Spraying and rolling device and spraying and rolling process for cool-feeling antibacterial composite nano protective fabric

Abstract

The invention relates to a divisional application of Chinese application 202510968765.2, and provides a spraying and rolling device and a spraying and rolling process for a cool antibacterial composite nano protective fabric, which are used for opening a fiber fabric material belt and spraying and soaking a cool finishing agent, a first spraying head is arranged at the downstream of two first mangle rollers, and a second spraying head is arranged at the downstream of two second mangle rollers. A plurality of expansion rollers are arranged between the two first mangle rollers and the two second mangle rollers, the plurality of expansion rollers are jointly connected with an expansion roller driving mechanism, a second spraying head used for spraying the fiber fabric material belt for the second time is arranged between every two adjacent expansion rollers, and the fiber fabric material belt penetrates through the spraying and rolling device and is subjected to spraying and rolling twice. The fiber fabric material belt is expanded through the expansion roller, so that the cool-feeling finishing agent can be fully impregnated on the fiber fabric material belt, the efficiency is high, the impregnation effect of the cool-feeling finishing agent is better, the washability of the cool-feeling finishing agent is improved, and a garment finished product sewn by the fabric has better cool-feeling performance and durability; the high-temperature outdoor wearing comfort of people is improved.

Description

[0001] This application is a divisional application of Chinese application No. 202510968765.2, filed on July 15, 2025, entitled “Production Equipment and Preparation Method of Cooling Antibacterial Composite Nano Protective Fabric”. Technical Field

[0002] This invention relates to the field of composite fabric production technology, and in particular to a spraying device and spraying process for a cooling antibacterial composite nano protective fabric. Background Technology

[0003] As people's living standards improve, their demands for the functionality of clothing are also increasing. Especially during hot outdoor activities, people need clothing with cooling properties to reduce skin temperature and antibacterial properties to reduce the impact of outdoor bacteria on the skin. Most existing outdoor clothing is made of composite fabrics, which are made by gluing together multiple single-layer fabrics. The disadvantages of the existing manufacturing method are: uneven application of glue, easy glue overflow after pressing single-layer fabrics together, and moisture penetration at the seams of composite fabrics. Summary of the Invention

[0004] This invention proposes a spraying device and process for a cooling antibacterial composite nano protective fabric. By using an expansion roller to stretch the fiber fabric strip, the cooling finishing agent can be fully impregnated onto the fiber fabric strip. This process is highly efficient and provides a better impregnation effect for the cooling finishing agent, improving its washability. As a result, the finished garment made from the fabric has better cooling performance and durability, increasing the comfort of people wearing it outdoors in high temperatures.

[0005] One technical solution of the present invention is implemented as follows: A cooling antibacterial composite nano protective fabric spraying device is provided. The spraying device is used to expand the fiber fabric strip and spray it with a cooling finishing agent. It includes two first spraying rollers and two second spraying rollers. Downstream of the two first spraying rollers, there are two first spray heads for initially spraying the cooling finishing agent onto both sides of the fiber fabric strip. Between the two first spraying rollers and the two second spraying rollers, there are several expansion rollers for expanding the fiber fabric strip after the first spraying. The several expansion rollers are connected to an expansion roller drive mechanism. Between two adjacent expansion rollers, there are second spray heads for spraying the fiber fabric strip a second time.

[0006] As a preferred technical solution, a plurality of expansion rollers are circumferentially distributed on the outside of the expansion roller drive mechanism, and the plurality of expansion rollers abut against the fiber fabric strip between the two first liquid rolling rollers and the two second liquid rolling rollers. The expansion roller drive mechanism drives the plurality of expansion rollers to slide radially on the frame.

[0007] As a preferred technical solution, the expansion roller driving mechanism includes a drive screw rotatably mounted on the frame, a guide sleeve sleeved on the drive screw, the guide sleeve being fixedly mounted on the frame, a sliding sleeve slidably mounted on the outer side of the guide sleeve, a nut threaded onto the drive screw, the nut being fixedly connected to the sliding sleeve, three sliding frames slidably mounted on the frame along the radial direction of the sliding sleeve, the three sliding frames being circumferentially distributed on the outer side of the sliding sleeve, and two pairs of connecting rods hinged between each sliding frame and the sliding sleeve, and three expansion rollers being provided and rotatably mounted on the corresponding sliding frames.

[0008] As a preferred technical solution, the spraying device further includes a drying box fixedly installed on the frame. The drying box is disposed between the two second liquid rolling rollers and the first cutting and bonding device. The drying box is connected to a hot air system, and the impregnated fiber fabric strip passes through the drying box.

[0009] As a preferred technical solution, the frame is provided with three sliding frame guide grooves, which are circumferentially arranged on the outside of the sliding sleeve. The end of each sliding frame near the frame is slidably installed in the corresponding sliding frame guide groove.

[0010] As a preferred technical solution, a lead screw drive motor is fixedly installed on the frame, the lead screw drive motor is connected to the drive lead screw, and two rotating bearings are provided between the guide sleeve and the drive lead screw.

[0011] As a preferred technical solution, at least one sliding sleeve guide groove is provided on the outer peripheral surface of the guide sleeve along the axial direction, and at least one protrusion is provided on the inner peripheral surface of the sliding sleeve 20 along the axial direction, with each protrusion disposed in the corresponding sliding sleeve guide groove.

