A sanitary product folding mechanism and folding machine

Abstract

The application provides a sanitary product folding mechanism, which comprises a rack, a conveying device and a folding device, the conveying device comprises a feeding conveying part, a folding conveying part and a discharging conveying part arranged in sequence; the folding conveying part comprises a front conveying section and a rear conveying section, the front conveying section is smoothly connected with the feeding conveying part, the rear conveying section is smoothly connected with the discharging conveying part, the folding device is arranged opposite to the folding conveying part, and the sanitary product conveyed to the front conveying section is folded, and the folded sanitary product is pushed to the rear conveying section. The sanitary product folding mechanism, the conveying device and the folding device module are small in weight, and each module is convenient to install, disassemble and adjust. The feeding conveying part, the front conveying section, the rear conveying section and the discharging conveying part are all free of dead angles, so that the sanitary product runs smoothly in the folding conveying process, and the folding, conveying efficiency and folding effect are improved. The application further provides a sanitary product folding machine applying the sanitary product folding mechanism.

Description

Technical Field

[0001] This application belongs to the field of hygiene product manufacturing technology, specifically relating to a hygiene product folding mechanism and folding machine. Background Technology

[0002] Disposable hygiene products (such as diapers, changing pads, and sanitary napkins) are closely related to people's lives and health, and are basic products in the field of national health care. After production, disposable hygiene products generally need to go through processes such as folding and packaging. The folding process involves folding the disposable hygiene products in half or thirds to reduce their volume, making it easier to package them according to different specifications.

[0003] Currently, commonly used folding devices include a folding knife, an upper frame, and a lower frame. The upper and lower frames are each composed of multiple rollers. The rollers of the lower frame are surrounded by a conveyor belt to form a concave space, and the rollers of the upper frame are surrounded by a conveyor belt to form a loop structure that extends into the concave space. A slit is formed between the two to allow disposable sanitary products to pass through. The folding knife is set at a corresponding position in the slit. When 1 / 3 or 1 / 2 of the disposable sanitary product is conveyed to this position, the folding knife moves to fold the disposable sanitary product by 1 / 3 or 1 / 2.

[0004] The folding device described above also has the following problems: the upper frame and the lower frame are each an integral structure, which is extremely bulky and inconvenient to install and disassemble; the conveyor belt forms a recessed space with dead corners, making the conveying process of disposable hygiene products extremely unsmooth, and the corner guide rollers at both ends of the bottom of the concave space of the lower frame are prone to getting caught in the items to be folded. Utility Model Content

[0005] In view of the shortcomings of the prior art, this application provides a folding mechanism for sanitary products, which is used for folding and conveying disposable sanitary products, thereby improving the folding and conveying efficiency and folding effect of sanitary products.

[0006] The sanitary product folding mechanism includes a frame, on which a conveying device and a folding device are provided; The conveying device includes an infeed conveying section, a folding conveying section, and an outfeed conveying section arranged in sequence; the folding conveying section includes a front conveying section and a rear conveying section, the front conveying section being smoothly connected to the infeed conveying section, and the rear conveying section being smoothly connected to the outfeed conveying section; The folding device is disposed opposite to the folding conveyor section, and folds the sanitary products transported to the front conveyor section, while pushing the folded sanitary products to the rear conveyor section.

[0007] As a further improvement to the above solution, the folding device includes a drive assembly, a guide assembly, and a folding plate; The drive assembly is used to drive the folding plate to reciprocate in a predetermined direction, so that the folding plate moves closer to or away from the sanitary product, thereby completing the folding of the sanitary product; The guide component is used to define the running direction of the folding plate.

[0008] As a further improvement to the above solution, the drive assembly includes any one of a crank-slider mechanism, a lead screw-nut mechanism, or a gear-rack mechanism.

