Shaft pulling device for non-woven fabric production

Abstract

The invention relates to a shaft pulling device for non-woven fabric production, which comprises a shaft pulling rack positioned beside a cutting rack, the cutting rack and the shaft pulling rack are sequentially arranged along the length direction of a winding shaft, a shaft pulling mechanism is arranged on the shaft pulling rack, the shaft pulling mechanism is movably mounted on the shaft pulling rack along the A direction, and the shaft pulling mechanism is movably mounted on the winding shaft along the B direction. The shaft pulling mechanism is provided with a shaft clamping part used for detachably clamping the end of the winding shaft, the shaft pulling mechanism is connected with the shaft pulling adjusting mechanism A1, the shaft clamping part is connected with the shaft pulling adjusting mechanism A2, the shaft pulling adjusting mechanism A1 adjusts the shaft pulling mechanism to be close to or away from the slitting rack, and the shaft pulling adjusting mechanism A2 adjusts the shaft clamping part to conduct clamping or releasing. And the direction A is the body length direction of the winding shaft during winding. According to the scheme, the winding shaft obtained after cutting and winding is pulled out through the shaft pulling adjusting mechanism A1, rapid separation of the winding shaft and the cut non-woven fabric roll is achieved, follow-up manual shaft pulling is avoided, the labor intensity is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of nonwoven fabric production equipment, and more specifically to a shaft pulling device for nonwoven fabric production. Background Technology

[0002] In the nonwoven fabric cutting process, a paper tube needs to be fitted onto a feed roller (air-expanding roller) to wind up the cut nonwoven fabric. After cutting and winding, the nonwoven fabric needs to be sent to the next process for wrapping, so the feed roller inside the paper tube needs to be removed beforehand. Traditionally, the feed roller is removed manually. Due to the length and weight of the feed roller, manual operation is time-consuming, labor-intensive, and physically demanding. Therefore, it is necessary to solve this problem. Summary of the Invention

[0003] The purpose of this invention is to provide a shaft-pulling device for nonwoven fabric production, which facilitates the removal of the material shaft and improves the production efficiency of nonwoven fabric.

[0004] The technical solution adopted in this invention is as follows.

[0005] A shaft-pulling device for nonwoven fabric production, characterized in that: it includes a shaft-pulling frame located next to a slitting frame, the slitting frame and the shaft-pulling frame are arranged sequentially along the length direction of the take-up shaft, a shaft-pulling mechanism is provided on the shaft-pulling frame, the shaft-pulling mechanism is movably mounted on the shaft-pulling frame along direction A, the shaft-pulling mechanism has a shaft-clamping part for detachably clamping the end of the take-up shaft, the shaft-pulling mechanism is connected to a shaft-pulling adjustment mechanism A1, the shaft-clamping part is connected to a shaft-pulling adjustment mechanism A2, the shaft-pulling adjustment mechanism A1 adjusts the shaft-pulling mechanism to move closer to or further away from the slitting frame, and the shaft-pulling adjustment mechanism A2 adjusts the shaft-clamping part to clamp or loosen, direction A being the length direction of the take-up shaft during winding.

[0006] The specific solution is as follows: the clamping shaft part is installed vertically and connected to the A3 shaft pulling adjustment mechanism. The A3 shaft pulling adjustment mechanism adjusts the clamping shaft part to raise and lower it.

[0007] The shaft pulling frame is set between the two slitting frames. The shaft pulling frame is equipped with two sets of shaft pulling mechanisms, which are used to pull the winding shafts on the two slitting frames respectively.

[0008] The shaft pulling frame is set between the two cutting frames. A set of shaft pulling mechanisms is set on the shaft pulling frame. The shaft pulling mechanisms are rotatably mounted on the shaft pulling frame via a vertically arranged F-axis. The shaft pulling mechanisms are connected to the A4 shaft pulling adjustment mechanism. The A4 shaft pulling adjustment mechanism adjusts the shaft pulling mechanisms to rotate around the F-axis.

[0009] The shaft pulling frame includes a shaft pulling mounting beam A1 and a shaft pulling mounting beam A2. The length direction of the shaft pulling mounting beams A1 and A2 is consistent with the A direction. The shaft pulling mounting beams A1 and A2 are arranged at intervals relative to each other along the B direction, which is a horizontal direction perpendicular to the A direction. The shaft pulling mechanism includes an A1 sliding mounting seat installed between the A1 and A2 shaft pulling mounting beams. The A1 shaft pulling adjustment mechanism is connected to the A1 sliding mounting seat. A shaft pulling bracket A is suspended and installed on the A1 sliding mounting seat. An A2 sliding mounting seat A2 is installed on the A1 sliding mounting bracket and is slidably installed in the vertical direction. The shaft clamping part is installed on the A2 sliding mounting seat. The A2 sliding mounting seat A3 is connected to the shaft pulling adjustment mechanism.

[0010] The clamping part includes a three-jaw chuck mounted on the A2 sliding mounting base. The three-jaw chuck has three A sliders that are slidably mounted in the radial direction. The A sliders are provided with pull-out clamping jaws for clamping the end of the take-up shaft. The A2 pull-out adjustment mechanism adjusts the three pull-out clamping jaws to move closer or further apart from each other.