[0012] As a preferred technical solution, a first cutting and bonding device is used to cut the first double-sided adhesive and bond the cut first double-sided adhesive to the top side of the sprayed fiber fabric strip; the first cutting and bonding device includes a first double-sided adhesive cutting knife holder and a first double-sided adhesive bonding knife holder fixedly installed on the frame, the first double-sided adhesive cutting knife holder is disposed upstream of the first double-sided adhesive bonding knife holder, and the first double-sided adhesive cutting knife holder is provided with a first double-sided adhesive traction mechanism and a first double-sided adhesive cutting mechanism.

[0013] Another technical solution of the present invention is implemented as follows: The spraying process of the cooling antibacterial composite nano protective fabric spraying device specifically includes the following steps: S1. The fiber fabric strip passes between two first spray heads. The two first spray heads spray the cooling finishing agent onto both sides of the fiber fabric strip. After the first spraying is completed, the fiber fabric strip passes between two first rolling rollers. The two first rolling rollers squeeze out the excess cooling finishing agent, thus completing the first spraying of the fiber fabric strip. S2. After the first spraying, the fiber fabric strip is spread open by several expansion rollers. The second spray head sprays the cooling finishing agent onto the spread fiber fabric strip. After the second spraying, the fiber fabric strip passes between two second rolling rollers. The two second rolling rollers squeeze out the excess cooling finishing agent, thus completing the second spraying of the fiber fabric strip. S3. After the second spraying is completed, the cooling finishing agent is fully impregnated into the fiber fabric strip and a cooling layer is formed on both sides of the fiber fabric strip.

[0014] As a preferred technical solution, it further includes: S4, cutting the first double-sided adhesive and attaching it to the top side of the fiber fabric strip after secondary spraying using the first cutting and bonding device.

[0015] By adopting the above technical solution, the beneficial effects of the present invention are as follows: Because the production equipment for the cooling antibacterial composite nano protective fabric includes a spraying device, during the spraying process of the fiber fabric strip, the first spray head performs the first spraying on the fiber fabric strip. After the first spraying, it passes between two first liquid rollers, and excess cooling finishing agent is squeezed out. Then, it is wound around an expansion roller and passes between two second liquid rollers. Driven by the expansion roller drive mechanism, the expansion roller expands the fiber fabric strip. At the same time, the second spray head sprays the cooling finishing agent onto the expanded fiber fabric strip. This invention uses a spraying method and expands the fiber fabric strip through the expansion roller, so that the cooling finishing agent can be fully impregnated onto the fiber fabric strip. This method is efficient and the impregnation effect of the cooling finishing agent is better, improving the washability of the cooling finishing agent. As a result, the finished garment sewn from the fabric has better cooling performance and durability, increasing the comfort of people wearing it outdoors in high temperatures.

[0016] The spraying device stretches the fiber fabric strip and sprays it with a cooling finishing agent. After spraying, the first cutting and bonding device cuts the first double-sided adhesive and bonds the cut first double-sided adhesive to the fiber fabric strip. The first double-sided adhesive seals the edge of the adhesive film in the cooling antibacterial composite nano protective fabric with the edge of the fiber fabric strip, preventing moisture penetration at the fabric seams.

[0017] Because the production equipment for the cooling antibacterial composite nano protective fabric includes an expansion roller drive mechanism, during the second spraying process, the nut is fixedly connected to the sliding sleeve, and the sliding sleeve is axially slidably installed on the guide sleeve. As the drive screw rotates, the nut moves axially, causing the sliding sleeve to move axially. Under the connection and push of the connecting rod, the sliding frame moves radially. Under the pressure of the first and second liquid rollers, the fiber fabric strip between the two first liquid rollers and the two second liquid rollers is pushed and spread apart by the expansion roller, thereby increasing the fiber gap and allowing the cooling finishing agent to be better impregnated onto the fiber fabric strip. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of the expansion roller spreading the fiber fabric strip according to Embodiment 1 of the present invention; Figure 2 for Figure 2 Schematic sectional view along the middle AA direction; Figure 3 Reference image for the state of the transferred antibacterial composite sheet; Figure 4 This is a schematic diagram of the structure of Embodiment 3 of the present invention; Figure 5 A schematic diagram of the structure of the antibacterial material tape cutting and transfer knife holder; Figure 6 This is a schematic diagram of the suction plate structure; Figure 7 This is a schematic diagram of the structure of the first double-sided tape cutting roller; Figure 8 This is a schematic diagram of the structure of the second double-sided tape cutting roller; Figure 9 A schematic diagram of the structure of a fiber fabric strip cutting roller; Figure 10 This is a schematic diagram of the first double-frame structure; Figure 11 This is a process diagram of a cooling antibacterial composite nano-protective fabric.

