JP3197147U - Non-woven gauze product and its production system - Google Patents

Abstract

The present invention provides a non-woven gauze product and a production system thereof that have a short production cycle and can reduce product costs.
A non-woven gauze product and a system for manufacturing the same, wherein a spunlace device includes a second spunlace device, and a surface of the second spunlace device has a molding layer 413, and the molding layer 413 has a matrix shape. The taper-shaped protrusions 414 having a taper at the top are arranged uniformly, and the taper-shaped protrusions 414 have a rectangular cross section at the bottom and are spaced from the bottom of the adjacent taper-shaped protrusions 414 having a bottom size. Bigger than. The fiber net forms a non-woven fabric having rectangular holes arranged in a matrix by a spunlace impact in the second spunlace device, and exhibits a flat background structure in the spunlace nonwoven fabric by the rectangular holes arranged in a matrix, The size of the rectangular hole is larger than the width of warp and weft.
[Selection] Figure 6

Description

  The present invention relates to the field of gauze production, and more specifically to a non-woven gauze product and a production system thereof.

  Gauze is a light thin cotton fabric with a loose warp and has a wide range of uses in the medical field, and as a traditional use of gauze, it is used to manufacture medical gauze, gauze pads, bandages, masks, etc. Its advantages are soft and comfortable, good breathability, no irritation to the skin, good hygroscopicity, high tensile strength and no fluffing.

  The conventional gauze manufacturing method involves weaving warps and wefts, and using processes such as cotton opening, carding, cotton sliver manufacturing, coarse yarn manufacturing, fine yarn manufacturing, winding, warping, pasting, weaving, etc. There are several disadvantages such as manufacturing, long production process, complicated production process, labor intensive, high energy consumption, bad production environment, lint at the edge, etc. If it falls into the body, it causes infection and worsening of the patient's wound, making it difficult to heal, so it is necessary to seek a new method for producing gauze.

  When the conventional spunlace process is applied, the nonwoven fabric structure by the spunlace method may be dense or sparse, and the dense structure has disadvantages such as hard touch, poor drapeability, and low liquid absorption speed. Those having a sparse structure have many fuzz on the surface, are prone to fluffing, easily fall off cotton, easily fall off fibers, and have poor strength. These two types of spunlace nonwoven fabrics cannot replace the current gauze in terms of shape, texture and performance, especially due to the disadvantages that the liquid absorption speed of both is slow, easy to fluff or easily fall off cotton. Can not be applied in the medical field.

According to one aspect of the present invention,
A cotton batting machine for opening, cleaning and mixing raw cotton;
A carding machine installed downstream of the carding machine, for further opening and cleaning the cotton, and carding to form a fiber net;
A net laying stage installed downstream of the carding machine for laying and laying the fiber net according to the set specifications;
A spunlace device installed downstream of the net-laying stage for spunlace the laminated fiber net;
A post-treatment device installed downstream of the spunlace device and post-treating the spun-laced product to obtain a finished non-woven gauze product;
The spunlace device includes a first spunlace device and a second spunlace device, and the first spunlace device is a first spunlace support rope surrounded by a rotatable first tube and the first tube. The second spunlace device includes a rotatable second cylinder and a second spunlace support rope surrounded by the outside of the second cylinder, the second spunlace support rope includes a molding layer, and the molding The layer is provided with through-holes and tapered projections with a tapered top arranged in a matrix, the tapered projections having a rectangular bottom cross-section and the bottom of the tapered projections adjacent to the bottom size. A system for producing a non-woven gauze product that is larger than the distance between the two is provided.

  According to another aspect of the present invention, there is provided a non-woven gauze product manufactured by the above system, wherein the non-woven gauze product includes a spunlace nonwoven fabric, and the spunlace nonwoven fabric is formed in a matrix form by spunlace impact. The rectangular holes arranged in a matrix form have a flat weft structure in the spunlace nonwoven fabric, and the size of the rectangular holes is larger than the warp and weft yarn widths.

