A filter cartridge meltblown material collection and forming machine

Abstract

This utility model relates to the technical field of filter element processing equipment, and in particular to a filter element meltblown material collection and forming machine. It includes a screw extruder, with nozzles for spraying melt installed at the discharge end of the screw extruder. Each nozzle has a spray hole and upper and lower air holes respectively located above and below the spray hole. The material collection mechanism includes a base plate and a first mounting base mounted on the base plate. A transversely arranged material collection rod is rotatably mounted on the first mounting base. A second mounting base is also mounted, with a rotating rod rotatably mounted on the second mounting base, coaxially with the material collection rod. A threaded rod is located on the outer side of the rotating rod and coaxially with it, passing through the interior of the material collection rod. The rotation speed of the rotating rod is greater than that of the material collection rod. By setting the threaded rod and creating a speed difference between the threaded rod and the material collection rod, the filter element automatically moves laterally during the automatic rotation and forming process, resulting in a consistent filter element thickness and improving the forming efficiency and quality of the filter element.

Description

Technical Field

[0001] This utility model relates to the technical field of filter element processing equipment, and in particular to a filter element meltblown material receiving and forming machine. Background Technology

[0002] In the field of filter element manufacturing, the performance of filter element meltblown molding equipment plays a crucial role in the quality and production efficiency of filter elements. With the rapid development of modern industry, filter elements are increasingly widely used in many fields such as environmental protection, medicine, and electronics, which places higher demands on the filtration performance, structural strength, and production efficiency of filter elements. However, existing filter element meltblown molding equipment has many problems in practical applications, especially in the solidification control after melt spraying and the continuous processing and molding of filter elements.

[0003] Currently, common filter cartridge meltblown molding equipment has significant defects in the melt spraying stage. When the high-temperature melt is sprayed from the nozzle, due to the lack of effective temperature protection measures, it quickly comes into contact with the surrounding cold air. The temperature difference causes the melt to cool and solidify very easily. This not only affects the fiber formation process, making the fiber structure of the filter cartridge uneven and reducing its fineness, thus weakening the filter cartridge's filtration accuracy and dirt-holding capacity, but also the solidified melt is prone to clogging the nozzle, increasing equipment maintenance costs. Frequent downtime for maintenance seriously disrupts the continuity of production.

[0004] Secondly, existing equipment faces numerous challenges in the filter cartridge collection and forming process. Many machines employ a simplistic collection method, lacking precise control over the filter cartridge forming process. This makes it difficult to ensure consistent forming thickness in the early and later stages of filter cartridge forming, leading to unstable filter cartridge quality. Furthermore, once the filter cartridge reaches a certain thickness, the equipment cannot achieve automatic, uniform movement during collection, disrupting subsequent processing steps and significantly reducing production efficiency. For example, some machines rely solely on a single rotating shaft for collection, failing to dynamically adjust based on the filter cartridge forming process, resulting in unsatisfactory forming effects. Therefore, this paper proposes a filter cartridge meltblown material collection and forming machine to address these technical problems. Utility Model Content

[0005] The purpose of this invention is to provide a filter element meltblown material collection and forming machine to address the shortcomings of existing technologies. This machine solves the technical problems of existing filter element meltblown forming equipment where the melt is easily cooled and solidified upon contact with cold air, and the inability to continuously process and form filter elements.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows:

[0007] A filter cartridge meltblown material collection and forming machine includes a meltblown device and a material collection and forming device; the meltblown device includes a support frame and a meltblown section mounted on the support frame for melting PP granular material into a melt and then spraying it out, the meltblown section is provided with a pair; the meltblown section includes a screw extruder, the discharge end of the screw extruder is equipped with a nozzle for spraying the melt, each nozzle is provided with a spray hole and an upper air hole and a lower air hole respectively located above and below the spray hole, the upper air hole and the lower air hole are both used to spray hot air, the spray hole, the upper air hole and the lower air hole are provided in a plurality and are arranged in a transverse equidistant array;

[0008] The material collection and forming equipment includes a support platform, on which a forming station aligned with the nozzle and a material collection mechanism for rotatably collecting the molten material ejected from the nozzle to form a filter element. The material collection mechanism includes a base plate and a first mounting seat mounted on the base plate. A transversely arranged material collection rod is rotatably mounted on the first mounting seat, and the material collection rod rotates to collect and form the molten material ejected from the nozzle. A second mounting seat is also provided, on which a rotating rod coaxially mounted with the material collection rod is rotatably mounted. The material collection rod is cylindrical, and part of the rotating rod passes through the interior of the material collection rod and is rotatably mounted therewith. A threaded rod is located on the outside of the material collection rod and is coaxially mounted therewith. Both the threaded rod and the material collection rod are positioned at the forming station. The rotation speed of the rotating rod is greater than the rotation speed of the material collection rod, so that the filter element moves at a uniform speed along the length of the material collection rod during rotational forming.