[0020] The components include: 1. Frame; 2. Fiber fabric strip; 3. First liquid-pressing roller; 4. Second liquid-pressing roller; 5. First spray head; 6. Expansion roller; 7. Second spray head; 8. First double-sided adhesive; 9. Second double-sided adhesive; 10. Antibacterial strip; 11. Adhesive film; 12. Antibacterial strip cutting and transferring knife holder; 13. Antibacterial composite sheet; 14. Antibacterial strip cutting knife roller; 15. Suction transferring roller; 16. Antibacterial composite sheet bonding roller; 17. Fiber fabric strip cutting knife holder; 18. Drive screw; 19. Guide sleeve; 20. Sliding sleeve; 21. Nut; 22. Sliding frame; 23. Connecting rod; 24. Suction hole; 25. Suction disc; 26. Suction trough; 27. First double-sided adhesive cutting knife holder; 28. First double-sided adhesive bonding knife holder; 29. ​​Adhesive film bonding knife holder; 30. Second double-sided adhesive bonding knife holder; 31. Second double-sided adhesive cutting knife holder; 32. Drying oven; 33. Sliding frame guide groove; 34. Screw drive motor; 35. Rotary bearing; 36. Sliding sleeve guide groove; 37. Protrusion; 38. First double-sided adhesive traction roller; 39. First double-sided adhesive cutting knife roller; 40. First double-sided adhesive cutting bottom roller; 41. Cooling layer; 42. First double-sided adhesive bonding roller; 43. First double-sided adhesive bonding bottom roller; 44. Gear; 45. First bottom film peeling roller; 46. Anti- 47. Drive motor for the antibacterial composite sheet laminating roller; 48. Second double-sided adhesive traction roller; 49. Second double-sided adhesive cutting roller; 50. Second double-sided adhesive cutting bottom roller; 51. Antibacterial strip cutting die; 52. First antibacterial strip pressing roller; 53. Second antibacterial strip pressing roller; 54. First double-sided adhesive cutting die; 55. Second bottom film peeling roller; 56. First adhesive film laminating roller; 57. Second adhesive film laminating roller; 58. Second double-sided adhesive cutting die; 59. Finished product collection box; 60. Fiber fabric strip traction roller; 61. Fiber fabric strip cutting roller; 62. Fiber fabric strip cutting bottom roller; 63. Fiber fabric strip cutting die; 63. Cooling finishing agent collection box; 64. Fiber fabric tape feeding shaft; 65. First double-sided adhesive feeding shaft; 66. First backing film feeding shaft; 67. Second double-sided adhesive feeding shaft; 68. Second backing film feeding shaft; 69. Adhesive film feeding shaft; 70. Antibacterial tape feeding shaft; 71. First backing paper peeling roller; 72. First backing paper receiving shaft; 73. Second backing paper peeling roller; 74. Second backing paper receiving shaft; 75. First backing film receiving shaft; 76. Second backing film receiving shaft; 77. Antibacterial tape cutting waste collection shaft; 78. Fiber fabric tape cutting waste collection shaft; 79. First double-sided adhesive frame; 80. Second double-sided adhesive frame. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Example 1 The cooling antibacterial composite nano protective fabric spraying device includes two first spraying rollers 3 and two second spraying rollers 4. Downstream of the two first spraying rollers 3, there are two first spray heads 5 for initially spraying the cooling finishing agent onto both sides of the fiber fabric strip 2. Between the two first spraying rollers 3 and the two second spraying rollers 4, there are several expansion rollers 6 for spreading the fiber fabric strip 2 after the first spraying. The several expansion rollers 6 are connected to an expansion roller drive mechanism. Between two adjacent expansion rollers 6, there are second spray heads 7 for spraying the fiber fabric strip 2 a second time. In this invention, the cooling finishing agent is xylitol cooling finishing agent.

[0023] like Figure 2 and Figure 3 As shown, several expansion rollers 6 are circumferentially distributed on the outside of the expansion roller drive mechanism. The expansion rollers 6 all abut against the fiber fabric strip 2 between the two first liquid rolling rollers 3 and the two second liquid rolling rollers 4. The expansion roller drive mechanism drives the several expansion rollers 6 to slide radially on the frame 1.

[0024] The expansion roller drive mechanism includes a drive screw 18 rotatably mounted on the frame 1, a guide sleeve 19 sleeved on the drive screw 18, the guide sleeve 19 being fixedly mounted on the frame 1, a sliding sleeve 20 slidably mounted on the outer side of the guide sleeve 19, a nut 21 threaded on the drive screw 18, the nut 21 being fixedly connected to the sliding sleeve 20, three sliding frames 22 slidably mounted on the frame 1 along the radial direction of the sliding sleeve 20, the three sliding frames 22 being circumferentially distributed on the outer side of the sliding sleeve 20, and two pairs of connecting rods 23 hinged between each sliding frame 22 and the sliding sleeve 20, and three expansion rollers 6 being provided and rotatably mounted on the corresponding sliding frames 22 respectively.

[0025] Furthermore, the spraying device also includes a drying box 32 fixedly installed on the frame 1. The drying box 32 is located between the two second liquid rolling rollers 4 and the first cutting and bonding device. The drying box 32 is connected to a hot air system, and the impregnated fiber fabric strip 2 passes through the drying box 32.

[0026] like Figure 2 and Figure 3As shown, the frame 1 is provided with three sliding frame guide grooves 33. The three sliding frame guide grooves 33 are circumferentially arranged on the outside of the sliding sleeve 20. The end of each sliding frame 22 near the frame 1 is slidably installed in the corresponding sliding frame guide groove 33.

[0027] A lead screw drive motor 34 is fixedly installed on the frame 1. The lead screw drive motor 34 is connected to the drive lead screw 18. Two rotating bearings 35 are provided between the guide sleeve 19 and the drive lead screw 18.

