An automated filter bag production system

Abstract

This invention discloses an automatic filter bag production system, including an automatic roll changing mechanism, an automatic sewing mechanism, and an automatic cutting mechanism, as well as an automatic conveying mechanism for conveying filter bag fabric between the three. The automatic roll changing mechanism includes a roll changing frame, a rotating plate rotating on the roll changing frame, a worm gear reducer motor driving the rotating plate to rotate, a support shaft rotating on the rotating plate, a first material pushing component mounted on the roll changing frame, a chain conveyor mounted on the roll changing frame and located between the material pushing component and the support shaft, and multiple positioning components spaced apart on the chain conveyor chain. The automatic cutting mechanism includes a cutting frame, a belt conveyor mounted on the cutting frame, a sliding frame slidably mounted on the cutting frame, a belt drive device driving the sliding frame to slide, a cutting component and a second material pushing component respectively mounted on the sliding frame, and a pressing component that can be lifted and lowered on the cutting frame. This invention has the following advantages and effects: automatic fabric roll changing and high automatic filter bag production efficiency.

Description

Technical Field

[0001] This invention relates to the field of dust collector filter bag production technology, and in particular to an automated filter bag production system. Background Technology

[0002] Dust collector filter bags are a commonly used dust removal and filtration material, widely used in dust removal and purification equipment in industrial, agricultural, civil, and environmental protection sectors. The manufacturing process of dust collector filter bags involves turning rolls of filter fabric into individual bags. Traditionally, one person operated the sewing machine while at least three others assisted with feeding, sorting, and cutting the material. This process generally suffered from low production efficiency and inconsistent quality. Current automated dust collector filter bag production lines first use a fabric conveying mechanism to pull the fabric from the unwinding equipment, allowing the fabric to pass sequentially through automatic sewing and cutting equipment for rapid filter bag folding, sewing, and cutting. This improves production efficiency and product quality. However, some shortcomings still exist in the use of automated dust collector filter bag production lines. For example, the fabric rolls on the unwinding equipment still require manual replacement, which not only results in a long and inefficient replacement process but also places a heavy burden on manual handling and high labor intensity. The cutting and unloading operations of the automatic cutting equipment consume other processing time for the filter bags, leading to a decrease in production efficiency. Summary of the Invention

[0003] The purpose of this invention is to provide an automatic filter bag production system that features automatic fabric roll replacement and high efficiency in automatic filter bag production.

[0004] The above-mentioned technical objective of the present invention is achieved through the following technical solution: an automatic filter bag production system, comprising an automatic roll changing mechanism, an automatic sewing mechanism, and an automatic cutting mechanism, and an automatic conveying mechanism for conveying filter bag fabric between the three; the automatic roll changing mechanism includes a roll changing frame, a tilting plate rotatably mounted on the roll changing frame, a worm gear reducer motor fixedly mounted on the roll changing frame and driving the center of the tilting plate to rotate, two support shafts with one end rotatably connected to the upper and lower ends of the tilting plate respectively, a pusher assembly mounted on the roll changing frame and located at the end of the support shaft away from the tilting plate, and a pusher assembly mounted on the roll changing frame. The automatic cutting mechanism includes a cutting frame, a belt conveyor mounted on the cutting frame, a sliding frame slidably mounted on the cutting frame and sliding above the belt conveyor, a belt drive device fixedly mounted on the cutting frame and driving the sliding frame to slide, a cutting component and a second pushing component respectively mounted on the sliding frame, and a pressing component that can be lifted and lowered on the cutting frame. The cutting component is located at one end of the belt conveyor, and the pressing component and the second pushing component are located on both sides of the cutting component.

[0005] By adopting the above technical solution, when it is necessary to replace the fabric roll, the chain conveyor first drives the positioning component, so that the center hole of the fabric roll on the positioning component is aligned with the support shaft at the lower end of the flipping plate. Then, the pushing component pushes the fabric roll from one side towards the support shaft, and after the new fabric roll is hung on the support shaft, it automatically returns to the initial position. Then, the worm gear reducer motor drives the flipping plate to flip, so that the support shaft at the lower end of the flipping plate and the fabric roll flip to the upper end of the flipping plate, which facilitates the workers to perform subsequent fabric traction or front and rear fabric connection work. At the same time, the chain conveyor will also re-transport a new fabric roll during this period, so that the fabric roll is aligned with the support shaft at the lower end. Finally, the pushing component pushes the fabric roll back onto the support shaft. After the upper fabric roll is used up, the worm gear reducer motor will quickly rotate and flip the lower fabric roll to the upper end, thereby improving the efficiency of fabric roll replacement and reducing the workload of workers.

[0006] When the automatic cutting mechanism cuts the filter bag, the automatic conveying mechanism first transports the sewn filter bag strip to the belt conveyor. The belt conveyor then straightens and straightens the strip, facilitating the detection of the filter bag length while ensuring the stable operation of the subsequent cutting and pushing components. Once the filter bag strip reaches the appropriate length, the belt conveyor and automatic conveying mechanism stop feeding new strips, and the pressing component quickly presses down on the cut edge to ensure a clean cut. Then, the belt drive drives the sliding frame to move from one side of the belt conveyor, causing the cutting component on the sliding frame to gradually cut the filter bag strip from one end of the conveyor. Simultaneously, the pushing component on the sliding frame pushes the cut filter bag to one side of the belt conveyor. After the filter bag strip is completely cut, the required length is pushed off the belt conveyor by the pushing component, achieving simultaneous cutting and unloading.

[0007] A further configuration of the present invention includes: the automatic conveying mechanism comprising a pair of conveying rollers rotatably mounted on the rewinding frame and in parallel contact with the upper and lower sides; a drive motor fixedly mounted on the rewinding frame and driving the conveying rollers rotatably; a pair of traction rollers rotatably mounted on the rewinding frame and respectively located on both sides of the conveying rollers rotatably; a tension roller rotatably mounted on the rewinding frame and located between the conveying rollers rotatably and the traction rollers rotatably; two pairs of conveying rollers rotatably mounted on the cutting frame and in parallel contact with the upper and lower sides; a drive motor fixedly mounted on the rewinding frame and driving the conveying rollers rotatably; a pair of traction rollers rotatably mounted on the cutting frame and located between the two pairs of conveying rollers rotatably; a sliding rod slidably mounted on the cutting frame and located between the two traction rollers rotatably; a tension roller rotatably mounted on the sliding rod; and a drive assembly for driving the sliding rod to slide up and down. The conveying rollers rotatably and the conveying rollers rotatably are located below the traction rollers rotatably and the tension rollers rotatably.

