High-performance sound-absorbing and heat-insulating material production system

Abstract

The invention discloses a high-performance sound-absorbing and heat-insulating material production system, and relates to the technical field of melt-blown cloth production, the high-performance sound-absorbing and heat-insulating material production system comprises an equipment main body, the equipment main body comprises a fixing frame, and further comprises an extrusion assembly, a melt-blowing assembly, an adjusting assembly and a forming assembly, the extrusion assembly comprises an extruder fixed at the top of the fixing frame, and the extruder comprises a filtering assembly; the melt-blowing assembly comprises a melt-blowing body fixed to the bottom of the fixing frame, a flow guiding piece, a spinning piece, a guiding-out piece, a fastening piece and a ventilation piece are arranged in the melt-blowing body, the adjusting assembly comprises an adjusting cylinder arranged in the melt-blowing assembly, and a first sealing piece is connected into the adjusting cylinder in a sealed and sliding mode. The end, extending into the adjusting cylinder, of the first sealing piece is fixedly connected with an adjusting rod. The pressure of high-pressure molten plastic in the sub-runners is adjusted through compression and relaxation of the first elastic pieces, and therefore the problem that the diameter of plastic fibers ejected out of the spinneret orifices is not uniform due to pressure fluctuation of the molten plastic in the sub-runners is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of meltblown cloth production, and in particular to a high-performance sound-absorbing and heat-insulating material production system. Background Art

[0002] Meltblown cloth is composed of a large number of randomly distributed ultrafine fibers, which are interwoven to form abundant pores. When sound waves are transmitted into the meltblown cloth, they are constantly reflected and refracted in these pores. The energy of the sound waves will be continuously consumed in this process, part of which is converted into the vibration energy of the fiber, and then converted into heat energy and dissipated through the internal friction of the fiber, thereby achieving the effect of sound absorption. Moreover, its pore size and distribution are relatively uniform, and it can have a certain absorption effect on sound waves of different frequencies, and can achieve good sound absorption performance in a wider frequency range. The ultrafine fibers in the meltblown cloth are interwoven to form a dense network structure, which can effectively block thermal radiation and thermal convection. For thermal radiation, the fibers can absorb and reflect part of the heat and reduce the transfer of heat; for thermal convection, the presence of fibers disrupts the flow path of the air, hindering the convection movement of the air, thereby reducing the efficiency of thermal convection and further enhancing the thermal insulation effect.

[0003] Chinese patent application number 202010515004.9 discloses a meltblown cloth and a device for processing the meltblown cloth, including a meltblown machine base, one end of the meltblown machine base is fixedly connected to a metering pump, the input end of the metering pump is electrically connected to the output end of the mains, one end of the metering pump is fixedly connected to a melt filter, one side of the melt filter is fixedly connected to an extruder, and the other end of the meltblown machine base is provided with a solid material adding mechanism. The present invention places functional additives on the top of the mixing chamber through a storage chamber, drives the driving protrusion to rotate through a servo motor, drives the feeding mesh plate to slide along the top of the feeding mesh plate through the cooperation of the driving protrusion and the transmission protrusion, and resets the feeding mesh plate through the action of the telescopic spring and the sliding plate, so that the additives in the storage chamber continue to fall into the mixing chamber evenly, so that the additives and the meltblown cloth are more firmly combined, and the additives are more uniform inside the meltblown cloth. However, during the production process, the above invention avoids the occurrence of air holes, uneven mixing of additives, loose connections, and brittleness and hardness in the meltblown cloth, thereby improving the final product quality of the meltblown cloth. However, due to the unstable pressure of the extruder when extruding the molten plastic, the plastic fiber has an uneven diameter when stretched by hot air, and the quality of the entire meltblown cloth cannot be guaranteed.

[0004] To this end, the present invention proposes a high-performance sound-absorbing and heat-insulating material production system to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a high-performance sound-absorbing and heat-insulating material production system to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-performance sound-absorbing and heat-insulating material production system, comprising an equipment main body, the equipment main body comprising a fixed frame, and also comprising an extrusion component, a meltblown component, an adjustment component and a molding component, the extrusion component comprising an extruder fixed on the top of the fixed frame; the meltblown component comprises a meltblown body fixed on the bottom of the fixed frame, and the meltblown body is respectively provided with a guide member, a spinneret member, a guide member, a fastener, and a vent member; the adjustment component comprises an adjustment cylinder arranged in the meltblown component, a first seal member is sealingly and slidingly connected in the adjustment cylinder, and an end of the first seal member extending into the adjustment cylinder is fixedly connected to an adjustment rod; the molding component comprises a mesh belt receiver arranged at the bottom of the meltblown body, and a trimming winder is arranged at one end of the mesh belt receiver away from the meltblown body.