[0028] At least one sliding sleeve guide groove 36 is provided on the outer peripheral surface of the guide sleeve 19 along the axial direction, and at least one protrusion 37 is provided on the inner peripheral surface of the sliding sleeve 20 along the axial direction, with each protrusion 37 being disposed in the corresponding sliding sleeve guide groove 36.

[0029] Example 2 The spraying process of the cooling antibacterial composite nano protective fabric spraying device specifically includes the following steps: S1. The fiber fabric strip passes between two first spray heads. The two first spray heads spray the cooling finishing agent onto both sides of the fiber fabric strip. After the first spraying is completed, the fiber fabric strip passes between two first rolling rollers. The two first rolling rollers squeeze out the excess cooling finishing agent, thus completing the first spraying of the fiber fabric strip. S2. After the first spraying, the fiber fabric strip is spread open by several expansion rollers. The second spray head sprays the cooling finishing agent onto the spread fiber fabric strip. After the second spraying, the fiber fabric strip passes between two second rolling rollers. The two second rolling rollers squeeze out the excess cooling finishing agent, thus completing the second spraying of the fiber fabric strip. S3. After the second spraying is completed, the cooling finishing agent is fully impregnated into the fiber fabric strip and a cooling layer is formed on both sides of the fiber fabric strip. S4. The first double-sided adhesive is cut and bonded to the top side of the fiber fabric strip after secondary spraying using the first cutting and bonding device.

[0030] Example 3 This embodiment is an application of Embodiment 1 and Embodiment 2. The structure and process of Embodiment 1 and Embodiment 2 are applied to Embodiment 3 for the production of cool-feeling antibacterial composite nano-protective fabric.

[0031] like Figures 1-11 As shown in the diagram, the equipment for producing cool-feeling antibacterial composite nano-protective fabric includes a frame 1. Along the forward direction of the fiber fabric belt 2, the frame 1 is equipped with: A spraying device for spreading the fiber fabric strip 2 and spraying it with a cooling finishing agent.

[0032] A first cutting and bonding device for cutting the first double-sided adhesive 8 and bonding the cut first double-sided adhesive 8 to the top side of the sprayed fiber fabric strip 2.

[0033] A second cutting and bonding device for cutting the second double-sided adhesive 9 and sequentially bonding the antibacterial strip 10, the cut second double-sided adhesive 9, and the adhesive film 11 together.

[0034] like Figure 1 , Figure 4 and Figure 5 As shown, an antibacterial tape cutting and transferring blade holder 12 is fixedly installed on the frame 1. The antibacterial tape cutting and transferring blade holder 12 is located between the first cutting and bonding device and the second cutting and bonding device. The antibacterial tape cutting and transferring blade holder 12 is provided with an antibacterial tape cutting roller 14 and a suction transferring roller 15 for cutting the bonded antibacterial tape 10 into antibacterial composite sheets 13 and adsorbing and transferring the antibacterial composite sheets 13. An antibacterial composite sheet bonding roller 16 is provided below the suction transferring roller 15. The antibacterial composite sheet bonding roller 16 and the suction transferring roller 15 cooperate to bond the antibacterial composite sheet 13 to the top side of the fiber fabric tape 2.

[0035] Downstream of the antibacterial material tape cutting and transferring knife holder 12, there is a fiber fabric material tape cutting knife holder 17.

[0036] like Figure 4 and Figure 5 As shown in the figure, the outer circumferential surface of the suction transfer roller 15 is provided with a plurality of suction holes 24 for adsorbing antibacterial composite sheet 13. A suction plate 25 for connecting the suction holes 24 and the vacuum pump is sleeved on one end shaft of the suction transfer roller 15. The suction plate 25 is fixedly connected to the antibacterial material strip cutting and transfer knife seat 12. The suction plate 25 is provided with suction grooves 26. The vacuum pump is not shown in the figure.

[0037] like Figure 5 As shown, several antibacterial strip cutting dies 50 are evenly distributed on the outer peripheral surface of the antibacterial strip cutting roller 14.

[0038] The first cutting and bonding device includes a first double-sided adhesive cutting knife holder 27 and a first double-sided adhesive bonding knife holder 28, which are fixedly installed on the frame 1. The first double-sided adhesive cutting knife holder 27 is located upstream of the first double-sided adhesive bonding knife holder 28. The first double-sided adhesive cutting knife holder 27 is provided with a first double-sided adhesive traction mechanism and a first double-sided adhesive cutting mechanism.

[0039] Furthermore, the second cutting and bonding device includes a film bonding knife holder 29, a second double-sided adhesive bonding knife holder 30, and a second double-sided adhesive cutting knife holder 31, which are sequentially fixedly installed on the frame 1. The second double-sided adhesive cutting knife holder 31 is provided with a second double-sided adhesive traction mechanism and a second double-sided adhesive cutting mechanism, and the second double-sided adhesive bonding knife holder 30 is provided with a second double-sided adhesive pressing mechanism and a peeling mechanism.

[0040] like Figure 1 As shown, the first double-sided tape traction mechanism is located downstream of the first double-sided tape cutting mechanism. The first double-sided tape traction mechanism includes two first double-sided tape traction rollers 38 rotatably mounted from top to bottom on the first double-sided tape cutting blade holder 27, and the two first double-sided tape traction rollers 38 are drive-connected. The first double-sided tape cutting mechanism includes a first double-sided tape cutting blade roller 39 and a first double-sided tape cutting bottom roller 40 rotatably mounted from top to bottom on the first double-sided tape cutting blade holder 27, and the first double-sided tape cutting bottom roller 40 and the first double-sided tape cutting blade roller 39 are drive-connected, as shown... Figure 7 As shown, a plurality of first double-sided adhesive cutting dies 53 are evenly distributed on the outer peripheral surface of the first double-sided adhesive cutting roller 39.