  In the nonwoven fabric gauze product and the manufacturing system thereof provided by the present invention, the spun lace device includes a second spun lace device, the second spun lace device has a molding layer on the surface, and the molding layer is arranged in a matrix. Tapered projections with tapered tops are uniformly installed, and the tapered projections have a rectangular cross section at the bottom and a bottom size that is larger than the distance between the bottoms of the adjacent tapered projections. The fiber net forms a non-woven fabric having rectangular holes arranged in a matrix by a spunlace impact in the second spunlace device, and presents a flat background structure in the spunlace nonwoven fabric by the rectangular holes arranged in a matrix. Is larger than the width of the warp and weft. The non-woven fabric has gauze structure and properties, can be used to manufacture gauze products in place of gauze, achieves production of non-woven fabric similar to gauze in a spunlace non-woven process, and its manufacturing method includes: Since the period is short and the cost is low, the cost of the gauze product can be reduced.

FIG. 1 is a structural schematic diagram of a production system for a non-woven gauze product in Example 1. FIG. 2 is a schematic diagram of the structure of the spunlace device in FIG. FIG. 3 is a structural schematic diagram of the first spunlace device in FIG. FIG. 4 is a structural schematic diagram of the first spunlace device in FIG. FIG. 5 is a structural schematic diagram of the second spunlace device in FIG. FIG. 6 is a structural schematic diagram of the second span lace device in FIG. FIG. 7 is a structural schematic diagram of the second span lace support rope of the second span lace device. FIG. 8 is a schematic view of the structure of the tapered protrusion on the molding layer of the second spunlace support rope of the second spunlace device. FIG. 9 is another structural schematic view of the tapered protrusion on the forming layer of the second spunlace support rope of the second spunlace device. FIG. 10 is a schematic diagram of the outer structure of the second rotating drum sleeve of the second spunlace device. FIG. 11 is a schematic diagram of the inner structure of the second rotating drum sleeve. FIG. 12 is a schematic diagram of the inner structure of the second rotating drum sleeve of the second spunlace device in another embodiment of the present invention. FIG. 13 is a flowchart of a method for manufacturing a nonwoven fabric gauze product in Example 1. FIG. 14 is a structural schematic diagram of the non-woven gauze product in Example 1. FIG. 15 is a schematic diagram of a partial structure of the production system for the nonwoven fabric gauze product of Example 2. FIG. 16 is a structural schematic diagram of a non-woven gauze product in Example 2.

  The gist of the present invention is to manufacture a gauze using a spunlace nonwoven fabric manufacturing process. The spunlace nonwoven fabric process has features such as a short manufacturing cycle, low cost, and high degree of automation. If a gauze effect can be achieved by adopting a manufacturing process of spunlace nonwoven fabric, the gauze product can be manufactured by replacing the weaving, and the cost of the gauze product is greatly reduced.

  The conventional spunlace process, due to its structural limitations, can only be processed into spunlace nonwovens with an irregular array of holes and cannot reach the gauze effect.

  In an embodiment of the present invention, by improving the spunlace device, a spunlace nonwoven fabric imitating gauze can be manufactured by using a spunlace with a rotating drum, and the spunlace nonwoven fabric has the effect of gauze. Become.

  Hereinafter, the present invention will be described in more detail by way of specific embodiments with reference to the drawings.

Example 1
Referring to FIG. 1, the present embodiment includes a bale plaque 601, a heavy material separator 602, a condenser 603, a cotton opening machine 604, a cotton blending machine 605, a cotton blowing machine 606, a carding machine 607, a net laying stage 608, and a spunlace. A system for producing a non-woven gauze product including device 609 and post-treatment device 610 is provided.

  The bale plaquer 601 is used to grab the raw cotton fibers and send them to the lower device for processing, and the bale plaquer may employ a reciprocating bale plaquer and applies to grabbing various grades of raw cotton and / or cotton-type chemical fibers.

