Embossing processing device for outer periphery and diversion trench of absorption product

Abstract

The utility model discloses a knurling processing device for the outer periphery and a diversion trench of an absorption product. The knurling processing device comprises a first mechanical assembly and a second mechanical assembly, the first mechanical assembly is used for embossing and compositing the outer periphery of the absorption product, and the first mechanical assembly comprises a first mechanical element I and a second mechanical element I which are correspondingly arranged; the second mechanical assembly is used for forming an embossed pattern on a diversion trench of the absorption product, and the second mechanical assembly comprises a first mechanical element II and a second mechanical element II which are oppositely arranged; the first mechanical element I and the first mechanical element II respectively apply heat and pressure to the outer periphery of the absorption product and the diversion trench; the second mechanical element I and the second mechanical element II can rotate, the surface of the second mechanical element I is provided with at least two groups of embossing structures I with different adjacent patterns, and the surface of the second mechanical element II is provided with at least two groups of embossing structures II with different adjacent patterns; and the peripheral seal of the core body and the embossed pattern structure of the diversion trench are combined flexibly.

Description

TECHNICAL FIELD

[0001] The utility model relates to sanitary article technical field especially is involved in a kind of outer periphery and flow guide groove embossing processing device of absorbent article. BACKGROUND

[0002] In the production process of existing sanitary napkin, the surface layer is compounded with both sides of non-woven fabric, and then compounded with cotton core through hot melt adhesive, and then adhered with bottom film after embossing by flow guide groove, and then product periphery is sealed, product cutter is passed, and the shape of sanitary napkin with wing is formed. In the above process, at least two hot melt adhesives are needed to adhere the upper and lower sheet materials to the intermediate cotton core. However, hot melt adhesive is a chemical product, which is not environmentally friendly and can increase the risk of skin disease. Based on this, the applicant developed a product that can form a core without the help of hot melt adhesive, and has applied for prior Chinese patent CN202323577521.7 glue-free environmentally friendly sanitary napkin.

[0003] Since the upper and lower sheet materials and the intermediate cotton core in the glue-free sanitary napkin are not adhered by hot melt adhesive, if the traditional process described above is used, it is easy to cause the cotton core to be skewed. Therefore, the applicant proposes a way to press the cotton core with the upper and lower sheet materials and emboss at a specific position to overcome the above problems. At the same time, considering the aesthetics of product design, different embossing designs are used on the outer periphery and flow guide groove of the absorbent article. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides an outer periphery and flow guide groove embossing processing device of absorbent article, which is flexible in combination of embossing structure of core periphery and flow guide groove.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The outer periphery and flow guide groove embossing processing device of absorbent article applies heat and pressure to emboss the outer periphery and flow guide groove of continuous absorbent article, respectively, so that different embossing patterns are formed on adjacent absorbent articles, comprising:

[0007] A first mechanical assembly is used to emboss the outer periphery of absorbent article, which includes a first mechanical element I and a second mechanical element I arranged correspondingly;

[0008] A second mechanical assembly is used to form embossing patterns on the flow guide groove of absorbent article, which includes a first mechanical element II and a second mechanical element II arranged oppositely;

[0009] The first mechanical element I and the first mechanical element II apply heat and pressure to the outer periphery and flow guide groove of absorbent article, respectively;

[0010] The second mechanical element I and the second mechanical element II are rotatable, and the surface of the second mechanical element I has at least two groups of embossing structures I with different adjacent patterns, and the surface of the second mechanical element II has at least two groups of embossing structures II with different adjacent patterns.

[0011] Further or preferably:

[0012] The first mechanical element I is an ultrasonic welding head or a hot press roller, and the second mechanical element I is an anvil roller.

[0013] The first mechanical element II is an ultrasonic welding head or a hot press roller, and the second mechanical element II is an anvil roller.