[0041] The first double-sided adhesive bonding knife holder 28 is rotatably mounted from top to bottom with the first double-sided adhesive bonding roller 42 and the first double-sided adhesive bonding bottom roller 43, which are connected by a drive mechanism.

[0042] The antibacterial material tape cutting and transferring knife holder 12 is rotatably mounted from top to bottom with two first bottom film peeling rollers 45 for peeling off the first bottom film. The two first bottom film peeling rollers 45 are located upstream of the antibacterial material tape cutting knife roller 14 and are connected by a drive.

[0043] An antibacterial composite sheet bonding roller drive motor 46 is fixedly installed on the antibacterial material tape cutting and transferring knife holder 12. The antibacterial composite sheet bonding roller drive motor 46 is connected to the antibacterial composite sheet bonding roller 16. The antibacterial composite sheet bonding roller 16, the suction transfer roller 15 and the antibacterial material tape cutting knife roller 14 are connected in sequence.

[0044] The second double-sided tape traction mechanism is located upstream of the second double-sided tape cutting mechanism. The second double-sided tape traction mechanism includes two second double-sided tape traction rollers 47 that are rotatably mounted on the second double-sided tape cutting blade holder 31 from top to bottom, and the two second double-sided tape traction rollers 47 are connected by a drive.

[0045] The second double-sided tape cutting mechanism includes a second double-sided tape cutting blade roller 48 and a second double-sided tape cutting bottom roller 49, which are rotatably mounted on a second double-sided tape cutting blade holder 31 from top to bottom. The second double-sided tape cutting bottom roller 49 and the second double-sided tape cutting blade roller 48 are connected by a transmission mechanism. Figure 8 As shown, a plurality of second double-sided adhesive cutting dies 57 are evenly distributed on the outer peripheral surface of the second double-sided adhesive cutting roller 48.

[0046] The second double-sided adhesive pressing mechanism includes a first antibacterial tape pressing roller 51 and a second antibacterial tape pressing roller 52, which are rotatably mounted on the second double-sided adhesive pressing knife holder 30 from top to bottom. The second antibacterial tape pressing roller 52 and the first antibacterial tape pressing roller 51 are connected by a drive.

[0047] The peeling mechanism includes two second bottom film peeling rollers 54 that are rotatably mounted on the second double-sided adhesive bonding knife holder 30 from top to bottom, and the two second bottom film peeling rollers 54 are connected by a drive.

[0048] The adhesive film bonding knife holder 29 is rotatably mounted with a first adhesive film bonding roller 55 and a second adhesive film bonding roller 56 from top to bottom, and the second adhesive film bonding roller 56 and the first adhesive film bonding roller 55 are connected by a drive.

[0049] The fiber fabric strip cutting knife holder 17 includes a fiber fabric strip traction mechanism and a fiber fabric strip cutting mechanism. The fiber fabric strip traction mechanism is located downstream of the fiber fabric strip cutting mechanism. A finished product collection box 58 is located downstream of the fiber fabric strip cutting knife holder 17. The finished product collection box 58 is used to collect the finished fabric cut by the fiber fabric strip cutting knife holder 17.

[0050] The fiber fabric strip traction mechanism includes two fiber fabric strip traction rollers 59 that are rotatably mounted on the fiber fabric strip cutting knife holder 17 from top to bottom, and the two fiber fabric strip traction rollers 59 are connected by a drive.

[0051] The fiber fabric strip cutting mechanism includes a fiber fabric strip cutting blade roller 60 and a fiber fabric strip cutting bottom roller 61, which are rotatably mounted on the fiber fabric strip cutting blade holder 17 from top to bottom. The fiber fabric strip cutting bottom roller 61 and the fiber fabric strip cutting blade roller 60 are connected by a drive mechanism. Figure 9 As shown, a fiber fabric strip cutting die 62 is provided on the outer peripheral surface of the fiber fabric strip cutting roller 60.

[0052] Several rotary drive motors are fixedly installed on the frame 1. Among them, a first double-sided adhesive traction roller 38, a first double-sided adhesive cutting bottom roller 40, a first double-sided adhesive bonding bottom roller 43, a first bottom film peeling roller 45, a second double-sided adhesive traction roller 47, a second double-sided adhesive cutting bottom roller 49, a second antibacterial material tape pressing roller 52, a second bottom film peeling roller 54, a second adhesive film bonding roller 56, a fiber fabric material tape traction roller 59, and a fiber fabric material tape cutting bottom roller 61 are respectively driven by a rotary drive motor.

[0053] like Figure 5 As shown, a gear 44 is fixedly installed on the end shafts of the antibacterial material tape cutting roller 14, the suction transfer roller 15, and the antibacterial composite sheet bonding roller 16, respectively. The adjacent gears 44 mesh with each other, realizing the sequential transmission connection of the antibacterial composite sheet bonding roller 16, the suction transfer roller 15, and the antibacterial material tape cutting roller 14. In this invention, the other rollers that are connected by transmission are also connected by gears 44.

