A sterilizing meltblown nonwoven fabric preparation system and preparation method

Abstract

The invention discloses a sterilized meltblown nonwoven fabric preparation system and preparation method, which relate to the technical field of meltblown nonwoven fabric processing, and include: a multi-stage melting classification component, which is installed and erected through a supporting structure, and is used to form a multi-stage melting operation, and different temperature gradients are set during melting in each stage, and independent feeding is formed to ensure that molten resin materials of different materials can be classified and transported. Through the cooperation of the multi-stage melting classification component, the injection control adjustment component and the adaptive conveying component, it is effectively ensured that molten resin materials of different materials can be classified and transported, and the stability and uniformity of the melting process are improved, which is convenient for the subsequent formation of a non-woven fabric with a multi-layer composite structure, improves its physical and chemical properties, and provides a guarantee for the quality and performance of the overall product, and forms a controllable rate adjustment to drive the spinning collection plate located at the bottom of the injection head to collect fiber filaments, ensuring the uniformity and stability of the fiber filament collection.

Description

Technical Field

[0001] The present invention relates to the technical field of meltblown nonwoven fabric processing, and in particular to a sterilized meltblown nonwoven fabric preparation system and preparation method. Background Art

[0002] In the prior art, when preparing non-woven fabrics by meltblowing process, the resin material is conventionally melted and then the formed fiber filaments are sprayed onto a spinning collection plate. However, the resin material may be incompletely melted due to uneven temperature during the melting process, which may affect the subsequent spinning quality and the performance of the non-woven fabric. In addition, although the conventional melting process can be sterilized by adding materials such as silver ions, the overall performance still cannot meet the existing needs. Therefore, it is necessary to propose a sterilization meltblown non-woven fabric preparation system and preparation method. Summary of the invention

[0003] The purpose of the present invention is to provide a sterile meltblown non-woven fabric preparation system and preparation method, so as to solve the problem proposed in the above background technology that when preparing non-woven fabrics by meltblowing process, the resin material is conventionally melted and the formed fiber filaments are sprayed onto a spinning collection plate. However, the resin material may be incompletely melted due to uneven temperature during the melting process, which affects the subsequent spinning quality and the performance of the non-woven fabric. In addition, although the conventional melting process can be used for sterilization by adding materials such as silver ions, the overall performance still cannot meet the existing needs.

[0004] To achieve the above object, the present invention provides the following technical solution: a sterilizing meltblown nonwoven fabric preparation system, comprising:

[0005] The multi-stage melting classification component is installed and set up through a supporting structure to form a multi-stage melting operation, and set a different temperature gradient during each stage of melting, and form an independent feed to ensure that molten resin materials of different materials can be transported in a classified manner;

[0006] An adaptable conveying component is installed on the work frame table and is used to cooperate with the multi-stage melting classification component to realize the conveying control of different molten resin materials, so that a non-woven fabric with a multi-layer composite structure that can improve its physical and chemical properties can be formed according to the preparation requirements of the non-woven fabric;

[0007] The jet control and adjustment component is installed at the bottom of the work frame table and forms a conveying connection relationship with the adapting conveying component, and is used to spray fibers of different materials according to needs to form a non-woven fabric with a multi-layer composite structure;

[0008] The X-axis guide rail is installed at the bottom of the working frame and forms a planar displacement adjustment structure with the Y-axis guide rail, which is used to form a controllable speed adjustment to drive the spinning collection plate located at the bottom of the injection control adjustment component to collect fiber yarns.

[0009] Preferably, the multi-stage melting classification component comprises:

[0010] A side bearing rotating frame, a connecting side frame, a first melter, a driving energy-saving motor and a bidirectional control brushless motor. The side bearing rotating frame is fastened to the top of the supporting structure and is rotatably connected to the left end of the connecting side frame. The right end of the connecting side frame is connected to the output end of the bidirectional control brushless motor. The first melter is fastened to the inner side of the frame of the connecting side frame through a hoop. The driving energy-saving motor is installed on the right side surface of the frame of the connecting side frame. The output end of the driving energy-saving motor is connected to a rotating shaft column. The bottom end of the rotating shaft column is externally sleeved with a heating and stirring structure. The side of the heating and stirring structure is fastened with a scraper.