[0009] Furthermore, it also includes an air heating box for heating air and an air pump for supplying gas to the air heating box. The air inlet of the air heating box is connected to the air pump through a cold air delivery pipe. The air outlet of the air heating box is provided with a pair of hot air delivery pipes that are respectively connected to different nozzles. The end of the hot air delivery pipe is provided with a first hot air branch pipe that is connected to several upper air holes and a second hot air branch pipe that is connected to several lower air holes.

[0010] Furthermore, the air heating box includes an insulation box and a heating inner box disposed within the insulation box. A partition is provided in the middle of the heating inner box to divide the interior of the heating inner box into a first heating chamber and a second heating chamber. The first heating chamber is provided with several vertically arranged first air guide plates to form a wave-shaped first airflow channel within the first heating chamber. The second heating chamber is provided with several vertically arranged second air guide plates to form a wave-shaped second airflow channel within the second heating chamber. The cold air delivery pipe is provided with a first cold air branch pipe connected to the initial end of the first airflow channel and a second cold air branch pipe connected to the initial end of the second airflow channel. The ends of the first airflow channel and the ends of the second airflow channel are respectively connected to different hot air delivery pipes. Heating tubes for heating air are provided between two adjacent first air guide plates and between two adjacent second air guide plates.

[0011] Furthermore, a movable plate is provided at the end of the filter element's movement trajectory. The movable plate and the support platform are laterally movable on the support platform, and the movement direction of the movable plate is consistent with the movement trajectory of the filter element. A first support roller and a second support roller are rotatably arranged side by side on the movable plate and their length direction is parallel to the movement trajectory of the filter element. The first support roller and the second support roller are at the same level and are used to support the filter element to be cut.

[0012] Furthermore, a fixed seat is installed on the movable plate next to the first support roller. A movable rod is rotatably mounted on the fixed seat. The middle position of the movable rod is rotatably set with the fixed seat, and the axis of rotation of the movable rod is parallel to the movement trajectory of the filter element. A cutter for contacting the filter element and cutting it is installed on the end of the movable rod close to the movement trajectory of the filter element. A vertically arranged cylinder is also installed on the movable plate, and the end of the cylinder's extension rod is movably set with the end of the movable rod away from the cutter.

[0013] Furthermore, the movable plate is equipped with a slide rail arranged laterally and parallel to the movement trajectory of the filter element. The slide rail is equipped with a sliding frame that can slide towards or away from the cutter. The sliding frame is equipped with an abutment block for abutting the end of the filter element during the movement. A second servo motor is installed at the end of the slide rail, and a fourth lead screw with a length direction parallel to the length direction of the slide rail is installed on the output shaft of the second servo motor. The fourth lead screw is threadedly connected to the sliding frame.

[0014] Furthermore, the movable plate is equipped with a guide rod, and the guide rod is equipped with a lifting frame that can move up and down. The lifting frame is rotatably equipped with a pair of pressing rollers for pressing the filter element during the cutting process to prevent the filter element from shifting. The pressing rollers are positioned directly above the filter element's movement trajectory and close to the cutter.

[0015] Furthermore, the transverse movement mechanism includes a third guide frame mounted on the support platform. The length direction of the third guide frame is parallel to the transverse movement direction of the filter element, and the movable plate is transversely slidably mounted on the third guide frame. A first servo motor is also mounted on the support platform in a horizontal arrangement, and a third lead screw is mounted on the output shaft of the first servo motor in a length direction parallel to the length direction of the third guide frame. The third lead screw is threadedly connected to the movable plate.

[0016] Furthermore, it includes a base, a support platform is mounted on the base, and an adjustment mechanism for controlling the lateral movement of the support platform is provided on the base; the adjustment mechanism includes a first guide frame mounted on the base and whose length direction is parallel to the lateral movement direction of the filter element, a first adjustment plate is slidably mounted on the first guide frame, and a second guide frame arranged laterally and whose length direction is perpendicular to the length direction of the first guide frame is mounted on the first adjustment plate, a second adjustment plate is slidably mounted on the second guide frame, and the support platform and the second adjustment plate are fixedly mounted.

[0017] Furthermore, a first fixing block is installed on the base, and a first lead screw with a length direction parallel to the length direction of the first guide frame is rotatably provided on the first fixing block. The first lead screw is threadedly connected to the first adjusting plate. A second fixing block is installed on the first adjusting plate, and a second lead screw with a length direction parallel to the length direction of the second guide frame is rotatably provided on the second fixing block. The second lead screw is threadedly connected to the second adjusting plate.

[0018] The beneficial effects of this invention are as follows: In use, PP granules (polypropylene raw material granules) are poured into a screw extruder, and the screw extruder is controlled to run. Under the shear force of the screw extruder, the PP granules (polypropylene raw material granules) heat up and melt to form a polymer melt. The melt is extruded in the screw extruder and finally sprayed out from the nozzle. During the spraying process, hot air is sprayed out from both the upper and lower air holes. The hot air can prevent the melt from cooling and solidifying immediately after spraying, which facilitates the subsequent collection and molding of filter elements and improves the processing efficiency of filter elements.

