatus as claimed in claim 9, wherein the second transport structure includes a transport assembly and a plurality of connection assemblies for connecting the cardboard structure, a plurality of the connection assemblies being arranged in sequence along the fourth direction and being movably arranged along the fourth direction with respect to the transport assembly,

The forming equipment further comprises a carrying platform, the pre-folding structure is arranged on the carrying platform, a containing cavity is formed in the carrying platform, the carrying platform faces to one side of the pre-folding structure along the second direction, the second transporting structure is arranged in the containing cavity, and the opening exposes the second transporting structure, and the connecting assembly is arranged to be arranged in a telescopic mode along the second direction.

11. The molding apparatus of claim 9, further comprising a positioning structure disposed on one side of the second transport structure, the positioning structure being located upstream of the pre-folded structure, the positioning structure comprising two first positioning members disposed opposite in the fourth direction and two second positioning members disposed opposite in a fifth direction, a spacing of the two first positioning members in the fourth direction being adjustable, a spacing of the two second positioning members in the fifth direction being adjustable, the fifth direction being perpendicular to the first direction and the fourth direction, respectively.