Needle-punching process for double-layer thread-patterned cloth

Abstract

The present invention relates to the field of thread-patterned cloth forming, and discloses a double-layer thread-patterned cloth needle-punching forming process, including a feeding and mixing machine, a cotton storage box, an opener, a cotton feeding box, a carding machine, a web laying machine, a needling device, and a winding roller for forming the double-layer thread-patterned cloth. The present invention realizes the firm sewing of the double-layer thread-patterned cloth through the coordinated action of multiple functional components in the needling device. The setting of the needling sewing mechanism and the pressing and fixing mechanism ensures the tight connection between the first and second cloth layers. At the same time, the extrusion mechanism performs an extrusion treatment on the cloth layer, further enhancing the firmness of the connection of the double-layer cloth. This design not only solves the problems of the singleness and instability of the traditional fixing method, but also pre-treats the cloth layer through the heating component, further optimizing the bonding performance of the fiber. Therefore, the present invention not only improves the tightness of the double-layer thread-patterned cloth, but also takes into account the air permeability and production efficiency, and effectively solves the technical problems described in the background technology.

Description

Technical Field

[0001] The invention relates to the field of line-grained cloth forming technology, in particular to a double-layer line-grained cloth needle-punching forming technology. Background Art

[0002] Traditional thread-grained fabrics are generally formed on the base fabric by jacquard weaving. Such thread-grained fabrics are thinner, softer, and have relatively poor shape retention. In corresponding occasions, in order to improve the compactness of the thread-grained fabric, the tightness of the stitching production of the thread-grained fabric is increased. However, when the tightness of the thread-grained fabric is increased, the hardness of the thread-grained fabric itself is increased, resulting in a decrease in its air permeability and an increase in production costs.

[0003] Secondly, when sewing two independent layers of threaded cloth together, after increasing the strength of the threaded cloth, the knitting head of the equipment cannot quickly pass through the double-layer threaded cloth, so the two independent layers of threaded cloth are fixed together by needle piercing. However, this fixing method is too simple, and the connection between the two layers of threaded cloth is not firm. When the double-layer threaded cloth formed by this fixing method is used to make insoles, after long-term use, the two layers of threaded cloth are easily separated due to friction caused by wearing or other problems, affecting the actual use effect. Therefore, a process that can quickly sew and meet the tightness and breathability requirements of the threaded cloth is needed to meet the operational requirements for making insoles with threaded cloth. Summary of the invention

[0004] The invention provides a double-layer thread-patterned cloth needle-punching forming process, which overcomes the shortcomings described in the background technology.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A double-layer thread-patterned cloth needle-punching forming process, comprising a feeding and mixing machine, a cotton storage box, an opener, a cotton feeding box, a carding machine, a web laying machine, a needle punching device and a winding roller for forming the double-layer thread-patterned cloth, wherein the double-layer thread-patterned cloth comprises a second cloth layer and a first cloth layer sewn to the surface of the second cloth layer;

[0007] The molding process comprises the following steps:

[0008] S: The raw materials for forming the second fabric layer are put into a feeding and mixing machine to form a mixed raw material, and the mixed raw material is stored in a cotton storage box connected to the opener. During production, the mixed raw material is continuously and evenly put into the opener by using the cotton storage box, and the mixed raw material is broken up and fluffed by the opener;

[0009] S: transporting and delivering the mixed raw materials into a cotton feeding box, and evenly spreading the scattered and fluffy mixed raw materials on the surface of a conveyor belt arranged inside the cotton feeding box. The conveyor belt extends into a carding machine, and the mixed raw materials spread on the surface of the conveyor belt are combed by the carding machine, and a layer of woven wire net is laid on the surface of the mixed raw materials;

[0010] S: The woven wire mesh and the mixed raw material are simultaneously conveyed to a web laying machine, where they are pressed into a first cloth layer and a second cloth layer with different densities and thicknesses. The pressed cloth layer one and the second cloth layer are simultaneously conveyed to a needle punching device, where they are sewn into a double-layer wire-patterned cloth product, and then wound up at a winding roller.