[0011] Preferably, a pneumatic iris valve is installed inside the first melter, and the pneumatic iris valve is used to divide the interior of the first melter into two melting zones. The heating and stirring structure and the scraper are located in a melting zone at the bottom, and an electromagnetic coil structure is installed on the inner side of the other melting zone. The sides of the two melting zones are connected with pumping material pipes, and ceramic heat exchanger groups are installed on the sides of the two melting zones. The side surface of the first melter is connected with a first pumping flow control pipe.

[0012] Preferably, the side end of the first pumping flow control tube is connected to a fluid pressure adapter guide, the side end of the fluid pressure adapter guide is connected to a second pumping flow control tube, the bottom end of the second pumping flow control tube is connected to a second melter, the internal heating and stirring structure of the second melter is connected to the output end of the other side of the two-way control brushless motor, and the external sleeve of the internal heating and stirring structure of the second melter is installed with an electromagnetic heating coil control structure, the other side end of the fluid pressure adapter guide is connected to a two-way guide pipe, the bottom of the two-way guide pipe is connected to a third melter, the top of the third melter is connected to a pumping three-way conduit, the side end of the pumping three-way conduit is connected to a three-way quick pipe, and high-precision temperature sensors are embedded in the two melting zones inside the bodies of the first melter, the second melter and the third melter.

[0013] Preferably, the adapter conveying component comprises:

[0014] A three-way guide regulating inlet valve, a classification catheter, a catheter fluid monitor and an adapter guide tube. The classification catheter is connected to the three-way quick-connect line through the side end of the three-way guide regulating inlet valve. The catheter fluid monitor forms two groups and is respectively located outside the classification catheter for monitoring. The side end of the classification catheter is connected to the adapter guide tube. The left and right ends of the adapter guide tube are respectively connected to a first temperature heating tube and a second temperature heating tube.

[0015] Preferably, the injection control and adjustment component includes:

[0016] A nozzle control box, a quick-sorting pipe, a plug-in fixed end and a rotating motor, the nozzle control box is installed at the bottom of the working frame, the side ends of the quick-sorting pipe are connected with the first temperature heating tube and the second temperature heating tube respectively, the side ends of the plug-in fixed end are plug-in connected with a nozzle, the nozzles are arranged in multiple groups, the top ends of the multiple groups of nozzles are externally sleeved with elastic damping springs, and a protective outlet shell is installed at the bottom of the rotating motor.

[0017] Preferably, a plurality of groups of sliding grooves are evenly spaced on the surface of the protective outlet shell, a plurality of groups of pressure operating blocks are sleeved on the outer top of the spray heads, the pressure operating blocks are slidably connected in the sliding grooves, and a plurality of groups of miniature electromagnetic guide rods are installed on the top of the spray head control box, the plurality of groups of miniature electromagnetic guide rods are used to apply pressure to the pressure operating blocks, so as to drive the spray heads to shift and operate at the bottom end of the protective outlet shell.

[0018] Preferably, the left and right ends of the Y-axis guide rail are slidably connected to a transverse guide groove frame via a sliding groove member, and the transverse guide groove frame is fastened to the side frame legs of the working frame body.

[0019] Preferably, the top of the transverse guide groove frame is connected to an electrostatically controlled injector, which is used to spray electrostatic particles so that the fibers can be quickly cooled and solidified in the air, and a nozzle pressure detection sensor and a PID controller are respectively installed on the top of the working frame.

[0020] A method for preparing a sterilizing meltblown nonwoven fabric preparation system comprises the following steps:

[0021] S1. First, the resin materials to be required are classified and injected into the multi-stage melting classification component, and according to the application requirements, nano-silver ions are added in the first melter, aramid fibers and carbon fibers with optimized ratios are added in the second melter, and polyester fibers and cotton fibers with optimized ratios are added in the third melter;

[0022] S2, then, the melting process of the first melter, the second melter and the third melter is divided into multiple stages, and the temperature of each stage is gradually increased, and with the cooperation of a high-precision temperature sensor, an external PLC controller is used to monitor and adjust the temperature of each melting zone in real time;

[0023] S3. Secondly, use the adapter conveying component to feed and control separately to ensure that the molten resin material of each material has been fully melted and evenly mixed before entering the nozzle;