[0007] Preferably, the outer wall of the adjusting rod in the adjusting cylinder is sleeved with a first elastic member, one end of the first elastic member is connected to the end of the first sealing member close to the adjusting rod, the other end of the first elastic member is connected to the inner bottom wall of the adjusting cylinder, a first placement cavity is provided in the first sealing member, and a second placement cavity is provided at the end of the adjusting rod close to the first seal, a second sealing member is sealingly and slidingly connected in the first placement cavity, an end of the second seal close to the adjusting rod is fixedly connected to a limiting rod, a second elastic member is provided in the second placement cavity, one end of the second elastic member is connected to an end of the limiting rod extending into the second placement cavity, and the other end of the second elastic member is connected to the inner bottom wall of the second placement cavity.

[0008] Preferably, the first placement cavity is communicated with the second placement cavity, a limiting long hole is formed on the outer wall of one end of the adjusting rod close to the first sealing member, the outer wall of one end of the limiting rod located in the second placement cavity is fixedly connected to a limiting column, the outer wall of one end of the limiting column extending into the limiting long hole is slidably connected to the inner wall of the limiting long hole, the number of the fasteners is two, and the two ends of the guide member and the spinneret are respectively fixedly connected to the fasteners, a sliding resistor is provided at the opposite end of each of the fasteners, and one end of each adjusting rod extending out of the fastener is fixedly connected to a sliding plate corresponding to the sliding resistor, wherein the sliding resistor is used to reflect the pressure condition of the molten plastic in the guide member and the spinneret.

[0009] Preferably, there are two flow guide members, which are arranged in a mirror image, and a main channel and a branch channel are respectively opened on opposite sides of each of the flow guide members, and placement grooves are respectively opened at both ends of each of the flow guide members. Each of the flow guide members is provided with a guide groove, and the placement groove is used to place an adjustment cylinder. The outer wall of the first sealing member is sealingly and slidingly connected to the inner wall of the guide groove, and the bottoms of the two flow guide members are fixedly connected to the top of the spinneret, and a branch groove is opened in the spinneret. The output end of the extruder is connected to the main channel opened by the flow guide member through a metering pump and a pipeline.

[0010] Preferably, a plurality of evenly distributed spinneret holes are provided at the bottom of the spinneret, each of the spinneret holes is connected to the diverter slot, a filter element is arranged inside the spinneret, the filter element has a plurality of evenly distributed filter holes, the filter element is respectively connected to the diverter slot and the diverter channel through the filter holes, and a guide element is fixedly connected to the bottom of the spinneret, the number of the guide elements is two and they are arranged in a mirror-image distribution along the spinneret holes.

[0011] Preferably, the top of the spinneret is provided with ventilation grooves symmetrically distributed along the spinneret hole, the bottom of the spinneret is provided with a plurality of evenly distributed through holes, each of the through holes is connected with the corresponding ventilation groove, each of the guide members is provided with an air supply hole, each of the guide members is provided with a plurality of evenly distributed connecting holes, and the connecting holes are respectively connected with the air supply hole and the corresponding ventilation groove.

[0012] Preferably, the outer wall of each of the flow guide members is provided with a plurality of gas storage grooves, and each of the gas storage grooves is provided with a plurality of holes connected with the gas transmission hole.

[0013] Preferably, there are two vents, one end of each of which is fixedly connected to the outer wall of a corresponding guide member, the vent is used to seal the air storage tank, each of which is provided with a plurality of ventilation pipes, and each of the ventilation pipes is connected to the corresponding air storage tank.

[0014] Preferably, two air inlet pipes are respectively provided at both ends of the meltblown body, each of the air inlet pipes is connected to a plurality of ventilation pipes through a pipeline, and one end of each air inlet pipe extending out of the meltblown body is connected to the output end of the warm air device through a pipeline.