[0009] As a further improvement to the above solution, the drive assembly includes a crank, a slider is connected to the end of the crank, and the folding plate is connected to the slider; The guide assembly includes a guide sleeve, and the slider is slidably connected inside the guide sleeve via a guide rail; The crank drives the slider to slide relative to the guide sleeve in a predetermined direction, thereby causing the folding plate to reciprocate in the predetermined direction.

[0010] As a further improvement to the above solution, both the infeed conveying unit and the discharge conveying unit are clamping conveying units; The feeding conveying unit includes a first lower conveying component, a first upper conveying component, and a first conveying channel defined by the first lower conveying component and the first upper conveying component; The discharge conveying unit includes a second lower conveying component, a second upper conveying component, and a second conveying channel defined by the second lower conveying component and the second upper conveying component.

[0011] As a further improvement to the above solution, the folding conveying part is a clamping conveying part, including a folding conveying assembly; The front conveying section includes a front conveying channel defined by the folding conveying assembly and the first upper conveying assembly; the rear conveying section includes a rear conveying channel defined by the folding conveying assembly and the second upper conveying assembly.

[0012] As a further improvement to the above scheme, the front conveying channel is arranged perpendicularly to the rear conveying channel.

[0013] As a further improvement to the above solution, the angle between the first conveying channel and the front conveying channel is set to an obtuse angle, and the angle between the rear conveying channel and the second conveying channel is set to an obtuse angle.

[0014] As a further improvement to the above solution, a folding positioning groove is provided at the end of the front conveying section, with the opening of the folding positioning groove facing the end; before the folding device folds the sanitary product, a predetermined length portion of the sanitary product is located within the folding positioning groove.

[0015] This application also provides a sanitary product folding machine, including the sanitary product folding mechanism described in any one of the above.

[0016] Beneficial effects: The sanitary product folding mechanism provided in this application includes a frame, a conveying device and a folding device. The conveying device includes an infeed conveying section, a folding conveying section and an outfeed conveying section arranged in sequence. The folding conveying section includes a front conveying section and a rear conveying section. The conventional large integrated frame structure is improved into several groups of conveying device and folding device modules, reducing the weight of each module and facilitating the individual installation, disassembly and adjustment of each module.

[0017] The front conveyor section smoothly connects to the infeed conveyor section, and the rear conveyor section smoothly connects to the discharge conveyor section. The folding device is positioned opposite the folding conveyor section, folding the sanitary products transported to the front conveyor section and simultaneously pushing the folded sanitary products to the rear conveyor section. There are no dead angles in the infeed conveyor section, front conveyor section, rear conveyor section, and discharge conveyor section, ensuring smooth operation of the sanitary products during the folding and conveying process, thus improving folding and conveying efficiency and folding effect. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the sanitary product folding mechanism described in one embodiment of this application; Figure 2 for Figure 1 A schematic diagram of the conveyor device in a folding mechanism for hygiene products; Figure 3 for Figure 1 A schematic diagram of the folding device in the folding mechanism of hygiene products. Detailed Implementation

[0019] The present application will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, thereby making a clearer and more explicit definition of the scope of protection of the present application.

[0020] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0021] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art will understand the specific meaning of the above terms in this application based on the specific circumstances.

[0022] This application provides a folding mechanism for sanitary products, used for folding and conveying disposable sanitary products, thereby improving the efficiency and effect of folding and conveying sanitary products.

[0023] The disposable hygiene products include, but are not limited to, diapers, waterproof pads, and sanitary napkins. The hygiene product folding mechanism can fold the disposable hygiene products to a predetermined length, such as folding them in half or one-third, reducing their volume before packaging for easy storage and carrying.

[0024] Please see Figure 1 , Figure 1 The structure of the sanitary product folding mechanism according to one embodiment of this application is shown. In this embodiment, the sanitary product folding mechanism includes a frame 10, on which a conveying device and a folding device 30 are disposed.

