Preparation device and preparation process of degradable environment-friendly composite non-woven fabric

Abstract

The application discloses a kind of degradable environment-friendly composite non-woven fabric preparation devices, including machine base, discharging mechanism, material receiving mechanism, horizontal smoothing mechanism, glue spraying mechanism and composite mechanism;Discharging mechanism is arranged at one end of machine base to be used to discharge non-woven fabric layer, first fabric layer and second fabric layer;Material receiving mechanism is arranged at the other end of machine base to provide traction and be discharged;Horizontal smoothing mechanism is arranged on the machine base, and horizontal smoothing mechanism is horizontally smoothed to non-woven fabric layer;Glue spraying mechanism is arranged on the machine base, and glue spraying mechanism is sprayed to the two sides of non-woven fabric layer, and composite mechanism is arranged on the machine base, and composite mechanism is compounded to form composite non-woven fabric to non-woven fabric layer, first fabric layer and second fabric layer.The application also discloses a kind of degradable environment-friendly composite non-woven fabric preparation process.The application can horizontally smooth non-woven fabric layer, thereby effectively reducing the wrinkling phenomenon of non-woven fabric layer, and facilitating the compounding with first fabric layer and second fabric layer.

Description

Technical Field

[0001] This invention relates to the field of nonwoven fabric preparation technology, and in particular to a biodegradable and environmentally friendly composite nonwoven fabric preparation device and process. Background Technology

[0002] Nonwoven fabric is a type of fabric that does not require spinning or weaving. Instead, fibers are bonded together directly using physical methods and then pressed together by heat. This breaks through the traditional textile principle and has the characteristics of fast production speed, low cost, wide application, and multiple raw material sources.

[0003] In the production of composite nonwoven fabrics, a first fabric layer is typically bonded to one side of the nonwoven fabric layer, and a second fabric layer is bonded to the other side to form a composite nonwoven fabric. Traditional lamination methods involve applying adhesive to both the top and bottom surfaces of the nonwoven fabric layer. However, during the lamination process, the nonwoven fabric layer may wrinkle during transport. When adhesive is applied to the wrinkled nonwoven fabric layer, the wrinkles are difficult to recover due to the adhesive's stickiness, thus affecting the proper lamination of the nonwoven fabric layer with the first and second fabric layers. In view of this, the inventors conducted in-depth research to address the aforementioned deficiencies in the prior art, resulting in this invention. Summary of the Invention

[0004] The present invention aims to at least partially solve one of the technical problems in the aforementioned technologies. Therefore, one objective of the present invention is to provide a biodegradable and environmentally friendly composite nonwoven fabric preparation device, which can horizontally smooth the nonwoven fabric layer, thereby effectively reducing wrinkling and facilitating its lamination with a first fabric layer and a second fabric layer.

[0005] The second objective of this invention is to propose a biodegradable and environmentally friendly composite nonwoven fabric preparation process.

[0006] To achieve the above objectives, the present invention provides a biodegradable and environmentally friendly composite nonwoven fabric preparation device, including a machine base, a feeding mechanism, a receiving mechanism, a horizontal smoothing mechanism, a glue spraying mechanism, and a composite mechanism.

[0007] The feeding mechanism is located at one end of the machine base to feed the nonwoven fabric layer, the first fabric layer, and the second fabric layer; the receiving mechanism is located at the other end of the machine base to provide traction for receiving the material; the leveling mechanism is located on the machine base to level the nonwoven fabric layer; the glue spraying mechanism is located on the machine base to spray glue onto both sides of the nonwoven fabric layer; and the laminating mechanism is located on the machine base to laminate the nonwoven fabric layer, the first fabric layer, and the second fabric layer to form a composite nonwoven fabric.

[0008] Furthermore, the feeding mechanism includes a feeding frame, a first feeding roller, a second feeding roller, and a third feeding roller. The first feeding roller is rotatably mounted on the feeding frame to feed the first fabric layer, the second feeding roller is rotatably mounted on the feeding frame to feed the second fabric layer, and the third feeding roller is rotatably mounted on the feeding frame to feed the nonwoven fabric layer. The third feeding roller is located between the first feeding roller and the second feeding roller.

[0009] Furthermore, the receiving mechanism includes a receiving frame, a receiving roller, and a traction assembly. The receiving roller is rotatably mounted on the receiving frame, and the traction assembly is connected to the receiving roller and drives the receiving roller to rotate.

[0010] Furthermore, the horizontal smoothing mechanism includes a frame, a lifting component, and a smoothing component. The lifting component is mounted on the frame, and the smoothing component is connected to the lifting component and driven by the lifting component to rise or fall. The smoothing component descends onto the non-woven fabric layer to smooth the non-woven fabric layer.

[0011] Furthermore, the lifting assembly includes a lifting cylinder and a lifting frame. The lifting cylinder is mounted on the frame, and the lifting frame is connected to the lifting cylinder and driven by the lifting cylinder to rise or fall. A leveling component is mounted on the lifting frame.

[0012] Furthermore, the lifting assembly also includes a lifting rod, which is connected to a lifting cylinder. A buffer spring is installed inside the lifting rod and is connected to the lifting frame.

[0013] Furthermore, the smoothing component includes a smoothing rod, an elastic smoothing head, a connecting rod, and a return spring. One end of the smoothing rod is rotatably mounted on the lifting frame, and the elastic smoothing head is mounted on the other end of the smoothing rod. There are two elastic smoothing heads. After the two elastic smoothing heads contact the non-woven fabric layer, they roll in opposite directions to smooth the non-woven fabric layer. The connecting rod is fixed to the side of the lifting frame, and one end of the return spring is connected to the connecting rod, while the other end of the return spring is connected to the smoothing rod.