[0011] The thickness of the first cloth layer is greater than that of the second cloth layer, the density of the first cloth layer is less than that of the second cloth layer, and the surface of the first cloth layer is provided with compacting parts arranged at equal intervals, and the density of the compacting parts is greater than the density of the first cloth layer;

[0012] A channel is provided in the acupuncture device, and the cloth layer 1 and the cloth layer 2 extend through the separation plate, the heating component, the acupuncture suturing mechanism, the pressing and fixing mechanism and the extrusion mechanism arranged in the channel. There are gaps between the upper sides of the heating component and the channel surface. The cloth layer 1 and the cloth layer 2 extend from the upper and lower sides of the heating component respectively. The extrusion mechanism is symmetrically arranged, and the acupuncture suturing mechanism and the pressing and fixing mechanism are arranged between the two extrusion mechanisms. When the cloth layer 1 and the cloth layer 2 pass through the extrusion mechanism, the extrusion mechanism extrudes the cloth layer 1 and the cloth layer 2.

[0013] A preferred technical solution is that the separation plate is fixed by fixing frames arranged on both sides, and the surface of the separation plate is arranged with anti-slip strips arranged in an eight-shaped shape, and the separation plate is a fan-shaped structure, and the large-diameter end of the separation plate is open and arranged toward the heating component;

[0014] The heating assembly includes a steam generator and a heating tube group. The heating tube group provides steam circulation through the steam generator. The heating tube group is composed of two connecting tubes connected to each other. The two connecting tubes are both of a "X"-shaped structure, and the two connecting tubes are staggered up and down. The cloth layer 1 and the cloth layer 2 on the upper and lower sides are heated by the heating tube group.

[0015] A preferred technical solution, the acupuncture suture mechanism has two sets of acupuncture mechanisms, each of which includes a motor 1, a connecting rod, an eccentric wheel and a movable acupuncture plate, the connecting rod and the eccentric wheel are arranged in a staggered manner, two adjacent connecting rods are connected by the eccentric wheel, and the connecting rod arranged at the end is connected to the output shaft of the motor 1, each eccentric wheel is movably connected to a movable acupuncture plate, the movable acupuncture plates in the upper and lower sets of acupuncture mechanisms face each other, and the upper and lower adjacent movable acupuncture plates are staggered;

[0016] The first and second fabric layers extend between the two sets of acupuncture mechanisms;

[0017] The connection ends of all movable needling plates and the eccentric wheel are staggered with the axis of the corresponding eccentric wheel. When the motor drives the connecting rod to drive the eccentric wheel to rotate, the two adjacent movable needling plates on the left and right are alternately lifted and lowered, and only one of every two adjacent movable needling plates moves toward the first cloth layer and the second cloth layer.

[0018] A preferred technical solution, the movable needling plate comprises a movable plate body and a connecting shaft, the movable plate body is movably connected to the eccentric wheel through the connecting shaft, a needling layer is arranged on the side of the movable plate body facing the first cloth layer, and deformation parts are arranged at both ends of the side of the movable plate body close to the connecting shaft;

[0019] The movable plate body is a hollow structure. When a force is applied to the surface of the movable plate body close to the connecting shaft, the deformed portion is deformed and becomes concave inward.

[0020] A preferred technical solution, the pressing and fixing mechanisms are symmetrically arranged, each pressing and fixing mechanism includes a second motor, an eccentric rod, a movable rod, a sliding block and a compacting plate body, a passage is provided for the sliding block to slide, the sliding block is slidably arranged inside, the eccentric rod is connected to the output shaft of the second motor, the sliding block is rotatably connected to the end of the eccentric rod, and the other end of the movable rod passes through the sliding block and is connected to the compacting plate body, and the ends of both sides of the compacting plate body are provided with protruding blocks protruding outward;

[0021] The moving directions of the two compacting plates are opposite. When the two motors drive the two compacting plates to move and squeeze toward the first and second cloth layers at the same time, the raised blocks are pressed on the surfaces of the first and second cloth layers to form compacting parts.

[0022] A preferred technical solution, the extrusion mechanism includes an adjusting wheel, motor three, a linear rail, a screw, a roller and motor four, a screw slider is slidably provided on the linear rail, the screw is arranged close to the linear rail, and the screw is installed on the output shaft of motor three, the screw passes through the screw slider and the end of the adjusting wheel, and the screw slider is threadedly connected with the screw, the output shaft of motor four forms a belt drive with the roller through a belt, so as to adjust the distance between the adjusting wheel and the roller through motor three.

