Self-cleaning type winding device and method for automatic sewing of cloth lace

Abstract

The invention discloses a self-cleaning type winding device and method for automatic sewing of cloth lace, and relates to the technical field of cloth winding devices.The self-cleaning type winding device comprises an unwinding mechanism, a winding mechanism and a plurality of first guide shafts which are arranged on a rack; a cleaning mechanism is arranged on the rack; the cleaning mechanism comprises a rotating cylinder, a dust collector and a driving mechanism; wherein the rotating cylinder is rotationally connected to the rack around the axis of the rotating cylinder, and cloth is tensioned on the rotating cylinder through the multiple first guide shafts; the rotating cylinder comprises a concave part and a convex part which are arranged at an interval, and a first through hole is formed in the concave part. By arranging the cleaning mechanism, in the whole cloth outputting and winding process, on one hand, the scraping and cleaning effect is achieved through friction between a protruding part and cloth, and on the other hand, fluff impurities are sucked through suction force generated by a dust collector; the two cleaning modes have a synergistic effect, and the self-cleaning function of the cloth in the winding process is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of cloth winding devices, and in particular to a self-cleaning winding device and method for automatic sewing of cloth lace. Background Art

[0002] Automatic sewing of fabric lace is a technology that uses automated equipment to sew lace. This technology realizes automated sewing through a combination of a lace folding machine, a lace sewing machine and a feeding mechanism. During the automatic sewing of fabric lace, a certain amount of fluff and other debris will inevitably adhere to the fabric, causing it to be reeled up together with the fabric during subsequent reeling. As a result, the reeled fabric is not clean enough and is not convenient for subsequent use of the fabric. Therefore, when reeling the fabric, the fabric is generally cleaned. However, the existing self-cleaning fabric reeling device still has the following problems during use.

[0003] For example, Chinese patent publication number CN119735038A discloses a self-cutting textile fabric winding device, comprising a frame, a winding member installed at the rear end of the frame, two connecting shafts symmetrically arranged above the frame near the front edge, a brush cylinder coaxially fixedly installed in the middle of the outer surface of the two connecting shafts, one end of the two connecting shafts coaxially inlaid with a connecting gear, the two connecting gears meshing with each other, a support member provided between the ends of the two connecting shafts and the frame, a combing member provided on the brush cylinder, the combing member connected to the support member, and a cutting member installed at the rear end of the upper end of the frame. The present invention ensures the cleanliness of the fabric after winding, facilitating the subsequent use of the fabric, while also ensuring the cleaning effect of the brush cylinder on the fabric, and can also facilitate the cleaning of debris collected in the collection shell, making it convenient to use.

[0004] The aforementioned fabric rewinding device uses a rotating brush drum to clean the fabric, but this cleaning method has significant drawbacks. It can only clean the surface of the fabric, and is difficult to thoroughly clean inside patterned and thick fabrics, resulting in poor cleaning results. Furthermore, the high friction between the brush drum and the fabric can easily damage lint-laden fabrics during the cleaning process. Summary of the Invention

[0005] In order to overcome the above-mentioned technical problems, the purpose of the present invention is to provide a self-cleaning winding device and method for automatic sewing of fabric lace, which is used to solve the problem that the existing brush-type rotating cleaning method proposed in the above-mentioned background technology has poor cleaning effect and is easy to cause damage to the fabric.

[0006] The purpose of the present invention can be achieved through the following technical solutions: A self-cleaning winding device for automatic sewing of fabric lace comprises a unwinding mechanism, a winding mechanism and a plurality of first guide shafts arranged on a frame; a cleaning mechanism is provided on the frame; the cleaning mechanism comprises: a rotating drum, a dust collector and a driving mechanism; wherein the rotating drum is connected to the frame by rotating around its axis, and the fabric is tensioned on the rotating drum through the plurality of first guide shafts; the rotating drum comprises recessed portions and raised portions arranged at intervals, and a first through hole is provided on the recessed portion; the dust collector is mounted on the frame, and the input end of the dust collector is coaxially connected to the output end of the rotating drum for rotation; the driving mechanism is mounted on the frame and is used to drive the rotating drum to rotate in a direction opposite to the fabric conveying direction.

[0007] Preferably, a connecting pipe is coaxially fixed in the rotating cylinder, and a second through hole is opened on the connecting pipe; external air enters the rotating cylinder through the first through hole and is guided into the connecting pipe through the second through hole; the input end of the vacuum cleaner is coaxially connected to the connecting pipe.