  The heavy material separator 602 is installed downstream of the bale plaquer and is used to separate and remove heavy materials mixed in the cotton fiber raw material transferred by the bale plaquer. In another embodiment, the non-woven gauze product manufacturing system may further include an iron suction device and a metal spark heavy impurity detection and removal device installed between the bale plaque and the heavy load separator, wherein the iron suction device is a Installed downstream, used to detect and remove metal objects mixed in cotton fiber raw material, may adopt bridge type iron suction device, metal spark heavy impurity detection and removal device installed downstream of iron suction device It is used to detect and remove metals and heavy impurities and prevent fires.

  The capacitor 603 is installed downstream of the heavy material separator, and is used for aggregating the cotton fiber material processed by the heavy material separator and feeding the agglomerated cotton fiber material.

  A cotton spreader 604 is installed downstream of the condenser and is used for opening and cleaning the cotton fiber raw material delivered from the condenser. In this embodiment, the cotton spreader adopts a single axial flow cotton spreader.

  The cotton blending machine 605 is installed downstream of the cotton opening machine, and is used to mix and spread the opened cotton fiber raw material. In this embodiment, the cotton blending machine adopts a multi-chamber blending machine.

  The cotton blower 606 is installed downstream of the cotton blending machine, and is used to open and clean the cotton fiber raw material that was initially mixed by opening.

  The carding machine 607 is installed downstream of the carding machine, and the cotton fiber raw material that has been opened and cleaned in the finish is carded, impurities and / or short fibers are removed, and carded to form a fiber network. Used. In another embodiment, the nonwoven gauze product manufacturing system further includes an isomeric fiber sorter, a dust remover, an iron suction device, and a pneumatic hopper cotton feeder installed between the cotton blower and the carding machine. The isomeric fiber sorter is installed downstream of the cotton blower and is used to remove the isomeric fibers mixed in the cotton fiber raw material. The dust remover is installed downstream of the isomeric fiber sorter and used as the cotton fiber raw material. It is used to remove the mixed fine impurities, and the iron suction device is installed downstream of the dust remover, and is used to detect and remove metal objects mixed in the cotton fiber raw material. The iron suction device is a bridge type iron. A suction device may be employed, and the atmospheric pressure hopper cotton feeder is installed downstream of the iron suction device, and is used to uniformly feed the cotton fiber raw material to the carding machine.

  The net laying stage 608 is installed downstream of the carding machine, and is used for laying and laminating the fiber net according to the set specifications.

  In the net laying stage, the number of layers for laying the fiber net is determined by actual demand. Generally, a plurality of carding machines connected in parallel are used to send out the fiber net and the net laying stage. In Fig. 1, two carding machines are shown. The number of carding machines can be selected according to the fiber width and weight. In one embodiment, when only one carding machine is employed, the net laying stage does not lay the fiber net and only functions as a conveyor table. In this embodiment, the net-laying stage 608 may be net-laid in parallel or may be net-crossed at the intersection.

  The spunlace device 609 is installed downstream of the net laying stage 608, and is used for spunlace the laminated fiber net.

  Referring to FIG. 2, in the present embodiment, the spunlace device includes a first spunlace device 30 and a second spunlace device 40.

  The first span lace device 30 includes a rotatable first cylinder and a first span lace support rope 312 surrounded by the outside of the first cylinder, and the second span lace device 40 includes a rotatable second cylinder. And a second spunlace support rope 412 surrounded by the second cylindrical body.

  The spunlace head 10 is arranged circumferentially along the first and second spunlace devices, the pre-wet spunlace head is installed at the inlet of the rotating drum device, and the rotating drum rotates continuously Then, the fiber net 20 is interlocked and moved along the B direction. The first spunlace device 30 is a spunlace entangled rotating drum, the second spunlace device 40 is a spunlace forming rotating drum, and the fiber net 20 first passes through the first spunlace device 30 and against the back surface. A span lace is performed, and the second spun lace device 40 is further passed through to perform a span lace on the surface. In order to produce a spunlace nonwoven fabric having a gauze structure, the first spunlace device 30 and the second spunlace device 40 of the spunlace nonwoven fabric rotating drum device have different rotating drum sleeves, A rectangular hole is formed in the fiber net 20.