[0015] Preferably, the device body includes a controller, and the controller is electrically connected to the sliding resistor, the control motor of the extruder, the drive motor of the mesh belt receiver and the heating device respectively.

[0016] The beneficial effects of the present invention are: 1. The present invention adjusts the pressure of the high-pressure molten plastic in the branch channel by compressing and relaxing the first elastic member, thereby preventing the problem of uneven diameter of the plastic fibers ejected through the spinneret holes caused by pressure fluctuations of the molten plastic in the branch channel.

[0017] 2. The present invention adjusts the movement of the adjustment rod and the change of the resistance value of the sliding resistor. In the later stage of production, the driving motor of the mesh belt receiver is fine-tuned through the controller through the feedback of the sliding resistor, thereby preventing the molten plastic ejected through the spinneret hole from accumulating too much or too little on the mesh belt receiver under the action of hot air due to pressure fluctuations in the branch channel, thereby preventing the meltblown cloth from wrinkling.

[0018] 3. The present invention performs pressure compensation and fine-tuning on the molten plastic in the branch channel through the compression and relaxation of the second elastic member, thereby ensuring the stability of the pressure of the molten plastic ejected through the spinneret holes at both ends of the spinneret, ensuring the uniformity of the diameter of the molten plastic after being stretched by warm air, and preventing the problem of uneven meltblown cloth injection limit caused by the large relaxation and compression distance and adjustment force of the first elastic member, which cannot be fine-tuned, resulting in the controller frequently adjusting the conveying speed of the mesh belt receiver. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 It is a schematic diagram of the local structure of the present invention.

[0021] Figure 3 It is a schematic diagram of the structure of the network belt receiver of the present invention.

[0022] Figure 4 It is a schematic diagram of the meltblown main structure of the present invention.

[0023] Figure 5 It is a schematic cross-sectional view of the meltblown body of the present invention.

[0024] Figure 6 It is a schematic diagram of the branch channel structure of the present invention.

[0025] Figure 7 It is a schematic cross-sectional view of the spinneret of the present invention at the through hole.

[0026] Figure 8 It is a schematic cross-sectional view of the flow guide of the present invention at the hole.

[0027] Fig. 9 It is a schematic cross-sectional view of the regulating cylinder of the present invention.

[0028] Fig.10 It is an exploded view of the spinneret of the present invention.

[0029] Fig.11 This is an exploded view of the regulating cylinder of the present invention.

[0030] The accompanying drawings are marked as follows: 1. Equipment body; 101. Fixed frame; 2. Extrusion assembly; 21. Extruder; 3. Meltblown assembly; 31. Meltblown body; 311. Air inlet pipe; 32. Guide piece; 321. Main channel; 322. Branch channel; 323. Placement slot; 324. Guide slot; 325. Air delivery hole; 326. Communication hole; 327. Air storage tank; 328. Hole; 33. Spinneret; 331. Branch slot; 332. Spinneret hole; 333. Filter; 334. Ventilation slot; 335. Through hole; 34. Lead-out piece; 35. Fastener; 36. Ventilation piece; 361. Ventilation pipe; 4. Adjustment assembly; 41. Adjustment cylinder; 42. First sealing member; 421. First placement cavity; 43. Adjustment rod; 431. Second placement cavity; 432. Limiting long hole; 44. First elastic member; 45. Second sealing member; 46. Limiting rod; 461. Limiting column; 47. Second elastic member; 5. Forming assembly; 51. Mesh belt receiver; 52. Trimming and winding machine. DETAILED DESCRIPTION

[0031] 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 described embodiments 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 those skilled in the art without creative work are within the scope of protection of the present invention.

