Antibacterial and flame-retardant clothing fabric and preparation method thereof

Abstract

The application discloses an antibacterial and flame-retardant clothing fabric and a preparation method thereof. The clothing fabric comprises a flame-retardant layer and an antibacterial layer, and is characterized in that a connecting net rack is arranged between the flame-retardant layer and the antibacterial layer, the connecting net rack comprises warp pieces and weft pieces, the connecting net rack divides the space between the flame-retardant layer and the antibacterial layer into an antibacterial space and a flame-retardant space, an antibacterial agent is arranged in the antibacterial space, and a flame-retardant agent or a fire extinguishing agent is arranged in the flame-retardant space. The preparation method comprises the following steps: S1, the antibacterial layer is laid on a plane, and the warp pieces and the weft pieces are connected to the antibacterial layer, respectively; S2, the antibacterial agent and the flame-retardant agent are arranged in the gap between the warp pieces and the weft pieces; and S3, the flame-retardant layer is covered on the warp pieces and the weft pieces and connected with the warp pieces and the weft pieces. The application provides a preparation method of the antibacterial and flame-retardant clothing fabric, and solves the problem of high synthesis cost of the antibacterial and flame-retardant clothing fabric.

Description

TECHNICAL FIELD

[0001] The present application relates to an antibacterial and flame-retardant clothing fabric and a preparation method thereof. BACKGROUND

[0002] With the rapid development of high-tech, more and more new technologies and new processes are applied in the field of clothing fabric, and people have higher and higher requirements for the comfort, health, safety and environmental protection of clothing fabric, and more and more functional requirements for safe and efficient antibacterial clothing. In life, people inevitably come into contact with various bacteria, fungi and other microorganisms. These microorganisms will rapidly multiply under suitable external conditions and spread diseases through contact, affecting people's health and normal work, study and life.

[0003] At present, people pay more and more attention to antibacterial fabric. By using appropriate process, various effects of different materials are added to the fabric, increasing the functionality of the clothes. In addition to the cold-proof and warm-keeping effect, the clothes also have other effects such as flame retardation, tensile resistance and wrinkle resistance according to the use, but the existing antibacterial and flame-retardant clothing fabric is usually made of synthetic fibers synthesized directly from a plurality of chemical molecules, which leads to a very small range of material selection for the antibacterial and flame-retardant clothing fabric, and the cost of synthesis is high, the processing procedure is complicated, and the cost of the clothing is high, and the market is small. SUMMARY

[0004] The technical problem to be solved by the present application is to provide an antibacterial and flame-retardant clothing fabric and a preparation method thereof, which solves the problem of high synthesis cost of the antibacterial and flame-retardant clothing fabric.

[0005] The technical scheme adopted by the present application to solve the above technical problem is: an antibacterial and flame-retardant clothing fabric, comprising a flame-retardant layer and an antibacterial layer, the flame-retardant layer being located on the outer side and the antibacterial layer being located on the inner side, characterized in that: a connecting net rack is arranged between the flame-retardant layer and the antibacterial layer, the connecting net rack comprises warp pieces and weft pieces arranged at intervals, the connecting net rack divides the space between the flame-retardant layer and the antibacterial layer into an antibacterial space and a flame-retardant space, an antibacterial agent is arranged in the antibacterial space, and a flame-retardant agent or a fire extinguishing agent is arranged in the flame-retardant space.

[0006] As an improvement, the flame-retardant space is provided with a wrapped capsule, the flame-retardant agent is placed in the wrapped capsule, the flame-retardant agent comprises antimony trioxide, a flame-retardant synergist containing fluorine elements and a base material, the particle size of the antimony trioxide particles is 0.1-0.3nm, and the antimony trioxide particle refinement method is to evaporate the antimony trioxide through the tail gas reaction evaporation zone of the plasma arc, and then enter the condensing chamber for rapid cooling, so as to obtain the antimony trioxide particles with a particle size of 0.1-0.3nm.

[0007] Further improvement, the inner side wall of the fire-retardant layer is provided with semicircular water injection pipes, the opening side of the water injection pipes faces the fire-retardant layer, a water adding pipe is arranged at one end of the water injection pipe, the water adding pipe is communicated with each water injection pipe, and the water adding pipe is connected with a water adding pump in the water tank.