[0023] Compared with the prior art, this technical solution has the following advantages:

[0024] The present invention realizes the firm sewing of the double-layer threaded cloth through the coordinated action of multiple functional components in the acupuncture device. The setting of the acupuncture sewing mechanism and the pressing and fixing mechanism ensures the tight connection between the first and second cloth layers. At the same time, the extrusion mechanism performs an extrusion treatment on the cloth layer, further enhancing the firmness of the connection of the double-layer cloth. This design not only solves the problems of the singleness and instability of the traditional fixing method, but also pre-treats the cloth layer through the heating component, further optimizing the fiber bonding performance. Therefore, the present invention not only improves the tightness of the double-layer threaded cloth, but also takes into account the air permeability and production efficiency, and effectively solves the technical problems described in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] Figure 1 This is an overall diagram of the present invention.

[0027] Figure 2 Schematic diagram of the acupuncture device.

[0028] Figure 3 A top view of the separation plate and the heating assembly.

[0029] Figure 4 Schematic diagram of the separation plate.

[0030] Figure 5 Schematic diagram of the acupuncture suturing mechanism.

[0031] Figure 6 Schematic diagram of the movable acupuncture plate.

[0032] Figure 7 It is a schematic diagram of the structure of the movable needle punched plate after extrusion deformation.

[0033] Figure 8 Schematic diagram of the pressing and fixing mechanism.

[0034] Fig. 9 Schematic diagram of the extrusion mechanism.

[0035] Fig.10 Schematic diagram of the double-layer line cloth structure.

[0036] In the figure: winding roller 1, needling device 2, web laying machine 3, carding machine 4, cotton feeding box 5, opening machine 6, cotton storage box 7, feeding and mixing machine 8;

[0037] Channels 21, 211, separation plates 22, heating components 23, acupuncture suturing mechanisms 24, pressing and fixing mechanisms 25, and extrusion mechanisms 26;

[0038] Anti-slip strip 221, fixing frame 222;

[0039] Steam generator 231, heating tube group 232;

[0040] Motor 1 241, connecting rod 242, eccentric wheel 243, movable acupuncture plate 244, movable plate body 441, acupuncture layer 4411, deformation part 4412, connecting shaft 442;

[0041] Motor 251, eccentric rod 252, movable rod 253, sliding block 254, compacting plate 255, protruding block 2551;

[0042] Adjusting wheel 261, motor three 262, linear rail 263, screw slider 2631, screw 264, roller 265, motor four 266, belt 2661;

[0043] Fabric layer one 101 , fabric layer two 102 , and compacting portion 103 . DETAILED DESCRIPTION

[0044] like Figures 1 to 10 As shown, the present invention proposes a double-layer thread pattern cloth needle punching forming process, including a feeding mixer 8, a cotton storage box 7, an opener 6, a cotton feeding box 5, a carding machine 4, a web laying machine 3, a needle punching device 2 and a winding roller 1 for forming the double-layer thread pattern cloth, and the double-layer thread pattern cloth includes a second cloth layer 102 and a first cloth layer 101 sewn to the surface of the second cloth layer 102;

[0045] The molding process comprises the following steps:

[0046] S1: the raw materials for forming the second fabric layer 102 are put into the feeding mixer 8 to form a mixed raw material, and the mixed raw material is stored in a cotton storage box 7 connected to the opener 6. During production, the cotton storage box 7 is used to continuously and evenly feed the mixed raw material into the opener 6, and the opener 6 is used to break up and fluff up the mixed raw material;

[0047] S2: transporting and delivering the mixed raw material into the cotton feeding box 5, and spreading the scattered and fluffy mixed raw material evenly on the surface of the conveyor belt arranged inside the cotton feeding box 5, and the conveyor belt extends into the combing machine 4, and the mixed raw material spread on the surface of the conveyor belt is combed by the combing machine 4, and a layer of woven wire net is spread on the surface of the mixed raw material;

[0048] S3: The woven wire mesh and the mixed raw material are simultaneously conveyed to the web laying machine 3, and the web laying machine 3 is used to press them into a cloth layer 1 101 and a cloth layer 2 102 with different densities and thicknesses, and at the same time, the pressed cloth layer 101 and the cloth layer 2 102 are conveyed to the needle punching device 2 to be stitched into a double-layer lined cloth product, and then wound up at the winding roller 1.