[0014] Furthermore, the horizontal smoothing mechanism also includes a moving reciprocating component, which is mounted on the frame. The moving reciprocating component is connected to the lifting component and drives the lifting component to move along the conveying direction of the nonwoven fabric layer. The moving speed of the lifting component is the same as the moving speed of the nonwoven fabric layer.

[0015] Furthermore, the reciprocating assembly includes a mounting base, a connecting base, a moving motor, a gear, and a rack. The mounting base is fixed on the frame, the connecting base is movably mounted on the mounting base, a lifting assembly is mounted on the connecting base, the moving motor is mounted on the connecting base, the gear is connected to the moving motor and driven to rotate by the moving motor, and the rack is fixed on the mounting base and meshes with the gear.

[0016] Furthermore, the horizontal smoothing mechanism includes a front horizontal smoothing mechanism and a rear horizontal smoothing mechanism. The front horizontal smoothing mechanism smooths a portion of the nonwoven fabric layer, while the rear horizontal smoothing mechanism smooths the remaining portion of the nonwoven fabric layer.

[0017] Furthermore, the machine base is equipped with multiple guide rollers for guiding the first fabric layer and the second fabric layer.

[0018] Furthermore, a tension adjustment mechanism is provided on the base for tightening the first fabric layer and the second fabric layer.

[0019] Furthermore, the tension adjustment mechanism includes a knob, an eccentric wheel, a tensioning seat, a tensioning roller, a first tensioning rod, a second tensioning rod, and a tensioning elastic band. The knob is rotatably mounted on the machine base. The eccentric wheel is connected to the knob and is driven to rotate by the knob. One end of the tensioning seat is rotatably mounted on the machine base, and the tensioning roller is rotatably mounted on the other end of the tensioning seat. The first tensioning rod is mounted on the tensioning seat, and the second tensioning rod is mounted on the machine base. The tensioning elastic band connects the first tensioning rod and the second tensioning rod so that the side of the tensioning seat is tightly pressed against the eccentric wheel.

[0020] Furthermore, a pressing mechanism is provided on the machine base for further pressing the composite nonwoven fabric.

[0021] Furthermore, the pressing mechanism includes a pressing seat, a connecting sleeve, a guide rod, a connecting plate, a compression spring, a mounting plate, and a pressing roller. The pressing seat is fixed on the machine base, the connecting sleeve is fixed on the pressing seat, the guide rod is telescopically mounted on the connecting sleeve, the connecting plate is fixed on the guide rod, the compression spring is sleeved on the guide rod and is located between the pressing seat and the connecting plate, the mounting plate is located at the end of the guide rod, and the pressing roller is rotatably mounted on the mounting plate.

[0022] Furthermore, a first washer and a second washer are provided on the guide rod, and a compression spring is located between the first washer and the second washer.

[0023] Furthermore, both the connecting sleeve and the guide rod are configured in pairs.

[0024] Furthermore, a cooling mechanism is provided on the machine base for rapidly cooling the composite nonwoven fabric.

[0025] Furthermore, the cooling mechanism includes a cooling frame, a cooling rotating rod, a cooling seat, and a connecting nozzle. The cooling frame is rotatably mounted on the base, the cooling rotating rod is rotatably mounted on the cooling frame, the cooling rotating rod includes a mounting surface, the cooling seat is mounted on the mounting surface of the cooling rotating rod, and the connecting nozzle is mounted on the cooling seat. The connecting nozzle is used to connect to a cold air source.

[0026] Furthermore, the cooling rack includes a base plate, a first side plate, and a second side plate. The base plate is rotatably mounted on the machine base. One end of the first side plate is fixedly connected to one end of the base plate, and the other end of the first side plate is rotatably connected to one end of the cooling rotating rod. One end of the second side plate is fixedly connected to the other end of the base plate, and the other end of the second side plate is rotatably connected to the other end of the cooling rotating rod.

[0027] Furthermore, the cooling base includes a horizontal plate connected to the mounting plane and a vertical plate for fixing the connecting nozzle.

[0028] Furthermore, the connector is connected to the air box and provides gas into the air box. The air box is provided with multiple air holes so that the cooling gas can be sprayed onto the composite nonwoven fabric.

[0029] Furthermore, an arc-shaped baffle is installed inside the air box, and perforations are provided on the arc-shaped baffle.

[0030] Furthermore, an adjustment plate is movably installed on the outside of the air box, and an adjustment hole is provided on the adjustment plate. The adjustment hole can be moved to block part of the air hole to adjust the air output.

[0031] Furthermore, the glue spraying mechanism includes an upper glue spraying mechanism for spraying glue onto the upper side of the nonwoven fabric layer and a lower glue spraying mechanism for spraying glue onto the lower side of the nonwoven fabric layer.

[0032] Furthermore, the compounding mechanism includes an upper compounding roller, a lower compounding roller, and a rotating motor. The rotating motor is connected to the upper and lower compounding rollers and drives them to rotate.

[0033] Furthermore, heating mechanisms are provided inside the upper and lower composite rollers to heat the surfaces of the upper and lower composite rollers.