[0054] A cooling finishing agent collection box 63 is fixedly installed on the frame 1. The cooling finishing agent collection box 63 is located below the spraying device and is used to collect the cooling finishing agent dripping from the fiber fabric strip 2.

[0055] The frame 1 is rotatably mounted with a fiber fabric strip feeding shaft 64, a first double-sided adhesive feeding shaft 65, a first bottom film feeding shaft 66, a second double-sided adhesive feeding shaft 67, a second bottom film feeding shaft 68, an adhesive film feeding shaft 69, and an antibacterial strip feeding shaft 70.

[0056] The fiber fabric strip feeding shaft 64 is located downstream of the two first spray heads 5. The two first spray heads 5 and the two second spray heads 7 are all connected to the finishing agent spraying system. The finishing agent spraying system and the hot air system are not shown in the figure.

[0057] The first double-sided adhesive feeding shaft 65 and the first bottom film feeding shaft 66 are both located downstream of the first double-sided adhesive cutting knife holder 27. Two first bottom paper peeling rollers 71 and two first bottom paper receiving shafts 72 are rotatably mounted on the frame 1 between the first double-sided adhesive feeding shaft 65 and the first double-sided adhesive cutting knife holder 27.

[0058] The second double-sided adhesive feeding shaft 67 and the second bottom paper receiving shaft 74 are both located upstream of the second double-sided adhesive cutting knife holder 31. Two second bottom paper peeling rollers 73 and two second bottom paper receiving shafts 74 are rotatably mounted on the frame 1 between the second double-sided adhesive feeding shaft 67 and the second double-sided adhesive cutting knife holder 31.

[0059] The film feeding shaft 69 is located downstream of the film bonding knife holder 29.

[0060] The antibacterial material feeding shaft 70 is located downstream of the second double-sided adhesive bonding knife holder 30.

[0061] Two rolling mill drive motors are fixedly installed on the frame 1. One first rolling mill 3 and one second rolling mill 4 are respectively connected to the corresponding rolling mill drive motor. The two first rolling mill 3 are connected to each other, and the two second rolling mill 4 are connected to each other. The two rolling mill drive motors are not shown in the figure.

[0062] The frame 1 is rotatably mounted with a first bottom film receiving shaft 75, a second bottom film receiving shaft 76, an antibacterial material strip cutting waste collection shaft 77, and a fiber fabric material strip cutting waste collection shaft 78.

[0063] Several material shaft drive motors are fixedly installed on the frame 1. The fiber fabric tape feeding shaft 64, the first double-sided adhesive feeding shaft 65, the first bottom film feeding shaft 66, the first bottom film receiving shaft 75, the two first bottom paper receiving shafts 72, the second double-sided adhesive feeding shaft 67, the two second bottom paper receiving shafts 74, the second bottom film feeding shaft 68, the second bottom film receiving shaft 76, the adhesive film feeding shaft 69, the antibacterial tape cutting waste collection shaft 77, the antibacterial tape feeding shaft 70, and the fiber fabric tape cutting waste collection shaft 78 are all connected to the corresponding material shaft drive motors. All material shaft drive motors are not shown in the figure.

[0064] The second double-sided adhesive is cut by the second cutting and bonding device, and the antibacterial strip, the cut second double-sided adhesive and the adhesive film are bonded together in sequence. Then, the antibacterial strip is cut into several antibacterial composite sheets by the antibacterial strip cutting roller and the suction transfer roller and adsorbed on the suction transfer roller. As the suction transfer roller rotates, when the antibacterial composite sheet passes through the antibacterial composite sheet bonding roller, the antibacterial composite sheet is bonded to the strip after two spraying and rolling processes. After being cut by the fiber fabric strip cutting knife, the processing of the cool-feeling antibacterial composite nano protective fabric is completed.

[0065] The antibacterial tape cutting and bonding knife holder enables continuous cutting of antibacterial tape into sheets and rapid, continuous transfer and bonding of antibacterial composite sheets. This improves the continuity of the antibacterial composite sheet cutting and bonding process, increases fabric processing efficiency, and reduces fabric processing errors caused by installation errors between individual knife holders compared to existing single-knife-holder multi-process processing. It also ensures accurate bonding of the first double-sided adhesive to the edge of the first adhesive film, further guaranteeing the sealing of the seams of the finished fabric.

[0066] Traditional adhesive bonding processes are time-consuming, significantly reducing fabric production efficiency and prone to glue overflow. This invention uses solid first and second double-sided adhesives to avoid the impact of adhesive application on fabric production efficiency. Combined with rapidly rotating rollers, it enables rapid and continuous spraying, pressing, and cutting of the fabric strip. The first and second double-sided adhesives respectively seal the edges between the adhesive film and the fiber fabric strip, and between the adhesive film and the antibacterial strip, improving fabric production efficiency, preventing glue overflow during fabric processing, and enhancing the sealing of the fabric edges, thereby improving the waterproofness of outdoor wear.

[0067] During the process of transferring the antibacterial composite sheet, as the suction transfer roller rotates, the suction holes will disconnect from or connect with the suction groove, thereby realizing the intermittent adsorption of the antibacterial composite sheet by the suction transfer roller, and thus realizing the bonding of the antibacterial composite sheet from the suction transfer roller to the fiber fabric strip.