[0049] The thickness of the first cloth layer 101 is greater than the thickness of the second cloth layer 102, the density of the first cloth layer 101 is less than the density of the second cloth layer 102, and the surface of the first cloth layer 101 is provided with compacting parts 103 arranged at equal intervals, and the density of the compacting parts 103 is greater than the density of the first cloth layer 101;

[0050] As shown above, the present invention proposes an innovative solution to the shortcomings of traditional line-grained cloth in terms of tightness, air permeability and double-layer fixing firmness. Specifically, the process achieves a balance between tightness and air permeability through the differentiated design of cloth layer 1 101 and cloth layer 2 102. The thickness of cloth layer 1 101 is greater than that of cloth layer 2 102, but the density is less than that of cloth layer 2 102. This design allows cloth layer 101 to maintain a lower density while providing a larger thickness, thereby providing space for gas flow, solving the problem of reduced air permeability due to increased tightness of traditional line-grained cloth. In addition, the equidistantly arranged compaction parts 103 on the surface of cloth layer 1 101 further enhance the structural stability of the cloth layer, and the density of the compaction parts 103 is greater than that of cloth layer 1 101. This design improves the overall tightness and shape retention of the cloth layer without sacrificing air permeability. In terms of the fixing method of the double-layer line-grained cloth, the traditional process uses needle-piercing fixation, which is not firmly connected and is easy to separate during use. The present invention realizes the firm sewing of the double-layer threaded cloth through the coordinated action of multiple functional components in the acupuncture device 2. The setting of the acupuncture sewing mechanism 24 and the pressing and fixing mechanism 25 ensures the tight connection between the cloth layer 101 and the cloth layer 2 102. At the same time, the squeezing mechanism 26 squeezes the cloth layer to further enhance the firmness of the connection of the double-layer cloth. This design not only solves the problems of the singleness and instability of the traditional fixing method, but also pre-treats the cloth layer through the heating component 23 to further optimize the fiber bonding performance. Therefore, the present invention not only improves the tightness of the double-layer threaded cloth, but also takes into account the air permeability and production efficiency, and effectively solves the technical problems described in the background technology.

[0051] In addition, a channel 21 is provided in the acupuncture device 2, and the cloth layer 1 101 and the cloth layer 2 102 extend through the separation plate 22, the heating component 23, the acupuncture suture mechanism 24, the pressing and fixing mechanism 25 and the squeezing mechanism 26 provided in the channel 21. There are gaps between the upper sides of the heating component 23 and the surface of the channel 21. The cloth layer 1 101 and the cloth layer 2 102 extend from the upper and lower sides of the heating component 23 respectively. The squeezing mechanism 26 is symmetrically arranged, and the acupuncture suture mechanism 24 and the pressing and fixing mechanism 25 are arranged between the two squeezing mechanisms 26. When the cloth layer 1 101 and the cloth layer 2 102 pass through the squeezing mechanism 26, the squeezing mechanism 26 squeezes the cloth layer 1 101 and the cloth layer 2 102.

[0052] The needling device 2 is one of the core structures of the present invention, and its design has significant advantages. First, the channel 21 in the needling device 2 is reasonably designed to accommodate the simultaneous passage of the cloth layer 101 and the cloth layer 2 102, and the separation plate 22 is used to separate the two layers, thereby avoiding mutual interference between the cloth layers during the stitching process. This separation design not only improves the stitching efficiency, but also ensures the independence and integrity of the cloth layers before entering the needling stitching mechanism 24 and the pressing and fixing mechanism 25. Another significant advantage of the needling device 2 is the synergy of its functional components. The heating component 23 is located on both sides of the upper side of the channel 21, and there is a gap between it and the surface of the channel. This design allows the cloth layer 101 and the cloth layer 2 102 to pass through the upper and lower sides thereof respectively. The heating component 23 pre-treats the cloth layer so that the fibers have better bonding properties before stitching. This pre-treatment step is not available in the traditional process. Through the pre-treatment of the heating component 23, the flexibility and bonding ability of the fibers are improved, so that they can be better bonded in the subsequent needling and pressing processes, further enhancing the overall performance of the double-layer lined cloth.