[0034] To achieve the above objectives, a second aspect of the present invention provides a process for preparing a biodegradable and environmentally friendly composite nonwoven fabric, comprising the following steps:

[0035] S1, connecting the material roller having a first fabric layer, a second fabric layer and a non-woven fabric layer to the feeding mechanism;

[0036] S2, the first fabric layer, the second fabric layer and the non-woven fabric layer pass through the machine base and are connected to the take-up mechanism. The take-up mechanism is started to move the first fabric layer, the second fabric layer and the non-woven fabric layer.

[0037] S3, activate the horizontal smoothing mechanism to smooth the non-woven fabric layer;

[0038] S4, start the glue spraying mechanism, which will spray glue onto the upper and lower surfaces of the smoothed non-woven fabric layer.

[0039] S5, start the composite mechanism, which presses together the first fabric layer, the second fabric layer and the non-woven fabric layer.

[0040] With the above structure, the biodegradable and environmentally friendly composite nonwoven fabric preparation device of the present invention has at least the following beneficial effects:

[0041] During use, the receiving mechanism provides traction so that the feeding mechanism feeds the nonwoven fabric layer, the first fabric layer, and the second fabric layer. During the movement of the nonwoven fabric layer, the horizontal smoothing mechanism smooths the nonwoven fabric layer, thereby effectively reducing wrinkling. After smoothing the nonwoven fabric layer, the glue spraying mechanism sprays glue onto the upper and lower surfaces of the nonwoven fabric layer, so that both the upper and lower surfaces of the nonwoven fabric layer are covered with glue. Finally, the laminating mechanism presses the first fabric layer, the second fabric layer, and the nonwoven fabric layer together to form a composite nonwoven fabric.

[0042] Compared with the prior art, the present invention can achieve horizontal smoothing of the non-woven fabric layer by setting a horizontal smoothing mechanism, thereby effectively reducing the wrinkling phenomenon of the non-woven fabric layer and facilitating its lamination with the first fabric layer and the second fabric layer. Attached Figure Description

[0043] Figure 1 This is a schematic diagram of the biodegradable and environmentally friendly composite nonwoven fabric preparation device according to an embodiment of the present invention;

[0044] Figure 2 This is a schematic diagram of the internal structure of a biodegradable and environmentally friendly composite nonwoven fabric preparation device according to an embodiment of the present invention.

[0045] Figure 3 This is a schematic diagram of the structure of the horizontal smoothing mechanism according to an embodiment of the present invention;

[0046] Figure 4 This is a schematic diagram of the structure of a mobile reciprocating component according to an embodiment of the present invention;

[0047] Figure 5 This is a schematic diagram of the structure of the nonwoven fabric layer after being smoothed by the front horizontal smoothing mechanism and the rear horizontal smoothing mechanism according to an embodiment of the present invention.

[0048] Figure 6 This is a schematic diagram of the tension adjustment mechanism according to an embodiment of the present invention;

[0049] Figure 7 This is a schematic diagram of the pressing mechanism according to an embodiment of the present invention;

[0050] Figure 8 This is a schematic diagram of the cooling mechanism according to an embodiment of the present invention;

[0051] Figure 9 This is a schematic diagram of the air box of the cooling mechanism according to an embodiment of the present invention.

[0052] Label Explanation

[0053] Machine base 1, guide roller 11, feeding mechanism 2, feeding frame 21, first feeding roller 22, second feeding roller 23, third feeding roller 24, receiving mechanism 3, receiving frame 31, receiving roller 32, horizontal smoothing mechanism 4, frame 41, lifting assembly 42, lifting cylinder 421, lifting frame 422, lifting rod 423, buffer spring 424, smoothing assembly 43, smoothing rod 431, elastic smoothing head 432, connecting rod 433, return spring 434, moving reciprocating assembly 44, mounting base 441, connecting base 442, moving motor 443, gear 444, rack 445, front horizontal smoothing mechanism 4a, rear horizontal smoothing mechanism 4b, glue spraying mechanism 5, upper glue spraying mechanism 51, lower glue spraying mechanism 52, laminating mechanism 6, upper laminating roller 61, lower laminating roller 62, tension adjustment Mechanism 7, Knob 71, Eccentric wheel 72, Tensioning seat 73, Tensioning roller 74, First tensioning rod 75, Second tensioning rod 76, Tensioning elastic band 77, Pressing mechanism 8, Pressing seat 81, Connecting sleeve 82, Guide rod 83, First gasket 831, Second gasket 832, Connecting plate 84, Compression spring 85, Mounting plate 86, Pressing roller 87, Cooling mechanism 9, Cooling rack 91, Base plate 911, First side plate 912, Second side plate 913, Cooling rotating rod 92, Mounting plane 921, Cooling seat 93, Horizontal plate 931, Vertical plate 932, Connecting nozzle 94, Air box 95, Air hole 951, Arc baffle 952, Perforation 9521, Adjusting plate 96, Adjusting hole 961, Non-woven fabric layer 10, First fabric layer 20, Second fabric layer 30, Composite non-woven fabric 40. Detailed Implementation

[0054] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0055] like Figures 1 to 9 As shown, a biodegradable and environmentally friendly composite nonwoven fabric preparation device of the present invention includes a base 1, a feeding mechanism 2, a receiving mechanism 3, a horizontal smoothing mechanism 4, a glue spraying mechanism 5, and a composite mechanism 6. The feeding mechanism 2 is disposed at one end of the base 1 for feeding the nonwoven fabric layer 10, the first fabric layer 20, and the second fabric layer 30. The receiving mechanism 3 is disposed at the other end of the base 1 to provide traction force for receiving the materials. The horizontal smoothing mechanism 4 is disposed on the base 1 and smooths the nonwoven fabric layer 10 horizontally. The glue spraying mechanism 5 is disposed on the base 1 and sprays glue onto both sides of the nonwoven fabric layer 10. The composite mechanism 6 is disposed on the base 1 and composites the nonwoven fabric layer 10, the first fabric layer 20, and the second fabric layer 30 to form a composite nonwoven fabric 40.

