Composite punching equipment for hygienic product absorption core body

Abstract

The utility model relates to the technical field of punching equipment, in particular to composite punching equipment for a hygienic product absorption core. The equipment comprises n unwinding mechanisms, (n-1) glue spraying heads, a punching mechanism, a slitting mechanism and a winding mechanism, n is larger than or equal to 2, the nth unwinding mechanism corresponds to the (n-1) th glue spraying head, the last glue spraying head, the punching mechanism, the slitting mechanism and the winding mechanism are connected in sequence, and the punching mechanism, the slitting mechanism and the winding mechanism are connected in sequence. The unwinding mechanism is used for placing water-absorbing roll paper, the glue spraying heads are used for spraying glue to the middle of two layers of water-absorbing paper from the upstream of the glue spraying heads, the punching mechanism is used for punching multiple layers of composite water-absorbing paper output by the last glue spraying head, and the slitting mechanism is used for slitting the punched multiple layers of composite water-absorbing paper. And the winding mechanism is used for winding the slit multi-layer composite absorbent paper to obtain the absorbent core body used as the hygienic product. The scheme can save resources and reduce cost.

Description

Technical Field

[0001] The utility model relates to the technical field of punching equipment, in particular to a composite punching equipment for an absorbent core of a sanitary product. Background Art

[0002] At present, composite processing equipment for absorbent cores of sanitary products usually uses composite rollers with a convex top and a flat bottom for pressurization and heating, such as electric heating or heat transfer oil heating and shaping, to avoid product breakage and delamination during use. However, this method will lead to resource waste and cost increase. Utility Model Content

[0003] The embodiment of the utility model provides a composite punching device for the absorbent core of a sanitary product, which can save resources and reduce costs.

[0004] The utility model embodiment provides a composite punching device for an absorbent core of a sanitary product, comprising n unwinding mechanisms, n-1 glue spraying heads, a punching mechanism, a slitting mechanism and a rewinding mechanism, wherein n is greater than or equal to 2, the nth unwinding mechanism corresponds to the n-1th glue spraying head, the last glue spraying head, the punching mechanism, the slitting mechanism and the rewinding mechanism are connected in sequence, the unwinding mechanism is used for placing absorbent roll paper, the glue spraying head is used for spraying glue to the middle of two layers (layers) of absorbent paper from the upstream of the glue spraying head, the punching mechanism is used for punching the multi-layer composite absorbent paper discharged (output) by the last glue spraying head, the slitting mechanism is used for slitting the multi-layer composite absorbent paper after punching, and the rewinding mechanism is used for rewinding the multi-layer composite absorbent paper after slitting, so as to obtain an absorbent core for a sanitary product.

[0005] The embodiment of the utility model provides a composite punching device for the absorbent core of sanitary products. By providing a punching mechanism instead of the pressurized heating method in the prior art, it can save resources and reduce costs while ensuring that the absorbent core has a certain softness and fluffiness. In addition, the mechanical punching and puncturing technology is adopted, which can significantly improve the absorption speed and air permeability of the sanitary products. At the same time, by providing n-1 glue spray heads, n absorbent rolls can be composited to obtain n layers of composite absorbent paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0007] Figure 1 It is a structural schematic diagram of a composite perforating device for an absorbent core of a sanitary product provided by an embodiment of the utility model.

[0008] Reference numerals:

[0009] 1- Unwinding mechanism;

[0010] 11- conveyor belt;

[0011] 12-first cylinder;

[0012] 13- first bracket;

[0013] 2-Glue spray head;

[0014] 3- Punching mechanism;

[0015] 31-needle roller;

[0016] 32-hole roller;

[0017] 4- Slitting mechanism;

[0018] 41 - second cylinder;

[0019] 42- second bracket;

[0020] 43-slitting knife;

[0021] 5-Rewinding mechanism;

[0022] 6- tension roller;

[0023] 7-pressure roller assembly;

[0024] 71-first pressing roller;

[0025] 72-Second pressure roller. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0027] like Figure 1As shown, an embodiment of the utility model provides a composite punching device for an absorbent core of a sanitary product, the device comprising n unwinding mechanisms 1, n-1 glue spraying heads 2, a punching mechanism 3, a slitting mechanism 4 and a rewinding mechanism 5, n is greater than or equal to 2, the nth unwinding mechanism 1 corresponds to the n-1th glue spraying head 2, the last glue spraying head 2, the punching mechanism 3, the slitting mechanism 4 and the rewinding mechanism 5 are connected in sequence, the unwinding mechanism 1 is used for placing absorbent roll paper, the glue spraying head 2 is used for spraying glue to the middle of two layers of absorbent paper from the upstream of the glue spraying head 2, the punching mechanism 3 is used for punching the multi-layer composite absorbent paper output by the last glue spraying head 2, the slitting mechanism 4 is used for slitting the multi-layer composite absorbent paper after punching, and the rewinding mechanism 5 is used for rewinding the multi-layer composite absorbent paper after slitting, so as to obtain an absorbent core for a sanitary product.