[0008] By adopting the above technical solution, when the automatic conveying mechanism transports the fabric, the first drive motor drives the first conveyor roller to rotate, thereby pulling out the fabric from the fabric roll. The fabric is then smoothly conveyed to the automatic sewing mechanism via the first traction roller and the first tension roller. The second drive motor drives the second conveyor roller to rotate, thereby pulling out the filter bag processed by the automatic sewing machine. The filter bag is then smoothly conveyed to the belt conveyor via the second traction roller and the second tension roller. If the automatic cutting mechanism cuts the filter bag at this time, the pair of second conveyor rollers near the belt conveyor end will stop rotating. The drive assembly will drive the sliding rod and tension roller 2 to slide downwards, thereby tensioning and storing excess fabric between the traction roller 2. This allows the automatic sewing mechanism to remain operational during the automatic cutting and unloading process, thus improving the efficiency of filter bag production. Finally, after the automatic cutting and unloading process is completed, the pair of conveyor rollers 2 near the belt conveyor end resume rotation and increase their speed to ensure that the drive assembly maintains the tension of the fabric between the traction roller 2 when the sliding rod is restored to its original height, thereby ensuring that the fabric is smoothly conveyed onto the belt conveyor.

[0009] A further configuration of the present invention is as follows: the driving assembly includes a nut fixedly installed at one end of the sliding rod, a sliding sleeve fixedly installed at the other end of the sliding rod, a lead screw rotatably installed on the cutting machine frame and threadedly connected to the nut, a guide rod fixedly installed on the cutting machine frame and slidable by the sliding sleeve, and a drive motor installed on the cutting machine frame and driving the lead screw to rotate, wherein the guide rod and the lead screw are parallel and vertical to each other.

[0010] By adopting the above technical solution, when the sliding rod needs to slide, the drive motor three will drive the lead screw to rotate, causing the nut of the threaded lead screw to move up or down. The sliding rod will then slide up and down between the lead screw and the guide rod under the action of the nut. The sliding connection between the guide rod and the sliding sleeve ensures that the sliding rod remains horizontal during the up and down sliding process, thereby safely and smoothly driving the tension roller two to store the material and the tension traction roller two to distribute the material.

[0011] A further configuration of the present invention is as follows: the automatic sewing mechanism includes a sewing machine frame, a sewing device mounted on the sewing machine frame, and a fabric roll folding assembly mounted on the sewing machine frame and located below the sewing device. The fabric roll folding assembly includes a fabric roll table fixed to the sewing machine frame and located between the sewing device and the fabric roll changing frame, a slot formed on the fabric roll table, a sliding plate slidably inserted into the slot, a plurality of springs installed between the bottom of the slot and the sliding plate, a pair of arc-shaped roll plates hinged to the sliding plate, a drive cylinder fixedly mounted on the sewing machine frame and located above the fabric roll table, a pressure cylinder fixedly connected to the output end of the drive cylinder and located parallel to the two arc-shaped roll plates, a spiral-shaped folding roll plate fixed to the sewing machine frame, and a support arc plate fixed to the sewing machine frame and located between the folding roll plate and the fabric roll table. The arc-shaped roll plate, the support arc plate, and the folding roll plate are aligned parallel to each other.

[0012] By adopting the above technical solution, when the automatic sewing mechanism processes the fabric, the fabric first passes through the roll table and the gap between the arc-shaped roll plate and the pressure cylinder, thus initially rolling the flat fabric into a cylindrical shape. Next, the cylindrical fabric passes through the supporting arc plate and the folding roll plate, and is further rolled by them, causing one side of the fabric to fold over the other side. Finally, the sewing equipment sews the two sides of the fabric together, thus initially forming a hollow cylindrical filter bag shape. Specifically, when the drive cylinder moves the pressure cylinder away from the arc-shaped roll plate, the spring in the slot pushes the sliding plate upwards, and a pair of arc-shaped roll plates hinged to the sliding plate slowly open, facilitating the worker to pull the fabric through the roll table. When the drive cylinder moves the pressure cylinder closer to the arc-shaped roll plate, it moves closer to and pushes the sliding plate downwards, causing the arc-shaped roll plates on the sliding plate to slowly clamp each other, thus clamping the two sides of the fabric and initially rolling it into a cylindrical shape.

[0013] A further configuration of the present invention is as follows: the first pusher assembly includes a pusher plate slidably disposed on the rewinding frame, a second drive cylinder fixedly installed on the rewinding frame and pushing the pusher plate, a circular through hole opened on the pusher plate and coaxial with the lower end support shaft of the flipping plate, and a rotating rod rotatably installed on the pusher plate and coaxial with the upper end support shaft of the flipping plate. The support shaft is provided with a sliding hole for the rotating rod to be inserted into, and the diameter of the circular through hole is larger than the diameter of the support shaft.

[0014] By adopting the above technical solution, when it is necessary to replace the fabric roll, the second drive cylinder first drives the first push plate to push the fabric roll onto the support shaft at the lower end of the flipping plate. At the same time, the rotating rod is inserted into the sliding hole of the support shaft at the upper end of the flipping plate, thereby providing support for the suspended end of the support shaft to ensure that the fabric roll on the support shaft is rolled up smoothly and safely. After the fabric roll is used up, the second drive cylinder immediately drives the first push plate to pull out the rotating rod inserted into the sliding hole of the support shaft, so that the flipping plate can flip the fabric roll stored on the lower support shaft to the upper end for replacement. The circular opening of the first push plate allows the support shaft to pass through, thus ensuring that while the first push plate can completely hang the fabric roll onto the support shaft, the fabric roll is also centered on the support shaft, ensuring accurate unwinding of the fabric roll.

[0015] A further configuration of the present invention is as follows: multiple elongated through holes are uniformly formed on the inner and outer contour surfaces of the sliding hole of the support shaft, the elongated through holes are parallel to the axis of the support shaft, and a telescopic plate is inserted and slidably mounted on the elongated through holes. An arc-shaped tensioning plate is fixedly mounted on the side of the telescopic plate extending out of the support shaft. The side of the telescopic plate extending into the sliding hole of the support shaft is an inclined surface. The outer contour of the rotating rod is a conical surface and matches the inclined surface of the telescopic plate. An adjusting screw is threadedly connected to the push plate. One end of the rotating rod is rotatably connected to the adjusting screw. The support shaft has concave holes at both ends of the elongated through holes. A protruding post is fixedly mounted on the side of the arc-shaped tensioning plate near the support shaft, which is inserted into the concave hole. A spring 2 connecting the arc-shaped tensioning plate and the bottom of the concave hole is sleeved on the protruding post.

[0016] By adopting the above technical solution, when the rotating rod is inserted into the sliding hole of the support shaft, the conical surface on the rotating rod pushes the telescopic plate inside the sliding hole, causing the arc tensioning plate connected to the outside of the telescopic plate to open, thereby tensioning the center hole of the fabric roll on the support shaft to ensure stable unwinding of the fabric roll. When the rotating rod is pushed out of the sliding hole of the support shaft, the spring in the concave hole pulls back the arc tensioning plate and the protrusion, thereby loosening the tension fixation on the center hole of the fabric roll. The adjusting screw can adjust the depth of the rotating rod inserted into the sliding hole, thereby adjusting the telescopic height of the telescopic plate to control the opening size of the arc tensioning plate, allowing the support shaft to adapt to fabric rolls with different center hole sizes.