[0014] In the case of the first mechanical element I being an ultrasonic welding head, the first mechanical element I and the outer periphery of the absorbent article adopt sliding friction welding; in the case of the first mechanical element I being a hot press roller, the first mechanical element I and the outer periphery of the absorbent article adopt rolling friction welding.

[0015] In the case of the first mechanical element II being an ultrasonic welding head, the first mechanical element II and the flow guide groove of the absorbent article adopt sliding friction welding; in the case of the first mechanical element II being a hot press roller, the first mechanical element II and the flow guide groove of the absorbent article adopt rolling friction welding.

[0016] The second mechanical element I and the second mechanical element II are both two-open or more rotating roller structures, and the corresponding pattern structures of each open are different.

[0017] The first mechanical assembly further comprises a first force applying mechanism, which continuously acts on the first mechanical element I and the second mechanical element I to approach each other.

[0018] The second mechanical assembly further comprises a second force applying mechanism, which continuously acts on the first mechanical element II and the second mechanical element II to approach each other.

[0019] The embossing structure I is separate from the second mechanical element I, and the embossing structure II is separate from the second mechanical element II.

[0020] The outer periphery of the absorbent article is composed of an outer edge periphery and a wing area, and the embossing structure I is used for pressing the wing area; the second mechanical element I further comprises an embossing structure III for sealing the outer edge periphery.

[0021] Compared with the prior art, the utility model has the following advantages:

[0022] The outer periphery and the flow guide groove embossing device of the absorbent product are reasonable in design, the rotating rollers corresponding to the welding heads in the device are designed as two openings, and the corresponding patterns are different in each opening, the embossing pattern structure combination of the core periphery seal and the flow guide groove is flexible, the embossing is formed through ultrasonic direct welding, and high-speed production is suitable. BRIEF DESCRIPTION OF DRAWINGS

[0023] The content expressed by each figure in the specification and the marks in the figures are briefly described as follows:

[0024] Figure 1 It is a schematic diagram of the processing system of the utility model.

[0025] Figure 2 It is a comparative schematic diagram of the flow guide groove embossing and the periphery seal embossing of the utility model.

[0026] Figure 3 And Figure 4 It is a periphery seal embossing schematic diagram of the utility model.

[0027] Figure 5 It is a embossing combination schematic diagram of the utility model.

[0028] In the figure:

[0029] 1. Flow guide groove ultrasonic embossing welding equipment, 2. Periphery seal ultrasonic embossing welding equipment. DETAILED DESCRIPTION

[0030] The specific embodiments of the utility model are further explained in detail by comparing the figures and describing the embodiments.

[0031] As Figures 1 to 5 Indicated, the outer periphery and the flow guide groove embossing device of the absorbent product, including the first mechanical assembly for embossing compound at the outer periphery of absorbent product and the second mechanical assembly for forming embossing pattern on the flow guide groove of absorbent product;By applying heat and pressure respectively on the outer periphery and the flow guide groove of continuous absorbent product embossing, so that different embossing patterns are formed on adjacent absorbent products.

[0032] The first mechanical assembly for embossing compound at the outer periphery of absorbent product of the utility model includes the first mechanical element I and the second mechanical element I arranged correspondingly;The second mechanical assembly for forming embossing pattern on the flow guide groove of absorbent product includes the first mechanical element II and the second mechanical element II arranged oppositely. The first mechanical element I and the first mechanical element II apply heat and pressure to the outer periphery and the flow guide groove of absorbent product respectively;The second mechanical element I and the second mechanical element II can rotate, and the surface of the second mechanical element I has at least two groups of different adjacent pattern embossing structures I, and the surface of the second mechanical element II has at least two groups of different adjacent pattern embossing structures II.