[0056] Thus, the biodegradable and environmentally friendly composite nonwoven fabric preparation device of the present invention, in use, the receiving mechanism 3 provides traction force so that the feeding mechanism 2 feeds the nonwoven fabric layer 10, the first fabric layer 20 and the second fabric layer 30. During the movement of the nonwoven fabric layer 10, the horizontal smoothing mechanism 4 smooths the nonwoven fabric layer 10, thereby effectively reducing the wrinkling phenomenon of the nonwoven fabric layer 10. After smoothing the nonwoven fabric layer 10, the glue spraying mechanism 5 sprays glue onto the upper and lower surfaces of the nonwoven fabric layer 10 so that both the upper and lower surfaces of the nonwoven fabric layer 10 are covered with glue. Finally, the composite mechanism 6 presses the first fabric layer 20, the second fabric layer 30 and the nonwoven fabric layer 10 together to form a composite nonwoven fabric 40.

[0057] Optionally, the feeding mechanism 2 includes a feeding frame 21, a first feeding roller 22, a second feeding roller 23, and a third feeding roller 24. The first feeding roller 22 is rotatably mounted on the feeding frame 21 to feed the first fabric layer 20, the second feeding roller 23 is rotatably mounted on the feeding frame 21 to feed the second fabric layer 30, and the third feeding roller 24 is rotatably mounted on the feeding frame 21 to feed the nonwoven fabric layer 10. The third feeding roller 24 is located between the first feeding roller 22 and the second feeding roller 23.

[0058] In use, a material roller with a first fabric layer 20 is mounted on a first feed roller 22 so that the first feed roller 22 rotates and moves the first fabric layer 20. A material roller with a second fabric layer 30 is mounted on a second feed roller 23 so that the second feed roller 23 rotates and moves the second fabric layer 30. A material roller with a nonwoven fabric layer 10 is mounted on a third feed roller 24 so that the third feed roller 24 rotates and moves the nonwoven fabric layer 10. The first fabric layer 20, the second fabric layer 30 and the nonwoven fabric layer 10 move under the action of the take-up mechanism 3 to facilitate lamination.

[0059] The receiving mechanism 3 in this example includes a receiving frame 31, a receiving roller 32, and a traction assembly. The receiving roller 32 is rotatably mounted on the receiving frame 31. The traction assembly is connected to the receiving roller 32 and drives the receiving roller 32 to rotate. In use, the traction assembly drives the receiving roller 32 to rotate, which in turn moves the first fabric layer 20, the second fabric layer 30, and the third fabric layer, making it easier to laminate the first fabric layer 20, the second fabric layer 30, and the nonwoven fabric layer 10. Preferably, the traction assembly is a traction motor.

[0060] As an example, the horizontal smoothing mechanism 4 includes a frame 41, a lifting assembly 42, and a smoothing assembly 43. The lifting assembly 42 is mounted on the frame 41. The smoothing assembly 43 is connected to the lifting assembly 42 and is driven to rise or fall by the lifting assembly 42. The smoothing assembly 43 descends onto the non-woven fabric layer 10 to smooth it. During smoothing, the lifting assembly 42 drives the smoothing assembly 43 to descend, so that the smoothing assembly 43 approaches and contacts the non-woven fabric layer 10, thereby facilitating the smoothing of the non-woven fabric layer 10 and reducing wrinkling.

[0061] Specifically, the lifting assembly 42 includes a lifting cylinder 421 and a lifting frame 422. The lifting cylinder 421 is mounted on the frame 41, and the lifting frame 422 is connected to the lifting cylinder 421 and is driven to rise or fall by the lifting cylinder 421. A smoothing assembly 43 is mounted on the lifting frame 422. During lifting, the lifting cylinder 421 drives the lifting frame 422 to rise or fall, and the rise or fall of the lifting frame 422 drives the smoothing assembly 43 to rise or fall synchronously, thereby facilitating the smoothing of the nonwoven fabric layer 10.

[0062] Furthermore, the lifting assembly 42 also includes a lifting rod 423, which is connected to the lifting cylinder 421. A buffer spring 424 is installed inside the lifting rod 423 and is connected to the lifting frame 422. That is, when the smoothing assembly 43 is raised or lowered, the buffer spring 424 acts as a buffer during the contact between the smoothing assembly 43 and the non-woven fabric layer 10, reducing the damage caused to the non-woven fabric layer 10 by the smoothing assembly 43 during smoothing.

[0063] The smoothing component 43 in this example includes a smoothing rod 431, an elastic smoothing head 432, a connecting rod 433, and a return spring 434. One end of the smoothing rod 431 is rotatably mounted on the lifting frame 422. The elastic smoothing head 432 is fixed to the other end of the smoothing rod 431. There are two elastic smoothing heads 432. After the two elastic smoothing heads 432 contact the non-woven fabric layer 10, they roll in opposite directions to smooth the non-woven fabric layer 10. The connecting rod 433 is fixed to the side of the lifting frame 422. One end of the return spring 434 is connected to the connecting rod 433, and the other end of the return spring 434 is connected to the smoothing rod 431.