[0019] The nozzle simultaneously sprays the molten material onto both the threaded rod and the take-up rod. While driving the take-up rod to rotate, it also drives a rotating rod to rotate. This rotating rod rotates inside the take-up rod, and its rotational speed is greater than that of the take-up rod. Once the filter element on the take-up rod has reached the specified thickness, the speed difference between the threaded rod and the take-up rod ensures that, during the continuous take-up and forming process, the formed filter element moves continuously and uniformly along the length of the take-up rod until it reaches a designated position for cutting. By designing the threaded rod and creating a speed difference between it and the take-up rod, the filter element automatically moves laterally during the automatic rotation and forming process, resulting in a consistent filter element thickness and improving the forming efficiency and quality. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0021] Figure 2 This is a schematic diagram of the structure of the meltblown equipment of this utility model.

[0022] Figure 3 This is a partial structural schematic diagram of the meltblown equipment of this utility model.

[0023] Figure 4 This is a schematic diagram of the structure of the nozzle of this utility model.

[0024] Figure 5 This is a schematic diagram of the internal structure of the air heating box of this utility model.

[0025] Figure 6 This is a schematic diagram of the material receiving and forming equipment of this utility model.

[0026] Figure 7This is a schematic diagram of the material receiving mechanism of this utility model.

[0027] Figure 8 This is a schematic diagram of the cutting part of this utility model.

[0028] Figure 9 This is a schematic diagram of the adjustment mechanism of this utility model.

[0029] The reference numerals in the figures include:

[0030] 100. Meltblown equipment; 1. Support frame; 2. Screw extruder; 3. Control box; 4. Nozzle; 41. Spray hole; 42. Upper air hole; 43. Lower air hole; 5. Hopper; 6. Air guide pipe; 7. Fan; 8. Reducer; 9. Third drive motor; 10. Transmission components; 11. Air heating box; 111. Insulation box; 112. Partition; 113. First heating chamber; 114. Second heating chamber; 115. First air guide plate; 116. Second air guide plate; 117. Heating element; 118. Heating inner box; 12. Air pump; 13. Cold air delivery pipe; 131. First cold air branch pipe; 132. Second cold air branch pipe; 14. Hot air delivery pipe; 141. First hot air branch pipe; 142. Second hot air branch pipe;

[0031] 200. Material receiving and forming equipment; 15. Base; 16. Support platform; 17. Adjustment mechanism; 171. First guide frame; 172. First adjusting plate; 173. First fixing block; 174. First lead screw; 175. Second guide frame; 176. Second adjusting plate; 177. Second fixing block; 178. Second lead screw; 18. Material receiving mechanism; 181. Base plate; 182. First mounting base; 183. Material receiving rod; 184. Groove; 185. First drive motor; 186. Second mounting base; 187. Rotating rod; 188. Threaded rod; 189. Second drive... 19. Motor; 20. Molding station; 21. Upper limit roller; 22. Fixed frame; 23. Lower limit roller; 24. Movable plate; 25. Transverse mechanism; 26. Third guide frame; 27. First servo motor; 28. Third lead screw; 29. ​​Slide rail; 20. Fourth lead screw; 20. Second servo motor; 21. Sliding frame; 22. Abutment block; 33. First support roller; 34. Second support roller; 35. Guide plate; 36. Fixed seat; 37. Movable rod; 38. Cylinder; 39. Guide rod; 40. Lifting frame; 41. Pressing roller; 52. Filter element. Detailed Implementation

[0032] The following is a detailed description of a filter element meltblown material receiving and forming machine according to the present invention, with reference to the accompanying drawings.

[0033] like Figure 1As shown, an embodiment of the filter cartridge meltblown material collection and forming machine of this utility model includes a meltblown device 100 for melting PP granular material (polypropylene raw material granules) into a melt and then spraying it out, and a material collection and forming device 200 for collecting the melt sprayed out by the meltblown device 100 to form it into a filter cartridge 40; the meltblown device 100 and the material collection and forming device 200 operate simultaneously. After the meltblown device 100 melts the PP granular material into a melt, it sprays the melt onto the material collection and forming device 200. The material collection and forming device 200 rotates and collects the melt to form a filter cartridge 40, thereby realizing the production and processing of the filter cartridge 40. The specific meltblown and material collection and forming processes are described below.

[0034] like Figure 2-4 As shown, the meltblown equipment 100 includes a support frame 1 and a meltblown section mounted on the support frame 1. The meltblown section is provided in pairs or multiple. A control box 3 for controlling the operation of the meltblown section is installed on the side of the support frame 1. By operating the control box 3, each meltblown section can be controlled individually, so that the operation of a single meltblown section or multiple meltblown sections can be controlled to operate simultaneously. The meltblown section includes a screw extruder 2, which is existing technology. A nozzle 4 for spraying melt is installed at the discharge end of the screw extruder 2, and a hopper 5 for storing PP granules (polypropylene raw material granules) is installed at the feed end of the screw extruder 2. In use, PP granules are poured into the hopper 5 for storage, facilitating the continuous feeding of PP granules (polypropylene raw material granules) into the screw extruder 2. The control box 3 controls the operation of the screw extruder 2. Under the shear force of the screw extruder 2, the PP granules (polypropylene raw material granules) heat up and melt, forming a polymer melt. The melt is extruded within the screw extruder 2 and finally sprayed from the nozzle 4, spraying the melt onto the material collection and forming equipment 200 used to form the filter element 40, thus achieving the processing of the filter element 40.