[0024] S4. Afterwards, with the cooperation of the injection control and adjustment components, the nozzle pressure detection sensor and the PID controller are used to ensure the injection synchronization of multiple nozzles to avoid unclear layers caused by differences in injection time.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. In the present invention, the interior of the first melter is divided into two melting zones by a pneumatic iris valve under the cooperation of a multi-stage melting classification component, so that resin materials of different materials are melted in different melting zones, and nano-silver ions are added in the first melter to improve the antibacterial properties of the non-woven fabric, and aramid fibers and carbon fibers with optimized ratios are added in the second melter, and polyester fibers and cotton fibers with optimized ratios are added in the third melter to improve the physical and chemical properties of the non-woven fabric. At the same time, each melting zone is equipped with a heating and stirring structure and a scraper blade to ensure uniform mixing and distribution of the molten resin material to avoid local overheating or overcooling, and electromagnetic heating is performed by an electromagnetic coil structure to ensure uniform temperature of the molten resin material, and the ceramic heat exchanger group installed is used to ensure uniform heat transfer and improve melting efficiency, and then the molten resin material fluids generated by the first melter, the second melter and the third melter are controlled and transported respectively, effectively ensuring that molten resin materials of different materials can be transported in a classified manner, and improving the stability and uniformity of the melting process, facilitating the subsequent formation of a non-woven fabric with a multi-layer composite structure, improving its physical and chemical properties, and providing a guarantee for the quality and performance of the overall product.

[0027] 2. In the present invention, with the cooperation of the jet control and adjustment components, multiple groups of jet heads are respectively used to jet molten resin materials of different materials to form a non-woven fabric with a multi-layer composite structure. In cooperation with the electrostatic control jet, electrostatic particles are generated through a high-voltage electric field to cause static electricity on the ejected fiber belt, thereby improving the fineness and uniformity of the fiber, and rapidly cooling and solidifying it in the air. Secondly, the rotating motor drives the protective output end shell to rotate to ensure that the jet head can be positioned at different positions. After stopping, the micro-electromagnetic guide rod applies downward pressure to the pressure operation block, driving the jet head to shift and operate, thereby ensuring the stability and accuracy of the jet head. At the same time, the planar displacement adjustment structure formed by the X-axis guide rail and the Y-axis guide rail is used to form a controllable rate adjustment to drive the spinning collection plate located at the bottom of the jet head to collect fiber filaments, thereby ensuring the uniformity and stability of the fiber filament collection.

[0028] 3. In the present invention, with the cooperation of the adaptor conveying assembly, the inflow and distribution of different molten resin materials are controlled by the three-way conveying regulating inlet valve to ensure that the materials can be conveyed to different melting zones as needed, and the classification conduit is connected to the three-way quick-connect line through the side end of the three-way conveying regulating inlet valve to ensure that molten resin materials of different materials can be conveyed in a classified manner. At the same time, the conduit fluid monitor monitors the fluid state in the classification conduit in real time, including temperature, pressure and flow, to ensure uniform conveyance of the material, and utilizes the first temperature heating tube and the second temperature heating tube to ensure that the material maintains an appropriate temperature during the conveying process. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic structural diagram of the main view of a sterilization melt-blown nonwoven fabric preparation system of the present invention;

[0030] Figure 2 It is a schematic structural diagram of a side view of a sterilizing meltblown nonwoven fabric preparation system of the present invention;

[0031] Figure 3 It is a structural schematic diagram of a multi-stage melt classification component in a sterilization melt-blown nonwoven fabric preparation system of the present invention;

[0032] Figure 4 It is a partial structural schematic diagram of a multi-stage melt classification component in a sterilization melt-blown nonwoven fabric preparation system of the present invention;

[0033] Figure 5 It is a schematic diagram of the internal structure of a first melter in a sterilization melt-blown nonwoven fabric preparation system of the present invention;

[0034] Figure 6 The schematic diagram of the installation position structure of the adapter conveying component in the sterilization melt-blown non-woven fabric preparation system of the present invention is shown in FIG.

[0035] Figure 7 It is a structural schematic diagram of an adaptable conveying component in a sterilizing melt-blown nonwoven fabric preparation system of the present invention;

[0036] Figure 8 It is a schematic diagram of the installation position structure of the injection control and adjustment component in a sterilization melt-blown non-woven fabric preparation system of the present invention;

[0037] Fig. 9 A schematic diagram of the internal structure of a nozzle control box in a sterilization melt-blown nonwoven fabric preparation system of the present invention;

[0038] Fig.10 This is a schematic diagram of the internal structure of a protective outlet shell in a sterilization meltblown nonwoven fabric preparation system of the present invention.

