CN-122006957-A - Super absorbent non-woven fabric production device

CN122006957ACN 122006957 ACN122006957 ACN 122006957ACN-122006957-A

Abstract

The invention relates to the technical field of non-woven fabrics, in particular to a super-absorbent non-woven fabric production device. The second non-woven fabric layer of the super-absorbent non-woven fabric is provided with a waterproof coating by adopting a coating processing device, the coating processing device comprises an unreeling mechanism, a coating curing mechanism and a reeling mechanism, wherein the non-woven fabric can sequentially bypass a coating roller, each reversing roller and each homogenizing roller to form an S-shaped path. The waterproof coating on the super-absorbent non-woven fabric is prepared by using the coating processing device, the waterproof coating is used for replacing the traditional waterproof film which is poor in air permeability, difficult to degrade and recover and not in line with the carbon neutralization trend, meanwhile, the production efficiency is obviously improved, the non-woven fabric can sequentially bypass the coating roller, each reversing roller and each material homogenizing roller to form a vertical S-shaped path, the occupied space of a coating curing mechanism is changed into the vertical direction, the horizontal space occupation amount of the device is greatly reduced while the fixing effect of a waterproof agent solution is ensured, and the utilization rate of the internal space of a factory building is greatly improved.

Inventors

DENG YONG
Deng Wuxuan
ZHANG XIN
CHEN TINGTING

Assignees

南通爱诺瓦医用科技有限公司
南通棉诺康善医用科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260325

Claims (9)