  Referring to FIGS. 3 and 4, the first cylinder of first spunlace device 30 includes a first rotating drum sleeve 31, a sealing member 32, and a liner 33. The first rotating drum sleeve 31 is surrounded by the surface of the rotating drum and is used to perform the spunlace while supporting the fiber net 100. One end of the rotating drum liner 33 is connected to a steam separator (not shown). The suction port 34 of the water absorption tank is provided corresponding to each spunlace head 10, and the suction port 34 is communicated with the support frame 35. The suction port 34 and the support frame 35 are a negative pressure system or a negative pressure system of the water absorption. It constitutes a part and is used to absorb water from the fiber net 100 and the first rotating drum sleeve 31. The sealing member 32 is attached between the liner 33 and the first rotating drum sleeve 31, and functions to seal and support the first rotating drum sleeve 31. The first rotating drum sleeve 31 includes a first rotating drum sleeve cylinder 311, and the first spunlace support rope 312 is installed outside the first rotating drum sleeve cylinder 311. The first spunlace support line 312 is used to support a cotton line and perform a spunlace. The first rotating drum sleeve cylinder 311 may employ a perforated steel plate or a honeycomb mesh wound in a cylindrical shape, and the first spunlace support rope 312 may employ a stainless steel mesh or a nickel mesh. The first spunlace support line 312 may further be a double layer net, for example, a superimposed stainless steel net and nickel net. When the rotating drum operates, the liner 33 does not rotate fixedly, but the first rotating drum sleeve 31 rotates. As shown in the direction of the arrow in FIG. 4, the spunlace head 10 injects water into the surface of the first spunlace support rope 312.

  Referring to FIGS. 5 to 9, the second cylinder of the second spunlace device 40 (that is, the spunlace forming rotary drum) includes a second rotary drum sleeve 41, a sealing member 42, and a liner 43, A suction port 44 for collecting water is provided inside the two-rotation drum sleeve 41, and the suction port 44 communicates with the support frame 45. The second rotating drum sleeve 41 includes a second rotating drum sleeve cylinder 411, and the second spunlace support rope 412 is installed outside the second rotating drum sleeve cylinder 411.

  The second rotating drum sleeve cylinder 411 is a perforated wire mesh wound in a cylindrical shape, and may be made of, for example, a stainless steel layer and punched into the stainless steel layer. The second rotating drum sleeve cylinder 411 is in close contact with the inner surface of the second spunlace support rope 412 and serves to hold the second spunlace support rope 412 so that the second spunlace support rope 412 is spunlaced. Can withstand pressure in the negative pressure suction, water can be better absorbed, and the fibers are better entangled with the second spunlace support 412.

  As shown in FIGS. 7 to 9, the second spunlace support rope 412 includes a molding layer 413, and the molding layer 413 is provided with a tapered projection 414 having a tapered top arranged in a matrix. The cross section of the bottom of the tapered projection 414 is rectangular, and the size (d1) of the bottom of the tapered projection 414 is larger than the interval (d2) between the bottoms of adjacent tapered projections 414, and the bottom size of the tapered projection 414 Is the length and width of the rectangular cross section of the bottom of the tapered protrusion 414, and the distance between the tapered protrusion 414 and the bottom of the adjacent tapered protrusion is adjacent to the tapered protrusion 414 and the adjacent tapered protrusion. The vertical spacing between two sides. As shown in FIGS. 8 and 9, the distance d1 is larger than the distance d2.

  The forming layer 413 is located on the surface layer of the second spunlace support rope 412 and its function is to form a rectangular hole required by the spunlace nonwoven fabric. Referring to FIGS. 8 and 9, the tapered protrusion 414 includes a rectangular parallelepiped portion 4141 at the lower end and a tip portion 4142 at the upper end. 8 and 9 show two different shapes of the tip 4142, but in other embodiments, the shape can be appropriately changed according to actual demand. By forming the tip portion 4142 in a structure in which the top of the tapered protrusion is tapered, a rectangular hole can be more easily formed in the fiber net when the spunlace is performed.

