A composite pearl cotton and cutting equipment thereof

Abstract

The present invention discloses a composite EPE cotton material, comprising an EPE main layer, one end of which is provided with a nylon surface layer and the other end of which is provided with a nylon bottom layer; and a composite EPE cotton cutting device, comprising a rolling cutting mechanism, the rolling cutting mechanism comprising an upper composite roller and a lower composite roller. The composite EPE cotton material is formed by hot pressing between the nylon layers at two attached end surfaces to form an airbag structure located within an airbag hole and having a buffering function. When used with a thin EPE main layer, the composite EPE material not only has good air permeability, is soft and easy to wrap, but also has excellent impact resistance. The cutting device can simultaneously perform hot pressing to form the airbag, press the upper and lower thorns into the EPE main layer, and perform segmented cutting, resulting in comprehensive overall functionality and strong practicality.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging material production, and more particularly to a composite pearl cotton and a cutting device thereof. Background Art

[0002] Pearl cotton not only offers excellent breathability, but also offers excellent impact resistance when its thickness is moderate. However, when pearl cotton is set to a smaller thickness, while it is widely used as a packaging material, it essentially loses its excellent impact resistance. This means that the packaged goods still need to be considered for impact resistance or drop resistance, which is limited and the overall effect is poor. Accordingly, the present invention provides a composite pearl cotton and cutting equipment. Summary of the Invention

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a composite pearl cotton and a cutting device thereof.

[0004] In order to solve the above technical problems, the object of the present invention is achieved as follows: the composite pearl cotton involved in the present invention comprises a pearl cotton main layer, one end of the pearl cotton main layer is provided with a nylon surface layer, and the other end is provided with a nylon bottom layer;

[0005] The pearl cotton main layer is provided with a plurality of airbag hole groups arranged at equal intervals along its width direction, and each of the airbag hole groups includes a plurality of airbag single holes arranged at equal intervals along the length direction of the pearl cotton main layer; a nylon airbag is provided in the single airbag hole, one end of which is connected to the nylon surface layer and the other end is connected to the nylon bottom layer.

[0006] The present invention is further configured as follows: the nylon airbag is formed by connecting an upper bladder sheet and a lower bladder sheet through circumferential welding; the upper bladder sheet is integrally arranged on the nylon surface layer; and the lower bladder sheet is integrally arranged on the nylon bottom layer.

[0007] The present invention is further configured as follows: the nylon surface layer is provided with a plurality of upper ventilation hole groups arranged at equal intervals along the width direction thereof, each of the upper ventilation hole groups includes a plurality of upper ventilation single holes arranged at equal intervals along the length direction of the nylon surface layer, and an upper thorn piece connected to the nylon surface layer is provided in the upper ventilation single hole, and the upper thorn piece is bent and inserted into the pearl cotton main body layer;

[0008] The nylon bottom layer is provided with a plurality of lower ventilation hole groups arranged at equal intervals along its width direction, and each of the lower ventilation hole groups includes a plurality of lower ventilation single holes arranged at equal intervals along the length direction of the nylon bottom layer, and a lower thorn piece connected to the nylon bottom layer is provided in the lower ventilation single hole, and the lower thorn piece is bent and inserted into the pearl cotton main layer.

[0009] The composite pearl cotton cutting device involved in the present invention comprises a rolling cutting mechanism, which comprises an upper composite roller and a lower composite roller;

[0010] The upper composite roller comprises an upper roller, two ends of the upper roller are respectively provided with an upper roller end plate, the upper roller end plate is provided with an upper shaft body arranged coaxially with the upper roller, the cylinder wall of the upper roller is provided with an upper heat-sealing ring group equal in number and spacing to the airbag hole groups, the upper heat-sealing ring group comprises a plurality of upper heat-sealing rings distributed in a circular array with equal intervals around the axis of the upper roller, the circumferential distance between two adjacent upper heat-sealing rings is equal to the spacing between two adjacent airbag holes, an upper negative pressure hole is provided on the upper roller in the center of the upper heat-sealing ring, one of the upper shaft bodies is provided with an upper negative pressure channel with one end connected to the interior of the upper roller, the upper heat-sealing ring is provided with a first electric heating component, and the upper roller is provided with a cutter extending along the axial direction;