[0011] The shaft clamping jaw is composed of a plate-shaped part. One end of the plate-shaped part is fixedly assembled and connected to slider A. The side of the plate-shaped part near the center line of the three-jaw chuck is called side A1. A square gap is provided in the plate-shaped part at the end of side A1 near the three-jaw chuck. A protruding bump is provided in the middle of the other end of side A1 towards the center line of the three-jaw chuck.

[0012] The inner sides of the A1 and A2 shaft-pulling mounting beams are respectively provided with A1 shaft-pulling slide rails and A2 shaft-pulling slide rails arranged along the A direction. The A1 sliding mounting seat is provided with A1 shaft-pulling sliders and A2 shaft-pulling sliders that are slidably assembled with the A1 and A2 shaft-pulling slide rails, respectively. The A1 shaft-pulling adjustment mechanism includes A1 shaft-pulling sprockets respectively provided at both ends of the A1 shaft-pulling mounting beam and an A1 shaft-pulling chain provided between the two A1 shaft-pulling sprockets. The A1 sliding mounting seat and the A1 shaft-pulling chain are fixedly connected. One of the A1 shaft-pulling sprockets is connected to the A1 shaft-pulling drive motor. The A shaft-pulling bracket is provided with two vertically arranged A3 shaft-pulling slide rails. The A2 sliding mounting seat is provided with A3 shaft-pulling slide rails that are slidably assembled with the A3 shaft-pulling slide rails. The A3 shaft-pulling adjustment mechanism includes an A3 shaft-pulling cylinder. The cylinder body of the A3 shaft-pulling cylinder is fixedly assembled with the A shaft-pulling bracket, and the piston rod of the A3 shaft-pulling cylinder is fixedly assembled with the A2 sliding mounting seat.

[0013] It also includes an A1 lifting guide roller that supports the other end of the take-up shaft of the slitting device. The length direction of the A1 lifting guide roller is arranged perpendicular to the length direction of the take-up shaft. The A1 lifting guide roller is rotatably mounted on the A1 lifting bracket, which is connected to the A1 lifting cylinder.

[0014] A nonwoven fabric production system includes a shaft-pulling device for nonwoven fabric production and a cutting device for cutting the nonwoven fabric.

[0015] The present invention provides a solution in which the A1 shaft pulling adjustment mechanism pulls out the winding shaft after cutting and winding, thereby achieving rapid separation of the winding shaft and the cut nonwoven fabric roll, avoiding the need for subsequent manual shaft pulling, reducing labor intensity and improving production efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the shaft pulling device.

[0017] Figure 2 This is a schematic diagram of another embodiment of the shaft pulling device.

[0018] Figure 3 This is a schematic diagram of the shaft pulling mechanism.

[0019] Figure 4 This is an assembly diagram of the shaft pulling device and the cutting equipment.

[0020] Figure 5 A schematic diagram of the assembly of the shaft pulling device and two sets of cutting equipment.

[0021] Figure 6 This is a schematic diagram of the cutting device.

[0022] Figure 7 This is a schematic diagram of the lifting and adjusting mechanism A.

[0023] Figure 8 for Figure 7 Enlarged diagram of point A in the middle.

[0024] Figure 9 This is a schematic diagram of the cutting mechanism, winding mechanism, and unloading mechanism.

[0025] Figure 10 for Figure 9 A schematic diagram of the structure after removing the winding drive roller.

[0026] Figure 11 for Figure 10 A schematic diagram of the structure after removing the A2 lifting guide roller.

[0027] Drawing number descriptions: 100-Shaft pulling device, 101-A1 Shaft pulling mounting beam, 102-A2 Shaft pulling mounting beam, 103-A1 Shaft pulling slide rail, 104-Shaft pulling support frame, 105-A1 Shaft pulling drive motor, 106-A1 Shaft pulling chain, 111-A1 Sliding mounting seat, 112-A Shaft pulling bracket, 113-A2 Sliding mounting seat, 114-A3 Shaft pulling slide rail, 115-A3 Shaft pulling cylinder, 121-Three-jaw chuck, 12 2-Shaft clamping claw, 200-Slitting device, 201-Assembly frame, 202-Right slitting machine frame, 203-A2 conveyor roller, 204-A1 conveyor roller, 205-Rewinding drive roller, 206-Guide table, 207-Suction pipe, 210-A slide rail, 211-A lifting adjustment cylinder, 212-Upper sprocket, 213-Drive chain, 214-U-shaped component, 215-A slider, 216-A translation cylinder, 217-Connecting... 218 - Assembly tube, 219 - Take-up shaft, 220 - Synchronous shaft, 221 - Lifting adjustment cylinder, 222 - Slider, 223 - Pressing shaft, 224 - Gear, 225 - Rack, 226 - Synchronous shaft, 231 - Lifting cylinder, 232 - Lifting guide roller, 233 - Lifting bracket, 234 - Lifting slide rail, 241 - Tilting adjustment cylinder, 242 - Tensioning shaft, 243 - Counterweight Shaft, 251-Unloading Adjustment Cylinder, 252-Unloading Adjustment Arm, 253-Unloading Assembly Shaft, 254-Swing Arm, 255-Unloading Push Shaft, 261-Sensor, 271-Cutter Holder, 272-Cutter, 273-Cover, 274-Connecting Pipe, 275-Cutter Mounting Beam, 276-Cutter Shaft, 277-Bottom Cutter, 281-A2 Lifting Guide Roller, 282-A2 Lifting Cylinder, 283-A Guide Component, 284-A1 Cylinder. Detailed Implementation

[0028] To make the objectives and advantages of this invention clearer, the invention will be specifically described below with reference to embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of the invention and does not strictly limit the scope of protection specifically claimed by the invention.