[0008] Further improvement, the warp elements are composed of warp cloth strips, the weft elements are composed of weft cloth strips, the warp cloth strips and the weft cloth strips are arranged in an interlaced manner, the outer side edges of the warp cloth strips are sewn to the fire-retardant layer, the inner side edges of the warp cloth strips are sewn to the antibacterial layer, the outer side edges of the weft cloth strips are sewn to the fire-retardant layer, the inner side edges of the weft cloth strips are sewn to the antibacterial layer, the warp cloth strips and the weft cloth strips are sewn to each other at the interconnecting positions, the warp cloth strips and the weft cloth strips divide the space between the fire-retardant layer and the antibacterial layer into square shapes, and the antibacterial agent and the fire-retardant agent are arranged in the corresponding squares.

[0009] Further improvement, the warp elements and the weft elements are semicircular pipe structures, the opening side of the warp elements and the weft elements faces the antibacterial layer, the inner side walls of the warp elements and the weft elements are arranged with partition pieces at intervals, through holes are arranged on the inner side walls of the warp elements and the weft elements, the antibacterial space is formed in the inner cavities of the warp elements and the weft elements, and the fire-retardant space is formed in the space formed by the outer side walls of the warp elements and the weft elements.

[0010] Further improvement, the opening side edges of the warp elements and the weft elements are hingedly connected with connecting pieces, and the top of each partition piece of the warp elements and the weft elements is provided with a hinge so that the warp elements or the weft elements can be bent at a certain angle along the axial direction.

[0011] Further improvement, the connecting mode between the warp elements and the weft elements and the fire-retardant layer and the antibacterial layer is one of magnetic surface connection, needle and thread connection or hook surface connection.

[0012] Further improvement, the weft cloth strips are arranged on the pleat part of the fire-retardant layer, and the warp cloth strips are in the structure of cloth tubes with the two side edges sewn to each other.

[0013] In addition, the application further discloses a preparation method of the antibacterial and flame-retardant clothing fabric, and the preparation equipment comprises a platform, one end of the platform is provided with a flame-retardant conveying roller for conveying the flame-retardant layer, an antibacterial conveying roller for conveying the antibacterial layer and a warp roller for conveying the warp cloth, the other end of the platform is provided with a material collecting roller for collecting the prepared fabric, a plurality of strip-shaped holes extending to the outside of the one end of the platform are arranged on the platform in parallel at intervals, a warp block is arranged on the platform at the strip-shaped hole, one end of the warp block is fixedly connected to the one end of the platform, a flame-retardant feeding pipe for adding the flame retardant and an antibacterial feeding pipe for adding the antibacterial agent are arranged between the adjacent warp blocks and can move back and forth along the length direction of the warp block, a warp cloth strip is sleeved on the warp block, a warp sewing needle for sewing the two side edges of the warp cloth strip together is arranged at the middle part of the warp block, the antibacterial layer is located on the lower side of the warp block, a lower sewing hole opposite to the strip-shaped hole is formed in the lower side wall of the warp block, a first needle is arranged below the platform and is used for sewing the antibacterial layer and the warp cloth strip, the flame-retardant layer is located on the upper side of the warp block, a pulling groove is formed in the upper side wall of the warp block, a pulling roller is vertically arranged above the pulling groove, a sewing groove is formed in the upper side wall of the warp block at one end of the pulling groove, a second needle is arranged above the flame-retardant layer and is used for sewing the flame-retardant layer and the warp cloth strip, a weft block is vertically arranged at the other end of the warp block above the flame-retardant layer, a sliding hole is formed in the weft block, a moving rod is arranged in the sliding hole, a third needle is arranged at the lower end of the moving rod and is used for transversely sewing the flame-retardant layer, a transverse hole is formed in the platform, and a fourth needle is arranged below the platform and is used for sewing the flame-retardant layer and the antibacterial layer.

[0014] The preparation method comprises the following steps:

[0015] In step S1, the front end of each warp cloth strip is sleeved on the corresponding warp block, the antibacterial layer is laid on the lower side of the warp block, the flame-retardant layer is laid on the upper side of the warp block, and the prepared fabric is collected on the material collecting roller.

[0016] In step S2, the first needle sews the antibacterial layer and the warp cloth strip together, and the second needle sews the flame-retardant layer and the warp cloth strip for a distance.