[0035] Additionally, an air guide pipe 6 is provided on the hopper 5, communicating with its bottom side. A blower 7 is installed at the top of the air guide pipe 6. Running the blower 7 blows air into the bottom of the hopper 5 through the air guide pipe 6, preventing blockage during the continuous feeding of PP granules (polypropylene raw material granules) into the screw extruder 2. To drive the screw extruder 2, the meltblown section also includes a third drive motor 9 and a reducer 8 that is driven by the screw end of the screw extruder 2. The third drive motor 9 and the reducer 8 are connected by a transmission component 10. The transmission component 10 can be a transmission structure combining a drive wheel and a drive belt. Running the third drive motor 9, under the transmission action of the transmission component 10 and the reducer 8, drives the screw inside the screw extruder 2 to rotate. Furthermore, the reducer 8 reduces the screw speed, allowing the screw inside the screw extruder 2 to rotate at a specified speed, causing the PP granules (polypropylene raw material granules) to heat up and melt, forming a polymer melt.

[0036] In this embodiment, a pair of screw extruders 2 are provided, and each screw extruder 2 is provided with a nozzle 4 at its discharge end. The nozzle 4 is provided with a spray hole 41 and upper air holes 42 and lower air holes 43 respectively located above and below the spray hole 41. The spray hole 41, upper air holes 42 and lower air holes 43 are provided in a plurality and arranged in a transverse equidistant array. Furthermore, this meltblown equipment also includes an air heating box 11 for heating air and an air pump 12 for supplying gas to the air heating box 11. The air inlet end of the air heating box 11 is connected to the air pump 12 through a cold air delivery pipe 13. The air outlet end of the air heating box 11 is provided with a pair of hot air delivery pipes 14 respectively connected to different nozzles 4. Specifically, the end of the hot air delivery pipe 14 is provided with a first hot air branch pipe 141 connected to a plurality of upper air holes 42 and a second hot air branch pipe 142 connected to a plurality of lower air holes 43. During the operation of the screw extruder 2, the PP granules (polypropylene raw material granules) are heated and melted into a melt, which is then ejected from the nozzle 41. At the same time, the air pump 12 and the air heating box 11 are operated. The air pump 12 delivers air to the air heating box 11 through the cold air delivery pipe 13 to heat the air. The heated air is then delivered out of the air heating box 11 through the hot air delivery pipe 14, and then delivered to the nozzle 4 through the first hot air distribution pipe 141 and ejected by the upper air hole 42. It is also delivered to the nozzle 4 through the second hot air distribution pipe 142 and ejected by the lower air hole 43. During the ejection of the melt, hot air is blown out from the upper and lower sides of the nozzle 41. The hot air can prevent the melt from cooling and solidifying immediately after ejection, so as to facilitate the subsequent collection and forming of the filter element 40. It can also stretch the melt ejected from the nozzle 41 into fiber filaments.

[0037] like Figure 5As shown, the air heating box 11 includes an insulation box 111 and a heating inner box 118 disposed inside the insulation box 111. A partition 112 is provided in the middle of the heating inner box 118 to divide the interior of the heating inner box 118 into a first heating chamber 113 and a second heating chamber 114. In the first heating chamber 113, several vertically arranged first air guide plates 115 are provided to form a wave-shaped first airflow channel in the first heating chamber 113. In the second heating chamber 114, several vertically arranged second air guide plates 116 are provided to form a wave-shaped second airflow channel in the second heating chamber 114. The cold air delivery pipe 13 is provided with a first cold air branch pipe 131 connected to the initial end of the first airflow channel and a second cold air branch pipe 132 connected to the initial end of the second airflow channel. The ends of the first airflow channel and the ends of the second airflow channel are respectively connected to different hot air delivery pipes 14. The air pump 12 is operated to transport air through the cold air delivery pipe 13, and then through the first cold air branch pipe 131 and the second cold air branch pipe 132 to deliver the air to be heated to the first airflow channel and the first airflow channel respectively, so that the air to be heated flows in a wave-like manner, and finally is discharged from different hot air delivery pipes 14 respectively.

[0038] Furthermore, heating elements 117 are provided between two adjacent first air guide plates 115 and between two adjacent second air guide plates 116. When air flows within the first airflow channel, the heating elements 117 on both sides operate simultaneously to heat the flowing air, causing hot air to be ejected from both the upper air hole 42 and the lower air hole 43. In addition, allowing the air to be heated to flow within the wavy first airflow channel is to ensure that the air is fully heated within a certain space, thereby improving heating efficiency.