[0039] In the figure: 1. Multi-stage melting classification component; 101. Side bearing rotating frame; 102. Connecting side frame; 103. First melting device; 104. Driving energy-saving motor; 105. Two-way control brushless motor; 106. Second melting device; 107. Second pumping flow control pipe; 108. Fluid pressure adapter guide; 109. Two-way guide pipe; 1090. Pneumatic iris valve; 1010. Pumping three-way conduit; 1011. Three-way quick pipe line; 1012. Third melting device; 1013. First pumping flow control pipe; 1014. Ceramic heat exchanger group; 1015. Pumping material pipe; 1016. Electromagnetic coil structure; 1017. Rotating shaft column; 1018. Scraper; 1019. Heating and stirring structure; 2. Adaptation delivery Delivery assembly; 201, three-way delivery control inlet valve; 202, classification catheter; 203, catheter fluid monitor; 204, adapter guide pipe; 205, first temperature heating tube; 206, second temperature heating tube; 3, nozzle pressure detection sensor; 4, PID controller; 5, X-axis guide rail; 6, Y-axis guide rail; 7, horizontal guide groove frame; 8, electrostatic control ejector; 9, spinning collection plate; 10, injection control adjustment assembly; 1001, nozzle control box; 1002, fast classification pipe; 1003, plug-in fixed end; 1004, rotating motor; 1005, micro electromagnetic guide rod; 1006, protective outlet shell; 1007, pressure operation block; 1008, elastic damping spring; 1009, nozzle. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] In the present invention, reference is made to Figure 1-Figure 10 As shown: A sterilizing meltblown nonwoven fabric preparation system, comprising:

[0042] A multi-stage melting classification component 1 is installed and set up through a supporting structure, and is used to form a multi-stage melting operation, and set a different temperature gradient during each stage of melting, and form an independent feed, so as to ensure that molten resin materials of different materials can be transported in a classified manner;

[0043] The adaptor conveying component 2 is installed on the work frame table and is used to cooperate with the multi-stage melting classification component 1 to realize the conveying control of different molten resin materials, so that a non-woven fabric with a multi-layer composite structure that can improve its physical and chemical properties can be formed according to the preparation requirements of the non-woven fabric;

[0044] The jet control and adjustment component 10 is installed at the bottom of the work frame table and forms a conveying connection relationship with the adapting conveying component 2, and is used to spray fibers of different materials according to needs to form a non-woven fabric with a multi-layer composite structure;

[0045] The X-axis guide rail 5 is installed at the bottom of the working frame and forms a planar displacement adjustment structure with the Y-axis guide rail 6, which is used to form a controllable speed adjustment to drive the spinning collection plate 9 located at the bottom of the injection control adjustment component 10 to collect fiber yarns.

[0046] In the present invention, according to Figure 1-Figure 5 As shown, the multi-stage melting classification component 1 includes:

[0047] The side bearing rotating frame member 101, the connecting side frame 102, the first melter 103, the driving energy-saving motor 104 and the two-way control brushless motor 105, the side bearing rotating frame member 101 is fastened to the top of the supporting structure and is rotatably connected to the left end of the connecting side frame 102, the right end of the connecting side frame 102 is connected to the output end of the two-way control brushless motor 105, the first melter 103 is fastened to the inner side of the frame of the connecting side frame 102 through a hoop, the driving energy-saving motor 104 is installed on the right side frame surface of the connecting side frame 102, the output end of the driving energy-saving motor 104 is connected to a rotating shaft column 1017, the bottom end of the rotating shaft column 1017 is externally sleeved with a heating and stirring structure 1019, and the side of the heating and stirring structure 1019 is fastened with a scraper 1018.

[0048] A pneumatic iris valve 1090 is installed inside the first melter 103, and the pneumatic iris valve 1090 is used to separate the interior of the first melter 103 into two melting zones. The heating and stirring structure 1019 and the scraper blade 1018 are located in a melting zone at the bottom, and an electromagnetic coil structure 1016 is installed on the inner side of the other melting zone. The sides of the two melting zones are connected with a pumping material pipe 1015, and the sides of the two melting zones are installed with a ceramic heat exchanger group 1014. The side surface of the first melter 103 is connected with a first pumping flow control pipe 1013.