[0068] By spraying the fiber fabric strip on both sides using a spraying device, the cooling finishing agent is fully impregnated into the fiber fabric strip, significantly increasing the coverage area of ​​the cooling finishing agent on the fiber fabric strip. This results in garments made from the fabric having better cooling properties and durability, increasing the comfort of people wearing them outdoors in high temperatures. This invention uses solid first and second double-sided adhesives, combined with cutting and transfer processes, to seal the edges between the adhesive film and the antibacterial strip, and between the adhesive film and the fiber fabric strip. This prevents adhesive overflow during fabric processing, increases the sealing of the fabric's bonding edges, and thus improves the waterproofness of outdoor wear.

[0069] like Figure 1 and Figure 11 As shown in the figure, the preparation method of the equipment for producing cool-feeling antibacterial composite nano-protective fabric specifically includes the following steps: S1. The fiber fabric strip 2 passes between two first spray heads 5. The two first spray heads 5 spray the cooling finishing agent onto both sides of the fiber fabric strip 2. After the first spraying is completed, the fiber fabric strip 2 passes between two first rolling rollers 3. The two first rolling rollers 3 squeeze out the excess cooling finishing agent, thus completing the first spraying of the fiber fabric strip 2.

[0070] After the first spraying, the fiber fabric strip 2 is spread open by several expansion rollers 6. The second spray head 7 sprays the cooling finishing agent onto the spread fiber fabric strip 2. After the second spraying, the fiber fabric strip 2 passes between two second liquid rollers 4. The two second liquid rollers 4 squeeze out the excess cooling finishing agent, thus completing the second spraying of the fiber fabric strip 2. After the second spraying, the cooling finishing agent is fully impregnated onto the fiber fabric strip 2 and a cooling layer 41 is formed on both sides of the fiber fabric strip 2.

[0071] S2. The first double-sided adhesive tape 8 is cut and bonded to the top side of the fiber fabric strip 2 after two spraying and drying processes by the first cutting and bonding device.

[0072] During the process of cutting and bonding the first double-sided adhesive tape 8, after peeling off the first backing paper on both sides of the first double-sided adhesive tape 8, the first double-sided adhesive tape 8 and the first backing film pass through the first double-sided adhesive tape cutting knife seat 27 and pass through the two first double-sided adhesive tape traction rollers 38. The first backing film is bonded to the bottom side of the first double-sided adhesive tape 8. Then, through the first double-sided adhesive tape cutting knife roller 39 and the first double-sided adhesive tape cutting bottom roller 40, the first double-sided adhesive tape 8 is cut into a first double-sided adhesive frame 79 for sealing the edge between the fiber fabric strip 2 and the adhesive film 11. Then, the first double-sided adhesive frame 79 is bonded to the top side of the fiber fabric strip 2 by the first double-sided adhesive bonding knife seat 28.

[0073] S3. The second double-sided adhesive 9 is cut by the second cutting and bonding device, and the antibacterial material strip 10, the cut second double-sided adhesive 9 and the adhesive film 11 are bonded together in sequence.

[0074] During the process of cutting the second double-sided adhesive 9 and sequentially bonding the antibacterial strip 10, the cut second double-sided adhesive 9, and the adhesive film 11, after peeling off the second backing paper on both sides of the second double-sided adhesive 9, the second double-sided adhesive 9 and the second backing film pass through the first double-sided adhesive cutting knife seat 27 and through the two second double-sided adhesive traction rollers 47. The second backing film is bonded to the bottom side of the second double-sided adhesive 9. Then, through the second double-sided adhesive cutting knife roller 48 and the second double-sided adhesive cutting bottom roller 49, the second double-sided adhesive 9 is cut into a second double-sided adhesive frame 80 for sealing the edge between the antibacterial layer and the adhesive film 11. The second double-sided adhesive frame 80 is bonded to the antibacterial strip 10 through the second double-sided adhesive bonding knife seat 30, and then the adhesive film 11 is bonded to the second double-sided adhesive frame 80 through the adhesive film bonding knife seat 29.

[0075] S4. The antibacterial strip 10, which has completed step S3, passes between the antibacterial strip cutting roller 14 and the suction transfer roller 15. The antibacterial strip 10 is cut into an antibacterial composite sheet 13. The cut antibacterial composite sheet 13 is adsorbed onto the suction transfer roller 15 and rotates accordingly. At the same time, the fiber fabric strip 2, which has completed step S2, passes between the suction transfer roller 15 and the antibacterial composite sheet bonding roller 16. When the antibacterial composite sheet 13 passes through the antibacterial composite sheet bonding roller 16, the antibacterial composite sheet 13 is bonded to the fiber fabric strip 2. After bonding, the adhesive film 11 is adhered to the first double-sided adhesive 8.

[0076] After the fiber fabric strip 2 passes between the two first backing film peeling rollers 45, the first backing film is peeled off from the fiber fabric strip 2, and the first double-sided adhesive cutting waste is discharged together with the first backing film.

[0077] After the antibacterial strip 10 passes between the two second backing film peeling rollers 54, the second backing film is peeled off from the antibacterial strip 10, and the second double-sided adhesive cutting waste is discharged together with the second backing film.

[0078] S5. After the fiber fabric strip 2 is bonded to the antibacterial composite sheet 13, it passes through the fiber fabric strip cutting knife seat 17 and is cut into the required cool-feeling antibacterial composite nano protective fabric.