[0039] like Figure 6-7 As shown, the material collection and forming equipment 200 includes a base 15 and a support platform 16 mounted on the base 15. The base 15 is equipped with an adjustment mechanism 17 for controlling the lateral movement of the support platform 16. By operating the adjustment mechanism 17, the support platform 16 can be controlled to move laterally on the base 15, i.e., move back and forth or left and right. The support platform 16 has a forming station 19 aligned with the nozzle 4, and is also equipped with a material collection mechanism 18 for rotatably collecting the melt sprayed from the nozzle 4 to form a filter element 40. The rotation execution part of the material collection mechanism 18 is located at the forming station 19. The meltblown equipment 100 melts PP granular material into a molten state, and the nozzle 4 sprays the molten state onto the rotation execution part of the material collection mechanism 18, thus achieving the rotational collection of the molten state to form a filter element 40. The specific material collection and forming process is described below.

[0040] Specifically, the receiving mechanism 18 includes a base plate 181 mounted on a support platform 16 and a first mounting base 182 mounted on the base plate 181. A horizontally arranged receiving rod 183 is rotatably mounted on the first mounting base 182, and a first drive motor 185 is mounted on the first mounting base 182 to drive the receiving rod 183 to rotate and collect the melt sprayed from the nozzle 4. The surface of the receiving rod 183 has a groove 184 whose length direction is aligned with its axis. After the PP granular material is melted into a melt by the meltblown equipment 100, the melt is sprayed onto the surface of the receiving rod 183 through the nozzle 4. At the same time, the first drive motor 185 drives the receiving rod 183 to rotate, thereby realizing the collection of the sprayed melt. After continuous collection, a cylindrical filter element 40 is formed on the receiving rod 183. In addition, the groove 184 prevents the receiving rod 183 from slipping with the filter element 40 during rotation.

[0041] However, in order to continuously process the filter element 40 for material collection and forming, a second mounting base 186 is also installed on the base plate 181. A rotating rod 187, coaxially arranged with the material collection rod 183, is rotatably mounted on the second mounting base 186. The material collection rod 183 is cylindrical, and part of the rotating rod 187 passes through the interior of the material collection rod 183 and is rotatably mounted therewith. A second drive motor 189 is also mounted on the second mounting base 186 to drive the rotating rod 187 to rotate. When the first drive motor 185 drives the material collection rod 183 to rotate, the second drive motor 189 also drives the rotating rod 187 to rotate, and the rotating rod 187 rotates inside the material collection rod 183. A threaded rod 188, coaxially arranged with and located outside the material collection rod 183, is provided at the end of the rotating rod 187 that passes through the interior of the material collection rod 183. Both the threaded rod 188 and the material collection rod 183 are located at the forming station 19. The meltblown equipment 100 simultaneously sprays melt onto the threaded rod 188 and the take-up rod 183. When the take-up rod 183 is driven to rotate, the rotating rod 187 is also driven to rotate. The rotating rod 187 rotates at a speed greater than that of the take-up rod 183. When the filter element 40 on the take-up rod 183 has been formed to the specified thickness, the speed difference between the threaded rod 188 and the take-up rod 183 ensures that the formed filter element 40 will continue to move along the length of the take-up rod 183 at a constant speed during the continuous take-up and forming process, and move to the subsequent specified position for cutting.

[0042] Additionally, during the rotational forming of the filter element 40 and its continuous movement along the length of the take-up rod 183, to ensure the filter element 40 moves laterally in a straight line, an upper limit roller 20 and a lower limit roller 22 are provided on the trajectory of the filter element 40's lateral movement to limit its movement. Both the upper limit roller 20 and the lower limit roller 22 are mounted on the support platform 16 via a fixing frame 21. During the continuous movement of the filter element 40 along the length of the take-up rod 183, the limiting action of the upper limit roller 20 and the lower limit roller 22 ensures that the filter element 40 always maintains a straight line of movement.

[0043] In this embodiment, to cut the formed filter element 40, a movable plate 23 is provided at the end of the filter element 40's movement trajectory. A transverse mechanism 24 is provided between the movable plate 23 and the support platform 16. The transverse mechanism 24 allows the movable plate 23 to be laterally moved on the support platform 16, and the movement direction of the movable plate 23 is consistent with the movement trajectory of the filter element 40. A first support roller 30 and a second support roller 31 are rotatably arranged side-by-side on the movable plate 23, with their length direction parallel to the movement trajectory of the filter element 40. The first support roller 30 and the second support roller 31 are at the same level and are used to support the filter element 40 to be cut. The formed filter element 40 moves continuously and at a uniform speed along the length direction of the receiving rod 183 to a position between the first support roller 30 and the second support roller 31, where it is supported by both, facilitating subsequent cutting of the filter element 40.