[0008] Preferably, the driving mechanism includes a motor, a first belt transmission mechanism, a rotating shaft and a pair of second belt transmission mechanisms; the motor is installed on the frame, the output end of the motor is connected to the rotating drum through the first belt transmission mechanism, the rotating shaft is connected to the frame by rotating around its axis, and the two ends of the rotating shaft are respectively connected to the two ends of the rotating drum through a pair of second belt transmission mechanisms.

[0009] Preferably, a cylinder is mounted on the frame; a friction block is fixedly provided at the output end of the cylinder and is used to brake the transmission of the second belt transmission mechanism.

[0010] Preferably, the cleaning mechanism further comprises a tensioning control mechanism, and the tensioning control mechanism is used to control the tensioning degree of the cloth on the rotating drum, so that when suction is generated inside the rotating drum, the cloth on the rotating drum forms dynamic tension.

[0011] Preferably, the tensioning control mechanism includes a pair of rotary disks, a plurality of second guide shafts and a linkage mechanism; the rotating drum is fixedly mounted on the frame; the pair of rotary disks are respectively connected to both sides of the frame for rotating around their axes, and the rotation direction of the rotary disk is opposite to the conveying direction of the cloth, the first belt transmission mechanism is connected to one of the rotary disks, and a pair of second belt transmission mechanisms are respectively connected to a pair of the rotary disks; a plurality of second guide shafts are rotated around their axes and connected between the pair of rotary disks; a plurality of third guide shafts are arranged between the pair of rotary disks; the cloth is tensioned between the second guide shaft and the third guide shaft; the distance between the axis of the third guide shaft and the axis of the rotating drum is greater than the distance between the protrusion and the axis of the rotating drum, and the distance between the axis of the third guide shaft and the axis of the rotating drum is less than the distance between the recessed portion and the axis of the rotating drum; the linkage mechanism is arranged on the rotary disk; when the rotary disk rotates, the linkage mechanism is used to drive the third guide shaft to move and reset under the interference of the rotating drum.

[0012] Preferably, the linkage mechanism includes a plurality of third guide shafts, a mounting block, a slider and a spring; a plurality of first slide grooves are opened on the turntable, the length direction of the first slide grooves is arranged along the radial direction of the turntable, the two ends of the third guide shaft are slidably connected to the first slide groove, the mounting block is fixed to the turntable, the slider is slidably connected to the turntable along the length direction of the first slide groove, and the end of the third guide shaft is rotatably connected to the slider, and the spring is arranged between the mounting block and the slider; when the third guide shaft loses its restriction, the spring is used to drive the third guide shaft to move radially along the turntable and reset.

[0013] Preferably, the third guide shaft is provided with a plurality of top blocks adapted to the first through holes; and the ends of the top blocks away from the third guide shaft are of a conical structure.

[0014] Preferably, the unwinding mechanism includes a rotating rod rotatably connected to both sides of the frame, and a driving member is installed on the frame; the output end of the driving member is connected to the rotating rod and is used to drive the rotating rod to rotate; an unwinding roller is provided on the rotating rod, and a second sliding groove is opened on the rotating rod, and both ends of the unwinding roller are inserted into the second sliding groove.

[0015] A self-cleaning winding method for automatic sewing of fabric lace, using the self-cleaning winding device for automatic sewing of fabric lace, specifically comprises the following steps: Step 1, automatic winding: start the winding mechanism, and when the cloth is unwound by the unwinding mechanism, it is guided by multiple first guide shafts and sequentially passes through the cleaning mechanism for cleaning, and then the winding is completed; Step 2: Automatic Cleaning: During the fabric winding process, the drive mechanism is first activated to rotate the rotating drum. The raised portions on the rotating drum create tension and friction with the fabric, forming a cavity between the fabric, the two raised portions, and the recessed portion. Simultaneously, the vacuum cleaner is activated to generate negative pressure within the rotating drum. This negative pressure is transmitted to the cavity through the first through-hole, thereby achieving suction and cleaning of the fabric.

