阅读说明：本技术 一种勾连结构导流非织造布的生产工艺及其设备 (Production process and equipment of hook-connected structure flow guide non-woven fabric ) 是由 张吉龙 于 2020-06-10 设计创作，主要内容包括：本发明涉及一种勾连结构导流非织造布的生产工艺及其设备,其中生产步骤包括：步骤1,热风布加热与起毛处理；步骤2,将PE、PET混合原浆以及木浆制成绒毛浆；步骤3,将起毛热风布的表面喷涂绒毛浆；步骤4,将喷涂后的混合布表面烘烤；步骤5,将喷涂后的混合布上下面热压压紧；步骤6,将喷涂后的混合布收卷、分切、包装、收纳；通过上述步骤及设备制成的勾连结构导流非织造布,置于芯体与面层之间,起到很好的导流速渗的效果,制成的导流非织造布的勾连结构为细小钩状的致密纤维,与热风布渗透紧密,因而连接性能极佳,不易发生分离,整体厚度较低,无需黏着剂,节约了生产成本。(The invention relates to a production process and equipment of a flow-guiding non-woven fabric with a hooking structure, wherein the production steps comprise: step 1, heating and fluffing a hot air cloth; step 2, preparing the PE and PET mixed primary pulp and wood pulp into fluff pulp; step 3, spraying fluff pulp on the surface of the fluffed hot-air cloth; step 4, baking the surface of the sprayed mixed cloth; step 5, hot-pressing and compacting the upper surface and the lower surface of the sprayed mixed cloth; step 6, rolling, slitting, packaging and storing the sprayed mixed cloth; the hooking structure of the prepared flow guide non-woven fabric is fine hook-shaped compact fibers and is tightly permeated with hot air cloth, so that the connection performance is excellent, the separation is not easy to occur, the whole thickness is low, an adhesive is not needed, and the production cost is saved.)

1. A production process of a hook-connected structure flow guide non-woven fabric is characterized by comprising the following steps:

step 1, firstly, heating the hot-air cloth by hot air for 15-20 seconds, and then performing fluffing treatment on the surface to obtain fluffed hot-air cloth with a hook connection structure and finished surface treatment;

step 2, heating and mixing the PE and PET mixed primary pulp and wood pulp according to a certain proportion to obtain fluff pulp;

step 3, spraying the fluff pulp in the step 2 on the surface of the fluffing hot-blast cloth in the step 1 to obtain spray coating;

step 4, baking the surface of the spray coating in the step 3 for 20-30 seconds;

step 5, carrying out hot-pressing compaction on the upper surface and the lower surface of the heating roller for spray coating in the step 4 to obtain the flow-guiding non-woven fabric with a hook connection structure;

and 6, rolling the diversion non-woven fabric with the hooking structure obtained in the step 5, cutting, packaging and storing.

2. The process for producing the non-woven fabric with the flow guide and the hook structure as claimed in claim 1, wherein the temperature of the hot air in the step 1 is in the range of 120-150 ℃.

3. The production process of the check nonwoven fabric with the hooking structure according to claim 1, wherein the proportion of the PE and PET mixed raw pulp to the wood pulp in the step 2 is 1: 3.

4. the process for producing the flow-guiding nonwoven fabric with hooking structure as claimed in claim 1, wherein the baking temperature in step 4 is 130-170 ℃.

5. The process for producing the non-woven fabric with the flow guide hook-and-loop structure as claimed in claim 1, wherein the temperature of the heated roller in step 5 is 140-150 ℃.

6. The production equipment of the flow-guiding non-woven fabric with the hooking structure as in any one of claims 1 to 5, comprising a frame, wherein an unwinding roller and a winding roller are respectively arranged at the head end and the tail end of the frame, and a hot air box, a scattering roller, fluff pulp spraying equipment, an oven, a pressing roller and a driving roller for conduction connection arranged between the parts except the frame are sequentially arranged between the unwinding roller and the winding roller.