[0017] In step S3, the material collecting roller rotates to collect the fabric for a distance, and the region of the flame-retardant layer sewn in step S2 moves to the other end of the pulling groove.

[0018] In step S4, the pulling roller moves downward into the pulling groove of the warp block, the flame-retardant layer is pulled forward for a distance, the flame-retardant layer enters the pulling groove, and the second needle continues to sew the flame-retardant layer and the warp cloth strip together for a distance.

[0019] Step S5, the flame-retardant feeding pipe and the antibacterial feeding pipe move forward to feed and move backward after feeding, the weft block moves downward and is placed in the area of the flame-retardant layer which is not sewn and seals the just fed material, the fourth needle machine sews the flame-retardant layer and the antibacterial layer together, then the weft block moves upward after the fourth needle machine sews, the third needle machine moves along the weft block, and the third needle machine sews the flame-retardant layers on the lower side walls of the weft block together;

[0020] Step S6, the material collecting roller rotates to collect the fabric by a distance, and steps S2 to S5 are repeated to complete the fabric production.

[0021] In addition, the application further discloses another preparation method of the antibacterial and flame-retardant clothing fabric.

[0022] Step S1, the antibacterial layer is laid on a plane, and the warp pieces and the weft pieces are connected to the antibacterial layer respectively;

[0023] Step S2, the antibacterial agent and the flame-retardant agent are arranged in the gap between the warp pieces and the weft pieces;

[0024] Step S3, the flame-retardant layer is covered on the warp pieces and the weft pieces and connected with the warp pieces and the weft pieces.

[0025] Compared with the prior art, the application has the advantages that: the clothing fabric is designed as a flame-retardant layer and an antibacterial layer structure, and a connecting web frame is arranged between the flame-retardant layer and the antibacterial layer, the connecting web frame comprises the warp pieces and the weft pieces arranged at intervals, the connecting web frame divides the space between the flame-retardant layer and the antibacterial layer into an antibacterial space and a flame-retardant space, the antibacterial agent is arranged in the antibacterial space, and the flame-retardant agent or the fire extinguishing agent is arranged in the flame-retardant space, so that special performance synthetic fibers are not needed, and the synthetic fiber weaving process is not needed, thereby reducing the production cost, solving the problem of high synthetic cost of the antibacterial and flame-retardant clothing fabric, and generating less chemical waste in the production process and being more environmentally friendly. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structure schematic view of the antibacterial and flame-retardant clothing fabric in the embodiment 1 of the application;

[0027] Figure 2 is Figure 1 a structure schematic view of the warp piece in the embodiment 1 of the application;

[0028] Figure 3 is Figure 2 a side view of the embodiment 1 of the application;

[0029] Figure 4 is a structure schematic view of the arrangement of the warp pieces and the weft pieces in the embodiment 1 of the application;

[0030] Figure 5Schematic diagram of the structure of the equipment for preparing the antibacterial and flame-retardant clothing fabric involved in Example 2 of the present invention;

[0031] Figure 6 yes Figure 5 Schematic diagram of the structure of the middle warp block;

[0032] Figure 7 yes Figure 5 Schematic diagram of the structure of the mid-zonal block. DETAILED DESCRIPTION

[0033] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0034] Example 1

[0035] like Figures 1 to 4 As shown, the antibacterial and flame-retardant clothing fabric in this embodiment includes a flame-retardant layer 2 and an antibacterial layer 1. The flame-retardant layer 2 is located on the outside and the antibacterial layer 1 is located on the inside. A connecting grid 3 is arranged between the flame-retardant layer 2 and the antibacterial layer 1. The connecting grid 3 includes warp parts 31 and weft parts 32 arranged at intervals. The connecting grid 3 divides the space between the flame-retardant layer 2 and the antibacterial layer 1 into an antibacterial space and a flame-retardant space. An antibacterial agent 41 is provided in the antibacterial space, and a flame retardant 42 or a fire extinguishing agent is provided in the flame-retardant space.