  In this example, the distance between the bottoms of two adjacent tapered projections is 0.1 to 1 mm, and the density of the tapered projections in the molding layer 414 is 50 pieces / square inch or more, and a product with a more sparse gauze structure For example, 75 pieces / in 2 are selected.

  Referring to FIGS. 10 and 11, FIG. 10 is a schematic diagram of the outer structure of the second rotating drum sleeve 41, and FIG. 11 is a schematic diagram of the inner structure of the second rotating drum sleeve 41.

  A through hole 415 for sucking waste water after spunlace is installed around each tapered protrusion 414 in the molding layer 413, and the suction port 44 is communicated with the through hole 415, and thus spunlaced. Drain and drain the wastewater afterwards. FIG. 7 does not show through holes.

  The molding layer 413 is made of a polyester polymer or a metal material, and may be made of a polycarbonate material, for example. The tapered protrusion 414 in the molding layer 413 may be manufactured by a casting process.

  In another embodiment, referring to FIG. 12, FIG. 12 is a schematic diagram of the inner structure of the second rotating drum sleeve 41. FIG. The spunlace support line 412 may further include a repellent layer 416 in intimate contact with the inner surface of the molded layer 413, which is a wire mesh, such as a stainless wire mesh. The action of the repellent layer 416 is to prevent the fibers from being impacted by the water into the drum, and also to exert a repellent action against water so that the fibers are better entangled with the molding layer 413. The second spunlace support rope 412, the repellent layer 416, and the second rotating drum sleeve cylinder 411 are sequentially and tightly coupled together without deviation. The size of the opening of the repellent layer 416 is larger than the size of the through-hole 415, and it can better perform the repelling action against water, and the thickness of the second rotating drum sleeve cylinder 411 is the same as that of the second spunlace support rope 412. The thickness of the layer 416 is larger than that of the layer 416, and the support function can be well performed.

  In this embodiment, the molding layer 413 of the second spunlace device 40 has a tapered protrusion 414 whose top is tapered, and in the process of the spunlace, rectangular holes regularly arranged in a matrix form are formed in the fiber net. Cotton fibers entangled between adjacent rectangular holes form a warp and weft structure that intersects vertically and horizontally, but since there is no overlap of warp and weft, the molding layer 413 other than protrusions and through holes, The spunlace nonwoven fabric has a flat weft structure, and the length and width of the rectangular holes are larger than the width of the warp and weft yarn, respectively. Strengthens the gauze imitation effect of spunlace nonwoven fabric.

  A post-treatment device 610 is installed downstream of the spunlace device and is used to post-process the spunlaced product to obtain a finished nonwoven gauze product. The post-processing device may include a bleaching device, a dryer, a winder, a cutter, and the like.

  Referring to FIG. 13, this embodiment further provides a method for manufacturing a non-woven gauze product that adopts the above system in a corresponding manner, in which the raw cotton fiber is grasped and sent to a lower device for processing. In general, a cotton gripping step 701 employing a pure cotton material, a weight separating step 702 for separating and removing heavy materials mixed in the cotton fiber raw material transferred by the bale plaque, and a cotton aggregating step 703 for aggregating the cotton fiber raw material Opening step 704 for opening and cleaning the cotton fiber raw material, blending step 705 for mixing and opening the opened cotton fiber raw material, and opening and cleaning the cotton fiber raw material initially mixed for opening. Cotton step 706 and cotton fiber raw material that has been opened and cleaned in the finish, removing impurities and / or short fibers, and cotton fiber material 707 and the fiber network are laid in accordance with the set specifications.In this step, the number of layers in which the fiber network is laid is determined according to the actual demand, and generally, a plurality of units connected in parallel are connected. In the case where only one carding machine is adopted in the embodiment, the mesh laying stage does not lay the fiber mesh in that step, and the conveyor In the present embodiment, the step may be laid in parallel, or may be laid at the intersection, and the laminated fiber network in the first embodiment. Introducing the spunlace device into the spunlace device, specifically, when introducing the fiber net into the entrance of the spunlace device, the process of pre-wetting the fiber net with a low-pressure water stream and the spunlace device The process of forming a rectangular hole in the spunlace fiber net by causing the fiber in the molding layer of the second spunlace device to be displaced and entangled by the impact force of the spunlace by spunlace the rewet fiber net; The first spunlace device includes a step of performing a spunlace on the back surface of the fiber net, and the second spunlace device includes a step of performing a spunlace on the surface of the fiber net. In this embodiment, the vertical spunlace is employed. Then, the spunlace step 709 with a spunlace pressure of 40-500bar and the post-processed spunlace product to obtain the finished product of non-woven gauze product, the post-processing step bleaching, softening arrangement, And post-processing step 710, which may include processes such as drying, winding, cutting and the like.