[0079] This invention uses an expansion roller to stretch the fiber fabric strip, allowing the cooling finishing agent to fully impregnate the fiber fabric strip. This method is highly efficient and provides a better impregnation effect for the cooling finishing agent, improving its washability. As a result, the finished garments sewn from the fabric have better cooling properties and durability, increasing the comfort of people wearing them outdoors in high temperatures.

[0080] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A spraying device for cooling and antibacterial composite nano-protective fabric, characterized in that, The spraying device is used to spread the fiber fabric strip and spray it with a cooling finishing agent. It includes two first spraying rollers and two second spraying rollers. Downstream of the two first spraying rollers, there are two first spray heads for initially spraying the cooling finishing agent onto both sides of the fiber fabric strip. Between the two first spraying rollers and the two second spraying rollers, there are several expansion rollers for spreading the fiber fabric strip after the first spraying. The several expansion rollers are connected to an expansion roller drive mechanism. Between two adjacent expansion rollers, there are second spray heads for spraying the fiber fabric strip a second time.

2. The spraying device for cooling antibacterial composite nano protective fabric according to claim 1, characterized in that, Several expansion rollers are circumferentially distributed on the outside of the expansion roller drive mechanism. The expansion rollers abut against the fiber fabric strip between the two first liquid rolling rollers and the two second liquid rolling rollers. The expansion roller drive mechanism drives the expansion rollers to slide radially onto the frame.

3. The spraying device for cooling antibacterial composite nano protective fabric according to claim 2, characterized in that, The expansion roller drive mechanism includes a drive screw rotatably mounted on the frame, a guide sleeve sleeved on the drive screw, the guide sleeve fixedly mounted on the frame, a sliding sleeve slidably mounted on the outer side of the guide sleeve, a nut threaded onto the drive screw, the nut being fixedly connected to the sliding sleeve, three sliding frames slidably mounted on the frame along the radial direction of the sliding sleeve, the three sliding frames being circumferentially distributed on the outer side of the sliding sleeve, and two pairs of connecting rods hinged between each sliding frame and the sliding sleeve, and three expansion rollers being provided and rotatably mounted on the corresponding sliding frames.

4. The spraying device for cooling antibacterial composite nano protective fabric according to claim 3, characterized in that, The spraying device also includes a drying box fixedly installed on the frame. The drying box is located between the two second liquid rolling rollers and the first cutting and bonding device. The drying box is connected to a hot air system, and the impregnated fiber fabric strip passes through the drying box.

5. The spraying device for cooling antibacterial composite nano protective fabric according to claim 4, characterized in that, The frame is provided with three sliding frame guide grooves, which are circumferentially arranged on the outside of the sliding sleeve. The end of each sliding frame near the frame is slidably installed in the corresponding sliding frame guide groove.

6. The spraying device for cooling antibacterial composite nano protective fabric according to claim 5, characterized in that, A lead screw drive motor is fixedly installed on the frame, and the lead screw drive motor is connected to the drive lead screw. Two rotating bearings are provided between the guide sleeve and the drive lead screw.

7. The spraying device for cooling antibacterial composite nano protective fabric according to claim 6, characterized in that, At least one sliding sleeve guide groove is provided on the outer peripheral surface of the guide sleeve along the axial direction, and at least one protrusion is provided on the inner peripheral surface of the sliding sleeve 20 along the axial direction, with each protrusion disposed in the corresponding sliding sleeve guide groove.

8. The spraying device for cooling antibacterial composite nano protective fabric according to claim 7, characterized in that, A first cutting and bonding device is used to cut the first double-sided adhesive and bond the cut first double-sided adhesive to the top side of the sprayed fiber fabric strip; the first cutting and bonding device includes a first double-sided adhesive cutting knife holder and a first double-sided adhesive bonding knife holder fixedly installed on the frame, the first double-sided adhesive cutting knife holder is disposed upstream of the first double-sided adhesive bonding knife holder, and the first double-sided adhesive cutting knife holder is provided with a first double-sided adhesive traction mechanism and a first double-sided adhesive cutting mechanism.

9. The spraying process of the cooling antibacterial composite nano protective fabric spraying device according to any one of claims 1-8, characterized in that, Specifically, the steps include the following: S1. The fiber fabric strip passes between two first spray heads. The two first spray heads spray the cooling finishing agent onto both sides of the fiber fabric strip. After the first spraying is completed, the fiber fabric strip passes between two first rolling rollers. The two first rolling rollers squeeze out the excess cooling finishing agent, thus completing the first spraying of the fiber fabric strip. S2. After the first spraying, the fiber fabric strip is spread open by several expansion rollers. The second spray head sprays the cooling finishing agent onto the spread fiber fabric strip. After the second spraying, the fiber fabric strip passes between two second rolling rollers. The two second rolling rollers squeeze out the excess cooling finishing agent, thus completing the second spraying of the fiber fabric strip. S3. After the second spraying is completed, the cooling finishing agent is fully impregnated into the fiber fabric strip and a cooling layer is formed on both sides of the fiber fabric strip.

10. The spraying process of the cooling antibacterial composite nano protective fabric spraying device according to claim 9, characterized in that, Also includes: S4. The first double-sided adhesive is cut and bonded to the top side of the fiber fabric strip after secondary spraying using the first cutting and bonding device.

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