[0049] The side end of the first pumping flow control tube 1013 is connected to the fluid pressure adapter guide 108, the side end of the fluid pressure adapter guide 108 is connected to the second pumping flow control tube 107, the bottom end of the second pumping flow control tube 107 is connected to the second melter 106, the internal heating and stirring structure of the second melter 106 is connected to the output end of the other side of the two-way control brushless motor 105, and the external sleeve of the internal heating and stirring structure of the second melter 106 is installed with an electromagnetic heating coil control structure, the other side end of the fluid pressure adapter guide 108 is connected to the two-way guide tube 109, the bottom of the two-way guide tube 109 is connected to the third melter 1012, the top of the third melter 1012 is connected to the pumping three-way conduit 1010, the side end of the pumping three-way conduit 1010 is connected to the three-way quick pipe line 1011, and high-precision temperature sensors are embedded in the two melting zones inside the bodies of the first melter 103, the second melter 106 and the third melter 1012.

[0050] In a specific solution, resin materials of different materials are respectively input into two melting zones of the first melter 103, and the interior of the first melter 103 is divided into two melting zones by a pneumatic iris valve 1090 to ensure that the resin materials of different materials are melted in different melting zones, and nano silver ions are added to the first melter 103, aramid fibers and carbon fibers with optimized ratios are added to the second melter 106, and polyester fibers and cotton fibers with optimized ratios are added to the third melter 1012, and then the heating and stirring structure 1019 drives the rotating shaft connected to the output end of the energy-saving motor 104. The column 1017 rotates to ensure uniform mixing of the molten resin material, and the scraper blade 1018 ensures uniform distribution of the molten resin material in the melting zone to avoid local overheating or overcooling. Secondly, the pumping material pipe 1015 is used to transport the uniformly mixed molten resin material to another melting zone, so that the electromagnetic coil structure 1016 is connected to the external PLC controller, and the electromagnetic heating is used to ensure the uniform temperature of the molten resin material. In cooperation with the high-precision temperature sensor, when the two melting zones are performing melting operations at different stages, the installed ceramic heat exchanger group 1014 is used to ensure uniform heat transfer, thereby providing High melting efficiency, then the first pumping flow control tube 1013 is connected to the side surface of the first melter 103 to ensure the flow control of the molten resin material, and the fluid pressure of the molten resin material is adjusted by the fluid pressure adapter guide 108 to ensure the flow control of different melting zones, and then according to the operation requirements, the second melter 106 and the third melter 1012 are started, that is, the internal heating and stirring structure of the second melter 106 is connected to the output end of the other side of the two-way control brushless motor 105 to ensure the uniform mixing of the molten resin material, and the electromagnetic heating coil control structure is synchronously heated by electromagnetic heating, To ensure that the temperature of the molten resin material is uniform, the third melter 1012 performs stage operations in two melting zones synchronously with the first melter 103 and the second melter 106. Afterwards, with the cooperation of the pumping three-way conduit 1010 and the three-way quick-connect line 1011, the molten resin material fluids produced by the first melter 103, the second melter 106 and the third melter 1012 are controlled and transported respectively, effectively ensuring that molten resin materials of different materials can be transported in a classified manner, facilitating the subsequent formation of a non-woven fabric with a multi-layer composite structure, improving its physical and chemical properties, and providing a guarantee for the quality and performance of the overall product.

[0051] In the present invention, according to Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the adapter conveying component 2 includes:

[0052] The three-way guide regulating inlet valve 201, the classification catheter 202, the catheter fluid monitor 203 and the adapter guide tube 204, the classification catheter 202 is connected to the three-way quick-connect line 1011 through the side end of the three-way guide regulating inlet valve 201, the catheter fluid monitor 203 forms two groups and is respectively located outside the classification catheter 202 for monitoring, the side end of the classification catheter 202 is connected to the adapter guide tube 204, and the left and right ends of the adapter guide tube 204 are respectively connected to the first temperature heating tube 205 and the second temperature heating tube 206.