[0011] The lower composite roller includes a lower roller, both ends of the lower roller are respectively provided with a lower roller end plate, the lower roller end plate is provided with a lower shaft body arranged coaxially with the lower roller, the cylinder wall of the lower roller is provided with a lower heat-sealing ring group with the same number and spacing as the airbag hole groups, the lower heat-sealing ring group includes a plurality of lower heat-sealing rings distributed in a circular array with equal angles around the axis of the lower roller, the circumferential distance between two adjacent lower heat-sealing rings is equal to the spacing between two adjacent airbag holes, the center of the lower heat-sealing ring is provided with a lower negative pressure hole opened on the lower roller, one of the lower shaft bodies is provided with a lower negative pressure channel with one end connected to the interior of the lower roller, and the lower heat-sealing ring is provided with a second electric heating component.

[0012] The present invention is further configured as follows: the upper roller is provided with a protruding roller wall and an upper pressing knife for pressing the upper thorn piece into the pearl cotton main layer; the lower roller is provided with a protruding roller wall and a lower pressing knife for pressing the lower thorn piece into the pearl cotton main layer.

[0013] The present invention is further configured as follows: the upper roller and the lower roller are embedded with heat-insulating rings which are respectively sleeved on the upper heat-sealing ring and the lower heat-sealing ring.

[0014] In summary, the present invention has the following beneficial effects:

[0015] The composite pearl cotton involved in the present invention forms an airbag structure located in the airbag hole and having a buffering function by hot pressing between the nylon layers on the two mounting end surfaces. When it is combined with a thin pearl cotton main body layer, the packaging material not only has good air permeability, is soft and easy to wrap, but also has better impact resistance.

[0016] The composite pearl cotton cutting device involved in the present invention can simultaneously realize the hot pressing and forming of the air bag, pressing the upper and lower thorn pieces into the pearl cotton main body layer, and segmented cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the composite pearl cotton used in the present invention;

[0018] Figure 2 This is a schematic diagram of the decomposition structure of the composite pearl cotton used in the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the nylon surface layer of the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of the nylon bottom layer of the present invention;

[0021] Figure 5 It is a partial structural diagram of the present invention for reflecting the rolling cutting mechanism;

[0022] Figure 6 It is a partial structural schematic diagram of the present invention for reflecting the rolling cutting mechanism. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the preferred embodiments of the present invention are described below in conjunction with specific examples. However, it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the patent claims of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0024] The present invention will be further described below with reference to the accompanying drawings and preferred embodiments.

[0025] Example 1

[0026] See also Figures 1 to 4 As shown, the composite EPE involved in this embodiment includes an EPE main layer 10, wherein one end of the EPE main layer 10 is provided with a nylon surface layer 20 and the other end is provided with a nylon bottom layer 30;

[0027] The pearl cotton main layer 10 is provided with a plurality of airbag hole groups arranged at equal intervals along its width direction, and each of the airbag hole groups includes a plurality of airbag single holes 11 arranged at equal intervals along the length direction of the pearl cotton main layer; a nylon airbag 40 is provided in the airbag single hole 11, one end of which is connected to the nylon surface layer 20 and the other end is connected to the nylon bottom layer 30.

[0028] Furthermore, the nylon airbag 40 is formed by an upper airbag sheet 41 and a lower airbag sheet 42 connected by circumferential welding. The upper airbag sheet 41 is integrally provided on the nylon surface layer 20 , and the lower airbag sheet 42 is integrally provided on the nylon bottom layer 30 .