[0017] A further configuration of the present invention is as follows: the positioning component includes a pair of parallel spaced rotating drums one and two, the chain conveyor is fixedly mounted with support seats at both ends of rotating drums one and two, the two ends of rotating drums one and two are respectively rotatably connected to the support seats, and the support shaft is located directly above rotating drums one and two.

[0018] By adopting the above technical solution, the center hole of each fabric roll can be positioned above the middle of the first and second rotating drums, which facilitates the chain conveyor to quickly align the center hole of the fabric roll with the support shaft.

[0019] A further configuration of the present invention is as follows: the second pushing component includes three parallel spaced and fixed rods on the sliding frame, a pair of pressing rollers respectively rotatably mounted on the fixed rods near both sides of the sliding frame, a second pushing plate rotatably mounted on the fixed rod in the middle of the sliding frame, a roller rotatably mounted on the end of the second pushing plate away from the belt conveyor, a limiting plate slidably mounted on the cutting frame and located above the roller and sliding up and down, and a pair of limiting posts fixed to the sliding frame and used to limit the rotation range of the second pushing plate. The two limiting posts are respectively located on both sides of the end of the second pushing plate away from the cutting component. A pair of sliding rods are fixedly mounted on the side of the limiting plate away from the second pushing plate. The sliding rods are inserted into the sliding cutting frame, and a spring three connecting the cutting frame and the limiting plate is sleeved on the sliding rods. The two ends of the limiting plate are arc surfaces, and their two ends exceed the width of the belt conveyor but do not exceed the movement range of the first pushing plate. The lower end of the second pushing plate is in contact with the belt surface of the belt conveyor, and the pressing roller rolls on the belt surface of the belt conveyor.

[0020] By adopting the above technical solution, when the belt drive device drives the sliding frame to slide from one side of the belt conveyor, the pressure roller on the fixed rod on one side of the sliding frame will first press the filter bag of the belt conveyor by rolling, so as to ensure that the cutting component can stably cut and process the filter bag. At the same time, the roller will pass through the arc surface of one end of the limiting plate and enter below the limiting plate. Since spring three is set between the limiting plate and the cutting frame, when the roller passes through the end of the limiting plate and enters below the limiting plate, it not only causes the push plate two in the middle of the pressure cylinder to tilt towards the filter bag, but also cooperates with the limiting posts on both sides of the push plate two to ensure that the push plate two maintains its tilted movement on the belt conveyor. It can also maintain a certain gap between the push plate and the bag pressing cylinder. During the cutting process of the filter bag, the gradually cut part of the filter bag will enter the push plate through the gap. After the filter bag is completely cut, the push plate and the bag pressing roller on the sliding frame will leave from the other side of the belt conveyor, and the roller will leave from the other end of the limit plate, thereby releasing the restriction on the flipping of the push plate and allowing it to flip naturally to unload the cut filter bag. Finally, when the next round of filter bag cutting is about to begin, the drive cylinder will pull back the sliding frame that has moved to the other side of the belt conveyor and automatically push the filter bag away from the belt conveyor during the cutting process of the cutting component.

[0021] A further configuration of the present invention is as follows: the cutting assembly includes a pair of cutting saw discs respectively rotatably mounted on fixed rods near both sides of the sliding frame, three driven gears respectively rotatably mounted on three fixed rods and meshing sequentially, a driving gear rotatably mounted on the sliding frame and meshing with only one driven gear, and a drive motor fixedly mounted on the sliding frame and driving the driving gear to rotate. The two cutting saw discs are respectively fixedly connected to the driven gears on the fixed rods on both sides of the sliding frame. The diameter of the bag pressing roller and the driven gear is smaller than that of the cutting saw discs. The cutting frame is fixedly provided with a cutting table below the cutting saw discs. The cutting table has a saw groove for the lower end of the cutting saw discs to pass through.

[0022] By adopting the above technical solution, when the cutting assembly needs to cut the filter bag, the drive motor first drives the drive gear to rotate, causing the drive gear of the sprocket to mesh with the driven gear. Then, the driven gear meshes with other driven gears, causing the cutting saw disc connected to the driven gear to rotate. Finally, the rotating cutting saw disc moves down with the sliding frame to cut the filter bag to the required length. The simultaneous rotation of the two cutting saw discs ensures that the push plate can effectively push the cut portion of the filter bag as the sliding frame moves back and forth on both sides of the belt conveyor.

[0023] A further configuration of the present invention is as follows: the pressing assembly has a pair of rollers rotatably mounted at both ends of the bottom of the sliding frame and a pressing plate slidably mounted on the cutting table and located below the rollers. The bottom surface of the pressing plate is fixedly provided with a pair of sliding rods two near the two sides of the cutting table. The cutting table is provided with sliding holes two for the sliding rods two to be inserted into. A spring four is installed between the bottom of the sliding hole two and the lower end of the sliding rod two. The two ends of the pressing plate are arc surfaces, and the two ends do not exceed the movement range of the rollers.

[0024] By adopting the above technical solution, when the sliding frame moves from one side of the belt conveyor, the rollers on the sliding frame will pass through one end of the pressure plate and enter the pressure plate. Since the sliding rod two fixedly connected to the pressure plate and the sliding hole two of the cutting table are connected by springs, when the rollers pass through the pressure plate, they will press down on the pressure plate and the sliding rod two, and make the pressure plate press the filter bag above the cutting table. Finally, after the cutting component on the sliding frame finishes cutting, the rollers on the sliding frame will leave from the other end of the pressure plate, and the spring four at the bottom of the sliding hole two will push the pressure plate in the opposite direction and release the fixation of the filter bag, so that the subsequent filter bags can enter the belt conveyor from under the pressure plate for the next round of filter bag cutting processing.

[0025] The beneficial effects of this invention are:

[0026] 1. Through the flipping plate, support shaft and other structures in the automatic roll changing mechanism, not only can the effect of quickly changing the fabric roll be achieved, but the center of the fabric roll can also be automatically tensioned and fixed, thereby improving the efficiency of fabric roll changing and ensuring the stability of fabric roll unwinding.

[0027] 2. Through the conveying roller and traction roller in the automatic conveying mechanism, not only is the fabric conveyed in each mechanism, but the lifting and sliding tensioning roller can also automatically tension and store the fabric during the automatic cutting mechanism, thereby avoiding the filter bag cutting process occupying the filter bag sewing time and thus improving the filter bag production efficiency to a certain extent.