[0029] As used herein, the terms “parallel,” “perpendicular,” and the like are not limited to their strict geometric definitions, but include tolerances for reasonable and inconsistent machining or human errors.

[0030] like Figure 1 As shown, Figure 1As shown, a shaft-pulling device 100 for nonwoven fabric production includes a shaft-pulling frame located beside a slitting frame. The slitting frame and the shaft-pulling frame are arranged sequentially along the length direction of the take-up shaft. A shaft-pulling mechanism is provided on the shaft-pulling frame, and the shaft-pulling mechanism is movably mounted on the shaft-pulling frame along direction A. The shaft-pulling mechanism has a shaft-clamping part for detachably clamping the end of the take-up shaft. The shaft-pulling mechanism is connected to a shaft-pulling adjustment mechanism A1, and the shaft-clamping part is connected to a shaft-pulling adjustment mechanism A2. The shaft-pulling adjustment mechanism A1 adjusts the shaft-pulling mechanism to move closer to or further away from the slitting frame, and the shaft-pulling adjustment mechanism A2 adjusts the shaft-clamping part to tighten or loosen. Direction A is the length direction of the take-up shaft during winding. By pulling the slitting and winding take-up shaft through the shaft-pulling adjustment mechanism A1, the take-up shaft and the slitting nonwoven fabric roll are quickly separated, avoiding the need for subsequent manual shaft pulling, reducing labor intensity and improving production efficiency.

[0031] like Figure 3 As shown: The clamping shaft part is vertically movable and connected to the A3 shaft pulling adjustment mechanism, which adjusts the height of the clamping shaft part. The A3 shaft pulling adjustment mechanism allows for height adjustment of the clamping shaft part to accommodate the pulling requirements of different sized winding shafts. Simultaneously, when shaft pulling is not required, the clamping shaft part can be adjusted to a clearance position, reusing the space below and providing a route for the AVG trailer to transfer and transport nonwoven fabric within the workshop.

[0032] like Figure 5 As shown, a shaft-pulling frame is positioned between two slitting frames. The shaft-pulling frame is equipped with two sets of shaft-pulling mechanisms, each used to pull the winding shafts from the two slitting frames. In this embodiment, the two sets of shaft-pulling mechanisms have identical structures but opposite directions, thereby achieving both shaft-pulling and shaft-installation processing of the winding shafts on the slitting equipment on both sides. Specifically, as shown... Figure 2 As shown. Another embodiment is as follows: The shaft pulling frame is set between the two slitting frames. A set of shaft pulling mechanisms is set on the shaft pulling frame. The shaft pulling mechanisms are rotatably mounted on the shaft pulling frame via a vertically arranged F-axis. The shaft pulling mechanisms are connected to the A4 shaft pulling adjustment mechanism, which adjusts the rotation of the shaft pulling mechanisms around the F-axis. That is, a turntable is set on the shaft pulling mechanism. The turntable is rotatably mounted via the F-axis. By adjusting the rotation of the turntable, the orientation of the shaft pulling mechanism can be adjusted, thereby realizing the shaft pulling and shaft mounting processing of the winding shafts on both sides of the slitting equipment. Since the winding shaft is quite long, reaching more than 3 meters, the width of the shaft pulling frame must be greater than the length of the winding shaft, which requires a lot of factory space. In the above two embodiments, by having two sets of slitting equipment share one set of shaft pulling device 100, the factory space requirement can be effectively reduced and the factory space utilization rate can be improved. In these two embodiments, the two ends of the A1 shaft pulling mounting beam 101 and the A2 shaft pulling mounting beam 102 are respectively installed on the slitting frame of the slitting equipment.

[0033] like Figure 3 As shown: The shaft pulling frame includes A1 shaft pulling mounting beam 101 and A2 shaft pulling mounting beam 102. The length direction of A1 shaft pulling mounting beam 101 and A2 shaft pulling mounting beam 102 is consistent with the A direction. A1 shaft pulling mounting beam 101 and A2 shaft pulling mounting beam 102 are arranged at intervals opposite each other along the B direction, which is a horizontal direction perpendicular to the A direction. The shaft pulling mechanism includes A1 sliding mounting seat 111 installed between A1 shaft pulling mounting beam 101 and A2 shaft pulling mounting beam 102. A1 shaft pulling adjustment mechanism is connected to A1 sliding mounting seat 111. A shaft pulling bracket 112 is provided on A1 sliding mounting seat 111 in a suspended manner. A2 sliding mounting seat 113 is provided on A1 shaft pulling bracket 112 and is slidably installed in the vertical direction. The shaft clamping part is installed on A2 sliding mounting seat 113. A2 sliding mounting seat 113 is connected to A3 shaft pulling adjustment mechanism. The shaft clamping part includes a three-jaw chuck 121 mounted on an A2 sliding mounting base 113. The three-jaw chuck 121 has three radially slidable A-sliders, each equipped with a shaft-pulling jaw 122 for clamping the end of the take-up shaft. An A2 shaft-pulling adjustment mechanism adjusts the three shaft-pulling jaws 122 to move closer or further apart. For a nonwoven fabric production system equipped with a set of shaft-pulling devices 100 for a set of slitting equipment, one end of both the A1 shaft-pulling mounting beam 101 and the A2 shaft-pulling mounting beam 102 is mounted on the slitting frame of the slitting equipment, and the other end is mounted on a separately provided shaft-pulling support frame 104.