[0028] In this embodiment, a punching mechanism is provided to replace the pressurized heating method in the prior art, so as to ensure that the absorbent core has a certain softness and fluffiness, it is possible to save more resources and reduce costs. In addition, the mechanical punching and puncturing technology is used to significantly improve the absorption speed and air permeability of sanitary products. At the same time, by providing n-1 glue spray heads, n absorbent rolls can be composited to obtain n layers of composite absorbent paper.

[0029] In some embodiments, Figure 1 For example, n=3.

[0030] It is understandable that due to Figure 1 The composite punching device displayed is longer in the horizontal direction. In order to display it more clearly, it is separated in the middle part and displayed in an upper and lower arrangement so that readers can know some of the structural details more clearly.

[0031] In addition, the above-mentioned equipment preferably adopts a simple modular mechanical structure and servo motor synchronous transmission, which can be freely combined and quickly assembled according to product performance requirements, so as to meet different product requirements. In order to increase the service life of the punching mechanism and minimize pressurized deformation, the punching mechanism does not use metal copper but preferably uses 45 cast steel laser engraving processing and heat treatment after surface plating process. This is because the hardness of cast steel is 45-50HR, and the hardness of metal copper is 30HR; it can improve its surface hardness and extend the service life of the equipment.

[0032] In some embodiments, each set of unwinding mechanisms uses a servo motor to control a synchronous belt unwinding system to ensure consistent operating speed of the entire machine. A pneumatic unwinding tension automatic adjustment system is separately designed to ensure consistent tension during unwinding. At the same time, a threaded rotating stretching roller is added to avoid wrinkling of absorbent paper during unwinding. The design uses an automatic photoelectric deviation correction system to ensure the overlapping consistency of materials when the three sets of unwinding equipment are placed continuously.

[0033] In one embodiment of the utility model, each unwinding mechanism 1 includes a conveyor belt 11, a first cylinder 12 and a first bracket 13 connected to the first cylinder 12, the first cylinder 12 is used to drive the first bracket 13 to move, the first bracket 13 is used to place absorbent paper, and the conveyor belt 11 is used to drive the absorbent paper to feed. During the feeding process, the conveyor belt 11 is always in contact with the absorbent paper.

[0034] In this embodiment, the conveyor belt 11 is provided to ensure that the conveyor belt 11 is always in contact with the absorbent paper during the feeding process of the absorbent paper, so that the conveyor belt 11 can be used to drive the absorbent paper to be fed.

[0035] In one embodiment of the utility model, the above-mentioned device further comprises a plurality of tension rollers 6, which are used to keep the running tension of the absorbent paper roll constant during the feeding process. Such an arrangement can ensure the continuity of the process of preparing the absorbent core, otherwise it is easy to get entangled or conveyed poorly during the feeding process.

[0036] In one embodiment of the utility model, a pressure roller assembly 7 is provided at the outlet of each glue spray head 2, and the pressure roller assembly 7 is used to compact the multi-layer composite absorbent paper output by the glue spray head 2, so as to ensure the firmness of the multi-layer composite absorbent paper.

[0037] In one embodiment of the present invention, the pressure roller assembly 7 includes an upper pressure roller 71 that can move up and down and a fixed lower pressure roller 72 , and the multi-layer composite absorbent paper output by the glue spray head 2 enters between the upper pressure roller 71 and the lower pressure roller 72 .

[0038] In one embodiment of the utility model, the punching mechanism 3 includes a needle roller 31 or a hole roller 32 that can move up and down and a fixed hole roller 32 or a needle roller 31, and the multi-layer composite absorbent paper output by the last pressure roller assembly 7 continuously enters between the needle roller 31 and the hole roller 32.

[0039] In one embodiment of the utility model, the punching mechanism 3 further includes a transmittance detection sensor (not shown in the figure), which is used to detect the transmittance of the multi-layer composite absorbent paper output by the needle roller 31 and the hole roller 32. When the detection fails to meet the preset requirements, the punching mechanism 3 stops punching. This arrangement can prevent the absorbent paper from being entangled in the punching mechanism 3, which is not good for the service life of the punching mechanism 3, and can facilitate maintenance personnel to repair it in time.

[0040] In some embodiments, the transmittance detection sensor may be a grating sensor or an infrared sensor, as long as it can realize the function of detecting transmittance, and is not specifically limited here.

[0041] In one embodiment of the present invention, the needle roller 31 or the hole roller 32 is provided with an elastic component (not shown in the figure). When the pressure between the two exceeds the set pressure, the elastic component is compressed to play a role in buffering and protecting the needle roller 31 or the hole roller 32.