[0028] 3. The automatic sewing mechanism's roll-up folding component not only achieves the effect of automatically rolling up and folding both sides of the fabric, but also the liftable pressing cylinder allows the arc-shaped roll-up to automatically open and clamp. This facilitates workers to quickly pull the fabric through the roll-up table during the filter bag production preparation process, thereby shortening preparation time and improving filter bag production efficiency.

[0029] 4. Through the sliding frame, cutting component, and pushing component in the automatic cutting mechanism, not only can the cutting and unloading be carried out simultaneously, but the pressing component can also automatically press the filter bag by moving the sliding frame. This not only improves the production efficiency of filter bags, but also eliminates the need for drive equipment to move the cutting component and raise and lower the pressing plate, thereby saving on equipment purchase and maintenance costs for filter bag production, as well as energy consumption during equipment operation. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0032] Figure 2 This is a schematic diagram of the automatic roll changing mechanism of the present invention;

[0033] Figure 3 This is a schematic diagram showing the connection relationship between the support shaft and the rotating rod of the present invention;

[0034] Figure 4 yes Figure 3 Enlarged view of point A;

[0035] Figure 5 This is a schematic diagram of the automatic sewing mechanism of the present invention;

[0036] Figure 6 This is a schematic diagram showing the connection relationship between the arc-shaped rolled plate and the sliding plate of the present invention;

[0037] Figure 7 This is a schematic diagram of the automatic cutting mechanism of the present invention;

[0038] Figure 8 This is a schematic diagram of the feeding component 2 and the cutting component of the present invention;

[0039] Figure 9 This is a schematic diagram of the pressing assembly structure of the present invention;

[0040] In the diagram, 1. Automatic roll changing mechanism; 11. Roll changing frame; 12. Tilting plate; 13. Worm gear reducer motor; 14. Support shaft; 141. Sliding hole one; 142. Long through hole; 143. Concave hole; 15. Telescopic plate; 151. Circular arc tensioning plate; 151a. Protruding column; 16. Spring two; 17. Pushing assembly one; 171. Push plate one; 171a. Circular through hole; 172. Adjusting screw; 173. Drive cylinder two; 174. Rotating rod; 18. Chain conveyor. 19. Positioning assembly; 191. Rotary drum one; 192. Rotary drum two; 193. Support base; 2. Automatic sewing mechanism; 21. Sewing machine frame; 22. Sewing equipment; 23. Fabric roll folding assembly; 231. Fabric roll table; 232. Slot; 233. Sliding plate; 234. Spring one; 235. Arc-shaped roll plate; 236. Drive cylinder one; 237. Pressing cylinder; 238. Folding roll plate; 239. Support arc plate; 3. Automatic cutting mechanism; 31. Cutting machine frame; 32. Belt 33. Conveyor; 34. Sliding frame; 35. Belt drive device; 36. Pushing assembly II; 37. Fixed rod; 38. Bag pressing roller; 39. Push plate II; 30. Roller; 31. Limiting plate; 32. Sliding rod I; 33. Limiting post; 34. Spring III; 35. Cutting assembly; 36. Cutting saw disc; 37. Driven gear; 38. Drive gear; 39. Drive motor IV; 30. Cutting table; 31. Saw groove; 32. Pressing assembly; 33. 372. Roller; 373. Pressure plate; 374. Slide bar II; 375. Slide hole II; 376. Spring IV; 4. Automatic conveying mechanism; 477. Conveyor roller I; 48. Drive motor I; 49. Traction roller I; 40. Tension roller I; 41. Conveyor roller II; 42. Drive motor II; 43. Traction roller II; 44. Slide bar; 45. Drive assembly; 46. Nut; 477. Sliding sleeve; 48. Lead screw; 498. Guide rod; 499. Drive motor III. Detailed Implementation

[0041] The technical solution of the present invention will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0042] Example: An automated filter bag production system, such as Figure 1-9 As shown, the system includes an automatic roll changing mechanism 1, an automatic sewing mechanism 2, and an automatic cutting mechanism 3, as well as an automatic conveying mechanism 4 for conveying filter bag fabric between the three. The automatic roll changing mechanism 1 includes a roll changing frame 11, a tilting plate 12 rotatably mounted on the roll changing frame 11, a worm gear reducer motor 13 fixedly mounted on the roll changing frame 11 and driving the tilting plate 12 to rotate at its center, two support shafts 14 with one end rotatably connected to the upper and lower ends of the tilting plate 12, a pusher assembly 17 mounted on the roll changing frame 11 and located at the end of the support shaft 14 away from the tilting plate 12, and a chain conveyor 18 mounted on the roll changing frame 11 and located between the pusher assembly and the support shaft 14. Multiple positioning components 19 are spaced apart on the chain of the chain conveyor 18; the automatic cutting mechanism 3 includes a cutting frame 31, a belt conveyor 32 mounted on the cutting frame 31, a sliding frame 33 slidably mounted on the cutting frame 31 and located above the belt conveyor 32, a belt drive device 34 fixedly mounted on the cutting frame 31 and driving the sliding frame 33 to slide, a cutting component 36 and a second pushing component 35 respectively mounted on the sliding frame 33, and a pressing component 37 that can be lifted and lowered on the cutting frame 31. The cutting component 36 is located at one end of the belt conveyor 32, and the pressing component 37 and the second pushing component 35 are located on both sides of the cutting component 36.

[0043] When the fabric roll needs to be replaced, the chain conveyor first drives the positioning component 19, aligning the center hole of the fabric roll on the positioning component 19 with the support shaft 14 at the lower end of the flipping plate 12. Then, the pushing component 17 pushes the fabric roll from one side towards the support shaft 14, and after the new fabric roll is hooked on the support shaft 14, it automatically returns to its initial position. Then, the worm gear reducer motor 13 drives the flipping plate 12 to flip, causing the support shaft 14 at the lower end of the flipping plate 12 and the fabric roll to flip onto the flipping plate 12. The upper part facilitates workers to perform subsequent fabric traction or front and rear fabric connection. At the same time, the chain conveyor will also re-transport a new fabric roll during this period, so that the fabric roll is aligned with the support shaft 14 flipped to the lower end. Finally, the pushing component will push the fabric roll onto the support shaft 14 again. After the upper fabric roll is used up, the worm gear reducer motor 13 will quickly rotate and flip the lower fabric roll to the upper end, thereby improving the fabric roll replacement efficiency and reducing the workload of workers.