[0034] The pull-out clamping jaw 122 is a plate-shaped component. One end of the plate-shaped component is fixedly connected to slider A. The side of the plate-shaped component near the center line of the three-jaw chuck 121 is designated as side A1. A square notch is provided inside the plate-shaped component at the end of side A1 near the three-jaw chuck 121, and a protruding block is provided in the middle of the other end of side A1 near the center line of the three-jaw chuck 121. The pull-out adjustment mechanism A2 can be a pneumatic or electric adjustment component for adjusting the clamping or loosening of the three-jaw chuck 121, and can be implemented according to the existing pneumatic or electric three-jaw chuck 121 implementation. The pull-out clamping jaw 122 with the above structure can reliably and quickly clamp the end of the winding shaft, improving the reliability, stability, and convenience of pull-out and shaft mounting. The inner sides of the A1 shaft-pulling mounting beam 101 and the A2 shaft-pulling mounting beam 102 are respectively provided with A1 shaft-pulling slide rails 103 and A2 shaft-pulling slide rails arranged along the A direction. The A1 sliding mounting seat 111 is provided with A1 shaft-pulling sliders and A2 shaft-pulling sliders that are slidably assembled with the A1 shaft-pulling slide rails 103 and A2 shaft-pulling slide rails, respectively. The A1 shaft-pulling adjustment mechanism includes A1 shaft-pulling sprockets respectively provided at both ends of the A1 shaft-pulling mounting beam 101 and an A1 shaft-pulling chain 106 provided between the two A1 shaft-pulling sprockets. The A1 sliding mounting seat 111 and the A1 shaft-pulling chain 106... 06 Fixed connection, one of the A1 shaft pulling sprockets is connected to the A1 shaft pulling drive motor 105; the A shaft pulling bracket 112 is provided with two vertically arranged A3 shaft pulling slide rails 114, the A2 sliding mounting seat 113 is provided with A3 shaft pulling slide rails 114 that are slidably assembled with the A3 shaft pulling slide rails 114, the A3 shaft pulling adjustment mechanism includes an A3 shaft pulling cylinder 115, the cylinder body of the A3 shaft pulling cylinder 115 is fixedly assembled with the A shaft pulling bracket 112, and the piston rod of the A3 shaft pulling cylinder 115 is fixedly assembled with the A2 sliding mounting seat 113. A lifting and locking assembly is also provided between the A2 sliding mounting base 113 and the A-shaft puller bracket 112 to lock the sliding of the A2 sliding mounting base 113. The lifting and locking assembly can be implemented as follows: it includes an A1 locking rack vertically fixed on the A-shaft puller bracket 112 and an A1 locking block slidably mounted on the A2 sliding mounting base 113 in the horizontal direction. The A1 locking block is connected to an A1 locking adjustment cylinder, which adjusts the locking engagement or disengagement of the A1 locking block and the A1 locking rack. By setting up the lifting and locking assembly, the vertical movement of the A2 sliding mounting base 113 can be locked, preventing vertical wobbling during shaft pull-out and ensuring the subsequent reverse assembly of the winding shaft.

[0035] The A1 and A3 shaft-pulling adjustment mechanisms described above enable the shaft-pulling mechanism to reliably move away from or near the slitting equipment, and to reliably clamp or release the end of the take-up shaft, ensuring the reliability of shaft-pulling and shaft-installation processes. It also includes an A1 lifting guide roller that supports the other end of the take-up shaft removed from the slitting equipment. The length direction of the A1 lifting guide roller is perpendicular to the length direction of the take-up shaft. The A1 lifting guide roller is rotatably mounted on an A1 lifting bracket, which is connected to an A1 lifting cylinder.

[0036] The present invention also provides a nonwoven fabric production system, including a shaft-pulling device 100 for nonwoven fabric production and a cutting device for cutting the nonwoven fabric. The structure of the cutting device is as follows: Figure 6 As shown, the slitting equipment includes a conveying mechanism for transporting nonwoven fabric, a slitting mechanism for slitting the transported nonwoven fabric along its width, a winding mechanism for winding up the slitted nonwoven fabric, and an unloading mechanism for unloading the wound nonwoven fabric. The conveying mechanism has a conveying section that transports the nonwoven fabric at an angle, and the slitting mechanism is located beside the conveying section. The slitting mechanism includes slitting cutters, which are spaced apart along the width of the nonwoven fabric beside the conveying section. The slitting cutters cut the nonwoven fabric along its length. The slitting cutters are configured to be adjustable along the width of the nonwoven fabric, thus adapting to different slitting requirements and expanding the range of applications. Specifically, the conveying section includes an A1 conveying roller 204 and an A2 conveying roller 203 arranged above and below to guide the nonwoven fabric, with a cutter shaft 276 positioned between the A1 conveying roller 204 and the A2 conveying roller 203.