[0044] like Figure 8As shown, a fixed seat 33 is mounted on the movable plate 23, located beside the first support roller 30. A movable rod 34 is rotatably mounted on the fixed seat 33. The middle position of the movable rod 34 is rotatably set with the fixed seat 33, and the axis of rotation of the movable rod 34 is parallel to the movement trajectory of the filter element 40. A cutter 35 for contacting the filter element 40 and cutting it is mounted on the end of the movable rod 34 near the movement trajectory of the filter element 40. A vertically arranged cylinder 36 is also mounted on the movable plate 23, and the end of the telescopic rod of the cylinder 36 is movably set with the end of the movable rod 34 away from the cutter 35. The formed filter element 40 moves continuously and at a constant speed to the position between the first support roller 30 and the second support roller 31. While being supported by both, the filter element 40 rotates and moves laterally at the position between the first support roller 30 and the second support roller 31. At this time, the filter element 40 will pass under the cutter 35. After passing a specified distance, the transverse mechanism 24 is activated to control the movable plate 23 to move laterally on the support table 16 along the movement trajectory of the filter element 40. During the continuous forming and transverse movement of the filter element 40, the movable plate 23 carries the cutter 35 and moves laterally synchronously with the filter element 40, so that the cutter 35 is stationary relative to the filter element 40. Then the cylinder 36 is activated, and the extension rod of the cylinder 36 extends upward to make the cutter 35 move downward and contact the filter element 40. Then, in conjunction with the rotation of the filter element 40 itself, the filter element 40 can be cut.

[0045] In this embodiment, the second support roller 31 is movably mounted on the movable plate 23. The movable plate 23 is equipped with a guide plate 32 placed beside the second support roller 31 for guiding the cut filter element 40. When the filter element 40 is cut by the cutter 35, the second support roller 31 is controlled to move downward a specified distance to stop supporting the cut filter element 40. The cut filter element 40 automatically falls down and is guided to the collection frame (not shown in the figure) by the guide plate 32 for collection. When further cutting is needed, the second support roller 31 is controlled to return to its original position, so that the filter element 40 to be cut can be supported again.

[0046] In order to control the cutting length of the filter element 40, the movable plate 23 is also equipped with a horizontally arranged slide rail 25 whose length direction is parallel to the movement trajectory of the filter element 40. The slide rail 25 is equipped with a sliding frame 28 that can slide towards or away from the cutter 35. The sliding frame 28 is equipped with an abutment block 29 for abutting the end of the filter element 40 during the movement. During the rotation and lateral movement of the filter element 40 between the first support roller 30 and the second support roller 31, the filter element 40 passes under the cutter 35. After passing a specified distance, the end of the filter element 40 is blocked by the abutment block 29, preventing the filter element 40 from continuing to move laterally. At this time, the lateral movement mechanism 24 is activated, controlling the movable plate 23 to move laterally along the movement trajectory of the filter element 40 on the support platform 16. The movable plate 23, carrying the cutter 35 and the abutment block 29 abutting the end of the filter element 40, moves laterally synchronously with the filter element 40, so that the cutter 35 and the abutment block 29 are stationary relative to the filter element 40. At this time, the filter element 40 can be cut by the cutter 35. Furthermore, when the sliding frame 28 slides on the slide rail 25, the distance between the abutment block 29 and the cutter 35 is adjusted, thereby controlling the cutting length of the filter element 40.

[0047] However, in order to control the sliding frame 28 to slide automatically on the slide rail 25, a second servo motor 27 is installed at the end of the slide rail 25, and a fourth lead screw 26 with its length direction parallel to the length direction of the slide rail 25 is provided on the output shaft of the second servo motor 27. The fourth lead screw 26 is threadedly connected to the sliding frame 28. After running the second servo motor 27 and driving the fourth lead screw 26 to rotate, the sliding frame 28 can be controlled to slide automatically on the slide rail 25.

[0048] Additionally, the movable plate 23 is equipped with a guide rod 37, and the guide rod 37 is equipped with a lifting frame 38 that can move up and down. A pair of pressing rollers 39 are rotatably mounted on the lifting frame 38 to press the filter element 40 during the cutting process to prevent it from shifting. The pressing rollers 39 are positioned directly above the movement path of the filter element 40 and close to the cutter 35. Before the cutter 35 contacts the filter element 40, the lifting frame 38 is controlled to move downwards so that the pressing rollers 39 simultaneously press the filter element 40. After pressing, the cutter 35 can be controlled to contact the filter element 40 for cutting. This prevents the filter element 40 from shifting from its original position during the cutting process, improving cutting efficiency.

[0049] Furthermore, the transverse movement mechanism 24 includes a third guide frame 241 mounted on the support platform 16. The length direction of the third guide frame 241 is parallel to the transverse movement direction of the filter element 40, and the movable plate 23 is transversely slidably mounted on the third guide frame 241. The support platform 16 is also equipped with a first servo motor 242 arranged horizontally, and the output shaft of the first servo motor 242 is equipped with a third lead screw 243 whose length direction is parallel to the length direction of the third guide frame 241. The third lead screw 243 is threadedly connected to the movable plate 23. The first servo motor 242 is activated, thereby driving the third lead screw 243 to rotate. Under the action of the threaded connection between the third lead screw 243 and the movable plate 23, the movable plate 23 can be controlled to move laterally on the third guide frame 241. During the continuous forming and lateral movement of the filter element 40, the movable plate 23, carrying the cutter 35 and the abutment block 29 abutting the end of the filter element 40, moves laterally synchronously with the filter element 40, so that the cutter 35 and the abutment block 29 are stationary relative to the filter element 40. At this time, the filter element 40 can be cut by the cutter 35.