[0044] When the automatic cutting mechanism cuts the processed filter bag, the automatic conveying mechanism 4 first transports the sewn filter bag strip to the belt conveyor 32. The belt conveyor 32 then conveys and straightens the strip, facilitating the detection of the filter bag length while ensuring the stable operation of the subsequent cutting component 36 and pushing component 35. Once the filter bag strip reaches the appropriate length, the belt conveyor 32 and the automatic conveying mechanism 4 stop feeding new strips, and the pressing component 37 quickly presses the cut filter bag strip. The cut is made at the point of breakage to ensure a clean cut on the filter bag. Then, the belt drive device 34 drives the sliding frame 33 to move from one side of the belt conveyor 32, so that the cutting component 36 on the sliding frame 33 gradually cuts the long strip of filter bag from one end of the belt conveyor 32. At the same time, the pushing component 35 on the sliding frame 33 pushes the filter bag being cut toward one side of the belt conveyor 32. After the long strip of filter bag is completely cut, the required length of filter bag will be completely pushed off the belt conveyor 32 by the pushing component 35, thus achieving the effect of simultaneous cutting and unloading.

[0045] like Figure 2 , Figure 7 As shown, the automatic conveying mechanism 4 includes a pair of conveying rollers 41 rotatably mounted on the rewinding frame 11 and in parallel contact with each other; a drive motor 42 fixedly mounted on the rewinding frame 11 and driving the conveying rollers 41 to rotate; a pair of traction rollers 43 rotatably mounted on the rewinding frame 11 and located on both sides of the conveying rollers 41; a tension roller 44 rotatably mounted on the rewinding frame 11 and located between the conveying rollers 41 and the traction rollers 43; two pairs of conveying rollers 45 rotatably mounted on the cutting frame 31 and in parallel contact with each other; and a drive motor 42 fixedly mounted on the rewinding frame 11 and driving the conveying rollers 41. The following components are included: a drive motor 46, a pair of traction rollers 47 rotatably mounted on the cutting frame 31 and located between the two pairs of conveying rollers 45; a sliding rod 48 slidably mounted on the cutting frame 31 and located between the two traction rollers 47; a tension roller 481 rotatably mounted on the sliding rod 48; and a drive assembly 49 that drives the sliding rod 48 to slide up and down. The first conveying roller 41 and the second conveying roller 45 are located below the first traction roller 43 and the second traction roller 47, respectively. The first tension roller 44 and the second tension roller 481 are located below the first traction roller 43 and the second traction roller 47, respectively.

[0046] When the automatic conveying mechanism 4 conveys the fabric, the first drive motor 42 drives the first conveyor roller 41 to rotate, thereby pulling out the fabric from the fabric roll. The fabric is then smoothly conveyed to the automatic sewing mechanism 2 via the first traction roller 43 and the first tension roller 44. The second drive motor 46 drives the second conveyor roller 45 to rotate, thereby pulling out the filter bag processed by the automatic sewing machine. The filter bag is then smoothly conveyed to the belt conveyor 32 via the second traction roller 47 and the second tension roller 481. If the automatic cutting mechanism cuts the filter bag at this time, the pair of second conveyor rollers 45 near the belt conveyor 32 will stop rotating, and the drive unit... When component 49 drives sliding rod 48 and tension roller 481 to slide downward, it tensions and stores excess fabric between traction roller 47, thereby enabling automatic sewing mechanism 2 to remain operational during automatic cutting and unloading, thus improving the efficiency of filter bag production. Finally, after the automatic cutting and unloading is completed, a pair of conveyor rollers 45 near the belt conveyor 32 resume rotation and increase their speed to ensure that when drive component 49 restores the height of sliding rod 48, it maintains the tension of fabric between traction roller 47, thus ensuring that the fabric is smoothly conveyed onto belt conveyor 32.

[0047] like Figure 7 As shown, the drive assembly 49 includes a nut 491 fixedly installed at one end of the sliding rod 48, a sliding sleeve 492 fixedly installed at the other end of the sliding rod 48, a lead screw 493 rotatably installed on the cutting frame 31 and threadedly connected to the nut 491, a guide rod 494 fixedly installed on the cutting frame 31 and sliding for the sliding sleeve 492, and a drive motor 495 installed on the cutting frame 31 to drive the lead screw 493 to rotate. The guide rod 494 and the lead screw are parallel and vertical to each other. When the sliding rod 48 needs to slide, the drive motor 495 drives the lead screw to rotate, causing the nut 491 threadedly connected to the lead screw to move up or down. The sliding rod 48 will then slide up and down between the lead screw and the guide rod 494 under the action of the nut 491. The sliding connection between the guide rod 494 and the sliding sleeve 492 ensures that the sliding rod 48 remains horizontal during the up and down sliding process, thereby safely and smoothly driving the tension roller 481 to store and the tension traction roller 47 to distribute the material.

[0048] like Figure 5 , Figure 6As shown, the automatic sewing mechanism 2 includes a sewing machine frame 21, a sewing device 22 mounted on the sewing machine frame 21, and a fabric roll folding assembly 23 mounted on the sewing machine frame 21 and located below the sewing device 22. The fabric roll folding assembly 23 includes a fabric roll table 231 fixed to the sewing machine frame 21 and located between the sewing device 22 and the fabric roll changing frame 11, a slot 232 opened in the fabric roll table 231, a sliding plate 233 slidably inserted into the slot 232, a plurality of springs 234 installed between the bottom of the slot 232 and the sliding plate 233, and a pair of hinges. The components include an arc-shaped roll plate 235 on the sliding plate 233, a drive cylinder 236 fixedly installed on the sewing machine frame 21 and located above the fabric rolling table 231, a pressure cylinder 237 fixedly connected to the output end of the drive cylinder 236 and located parallel to the two arc-shaped roll plates 235, a spiral-shaped folding roll plate 238 fixed on the sewing machine frame 21, and a support arc plate 239 fixed on the sewing machine frame 21 and located between the folding roll plate 238 and the fabric rolling table 231. The arc-shaped roll plate 235, the support arc plate 239, and the folding roll plate 238 are aligned parallel to each other.

[0049] When the automatic sewing mechanism 2 processes the fabric, the fabric first passes through the fabric rolling table 231 and through the gap between the arc-shaped rolling plate 235 and the pressing cylinder 237, thus initially rolling the flat fabric into a cylindrical shape. Then, the cylindrical fabric passes through the supporting arc plate 239 and the folding rolling plate 238, and is further rolled by the supporting arc plate 239 and the folding rolling plate 238, so that one side of the fabric is folded on top of the other side of the fabric. Finally, the sewing device 22 sews the two sides of the fabric together, thus initially forming a hollow cylindrical filter bag shape. When the drive cylinder 236 drives the pressing cylinder 237 away from the arc-shaped rolling plate 235, the spring 234 in the slot 232 pushes the sliding plate 233 to slide upward. The pair of arc-shaped rolling plates 235 hinged on the sliding plate 233 will slowly open, making it easier for the staff to pull the fabric through the rolling table 231. When the drive cylinder drives the pressing cylinder 237 to approach the arc-shaped rolling plate 235, it will approach and push the sliding plate 233 to move downward. The arc-shaped rolling plates 235 on the sliding plate 233 will then slowly clamp each other, thereby clamping the fabric on both sides and initially rolling it into a cylindrical shape.