[0032] Embodiment 1 See also Figures 1 to 11A high-performance sound-absorbing and heat-insulating material production system according to an embodiment of the present invention comprises an equipment body 1, the equipment body 1 comprises a fixed frame 101, and also comprises an extrusion component 2, a melt-blown component 3, an adjustment component 4 and a molding component 5, the extrusion component 2 comprises an extruder 21 fixed on the top of the fixed frame 101, wherein the extruder 21 is a prior art and will not be described in detail herein, the extruder 21 comprises a filtering component, the melt-blown component 3 comprises a melt-blown body 31 fixed on the bottom of the fixed frame 101, and the melt-blown body 31 is respectively provided with a flow guide 32, a spinneret 33, and a guide 34 , fasteners 35, and vents 36; the adjusting component 4 includes an adjusting cylinder 41 arranged in the meltblown component 3, and a first sealing component 42 is sealingly and slidingly connected in the adjusting cylinder 41, and one end of the first sealing component 42 extending into the adjusting cylinder 41 is fixedly connected to an adjusting rod 43; the forming component 5 includes a mesh belt receiver 51 arranged at the bottom of the meltblown body 31, wherein the mesh belt receiver 51 is a prior art and will not be described in detail here, and a trimming winder 52 is arranged at one end of the mesh belt receiver 51 away from the meltblown body 31, wherein the trimming winder 52 is a prior art and will not be described in detail here.

[0033] See also Figure 5 , Figure 6 , Fig. 9 and Fig.11 The outer wall of the adjusting rod 43 in the adjusting cylinder 41 is sleeved with a first elastic member 44, wherein the first elastic member 44 is a spring, one end of the first elastic member 44 is connected to one end of the first sealing member 42 close to the adjusting rod 43, and the other end of the first elastic member 44 is connected to the inner bottom wall of the adjusting cylinder 41, a first placement cavity 421 is provided in the first sealing member 42, and a second placement cavity 431 is provided at one end of the adjusting rod 43 close to the first sealing member 42, a second sealing member 45 is sealingly and slidably connected in the first placement cavity 421, and one end of the second sealing member 45 close to the adjusting rod 43 is fixedly connected to the limiting rod 46, and a second elastic member 47 is provided in the second placement cavity 431, wherein the second elastic member 47 is a spring, one end of the second elastic member 47 is connected to one end of the limiting rod 46 extending into the second placement cavity 431, and the second elastic member 4 The other end of 7 is connected to the inner bottom wall of the second placement cavity 431, the first placement cavity 421 is communicated with the second placement cavity 431, a limiting long hole 432 is provided on the outer wall of one end of the adjusting rod 43 close to the first sealing member 42, the limiting rod 46 is located in the second placement cavity 431 and the outer wall is fixedly connected to the limiting column 461 at one end, the limiting column 461 extends into the outer wall of one end of the limiting long hole 432 and is slidably connected to the inner wall of the limiting long hole 432, the number of fasteners 35 is two, and the two ends of the guide member 32 and the spinneret member 33 are respectively fixedly connected to the fasteners 35, a sliding resistor is provided at the opposite end of each fastener 35, and one end of each adjusting rod 43 extending out of the fastener 35 is fixedly connected to the sliding plate corresponding to the sliding resistor, wherein the sliding resistor is used to reflect the pressure condition of the molten plastic in the guide member 32 and the spinneret member 33.

[0034] See also Figure 5 , Figure 6 ,and Figure 8 There are two flow guides 32, which are arranged in a mirror image. A main channel 321 and a branch channel 322 are respectively opened on the opposite side of each flow guide 32. A placement groove 323 is respectively opened at both ends of each flow guide 32. Each flow guide 32 is opened with a guide groove 324. The placement groove 323 is used to place the adjustment cylinder 41. The outer wall of the first sealing member 42 is sealed and slidably connected with the inner wall of the guide groove 324. The bottoms of the two flow guides 32 are fixedly connected to the top of the spinneret 33. A branch groove 331 is opened in the spinneret 33. The output end of the extruder 21 is connected to the main channel 321 opened by the flow guide 32 through a metering pump and a pipeline, respectively. Figure 7 and Fig.10 The bottom of the spinneret 33 is provided with a plurality of evenly distributed spinneret holes 332, each of which is connected to the diverter slot 331. A filter 333 is provided in the spinneret 33, and the filter 333 is provided with a plurality of evenly distributed filter holes. The filter 333 is connected to the diverter slot 331 and the diverter channel 322 through the filter holes. The bottom of the spinneret 33 is fixedly connected with a guide 34. It should be noted that after the guide 34 is assembled and fixed to the bottom of the spinneret 33, there is a gap between the guide of the guide 34 and the bottom of the spinneret 33. For details, please refer to Figure 7 and Figure 8 There are two outlet members 34 and they are arranged in a mirror image along the spinneret hole 332. A ventilation groove 334 is provided on the top of the spinneret 33 and is symmetrically distributed along the spinneret hole 332. A plurality of evenly distributed through holes 335 are provided at the bottom of the spinneret 33. Each through hole 335 is connected to the corresponding ventilation groove 334. A gas delivery hole 325 is provided in each guide member 32. A plurality of evenly distributed connecting holes 326 are provided in each guide member 32. The connecting holes 326 are respectively connected to the gas delivery hole 325 and the corresponding ventilation groove 334. A plurality of gas storage grooves 327 are provided on the outer wall of each guide member 32. A plurality of holes 328 connected to the gas delivery hole 325 are provided in each gas storage groove 327. Figure 8 and Fig.10 There are two vents 36 , one end of each vent 36 is fixedly connected to the outer wall of the corresponding guide member 32 , the vent 36 is used to seal the air storage tank 327 , each vent 36 is provided with a plurality of vent pipes 361 , and each vent pipe 361 is connected to the corresponding air storage tank 327 .