[0025] The conveying device includes an infeed conveying section 21, a folding conveying section 22, and an outfeed conveying section 23 arranged sequentially. The infeed conveying section 21 is used to convey disposable sanitary products 100 to be folded to the folding conveying section 22. On the folding conveying section 22, the folding device 30 performs a folding action, and the sanitary product 100 is folded to a predetermined length, such as folded in half or one-third folded. The folded sanitary product 110 is then conveyed to the downstream section by the outfeed conveying section 23.

[0026] Furthermore, the folding conveying section 22 includes a front conveying section 221 and a rear conveying section 222. This sanitary product folding mechanism improves the conventional large integrated frame structure in the prior art into several sets of conveying devices and folding device modules, reducing the weight of each module and facilitating the individual installation, disassembly and adjustment of each module.

[0027] The front conveying section 221 is smoothly connected to the infeed conveying section 21, and the rear conveying section 222 is smoothly connected to the discharge conveying section 23. The folding device 30 is arranged opposite to the folding conveying section 22, and performs a folding action on the sanitary products 100 transported to the front conveying section 221, while pushing the folded sanitary products 110 to the rear conveying section 222.

[0028] There are no dead angles between the feeding conveyor section 21, the front conveyor section 221, the rear conveyor section 222 and the discharging conveyor section 23, which makes the sanitary products 100 and 110 run smoothly during the folding and conveying process, thereby improving the folding efficiency and effect of the sanitary products.

[0029] Please refer to the following: Figure 2 Furthermore, both the infeed conveying unit 21 and the outfeed conveying unit 23 are clamping conveying units to improve the conveying stability of the sheet-like sanitary products 100 and 110.

[0030] Specifically, the feeding conveying unit 21 includes a first lower conveying component 210, a first upper conveying component 211, and a first conveying channel 101 defined by the first lower conveying component 210 and the first upper conveying component 211. The sanitary products 100 to be folded are clamped in the first conveying channel 101 and conveyed to the front conveying section 221.

[0031] The discharge conveying unit 23 includes a second lower conveying component 230, a second upper conveying component 231, and a second conveying channel 102 defined by the second lower conveying component 230 and the second upper conveying component 231. The folded sanitary products 110 are clamped in the second conveying channel 102 and conveyed to the downstream section.

[0032] Furthermore, the folding conveying section 22 is a clamping conveying section, including a folding conveying assembly 220. The front conveying section 221 includes a front conveying channel 103 defined by the folding conveying assembly 220 and the first upper conveying assembly 211. The front conveying channel 103 is smoothly connected to the first conveying channel 101, and the sanitary product 100 to be folded is clamped and conveyed into the front conveying channel 103 by the first conveying channel 101 for folding.

[0033] The rear conveying section 222 includes a rear conveying channel 104 defined by the folding conveying assembly 220 and the second upper conveying assembly 231. The rear conveying channel 104 is smoothly connected to the second conveying channel 102, and the folded sanitary product 110 is clamped and conveyed into the second conveying channel 102 by the rear conveying channel 104.

[0034] In a preferred embodiment of this application, the front conveying channel 103 and the rear conveying channel 104 are arranged perpendicularly to improve the smoothness of the folding operation and the efficiency of the transition of sanitary products from the unfolded state to the folded state.

[0035] In this embodiment, the folding device 30 is disposed opposite to the rear conveying channel 104, on the side of the front conveying channel 103 facing away from the rear conveying channel 104. When the folding device 30 performs its folding action on the sanitary product 100 located in the front conveying channel 103, the running direction of the folding device 30 is also perpendicular to the front conveying channel 103. Thus, while performing the folding action, the folding device 30 pushes the folded sanitary product 110 into the rear conveying channel 104, and then the sanitary product 110 is clamped and conveyed by the rear conveying channel 104 into the second conveying channel 102.

[0036] It is understood that in other embodiments of this application, the angle between the front conveying channel 103 and the rear conveying channel 104 may be any angle other than a right angle.