[0053] Furthermore, the separation plate 22 is fixed by the fixing frames 222 arranged on both sides, and the surface of the separation plate 22 is arranged with anti-slip strips 221 arranged in an eight-shaped shape, and the separation plate 22 is a fan-shaped structure, and the large-diameter end of the separation plate 22 is open and arranged toward the heating component 23; and the separation plate 22 is fixed by the fixing frames 222 arranged on both sides. This fixing method ensures the stability of the separation plate during the processing, so that it can withstand the pressure and tension generated when the cloth layer 1 101 and the cloth layer 2 102 pass through, thereby ensuring the smooth progress of the entire process. The design of the fixing frame 222 not only provides a firm support, but also allows the separation plate 22 to be quickly replaced or maintained when necessary, improving the operability and maintenance efficiency of the equipment.

[0054] Furthermore, the heating assembly 23 includes a steam generator 231 and a heating tube group 232. The heating tube group 232 provides steam circulation through the steam generator 231. The heating tube group 232 is composed of two connecting tubes connected to each other. The two connecting tubes are both in a "X" shape and are staggered up and down. The fabric layer 1 101 and the fabric layer 2 102 on the upper and lower sides thereof are heated by the heating tube group 232.

[0055] This design not only provides an efficient heating method, but also realizes uniform heating of the fabric layer through the circulation of steam. The steam generator 231 provides steam for the heating tube group 232. Compared with traditional electric heating or hot air heating, this steam heating method has higher thermal efficiency and more uniform heat distribution. Steam can quickly penetrate into the fibers of the fabric layer, so that the fibers reach an ideal temperature state in a short time, thereby improving the flexibility and processability of the fibers. The heating tube group 232 is composed of two connecting pipes connected to each other, and both connecting pipes are of a "J"-shaped structure, which are staggered up and down. This "J"-shaped structure design has important functional advantages. On the one hand, the connecting pipe of the "J"-shaped structure can increase the contact area between the heating tube group 232 and the fabric layer, so that heat can be more evenly transferred to the upper and lower sides of the fabric layer 1 101 and the fabric layer 2 102. The connecting pipes staggered up and down further optimize the heat distribution, ensuring that the fabric layer can obtain a uniform and consistent heating effect when passing through the heating assembly 23, avoiding the problem of local overheating or insufficient heating. This uniform heating method not only improves the processing quality of the fabric layer, but also reduces the damage to the fiber caused by uneven temperature, thereby extending the service life of the fabric layer. In addition, the staggered arrangement of the heating tube group 232 also provides stable support for the fabric layer. When the fabric layer passes through the heating assembly 23, the staggered connecting tubes can prevent the fabric layer from deforming or shifting due to its own weight or tension, ensuring that the fabric layer remains flat and stable during the heating process. This structural design not only improves the processing efficiency, but also ensures the quality and performance of the fabric layer in the subsequent needling and lamination processes;

[0056] In addition, the separation plate 22 adopts a fan-shaped structure, and the large-diameter end is open and facing the heating component 23. The design of this fan-shaped structure enables the separation plate 22 to better adapt to the width change of the cloth layer, providing more uniform support and guidance for the cloth layer. The open large-diameter end faces the heating component 23, which not only facilitates the smooth entry of the cloth layer into the heating area, but also ensures that the cloth layer is in a separated state before entering the heating component 23, avoiding adhesion or interference between the cloth layers. This structural design not only improves processing efficiency, but also ensures the stability and consistency of the cloth layer during subsequent heating and acupuncture processes.

[0057] Furthermore, the acupuncture suturing mechanism 24 comprises two upper and lower groups of acupuncture mechanisms, each of which comprises a motor 241, a connecting rod 242, an eccentric wheel 243 and a movable acupuncture plate 244. The connecting rod 242 and the eccentric wheel 243 are arranged in a staggered manner, two adjacent connecting rods 242 are connected by the eccentric wheel 243, and the connecting rod 242 arranged at the end is connected to the output shaft of the motor 241, each eccentric wheel 243 is movably connected to a movable acupuncture plate 244, the movable acupuncture plates 244 in the upper and lower groups of acupuncture mechanisms face oppositely, and the upper and lower adjacent movable acupuncture plates 244 are staggered, the movable acupuncture plates 244 in the upper and lower groups of acupuncture mechanisms face oppositely, and the upper and lower adjacent movable acupuncture plates 244 are staggered. This staggered design allows the needling action to be more evenly distributed between the first cloth layer 101 and the second cloth layer 102, avoiding the overlap or over-density of the needling points, thereby reducing the damage to the fibers and improving the structural integrity and durability of the cloth layer. At the same time, the left and right adjacent active needling plates 244 are driven by the first motor 241 to perform an alternating lifting and lowering action, ensuring that only one of every two adjacent active needling plates 244 moves toward the cloth layer. This alternating lifting and lowering design not only improves the needling efficiency, but also makes the needling action softer, further reducing the impact and damage to the cloth layer;