1. The super absorbent non-woven fabric production device is characterized by comprising a first non-woven fabric layer, a middle water storage layer and a second non-woven fabric layer which are sequentially compounded by hot pressing, wherein a waterproof coating is arranged on the bottom surface of the second non-woven fabric layer; the waterproof coating is made by a coating processing device, and the coating processing device comprises The unreeling mechanism comprises a unreeling roller, and a non-woven fabric roll is arranged on the unreeling roller; The coating curing mechanism comprises a coating roller, a reversing roller set and a material homogenizing roller set, wherein the reversing roller set comprises a plurality of reversing rollers which are sequentially distributed along the vertical direction and are horizontally arranged on the axis of the roller body, the material homogenizing roller set comprises material homogenizing rollers which are sequentially distributed along the vertical direction and are horizontally arranged on the axis of the roller body, the number and the diameter of the reversing rollers and the material homogenizing rollers are the same, and the reversing rollers and the material homogenizing rollers are staggered in the vertical direction; The non-woven fabric can sequentially bypass the coating roller, each reversing roller and each material homogenizing roller to form an S-shaped path; Each reversing roller and each material homogenizing roller in the S-shaped path meet the following conditions: defining two reversing rolls adjacent to a certain material homogenizing roll as an upper reversing roll and a lower reversing roll, wherein a tangent line between the upper part of the lower reversing roll and the lower part of the material homogenizing roll forms an inclined downward non-woven fabric moving line moving from the lower reversing roll to the material homogenizing roll, a tangent line between the lower part of the upper reversing roll and the upper part of the material homogenizing roll forms an inclined upward non-woven fabric moving line moving from the material homogenizing roll to the upper reversing roll, and the inclined downward non-woven fabric moving line and the inclined upward non-woven fabric moving line are mutually parallel; A tuyere and an ultraviolet UV curing assembly are arranged in a curing channel formed between the adjacent inclined downward non-woven fabric moving lines and the inclined upward non-woven fabric moving lines; and the winding mechanism comprises a material receiving roller and is used for realizing winding.
2. The device for producing super absorbent nonwoven fabric according to claim 1, wherein the waterproof coating comprises an oligomer, a reactive diluent, a photoinitiator and polyether modified silicone oil.
3. The device for producing super absorbent non-woven fabrics according to claim 1, wherein the included angles between the air outlet direction of the air nozzle and the inclined upward non-woven fabric moving line and the inclined downward non-woven fabric moving line are all 5-20 degrees.
4. The device for producing super absorbent non-woven fabrics according to claim 1, wherein the tuyere and the UV curing assembly are sequentially arranged along the extension direction of the curing channel, and the tuyere is positioned at one side of the curing channel close to the material homogenizing roller; The wind nozzle is provided with an upper wind opening and a lower wind opening, the flow speed of the upper wind opening is larger than that of the lower wind opening, and one side of the ultraviolet UV curing component, which is close to the wind nozzle, is provided with two inclined wind guiding surfaces which are arranged up and down and used for guiding wind of the upper wind opening and the lower wind opening respectively, so that wind of the lower wind opening blows towards an inclined downward non-woven fabric moving line, and wind of the upper wind opening blows towards an inclined upward non-woven fabric moving line.
5. The device for producing super absorbent nonwoven fabric according to claim 4, wherein the ultraviolet UV curing assembly comprises a box body, a light shielding plate and two LED ultraviolet light sources with identical structures, The box body is of an isosceles triangle hollow structure, the light shielding plate is arranged on the isosceles triangle bottom surface of the box body, the length of the light shielding plate is not smaller than that of the isosceles triangle bottom surface of the box body, the LED ultraviolet light source is arranged on the isosceles triangle waist side surface of the box body, the surface of the LED ultraviolet light source is provided with a light guide plate, and the top surface of the light guide plate is used as the inclined air guide surface; The two LED ultraviolet light sources are connected through a hinge structure at one end of the isosceles triangle waist side surface of the box body, which is far away from the light shielding plate, and the hinge structure of the UV curing assembly is arranged towards the tuyere, and the two LED ultraviolet light sources rotate by taking the hinge structure as a rotating point to be far away from or close to the isosceles triangle waist side surface of the box body.
6. The device for producing super absorbent nonwoven fabrics according to claim 5, wherein a fixed substrate is arranged in the light shielding plate at one side far away from the LED ultraviolet light source, a working indicator is arranged on the light shielding plate at the outer side of the fixed substrate, and the working indicator is linked with the LED ultraviolet light source.
7. The device for producing super absorbent nonwoven fabrics according to claim 5, wherein the hinge structure is provided with an air inlet channel, one end of the air inlet channel is arranged on the outer surface of the hinge structure and is opposite to the air nozzle, and the other end of the air inlet channel is communicated with the inner cavity of the box body; the shading plate is provided with a plurality of air outlet holes which are communicated with the inner cavity of the box body and the curing channel.
8. The device for producing super absorbent nonwoven fabric according to claim 5, wherein the LED ultraviolet light source further comprises a main substrate and a plurality of ultraviolet light chips; The ultraviolet lamp chips are uniformly arranged on the main substrate; The light guide plate is a transparent light guide plate, the top surface of the light guide plate is the inclined air guide surface, first grooves which are equal to the purple light chips are uniformly formed in the bottom of the light guide plate, the light guide plate is connected to the main substrate in a threaded mode, the purple light chips are located in the first grooves, second grooves are further formed in the two side edges of the light guide plate, located in the first grooves, and light of the purple light chips is uniformly dispersed while weight is reduced; The first groove comprises a first vertical surface, a second arc-shaped surface and a third vertical surface which are sequentially connected, wherein the first vertical surface and the third vertical surface are perpendicular to the main substrate, the third vertical surface is higher than the first vertical surface, and the second arc-shaped surface is positioned at the top of the first vertical surface and the second vertical surface; the second groove comprises a first arc-shaped transition surface, a second straight line surface and a third arc-shaped transition surface which are sequentially connected, wherein the second straight line surface is parallel to the inclined wind guide surface, the bottom of the first arc-shaped transition surface is connected with the bottom of the first vertical surface, the bottom of the third arc-shaped transition surface is connected with the bottom of the third vertical surface, and the tops of the first arc-shaped transition surface and the third arc-shaped transition surface are respectively connected with the two sides of the second straight line surface.
9. The device for producing super absorbent non-woven fabrics according to claim 8, wherein a reflecting plate is further arranged at one side of the light guide plate close to the light shielding plate, the reflecting plate is vertically arranged on the main substrate, and the height of the reflecting plate is not smaller than that of the light guide plate.