[0016] Beneficial effects of the present invention: By setting up a cleaning mechanism, during the entire process of outputting and winding the cloth, on the one hand, the friction between the raised part and the cloth creates a scraping and cleaning effect, and on the other hand, the suction force generated by the vacuum cleaner absorbs fluff and debris. These two cleaning methods work together to achieve a self-cleaning function for the cloth during the winding process. By setting up a tension control mechanism, the third guide shaft is driven to rotate, which in turn cooperates with the rotating drum to achieve dynamic control of the tension of the fabric. This dynamic change not only causes the pores on the fabric to change accordingly, but also can effectively loosen and absorb stubborn fluff and debris on the fabric by periodically controlling the fabric tension. This significantly improves the cleaning effect of the fabric during the winding process, ensuring that the fabric remains clean and tidy after winding, which is conducive to deep cleaning of the fabric. By setting up an unwinding mechanism, the tension of the fabric during overall winding can be dynamically adjusted, and the tension fluctuation caused by changes in the unwinding diameter can be compensated in real time, so that the fabric can always be kept within the appropriate tension range. This can not only effectively prevent quality problems such as loosening or wrinkling of the fabric during the unwinding process, but also ensure that the fabric always maintains the best tension during the cleaning process, thereby improving the cleaning effect of the fabric. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the overall first-view three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the overall second-viewing perspective three-dimensional structure of the present invention; Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention after removing the cloth; Figure 4 This is a schematic diagram of a three-dimensional enlarged structure of the present invention after removing part of the frame; Figure 5 This invention Figure 4 Schematic diagram of the enlarged structure of area A in the middle; Figure 6 It is a schematic diagram of the three-dimensional enlarged structure of the cleaning mechanism of the present invention; Figure 7 This is a schematic diagram of the three-dimensional enlarged structure of the rotating cylinder of the present invention; Figure 8 It is a partially cutaway, three-dimensional, enlarged structural schematic diagram of the rotating drum of the present invention; Figure 9 It is a schematic diagram of the three-dimensional enlarged structure of the tensioning control mechanism of the present invention; Figure 10 This is a schematic diagram of the three-dimensional enlarged structure of the third guide shaft of the present invention; Figure 11 This is a schematic diagram of the enlarged structure of the rotating drum in a side view of the present invention; Figure 12 It is a flow chart of the method of the present invention.

[0019] In the figure: 1. frame; 2. unwinding mechanism; 21. rotating rod; 22. driving member; 23. second slide; 24. unwinding roller; 3. cleaning mechanism; 31. rotating cylinder; 311. recessed portion; 312. raised portion; 313. first through hole; 314. connecting pipe; 315. second through hole; 32. vacuum cleaner; 33. driving mechanism; 331. motor; 332. first belt transmission mechanism; 333. rotating shaft; 334. second belt transmission mechanism; 335. cylinder; 336. friction block; 34. tensioning control mechanism; 341. turntable; 342. second guide shaft; 343. first slide; 344. third guide shaft; 345. mounting block; 346. slider; 347. spring; 348. top block; 4. first guide shaft; 5. cloth. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0021] Example 1: Please refer to Figures 1-11 , a self-cleaning winding device for automatic sewing of fabric lace, such as Figure 1-Figure 3 and Figure 6-Figure 8As shown, it includes a reeling mechanism 2, a reeling mechanism and a plurality of first guide shafts 4 arranged on a frame 1; it can be understood that the reeling mechanism is a prior art, which is not shown in the figure and will not be described in detail; a cleaning mechanism 3 is provided on the frame 1; the cleaning mechanism 3 includes: a rotating drum 31, a dust collector 32 and a driving mechanism 33; wherein, the rotating drum 31 is connected to the frame 1 around its axis, and the cloth 5 is tensioned on the rotating drum 31 through a plurality of first guide shafts 4; the rotating drum 31 includes a recessed portion 311 and a raised portion 312 arranged at intervals, and a first through hole 313 is provided on the recessed portion 311; the dust collector 32 is installed on the frame 1, and the input end of the dust collector 32 is coaxially connected to the output end of the rotating drum 31 for rotation; the driving mechanism 33 is installed on the frame 1, and is used to drive the rotating drum 31 to rotate in a direction opposite to the conveying direction of the cloth 5.

[0022] It should be noted that during the winding operation of the fabric 5, the fabric 5 remains tensioned and closely adheres to the surface of the rotating drum 31. At this point, the drive mechanism 33 is activated, driving the rotating drum 31 to begin rotating. It is worth noting that the rotation direction of the rotating drum 31 is opposite to the direction of transmission of the fabric 5. This counter-rotation design effectively maintains the tension of the fabric 5, ensuring stability and reliability during the winding process.