[0029] Furthermore, the nylon surface layer 20 is provided with a plurality of upper ventilation hole groups arranged at equal intervals along the width direction thereof, each of the upper ventilation hole groups includes a plurality of upper ventilation single holes 21 arranged at equal intervals along the length direction of the nylon surface layer 20, and an upper thorn piece 22 connected to the nylon surface layer 20 is provided in the upper ventilation single hole 21, and the upper thorn piece 22 is bent and inserted into the pearl cotton main layer 10;

[0030] The nylon bottom layer 30 is provided with a plurality of lower ventilation hole groups arranged at equal intervals along its width direction, and each of the lower ventilation hole groups includes a plurality of lower ventilation single holes 31 arranged at equal intervals along the length direction of the nylon bottom layer 30. The lower ventilation single hole 31 is provided with a lower thorn piece 32 connected to the nylon bottom layer 30, and the lower thorn piece 32 is bent and inserted into the pearl cotton main layer 10.

[0031] In this embodiment, the dense upper thorn pieces 22 are bent and inserted into the pearl cotton main layer 10, so that the connection between the nylon surface layer 20 and the pearl cotton main layer 10 is completed without using an adhesive; and the opening of the upper breathable single hole 21 allows the composite pearl cotton to retain its original breathable function; the dense lower thorn pieces 32 are bent and inserted into the pearl cotton main layer 10, so that the connection between the nylon bottom layer 30 and the pearl cotton main layer 10 is completed without using an adhesive; and the opening of the lower breathable single hole 31 allows the composite pearl cotton to retain its original breathable function.

[0032] Among them, by hot pressing the upper bag sheet 41 which is integrated with the nylon surface layer 20 and the lower bag sheet 42 which is integrated with the nylon bottom layer 30 in the single hole 11 of the pearl cotton main layer 10 (during the process, negative pressure reverse suction can be combined to promote the formation of an airbag inside after hot pressing), a closed nylon airbag 40 is formed in the single hole 11 of the airbag for impact resistance.

[0033] See also Figures 1 to 6 As shown, a composite EPE cutting device according to this embodiment includes a rolling cutting mechanism, which includes an upper composite roller 50 and a lower composite roller 60;

[0034] The upper composite roller 50 includes an upper roller 51, with upper roller end plates 52 provided at both ends of the upper roller 51, and an upper shaft body 53 arranged coaxially with the upper roller on the upper roller end plate 52, and an upper heat-sealing ring group equal in number and spacing to the airbag hole groups is provided on the cylinder wall of the upper roller 51, and the upper heat-sealing ring group includes a plurality of upper heat-sealing rings 54 distributed in a circular array with equal angles around the axis of the upper roller, and the circumferential distance between two adjacent upper heat-sealing rings 54 is equal to the spacing between two adjacent airbag holes, and an upper negative pressure hole 55 is provided on the upper roller at the center of the upper heat-sealing ring 54, one of the upper shaft bodies 53 is provided with an upper negative pressure channel 56 having one end connected to the interior of the upper roller, a first electric heating component 57 is provided on the upper heat-sealing ring 54, and a cutter 58 extending along the axial direction is provided on the upper roller 51;

[0035] The lower composite roller 60 includes a lower roller 61, and lower roller end plates 62 are respectively provided at both ends of the lower roller 61. The lower roller end plate 62 is provided with a lower shaft body 63 which is coaxial with the lower roller. The wall of the lower roller 61 is provided with a lower heat-sealing ring group whose number is equal to the number of airbag hole groups and the spacing is also equal. The lower heat-sealing ring group includes a plurality of lower heat-sealing rings 64 distributed in a circular array with equal angles around the axis of the lower roller. The circumferential distance between two adjacent lower heat-sealing rings 64 is equal to the spacing between two adjacent airbag holes. The center of the lower heat-sealing ring 64 is provided with a lower negative pressure hole 65 opened on the lower roller, and one of the lower shaft bodies 63 is provided with a lower negative pressure channel 66 with one end connected to the interior of the lower roller. The lower heat-sealing ring 64 is provided with a second electric heating component (not shown in the figure).