[0053] In a specific solution, when the generated molten resin material fluid is controlled and transported, the molten resin materials of different materials are transported to the three-way transport regulating inlet valve 201 through the three-way quick-connect line 1011, and the switch and direction of the three-way transport regulating inlet valve 201 are controlled by an external PLC controller to ensure that the material can be transported to different branches of the classification conduit 202 as needed. Then, the conduit fluid monitor 203 is used to monitor the fluid state in the classification conduit 202 in real time, including temperature, pressure and flow, and under the control of the external PLC controller, the feedback signal of the conduit fluid monitor 203 is received in real time to automatically adjust the three-way transport regulating inlet valve 201. Control the switch and direction of the inlet valve 201 to ensure uniform transportation of the material, so that the side end of the classification conduit 202 is connected with the adapter guide pipe 204, ensuring that the material can be smoothly transported to the subsequent first temperature heating pipe 205 and the second temperature heating pipe 206, and then use electromagnetic heating to ensure that the material maintains an appropriate temperature during the transportation process, and automatically adjust the power of the electromagnetic heating through an external PLC controller to ensure temperature stability and uniformity. After that, the adapter guide pipe 204 transports the molten resin material transported by the classification conduit 202 to the subsequent rapid classification connecting pipe 1002, ensuring that the material maintains an appropriate temperature and state during the transportation process.

[0054] In the present invention, according to Figure 2 , Figure 8 , Fig. 9 and Fig.10 As shown, the injection control adjustment component 10 includes:

[0055] A nozzle control box 1001, a quick-sorting pipe 1002, a plug-in fixed end 1003 and a rotating motor 1004, the nozzle control box 1001 is installed at the bottom of the operating frame, the side ends of the quick-sorting pipe 1002 are connected to the first temperature heating tube 205 and the second temperature heating tube 206 respectively, the side end of the plug-in fixed end 1003 is plugged and connected with a nozzle 1009, the nozzle 1009 is arranged in multiple groups, the top ends of the multiple groups of nozzles 1009 are externally sleeved with elastic damping springs 1008, and a protective outlet shell 1006 is installed at the bottom of the rotating motor 1004.

[0056] A plurality of sliding grooves are evenly spaced apart on the surface of the protective outlet shell 1006, and a pressure operation block 1007 is sleeved on the outer top of the plurality of injection heads 1009. The pressure operation block 1007 is slidably connected in the sliding groove. A plurality of miniature electromagnetic guide rods 1005 are installed on the top of the nozzle control box 1001. The plurality of miniature electromagnetic guide rods 1005 are used to apply pressure to the pressure operation block 1007, so as to drive the injection head 1009 to shift and operate at the bottom end of the protective outlet shell 1006.

[0057] In a specific solution, when molten resin materials of different materials are transported to the fast classification pipe 1002 through the adapter guide pipe 204, the classification pipe 1002 can connect the molten resin materials of different materials to the injection head 1009 by plugging the fixed end 1003 according to the fast demand, and form a classification transmission channel. Then, when it is necessary to operate, the rotating motor 1004 drives the protective outlet shell 1006 to rotate, thereby driving the injection head 1009 to rotate, ensuring that the injection head 1009 can be positioned and stopped at different positions, and the fast classification pipe 1002 can use the pipe winding rack to connect the fast classification pipe 1002 to the injection head 1009 during the rotation. 002 is wrapped and sleeved, so that under the rotation control of the rotating motor 1004, the protective outlet shell 1006 can form a reverse rotation adjustment after rotating a circle, so as to avoid excessive rotation and cause the quick classification pipe 1002 to be entangled and fall off. Secondly, when the injection head 1009 reaches the predetermined injection position, the micro electromagnetic guide rod 1005 is used to apply downward pressure to the pressure operation block 1007, so as to drive the different groups of connected injection heads 1009 to synchronously shift and operate at the bottom end of the protective outlet shell 1006, so that the injection head 1009 can spray molten resin materials of different materials as needed under the control of the external PLC controller to form a non-woven fabric with a multi-layer composite structure.

[0058] In the present invention, according to Figure 1 , Figure 2 , Figure 6 and Figure 8 As shown, the left and right ends of the Y-axis guide rail 6 are slidably connected to a transverse guide groove frame 7 through a sliding groove member, and the transverse guide groove frame 7 is fastened to the side frame legs of the working frame.

[0059] The top of the transverse guide groove frame 7 is connected with an electrostatically controlled injector 8, which is used to spray electrostatic particles so that the fiber can be quickly cooled and solidified in the air, and a nozzle pressure detection sensor 3 and a PID controller 4 are respectively installed on the top of the working frame.

[0060] In a specific solution, after the molten resin material of different materials is sprayed on demand as mentioned above, an electrostatically controlled injector 8 is used to generate electrostatic particles through a high-voltage electric field, so that the ejected fiber belt is charged with static electricity and quickly cooled and solidified in the air to avoid adhesion or deformation of the fiber during the collection process, thereby improving the fineness and uniformity of the fiber. Then, the X-axis guide rail 5 and the Y-axis guide rail 6 are used to form a planar displacement adjustment structure for forming a controllable rate adjustment to drive the spinning collection plate 9 located at the bottom of the injector head 1009 to collect fiber filaments.