[0050] like Figure 9 As shown, the adjustment mechanism 17 includes a first guide frame 171 mounted on the base 15 and parallel to the direction of lateral movement of the filter element 40 in its length direction. A first adjustment plate 172 is slidably mounted on the first guide frame 171, and a second guide frame 175 is mounted on the first adjustment plate 172 in a transverse direction and perpendicular to the length direction of the first guide frame 171 in its length direction. A second adjustment plate 176 is slidably mounted on the second guide frame 175. The support platform 16 is fixedly mounted to the second adjustment plate 176. By controlling the lateral movement of the first adjustment plate 172 on the first guide frame 171 and the lateral movement of the second adjustment plate 176 on the second guide frame 175, the support platform 16 can be controlled to move back and forth or left and right on the base 15 to adjust its position, so that the forming station 19 can be accurately aligned with the nozzle 4, thereby improving the efficiency of subsequent filter element 40 forming.

[0051] Additionally, a first fixing block 173 is mounted on the base 15, and a first lead screw 174, whose length direction is parallel to the length direction of the first guide frame 171, is rotatably mounted on the first fixing block 173. The first lead screw 174 is threadedly connected to the first adjusting plate 172. By driving the first lead screw 174 to rotate, the first adjusting plate 172 can be controlled to slide laterally on the first guide frame 171. A second fixing block 177 is mounted on the first adjusting plate 172, and a second lead screw 178, whose length direction is parallel to the length direction of the second guide frame 175, is rotatably mounted on the second fixing block 177. The second lead screw 178 is threadedly connected to the second adjusting plate 176. By driving the second lead screw 178 to rotate, the second adjusting plate 176 can be controlled to slide laterally on the second guide frame 175.

[0052] In summary, this utility model possesses the aforementioned excellent characteristics, enabling it to achieve unprecedented efficiency in use and thus become a highly practical product.

[0053] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A filter cartridge meltblown material receiving and forming machine, characterized in that: The equipment includes a meltblown device (100) and a material collection and forming device (200); the meltblown device (100) includes a support frame (1) and a meltblown section mounted on the support frame (1) for melting PP granules into a melt and then spraying it out. The meltblown section is provided with a pair; the meltblown section includes a screw extruder (2), and the discharge end of the screw extruder (2) is equipped with a nozzle (4) for spraying out the melt. Each nozzle (4) is provided with a spray hole (41) and an upper air hole (42) and a lower air hole (43) respectively placed above and below the spray hole (41). The upper air hole (42) and the lower air hole (43) are used to spray out hot air. The spray hole (41), the upper air hole (42) and the lower air hole (43) are provided with several and arranged in a transverse equidistant array; The material collection and forming equipment (200) includes a support platform (16), on which a forming station (19) aligned with the nozzle (4) is provided, and a material collection mechanism (18) for rotatably collecting the melt sprayed from the nozzle (4) to form it into a filter element (40); the material collection mechanism (18) includes a base plate (181) and a first mounting seat (182) mounted on the base plate (181), on which a transversely arranged material collection rod (183) is rotatably provided, and the material collection rod (183) rotates to collect and form the melt sprayed from the nozzle (4); a second mounting seat (186) is also provided, on which... A rotating rod (187) is rotatably provided and coaxially arranged with the receiving rod (183). The receiving rod (183) is cylindrical, and part of the rotating rod (187) passes through the inside of the receiving rod (183) and is rotatably arranged with it. A threaded rod (188) is provided on the end of the rotating rod (187) that passes through the inside of the receiving rod (183) and is coaxially arranged with it. The threaded rod (188) and the receiving rod (183) are both placed at the forming station (19). The rotating rod (187) rotates at a speed greater than the rotating rod (183) so that the filter element (40) moves at a uniform speed along the length direction of the receiving rod (183) when it is rotated and formed.

2. The filter cartridge meltblown material receiving and forming machine according to claim 1, characterized in that: It also includes an air heating box (11) for heating air and an air pump (12) for supplying gas to the air heating box (11). The air inlet of the air heating box (11) is connected to the air pump (12) through a cold air delivery pipe (13). The air outlet of the air heating box (11) is provided with a pair of hot air delivery pipes (14) that are respectively connected to different nozzles (4). The end of the hot air delivery pipe (14) is provided with a first hot air branch pipe (141) that is connected to several upper air holes (42) and a second hot air branch pipe (142) that is connected to several lower air holes (43).