[0035] See also Figures 1 to 5Two air inlet pipes 311 are respectively provided at both ends of the meltblown body 31, each of which is connected to a plurality of ventilation pipes 361 through a pipeline, and one end of each air inlet pipe 311 extending out of the meltblown body 31 is connected to the output end of the warm air device through a pipeline. The device body 1 includes a controller, which is electrically connected to the sliding resistor, the control motor of the extruder 21, the drive motor of the mesh belt receiver 51 and the warm air device.

[0036] When in use, firstly, the plastic to be melted is placed in the discharge barrel of the extruder 21, and a suitable heating temperature is set according to the characteristics of the added plastic. After the plastic in the extruder 21 is melted, it passes through the extruder 21. The screw motor of the extruder 21 is energized through the controller, so that the molten plastic in the extruder 21 is transported to the output end of the extruder 21 under the action of the continuous rotation of the screw. The high-pressure molten plastic enters the filter component through the output end of the extruder 21, wherein the filter component filters the plastic extruded by the extruder 21 to prevent impurities from being transported to the next process step. The filtered molten plastic The plastic enters the metering pump through the connecting pipe, and the high-pressure molten plastic enters the main channel 321 opened in the guide member 32 through the metering pump and the conveying pipeline. The high-pressure molten plastic in the main channel 321 is dispersed into the branch channel 322. The molten plastic enters the branch groove 331 opened in the spinneret 33 through the branch channel 322 and the filter 333. The high-pressure molten plastic in the branch groove 331 enters the multiple spinneret holes 332 respectively. The high-pressure molten plastic is ejected through the multiple uniformly arranged spinneret holes 332. At the same time, the warm air device continuously supplies the multiple air inlet pipes 311 through the pipeline. The high-temperature gas is transported. The high-temperature gas in the air inlet pipe 311 enters into the multiple ventilation pipes 361 through the pipelines. The high-temperature gas in the ventilation pipe 361 enters into the gas storage tank 327 through the ventilation piece 36. The high-temperature gas in the gas storage tank 327 enters into the gas delivery hole 325 through the hole 328. The high-temperature gas in the gas delivery hole 325 enters into the ventilation groove 334 through the connecting hole 326. The high-temperature gas in the ventilation groove 334 enters into the gap between the outlet piece 34 and the spinneret 33 through the multiple through holes 335. The high-temperature gas passes through the outlet piece 34 and the spinneret 33. The high-temperature gas is discharged through the gap between the outlet piece 34 and the spinneret piece 33, and at the same time, the molten plastic ejected through the multiple spinneret holes 332 is further stretched and thinned under the action of the hot air, so that the diameter of the molten plastic stretched by the hot air is within a suitable range. At the same time, the molten plastic stretched by the hot air is continuously gathered toward the mesh belt receiver 51 under the action of the strong airflow. At the same time, it is continuously transported by the conveyor belt of the mesh belt receiver 51, so that the molten plastic stretched by the hot air is cooled into a net, and finally cut and wound by the trimming winder 52 to complete the production of the sound-absorbing and heat-insulating material.