[0064] During the smoothing process, as the lifting frame 422 moves downward, the elastic smoothing heads 432 located at the ends of the smoothing rods 431 abut against the non-woven fabric layer 10. The lifting frame 422 continues to move downward, causing the two elastic smoothing heads 432 on the two smoothing rods 431 to move in opposite directions, thus increasing the distance between them. This smooths the non-woven fabric layer 10 and reduces wrinkling. After smoothing is complete, the lifting cylinder 421 drives the lifting frame 422 upward. Under the action of the return spring 434, the two elastic smoothing heads 432 move towards each other, reducing the distance between them and facilitating the next smoothing operation. The elastic smoothing heads 432 can be rollers, so that as they move, the rollers roll along the surface of the non-woven fabric layer 10 to smooth it. In this example, one end of the reset spring 434 is rotatably mounted on the connecting rod 433, and the other end of the reset spring 434 is rotatably mounted on the smoothing rod 431. When the lifting frame 422 moves down, the reset spring 434 is compressed, and when the lifting frame 422 rises, the reset spring 434 returns to its initial state.

[0065] In some examples, the horizontal smoothing mechanism 4 also includes a reciprocating assembly 44, which is mounted on the frame 41. The reciprocating assembly 44 is connected to the lifting assembly 42 and drives the lifting assembly 42 to move along the conveying direction of the nonwoven fabric layer 10. The moving speed of the lifting assembly 42 is the same as the moving speed of the nonwoven fabric layer 10. That is, by setting the reciprocating assembly 44, the nonwoven fabric layer 10 can be smoothed during the movement. Since the moving speed of the lifting assembly 42 is the same as the moving speed of the nonwoven fabric layer 10, it is convenient for the smoothing assembly 43 to smooth the nonwoven fabric layer 10.

[0066] Specifically, the reciprocating assembly 44 includes a mounting base 441, a connecting base 442, a moving motor 443, a gear 444, and a rack 445. The mounting base 441 is fixed on the frame 41. The connecting base 442 is movably mounted on the mounting base 441 and a lifting assembly 42 is mounted on the connecting base 442. The moving motor 443 is mounted on the connecting base 442. The gear 444 is connected to the moving motor 443 and is driven to rotate by the moving motor 443. The rack 445 is fixed on the mounting base 441 and meshes with the gear 444.

[0067] During movement, the moving motor 443 drives the gear 444 to rotate. Since the gear 444 meshes with the rack 445, and the rack 445 is fixed on the mounting base 441, the rotation of the gear 444 drives the connecting base 442 to move along the mounting base 441. The movement of the connecting base 442 drives the lifting component 42 to move synchronously, thereby realizing the movement of the lifting component 42. The moving speed of the lifting component 42 can be made consistent with the moving speed of the nonwoven fabric layer 10, which facilitates the smoothing component 43 to smooth the nonwoven fabric layer 10.

[0068] After smoothing is completed, the smoothing component 43 rises and the moving motor 443 rotates in the opposite direction, so that the smoothing component 43 can return to its initial state and can carry out the next smoothing operation.

[0069] In some examples, such as Figure 2 As shown, the horizontal smoothing mechanism 4 includes a front horizontal smoothing mechanism 4a and a rear horizontal smoothing mechanism 4b. The front horizontal smoothing mechanism 4a smooths a portion of the nonwoven fabric layer 10, and the rear horizontal smoothing mechanism smooths the remaining portion of the nonwoven fabric layer 10. Figure 5 As shown, in a nonwoven fabric layer 10, portions x1, x2, and x3 are smoothed by the front horizontal smoothing mechanism 4a, while portions y1, y2, and y3 are smoothed by the rear horizontal smoothing mechanism 4b. This achieves smoothing of the entire nonwoven fabric layer 10 without stopping it, resulting in high overall smoothing efficiency. Traditional smoothing devices require stopping the nonwoven fabric layer 10 before smoothing, leading to low smoothing efficiency.

[0070] In some examples, the base 1 is provided with multiple guide rollers 11 for guiding the first fabric layer 20 and the second fabric layer 30. By setting the guide rollers 11, the first fabric layer 20 and the second fabric layer 30 are turned, which facilitates the lamination of the first fabric layer 20 and the second fabric layer 30 with the nonwoven fabric layer 10.

[0071] like Figure 2 and Figure 6 As shown, in this example, the base 1 is equipped with a tension adjustment mechanism 7 for tightening the first fabric layer 20 and the second fabric layer 30. By setting the tension adjustment mechanism 7, when the first fabric layer 20 and the second fabric layer 30 become loose, they can be smoothed out to prevent wrinkles from forming, thus facilitating the effective lamination of the first fabric layer 20 and the second fabric layer 30 with the nonwoven fabric layer 10.

[0072] The tension adjustment mechanism 7 includes a knob 71, an eccentric wheel 72, a tensioning seat 73, a tensioning roller 74, a first tensioning rod 75, a second tensioning rod 76, and a tensioning elastic band 77. The knob 71 is rotatably mounted on the base 1. The eccentric wheel 72 is connected to the knob 71 and is driven to rotate by the knob 71. One end of the tensioning seat 73 is rotatably mounted on the base 1. The tensioning roller 74 is rotatably mounted on the other end of the tensioning seat 73. The first tensioning rod 75 is mounted on the tensioning seat 73. The second tensioning rod 76 is mounted on the base 1. The tensioning elastic band 77 connects the first tensioning rod 75 and the second tensioning rod 76 so that the side of the tensioning seat 73 is tightly pressed against the eccentric wheel 72.