[0036] Furthermore, in this embodiment of the present invention, the flame-retardant layer 2 is woven from flame-retardant fibers, the antibacterial layer 1 is woven from antibacterial fibers, the inner wall of the antibacterial layer 1 is coated with a silver-titanium-copper nanocoating, and the connecting grid 3 is made of an elastic buffer material. A capsule is provided within the flame-retardant space, and a flame retardant 42 is placed within the capsule. The flame retardant 42 comprises antimony trioxide, a fluorine-containing flame retardant synergist, and a base material. The antimony trioxide particles have a particle size of 0.1-0.3 nm.

[0037] Furthermore, in an embodiment of the present invention, a refinement method is adopted for the antimony trioxide particles. Specifically, the antimony trioxide is evaporated through the tail gas reaction evaporation zone of the plasma arc, and then enters the condensation chamber for rapid cooling, so that antimony trioxide particles with a particle size of 0.1-0.3nm can be obtained. The ultra-fine processing technology of flame retardants can not only improve the flame retardant efficiency and reduce the amount of flame retardants, but also have a great impact on improving the smoke generation, weather resistance and coloring of flame retardants. The encapsulated capsule plays an isolating and protective role on the flame retardant, thereby effectively improving the thermal stability of the flame retardant. At the same time, by adding a fluorine-containing flame retardant synergist to antimony trioxide, on the basis of improving the overall flame retardant effect of the antimony trioxide masterbatch, the compatibility of the high content of antimony trioxide with the base material is further improved, which is more beneficial to the flame retardant effect.

[0038] In addition, in the embodiment of the present application, the warp yarns 31 and the weft yarns 32 are in a semi-circular tube structure, the opening side of the warp yarns 31 and the weft yarns 32 faces the antibacterial layer 1, the inner side wall of the warp yarns 31 and the weft yarns 32 is provided with the partition pieces 312 at intervals, the inner side wall of the warp yarns 31 and the weft yarns 32 is provided with the through holes 311, the antibacterial space is formed in the inner cavity of each of the warp yarns 31 and the weft yarns 32, and the fire-retardant space is formed in the space formed by the outer side wall of the warp yarns 31 and the weft yarns 32. Meanwhile, the connection mode between the warp yarns 31 and the weft yarns 32 and the fire-retardant layer 2 and the antibacterial layer 1 is one of the magnetic surface connection, the needle thread connection and the hook surface connection. The magnetic surface connection and the hook surface connection are respectively forming the magnetic surface or the hook surface and the surface with hooks on the fire-retardant layer 2 and the antibacterial layer 1, which has the characteristic of convenient connection; the needle thread connection has the characteristic of more firm connection, and meanwhile, in order to realize cutting and prevent the separation of the fabric after cutting, the needle thread connection adopts the discontinuous connection mode.

[0039] In addition, in order to facilitate the folding of the fabric, the opening side of the warp yarns 31 and the weft yarns 32 is hinged with the connecting pieces 313, and the top of each of the partition pieces 312 of the warp yarns 31 and the weft yarns 32 is provided with a hinge, so that the warp yarns 31 or the weft yarns 32 can be folded by a certain angle along the axial direction.

[0040] In addition, in order to improve the fire-retardant and cooling effects, the inner side wall of the fire-retardant layer 2 is provided with the semi-circular water injection pipes 5, the opening side of the water injection pipes 5 faces the fire-retardant layer 2, one end of the water injection pipes 5 is provided with the water injection pipe, the water injection pipe is communicated with each of the water injection pipes 5, and the water injection pipe is connected with the water injection pump in the water tank. After the fabric is made into clothes, the water injection pipe is arranged at the neck warmer, the water tank is arranged at the shoulder, when the person is in a high temperature environment, the water injection pump is opened, the water injection pump injects the cooling water into the water injection pipe, the cooling water flows into the fire-retardant layer 2 through each of the water injection pipes 5, the fire-retardant layer 2 is cooled, and the function of injecting water and cooling according to the requirement is realized.

[0041] Finally, in the embodiment of the present application, the present application also discloses a preparation method of the antibacterial and fire-retardant fabric, which comprises the following steps:

[0042] Step S1, the antibacterial layer 2 is laid on a plane, and the warp yarns 31 and the weft yarns 32 are connected to the antibacterial layer 2 respectively;

[0043] Step S2, the antibacterial agent 41 and the fire-retardant agent 42 are arranged in the gap between the warp yarns 31 and the weft yarns 32;

[0044] Step S3, the fire-retardant layer 2 is covered on the warp yarns 31 and the weft yarns 32 and connected with the warp yarns 31 and the weft yarns 32.