[0023] The raised portions 312 on the rotating drum 31 are in close contact with the fabric 5, scraping and cleaning the surface of the fabric 5 through friction. This friction not only removes dust and impurities adhering to the surface of the fabric 5, but also effectively reduces static electricity accumulation on the surface of the fabric 5, thereby reducing the possibility of dust re-adsorption. Furthermore, a relatively closed cavity is formed between the tensioned fabric 5, the two raised portions 312, and the one recessed portion 311.

[0024] When the vacuum cleaner 32 is activated, negative pressure is generated inside the rotating drum 31. This negative pressure is transmitted to the aforementioned cavity through a specific channel, creating a strong suction force. This suction force effectively absorbs lint and debris from the surface of the fabric 5, removing them from the fabric 5. These absorbed lint and debris enter the rotating drum 31 through the first through-hole 313 and are ultimately discharged from the system through the outlet channel of the vacuum cleaner 32.

[0025] During the entire process of feeding and rewinding the cloth 5, on the one hand, the friction between the raised portion 312 and the cloth 5 creates a scraping and cleaning effect, and on the other hand, the suction force generated by the vacuum cleaner 32 sucks up fluff and debris. These two cleaning methods work together to achieve a self-cleaning function for the cloth 5 during the rewinding process.

[0026] See also Figure 7-Figure 8A connecting tube 314 is coaxially fixed in the rotating cylinder 31, and a second through hole 315 is opened on the connecting tube 314; the outside air enters the rotating cylinder 31 through the first through hole 313, and is guided into the connecting tube 314 through the second through hole 315; the input end of the vacuum cleaner 32 is coaxially connected to the connecting tube 314.

[0027] It should be noted that when suction is generated inside the rotating drum 31, fluff and debris on the surface of the fabric 5 are first sucked into the rotating drum 31. These fluff and debris are not directly discharged through the connecting tube 314, but are first accumulated in a specific area inside the rotating drum 31. This design prevents a large amount of fluff and debris from flowing into the connecting tube 314 in a short period of time, thereby effectively preventing the problem of clogging inside the connecting tube 314.

[0028] Fluff and debris accumulated within the rotating drum 31 undergo a period of buffering and dispersion before being gradually discharged through the multiple second through-holes 315. The distribution and number of these second through-holes 315 are carefully designed to ensure that the fluff and debris are discharged in an orderly and uniform manner. This phased discharge method not only improves cleaning efficiency but also ensures the stability and reliability of the entire cleaning process.

[0029] In this way, fluff and debris inside the rotating drum 31 can be efficiently cleaned and discharged, while the connecting pipe 314 remains unobstructed. This not only ensures the smooth progress of the winding process, but also further improves the cleaning efficiency and reliability of the entire system, providing a strong guarantee for the high-quality winding of the cloth 5.

[0030] See also Figure 4-Figure 6 It can be understood that the present application does not limit the specific structure and installation method of the driving mechanism 33. The following only provides a feasible technical solution; the driving mechanism 33 includes a motor 331, a first belt transmission mechanism 332, a rotating shaft 333 and a pair of second belt transmission mechanisms 334; the motor 331 is installed on the frame 1, and the output end of the motor 331 is connected to the rotating cylinder 31 through the first belt transmission mechanism 332. The rotating shaft 333 is connected to the frame 1 around its axis, and the two ends of the rotating shaft 333 are respectively connected to the two ends of the rotating cylinder 31 through a pair of second belt transmission mechanisms 334.

[0031] It should be noted that when the rotating drum 31 is activated, the first belt transmission mechanism 332 takes effect first, transmitting power to the rotating drum 31 through its internal pulley and belt combination, causing it to rotate. However, to ensure the stability of the rotating drum 31 during rotation and avoid problems such as shaking or vibration caused by uneven power transmission, a second belt transmission mechanism 334 is specially designed to cooperate with the rotating shaft 333.

[0032] Specifically, the second belt drive mechanism 334, similarly comprised of a pair of pulleys and a belt tensioned on them, works in conjunction with the rotating shaft 333 to precisely transmit the driving force of the rotating drum 31 to both ends of the drum 31. This ingenious dual-belt drive design achieves synchronous drive at both ends of the drum 31, ensuring a high degree of stability during rotation. This effectively reduces shaking and vibration that can occur due to uneven power transmission, significantly improving the stability and reliability of the entire system.