[0073] Since the tensioning elastic band 77 connects the first tensioning rod 75 and the second tensioning rod 76, the tensioning elastic band 77 provides tension to make the side of the tensioning seat 73 tightly abut against the eccentric wheel 72. When adjusting the tension of the first fabric layer 20 and the second fabric layer 30, if the first fabric layer 20 and the second fabric layer 30 become loose, the knob 71 can be turned. The rotation of the knob 71 drives the eccentric wheel 72 to rotate synchronously. The rotation of the eccentric wheel 72 causes the tensioning seat 73 to rotate. Under the action of the tensioning elastic band 77, the first tensioning rod 75 and the second tensioning rod 76 move closer to each other, thereby causing the tensioning roller 74 to shift, thus adjusting the tension of the first fabric layer 20 and the second fabric layer 30. After adjustment, the knob 71 can be fixed on the machine base 1 to prevent the knob 71 from rotating under the action of the tensioning elastic band 77.

[0074] In some examples, such as Figure 2 and Figure 7 As shown, a pressing mechanism 8 is provided on the base 1 for further pressing the composite nonwoven fabric 40. By providing the pressing mechanism 8, it is easier to further press the composite nonwoven fabric 40, thereby further improving the connection strength between the first fabric layer 20 and the second fabric layer 30 and the nonwoven fabric layer 10.

[0075] The pressing mechanism 8 includes a pressing seat 81, a connecting sleeve 82, a guide rod 83, a connecting plate 84, a compression spring 85, a mounting plate 86, and a pressing roller 87. The pressing seat 81 is fixed to the machine base 1, the connecting sleeve 82 is fixed to the pressing seat 81, the guide rod 83 is telescopically mounted on the connecting sleeve 82, the connecting plate 84 is fixed to the guide rod 83, the compression spring 85 is sleeved on the guide rod 83 and is located between the pressing seat 81 and the connecting plate 84, the mounting plate 86 is located at the end of the guide rod 83, and the pressing roller 87 is rotatably mounted on the mounting plate 86. In use, the pressing roller 87 moves along the surface of the composite nonwoven fabric 40. The compression spring 85 provides downward pressure to the pressing roller 87, ensuring it presses firmly against the composite nonwoven fabric 40. Furthermore, the compression spring 85 allows for pressing of composite nonwoven fabrics 40 of different thicknesses, offering strong versatility.

[0076] In this example, a first washer 831 and a second washer 832 are provided on the guide rod 83. The compression spring 85 is located between the first washer 831 and the second washer 832. In use, one end of the compression spring 85 abuts against the connecting sleeve 82 through the first washer 831, and the other end of the compression spring 85 abuts against the connecting plate 84 through the second washer 832, so as to prevent the compression spring 85 from directly contacting the connecting sleeve 82 or the connecting plate 84 and damaging the connecting sleeve 82 or the connecting plate 84.

[0077] The connecting sleeve 82 and the guide rod 83 are both set in pairs, so that the lower pressure roller 87 can stably press the composite nonwoven fabric 40, and the overall structure is stable.

[0078] like Figure 2 , Figure 8 and Figure 9 As shown, in some examples, the base 1 is provided with a cooling mechanism 9 for rapidly cooling the composite nonwoven fabric 40. By providing the cooling mechanism 9 to cool the composite nonwoven fabric 40, the bonding strength between the first fabric layer 20 and the second fabric layer 30 and the nonwoven fabric layer 10 is further improved.

[0079] The cooling mechanism 9 includes a cooling frame 91, a cooling rotating rod 92, a cooling seat 93, and a connecting nozzle 94. The cooling frame 91 is rotatably mounted on the base 1, and the cooling rotating rod 92 is rotatably mounted on the cooling frame 91. The cooling rotating rod 92 includes a mounting surface 921. The cooling seat 93 is mounted on the mounting surface 921 of the cooling rotating rod 92, and the connecting nozzle 94 is mounted on the cooling seat 93. The connecting nozzle 94 is used to connect to a cold air source.

[0080] During the cooling process, after the connecting nozzle 94 is connected to the cold air source, the cold air is sprayed onto the composite nonwoven fabric 40 through the connecting nozzle 94, thereby facilitating the cooling of the composite nonwoven fabric 40. When it is necessary to adjust the direction of the cold air, the cooling frame 91 can be rotated, and the cooling rotating rod 92 can also be rotated to adjust the connecting nozzle 94 to a suitable position, thereby improving the cooling effect.

[0081] Furthermore, the cooling rack 91 includes a base plate 911, a first side plate 912, and a second side plate 913. The base plate 911 is rotatably mounted on the base 1. One end of the first side plate 912 is fixedly connected to one end of the base plate 911, and the other end of the first side plate 912 is rotatably connected to one end of the cooling rotating rod 92. One end of the second side plate 912 is fixedly connected to the other end of the base plate 911, and the other end of the second side plate 912 is rotatably connected to the other end of the cooling rotating rod 92. This allows the cooling rack 91 to rotate along the base 1, and the cooling rotating rod 92 to rotate along the first side plate 912 and the second side plate 913, facilitating the adjustment of the connecting nozzle 94 to a suitable position and improving the cooling effect. The cooling base 93 includes a horizontal plate 931 connected to the mounting plane 921 and a vertical plate 932 for fixing the connecting nozzle 94.