[0050] like Figure 2 , Figure 3As shown, the pusher assembly 17 includes a pusher plate 171 slidably mounted on the roll changing frame 11, a drive cylinder 173 fixedly mounted on the roll changing frame 11 and pushing the pusher plate 171, a circular through hole 171a opened on the pusher plate and coaxial with the lower end support shaft 14 of the flipping plate 12, and a rotating rod 174 rotatably mounted on the pusher plate 171 and coaxial with the upper end support shaft 14 of the flipping plate 12. The support shaft 14 has a sliding hole 141 for the rotating rod 174 to be inserted into. The diameter of the circular through hole 171a is larger than the diameter of the support shaft 14. When it is necessary to change the fabric roll, the drive cylinder is first activated. Drive cylinder 173 will drive push plate 171 to push the fabric roll onto the support shaft 14 at the lower end of the flipping plate 12. Simultaneously, rotating rod 174 will insert into the sliding hole of the support shaft 14 at the upper end of the flipping plate 12, providing support for the suspended end of the support shaft 14. This ensures the fabric roll on the support shaft 14 is rolled up smoothly and safely. After the fabric roll is used up, drive cylinder 173 will immediately drive push plate 1 to pull out the rotating rod 174 inserted into the sliding hole of the support shaft 14, allowing the flipping plate 12 to flip the fabric roll stored on the lower support shaft 14 to the upper end for replacement. The circular opening of push plate 171 allows the support shaft 14 to pass through, ensuring that while push plate 171 can completely hang the fabric roll onto the support shaft 14, the fabric roll is also centered on the support shaft 14, guaranteeing accurate unwinding of the fabric roll.

[0051] like Figure 3 , Figure 4As shown, the inner and outer contour surfaces of the sliding hole of the support shaft 14 are evenly provided with multiple elongated through holes 142 that pass through and connect to the sliding hole 141. The elongated through holes 142 are parallel to the axis of the support shaft 14, and a telescopic plate 15 is inserted and slidably connected to the elongated through hole 142. An arc tensioning plate 151 is fixedly provided on the side of the telescopic plate 15 that extends out of the support shaft 14. The side of the telescopic plate 15 that extends into the sliding hole 141 of the support shaft 14 is an inclined slope. The outer contour of the rotating rod 174 is a conical surface and matches the inclined surface of the telescopic plate 15. The push plate 171 is threadedly connected to an adjusting screw 172. One end of the rotating rod 174 is rotatably connected to the adjusting screw 172. The support shaft 14 has recessed holes 143 at both ends of the elongated through hole 142. The arc tensioning plate 151 A protruding post 151a with an insertion recess 143 is fixedly provided on one side near the support shaft 14. A spring 16 is sleeved on the protruding post 151a and installed on the connecting arc tension plate 151 and the bottom of the recess 143. When the rotating rod 174 is inserted into the sliding hole 141 of the support shaft 14, the conical surface on the rotating rod 174 will push the telescopic plate 15 in the sliding hole 141, causing the arc tension plate 151 connected to the outside of the telescopic plate 15 to open, thereby tensioning the center hole of the fabric roll on the support shaft 14 to ensure the stability of the unwinding of the fabric roll. When the rotating rod 174 is pushed out of the sliding hole 141 of the support shaft 14, the spring in the recess 143 will pull back the arc tension plate 151 and the protruding post 151a, thereby loosening the tension fixation on the center hole of the fabric roll. The adjusting screw 172 can adjust the depth of the sliding hole 141 into which the rotating rod 174 is inserted, thereby adjusting the extension height of the telescopic plate 15 to control the opening size of the arc tension plate 151, so that the support shaft 14 can adapt to fabric rolls of different sizes of the center hole.

[0052] like Figure 2 As shown, the positioning assembly 19 includes a pair of parallel spaced rotating drums 191 and 192. The chain conveyor 18 is fixedly mounted with support seats 193 at both ends of the rotating drums 191 and 192. The support seats 193 are rotatably connected to both ends of the rotating drums 191 and 192. The support shaft 14 is located directly above the rotating drums 191 and 192, which enables the center hole of each fabric roll to be positioned above the middle of the rotating drums 191 and 192, thereby facilitating the chain conveyor 18 to quickly align with the center hole of the fabric roll and the support shaft 14.

[0053] like Figure 7 , Figure 8As shown, the second pusher assembly 35 includes three parallel, spaced-apart fixed rods 351 fixed to the sliding frame 33; a pair of pressure rollers 352 rotatably mounted on the fixed rods 351 near both sides of the sliding frame 33; a second pusher plate 353 rotatably mounted on the fixed rod 351 in the middle of the sliding frame 33; a roller 354 rotatably mounted on the pusher plate 353 at the end away from the belt conveyor 32; a limiting plate 356 slidably mounted on the cutting frame 31 and located above the roller 354, sliding up and down; and a pair of limiting posts 358 fixed to the sliding frame 33 and used to limit the rotation range of the second pusher plate 353. The two limiting posts 358 are respectively positioned... On both sides of the end of the push plate 2 353 away from the cutting component 36, a pair of slide rods 1 357 are fixedly installed on the side of the limiting plate 356 away from the push plate 2 353. The slide rods 1 357 are inserted into the sliding cutting frame 31, and springs 3 359 connecting the cutting frame 31 and the limiting plate 356 are sleeved on the slide rods 1 357. The two ends of the limiting plate 356 are arc surfaces, and the two ends exceed the width of the belt conveyor 32 but do not exceed the movement range of the push plate 1 171. The lower end of the push plate 2 353 is in contact with the belt surface of the belt conveyor 32, and the bag pressing roller 352 rolls on the belt surface of the belt conveyor 32.

[0054] When the belt drive device 34 drives the sliding frame 33 to slide from one side of the belt conveyor 32, the pressure roller 352 on the fixed rod 351 on one side of the sliding frame 33 will first press the filter bag of the belt conveyor 32 by rolling, so as to ensure that the cutting component 36 can stably cut and process the filter bag. At the same time, the roller 354 will pass through the arc surface of one end of the limiting plate 356 and enter below the limiting plate 356. Since the limiting plate 356 and the cutting frame 31 are provided with spring 359, when the roller 354 passes through the end of the limiting plate 356 and enters below the limiting plate 356, it not only makes the push plate 2 353 in the middle of the pressure cylinder tilt towards the filter bag, but also cooperates with the limiting posts 358 on both sides of the push plate 2 353 to ensure that the push plate 2 353 maintains its tilted movement on the belt conveyor. While the machine 32 is in operation, it can also maintain a certain gap between the push plate 353 and the bag pressing cylinder. Thus, during the process of the cutting component 36 cutting the filter bag, the gradually cut part of the filter bag will enter the push plate 353 through this gap. After the filter bag is completely cut, the push plate 353 and the bag pressing roller 352 on the sliding frame 33 will leave from the other side of the belt conveyor 32, while the roller 354 will leave from the other end of the limit plate 356, thereby releasing the restriction on the flipping of the push plate 353, allowing it to flip naturally to unload the cut filter bag. Finally, when the next round of filter bag cutting is about to begin, the drive cylinder will pull back the sliding frame 33 that has moved to the other side of the belt conveyor 32, and automatically push the filter bag off the belt conveyor 32 during the cutting process of the cutting component 36.