[0037] Embodiment 2 It was found when using the above embodiment that although the above embodiment can realize the production of sound-absorbing and heat-insulating materials, there is still a problem of unstable pressure of the extruder 21 during transportation due to the presence of bubbles in the molten plastic in the extruder 21, resulting in uneven diameter of the molten plastic fibers. For this reason, further improvements are made on the basis of the above embodiment.

[0038] When used on the basis of the above embodiment, the high-pressure molten plastic enters the branch channel 322 through the main channel 321, and at the same time, under the high pressure of the high-pressure molten plastic, the high-pressure molten plastic squeezes the first sealing member 42, and the high-pressure molten plastic squeezes the first sealing member 42 into the adjusting cylinder 41 for storage. At the same time, the first sealing member 42 continuously squeezes the first elastic member 44 while moving in the adjusting cylinder 41, and the high-pressure molten plastic stores energy through the first elastic member 44. At the same time, the movement of the first sealing member 42 drives the adjusting rod 43 to move synchronously, and the movement of the adjusting rod 43 drives the sliding piece of the sliding resistor to move. When the sliding piece moves, the resistance value of the sliding resistor also changes accordingly. The controller analyzes the pressure and flow condition of the high-pressure molten plastic in the branch channel 322 according to the change in the resistance value of the sliding resistor.

[0039] When the high-pressure molten plastic enters the branch channel 322 at a high speed through the main channel 321, a comparative analysis can be performed through the moving distance of the adjusting rod 43 in the adjusting cylinder 41 located at both ends of the guide member 32 and the resistance value fed back to the controller by the sliding resistor. The flow condition of the high-pressure molten plastic in the branch channel 322 can be judged by the change in the resistance value of the sliding resistor. At the same time, the high-pressure molten plastic in the branch channel 322 is stored in the adjusting cylinder 41 to prevent the poor fluidity of the molten plastic in the branch channel 322 far from the two ends of the main channel 321, resulting in the accumulation of molten plastic in the spinneret hole 332 due to the poor fluidity of the plastic. The poor fluidity of the molten plastic will cause part of the plastic to stay in the branch channel 322 and the spinneret hole 332 for too long, resulting in chemical reactions such as overheating and decomposition. The corrosive substances produced will corrode the nozzle material and further damage the nozzle.

[0040] When the high-pressure molten plastic output by the extruder 21 experiences pressure fluctuations, the pressure of the high-pressure molten plastic in the branch channel 322 is adjusted by compression and relaxation of the first elastic member 44, thereby preventing the problem of uneven diameter of the plastic fibers ejected through the spinneret hole 332 caused by pressure fluctuations of the molten plastic in the branch channel 322.

[0041] At the same time, by adjusting the movement of the rod 43 and the change in the resistance value of the sliding resistor, in the later stage of production, the driving motor of the mesh belt receiver 51 is fine-tuned through the controller through the feedback of the sliding resistor, thereby preventing the molten plastic ejected through the spinneret hole 332 from accumulating too much or too little in the mesh belt receiver 51 due to the pressure fluctuation in the branch channel 322 under the action of hot air, thereby preventing the meltblown cloth from having wrinkles.

[0042] Embodiment 3 On the basis of the above-mentioned embodiments, it is found in actual use that although the pressure of the high-pressure molten plastic in the bypass channel 322 can be adjusted by the expansion and compression of the first elastic member 44, at the same time, in the middle and late stages of production, the sliding resistor slider is driven by the adjusting rod 43, and the change in the resistance of the sliding resistor is fed back to the controller, and the conveying speed of the mesh belt receiver 51 is adjusted by the controller to ensure that the limit diameter is uniform during meltblowing and prevent wrinkles in the meltblown cloth. However, due to the large expansion and compression distance and adjustment force of the first elastic member 44, fine-tuning cannot be performed, resulting in the controller frequently adjusting the conveying speed of the mesh belt receiver 51, resulting in uneven meltblown cloth spraying limit problems, affecting the quality of the meltblown cloth and the sound absorption and heat insulation effects. For this reason, this embodiment is specially invented on the basis of the above-mentioned embodiments.