[0082] As an example, the connecting nozzle 94 is connected to the air box 95 and provides gas into the air box 95. The air box 95 is provided with multiple air holes 951 so that cooling gas can be sprayed onto the composite nonwoven fabric 40. By setting up the air box 95, the air box 95 has a large number of cold air sources. The large number of cold air sources are sprayed onto the nonwoven fabric layer 10 through the air holes 951, so that the overall blowing range is large, which facilitates the rapid cooling of a large area of ​​the composite nonwoven fabric 40.

[0083] In this example, an arc-shaped baffle 952 is installed inside the air box 95, and a perforation 9521 is provided on the arc-shaped baffle 952. The arc-shaped baffle 952 is located in front of the connecting nozzle 94. By setting the arc-shaped baffle 952, when the cold air blown from the air nozzle to the air box 95, part of the cold air moves to both sides of the air box 95 and is finally sprayed out from the air holes 951 on different sides, while the other part of the cold air passes through the perforation 9521 and is sprayed out from the air hole 951 in the middle. This makes the cold air sprayed out of the air box 95 more evenly, so that the cold air is sprayed more evenly onto the surface of the composite nonwoven fabric 40.

[0084] In some examples, an adjustment plate 96 is movably mounted on the outside of the air box 95. The adjustment plate 96 has an adjustment hole 961. The adjustment hole 961 can be moved to block part of the air hole 951 to adjust the air output. By setting the adjustment plate 96 and moving the adjustment plate 96 to block the air hole 951, the air output can be effectively adjusted. Different air outputs can be adjusted according to different composite nonwoven fabrics 40, making it highly versatile.

[0085] In some examples, such as Figure 2 As shown, the glue spraying mechanism 5 includes an upper glue spraying mechanism 51 for spraying glue onto the upper side of the nonwoven fabric layer 10 and a lower glue spraying mechanism 52 for spraying glue onto the lower side of the nonwoven fabric layer 10. By setting the upper glue spraying mechanism 51 and the lower glue spraying mechanism 52, glue can be sprayed onto the upper and lower surfaces of the nonwoven fabric layer 10, which facilitates connection with the first fabric layer 20 and the second fabric layer 30.

[0086] The composite mechanism 6 in this example includes an upper composite roller 61, a lower composite roller 62, and a rotating motor. The rotating motor is connected to and drives the upper and lower composite rollers 61 and 62 to rotate. The rotation of the upper and lower composite rollers 61 and 62 connects the nonwoven fabric layer 10 to the first fabric layer 20 and the second fabric layer 30. Heating mechanisms are provided inside the upper and lower composite rollers 61 and 62 to generate heat on their surfaces. This allows for heat pressing of the nonwoven fabric layer 10 with the first and second fabric layers 20 and 30, resulting in a good bonding effect.

[0087] To achieve the above objectives, a second aspect of the present invention provides a process for preparing a biodegradable and environmentally friendly composite nonwoven fabric, comprising the following steps:

[0088] S1, the material roller having the first fabric layer 20, the second fabric layer 30 and the non-woven fabric layer 10 is connected to the feeding mechanism 2;

[0089] S2, the first fabric layer 20, the second fabric layer 30 and the non-woven fabric layer 10 pass through the base 1 and are connected to the receiving mechanism 3. The receiving mechanism 3 is started to move the first fabric layer 20, the second fabric layer 30 and the non-woven fabric layer 10.

[0090] S3, start the horizontal smoothing mechanism 4 to smooth the non-woven fabric layer 10; S4, start the glue spraying mechanism 5 to spray glue on the upper and lower surfaces of the smoothed non-woven fabric layer 10; S5, start the laminating mechanism 6 to press the first fabric layer 20, the second fabric layer 30 and the non-woven fabric layer 10 together.

[0091] During use, the receiving mechanism 3 provides traction force so that the feeding mechanism 2 feeds the nonwoven fabric layer 10, the first fabric layer 20, and the second fabric layer 30. During the movement of the nonwoven fabric layer 10, the horizontal smoothing mechanism 4 smooths the nonwoven fabric layer 10, thereby effectively reducing the wrinkling phenomenon of the nonwoven fabric layer 10. After smoothing the nonwoven fabric layer 10, the glue spraying mechanism 5 sprays glue onto the upper and lower surfaces of the nonwoven fabric layer 10, so that both the upper and lower surfaces of the nonwoven fabric layer 10 are covered with glue. Finally, the composite mechanism 6 presses the first fabric layer 20, the second fabric layer 30, and the nonwoven fabric layer 10 together to form a composite nonwoven fabric 40.

[0092] Compared with the prior art, the present invention can achieve horizontal smoothing of the non-woven fabric layer 10 by setting a horizontal smoothing mechanism 4, thereby effectively reducing the wrinkling phenomenon of the non-woven fabric layer 10 and facilitating its lamination with the first fabric layer 20 and the second fabric layer 30.

[0093] The above embodiments and figures are not intended to limit the product form and style of the present invention. Any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of the present invention.