[0058] The cloth layer 1 101 and the cloth layer 2 102 extend between the two sets of acupuncture mechanisms;

[0059] The connection ends of all movable needling plates 244 and eccentric wheels 243 are staggered from the axis of the corresponding eccentric wheels 243. When the motor 1 241 drives the connecting rod 242 to drive the eccentric wheel 243 to rotate, the two adjacent movable needling plates 244 on the left and right are alternately raised and lowered, and only one of the two adjacent movable needling plates 244 moves toward the first cloth layer 101 and the second cloth layer 102.

[0060] The design of the needle suturing mechanism 24 realizes efficient suturing of the first cloth layer 101 and the second cloth layer 102 through the alternately raised and lowered movable needle suturing plates 244 and the staggered eccentric wheels 243. The relative arrangement of the upper and lower sets of needle suturing mechanisms enables the needle suturing action to be evenly distributed between the double layers of cloth, ensuring the tight bonding of the cloth layers. At the same time, this design improves the air permeability and softness of the cloth layer by reducing the damage to the fibers during the needle suturing process, and solves the problem of fiber damage and reduced air permeability caused by over-concentrated needle suturing in the traditional needle suturing fixing method.

[0061] Furthermore, the movable needling plate 244 comprises a movable plate body 441 and a connecting shaft 442. The movable plate body 441 is movably connected to the eccentric wheel 243 via the connecting shaft 442. A needling layer 4411 is provided on the side of the movable plate body 441 facing the fabric layer 101, and deformation parts 4412 are provided at both ends of the side of the movable plate body 441 close to the connecting shaft 442.

[0062] The movable plate body 441 is a hollow structure. When the surface of the movable plate body 441 close to the connecting shaft 442 is subjected to force, the deformation portion 4412 is deformed inwardly. First, the hollow structure significantly reduces the weight of the movable plate body 441, making the acupuncture action lighter and more flexible, reducing the energy consumption of the motor 241, and improving the overall operation efficiency of the equipment. Secondly, the hollow structure provides the movable plate body 441 with better elastic deformation ability. During the acupuncture process, when the surface of the movable plate body 441 close to the connecting shaft 442 is subjected to force, the deformation portion 4412 can be deformed inwardly. This elastic deformation can effectively buffer the impact force generated during the acupuncture process, reduce fiber damage, and extend the service life of the acupuncture plate.

[0063] When the needle punching plate is stressed, the deformation part 4412 can be recessed inward to buffer the impact force, thereby achieving a "soft landing" during the needle punching process. This buffering mechanism not only reduces the damage to the fabric fibers during the needle punching process, but also improves the stability and consistency of the needle punching action, ensuring the tight bonding of the double-layer fabric.

[0064] Furthermore, the pressing and fixing mechanisms 25 are symmetrically arranged, and each pressing and fixing mechanism 25 includes a second motor 251, an eccentric rod 252, a movable rod 253, a sliding block 254 and a compacting plate 255. A 211 for the sliding block 254 to slide is provided in the channel 21, and the sliding block 254 is slidably arranged in 211. The eccentric rod 252 is connected to the output shaft of the second motor 251, and the sliding block 254 is rotatably connected to the end of the eccentric rod 252, and the other end of the movable rod 253 passes through the sliding block 254 and is connected to the compacting plate 255, and the ends of both sides of the compacting plate 255 are provided with protruding blocks 2551 protruding outwards;

[0065] The two compacting plates 255 move in opposite directions. When the two motors 251 drive the two compacting plates 255 to move and squeeze the first and second fabric layers 101 and 102, the protruding blocks 2551 are pressed on the surfaces of the first and second fabric layers 101 and 102 to form compacting parts 103.