[0033] See also Figure 5-Figure 6 , rack 1 (such as Figure 1 a friction block 336 is fixedly provided at the output end of the cylinder 335 and is used to brake the transmission of the second belt transmission mechanism 334.

[0034] It should be noted that in order to accurately control the rotation speed of the rotating drum 31 and prevent the rotation inertia of the rotating drum 31 from causing adverse effects on the cloth 5 when the rotating drum 31 stops rotating.

[0035] During operation, the friction block 336 is driven rapidly by the cylinder 335, causing it to tightly contact the sidewall of the pulley on the second belt drive mechanism 334. This friction instantly generates a powerful braking force, rapidly suppressing the rotation of the pulley. Because the second belt drive mechanism 334 is tightly connected to both ends of the rotating drum 31, the cessation of the pulley's rotation is immediately transmitted to the rotating drum 31, causing it to stop instantly. This instantaneous stopping mechanism effectively prevents potential damage to the fabric 5 caused by continued rotation of the rotating drum 31 due to inertia, ensuring the smoothness and integrity of the fabric 5 during the winding process, and significantly improving the quality and reliability of the fabric 5 winding process.

[0036] See also Figures 9-11 The cleaning mechanism 3 further includes a tensioning control mechanism 34, which is used to control the tension of the cloth 5 on the rotating drum 31, so that when suction is generated inside the rotating drum 31, the cloth 5 on the rotating drum 31 is dynamically tensioned; the tensioning control mechanism 34 includes a pair of rotating disks 341, a plurality of second guide shafts 342 and a linkage mechanism; the rotating drum 31 is fixedly mounted on the frame 1 (such as Figure 1A pair of turntables 341 are connected to opposite sides of the frame 1 for rotation about their axes, and the rotation direction of the turntables 341 is opposite to the conveying direction of the fabric 5. A first belt transmission mechanism 332 is connected to one of the turntables 341, and a pair of second belt transmission mechanisms 334 are connected to the pair of turntables 341 respectively. A plurality of second guide shafts 342 are connected to the pair of turntables 341 for rotation about their axes. A plurality of third guide shafts 344 are disposed between the pair of turntables 341. The fabric 5 is tensioned between the second guide shafts 342 and the third guide shafts 344. The distance between the axis of the third guide shaft 344 and the axis of the rotating drum 31 is greater than the distance between the protrusion 312 and the axis of the rotating drum 31, and the distance between the axis of the third guide shaft 344 and the axis of the rotating drum 31 is less than the distance between the recess 311 and the axis of the rotating drum 31. A linkage mechanism is provided on the turntable 341. When the turntable 341 rotates, the linkage mechanism is used to drive the third guide shafts 344 to move and reset under the interference of the rotating drum 31.

[0037] It should be noted that when the rotating drum 31 is activated, the second guide shaft 342 rotates accordingly, driving the pair of rotating disks 341 to rotate synchronously. The rotation of the rotating disks 341 further drives the third guide shaft 344 to begin rotating. At this point, the rotating drum 31 is fixed to the frame 1. As the third guide shaft 344 rotates, the protrusion 312 on the rotating drum 31 interferes with the third guide shaft 344. This interference causes the third guide shaft 344 to move away from the axis of the rotating drum 31 during rotation. Because the contact position between the third guide shaft 344 and the fabric 5 changes, this movement increases the tension on the fabric 5, keeping it tighter during the winding process.

[0038] As the third guide shaft 344 continues to rotate, the situation changes when it reaches the recessed portion 311 on the rotating drum 31. The linkage mechanism causes the third guide shaft 344 to move closer to the axis of the rotating drum 31. This movement reduces the tension on the fabric 5, causing it to become relatively loose during the winding process.

[0039] This design allows the tension of the cloth 5 to dynamically change during the rotation of the third guide shaft 344. This dynamic change not only causes the pores in the cloth 5 to change accordingly, but also, by periodically controlling the tension of the cloth 5, effectively loosens and removes stubborn lint and debris. Specifically, when the tension of the cloth 5 increases, lint and debris are squeezed out; when the tension decreases, lint and debris are loosened and more easily removed. This periodic change in tension significantly improves the cleaning efficiency of the cloth 5 during the winding process, ensuring that the cloth 5 remains clean and tidy after winding, and facilitating deep cleaning of the cloth 5.