[0033] The first mechanical element I is an ultrasonic welding head or a hot pressing roller, and the second mechanical element I is an anvil roller; if the first mechanical element I is an ultrasonic welding head, the first mechanical element I and the outer periphery of the absorbent product are welded by sliding friction; if the first mechanical element I is a hot pressing roller, the first mechanical element I and the outer periphery of the absorbent product are welded by rolling friction. The first mechanical element II is an ultrasonic welding head or a hot pressing roller, and the second mechanical element II is an anvil roller; if the first mechanical element II is an ultrasonic welding head, the first mechanical element II and the flow guide groove of the absorbent product are welded by sliding friction; if the first mechanical element II is a hot pressing roller, the first mechanical element II and the flow guide groove of the absorbent product are welded by rolling friction. The above-mentioned processing is suitable for high-speed production.

[0034] Further, the first mechanical assembly further comprises a first force applying mechanism, which continuously acts on the first mechanical element I and the second mechanical element I to approach each other; the second mechanical assembly further comprises a second force applying mechanism, which continuously acts on the first mechanical element II and the second mechanical element II to approach each other. The embossing effect can be effectively improved.

[0035] The second mechanical element I and the second mechanical element II are both two or more open roller structures, and the corresponding pattern structures of each open are different. The embossing structure I is separate from the second mechanical element I, and the embossing structure II is separate from the second mechanical element II. The design is two or more openings, and the corresponding patterns of each opening are different. The embossing pattern structure combination of the core body periphery seal and the flow guide groove is flexible.

[0036] Further, the outer periphery of the absorbent product is composed of an outer edge periphery and a wing area, and the wing area is pressed by the embossing structure I; the second mechanical element I further comprises an embossing structure III for sealing the outer edge periphery; the outer edge periphery and the wing area are synchronously formed into embossing structures, and the molding is efficient.

[0037] The utility model optimizes the specific examples as follows:

[0038] As shown in Figures 1 to 5 The outer periphery and the flow guide groove embossing processing device of the absorbent product is used for forming different patterns on the outer periphery and the flow guide groove of adjacent core body parts to be processed; the device comprises a first ultrasonic welding equipment and a second ultrasonic welding equipment, and the embossing is directly welded by the ultrasonic welding equipment, so that the production efficiency is high and the device is suitable for high-speed production.

[0039] The first ultrasonic welding equipment is used for combining the outer periphery of the product, and the first ultrasonic welding equipment comprises a corresponding welding head I and a bottom roller I; the second ultrasonic welding equipment is used for forming embossing patterns on the flow guide groove of the product core body, and the second ultrasonic welding equipment comprises a corresponding welding head II and a bottom roller II; the bottom roller I and the bottom roller II both have different pattern structures.

[0040] The first ultrasonic welding device is a circumferential sealing ultrasonic embossing welding device 2, and the second ultrasonic welding device is a flow guide groove ultrasonic embossing welding device 1, the circumferential sealing ultrasonic embossing welding device is located behind the flow guide groove ultrasonic embossing welding device in the production running direction, and the welding composite direct embossing forming is suitable for high-speed production.

[0041] The flow guide groove ultrasonic embossing welding device is an ultrasonic arc welding device, and the circumferential sealing ultrasonic embossing welding device is an ultrasonic flat welding device. The circumferential sealing embossing and the flow guide groove embossing are designed to be flexibly combined. Preferably, the combination is realized by the flow guide groove embossing ultrasonic arc welding and the circumferential sealing ultrasonic embossing flat welding, and the production efficiency is high.

[0042] The bottom roller I and the bottom roller II are both two-open roller structures, and the pattern structures corresponding to each opening are different. Preferably, the bottom roller I and the bottom roller II are both two-open roller structures. As shown in the figure, the bottom rollers corresponding to the welding heads in the system are all designed to be two-open, and the patterns corresponding to each opening are different. Therefore, 2*2=4 kinds of design combinations are formed (the number of openings of the bottom roller design is mainly determined by the size of the matching parts, and the smaller the better). Figure 5

[0043] The device is designed reasonably, the bottom rollers corresponding to the welding heads in the system are all designed to be two-open, and the patterns corresponding to each opening are different, the embossing pattern structure combination of the core circumferential sealing and the flow guide groove is flexible, the ultrasonic direct welding embossing forming is suitable for high-speed production.