[0037] In a preferred embodiment of this application, the included angle between the first conveying channel 101 and the front conveying channel 103 is set to an obtuse angle to reduce the resistance when the sanitary product 100 to be folded is transferred from the infeed conveying section 21 to the front conveying channel 103, so that the sanitary product 100 smoothly transitions into the front conveying channel 103, and further prevents the sanitary product 100 from deforming or deviating.

[0038] In a preferred embodiment of this application, the included angle between the rear conveying channel 104 and the second conveying channel 102 is also set to an obtuse angle to reduce the resistance when the folded sanitary product 110 is transferred from the rear conveying channel 104 to the second conveying channel 102, so that the sanitary product 110 can smoothly transition to the second conveying channel 102, and further prevent the sanitary product 110 from deforming or deviating.

[0039] Please continue reading. Figure 1 and Figure 2 In the embodiments of this application, a folding positioning groove 40 is provided at the end of the front conveying section 221. The folding positioning groove 40 is disposed opposite to the front conveying channel 103, and the opening of the folding positioning groove 40 faces the end of the front conveying section 221.

[0040] After the sanitary product 100 to be folded is clamped and transported by the first conveying channel 101 to the front conveying channel 103, it is clamped and transported by the front conveying channel 103 so that a predetermined length of the sanitary product 100 enters the folding positioning groove 40, and then the folding device 30 folds the sanitary product 100.

[0041] During the folding process, the folding positioning groove 40 provides support for the sanitary product 100, and the folding device 30 acts on the sanitary product 100 at a predetermined fold located between the opening of the folding positioning groove 40 and the end of the front conveying section 221.

[0042] The predetermined length portion of the sanitary product 100 is configured such that the predetermined crease is opposite to the rear conveying channel 104, so that the folded sanitary product 110 is in a predetermined folding shape of the sanitary product 100 to be folded, such as a half-fold shape (the predetermined crease corresponds to half the length of the sanitary product 100) or a third-fold shape (the predetermined crease corresponds to one-third the length of the sanitary product 100), and the folded sanitary product 110 is pushed into the rear conveying channel 104.

[0043] Please refer to the following: Figure 3 In the embodiments of this application, the folding device 30 includes a driving component 31, a guiding component 32, and a folding plate 33.

[0044] The drive assembly 31 is used to drive the folding plate 33 to reciprocate in a predetermined direction, so that the folding plate 33 moves closer to or away from the sanitary product 100, thereby completing the folding of the sanitary product 100.

[0045] In this embodiment, the drive assembly 31 includes a crank-slider mechanism. Specifically, the drive assembly 31 includes a crank 310, a slider 311 is connected to the end of the crank 310, and the folding plate 33 is connected to the slider 311.

[0046] It is understood that in other embodiments of this application, the drive assembly 31 may also include any one of linear drive mechanisms such as a lead screw and nut mechanism, a gear and rack mechanism, a linear motor, or a cylinder.

[0047] The guide component 32 is used to limit the running direction of the folding plate 33, so that the folding plate 33 reciprocates along the predetermined direction.

[0048] Furthermore, the guide assembly 32 includes a guide sleeve 320 and an installation assembly 321. The guide sleeve 320 is connected to the frame 10 through the installation assembly 321, and the slider 311 is slidably connected inside the guide sleeve 320 through a guide rail.

[0049] During the folding operation, the crank 310 rotates, driving the slider 311 to slide relative to the guide sleeve 320 in a predetermined direction, thereby causing the folding plate 33 to reciprocate in the predetermined direction.

[0050] In this embodiment, the predetermined direction is the extension direction of the rear conveying channel 104.

[0051] Understandably, the folding plate 33 approaches the sanitary product 100 along the predetermined direction and acts on the predetermined fold, causing the sanitary product 100 to fold along the predetermined fold. At the same time, under the pushing action of the folding plate 33, the sanitary product 110 enters the rear conveying channel 104, and then the folding plate 33 resets in the opposite direction (away from the sanitary product 110 along the predetermined direction).