[0043] When used on the basis of the above embodiment, when the high-pressure molten plastic enters the branch channel 322 through the main channel 321, the high-pressure molten plastic squeezes the second sealing member 45, so that the second sealing member 45 moves in the first placement cavity 421 under the extrusion of the high-pressure molten plastic. When the second sealing member 45 moves in the first placement cavity 421, the high-pressure molten plastic enters the first placement cavity 421 for storage. At the same time, the second sealing member 45 moves in the first placement cavity 421 while driving the limiting rod 46 to move in the second placement cavity 431 opened by the adjusting rod 43. When the limiting rod 46 moves in the second placement cavity 431, it drives the limiting column 461 to move in the limiting long hole 432. At the same time, the limiting rod 46 continuously squeezes the second elastic member 47. When the second elastic member 47 is compressed to the maximum limit position, as the high-pressure molten plastic in the bypass channel 322 is continuously squeezed, the high-pressure molten plastic squeezes the first sealing member 42, and the high-pressure molten plastic squeezes the first sealing member 42 into the adjusting cylinder 41 for storage. At the same time, the first sealing member 42 continuously squeezes the first elastic member 44 while moving in the adjusting cylinder 41, and the high-pressure molten plastic stores energy through the first elastic member 44. At the same time, the movement of the first sealing member 42 drives the adjusting rod 43 to move synchronously, and the movement of the adjusting rod 43 drives the sliding piece of the sliding resistor to move. When the sliding piece moves, the resistance value of the sliding resistor also changes accordingly. The controller analyzes the pressure change of the high-pressure molten plastic in the bypass channel 322 according to the change in the resistance value of the sliding resistor.

[0044] When the molten plastic in the branch channel 322 experiences a slight pressure fluctuation, the second elastic member 47 is compressed and relaxed to compensate for and fine-tune the pressure of the molten plastic in the branch channel 322, thereby ensuring the stability of the pressure of the molten plastic ejected from the spinneret holes 332 at both ends of the spinneret 33, and ensuring the uniformity of the diameter of the molten plastic after being stretched by warm air, thereby preventing the first elastic member 44 from having a large relaxation and compression distance and a large adjustment force, which makes it impossible to perform fine-tuning, resulting in the controller frequently adjusting the conveying speed of the mesh belt receiver 51, and causing the problem of uneven meltblown cloth injection limit.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-performance sound-absorbing and heat-insulating material production system, comprising an equipment body (1), wherein the equipment body (1) comprises a fixing frame (101), characterized in that: Also includes: An extrusion assembly (2), the extrusion assembly (2) comprising an extruder (21) fixed on the top of a fixing frame (101); A meltblown assembly (3), the meltblown assembly (3) comprising a meltblown body (31) fixed to the bottom of a fixing frame (101), wherein the meltblown body (31) is provided with a flow guide (32), a spinneret (33), a guide member (34), a fastener (35), and a vent member (36); An adjusting component (4), the adjusting component (4) comprising an adjusting cylinder (41) arranged in the meltblown component (3), a first sealing member (42) being sealingly and slidably connected in the adjusting cylinder (41), and an end of the first sealing member (42) extending into the adjusting cylinder (41) being fixedly connected to an adjusting rod (43); A forming assembly (5), the forming assembly (5) comprising a mesh belt receiver (51) arranged at the bottom of a meltblown body (31), and a trimming winder (52) being arranged at one end of the mesh belt receiver (51) away from the meltblown body (31).

2. A high-performance sound-absorbing and heat-insulating material production system according to claim 1, characterized in that: The outer wall of the adjusting rod (43) in the adjusting cylinder (41) is sleeved with a first elastic member (44); one end of the first elastic member (44) is connected to one end of the first sealing member (42) close to the adjusting rod (43); the other end of the first elastic member (44) is connected to the inner bottom wall of the adjusting cylinder (41); a first placement cavity (421) is provided in the first sealing member (42); one end of the adjusting rod (43) close to the first sealing member (42) is provided with a second placement cavity (431); a second sealing member (45) is sealingly and slidably connected in the first placement cavity (421); one end of the second sealing member (45) close to the adjusting rod (43) is fixedly connected to the limiting rod (46); a second elastic member (47) is provided in the second placement cavity (431); one end of the second elastic member (47) is connected to one end of the limiting rod (46) extending into the second placement cavity (431); the other end of the second elastic member (47) is connected to the inner bottom wall of the second placement cavity (431).