7. The production equipment of the hooking structure flow-guiding non-woven fabric as claimed in claim 6, wherein the scattering roller is closely arranged to the hot air box, shark fin-shaped barbs facing the material feeding direction of the wind-up roller are densely and uniformly arranged on the surface of the scattering roller, and a first driving servo motor and a torsion sensor are arranged on two sides of the scattering roller and between the scattering roller and the first driving servo motor.

8. The production equipment of the non-woven fabric with the hooking structure and the flow guide function according to claim 6, wherein a feed port and a discharge port are formed in a box body of the oven, and hot air curtains facing the driving rollers are arranged on the feed port and the discharge port.

9. The production equipment of the flow-guiding non-woven fabric with the hooking structure is characterized in that the pressing rollers are arranged on the machine frame in pairs in an up-and-down symmetrical mode, second driving servo motors are arranged at two ends of the pressing rollers, resistance heating coils are arranged on the inner walls of the pressing rollers in a surrounding mode, and the number of pairs of the pressing rollers is not less than 3.

Technical Field

The invention belongs to the technical field of non-woven fabric production, and particularly relates to a production process and equipment of a flow guide non-woven fabric with a hooking structure.

Background

The cloth used for the diversion layer produced at present is usually formed by bonding a plurality of different types of materials in the manufacturing process, so that a large amount of adhesives are needed, otherwise, the separation is caused due to untight connection, the thickness is large, the diversion quick-seepage performance is influenced, and the produced finished product cannot play a role correctly.

Therefore, a production method and a process of a novel flow guide layer cloth with good connectivity, no influence of an adhesive, good flow guide effect and the like are needed to solve the technical problems and improve the current situation that the existing flow guide layer cloth is inconvenient to use.

Disclosure of Invention

Aiming at the technical defects in the background art, the invention provides a production process and equipment of a flow-guiding non-woven fabric with a hooking structure, which solve the technical problems and meet the actual requirements, and the specific technical scheme is as follows:

a production process of a hook-connected structure flow guide non-woven fabric comprises the following steps:

step 1, firstly, heating the hot-air cloth by hot air for 15-20 seconds, and then performing fluffing treatment on the surface to obtain fluffed hot-air cloth with a hook connection structure and finished surface treatment;

step 2, heating and mixing the PE and PET mixed primary pulp and wood pulp according to a certain proportion to obtain fluff pulp;

step 3, spraying the fluff pulp in the step 2 on the surface of the fluffing hot-blast cloth in the step 1 to obtain spray coating;

step 4, baking the surface of the spray coating in the step 3 for 20-30 seconds;

step 5, carrying out hot-pressing compaction on the upper surface and the lower surface of the heating roller for spray coating in the step 4 to obtain the flow-guiding non-woven fabric with a hook connection structure;

and 6, rolling the diversion non-woven fabric with the hooking structure obtained in the step 5, cutting, packaging and storing.

As a further technical scheme of the invention, the temperature range of the hot air in the step 1 is 120-150 ℃.

As a further technical scheme of the invention, the proportion of the PE and PET mixed primary pulp and wood pulp in the step 2 is 1: 3, the proportion between the PE and the PET can be formulated according to the existing process references, for example, 1: 1.

as a further technical scheme of the invention, the baking temperature in the step 4 is 130-170 ℃.

As a further technical scheme of the invention, the temperature of the hot pressing and compacting of the heating roller in the step 5 is 140-150 ℃.

The invention also relates to production equipment of the flow-guiding non-woven fabric with the hooking structure, which comprises a rack, wherein the head end and the tail end of the rack are respectively provided with an unwinding roller and a winding roller, a hot air box, a scattering roller, fluff pulp spraying equipment, an oven, a pressing roller and a driving roller for conducting connection among the components except the rack are sequentially arranged between the unwinding roller and the winding roller.

As a further technical scheme, the scattering roller is arranged close to the hot air box, shark fin-shaped barbs facing the direction consistent with the material feeding direction of the winding roller are densely and uniformly arranged on the surface of the scattering roller, and a first driving servo motor and a torsion sensor arranged between the scattering roller and the first driving servo motor are arranged on two sides of the scattering roller.

As a further technical scheme of the invention, a box body of the oven is provided with a feed inlet and a discharge outlet, and the feed inlet and the discharge outlet are both provided with hot air curtains facing the driving roller.