  Referring to FIG. 14, this example further provides a non-woven gauze product manufactured by the above method correspondingly, including a spunlace nonwoven fabric, the spunlace nonwoven fabric formed in a matrix form by spunlace impact. The rectangular holes arranged in a matrix form have a flat weft structure in a spunlace nonwoven fabric, and the size of the rectangular holes is larger than the widths of warps and wefts. The size of the rectangular hole is the length and width of the rectangular hole. In order to better realize the gauze imitation effect, the width of the warp and weft of the nonwoven fabric gauze product is 0.1 to 1 mm, and the warp / weft density is the number of warps / wefts in each inch. The density of rectangular holes is the number of rectangular holes in each square inch. The density of the rectangular holes is 50 holes / square inch or more, and for example, 75 holes / square inch is selected. Specifically, the warp density and the weft density of the non-woven gauze product may be 19 * 15 / inch or 30 * 20 / inch. In general, all the holes in the gauze are relatively strict rectangles. In the non-woven gauze product provided in this example, the rectangular holes are strict rectangular holes, and the rectangular holes have a smooth edge structure. Have For this reason, the spunlace nonwoven fabric can achieve a gauze mimicking effect, thereby having the structure and properties of gauze. The nonwoven fabric gauze product can be used as a medical dressing material in which a plurality of layers of spunlace nonwoven fabric are superimposed.

Example 2
Referring to FIG. 15, this example provides another non-woven gauze product manufacturing system, and the differences from Example 1 are as follows. Further, the apparatus includes a mesh laying stage 608 and a sensing line transfer device 807 for transferring the sense line 804 between the upper fiber network and the lower fiber network transferred by one or a plurality of carding machines. The pressure roller 801 for pressing the sensing line 804 transferred by the sensing line transfer device between the upper layer fiber net 805 and the lower layer fiber net 806 when the fiber nets are laminated and installed. The sense line transfer device 807 may be an unwinding device.

  Generally, a double doffer carding machine that can send out the upper and lower double fiber nets is adopted. In one embodiment, when the nonwoven gauze product manufacturing system employs only a single carding machine, the double fiber network sent out by the carding machine has a net laying stage as an upper fiber network and a lower fiber network, respectively. It is transferred to. If the production system for non-woven gauze products employs two or more carding machines, the double fiber nets sent out by each carding machine are first combined, and one or more of the carding machines are then combined. The combined fiber net is transferred to the net laying stage as a lower layer fiber net, and the fiber net combined by another carding machine is transferred to the net laying stage as an upper layer fiber net. In this embodiment, FIG. 1 shows two carding machines. First, double fiber nets sent out by one carding machine are first combined and transferred to a netting stage as a lower fiber net. First, the double fiber nets sent out by one other carding machine are combined and transferred to the net laying stage as an upper fiber net.

  Since it is necessary to ensure that the sensing line is inserted straight between the two layers of the fiber net, in this embodiment, the net laying stage 608 can only adopt a net laying method in parallel.