[0052] This application also provides a sanitary product folding machine, which includes at least one set of the above-mentioned sanitary product folding mechanism. Specifically, when the predetermined folding shape of the sanitary product is a half-fold shape, the sanitary product folding machine includes one set of the sanitary product folding mechanism; when the predetermined folding shape of the sanitary product is a one-third fold shape, the sanitary product folding machine includes two sets of the sanitary product folding mechanism arranged sequentially.

[0053] Understandably, in some embodiments, the sanitary product folding machine can also fold the sanitary product into an n-fold shape, where n > 3. Understandably, in this embodiment, the sanitary product folding machine includes n-1 sets of the sanitary product folding mechanism.

[0054] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A folding mechanism for hygiene products, characterized in that, Includes a frame, on which a conveying device and a folding device are provided; The conveying device includes an infeed conveying section, a folding conveying section, and an outfeed conveying section arranged in sequence; the folding conveying section includes a front conveying section and a rear conveying section, the front conveying section being smoothly connected to the infeed conveying section, and the rear conveying section being smoothly connected to the outfeed conveying section; The folding device is disposed opposite to the folding conveyor section, and folds the sanitary products transported to the front conveyor section, while pushing the folded sanitary products to the rear conveyor section.

2. The folding mechanism for sanitary products according to claim 1, characterized in that, The folding device includes a drive assembly, a guide assembly, and a folding plate; The drive assembly is used to drive the folding plate to reciprocate in a predetermined direction, so that the folding plate moves closer to or away from the sanitary product, thereby completing the folding of the sanitary product; The guide component is used to define the running direction of the folding plate.

3. The folding mechanism for sanitary products according to claim 2, characterized in that, The drive assembly includes any one of a crank-slider mechanism, a lead screw-nut mechanism, or a gear and rack mechanism.

4. The folding mechanism for sanitary products according to claim 2, characterized in that, The drive assembly includes a crank, a slider is connected to the end of the crank, and the folding plate is connected to the slider; The guide assembly includes a guide sleeve, and the slider is slidably connected inside the guide sleeve via a guide rail; The crank drives the slider to slide relative to the guide sleeve in a predetermined direction, thereby causing the folding plate to reciprocate in the predetermined direction.

5. The folding mechanism for sanitary products according to claim 1, characterized in that, Both the infeed conveyor and the outfeed conveyor are clamping conveyors. The feeding conveying unit includes a first lower conveying component, a first upper conveying component, and a first conveying channel defined by the first lower conveying component and the first upper conveying component; The discharge conveying unit includes a second lower conveying component, a second upper conveying component, and a second conveying channel defined by the second lower conveying component and the second upper conveying component.

6. The folding mechanism for sanitary products according to claim 5, characterized in that, The folding conveyor is a clamping conveyor, including a folding conveyor assembly; The front conveying section includes a front conveying channel defined by the folding conveying assembly and the first upper conveying assembly; the rear conveying section includes a rear conveying channel defined by the folding conveying assembly and the second upper conveying assembly.

7. The sanitary product folding mechanism according to claim 6, characterized in that, The front conveying channel and the rear conveying channel are arranged perpendicularly.

8. The folding mechanism for sanitary products according to claim 6, characterized in that, The angle between the first conveying channel and the front conveying channel is set to an obtuse angle, and the angle between the rear conveying channel and the second conveying channel is set to an obtuse angle.

9. The folding mechanism for sanitary products according to claim 1, characterized in that, A folding positioning groove is provided at the end of the front conveying section, with the opening of the folding positioning groove facing the end; before the folding device folds the sanitary product, a predetermined length portion of the sanitary product is located within the folding positioning groove.

10. A folding machine for hygiene products, characterized in that, It includes at least one sanitary product folding mechanism as described in any one of claims 1-9.

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