[0066] Among them, the outwardly protruding protrusions 2551 are set at the ends of both sides of the compacting plate 255. This design enables the compacting plate 255 to form a specific compacting part 103 when squeezing the cloth layer. The protrusions 2551 are pressed on the surface of the cloth layer to form the compacting part 103. This compacting part not only enhances the bonding strength of the double-layer cloth, but also improves the structural stability of the cloth layer through a specific shape design. The formation of the compacting part 103 further optimizes the overall performance of the double-layer cloth, so that it can better resist external forces during use and reduce the risk of separation caused by friction or stretching.

[0067] A preferred technical solution, the extrusion mechanism 26 includes an adjusting wheel 261, a motor three 262, a linear rail 263, a screw 264, a roller 265 and a motor four 266, a screw slider 2631 is slidably provided on the linear rail 263, the screw 264 is arranged close to the linear rail 263, and the screw 264 is installed on the output shaft of the motor three 262, the screw 264 passes through the screw slider 2631 and the end of the adjusting wheel 261, and the screw slider 2631 is threadedly connected with the screw 264, and the output shaft of the motor four 266 forms a belt drive with the roller 265 through a belt 2661, so as to adjust the distance between the adjusting wheel 261 and the roller 265 through the motor three 262.

[0068] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of the present invention. That is, equivalent changes and modifications made according to the patent scope of the present invention and the contents of the specification should still fall within the scope of the present invention.

Claims

1. A double-layer thread-patterned cloth needle-punching process, characterized in that: The invention comprises a feeding and mixing machine (8), a cotton storage box (7), an opening machine (6), a cotton feeding box (5), a carding machine (4), a web laying machine (3), a needle punching device (2) and a winding roller (1) for forming a double-layer threaded cloth, wherein the double-layer threaded cloth comprises a second cloth layer (102) and a first cloth layer (101) sewn to the surface of the second cloth layer (102); The molding process The following steps are involved: S1: raw materials for forming the second fabric layer (102) are fed into a feeding and mixing machine (8) to form a mixed raw material, and the mixed raw material is stored in a cotton storage box (7) connected to an opener (6). During production, the mixed raw material is continuously and evenly fed into the opener (6) using the cotton storage box (7), and the opener (6) breaks up and fluffs the fed mixed raw material; S2: transporting and delivering the mixed raw material into a cotton feeding box (5), and evenly spreading the scattered and fluffy mixed raw material on the surface of a conveyor belt arranged inside the cotton feeding box (5). The conveyor belt extends into a combing machine (4), and the mixed raw material spread on the surface of the conveyor belt is combed by the combing machine (4), and a layer of woven wire mesh is spread on the surface of the mixed raw material; S3: The woven wire mesh and the mixed raw material are simultaneously conveyed to a web laying machine (3), and the web laying machine (3) is used to press them into a first cloth layer (101) and a second cloth layer (102) having different densities and thicknesses, and the pressed and formed first cloth layer (101) and second cloth layer (102) are simultaneously conveyed to a needle punching device (2) to be stitched into a double-layer threaded cloth product, and then rolled up at a winding roller (1); The thickness of the first cloth layer (101) is greater than the thickness of the second cloth layer (102), the density of the first cloth layer (101) is less than the density of the second cloth layer (102), and the surface of the first cloth layer (101) is provided with compacting parts (103) arranged at equal intervals, and the density of the compacting parts (103) is greater than the density of the first cloth layer (101); The acupuncture device (2) is provided with a channel (21), and the first cloth layer (101) and the second cloth layer (102) extend through a separation plate (22), a heating component (23), a needle suturing mechanism (24), a pressing and fixing mechanism (25) and an extrusion mechanism (26) provided in the channel (21). There are gaps between the upper sides of the heating component (23) and the surface of the channel (21). The first cloth layer (101) and the second cloth layer (102) extend through the upper and lower sides of the heating component (23) respectively. The extrusion mechanism (26) is symmetrically arranged. The needle suturing mechanism (24) and the pressing and fixing mechanism (25) are arranged between the two extrusion mechanisms (26). When the first cloth layer (101) and the second cloth layer (102) pass through the extrusion mechanism (26), the extrusion mechanism (26) extrudes the first cloth layer (101) and the second cloth layer (102).