Description

Super absorbent non-woven fabric production device Technical Field The invention relates to the technical field of non-woven fabrics, in particular to a super-absorbent non-woven fabric production device. Background The non-woven fabric refers to a fabric formed by directly bonding fibers without spinning and weaving processes. The polyester fiber is mainly prepared from polyester fibers and polyester fibers by adopting processes such as needling, spunbonding, thermal bonding and the like, has the characteristics of ventilation, moisture resistance, flame retardance, light weight, no toxicity, no smell, degradability, low price and the like, can be recycled, and is widely applied to the fields of medical protection (such as surgical gowns and masks), industrial filtration, agricultural coverage, sanitary washing and protecting articles and the like. The existing super absorbent non-woven fabric can be used as a bath towel, foot rubbing cloth, a towel, a face towel and the like for daily use or can be used in a medical beauty parlor, in order to prevent liquid from penetrating and being stained on hands in the use process, one side of the non-woven fabric is required to be provided with water resistance, a waterproof film is covered in the prior art, a film-covering composite procedure is required in the production process, the production efficiency is low, in addition, the waterproof film is poor in air permeability and difficult to degrade, and composite materials are difficult to recycle and do not accord with the carbon neutralization trend. In addition, when the super absorbent non-woven fabrics are manufactured in the existing factories, equipment such as a waterproof film extruder, a die head, a cooling roller set and the like are needed, so that a composite production line of the waterproof film is long, the occupied area of the equipment is large, and the space waste is serious. Disclosure of Invention The invention aims to solve the technical problem of providing the super-absorbent non-woven fabric production device which is high in production efficiency, accords with the carbon neutralization trend and is small in occupied area. In order to solve the technical problems, the technical scheme of the invention is that the super-absorbent non-woven fabric production device is characterized in that the super-absorbent non-woven fabric comprises a first non-woven fabric layer, a middle water storage layer and a second non-woven fabric layer which are sequentially compounded by hot pressing, and a waterproof coating is arranged on the bottom surface of the second non-woven fabric layer; the waterproof coating is made by a coating processing device, and the coating processing device comprises The unreeling mechanism comprises a unreeling roller, and a non-woven fabric roll is arranged on the unreeling roller; The coating curing mechanism comprises a coating roller, a reversing roller set and a material homogenizing roller set, wherein the reversing roller set comprises a plurality of reversing rollers which are sequentially distributed along the vertical direction and are horizontally arranged on the axis of the roller body, the material homogenizing roller set comprises material homogenizing rollers which are sequentially distributed along the vertical direction and are horizontally arranged on the axis of the roller body, the number and the diameter of the reversing rollers and the material homogenizing rollers are the same, and the reversing rollers and the material homogenizing rollers are staggered in the vertical direction; The non-woven fabric can sequentially bypass the coating roller, each reversing roller and each material homogenizing roller to form an S-shaped path; Each reversing roller and each material homogenizing roller in the S-shaped path meet the following conditions: defining two reversing rolls adjacent to a certain material homogenizing roll as an upper reversing roll and a lower reversing roll, wherein a tangent line between the upper part of the lower reversing roll and the lower part of the material homogenizing roll forms an inclined downward non-woven fabric moving line moving from the lower reversing roll to the material homogenizing roll, a tangent line between the lower part of the upper reversing roll and the upper part of the material homogenizing roll forms an inclined upward non-woven fabric moving line moving from the material homogenizing roll to the upper reversing roll, and the inclined downward non-woven fabric moving line and the inclined upward non-woven fabric moving line are mutually parallel; A tuyere and an ultraviolet UV curing assembly are arranged in a curing channel formed between the adjacent inclined downward non-woven fabric moving lines and the inclined upward non-woven fabric moving lines; and the winding mechanism comprises a material receiving roller and is used for winding the non-woven fabric. Further, the waterproof coating comprises an oligomer