  The sensing line is displaced by the impact of water in the span lace process, thereby causing the sensing line to bend in the nonwoven fabric and preventing the subsequent cutting process from being affected. The non-woven gauze product manufacturing system applies adhesive to the sensing lines before inserting the sensing lines between the upper and lower layers of the mesh so that they can be firmly fixed between the layers An agent applicator 802 is further included. When the adhesive is applied to the sensing wire and then passed through the pressure roller, the sensing wire is closely attached to the fiber net, and the fibers are entangled and displaced by the impact of water in the spunlace process. The fiber attached to the sensing line is displaced integrally to one side due to the limitation of the sensing line, so that the sensing line remains straight without affecting the appearance of the nonwoven fabric and the subsequent cutting process. . As a method of applying the adhesive to the sensing line, a spraying or smearing method can be adopted, and in order to avoid the adhesive from affecting the flexibility of the nonwoven fabric as much as possible, the adhesive is applied to the sensing line. In this case, it can be applied once every predetermined distance.

  When the sensing line is sandwiched between the upper and lower fiber meshes and pressed by the pressure roller, the vibration of the mechanical device causes the sense line to move relative to the upper and lower fiber meshes, after being pressed May affect the linearity of the sense line. In order to ensure that the inserted sensing line is more straight, the non-woven gauze product manufacturing system further includes a metal ring 803 installed in front of the adhesive applicator, and the sensing line penetrates the metal ring 803. When the sensing line is sandwiched between the upper and lower fiber meshes and pressed by the pressure roller, the movement of the sensing line can be limited by the positioning of the metal ring 803 with respect to the sensing line, Ensure the linearity of the sensing line. One or a plurality of metal rings connected in series can be adopted, and the metal ring may be fixed to one end of the fixed rod, and the other end of the fixed rod is fixed to the netting stage. One end fixed to the netting stage can be structured to be rotatable, and the position of the metal ring is adjusted by adjusting the fixing rod, thereby adjusting the locus of the tip line.

  After inserting the sensing wire at the netting stage, the composite fiber rope is then fed into the spunlace device, the first to ensure that the sensing wire presents one straight line with the molded spunlace fabric Keep the distance between the spunlace head and the pressure roller as close as possible.

  In the non-woven gauze product manufacturing system provided in the present embodiment, a sensing line can be inserted into a gauze having a rectangular hole, and the inserted sensing lines are arranged in parallel at one or a predetermined distance. When a plurality of sensing lines are inserted, the plurality of sensing lines are placed between the upper fiber network and the lower fiber network with a predetermined distance by a corresponding plurality of sensor wire transfer devices. Need to be transported in parallel.

  This embodiment further provides another method for producing a non-woven fabric gauze product. The difference from Example 1 is that step 708 (net laying step) inserts a sensing line between two layers of fiber mesh. Further comprising the step of

  Before inserting the sensing line between the two layers of fiber mesh in the netting step, so that the inserted sensing line can be firmly fixed between the two layers of fiber mesh without being displaced. The method further includes applying an adhesive to the sensing line. After the adhesive is applied to the sensing line, the sensing line is closely attached to the fiber net by passing through the pressure roller. As a method of applying the adhesive to the sensing line, a spraying or smearing method can be adopted.

  In the method for manufacturing a non-woven fabric gauze product provided in the present embodiment, a sensing line can be inserted into a gauze having a rectangular hole, and the inserted sensing lines are arranged in parallel at one or a predetermined distance. It may be a plurality. Since it is necessary to ensure that the sensing line is inserted straight between the two layers of the fiber net, in this embodiment, the net laying step can only adopt a system in which the net is laid in parallel.

  Referring to FIG. 16, this example further provides another non-woven gauze product, and the non-woven gauze product is manufactured by the method provided by this example. The sensing wire 901 is inserted between the non-woven spunlace nonwoven fabric, the sensing wire 901 is embedded between the fibers of the spunlace nonwoven fabric, and the upper and lower surfaces thereof are covered with the entangled fibers. The number of inserted sensing lines may be one or plural. In FIG. 16, 902 is a nonwoven fabric layer.

  The sensing line may be an X-ray developing line or a chip line to which a chip capable of transmitting a radio signal (for example, an RF signal) is attached. The X-ray development line may be a fiber coated with an X-ray absorbing material (eg, barium sulfate). In this embodiment, a chip line is used as the sensing line.

