CN110284221A - A kind of even transition cotton net transmission device - Google Patents
A kind of even transition cotton net transmission device Download PDFInfo
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- CN110284221A CN110284221A CN201910592561.8A CN201910592561A CN110284221A CN 110284221 A CN110284221 A CN 110284221A CN 201910592561 A CN201910592561 A CN 201910592561A CN 110284221 A CN110284221 A CN 110284221A
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- cotton net
- cotton
- copper mesh
- transition
- motor
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 93
- 230000005540 biological transmission Effects 0.000 title claims abstract description 47
- 230000007704 transition Effects 0.000 title claims abstract description 43
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229910052802 copper Inorganic materials 0.000 claims abstract description 62
- 239000010949 copper Substances 0.000 claims abstract description 62
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 19
- 238000009960 carding Methods 0.000 abstract description 12
- 238000009987 spinning Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 238000001523 electrospinning Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 239000004753 textile Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/36—Driving or speed control arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
本发明涉及一种均匀过渡棉网传动装置，包括支撑固定铁架台，所述的支撑固定铁架台的前端斜向布置有棉网上料传送带，所述的棉网上料传送带的上侧水平对接棉网过渡传送带，所述的棉网过渡传送带的一端上侧通过若干个铜网传动轴循环滚动设置有下侧水平的铜网，所述的铜网的下方设置有向上喷出的亚微米纤维的静电纺丝装置，所述的棉网上料传送带、棉网过渡传送带和铜网传动轴分别由支撑固定铁架台一侧的第一电机、第二电机和第三电机驱动转动。本发明梳棉网在传动过程中可以保持均匀平稳的运行到铜网的正下方，使静电纺丝装置喷出的亚微米纤维作用到均匀的棉网上，同时通过传导联动装置增加棉网导出长度和均匀性，使后续成条性能达到最佳。
The invention relates to a uniform transitional cotton net transmission device, comprising a supporting and fixed iron frame platform, a cotton net material conveyor belt is arranged obliquely at the front end of the support and fixed iron frame platform, and the upper side of the cotton net material conveyor belt is horizontally connected to the cotton net Transition conveyor belt, the upper side of one end of the cotton mesh transition conveyor belt is circularly rolled through several copper mesh transmission shafts, and a lower horizontal copper mesh is installed, and the bottom of the copper mesh is provided with an electrostatic discharge device for submicron fibers ejected upwards. The spinning device, the cotton net material conveyer belt, the cotton net transition conveyer belt and the copper net transmission shaft are respectively driven and rotated by the first motor, the second motor and the third motor supporting one side of the fixed iron stand. The carding net of the present invention can keep running evenly and smoothly directly under the copper net during the transmission process, so that the submicron fibers ejected from the electrostatic spinning device can act on the uniform cotton net, and at the same time increase the export length of the cotton net through the conductive linkage device And uniformity, so that the subsequent stripping performance can reach the best.
Description
技术领域technical field
本发明涉及纺织机械技术领域，特别是涉及一种均匀过渡棉网传动装置。The invention relates to the technical field of textile machinery, in particular to a uniform transition cotton web transmission device.
背景技术Background technique
随着生活水平的日益提高，人们对功能性纺织性纺织品的需求日益增多，其中利用静电纺丝将功能性亚微米纤维喷涂于梳棉工序中的棉网上最终牵伸成条可有效制备功能性亚微米与棉纤维混纺生条，进而牵伸加捻成功能性纱线的处理方法已经逐渐开发利用，但由于现有梳棉机上的棉条输送及的吸风负压装置等难以满足制备功能性生条法制备条件，尤其无法在有效的空间内加入静电纺丝装置等一系列单元模块，因此可在现有梳棉机的基础上进行大范围的设备改造，添加静电纺丝装置模块，为功能性亚微米纤维有效的刻蚀在棉网上提供优异的条件。With the improvement of living standards, people's demand for functional textiles is increasing. Among them, the use of electrospinning to spray functional submicron fibers on the cotton web in the carding process and finally drawing them into strips can effectively prepare functional textiles. The processing method of blending raw sliver with sub-micron cotton fiber, and then drawing and twisting into functional yarn has been gradually developed and utilized, but it is difficult to meet the preparation function due to the sliver conveying and suction negative pressure device on the existing carding machine. In particular, it is impossible to add a series of unit modules such as electrospinning devices in the effective space. Therefore, a large-scale equipment transformation can be carried out on the basis of existing carding machines, and electrospinning device modules can be added. Provides excellent conditions for efficient etching of functional submicron fibers on cotton webs.