[0042] In some embodiments, the elastic component may be a spring or other elastic structure, which is not specifically limited herein.

[0043] In one embodiment of the utility model, the slitting mechanism 4 includes a second cylinder 41, a second bracket 42 and a slitting knife 43. The second cylinder 41 is connected to the second bracket 42. The second bracket 42 is provided with a tensioning roller 6. The second cylinder 41 is used to drive the tensioning roller 6 on the second bracket 42 to move to adjust the stability of the multi-layer composite absorbent paper. The slitting knife 43 is used to slitting the multi-layer composite absorbent paper after punching, so as to ensure a smoother slitting process.

[0044] It should be noted that, in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical factors in the process, method, article or device including the elements.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A composite perforating device for the absorbent core of sanitary products, characterized in that: The invention comprises n unwinding mechanisms (1), n-1 glue spraying heads (2), a punching mechanism (3), a slitting mechanism (4) and a rewinding mechanism (5), wherein n is greater than or equal to 2, the n-th unwinding mechanism (1) corresponds to the n-1-th glue spraying head (2), the last glue spraying head (2), the punching mechanism (3), the slitting mechanism (4) and the rewinding mechanism (5) are connected in sequence, the unwinding mechanism (1) is used for placing absorbent paper rolls, the glue spraying head (2) is used for spraying glue to the middle of two layers of absorbent paper from the upstream of the glue spraying head (2), the punching mechanism (3) is used for punching holes in the multi-layer composite absorbent paper output by the last glue spraying head (2), the slitting mechanism (4) is used for slitting the multi-layer composite absorbent paper after punching, and the rewinding mechanism (5) is used for rewinding the multi-layer composite absorbent paper after slitting, thereby obtaining an absorbent core body for use as a sanitary product.

2. The composite punching device for the absorbent core of sanitary products according to claim 1, characterized in that: Each of the unwinding mechanisms (1) comprises a conveyor belt (11), a first cylinder (12) and a first bracket (13) connected to the first cylinder (12); the first cylinder (12) is used to drive the first bracket (13) to move; the first bracket (13) is used to place the absorbent paper roll; the conveyor belt (11) is used to drive the absorbent paper roll to be fed; during the feeding process, the conveyor belt (11) is always in contact with the absorbent paper roll.

3. The composite perforating device for the absorbent core of sanitary products according to claim 2, characterized in that: It also comprises a plurality of tensioning rollers (6), wherein the tensioning rollers (6) are used to keep the running tension of the absorbent paper in a constant state during the feeding process.

4. The composite perforating device for the absorbent core of sanitary products according to claim 1, characterized in that: The outlet of each glue spray head (2) is provided with a pressing roller assembly (7), and the pressing roller assembly (7) is used to compact the multi-layer composite absorbent paper output by the glue spray head (2).

5. The composite perforating device for the absorbent core of sanitary products according to claim 4, characterized in that: The pressure roller assembly (7) comprises a first pressure roller (71) that can move up and down and a second pressure roller (72) that is fixed, and the multi-layer composite absorbent paper output by the glue spraying head (2) enters between the first pressure roller (71) and the second pressure roller (72).

6. The composite perforating device for the absorbent core of sanitary products according to claim 5, characterized in that: The punching mechanism (3) comprises a needle roller (31) that can move up and down and a fixed hole roller (32), and the multi-layer composite absorbent paper output by the last pressure roller assembly (7) continuously enters between the needle roller (31) and the hole roller (32).

7. The composite perforating device for the absorbent core of sanitary products according to claim 6, characterized in that: The punching mechanism (3) also includes a transmittance detection sensor, which is used to detect the transmittance of the multi-layer composite absorbent paper output by the needle roller (31) and the hole roller (32). When the detection fails to meet the preset requirements, the punching mechanism (3) stops punching.

8. The composite perforating device for the absorbent core of sanitary products according to claim 7, characterized in that: The light transmittance detection sensor is a grating sensor or an infrared sensor.

9. The composite perforating device for the absorbent core of sanitary products according to claim 6, characterized in that: The needle roller (31) or the hole roller (32) is provided with an elastic component, and when the pressure between the two exceeds a set pressure, the elastic component is compressed.

10. The composite perforating device for the absorbent core of sanitary products according to any one of claims 1 to 9, characterized in that: The slitting mechanism (4) comprises a second cylinder (41), a second bracket (42) and a slitting knife (43); the second cylinder (41) is connected to the second bracket (42); the second bracket (42) is provided with a tensioning roller (6); the second cylinder (41) is used to drive the tensioning roller (6) on the second bracket (42) to move so as to keep the multi-layer composite absorbent paper constant; and the slitting knife (43) is used to slit the multi-layer composite absorbent paper after punching.

Images