  In addition, in the manufacturing process of non-woven gauze products, when cutting spunlace gauze into small pieces after inserting the chip wire, it always has only one chip wire for each gauze and one sheet It is necessary to ensure that there is only one chip per gauze.

  The non-woven gauze product provided by the present embodiment can be used as a medical dressing material in which a plurality of layers of spunlace nonwoven fabric are superimposed, and a sensing wire is inserted, so that in operation, the dressing material falls into the human body. Can be easily detected, thereby avoiding the occurrence of medical errors.

  As mentioned above, although this invention was demonstrated in detail, referring specific embodiment, it cannot authenticate that specific implementation of this invention is limited to these description. For those skilled in the art, some simple inferences or substitutions can be made without departing from the spirit of the present invention.

Claims (10)

A manufacturing system for non-woven gauze products,
A cotton batting machine for opening, cleaning and mixing raw cotton;
A carding machine installed downstream of the carding machine, for further opening and cleaning the cotton, and carding to form a fiber net;
A net laying stage installed downstream of the carding machine for laying and laying the fiber net according to the set specifications;
A spunlace device installed downstream of the net-laying stage for spunlace the laminated fiber net;
A post-treatment device installed downstream of the spun lace device and post-treating the spun-laced product to obtain a finished nonwoven gauze product;
The spunlace device includes a first spunlace device and a second spunlace device, and the first spunlace device is a first spunlace support rope surrounded by a rotatable first tube and the first tube. The second spunlace device includes a rotatable second cylinder and a second spunlace support rope surrounded by the outside of the second cylinder, the second spunlace support rope includes a molding layer, and the molding The layer is provided with through-holes and tapered projections with a tapered top arranged in a matrix, the tapered projections having a rectangular bottom cross-section and the bottom of the tapered projections adjacent to the bottom size. Nonwoven gauze product manufacturing system characterized by being larger than the interval between   The system according to claim 1, wherein the distance between the bottoms of two adjacent tapered protrusions is 0.1 to 1 mm, and the density of the tapered protrusions in the molding layer is 50 pieces / square inch or more.   It further includes a sensing line transfer device for transferring the sensing line between the net laying stage and the upper layer fiber net and the lower layer fiber net transferred by one or a plurality of carding machines, and the net laying stage includes a fiber The pressure roller for pressing the sensing line transferred by the sensing line transfer device between the upper-layer fiber network and the lower-layer fiber network when the mesh is laid and laminated, according to claim 1, system.   4. The system of claim 3, further comprising an adhesive applicator for applying an adhesive to the sense line before inserting the sense line between the upper fiber network and the lower fiber network.   5. The system of claim 4, further comprising a metal ring installed in front of an adhesive applicator for fixing the sensing line.   A spunlace nonwoven fabric, the spunlace nonwoven fabric has rectangular holes arranged in a matrix form formed by a spunlace impact, and the rectangular holes arranged in a matrix form are flat in the spunlace nonwoven fabric. The nonwoven fabric gauze product manufactured by the system according to any one of claims 1 to 5, wherein the size of the rectangular hole is larger than the width of warp and weft yarns.   7. The nonwoven fabric gauze product according to claim 6, wherein the nonwoven fabric gauze product has a warp and weft yarn width of 0.1 to 1 mm and a density of the rectangular holes of 50 pieces / square inch or more.   7. The nonwoven gauze product according to claim 6, further comprising a sensing wire embedded between the fibers of the spunlace nonwoven fabric and covered with fibers whose upper and lower surfaces are intertwined.   9. The nonwoven fabric gauze product according to claim 8, wherein the sensing line is an X-ray developing line or a chip line to which a chip capable of transmitting a radio signal is attached.   10. The nonwoven fabric gauze product according to any one of claims 6 to 9, wherein the nonwoven fabric gauze product is a medical dressing material in which a plurality of layers of spunlace nonwoven fabric are superimposed.

Images