3. The filter cartridge meltblown material receiving and forming machine according to claim 2, characterized in that: The air heating box (11) includes an insulation box (111) and a heating inner box (118) disposed inside the insulation box (111). A partition (112) is provided in the middle of the heating inner box (118) to divide the interior of the heating inner box (118) into a first heating chamber (113) and a second heating chamber (114). The first heating chamber (113) is provided with a plurality of vertically arranged first air guide plates (115) to form a wave-shaped first airflow channel in the first heating chamber (113). The second heating chamber (114) is provided with a plurality of vertically arranged second air guide plates. (116) to form a wave-shaped second airflow channel in the second heating chamber (114); the cold air delivery pipe (13) is provided with a first cold air branch pipe (131) connected to the beginning of the first airflow channel, and a second cold air branch pipe (132) connected to the beginning of the second airflow channel; the end of the first airflow channel and the end of the second airflow channel are respectively connected to different hot air delivery pipes (14); heating tubes (117) for heating air are provided between two adjacent first air guide plates (115) and between two adjacent second air guide plates (116).

4. The filter cartridge meltblown material receiving and forming machine according to claim 1, characterized in that: A movable plate (23) is provided at the end of the movement trajectory of the filter element (40). A transverse mechanism (24) is provided between the movable plate (23) and the support platform (16). The transverse mechanism (24) allows the movable plate (23) to be moved laterally on the support platform (16), and the movement direction of the movable plate (23) is consistent with the movement trajectory of the filter element (40). A first support roller (30) and a second support roller (31) are rotatably arranged on the movable plate (23) and their length direction is parallel to the movement trajectory of the filter element (40). The first support roller (30) and the second support roller (31) are at the same level and are used to support the filter element (40) to be cut.

5. A filter cartridge meltblown material receiving and forming machine according to claim 4, characterized in that: A fixed seat (33) is mounted on the movable plate (23) and placed next to the first support roller (30). A movable rod (34) is rotatably mounted on the fixed seat (33). The middle position of the movable rod (34) is rotatably set with the fixed seat (33), and the axis of rotation of the movable rod (34) is parallel to the movement trajectory of the filter element (40). A cutter (35) for contacting the filter element to cut it is mounted on the end of the movable rod (34) near the movement trajectory of the filter element (40). A vertically arranged cylinder (36) is also mounted on the movable plate (23), and the end of the telescopic rod of the cylinder (36) is movably set with the end of the movable rod (34) away from the cutter (35).

6. A filter cartridge meltblown material receiving and forming machine according to claim 5, characterized in that: The movable plate (23) is equipped with a slide rail (25) arranged laterally and parallel to the movement trajectory of the filter element (40) in the length direction. The slide rail (25) is equipped with a sliding frame (28) that can slide towards or away from the cutter (35). The sliding frame (28) is equipped with an abutment block (29) for abutting the end of the filter element (40) during the movement. The end of the slide rail (25) is equipped with a second servo motor (27), and the output shaft of the second servo motor (27) is equipped with a fourth lead screw (26) whose length direction is parallel to the length direction of the slide rail (25). The fourth lead screw (26) is threadedly connected to the sliding frame (28).

7. A filter cartridge meltblown material receiving and forming machine according to claim 5, characterized in that: The movable plate (23) is provided with a guide rod (37), and the guide rod (37) is provided with a lifting frame (38) that can move up and down. The lifting frame (38) is rotatably provided with a pair of pressing rollers (39) for pressing the filter element (40) during the cutting process to prevent the filter element (40) from shifting. The pressing rollers (39) are positioned directly above the movement trajectory of the filter element (40) and close to the cutter (35).

8. A filter cartridge meltblown material receiving and forming machine according to claim 5, characterized in that: The transverse movement mechanism (24) includes a third guide frame (241) mounted on a support platform (16). The length direction of the third guide frame (241) is parallel to the transverse movement direction of the filter element (40), and the movable plate (23) is transversely slidably mounted on the third guide frame (241). A first servo motor (242) is also mounted on the support platform (16), and a third lead screw (243) with a length direction parallel to the length direction of the third guide frame (241) is mounted on the output shaft of the first servo motor (242). The third lead screw (243) is threadedly connected to the movable plate (23).

9. A filter cartridge meltblown material receiving and forming machine according to claim 1, characterized in that: The device includes a base (15), a support platform (16) mounted on the base (15), and an adjustment mechanism (17) for controlling the lateral movement of the support platform (16) on the base (15). The adjustment mechanism (17) includes a first guide frame (171) mounted on the base (15) and whose length direction is parallel to the lateral movement direction of the filter element (40). A first adjustment plate (172) is slidably mounted on the first guide frame (171), and a second guide frame (175) is mounted on the first adjustment plate (172) and whose length direction is perpendicular to the length direction of the first guide frame (171). A second adjustment plate (176) is slidably mounted on the second guide frame (175). The support platform (16) and the second adjustment plate (176) are fixedly mounted.

10. A filter cartridge meltblown material receiving and forming machine according to claim 9, characterized in that: A first fixing block (173) is mounted on the base (15), and a first lead screw (174) with a length direction parallel to the length direction of the first guide frame (171) is rotatably mounted on the first fixing block (173). The first lead screw (174) is threadedly connected to the first adjusting plate (172). A second fixing block (177) is mounted on the first adjusting plate (172), and a second lead screw (178) with a length direction parallel to the length direction of the second guide frame (175) is rotatably mounted on the second fixing block (177). The second lead screw (178) is threadedly connected to the second adjusting plate (176).

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