在公开的中国专利文献中可见旨在开发功能纤维棉条的导出装置的技术信息，如CN106835419A(功能性纤维棉网导出装置)，该专利方案可有效地将静电纺丝装置与梳棉机有效结合，导出喷涂有亚微米纤维的纤维棉条。此外还有如CN107177908A(一种应用于梳棉机的吸风网帘装置及其工作方法)等等。上面列举的所有专利及专利申请方案所示的图示效果来看工作结构较小，无法大量生产功能性亚微米刻蚀的棉条。棉网在一系列传送过程中的受力不匀或负压吸附不合理，使得功能性生条在梳棉过程中还存在一系列的问题。并且空间开放，不利于静电纺丝过程的运行。In the disclosed Chinese patent literature, it can be seen that the technical information aimed at developing the exporting device of the functional fiber sliver, such as CN106835419A (functional fiber cotton web exporting device), this patent scheme can effectively combine the electrostatic spinning device and the carding machine. In combination, a fiber sliver sprayed with submicron fibers is derived. In addition there are such as CN107177908A (a kind of suction net curtain device and working method thereof applied to carding machine) and the like. All the above-listed patents and patent application schemes shown in the graphic effects show that the working structure is small, and it is impossible to mass-produce functional submicron etched slivers. The uneven stress or unreasonable negative pressure adsorption of the cotton web in a series of conveying processes makes functional carding sliver still have a series of problems in the carding process. And the space is open, which is not conducive to the operation of the electrospinning process.
针对上述已有技术，有必要加以改进，为此本申请人进行了一系列的探索与设计。For the above-mentioned prior art, it is necessary to improve it, for which the applicant has carried out a series of exploration and design.
发明内容Contents of the invention
本发明所要解决的技术问题是提供一种均匀过渡棉网传动装置，主要解决的技术问题是如何使梳棉网在传动过程中可以保持均匀平稳的运行到铜网的正下方，使静电纺丝装置喷出的亚微米纤维作用到均匀的棉网上，同时通过传导联动装置增加棉网导出长度和均匀性，使后续成条性能达到最佳。The technical problem to be solved by the present invention is to provide a uniform transitional cotton mesh transmission device. The main technical problem to be solved is how to make the carding mesh run evenly and smoothly under the copper mesh during the transmission process, so that the electrostatic spinning The sub-micron fibers ejected from the device act on the uniform cotton web, and at the same time, the length and uniformity of the cotton web are increased through the conduction linkage device, so that the subsequent sliver performance can be optimized.
本发明涉及一种均匀过渡棉网传动装置，包括支撑固定铁架台，所述的支撑固定铁架台的前端斜向布置有棉网上料传送带，所述的棉网上料传送带的上侧水平对接棉网过渡传送带，所述的棉网过渡传送带的一端上侧通过若干个铜网传动轴循环滚动设置有下侧水平的铜网，所述的铜网的下方设置有向上喷出的亚微米纤维的静电纺丝装置，所述的棉网上料传送带、棉网过渡传送带和铜网传动轴分别由支撑固定铁架台一侧的第一电机、第二电机和第三电机驱动转动。The invention relates to a uniform transitional cotton net transmission device, comprising a supporting and fixed iron stand, a cotton net material conveyer belt is arranged obliquely at the front end of the support and fixed iron stand, and the upper side of the cotton net material conveyer belt is horizontally connected to the cotton net Transition conveyor belt, the upper side of one end of the cotton mesh transition conveyor belt is provided with a horizontal copper mesh on the lower side through several copper mesh transmission shafts, and the static electricity of submicron fibers ejected upward is arranged below the copper mesh. In the spinning device, the cotton mesh material conveyor belt, cotton mesh transition conveyor belt and copper mesh transmission shaft are respectively driven and rotated by the first motor, the second motor and the third motor supporting one side of the fixed iron stand.
所述的第一电机、第二电机和第三电机均通过固定底座安装固定在支撑固定铁架台的一侧，安装维修方便。The first motor, the second motor and the third motor are all installed and fixed on one side of the supporting fixed iron frame platform through the fixed base, which is convenient for installation and maintenance.