2. A double-layer thread-patterned cloth needle-punching process according to claim 1, characterized in that: The separation plate (22) is fixed by fixing frames (222) arranged on both sides, and the surface of the separation plate (22) is provided with anti-slip strips (221) arranged in an eight-shaped pattern, and the separation plate (22) is a fan-shaped structure, and the large-diameter end of the separation plate (22) is open and arranged toward the heating component (23); The heating assembly (23) comprises a steam generator (231) and a heating tube group (232). The heating tube group (232) provides steam circulation through the steam generator (231). The heating tube group (232) consists of two interconnecting tubes. Both interconnecting tubes are of a "X"-shaped structure. The two interconnecting tubes are arranged in an upper and lower staggered manner. The heating tube group (232) heats the cloth layer 1 (101) and the cloth layer 2 (102) on the upper and lower sides thereof.

3. The double-layer thread-patterned cloth needle-punching forming process according to claim 1, characterized in that: The acupuncture suturing mechanism (24) comprises two upper and lower groups of acupuncture mechanisms, each of which comprises a motor (241), a connecting rod (242), an eccentric wheel (243) and a movable acupuncture plate (244). The connecting rods (242) and the eccentric wheels (243) are arranged in a staggered manner, two adjacent connecting rods (242) are connected via the eccentric wheels (243), and the connecting rod (242) arranged at the end is connected to the output shaft of the motor (241), each eccentric wheel (243) is movably connected to a movable acupuncture plate (244), and the movable acupuncture plates (244) in the upper and lower groups of acupuncture mechanisms face oppositely, and the upper and lower adjacent movable acupuncture plates (244) are arranged staggered. The cloth layer 1 (101) and the cloth layer 2 (102) extend between the two sets of acupuncture mechanisms; The connection ends of all movable needling plates (244) and the eccentric wheel (243) are staggered with respect to the axis of the corresponding eccentric wheel (243), and when the motor 1 (241) drives the connecting rod (242) to drive the eccentric wheel (243) to rotate, the two adjacent movable needling plates (244) on the left and right are alternately raised and lowered, and only one of the two adjacent movable needling plates (244) moves toward the first cloth layer (101) and the second cloth layer (102).

4. A double-layer thread-patterned cloth needle-punching process according to claim 3, characterized in that: The movable needle punching plate (244) comprises a movable plate body (441) and a connecting shaft (442); the movable plate body (441) is movably connected to the eccentric wheel (243) via the connecting shaft (442); a needle punching layer (4411) is provided on the side of the movable plate body (441) facing the first cloth layer (101); and deformation portions (4412) are provided at both ends of the side of the movable plate body (441) close to the connecting shaft (442); The movable plate body (441) is a hollow structure, and when a force is applied to the surface of the movable plate body (441) close to the connecting shaft (442), the deformation is generated at the deformation portion (4412) to become concave inward.

5. The double-layer thread-patterned cloth needle-punching forming process according to claim 1, characterized in that: The pressing and fixing mechanisms (25) are symmetrically arranged. Each pressing and fixing mechanism (25) comprises a second motor (251), an eccentric rod (252), a movable rod (253), a sliding block (254) and a compacting plate (255). A (211) for the sliding block (254) to slide is arranged in the channel (21). The sliding block (254) is slidably arranged in the (211). The eccentric rod (252) is connected to the output shaft of the second motor (251). The sliding block (254) is rotatably connected to the end of the eccentric rod (252). The other end of the movable rod (253) passes through the sliding block (254) and is connected to the compacting plate (255). The ends of both sides of the compacting plate (255) are provided with protruding blocks (2551) protruding outwards. The two compacting plates (255) move in opposite directions. When the two motors (251) drive the two compacting plates (255) to move and squeeze the cloth layer 1 (101) and the cloth layer 2 (102) respectively, the protruding blocks (2551) are used to press the surfaces of the cloth layer 1 (101) and the cloth layer 2 (102) to form a compacting portion (103).

6. A double-layer thread-patterned cloth needle-punching process according to claim 5, characterized in that: The extrusion mechanism (26) comprises an adjusting wheel (261), a motor (262), a linear rail (263), a screw (264), a roller (265) and a motor (266). A screw slider (2631) is slidably mounted on the linear rail (263). The screw (264) is arranged close to the linear rail (263) and is mounted on the output shaft of the motor (262). The screw (264) passes through the screw slider (2631) and the end of the adjusting wheel (261), and the screw slider (2631) and the screw (264) are threadedly connected. The output shaft of the motor (266) is connected to the roller (265) via a belt (2661) to form a belt drive, so that the distance between the adjusting wheel (261) and the roller (265) can be adjusted via the motor (262).

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