[0037] like Figure 10As shown: The slitting mechanism also includes a cutter mounting beam 275, which is arranged along the width direction of the nonwoven fabric. The slitting cutter is movably and adjustablely mounted on the cutter mounting beam 275 along its length direction. The slitting cutter includes a circular cutter 272 and a cutter holder 271. The cutter 272 is rotatably mounted on the cutter holder 271, and the cutter holder 271 is movably mounted on the cutter mounting beam 275. The cutter holder 271 is equipped with a cutter adjustment assembly for adjusting the cutter 272 to move away from or closer to the nonwoven fabric. The slitting mechanism also includes a cutter shaft 276, which is arranged along the width direction of the nonwoven fabric. The cutter shaft 276 and the cutter mounting beam 275 are positioned on opposite sides of the nonwoven fabric. The slitting cutter also includes annular bottom cutters 277 spaced apart on the cutter shaft 276. The bottom cutters 277 are movably and adjustablely mounted on the cutter shaft 276 along its length direction. Each bottom cutter 277 corresponds to a circular cutter 272. Specifically, the cutter 272 is rotatably mounted on the cutter holder 271 and is driven to rotate by a drive assembly on the cutter holder 271. When the cutter 272 and the cutter holder 271 are arranged opposite each other, the rotating cutter 272 can reliably cut the nonwoven fabric passing between the cutter 272 and the cutter holder 271. The adjustment assembly can specifically be a propulsion adjustment assembly for adjusting the advance of the cutter 272 and / or a swing adjustment assembly for adjusting the left and right swing of the cutter 272. Specifically, it can be composed of a cylinder. If it is adjusted to swing left and right, the cutter 272 can be rotatably mounted on the cutter holder, which is rotatably mounted on the cutter holder 271 via a rotating shaft.

[0038] A suction device is installed beside the cutter 272 to remove dust and debris generated during cutting. Specifically, an openable and closable cover 273 can be installed outside the cutter 272, with a portion of the cutter blade located outside the cover 273. The suction device includes a suction pipe 207 arranged horizontally above the cutter shaft 276. Connecting pipes 274, spaced apart, are installed on the suction pipe 207 to communicate with each cover 273. The suction pipes 207 are connected to the suction device. This suction device reliably removes dust and other impurities generated during cutting, maintaining workshop cleanliness and improving product quality.

[0039] like Figure 9 , 10As shown: The winding mechanism includes a winding shaft 219, with both ends of the winding shaft 219 detachably mounted on two A-lifting seats. The A-lifting seats are vertically mounted on the slitting frame. The slitting frame is equipped with an A-lifting adjustment mechanism for adjusting the lifting of the A-lifting seats. A winding drive roller 205 is located on the lower side of the winding shaft 219, driving the nonwoven fabric roll on the winding shaft 219 to rotate. The roller surface of the winding drive roller 205 is in rolling contact with the outer surface of the nonwoven fabric roll. There are two winding drive rollers 205, and the winding shaft 219 is located on the upper side of the two winding drive rollers 205. Specifically, the winding shaft 219 can be an air-expanding shaft. A roll is sleeved on the winding shaft 219, and one end of the nonwoven fabric is then attached to the roll. The two winding drive rollers 205 drive the roll to rotate, thereby achieving reliable winding of the slit nonwoven fabric. The lifting adjustment mechanism raises the A lifting seat to accommodate the increased thickness of the nonwoven fabric as it is wound up, ensuring reliable winding. The A lifting seat is equipped with an assembly tube 218 for mounting to the end of the winding shaft 219. The assembly tube 218 is movably mounted on the A lifting seat along the length of the winding shaft 219. The A lifting seat is equipped with an A translation cylinder 216 for adjusting the movement of the assembly tube 218. By adjusting the movement of the assembly tube 218, the clamping and unloading of the winding shaft 219 can be adjusted, facilitating the loading of the winding shaft 219 and the unloading of the cut nonwoven fabric.