[0045] Meanwhile, in a further scheme, the water injection pipe 5 can be connected to the flame-retardant layer 2, and then the flame-retardant layer 2 and the antibacterial layer 1 are connected.

[0046] In summary, the present application designs the garment fabric as the structure of the flame-retardant layer 2 and the antibacterial layer 1, and sets the connecting web 3 between the flame-retardant layer 2 and the antibacterial layer 1, the connecting web 3 includes the warp pieces 31 and the weft pieces 32 arranged at intervals, the connecting web 3 divides the space between the flame-retardant layer 2 and the antibacterial layer 1 into the antibacterial space and the flame-retardant space, the antibacterial agent 41 is arranged in the antibacterial space, and the flame-retardant agent 42 or the fire extinguishing agent is arranged in the flame-retardant space, without the need to prepare the synthetic fiber with special performance and the process of weaving the synthetic fiber, thereby reducing the production cost, solving the problem of high synthesis cost of the antibacterial and flame-retardant garment fabric, and generating less chemical waste in the production process, and being more environmentally friendly.

[0047] Embodiment 2

[0048] In this embodiment, the warp pieces 31 are composed of warp cloth strips, the weft pieces 32 are composed of weft cloth strips, the warp cloth strips and the weft cloth strips are arranged at intervals and staggered, the outer side edges of the warp cloth strips are sewn together with the flame-retardant layer 2, the inner side edges of the warp cloth strips are sewn together with the antibacterial layer 1, the outer side edges of the weft cloth strips are sewn together with the flame-retardant layer 2, the inner side edges of the weft cloth strips are sewn together with the antibacterial layer 1, the warp cloth strips and the weft cloth strips are sewn together at the mutual connecting parts, and the warp cloth strips and the weft cloth strips divide the space between the flame-retardant layer 2 and the antibacterial layer 1 into a plurality of square shapes, and the antibacterial agent 41 and the flame-retardant agent 42 are arranged in the corresponding squares.

[0049] Further, the weft cloth strips are formed on the pleat part of the flame-retardant layer 2, and the warp cloth strips are in the structure of cloth tubes with the two side edges sewn together.

[0050] In addition, in the embodiment of the present application, a preparation device of the antibacterial and flame-retardant garment fabric is also disclosed, as shown in Figures 5 to 7As shown, the preparation equipment involved includes a platform, one end of the platform is provided with a flame retardant conveying roller for conveying the flame retardant layer 2, an antibacterial conveying roller for conveying the antibacterial layer 1, and a warp roller for conveying the warp cloth, and the other end of the platform is provided with a receiving roller for collecting the prepared fabric, a plurality of strip holes extending to the outside of one end of the platform are arranged in parallel at intervals on the platform, a warp block 6 is provided on the platform at the strip hole, one end of the warp block 6 is fixedly connected to one end of the platform, a flame retardant feeding pipe 7 for adding flame retardant 42 and an antibacterial feeding pipe for adding antibacterial agent 41 are provided between adjacent warp blocks 6, the flame retardant feeding pipe 7 and the antibacterial feeding pipe can move back and forth along the length direction of the warp block 6, the warp cloth strip is sleeved on the warp block 6, and a warp cloth sewing needle is provided in the middle of the warp block 6 for sewing the two sides of the warp cloth strip together as the warp cloth strip is pulled, the antibacterial layer 1 is located on the lower side of the warp block 6, and the antibacterial layer 1 is located on the lower side of the warp block 6. A lower sewing hole 62 is provided on the lower side wall thereof, which is opposite to the strip hole. A first needle 81 for sewing the antibacterial layer 1 and the warp strip is provided below the platform. The flame retardant layer 2 is located on the upper side of the warp block 6. A pulling groove 61 is formed on the upper side wall of the warp block 6. A pulling roller 611 is provided for vertical movement above the pulling groove 61. A sewing groove 63 is provided on the upper side wall of the warp block 6 at one end of the pulling groove 61. A roller for suturing the flame retardant layer 2 is provided above the flame retardant layer 2. A second needle 82 for sewing the flame retardant layer 2 and the warp strips is provided with a weft block 9 for vertical movement above the flame retardant layer 2 and at the other end of the warp block 6. A sliding hole 91 is provided on the weft block 9, and a moving rod 92 is provided in the sliding hole 91. A third needle for transversely sewing the flame retardant layer 2 is provided at the lower end of the moving rod 92. A transverse hole is provided on the platform, and a fourth needle 84 for sewing the flame retardant layer 2 and the antibacterial layer 1 is provided below the platform.