[0036] Furthermore, the upper roller 51 is provided with an upper pressing knife 59 with a protruding roller wall for pressing the upper thorn piece into the pearl cotton main layer; the lower roller 61 is provided with a lower pressing knife 67 with a protruding roller wall for pressing the lower thorn piece into the pearl cotton main layer.

[0037] Furthermore, the upper roller 51 and the lower roller 61 are embedded with heat-insulating rings 70 which are respectively sleeved on the upper heat-sealing ring and the lower heat-sealing ring.

[0038] In this embodiment, the upper composite roller 50 and the lower composite roller 60 are rotated by operating the rolling mechanism to transmit the composite EPE located therebetween. During the transmission, the following actions are performed.

[0039] a. The upper heat-sealing ring 54 and the lower heat-sealing ring 64 are heated for heat sealing. As the upper composite roller 50 and the lower composite roller 60 rotate, the upper heat-sealing ring 54 presses part of the upper capsule 41 into the single airbag hole 11 of the pearl cotton main layer 10, and the lower heat-sealing ring 64 presses part of the lower capsule 42 into the single airbag hole 11 of the pearl cotton main layer 10. During this period, with the help of negative pressure suction, the upper capsule 41 bulges back toward the lower capsule 42, and the lower capsule 42 bulges back toward the upper capsule 41, resulting in a nylon airbag 40 located in the single airbag hole 11 formed between the heat-sealed upper capsule 41 and the lower capsule 42.

[0040] b. After the cutter 58 rotates and contacts the wall of the lower roller 61 again, it can cut the composite EPE passing through the middle transmission to achieve automatic cutting effect. The cutting method is rolling cutting.

[0041] c. The upper pressing knife 59 is arranged on the upper breathable single hole 21 on the nylon surface layer 20 by turnover rolling, so that it is pressed into the main body layer 10 of the pearl cotton to form a connection; the lower pressing knife 67 is arranged on the lower breathable single hole 31 on the nylon bottom layer 30 by turnover rolling, so that it is pressed into the main body layer 10 of the pearl cotton to form a connection.

[0042] The heat insulating ring 70 is provided to provide heat insulation.

[0043] The composite pearl cotton and its cutting equipment involved in the present invention, the composite pearl cotton involved in the present invention, the airbag structure located in the airbag hole and having a buffering function is formed by hot pressing between the nylon layers of the two mounting end surfaces, so that when it is matched with the pearl cotton main layer with a thinner thickness, not only the packaging material has good air permeability, is soft and easy to wrap, but also has better impact resistance; the composite pearl cotton cutting equipment involved in the present invention can simultaneously realize the hot pressing molding of the airbag, the pressing of the upper and lower thorn pieces into the pearl cotton main layer, and the segmented cutting, and the overall function is complete and the practicality is strong.

[0044] Unless otherwise specified, in the present invention, if there are terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicating orientation or positional relationship, they are based on the orientation or positional relationship actually shown and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limiting this patent. For those skilled in the art, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0045] Unless otherwise specified or limited, the terms "disposed," "connected," and "connected" in this disclosure should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections or indirect connections through an intermediary; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this disclosure based on the specific circumstances.

[0046] The above describes in detail the preferred embodiments of the present invention. It should be understood that those skilled in the art can make numerous modifications and variations based on the concepts of the present invention without inventive effort. Therefore, any technical solutions that can be derived by those skilled in the art through logical analysis, reasoning, or limited experimentation based on the concepts of the present invention and the prior art should be within the scope of protection defined by the claims.