[0040] like Figure 6 , 7As shown in Figure 8, the winding of the cut nonwoven fabric is equivalent to winding multiple sets of nonwoven fabric simultaneously. Therefore, strict control of the nonwoven fabric's offset and tightness is required to prevent the wound nonwoven fabric from sticking together or running off-center. Furthermore, a pressure shaft 223 is provided on the upper side of the winding shaft 219. The pressure shaft 223 is arranged parallel to the winding shaft 219, and its two ends are rotatably mounted on lifting seats B. The lifting seats B are connected to a lifting adjustment mechanism B that adjusts their lifting. The pressure shaft 223 is used to press the nonwoven fabric on the winding shaft 219. When the winding shaft 219 winds the nonwoven fabric, it drives the pressure shaft 223 to rotate, pressing the nonwoven fabric tightly, thereby achieving reliable and tight winding of the nonwoven fabric, reducing the probability of loose nonwoven fabric and running off-center. Since lifting seats A and B are respectively installed at both ends of the winding shaft 219 and the pressing shaft 223, to ensure the reliability of winding, the lifting of the two lifting seats A and the two lifting seats B must be kept consistent. Therefore, a further solution is as follows: the slitting frame includes a left slitting frame section and a right slitting frame section 202. Vertically arranged assembly frame plates 201 are respectively installed on the left and right slitting frame sections 202. The surface of the assembly frame plate 201 is perpendicular to the winding shaft 219. A vertically arranged elongated A-shaped gap is provided on the assembly frame plate 201. The inner side plate of the assembly frame plate 201... A vertically arranged slide rail 210 is provided on the surface. The lifting seat A includes a slider 215 located inside the assembly frame plate 201 and an inverted U-shaped U-shaped part 214 located outside the assembly frame plate 201. The slider 215 is slidably assembled with the slide rail 210, and the U-shaped part 214 is fixedly assembled with the slider 215. The U-shaped part 214 extends to the lower side of the slider 215. The translation cylinder 216 is fixedly installed on the slider 215. The assembly tube 218 is located below the slider 215 and inside the U-shaped part 214. The assembly tube 218 is connected to the piston rod of the translation cylinder 216 through a connector. Upper sprocket 212 and lower sprocket are respectively provided on the upper and lower sides of the travel of the U-shaped component 214. The upper sprocket 212 and lower sprocket are connected by a transmission chain 213. The U-shaped component 214 and the transmission sprocket are fixedly connected. The U-shaped component 214 is connected to the piston cylinder of the lifting and adjusting cylinder 211 A provided on the outer plate of the assembly plate. The lower sprockets on the left and right cutting frame sections 202 are connected by transmission through the synchronous shaft 220 A. The transmission chain 213 is located on the periphery of the A gap section.The B lifting seat includes a B slider 222 located inside the assembly frame plate 201, above the A slider 215. The B slider 222 is slidably mounted on the A slide rail 210. The two ends of the pressing shaft 223 are rotatably mounted on the B slider 222. The B slider 222 is also equipped with a rotatably mounted B gear 224, which meshes with a vertically arranged B rack 225 fixedly mounted inside the assembly frame plate 201. The B slider 222 is connected to the piston cylinder of the B lifting adjustment cylinder 221 located on the inner surface of the assembly plate. The B gears 224 on the left and right cutting frame sections 202 are connected by a B synchronous shaft 226. The A synchronous shaft 220 and the B synchronous shaft 226 ensure reliable lifting adjustment of the A and B lifting seats, as well as synchronous lifting of the two A lifting seats and the two B lifting seats, preventing the nonwoven fabric from deviating during winding and sticking together.

[0041] like Figure 6 As shown: The unloading mechanism includes an unloading push shaft 255 and an unloading adjustment assembly. The unloading push shaft 255 is movably mounted on the slitting frame and is arranged parallel to the take-up shaft 219. The unloading adjustment assembly adjusts the unloading push shaft 255 to push the slit nonwoven fabric roll on the take-up shaft 219 out of the slitting mechanism. Both ends of the unloading push shaft 255 are suspended on the unloading assembly shaft 253 via swing arms 254. The unloading assembly shaft 253 is rotatably mounted on the slitting frame. One end of the unloading assembly shaft 253 on the slitting frame is also provided with a fixedly installed unloading adjustment arm 252. The unloading adjustment arm 252 and the swing arm 254 are arranged at an angle. The overhanging end of the unloading adjustment arm 252 is hinged to the piston cylinder of the unloading adjustment cylinder 251. The unloading adjustment cylinder 251 is arranged in an inverted position, and the cylinder body of the unloading adjustment cylinder 251 is hinged to the slitting frame. In this way, the unloading push shaft 255 can be adjusted to rotate around the unloading assembly shaft 253 by the unloading adjustment cylinder 251, thereby pushing the cut nonwoven fabric roll on the side to roll out of the cutting mechanism, thus realizing reliable and convenient unloading of the cut nonwoven fabric roll.