[0061] The wiring diagram of the energy-saving driving motor 104, the two-way control brushless motor 105, the fluid pressure adapter guide 108, the nozzle pressure detection sensor 3, the PID controller 4, the electrostatic control injector 8, the micro electromagnetic guide rod 1005 and the high-precision temperature sensor in the present invention belongs to the common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use. Therefore, the control method and wiring arrangement of the energy-saving driving motor 104, the two-way control brushless motor 105, the fluid pressure adapter guide 108, the nozzle pressure detection sensor 3, the PID controller 4, the electrostatic control injector 8, the micro electromagnetic guide rod 1005 and the high-precision temperature sensor are no longer explained in detail, and the first melter 103, the second melter 106 and the third melter 1012 in this document are not fixed as three groups, and can be added or deleted according to needs, and the connected pumping three-way conduit 1010, the three-way quick pipe line 1011, the three-way guide control inlet valve 201 and the classification conduit 202 are modified synchronously.

[0062] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sterilizing meltblown nonwoven fabric preparation system, characterized in that: Included are: A multi-stage melting classification component (1) is installed and erected via a supporting structure, and is used to form a multi-stage melting operation, and to set a different temperature gradient during each stage of melting, and to form an independent material supply, so as to ensure that molten resin materials of different materials can be transported in a classified manner; An adaptable conveying component (2) is installed on the work frame table and is used to cooperate with the multi-stage melting classification component (1) to realize the conveying control of different molten resin materials, so that a non-woven fabric with a multi-layer composite structure that can improve its physical and chemical properties can be formed according to the requirements of non-woven fabric preparation; A jet control and adjustment component (10) is installed at the bottom of the work frame table and forms a conveying connection relationship with the adapting conveying component (2) and is used to spray fibers of different materials according to demand to form a non-woven fabric with a multi-layer composite structure; An X-axis guide rail (5) is installed at the bottom of the working frame and forms a plane displacement adjustment structure with the Y-axis guide rail (6) for forming a controllable speed adjustment to drive the spinning collection plate (9) located at the bottom of the jet control adjustment component (10) to collect fiber yarns; The multi-stage melting classification component (1) comprises: a side bearing rotating frame (101), a connecting side frame (102), a first melter (103), a driving energy-saving motor (104) and a bidirectional control brushless motor (105); the side bearing rotating frame (101) is fastened to the top of the support structure and is rotatably connected to the left end of the connecting side frame (102); the right end of the connecting side frame (102) is connected to the output end of the bidirectional control brushless motor (105); the first melter (103) is fastened to the inner side of the frame of the connecting side frame (102) through a hoop; the driving energy-saving motor (104) is installed on the right side surface of the frame of the connecting side frame (102); the output end of the driving energy-saving motor (104) is connected to a rotating shaft column (1017); the bottom end of the rotating shaft column (1017) is externally sleeved with a heating and stirring structure (1019); the side of the heating and stirring structure (1019) is fastened with a scraper (1018); A pneumatic iris valve (1090) is installed inside the first melter (103), and the pneumatic iris valve (1090) is used to separate the inside of the first melter (103) into two melting zones. The heating and stirring structure (1019) and the scraper blade (1018) are located in a melting zone at the bottom, and an electromagnetic coil structure (1016) is installed inside the other melting zone. The sides of the two melting zones are connected to a pumping material pipe (1015), and the sides of the two melting zones are both installed with a ceramic heat exchanger group (1014). The side surface of the first melter (103) is connected to a first pumping flow control pipe (1013); The injection control and adjustment component (10) comprises: a nozzle control box (1001), a quick-sorting pipe (1002), a plug-in fixed end (1003) and a rotating motor (1004); the nozzle control box (1001) is installed at the bottom of the operating frame; the side ends of the quick-sorting pipe (1002) are connected to the first temperature heating tube (205) and the second temperature heating tube (206), respectively; the side ends of the plug-in fixed end (1003) are plug-in connected to the injection head (1009); the injection head (1009) is arranged in a plurality of groups; the top ends of the plurality of groups of injection heads (1009) are externally sleeved with elastic damping springs (1008); and a protective outlet shell (1006) is installed at the bottom of the rotating motor (1004).