[0044] The above is only a description of the preferred embodiment of the present application, and the above technical features can be arbitrarily combined to form multiple embodiment schemes of the present application.

[0045] The present application has been described above in conjunction with the drawings, and it is obvious that the specific implementation of the present application is not limited by the above manner. As long as various non-essential improvements are made by adopting the concept and technical scheme of the present application, or the concept and technical scheme of the present application is directly applied to other occasions without improvement, it is within the protection scope of the present application.​

Claims

1. An apparatus for embossing the outer periphery and the flow channel of an absorbent article by applying heat and pressure to emboss the outer periphery and the flow channel of a continuous absorbent article, respectively, to form different embossed patterns on adjacent absorbent articles, characterized by, The application relates to a mechanical assembly for embossing the outer periphery of an absorbent article and forming an embossed pattern on the flow channel of the absorbent article. The first mechanical assembly comprises a first mechanical element I and a second mechanical element I arranged correspondingly; The second mechanical assembly comprises a first mechanical element II and a second mechanical element II arranged oppositely; The first mechanical element I and the first mechanical element II apply heat and pressure to the outer periphery and the flow channel of the absorbent article respectively; The second mechanical element I and the second mechanical element II are rotatable, and the surface of the second mechanical element I is provided with at least two groups of embossing structures I with different adjacent patterns, and the surface of the second mechanical element II is provided with at least two groups of embossing structures II with different adjacent patterns.

2. The apparatus for embossing the outer periphery and the flow channel of the absorbent article according to claim 1, wherein: The first mechanical element I is an ultrasonic welding head or a hot pressing roller, and the second mechanical element I is an anvil roller.

3. The apparatus according to claim 2, wherein the apparatus is configured to emboss the outer periphery and the flow channel of the absorbent article. The first mechanical element II is an ultrasonic welding head or a hot pressing roller, and the second mechanical element II is an anvil roller.

4. The apparatus according to claim 3, wherein the apparatus is characterized by: When the first mechanical element I is an ultrasonic welding head, the first mechanical element I and the outer periphery of the absorbent article adopt sliding friction welding; when the first mechanical element I is a hot pressing roller, the first mechanical element I and the outer periphery of the absorbent article adopt rolling friction welding.

5. The apparatus according to claim 3, wherein the apparatus is characterized by: When the first mechanical element II is an ultrasonic welding head, the first mechanical element II and the flow channel of the absorbent article adopt sliding friction welding; when the first mechanical element II is a hot pressing roller, the first mechanical element II and the flow channel of the absorbent article adopt rolling friction welding.

6. An apparatus for embossing the outer periphery and the flow channel of an absorbent article according to any one of claims 1 to 5, characterized in that: The second mechanical element I and the second mechanical element II are both two-open or more rotating rollers, and the corresponding pattern structures of each open are different.

7. The apparatus according to claim 6, wherein the apparatus is further characterized by: The first mechanical assembly further comprises a first force applying mechanism which continuously acts on the first mechanical element I and the second mechanical element I to make them approach each other.

8. The apparatus according to claim 6, wherein the apparatus is characterized by: The second mechanical assembly further comprises a second force applying mechanism which continuously acts on the first mechanical element II and the second mechanical element II to make them approach each other.

9. The apparatus according to claim 6, wherein the apparatus is characterized by: The embossing structure I is separate from the second mechanical element I, and the embossing structure II is separate from the second mechanical element II.

10. The apparatus according to claim 1, wherein: The outer periphery of the absorbent article is composed of an outer edge periphery and a wing area, and the embossing structure I is used for pressing the wing area; the second mechanical element I is further provided with an embossing structure III for sealing the outer edge periphery.

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