[0055] like Figure 7 , Figure 8As shown, the cutting assembly 36 includes a pair of cutting saw discs 361 rotatably mounted on fixed rods 351 near both sides of the sliding frame 33, three driven gears 362 rotatably mounted on three fixed rods 351 and meshing sequentially, a driving gear 363 rotatably mounted on the sliding frame 33 and meshing with only one driven gear 362, and a drive motor 364 fixedly mounted on the sliding frame 33 and driving the driving gear 363 to rotate. The two cutting saw discs 361 are respectively fixedly connected to the driven gears 362 on the fixed rods 351 on both sides of the sliding frame 33. The diameter of the bag pressing roller 352 and the driven gears 362 is smaller than that of the cutting saw discs. 361. A cutting table 365 is fixedly installed below the cutting disc on the cutting frame 31. The cutting table 365 has a saw groove 366 for the lower end of the cutting saw disc 361 to pass through. When the cutting assembly 36 needs to cut the filter bag, the drive motor 364 first drives the drive gear 363 to rotate, causing the sprocket drive gear 363 to mesh with the driven gear 362. Then, the driven gear 362 will mesh with other driven gears 362, causing the cutting saw disc 361 connected to the driven gear 362 to rotate. Finally, the rotating cutting saw disc 361 will move down with the sliding frame 33 to cut the filter bag to the required length. The two cutting saw discs 361 rotate simultaneously, ensuring that the push plate 353 can effectively push the cut portion of the filter bag when the sliding frame 33 moves back and forth on both sides of the belt conveyor 32.

[0056] like Figure 8 , Figure 9 As shown, the pressing assembly 37 has a pair of rollers 371 rotatably mounted at both ends of the bottom of the sliding frame 33, and a pressing plate 372 slidably mounted on the cutting table 365 and located below the rollers 371. A pair of sliding rods 373 are fixedly mounted on the bottom surface of the pressing plate 372 near both sides of the cutting table 365. The cutting table 365 has sliding holes 374 for the sliding rods 373 to insert into. A spring 375 is installed between the bottom of the sliding hole 374 and the lower end of the sliding rod 373. The two ends of the pressing plate 372 are arc-shaped surfaces, and their ends do not exceed the movement range of the guide wheels. When the sliding frame 33 moves from one side of the belt conveyor 32, the rollers 371 on the sliding frame 33 will pass through one end of the pressing plate 372 and enter the pressing area. On plate 372, since the sliding rod 373 fixedly connected to the pressure plate 372 and the sliding hole 374 of the cutting table 365 are connected to a spring, when the roller 371 passes over the pressure plate 372, it will press down on the pressure plate 372 and the sliding rod 373, and make the pressure plate 372 press the filter bag above the cutting table 365. Finally, after the cutting component 36 on the sliding frame 33 finishes cutting, the roller 371 on the sliding frame 33 will leave from the other end of the pressure plate 372, and the spring 375 at the bottom of the sliding hole 374 will push the pressure plate 372 in the opposite direction and release the fixation of the filter bag, so that the subsequent filter bag enters the belt conveyor 32 from below the pressure plate 372 for the next round of filter bag cutting processing.

Claims

1. An automated filter bag production system, characterized in that, The system includes an automatic roll changing mechanism (1), an automatic sewing mechanism (2), and an automatic cutting mechanism (3), as well as an automatic conveying mechanism (4) for conveying filter bag fabric between the three. The automatic roll changing mechanism (1) includes a roll changing frame (11), a flip plate (12) rotatably mounted on the roll changing frame (11), a worm gear reducer motor (13) fixedly mounted on the roll changing frame (11) and driving the center of the flip plate (12) to rotate, two support shafts (14) with one end rotatably connected to the upper and lower ends of the flip plate (12), a pusher assembly (17) mounted on the roll changing frame (11) and located at the end of the support shaft (14) away from the flip plate (12), a chain conveyor (18) mounted on the roll changing frame (11) and located between the pusher assembly and the support shaft (14), and multiple spaced... A positioning component (19) is placed on the chain of the chain conveyor (18); the automatic cutting mechanism (3) includes a cutting frame (31), a belt conveyor (32) installed on the cutting frame (31), a sliding frame (33) slidably disposed on the cutting frame (31) and located above the belt conveyor (32), a belt drive device (34) fixedly installed on the cutting frame (31) and driving the sliding frame (33) to slide, a cutting component (36) and a second pushing component (35) respectively installed on the sliding frame (33), and a pressing component (37) that can be lifted and lowered on the cutting frame (31). The cutting component (36) is located at one end of the belt conveyor (32), and the pressing component (37) and the second pushing component (35) are located on both sides of the cutting component (36); The first pusher assembly (17) includes a pusher plate (171) slidably disposed on the rewinding frame (11), a second drive cylinder (173) fixedly installed on the rewinding frame (11) and pushing the pusher plate (171), a circular through hole (171a) opened on the pusher plate and coaxial with the lower end support shaft (14) of the flipping plate (12), and a rotating rod (174) rotatably installed on the pusher plate (171) and coaxial with the upper end support shaft (14) of the flipping plate (12). The support shaft (14) is provided with a sliding hole (141) for the rotating rod (174) to be inserted. The diameter of the circular through hole (171a) is larger than the diameter of the support shaft (14). The inner and outer contour surfaces of the sliding hole of the support shaft (14) are evenly provided with multiple elongated through holes (142) that pass through and connect to the first sliding hole (141). The elongated through holes (142) are parallel to the axis of the support shaft (14), and a telescopic plate (15) is inserted and slidably mounted on the elongated through hole (142). An arc tensioning plate (151) is fixedly mounted on the side of the telescopic plate (15) that extends out of the support shaft (14). The side of the telescopic plate (15) that extends into the first sliding hole (141) of the support shaft (14) is an inclined slope. The outer contour of the rotating rod (174) is a conical surface, and is located at the... The inclined surfaces of the telescopic plate (15) fit together. The push plate (171) is threaded with an adjusting screw (172). One end of the rotating rod (174) is rotatably connected to the adjusting screw (172). The support shaft (14) has recessed holes (143) at both ends of the elongated through hole (142). The arc tension plate (151) is fixed with a protrusion (151a) that inserts into the recessed hole (143) on one side near the support shaft (14). The protrusion (151a) is fitted with a spring (16) that connects the arc tension plate (151) and the bottom of the recessed hole (143).