As a further technical scheme of the invention, the compression rollers are arranged on the rack in pairs in an up-and-down symmetrical manner, the two ends of the compression rollers are provided with second driving servo motors, the inner walls of the compression rollers are provided with resistance heating coils in a surrounding manner, and the number of pairs of the compression rollers is not less than 3.

The invention has the beneficial effects that: the hooking structure flow guide non-woven fabric manufactured by the steps and the equipment can be directly applied to close-fitting sanitary products such as paper diapers and sanitary towels and placed between the core body and the surface layer to achieve a good flow guide quick infiltration effect, and the hooking structure of the manufactured flow guide non-woven fabric is fine hook-shaped compact fibers and is tightly permeated with hot air cloth, so that the connection performance is excellent, the separation is not easy to occur, the whole thickness is low, an adhesive is not needed, and the production cost is saved.

Drawings

Fig. 1 is a schematic view of a layered structure of a hook-and-loop structure fluid-directing nonwoven fabric of the present invention.

FIG. 2 is a schematic view of the overall structure of the production apparatus of the present invention.

Fig. 3 is a structural solid diagram of the scattering roller 5.

Fig. 4 is a schematic structural view of the pressure roller 8.

Wherein: the device comprises a rack 1, an unreeling roller 2, a reeling roller 3, a hot air box 4, a scattering roller 5, fluff pulp spraying equipment 6, an oven 7, a pressing roller 8, a driving roller 9, shark fin-shaped barbs 10, a first driving servo motor 11, a torque sensor 12, a feeding hole 13, a discharging hole 14, a hot air curtain machine 15, a second driving servo motor 16, a fluff pulp layer 17, a hot air cloth layer 18 and a hooking structure 19.

Detailed Description

Embodiments of the present invention will be described below with reference to the accompanying drawings and related embodiments, wherein the following related embodiments are merely preferred embodiments for better illustrating the present invention itself, and the embodiments of the present invention are not limited to the following embodiments, and the present invention relates to the related essential parts in the technical field, which should be regarded as the known technology in the technical field and can be known and grasped by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of sub-description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention; furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, the definitions "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly including one or more of such features.

A production process of a hook-connected structure flow guide non-woven fabric comprises the following steps:

step 1, firstly, heating the hot-air cloth by hot air for 15-20 seconds, and then performing fluffing treatment on the surface to obtain fluffed hot-air cloth with a hook connection structure and finished surface treatment;

step 2, heating and mixing the PE and PET mixed primary pulp and wood pulp according to a certain proportion to obtain fluff pulp;

step 3, spraying the fluff pulp in the step 2 on the surface of the fluffing hot-blast cloth in the step 1 to obtain spray coating;

step 4, baking the surface of the spray coating in the step 3 for 20-30 seconds;

step 5, carrying out hot-pressing compaction on the upper surface and the lower surface of the heating roller for spray coating in the step 4 to obtain the flow-guiding non-woven fabric with a hook connection structure;

and 6, rolling the diversion non-woven fabric with the hooking structure obtained in the step 5, cutting, packaging and storing.

Wherein, as shown in fig. 1, the layered structure of the flow-guiding non-woven fabric with a hook-and-loop structure of the invention is schematically shown, a fluff pulp layer 17, a hot air cloth layer 18 and a hook-and-loop structure 19, while the hooking structure 19 is clearly shown in outline and separated from the scrim 18 for ease of illustration in fig. 1, it should be understood that the hooking structure 19 extends from the scrim 18, i.e., by being machined, both are integrally formed, therefore, the formed fluff pulp layer 17 can be densely permeated with the hooking structure 19 of the hot air cloth layer 18, a stable whole is formed between the fluff pulp layer and the hot air cloth layer, once an external force tries to separate the fluff pulp layer and the hot air cloth layer, due to the physical characteristics of the hooking structure 19, the penetrated fluff pulp layer 17 is greatly prevented from being peeled off from the surface of the hot air cloth layer 18, and the close physical combination between the two layers also produces the required quick penetration and flow guiding effect.

In one preferred embodiment of the present invention, the temperature range of the hot air in step 1 is 120-.