3. A high-performance sound-absorbing and heat-insulating material production system according to claim 2, characterized in that: The first placement cavity (421) is connected to the second placement cavity (431); a limiting long hole (432) is provided on the outer wall of one end of the adjustment rod (43) close to the first sealing member (42); the outer wall of one end of the limiting rod (46) located in the second placement cavity (431) is fixedly connected to a limiting column (461); the outer wall of one end of the limiting column (461) extending into the limiting long hole (432) is slidably connected to the inner wall of the limiting long hole (432); the number of the fasteners (35) is two, and the two ends of the flow guide member (32) and the spinneret member (33) are respectively fixedly connected to the fasteners (35); a sliding resistor is provided at the opposite end of each of the fasteners (35); and one end of each of the adjustment rods (43) extending out of the fastener (35) is fixedly connected to a sliding plate corresponding to the sliding resistor, wherein the sliding resistor is used to reflect the pressure condition of the molten plastic in the flow guide member (32) and the spinneret member (33).

4. A high-performance sound-absorbing and heat-insulating material production system according to claim 1, characterized in that: There are two flow guides (32) and they are arranged in a mirror image. A main flow channel (321) and a branch flow channel (322) are respectively provided on opposite sides of each flow guide (32). A placement groove (323) is respectively provided at both ends of each flow guide (32). Each flow guide (32) is provided with a guide groove (324). The placement groove (323) is used to place an adjustment cylinder (41). The outer wall of the first sealing member (42) is sealingly and slidably connected to the inner wall of the guide groove (324). The bottoms of the two flow guides (32) are fixedly connected to the top of the spinneret (33). A branch flow groove (331) is provided in the spinneret (33). The output end of the extruder (21) is connected to the main flow channel (321) provided by the flow guide member (32) through a metering pump and a pipeline.

5. A high-performance sound-absorbing and heat-insulating material production system according to claim 4, characterized in that: The spinneret (33) is provided with a plurality of evenly distributed spinneret holes (332) at the bottom, each of the spinneret holes (332) being connected to the diverter groove (331); a filter element (333) is arranged inside the spinneret (33); the filter element (333) is provided with a plurality of evenly distributed filter holes; the filter element (333) is respectively connected to the diverter groove (331) and the diverter channel (322) through the filter holes; a guide element (34) is fixedly connected to the bottom of the spinneret (33); the guide elements (34) are two in number and are arranged in a mirror-image distribution along the spinneret holes (332).

6. A high-performance sound-absorbing and heat-insulating material production system according to claim 1, characterized in that: The top of the spinneret (33) is provided with ventilation grooves (334) symmetrically distributed along the spinneret holes (332); the bottom of the spinneret (33) is provided with a plurality of evenly distributed through holes (335); each of the through holes (335) is connected to a corresponding ventilation groove (334); each of the flow guides (32) is provided with an air delivery hole (325); each of the flow guides (32) is provided with a plurality of evenly distributed connecting holes (326); the connecting holes (326) are respectively connected to the air delivery hole (325) and the corresponding ventilation groove (334).

7. A high-performance sound-absorbing and heat-insulating material production system according to claim 6, characterized in that: The outer wall of each of the flow guide members (32) is provided with a plurality of gas storage grooves (327), and each of the gas storage grooves (327) is provided with a plurality of holes (328) that are connected to the gas delivery hole (325).

8. A high-performance sound-absorbing and heat-insulating material production system according to claim 6, characterized in that: There are two vents (36), one end of each vent (36) is fixedly connected to the outer wall of a matching flow guide (32), the vent (36) is used to seal the air storage tank (327), each vent (36) is provided with a plurality of vent pipes (361), and each vent pipe (361) is connected to a corresponding air storage tank (327).

9. A high-performance sound-absorbing and heat-insulating material production system according to claim 8, characterized in that: Two air inlet pipes (311) are respectively arranged at both ends of the meltblown body (31), each of the air inlet pipes (311) is connected to a plurality of ventilation pipes (361) via a pipeline, and one end of each of the air inlet pipes (311) extending out of the meltblown body (31) is connected to an output end of a warm air device via a pipeline.

10. A high-performance sound-absorbing and heat-insulating material production system according to claim 3, characterized in that: The device body (1) comprises a controller, which is electrically connected to the sliding resistor, the control motor of the extruder (21), the drive motor of the mesh belt receiver (51) and the heating device.

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