2. The sterilization meltblown nonwoven fabric preparation system according to claim 1, characterized in that: The side end of the first pumping flow control tube (1013) is connected to a fluid pressure adapter guide (108), the side end of the fluid pressure adapter guide (108) is connected to a second pumping flow control tube (107), the bottom end of the second pumping flow control tube (107) is connected to a second melter (106), the internal heating and stirring structure of the second melter (106) is connected to the output end of the other side of the two-way control brushless motor (105), and the external sleeve of the internal heating and stirring structure of the second melter (106) is equipped with an electromagnetic heating coil control structure The other side end of the fluid pressure adapter guide (108) is connected to a two-way guide tube (109), the bottom of the two-way guide tube (109) is connected to a third melter (1012), the top of the third melter (1012) is connected to a pumping three-way conduit (1010), the side end of the pumping three-way conduit (1010) is connected to a three-way quick-release pipe (1011), and high-precision temperature sensors are embedded in the two melting zones inside the bodies of the first melter (103), the second melter (106) and the third melter (1012).

3. The sterilization meltblown nonwoven fabric preparation system according to claim 2, characterized in that: The adapting conveying assembly (2) comprises: a three-way conveying regulating inlet valve (201), a classification conduit (202), a conduit fluid monitor (203) and an adapting conveying pipe (204); the classification conduit (202) is connected to a three-way quick-release pipe (1011) via a side end of the three-way conveying regulating inlet valve (201); the conduit fluid monitor (203) forms two groups and is respectively located outside the classification conduit (202) for monitoring; the side end of the classification conduit (202) is connected to the adapting conveying pipe (204); and the left and right ends of the adapting conveying pipe (204) are respectively connected to a first temperature heating pipe (205) and a second temperature heating pipe (206).

4. The sterilization meltblown nonwoven fabric preparation system according to claim 3, characterized in that: A plurality of groups of sliding grooves are evenly spaced apart on the surface of the protective outlet shell (1006); a plurality of groups of the top ends of the spray heads (1009) are externally sleeved with pressure operation blocks (1007); the pressure operation blocks (1007) are slidably connected in the sliding grooves; a plurality of groups of micro-electromagnetic guide rods (1005) are installed at the top end of the spray head control box (1001); the plurality of groups of the micro-electromagnetic guide rods (1005) are used to apply pressure to the pressure operation blocks (1007), so as to drive the spray heads (1009) to shift and operate at the bottom end of the protective outlet shell (1006).

5. The sterilization meltblown nonwoven fabric preparation system according to claim 4, characterized in that: The left and right ends of the Y-axis guide rail (6) are slidably connected to a transverse guide groove frame (7) via a sliding groove member, and the transverse guide groove frame (7) is fastened to the side frame legs of the working frame body.

6. The sterilization meltblown nonwoven fabric preparation system according to claim 5, characterized in that: The top of the transverse guide groove frame (7) is connected to an electrostatically controlled ejector (8), which is used to eject electrostatic particles so that the fibers are quickly cooled and solidified in the air, and a nozzle pressure detection sensor (3) and a PID controller (4) are respectively installed on the top of the operating frame.

7. A method for preparing a sterilizing meltblown nonwoven fabric preparation system, characterized in that: The sterilization melt-blown nonwoven fabric preparation system according to claim 6 is used, comprising the following steps: S1. First, the resin material to be used is classified and injected into the multi-stage melting classification component (1), and according to the application requirements, nano-silver ions are added to the first melter (103), aramid fibers and carbon fibers with optimized ratios are added to the second melter (106), and polyester fibers and cotton fibers with optimized ratios are added to the third melter (1012); S2, then, the melting process of the first melter (103), the second melter (106) and the third melter (1012) is divided into multiple stages, and the temperature of each stage is gradually increased, and with the cooperation of a high-precision temperature sensor, an external PLC controller is used to monitor and adjust the temperature of each melting zone in real time; S3. Secondly, using the adaptor conveying assembly (2) to perform separate feeding and control, to ensure that the molten resin material of each material is fully melted and evenly mixed before entering the nozzle; S4. Afterwards, in cooperation with the injection control and adjustment component (10), the nozzle pressure detection sensor (3) and the PID controller (4) are used to ensure the synchronization of injection of the multiple injection heads (1009) to avoid unclear layers caused by differences in injection time.

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