[0040] Example 2: This example differs from Example 1 in that: Figure 9-10 The linkage mechanism includes a plurality of third guide shafts 344, a mounting block 345, a slider 346 and a spring 347; a plurality of first sliding grooves 343 are opened on the turntable 341, and the length direction of the first sliding grooves 343 is arranged along the radial direction of the turntable 341, and the two ends of the third guide shaft 344 are slidably connected to the first sliding grooves 343, the mounting block 345 is fixed to the turntable 341, and the slider 346 is slidably connected to the turntable 341 along the length direction of the first sliding grooves 343, and the end of the third guide shaft 344 is rotatably connected to the slider 346, and the spring 347 is arranged between the mounting block 345 and the slider 346; when the third guide shaft 344 loses its restriction, the spring 347 is used to drive the third guide shaft 344 to move radially along the turntable 341 and reset.

[0041] It should be noted that as the third guide shaft 344 rotates about the axis of the rotating drum 31, its interaction with the recessed portion 311 and raised portion 312 on the rotating drum 31 cleverly achieves periodic control of the tension of the fabric 5. As the third guide shaft 344 moves from the recessed portion 311 toward the raised portion 312, the raised portion 312 on the rotating drum 31 exerts an outward thrust on the third guide shaft 344. This thrust causes the third guide shaft 344 to move away from the axis of the rotating drum 31, thereby increasing the tension of the fabric 5. Simultaneously, the spring 347 connected to the third guide shaft 344 begins to expand due to the external force, storing elastic potential energy.

[0042] The situation reverses when the third guide shaft 344 moves from the raised portion 312 to the recessed portion 311. At this point, the previously stretched spring 347 begins to release its stored elastic potential energy, generating an inward pulling force. This pulling force pulls the third guide shaft 344 toward the axis of the rotating drum 31, thereby reducing the tension on the fabric 5 and causing it to become relatively loose.

[0043] The third guide shaft 344 periodically adjusts the tension of the fabric 5 stretched thereon throughout its rotation about the axis of the rotating drum 31. This periodic tightening and loosening process not only effectively regulates the tension of the fabric 5, ensuring that it maintains the proper tension during processing, but also helps loosen lint and debris from the fabric 5 to a certain extent, facilitating subsequent cleaning and disposal.

[0044] See also Figure 9-10 The third guide shaft 344 is provided with a plurality of top blocks 348 adapted to the first through holes 313; the end of the top block 348 away from the third guide shaft 344 is a tapered structure.

[0045] It should be noted that the number of third guide shafts 344 is less than the number of recesses 311. During the movement of the third guide shafts 344, when they reach the recesses 311, the top blocks 348 on the third guide shafts 344 precisely block the first through holes 313 in the recesses 311. This action not only blocks the first through holes 313 but also generates an additional thrust, pushing the fluff accumulated in the protrusions 312 toward the interior of the rotating drum 31. This design effectively prevents clogging of the first through holes 313, ensuring cleaning efficiency and stability.

[0046] At the same time, when the top block 348 blocks the first through-holes 313, the number of first through-holes 313 on the rotating drum 31 capable of transmitting suction is correspondingly reduced. As the number of first through-holes 313 decreases, the suction force exerted on the cloth 5 also changes. When the third guide shaft 344 moves to the position of the protrusion 312, the top block 348 no longer blocks the first through-holes 313, and suction is restored. Therefore, during the periodic movement of the third guide shaft 344, the suction force exerted on the cloth 5 undergoes a periodic change.

[0047] This periodic change in suction simulates a pulsed cleaning method. During this process, fluff and debris on the fabric 5 undergo a process of being loosened and then removed. When the suction weakens, the fluff and debris are loosened; when the suction returns, the fluff and debris are quickly removed. This pulsed cleaning method effectively loosens and removes deep-seated fluff and debris on the fabric 5, significantly improving cleaning effectiveness and ensuring that the fabric 5 remains clean and tidy throughout the winding process.

[0048] See also Figure 1-Figure 4 The unwinding mechanism 2 includes a rotating rod 21 rotatably connected to both sides of the frame 1, and a driving member 22 is installed on the frame 1; the output end of the driving member 22 is connected to the rotating rod 21 and is used to drive the rotating rod 21 to rotate; an unwinding roller 24 is provided on the rotating rod 21, and a second slide groove 23 is opened on the rotating rod 21, and both ends of the unwinding roller 24 are inserted into the second slide groove 23.