2. The automatic filter bag production system according to claim 1, characterized in that: The automatic conveying mechanism (4) includes a pair of conveying rollers (41) rotatably mounted on the rewinding frame (11) and in parallel contact with each other, a drive motor (42) fixedly mounted on the rewinding frame (11) and driving the conveying rollers (41) to rotate, a pair of traction rollers (43) rotatably mounted on the rewinding frame (11) and located on both sides of the conveying rollers (41), a tension roller (44) rotatably mounted on the rewinding frame (11) and located between the conveying rollers (41) and the traction rollers (43), two pairs of conveying rollers (45) rotatably mounted on the cutting frame (31) and in parallel contact with each other, and a drive motor (42) fixedly mounted on the rewinding frame (11) and driving the conveying rollers (45) to rotate. The device includes a second drive motor (46), a pair of traction rollers (47) rotatably mounted on the cutting frame (31) and located between two pairs of conveying rollers (45), a sliding rod (48) slidably mounted on the cutting frame (31) and located between the two traction rollers (47) and sliding up and down, a tension roller (481) rotatably mounted on the sliding rod (48), and a drive assembly (49) that drives the sliding rod (48) to slide up and down. The first conveying roller (41) and the second conveying roller (45) are located below the first traction roller (43) and the second traction roller (47), respectively. The first tension roller (44) and the second tension roller (481) are located below the first traction roller (43) and the second traction roller (47), respectively.

3. The automatic filter bag production system according to claim 2, characterized in that: The drive assembly (49) includes a nut (491) fixedly installed on one end of the sliding rod (48), a sliding sleeve (492) fixedly installed on the other end of the sliding rod (48), a lead screw (493) rotatably installed on the cutting frame (31) and threadedly connected to the nut (491), a guide rod (494) fixedly installed on the cutting frame (31) and allowing the sliding sleeve (492) to slide, and a drive motor (495) installed on the cutting frame (31) and driving the lead screw (493) to rotate. The guide rod (494) and the lead screw are parallel and vertical to each other.

4. The automatic filter bag production system according to claim 1, characterized in that: The automatic sewing mechanism (2) includes a sewing machine frame (21), a sewing device (22) mounted on the sewing machine frame (21), and a fabric roll folding assembly (23) mounted on the sewing machine frame (21) and located below the sewing device (22). The fabric roll folding assembly (23) includes a fabric roll table (231) fixed to the sewing machine frame (21) and located between the sewing device (22) and the fabric roll changing frame (11), a slot (232) opened on the fabric roll table (231), a sliding plate (233) slidably inserted into the slot (232), a plurality of springs (234) installed between the bottom of the slot (232) and the sliding plate (233), and a pair of hinges. The circular arc plate (235) attached to the sliding plate (233), the drive cylinder (236) fixedly installed on the sewing machine frame (21) and located above the fabric rolling table (231), the pressure cylinder (237) fixedly connected to the output end of the drive cylinder (236) and located parallel to the two circular arc plates (235), the folding plate (238) fixed on the sewing machine frame (21) and in a spiral shape, and the support arc plate (239) fixed on the sewing machine frame (21) and located between the folding plate (238) and the fabric rolling table (231), the circular arc plate (235), the support arc plate (239) and the folding plate (238) are aligned parallel to each other.

5. The automatic filter bag production system according to claim 1, characterized in that: The positioning component (19) includes a pair of parallel spaced rotating drums 1 (191) and 2 (192). The chain conveyor (18) is fixedly mounted with support seats (193) at both ends of rotating drums 1 (191) and 2 (192). The support seats (193) are rotatably connected to both ends of rotating drums 1 (191) and 2 (192). The support shaft (14) is located directly above rotating drums 1 (191) and 2 (192).

6. The automatic filter bag production system according to claim 1, characterized in that: The second pusher assembly (35) includes three parallel and spaced fixed rods (351) fixed on the sliding frame (33), a pair of bag-pressing rollers (352) respectively rotatably mounted on the fixed rods (351) near both sides of the sliding frame (33), a second pusher plate (353) rotatably mounted on the middle fixed rod (351) of the sliding frame (33), a roller (354) rotatably mounted on the end of the second pusher plate (353) away from the belt conveyor (32), a limiting plate (356) slidably mounted on the cutting frame (31) and located above the roller (354) and sliding up and down, and a pair of limiting posts (358) fixed to the sliding frame (33) and used to limit the rotation range of the second pusher plate (353). The two limiting posts (358) are respectively located on the pusher plate. On both sides of the end away from the cutting component (36) of the second (353), a pair of slide rods (357) are fixedly provided on the side of the limiting plate (356) away from the push plate (353). The slide rods (357) are inserted into the sliding cutting frame (31), and springs (359) connecting the cutting frame (31) and the limiting plate (356) are sleeved on the slide rods (357). The two ends of the limiting plate (356) are arc surfaces, and the two ends of them exceed the width of the belt conveyor (32) but do not exceed the movement range of the push plate (171). The lower end of the push plate (353) is in contact with the belt surface of the belt conveyor (32), and the bag pressing roller (352) rolls on the belt surface of the belt conveyor (32).

7. The automatic filter bag production system according to claim 6, characterized in that: The cutting assembly (36) includes a pair of cutting saw discs (361) rotatably mounted on the fixed rods (351) on both sides of the sliding frame (33), three driven gears (362) rotatably mounted on the three fixed rods (351) and meshing in sequence, a driving gear (363) rotatably mounted on the sliding frame (33) and meshing with only one driven gear (362), and a drive motor (364) fixedly mounted on the sliding frame (33) and driving the driving gear (363) to rotate. The two cutting saw discs (361) are respectively fixedly connected to the driven gears (362) on the fixed rods (351) on both sides of the sliding frame (33). The diameter of the bag pressing roller (352) and the driven gear (362) is smaller than that of the cutting saw discs (361). The cutting machine frame (31) is fixedly provided with a cutting table (365) below the cutting saw discs. The cutting table (365) has a saw groove (366) for the lower end of the cutting saw discs (361) to pass through.

8. The automatic filter bag production system according to claim 1, characterized in that: The pressing assembly (37) has a pair of rollers (371) rotatably mounted on both ends of the bottom of the sliding frame (33) and a pressing plate (372) slidably mounted on the cutting table (365) and located below the rollers (371). The bottom surface of the pressing plate (372) is fixedly provided with a pair of sliding rods (373) near both sides of the cutting table (365). The cutting table (365) is provided with sliding holes (374) for the sliding rods (373) to be inserted. A spring (375) is installed between the bottom of the sliding hole (374) and the lower end of the sliding rod (373). The two ends of the pressing plate (372) are arc surfaces, and the two ends do not exceed the movement range of the rollers (371).

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