In one preferred embodiment of the invention, the proportion of the mixed virgin pulp of PE and PET and wood pulp in the step 2 is 1: 3, the produced fluff pulp layer 17 has better strength and flow guiding and quick infiltration performance.

In one preferred embodiment of the present invention, the baking temperature in the step 4 is 130-170 ℃, and the preferred temperature is 150 ℃, so that the combination effect between the fluff pulp layer 17 and the hot air cloth layer 18 is better, and the hooking structure 19 can fully penetrate into the fluff pulp layer 17.

In one preferred embodiment of the present invention, the temperature of the heating roller in step 5 is 140-150 ℃, preferably 140 ℃, and the thickness and the surface of the whole flow-guiding nonwoven fabric are finally treated and shaped, so that the nonwoven fabric is convenient to be rolled, transported and stored.

The invention also relates to production equipment of the flow-guiding non-woven fabric with the hooking structure, which comprises a rack 1, wherein the head end and the tail end of the rack 1 are respectively provided with an unwinding roller 2 and a winding roller 3, and a hot air box 4, a scattering roller 5, fluff pulp spraying equipment 6, an oven 7, a pressing roller 8 and a driving roller 9 for conducting connection among the components except the rack 1 are sequentially arranged between the unwinding roller 2 and the winding roller 3.

The basic structures of the production equipment, the hot air box 4, the fluff pulp spraying equipment 6 and the oven 7 in the invention all adopt the existing equipment, wherein the fluff pulp spraying equipment 6 needs to mix wood pulp, PET pulp and PE pulp in proportion, the whole machine is connected through the rack 1, and different processing parts are connected through the driving roller 9, so that hot air cloth can enter different processing parts according to sequence and stable posture to complete corresponding processing treatment.

According to a preferred embodiment of the invention, the scattering roller 5 is arranged close to the hot air box 4, shark fin-shaped barbs 10 facing the direction consistent with the material feeding direction of the winding roller 3 are densely and uniformly arranged on the surface of the scattering roller 5, a first driving servo motor 11 and a torsion sensor 12 arranged between the scattering roller 5 and the first driving servo motor 11 are arranged on two sides of the scattering roller 5, and by means of the shark fin-shaped barbs 10, after the scattering roller 5 passes through the hot air cloth surface blown by hot air, the hot air cloth surface is taken up to generate a large number of hooking structures 19, so that in the next processing, the hook-shaped surfaces of the shark fin-shaped barbs 10 have a lifting effect, and preferably, not less than 4 groups of scattering rollers 5 are arranged.

In one preferred embodiment of the present invention, the box body of the oven 4 is provided with a feeding port 13 and a discharging port 14, the feeding port 13 and the discharging port 14 are both provided with a hot air curtain 15 facing the driving roller 9, and the hot air curtain 15 can ensure that the temperature of the hot air cloth and the fluff pulp cloth in the oven 4 is kept stable without being influenced by the external temperature, and the present invention can be implemented by referring to the principle of the existing air curtain.

In one preferred embodiment of the invention, the pressing rollers 8 are arranged on the frame 1 in pairs in a vertically symmetrical manner, and the two ends of the pressing rollers are provided with the second driving servo motors 16, the inner wall of the pressing roller 8 is provided with the resistance heating coils in a surrounding manner, the number of pairs of the pressing rollers 8 is not less than 3, the pressing roller 8 is a roller body with a heating structure, and the pressing roller is widely applied to processing of non-woven fabrics, can operate according to a set parameter under the action of the servo motors, and has a stable forming effect on baked flow guide fabrics.

The invention has the beneficial effects that: the hooking structure flow guide non-woven fabric manufactured by the steps and the equipment can be directly applied to close-fitting sanitary products such as paper diapers and sanitary towels and placed between the core body and the surface layer to achieve a good flow guide quick infiltration effect, and the hooking structure of the manufactured flow guide non-woven fabric is fine hook-shaped compact fibers and is tightly permeated with hot air cloth, so that the connection performance is excellent, the separation is not easy to occur, the whole thickness is low, an adhesive is not needed, and the production cost is saved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.