[0049] It should be noted that, as the unwinding diameter of the cloth 5 gradually decreases during unwinding, the tension of the cloth 5 will also change accordingly. To ensure that the tension of the cloth 5 can be precisely controlled during the cleaning process and to avoid problems such as loosening and wrinkling caused by tension changes, a dynamic position-adjustable unwinding mechanism 2 is specially designed.

[0050] The core of this unwinding mechanism 2 lies in its precise control of the position of the unwinding roller 24 via the driver 22. During the unwinding process, the driver 22 precisely adjusts the distance between the unwinding roller 24 and the first guide shaft 4 based on the real-time tension requirements of the fabric 5. This distance adjustment directly affects the tension of the fabric 5. By dynamically adjusting the position of the unwinding roller 24, tension fluctuations caused by changes in the unwinding diameter can be compensated in real time, thereby maintaining the fabric 5 within the appropriate tension range.

[0051] See also Figures 1-12 A self-cleaning winding method for automatic sewing of fabric lace is provided, which adopts the self-cleaning winding device for automatic sewing of fabric lace, and specifically comprises the following steps: Step 1, automatic rewinding: The rewinding mechanism is started. During the unwinding process of the cloth 5 through the unwinding mechanism 2, the cloth 5 is guided by the multiple first guide shafts 4 and sequentially passes through the cleaning mechanism 3 for cleaning, and then the rewinding is completed; Step 2: Automatic Cleaning: During the rewinding process of the fabric 5, the drive mechanism 33 is first activated, driving the rotating drum 31 to rotate. The raised portions 312 on the rotating drum 31 generate tension and friction with the fabric 5, forming a cavity between the fabric 5, the two raised portions 312, and the recessed portion 311. Simultaneously, the vacuum cleaner 32 is activated, generating negative pressure within the rotating drum 31. This negative pressure is transmitted to the cavity through the first through-hole 313, thereby cleaning the fabric 5.

[0052] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction and a specific direction structure and operation, and therefore, cannot be understood as limiting the present invention. In addition, "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0053] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0054] The above is a detailed description of an embodiment of the present invention. However, the content described is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A self-cleaning winding device for automatic sewing of fabric lace, comprising an unwinding mechanism (2), a winding mechanism and a plurality of first guide shafts (4) arranged on a frame (1); characterized in that: A cleaning mechanism (3) is provided on the frame (1); the cleaning mechanism (3) comprises: A rotating drum (31), the rotating drum (31) is connected to the frame (1) by rotating around its axis, and the cloth (5) is tensioned on the rotating drum (31) through a plurality of first guide shafts (4); the rotating drum (31) includes a recessed portion (311) and a raised portion (312) arranged at intervals, and a first through hole (313) is formed on the recessed portion (311); A dust collector (32), the dust collector (32) being mounted on the frame (1), the input end of the dust collector (32) being coaxially rotatably connected to the output end of the rotating cylinder (31); and a driving mechanism (33), wherein the driving mechanism (33) is mounted on the frame (1) and is used to drive the rotating drum (31) to rotate in a direction opposite to the conveying direction of the cloth (5).

2. The self-cleaning winding device for automatic sewing of fabric lace according to claim 1, characterized in that: A connecting pipe (314) is coaxially fixed in the rotating cylinder (31), and a second through hole (315) is provided on the connecting pipe (314); external air enters the rotating cylinder (31) through the first through hole (313) and is discharged into the connecting pipe (314) through the second through hole (315); and the input end of the vacuum cleaner (32) is coaxially connected to the connecting pipe (314).

3. The self-cleaning winding device for automatic sewing of fabric lace according to claim 1, characterized in that: The driving mechanism (33) comprises a motor (331), a first belt transmission mechanism (332), a rotating shaft (333), and a pair of second belt transmission mechanisms (334); the motor (331) is mounted on the frame (1); the output end of the motor (331) is connected to the rotating drum (31) via the first belt transmission mechanism (332); the rotating shaft (333) is connected to the frame (1) by rotating around its axis; and the two ends of the rotating shaft (333) are connected to the two ends of the rotating drum (31) via the pair of second belt transmission mechanisms (334).

4. The self-cleaning winding device for automatic sewing of fabric lace according to claim 3, characterized in that: A cylinder (335) is mounted on the frame (1); a friction block (336) is fixedly provided at the output end of the cylinder (335) and is used to brake the transmission of the second belt transmission mechanism (334).