Claims

1. A biodegradable and environmentally friendly composite nonwoven fabric preparation device, characterized in that: It includes a base, a feeding mechanism, a receiving mechanism, a leveling mechanism, a glue spraying mechanism, and a laminating mechanism; The feeding mechanism is located at one end of the machine base to feed the nonwoven fabric layer, the first fabric layer, and the second fabric layer; the taking-up mechanism is located at the other end of the machine base to provide traction for taking up the material; the leveling mechanism is located on the machine base to level the nonwoven fabric layer; the glue spraying mechanism is located on the machine base to spray glue onto both sides of the nonwoven fabric layer; and the laminating mechanism is located on the machine base to laminate the nonwoven fabric layer, the first fabric layer, and the second fabric layer to form a composite nonwoven fabric. The horizontal smoothing mechanism includes a frame, a lifting assembly, a smoothing assembly, and a moving reciprocating assembly. The lifting assembly is mounted on the frame. The moving reciprocating assembly is mounted on the frame. The smoothing assembly includes a smoothing rod, an elastic smoothing head, a connecting rod, and a return spring. The smoothing assembly is connected to the lifting assembly and is driven to rise or fall by the lifting assembly. The smoothing assembly descends onto the non-woven fabric layer to smooth it. The moving reciprocating assembly is connected to the lifting assembly and drives the lifting assembly to move along the conveying direction of the non-woven fabric layer. The moving speed of the lifting assembly is the same as the moving speed of the non-woven fabric layer. A cooling mechanism for rapidly cooling the composite nonwoven fabric is installed on the machine base. The cooling mechanism includes a cooling frame, a cooling rotating rod, a cooling seat, a connecting nozzle, and an air box. The cooling frame is rotatably mounted on the machine base, and the cooling rotating rod is rotatably mounted on the cooling frame. The cooling rotating rod includes a mounting surface. The cooling seat is mounted on the mounting surface of the cooling rotating rod, and the connecting nozzle is mounted on the cooling seat. The connecting nozzle is used to connect to a cold air source. The connecting nozzle is connected to the air box and provides gas into the air box. An arc-shaped baffle is installed inside the air box, and perforations are provided on the arc-shaped baffle.

2. The biodegradable and environmentally friendly composite nonwoven fabric preparation device as described in claim 1, characterized in that: The feeding mechanism includes a feeding frame, a first feeding roller, a second feeding roller, and a third feeding roller. The first feeding roller is rotatably mounted on the feeding frame to feed the first fabric layer. The second feeding roller is rotatably mounted on the feeding frame to feed the second fabric layer. The third feeding roller is rotatably mounted on the feeding frame to feed the nonwoven fabric layer. The third feeding roller is located between the first feeding roller and the second feeding roller.

3. The biodegradable and environmentally friendly composite nonwoven fabric preparation device as described in claim 2, characterized in that: The receiving mechanism includes a receiving frame, a receiving roller, and a traction component. The receiving roller is rotatably mounted on the receiving frame, and the traction component is connected to the receiving roller and drives the receiving roller to rotate.

4. The biodegradable and environmentally friendly composite nonwoven fabric preparation device as described in claim 1, characterized in that: The lifting assembly includes a lifting cylinder and a lifting frame. The lifting cylinder is mounted on the frame, and the lifting frame is connected to the lifting cylinder and driven by the lifting cylinder to rise or fall. A leveling component is mounted on the lifting frame. The lifting assembly also includes a lifting rod, which is connected to the lifting cylinder. A buffer spring is installed inside the lifting rod, and the buffer spring is connected to the lifting frame.

5. The biodegradable and environmentally friendly composite nonwoven fabric preparation device as described in claim 4, characterized in that: Two elastic smoothing heads are provided. After contacting the non-woven fabric layer, the two elastic smoothing heads roll in opposite directions to smooth the non-woven fabric layer. One end of the smoothing rod is rotatably mounted on the lifting frame, and the elastic smoothing head is mounted on the other end of the smoothing rod. The connecting rod is fixed to the side of the lifting frame. One end of the return spring is connected to the connecting rod, and the other end of the return spring is connected to the smoothing rod.

6. The biodegradable and environmentally friendly composite nonwoven fabric preparation device as described in claim 1, characterized in that: The machine base is equipped with multiple guide rollers for guiding the first and second fabric layers; the machine base is also equipped with a tension adjustment mechanism for tightening the first and second fabric layers; the tension adjustment mechanism includes a knob, an eccentric wheel, a tensioning seat, a tensioning roller, a first tensioning rod, a second tensioning rod, and a tensioning elastic band; the knob is rotatably mounted on the machine base, the eccentric wheel is connected to the knob and driven to rotate by the knob, one end of the tensioning seat is rotatably mounted on the machine base, the tensioning roller is rotatably mounted on the other end of the tensioning seat, the first tensioning rod is mounted on the tensioning seat, the second tensioning rod is mounted on the machine base, and the tensioning elastic band connects the first and second tensioning rods so that the side of the tensioning seat is tightly pressed against the eccentric wheel.

7. The biodegradable and environmentally friendly composite nonwoven fabric preparation device as described in claim 1, characterized in that: A pressing mechanism is provided on the machine base for further pressing the composite nonwoven fabric. The pressing mechanism includes a pressing seat, a connecting sleeve, a guide rod, a connecting plate, a compression spring, a mounting plate, and a pressing roller. The pressing seat is fixed on the machine base, the connecting sleeve is fixed on the pressing seat, the guide rod is telescopically mounted on the connecting sleeve, the connecting plate is fixed on the guide rod, the compression spring is sleeved on the guide rod and is located between the pressing seat and the connecting plate, the mounting plate is located at the end of the guide rod, and the pressing roller is rotatably mounted on the mounting plate.

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