[0042] like Figure 10 , 11As shown, the slitting frame is also equipped with a guide platform 206 for removing the nonwoven fabric roll. The guide platform 206 and the unloading push shaft 255 are respectively located on both sides of the winding drive roller 205. The winding drive roller 205 is connected to the winding drive mechanism. The guide platform 206 facilitates the removal of the wound nonwoven fabric. The guide platform 206 also facilitates the placement of the winding shaft 219 between the two winding drive rollers 205. Furthermore, both ends of the take-up shaft 219 are provided with A guide members 283. A guide members 283 are connected to the piston cylinder of A1 cylinder 284. A1 cylinder 284 adjusts the guide members to lift and lower. A guide member 283 includes a U-shaped guide part and an inclined guide part that extends from one side of the U-shaped guide part toward the side close to the guide table 206 and gradually increases in height. A guide member 283 is located inside A slider 215, and the U-shaped guide part is located between the ends of the two take-up drive rollers 205. When placing the take-up shaft 219, cylinder A1 284 adjusts guide A 283 to a low position, placing the take-up shaft 219 on the guide table 206. Cylinder A1 284 then adjusts guide A 283 to a high position. As the inclined guide rises, it lifts the shaft end of the take-up shaft 219, causing it to roll and fall into the U-shaped guide. Then, guide A 283 is lowered, accurately, reliably, and conveniently placing the take-up shaft 219 on the two take-up drive rollers 205. Finally, the assembly tube 218 clamps the end of the take-up shaft 219. This solves the problem of the large distance between the take-up drive rollers 205 and the outer side of the slitting frame, making the assembly of the take-up shaft 219 inconvenient. The inner side of the A-guide component 283 is also provided with an A2 lifting guide roller 281 for lifting the take-up shaft 219. The length direction of the A2 lifting guide roller 281 is arranged perpendicular to the length direction of the take-up shaft 219. The A2 lifting guide roller 281 is rotatably mounted on the A2 lifting bracket. The A2 lifting bracket is fixedly mounted on the piston cylinder of the A2 lifting cylinder. The A2 lifting cylinder 282 adjusts the A2 lifting guide roller 281 to raise and lower. An A1 lifting guide roller 232 is provided on the outer side of the mounting plate 201 on the right-side slitting frame 202. The length direction of the A1 lifting guide roller 232 is perpendicular to the length direction of the take-up shaft 219. The A1 lifting guide roller 232 is rotatably mounted on the A1 lifting bracket 233. The A1 lifting bracket 233 is slidably assembled with the A1 lifting slide rail 234 provided on the outer plate of the mounting plate 201. The A1 lifting bracket 233 is connected to the piston cylinder of the A1 lifting cylinder 231 fixedly mounted on the mounting frame. The A1 lifting cylinder 231 adjusts the A1 lifting guide roller 232 for lifting and lowering. The size of the A-gap section allows the take-up shaft 219 to pass through. The take-up shaft 219 is specifically an air-expanding shaft. The A2 lifting guide roller 281 allows for reliable alignment between the end of the take-up shaft 219 and the mounting tube 218. By setting up the A2 lifting guide roller 281, the winding shaft 219 after winding can be pulled out from the drum by setting up the shaft pulling device.The specific operation is as follows: When assembling the take-up shaft 219, a sleeve of the appropriate size is fitted onto the take-up shaft 219. Then, the take-up shaft 219 is inflated to fix the sleeve in place. Next, the take-up shaft 219 with the sleeve is assembled to wind up the non-woven fabric. After winding is complete, the air in the take-up shaft 219 is released, and the take-up shaft 219 is pulled out from the sleeve. The shaft pulling device is a separate piece of equipment that can clamp the end of the take-up shaft 219 and pull the take-up shaft to move. The conveying mechanism also includes a tensioning shaft 242 located below the unloading push shaft 255 for tensioning the conveyed nonwoven fabric. The tensioning shaft 242 is rotatably mounted on a turning frame, which is equipped with a counterweight shaft 243 that matches the tensioning shaft 242. The turning frame is rotatably mounted on a cutting machine frame via axis A. The tensioning shaft 242 and the counterweight shaft 243 are positioned on opposite sides of axis A. The cutting machine frame is equipped with a turning adjustment cylinder 241 for adjusting the turning of the turning frame. Through the above-mentioned tensioning mechanism, the tension of the nonwoven fabric can be reliably adjusted, thereby adjusting the tension of the nonwoven fabric and preventing deviation.

[0043] In this invention, the nonwoven fabric roll is sequentially conveyed by a tensioning shaft and an A2 conveying roller to a space between a cutter and a bottom cutter for slitting. The slitted nonwoven fabric is then guided by an A1 conveying guide roller to a winding shaft 219 for winding. Two winding drive rollers 205 drive the winding shaft 219 to rotate and wind the fabric. A pressing shaft 223 winds the wound nonwoven fabric. The slitted nonwoven fabric roll is then unloaded by a discharge push shaft 255. The winding shaft 219 can be pulled out before the nonwoven fabric roll is unloaded by a shaft pulling device, or it can be pulled out after the nonwoven fabric is unloaded. The above-mentioned solution provided by this invention can reliably slit nonwoven fabric with good slitting quality and can reliably unload the slitted nonwoven fabric roll, improving production efficiency and reducing production costs. A feeding device for unwinding the nonwoven fabric can also be installed upstream of the slitting equipment; the feeding device can be implemented with reference to the applicant's prior application.

[0044] The above description is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described or explained in this invention are implemented according to conventional methods in the art unless otherwise specified or limited.

Claims

1. A shaft-pulling device for nonwoven fabric production, characterized in that: The device includes a shaft pulling frame located next to the slitting frame. The slitting frame and the shaft pulling frame are arranged sequentially along the length of the take-up shaft. The shaft pulling frame is equipped with a shaft pulling mechanism, which is movably mounted on the shaft pulling frame along direction A. The shaft pulling mechanism has a shaft clamping part for detachably clamping the end of the take-up shaft. The shaft pulling mechanism is connected to the A1 shaft pulling adjustment mechanism, and the shaft clamping part is connected to the A2 shaft pulling adjustment mechanism. The A1 shaft pulling adjustment mechanism adjusts the shaft pulling mechanism to move closer to or further away from the slitting frame, and the A2 shaft pulling adjustment mechanism adjusts the shaft clamping part to clamp or loosen it. Direction A is the length direction of the take-up shaft during winding.