所述的第一电机、第二电机和第三电机通过传动链分别驱动棉网上料传送带上侧的第一驱动传动轴、棉网过渡传送带一端的第二驱动传动轴和铜网远端的铜网传动驱动轴进行转动，传动简单方便。The first motor, the second motor and the third motor respectively drive the first drive transmission shaft on the upper side of the cotton mesh material conveyor belt, the second drive transmission shaft at one end of the cotton mesh transition conveyor belt and the copper wire at the far end of the copper mesh through the transmission chain. The net transmission drives the shaft to rotate, and the transmission is simple and convenient.
所述的棉网过渡传送带水平布置在铜网与棉网上料传送带之间的过渡区域，为棉网从棉网上料传送带平稳有效的传递到铜网的下方做出了很好的过渡作用，可有效防止在这个区间棉网的下落。The cotton mesh transition conveyor belt is horizontally arranged in the transition area between the copper mesh and the cotton mesh material conveyor belt, which provides a good transition effect for the cotton mesh to be smoothly and effectively transferred from the cotton mesh material conveyor belt to the bottom of the copper mesh, and can Effectively prevent the cotton net from falling in this section.
进一步的，所述的铜网由细长铜丝编织而成，既保证了铜网的柔韧性同时又可作为静电纺丝装置的接收极板。Further, the copper mesh is braided by slender copper wires, which not only ensures the flexibility of the copper mesh, but also serves as a receiving plate of the electrospinning device.
进一步的，所述的铜网传动轴有四个并呈梯形排列布置在铜网的内侧，所述的铜网的两侧外侧设置有导向传动轴，可有效地调节铜网的张力，避免铜网在运行过程中出现松弛现象的发生。Further, there are four copper grid drive shafts arranged in a trapezoidal shape on the inner side of the copper grid, and guide drive shafts are provided on both sides of the copper grid, which can effectively adjust the tension of the copper grid and avoid copper The phenomenon of slack in the network occurs during operation.
进一步的，所述棉网过渡传送带、棉网上料传送带和铜网的运行速率相同，可有效防止棉网在传动期间由于速度不一致带来的撕扯断裂情况的发生。Further, the running speed of the cotton web transition conveyor belt, the cotton web material conveyor belt and the copper mesh is the same, which can effectively prevent the occurrence of tearing and fracture of the cotton web due to inconsistent speed during transmission.
所述的静电纺丝装置由聚四氟乙烯绝缘材料制成，可有效避免在静电纺丝过程中出现的电场干扰同时增加了安全防护保障。The electrospinning device is made of polytetrafluoroethylene insulating material, which can effectively avoid electric field interference during the electrospinning process and increase safety protection.
具体使用过程如下：机器运转后，通过第一电机驱动棉网上料传送带工作将棉网斜向上运输，通过第二电机驱动棉网过渡传送带进行工作，作为过渡区的棉网过渡传送带带继续向前传送棉网至铜网25的正下方，铜网25由第三电机带动从而运转起整个铜网的转动，铜网的正下方是静电纺丝装置，静电纺丝装置喷出的亚微米纤维喷涂到棉网上与棉网结合，继续向下一道工序进行传动。The specific use process is as follows: After the machine is running, the first motor drives the cotton net material conveyor belt to transport the cotton net obliquely upwards, and the second motor drives the cotton net transition conveyor belt to work, and the cotton net transition conveyor belt as the transition zone continues to move forward Convey the cotton mesh directly below the copper mesh 25, and the copper mesh 25 is driven by the third motor to rotate the entire copper mesh. Directly below the copper mesh is the electrostatic spinning device, and the submicron fiber sprayed by the electrostatic spinning device is sprayed To the cotton net and combine with the cotton net, and continue to drive to the next process.
有益效果：本发明涉及一种均匀过渡棉网传动装置，结构合理，防止梳棉网在传动过程中发生连续性差导致的棉网断掉及下滑等情况，保证梳棉网的均匀性及运输平稳，正常牵伸成条，从而开发某种功能性的混纺纱线或织物，装置结构简单，组装迅捷，操作方便，功能集合多样，具有广阔的应用前景，采用本发明生产的纱线，织物等功能化纺织用品性能优异，可广泛适用于医用，纺织，环境等领域。Beneficial effects: the invention relates to a uniform transition cotton web transmission device, which has a reasonable structure, prevents the cotton web from being broken and slips due to poor continuity during the transmission process of the carding web, and ensures the uniformity and smooth transportation of the carding web , normally drafted into strips, so as to develop certain functional blended yarns or fabrics, the device has simple structure, quick assembly, convenient operation, diverse function sets, and broad application prospects. The yarns and fabrics produced by the present invention Functionalized textile products have excellent performance and can be widely used in medical, textile, environmental and other fields.