5. The self-cleaning winding device for automatic sewing of fabric lace according to claim 3, characterized in that: The cleaning mechanism (3) further comprises a tensioning control mechanism (34), wherein the tensioning control mechanism (34) is used to control the tensioning degree of the cloth (5) on the rotating drum (31), so that when suction is generated inside the rotating drum (31), the cloth (5) on the rotating drum (31) forms dynamic tension.

6. The self-cleaning winding device for automatic sewing of fabric lace according to claim 5, characterized in that: The tensioning control mechanism (34) includes a pair of rotating disks (341), a plurality of second guide shafts (342) and a linkage mechanism; the rotating cylinder (31) is fixed to the frame (1); the pair of rotating disks (341) are respectively connected to the two sides of the frame (1) by rotating around their axes, and the rotation direction of the rotating disks (341) is opposite to the conveying direction of the cloth (5); the first belt transmission mechanism (332) is connected to one of the rotating disks (341), and the pair of second belt transmission mechanisms (334) are respectively connected to the pair of rotating disks (341); the plurality of second guide shafts (342) are respectively connected to the pair of rotating disks (341) by rotating around their axes; the plurality of third guide shafts (334) are respectively connected to the pair of rotating disks (341). 44) is arranged between a pair of rotating disks (341); the cloth (5) is tensioned between the second guide shaft (342) and the third guide shaft (344); the distance between the axis of the third guide shaft (344) and the axis of the rotating cylinder (31) is greater than the distance between the protrusion (312) and the axis of the rotating cylinder (31), and the distance between the axis of the third guide shaft (344) and the axis of the rotating cylinder (31) is less than the distance between the recess (311) and the axis of the rotating cylinder (31); the linkage mechanism is arranged on the rotating disk (341); when the rotating disk (341) rotates, the linkage mechanism is used to drive the third guide shaft (344) to move and reset under the interference of the rotating cylinder (31).

7. The self-cleaning winding device for automatic sewing of fabric lace according to claim 6, characterized in that: The linkage mechanism includes a plurality of third guide shafts (344), a mounting block (345), a slider (346) and a spring (347); a plurality of first slide grooves (343) are provided on the turntable (341); the length direction of the first slide grooves (343) is arranged along the radial direction of the turntable (341); both ends of the third guide shaft (344) are slidably connected to the first slide grooves (343); the mounting block (345) is fixed to the turntable (341); the slider (346) is slidably connected to the turntable (341) along the length direction of the first slide grooves (343); and the end of the third guide shaft (344) is rotatably connected to the slider (346); the spring (347) is arranged between the mounting block (345) and the slider (346); when the third guide shaft (344) loses its restriction, the spring (347) is used to drive the third guide shaft (344) to move radially along the turntable (341) and reset.

8. The self-cleaning winding device for automatic sewing of fabric lace according to claim 6, characterized in that: The third guide shaft (344) is provided with a plurality of top blocks (348) adapted to the first through holes (313); the end of the top block (348) away from the third guide shaft (344) is a tapered structure.

9. The self-cleaning winding device for automatic sewing of fabric lace according to claim 1, characterized in that: The unwinding mechanism (2) includes a rotating rod (21) rotatably connected to both sides of the frame (1), and a driving member (22) is installed on the frame (1); the output end of the driving member (22) is connected to the rotating rod (21) and is used to drive the rotating rod (21) to rotate; an unwinding roller (24) is provided on the rotating rod (21), and a second sliding groove (23) is opened on the rotating rod (21), and both ends of the unwinding roller (24) are inserted into the second sliding groove (23).

10. A self-cleaning winding method for automatic sewing of fabric lace, characterized in that: The self-cleaning winding device for automatic sewing of fabric lace according to any one of claims 1 to 9 specifically comprises the following steps: Step 1, automatic rewinding: the rewinding mechanism is started, and the cloth (5) is guided by the plurality of first guide shafts (4) during the process of being unwound by the unwinding mechanism (2), and then passes through the cleaning mechanism (3) for cleaning, and then the rewinding is completed; Step 2, automatic cleaning: During the process of winding the cloth (5), the driving mechanism (33) is first started to drive the rotating drum (31) to rotate; the raised portion (312) on the rotating drum (31) and the cloth (5) generate tension friction, so that a cavity is formed between the cloth (5), the two raised portions (312) and the recessed portion (311); at the same time, the vacuum cleaner (32) is started to generate negative pressure suction in the rotating drum (31), and the negative pressure suction is transmitted to the cavity through the first through hole (313), thereby achieving adsorption and cleaning of the cloth (5).

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