2. The shaft-pulling device for nonwoven fabric production according to claim 1, characterized in that: The clamping shaft part is installed vertically and is connected to the A3 shaft adjustment mechanism. The A3 shaft adjustment mechanism adjusts the clamping shaft part to raise and lower it.

3. The shaft-pulling device for nonwoven fabric production according to claim 1 or 2, characterized in that: The shaft pulling frame is set between the two slitting frames. The shaft pulling frame is equipped with two sets of shaft pulling mechanisms, which are used to pull the winding shafts on the two slitting frames respectively.

4. The shaft-pulling device for nonwoven fabric production according to claim 1 or 2, characterized in that: The shaft pulling frame is set between the two cutting frames. A set of shaft pulling mechanisms is set on the shaft pulling frame. The shaft pulling mechanisms are rotatably mounted on the shaft pulling frame via a vertically arranged F-axis. The shaft pulling mechanisms are connected to the A4 shaft pulling adjustment mechanism. The A4 shaft pulling adjustment mechanism adjusts the shaft pulling mechanisms to rotate around the F-axis.

5. The shaft-pulling device for nonwoven fabric production according to claim 1 or 2, characterized in that: The shaft pulling frame includes a shaft pulling mounting beam A1 and a shaft pulling mounting beam A2. The length direction of the shaft pulling mounting beams A1 and A2 is consistent with the A direction. The shaft pulling mounting beams A1 and A2 are arranged at intervals relative to each other along the B direction, which is a horizontal direction perpendicular to the A direction. The shaft pulling mechanism includes an A1 sliding mounting seat installed between the A1 and A2 shaft pulling mounting beams. The A1 shaft pulling adjustment mechanism is connected to the A1 sliding mounting seat. A shaft pulling bracket A is suspended and installed on the A1 sliding mounting seat. An A2 sliding mounting seat A2 is installed on the A1 sliding mounting bracket and is slidably installed in the vertical direction. The shaft clamping part is installed on the A2 sliding mounting seat. The A2 sliding mounting seat A3 is connected to the shaft pulling adjustment mechanism.

6. The shaft-pulling device for nonwoven fabric production according to claim 5, characterized in that: The clamping part includes a three-jaw chuck mounted on the A2 sliding mounting base. The three-jaw chuck has three A sliders that are slidably mounted in the radial direction. The A sliders are provided with pull-out clamping jaws for clamping the end of the take-up shaft. The A2 pull-out adjustment mechanism adjusts the three pull-out clamping jaws to move closer or further apart from each other.

7. The shaft-pulling device for nonwoven fabric production according to claim 6, characterized in that: The shaft clamping jaw is composed of a plate-shaped part. One end of the plate-shaped part is fixedly assembled and connected to slider A. The side of the plate-shaped part near the center line of the three-jaw chuck is called side A1. A square gap is provided in the plate-shaped part at the end of side A1 near the three-jaw chuck. A protruding bump is provided in the middle of the other end of side A1 towards the center line of the three-jaw chuck.

8. The shaft-pulling device for nonwoven fabric production according to claim 7, characterized in that: The inner sides of the A1 and A2 shaft-pulling mounting beams are respectively provided with A1 shaft-pulling slide rails and A2 shaft-pulling slide rails arranged along the A direction. The A1 sliding mounting seat is provided with A1 shaft-pulling sliders and A2 shaft-pulling sliders that are slidably assembled with the A1 and A2 shaft-pulling slide rails, respectively. The A1 shaft-pulling adjustment mechanism includes A1 shaft-pulling sprockets respectively provided at both ends of the A1 shaft-pulling mounting beam and an A1 shaft-pulling chain provided between the two A1 shaft-pulling sprockets. The A1 sliding mounting seat and the A1 shaft-pulling chain are fixedly connected. One of the A1 shaft-pulling sprockets is connected to the A1 shaft-pulling drive motor. The A shaft-pulling bracket is provided with two vertically arranged A3 shaft-pulling slide rails. The A2 sliding mounting seat is provided with A3 shaft-pulling slide rails that are slidably assembled with the A3 shaft-pulling slide rails. The A3 shaft-pulling adjustment mechanism includes an A3 shaft-pulling cylinder. The cylinder body of the A3 shaft-pulling cylinder is fixedly assembled with the A shaft-pulling bracket, and the piston rod of the A3 shaft-pulling cylinder is fixedly assembled with the A2 sliding mounting seat.

9. The shaft-pulling device for nonwoven fabric production according to claim 8, characterized in that: It also includes an A1 lifting guide roller that supports the other end of the take-up shaft of the slitting device. The length direction of the A1 lifting guide roller is arranged perpendicular to the length direction of the take-up shaft. The A1 lifting guide roller is rotatably mounted on the A1 lifting bracket, which is connected to the A1 lifting cylinder.

10. A nonwoven fabric production system, comprising a shaft-pulling device for nonwoven fabric production as described in any one of claims 1 to 9 and a cutting device for cutting the nonwoven fabric.

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