[0051] In addition, the present invention also discloses a method for preparing the antibacterial and flame-retardant clothing fabric, which comprises the following steps:

[0052] Step S1: The front end of each warp fabric strip is placed on the corresponding warp block 6, the antibacterial layer 1 is laid below the warp block 6, and the flame retardant layer 2 is laid above the warp block 6. The sewn fabric is collected on a collection roller;

[0053] Step S2: The first needle 81 sews the antibacterial layer 1 and the warp strips together, and the second needle 82 sews the flame retardant layer 2 and the warp strips together for a distance;

[0054] Step S3, the receiving roller rotates to receive the fabric for a certain distance, and the area of ​​the flame retardant layer 2 sewn in step S2 moves to the other end of the pulling groove 61;

[0055] Step S4, the pulling roller 611 is pulled down into the pulling groove 61 of the warp block, the fireproof layer 2 is pulled forward for a distance, the fireproof layer 2 enters the pulling groove 61, and the second needle 82 continues to sew the fireproof layer 2 and the warp cloth in the rear for a distance;

[0056] Step S5, the fireproof feeding pipe 7 and the antibacterial feeding pipe move forward to feed and retreat after feeding, the weft block 9 moves down, the weft block 9 is placed in the unsewn area of the fireproof layer 2 and seals the just fed material, the fourth needle 84 sews the fireproof layer and the antibacterial layer 2 together, then the fourth needle 84 sews the weft block 9 upward, the third needle moves along the weft block 9, and the third needle sews the fireproof layer 2 on the lower side wall of the weft block 9 together;

[0057] Step S6, the material collecting roller rotates to collect the fabric for a distance, and steps S2 to S5 are repeated to complete the fabric production.