Claims

1. A composite pearl cotton, comprising a pearl cotton main layer, characterized in that: One end of the pearl cotton main body layer is provided with a nylon surface layer, and the other end is provided with a nylon bottom layer; The pearl cotton main layer is provided with a plurality of airbag hole groups arranged at equal intervals along its width direction, and each of the airbag hole groups includes a plurality of airbag single holes arranged at equal intervals along the length direction of the pearl cotton main layer; a nylon airbag is provided in the single airbag hole, one end of which is connected to the nylon surface layer and the other end is connected to the nylon bottom layer.

2. The composite pearl cotton according to claim 1, characterized in that The nylon airbag is formed by connecting an upper airbag piece and a lower airbag piece through circumferential welding. The upper airbag piece is integrally arranged on the nylon surface layer, and the lower airbag piece is integrally arranged on the nylon bottom layer.

3. The composite pearl cotton according to claim 2, characterized in that The nylon surface layer is provided with a plurality of upper ventilation hole groups arranged at equal intervals along the width direction thereof, each of the upper ventilation hole groups includes a plurality of upper ventilation single holes arranged at equal intervals along the length direction of the nylon surface layer, and an upper thorn piece connected to the nylon surface layer is provided in the upper ventilation single hole, and the upper thorn piece is bent and inserted into the pearl cotton main body layer; The nylon bottom layer is provided with a plurality of lower ventilation hole groups arranged at equal intervals along its width direction, and each of the lower ventilation hole groups includes a plurality of lower ventilation single holes arranged at equal intervals along the length direction of the nylon bottom layer, and a lower thorn piece connected to the nylon bottom layer is provided in the lower ventilation single hole, and the lower thorn piece is bent and inserted into the pearl cotton main layer.

4. A composite pearl cotton cutting device according to claim 3, characterized in that: It includes a rolling and cutting mechanism, which includes an upper composite roller and a lower composite roller; The upper composite roller comprises an upper roller, two ends of the upper roller are respectively provided with an upper roller end plate, the upper roller end plate is provided with an upper shaft body arranged coaxially with the upper roller, the cylinder wall of the upper roller is provided with an upper heat-sealing ring group equal in number and spacing to the airbag hole groups, the upper heat-sealing ring group comprises a plurality of upper heat-sealing rings distributed in a circular array with equal intervals around the axis of the upper roller, the circumferential distance between two adjacent upper heat-sealing rings is equal to the spacing between two adjacent airbag holes, an upper negative pressure hole is provided on the upper roller in the center of the upper heat-sealing ring, one of the upper shaft bodies is provided with an upper negative pressure channel with one end connected to the interior of the upper roller, the upper heat-sealing ring is provided with a first electric heating component, and the upper roller is provided with a cutter extending along the axial direction; The lower composite roller includes a lower roller, both ends of the lower roller are respectively provided with a lower roller end plate, the lower roller end plate is provided with a lower shaft body arranged coaxially with the lower roller, the cylinder wall of the lower roller is provided with a lower heat-sealing ring group with the same number and spacing as the airbag hole groups, the lower heat-sealing ring group includes a plurality of lower heat-sealing rings distributed in a circular array with equal angles around the axis of the lower roller, the circumferential distance between two adjacent lower heat-sealing rings is equal to the spacing between two adjacent airbag holes, the center of the lower heat-sealing ring is provided with a lower negative pressure hole opened on the lower roller, one of the lower shaft bodies is provided with a lower negative pressure channel with one end connected to the interior of the lower roller, and the lower heat-sealing ring is provided with a second electric heating component.

5. The composite pearl cotton cutting device according to claim 4, characterized in that: The upper roller is provided with a protruding roller wall and an upper pressing knife for pressing the upper thorn piece into the pearl cotton main layer; the lower roller is provided with a protruding roller wall and a lower pressing knife for pressing the lower thorn piece into the pearl cotton main layer.

6. The composite pearl cotton cutting device according to claim 5, characterized in that: The upper roller and the lower roller are embedded with heat-insulating rings which are respectively sleeved on the upper heat-sealing ring and the lower heat-sealing ring.

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