Claims

1. A method for preparing an antibacterial flame-retardant clothing fabric, wherein the antibacterial flame-retardant clothing fabric comprises a flame-retardant layer (2) and an antibacterial layer (1), wherein the flame-retardant layer (2) is located on the outside and the antibacterial layer (1) is located on the inside, and is characterized in that: A connecting grid (3) is provided between the flame retardant layer (2) and the antibacterial layer (1), the connecting grid (3) comprising warp pieces (31) and weft pieces (32) arranged at intervals, the connecting grid (3) dividing the space between the flame retardant layer (2) and the antibacterial layer (1) into an antibacterial space and a flame retardant space, an antibacterial agent (41) being provided in the antibacterial space, and a flame retardant (42) or a fire extinguishing agent being provided in the flame retardant space; The warp strips (31) are composed of warp strips, and the weft strips (32) are composed of weft strips. The warp strips and the weft strips are arranged alternately. The outer edges of the warp strips are sewn together with the flame retardant layer (2), the inner edges of the warp strips are sewn together with the antibacterial layer (1), the outer edges of the weft strips are sewn together with the flame retardant layer (2), the inner edges of the weft strips are sewn together with the antibacterial layer (1), and the warp strips and the weft strips are sewn together at the intersections. The warp strips and the weft strips divide the space between the flame retardant layer (2) and the antibacterial layer (1) into squares, and the antibacterial agent (41) and the flame retardant (42) are arranged in the corresponding squares. The weft fabric strips are formed on the folded portion of the flame retardant layer (2), and the warp fabric strips are a cloth tube structure with both sides sewn together; The preparation equipment involved includes a platform, one end of the platform is provided with a flame retardant conveying roller for conveying the flame retardant layer (2), an antibacterial conveying roller for conveying the antibacterial layer (1), and a warp roller for conveying the warp cloth, and the other end of the platform is provided with a receiving roller for collecting the prepared fabric, a plurality of strip holes extending to the outside of one end of the platform are arranged in parallel at intervals on the platform, a warp block (6) is provided on the platform at the strip hole, one end of the warp block (6) is fixedly connected to one end of the platform, and a warp block (6) is provided between adjacent warp blocks (6). A flame retardant feeding pipe (7) for adding a flame retardant (42) and an antibacterial feeding pipe for adding an antibacterial agent (41) are provided. The flame retardant feeding pipe (7) and the antibacterial feeding pipe can move back and forth along the length direction of the warp block (6). The warp cloth strip is sleeved on the warp block (6). A warp cloth sewing needle is provided in the middle of the warp block (6) for sewing the two sides of the warp cloth strip together as the warp cloth strip is pulled. The antibacterial layer (1) is located on the lower side of the warp block (6). A hole corresponding to the strip hole is provided on the lower side wall of the warp block (6). The lower sewing hole (62) is provided on the platform, and a first needle (81) for sewing the antibacterial layer (1) and the warp strip is provided below the platform. The flame retardant layer (2) is located on the upper side of the warp block (6). A pulling groove (61) is formed on the upper side wall of the warp block (6). A pulling roller (611) is provided above the pulling groove (61) for vertical movement. A sewing groove (63) is provided on the upper side wall of the warp block (6) at one end of the pulling groove (61). A sewing roller (611) is provided above the flame retardant layer (2) for sewing the flame retardant layer (2) and the warp strip. A second needle (82) for sewing the cloth strips is provided with a weft block (9) which is arranged vertically above the flame retardant layer (2) and at the other end of the warp block (6). A sliding hole (91) is provided on the weft block (9), a moving rod (92) is provided in the sliding hole (91), a third needle for transversely sewing the flame retardant layer (2) is provided at the lower end of the moving rod (92), a transverse hole is provided on the platform, and a fourth needle (84) for sewing the flame retardant layer (2) and the antibacterial layer (1) is provided below the platform; The preparation method comprises the following steps: Step S1, sleeve the front end of each warp strip on the corresponding warp block (6), lay the antibacterial layer (1) below the warp block (6), lay the flame retardant layer (2) above the warp block (6), and collect the sewn fabric on a collection roller; Step S2, the first needle (81) sews the antibacterial layer (1) and the warp strips together, and the second needle (82) sews the flame retardant layer (2) and the warp strips together for a distance; Step S3, the receiving roller rotates to receive the fabric for a certain distance, and the area sewn in step S2 on the flame retardant layer (2) moves to the other end of the pulling groove (61); Step S4, the pulling roller (611) moves downward to the pulling groove (61) of the warp block (6), the flame retardant layer (2) is pulled forward for a distance, the flame retardant layer (2) enters the pulling groove (61), and the second needle (82) continues to sew the rear flame retardant layer (2) and the warp strips to each other for a distance; Step S5, the flame retardant feeding tube (7) and the antibacterial feeding tube move forward to feed and retreat after feeding, the weft block (9) moves downward, the weft block (9) is placed in the unsewn area of ​​the flame retardant layer (2) and blocks the newly added material, the fourth needle (84) sews the flame retardant layer (2) and the antibacterial layer (1) together transversely, and then, after the fourth needle (84) sews, the weft block (9) moves upward, the third needle moves along the weft block (9), and the third needle sews the flame retardant layer (2) at the lower side wall of the weft block (9) together; Step S6: The receiving roller rotates forward to receive a certain distance of the fabric, and steps S2 to S5 are repeated to complete the fabric production.

2. The method for preparing the antibacterial and flame-retardant clothing fabric according to claim 1, characterized in that: A wrapping capsule is provided in the flame retardant space, and a flame retardant (42) is placed in the wrapping capsule. The flame retardant (42) includes antimony trioxide, a fluorine-containing flame retardant synergist and a base material. The particle size of the antimony trioxide particles is 0.1-0.3nm. The antimony trioxide particle refinement method is to allow the antimony trioxide to evaporate through the tail gas reaction evaporation zone of the plasma arc and then enter the condensation chamber for rapid cooling, so that antimony trioxide particles with a particle size of 0.1-0.3nm can be obtained.

3. The method for preparing the antibacterial and flame-retardant clothing fabric according to claim 1, wherein: A semicircular water injection pipe (5) is provided on the inner side wall of the flame retardant layer (2), with the opening side of the water injection pipe (5) facing the flame retardant layer (2). A water supply pipe is provided at one end of the water injection pipe (5), the water supply pipe is connected to each water injection pipe (5), and the water supply pipe is connected to a water supply pump in the water tank.

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