附图说明Description of drawings
图1是本发明的装置立体示意图；Fig. 1 is a three-dimensional schematic view of the device of the present invention;
图2是本发明的主视结构示意图。Fig. 2 is a front view structural schematic diagram of the present invention.
图示：1、支撑固定铁架台；2、固定底座；3、第一电机；4、传动链；5、第一驱动传动轴；8、棉网；11、第二电机；13、第二驱动传动轴；15、棉网过渡传送带；17、第三电机；19、铜网传动驱动轴；20、铜网传动轴；23、导向传动轴；25、铜网；26、静电纺丝装置；27、亚微米纤维。Illustration: 1. Supporting and fixing the iron stand; 2. Fixed base; 3. The first motor; 4. Transmission chain; 5. The first drive transmission shaft; 8. Cotton net; 11. The second motor; 13. The second drive Drive shaft; 15. Cotton mesh transition conveyor belt; 17. Third motor; 19. Copper mesh drive shaft; 20. Copper mesh drive shaft; 23. Guide drive shaft; 25. Copper mesh; 26. Electrospinning device; 27 , Submicron fibers.
具体实施方式Detailed ways
下面结合具体实施例，进一步阐述本发明。应理解，这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解，在阅读了本发明讲授的内容之后，本领域技术人员可以对本发明作各种改动或修改，这些等价形式同样落于本申请所附权利要求书所限定的范围。Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
如图1-2所示，本发明的实施方式涉及一种均匀过渡棉网传动装置，包括支撑固定铁架台1，所述的支撑固定铁架台1的前端斜向布置有棉网上料传送带7，所述的棉网上料传送带7的上侧水平对接棉网过渡传送带15，所述的棉网过渡传送带15的一端上侧通过若干个铜网传动轴20循环滚动设置有下侧水平的铜网25，所述的铜网25的下方设置有向上喷出的亚微米纤维27的静电纺丝装置26，所述的棉网上料传送带7、棉网过渡传送带15和铜网传动轴20分别由支撑固定铁架台1一侧的第一电机3、第二电机11和第三电机17驱动转动。As shown in Figures 1-2, the embodiment of the present invention relates to a uniform transition cotton mesh transmission device, including a supporting and fixing iron frame platform 1, and a cotton mesh material conveyor belt 7 is arranged obliquely at the front end of the supporting and fixing iron frame platform 1, The upper side of the cotton mesh material conveyor belt 7 is horizontally connected to the cotton mesh transition conveyor belt 15, and the upper side of one end of the cotton mesh transition conveyor belt 15 is provided with a lower horizontal copper mesh 25 through a plurality of copper mesh transmission shafts 20 for circular rolling. , the bottom of the copper mesh 25 is provided with an electrospinning device 26 of submicron fiber 27 ejected upwards, and the cotton mesh material conveyor belt 7, the cotton mesh transition conveyor belt 15 and the copper mesh drive shaft 20 are respectively supported and fixed The first motor 3, the second motor 11 and the third motor 17 on one side of the iron frame platform 1 are driven to rotate.
所述的第一电机3、第二电机11和第三电机17均通过固定底座2安装固定在支撑固定铁架台1的一侧，安装维修方便。The first motor 3, the second motor 11 and the third motor 17 are all installed and fixed on the side supporting the fixed iron stand 1 through the fixed base 2, which is convenient for installation and maintenance.
所述的第一电机3、第二电机11和第三电机17通过传动链4分别驱动棉网上料传送带7上侧的第一驱动传动轴5、棉网过渡传送带15一端的第二驱动传动轴13和铜网25远端的铜网传动驱动轴19进行转动，传动简单方便。The first motor 3, the second motor 11 and the third motor 17 respectively drive the first drive transmission shaft 5 on the upper side of the cotton web material conveyor belt 7 and the second drive transmission shaft at one end of the cotton web transition conveyor belt 15 through the transmission chain 4 13 and the copper mesh transmission drive shaft 19 at the far end of the copper mesh 25 rotate, and the transmission is simple and convenient.
所述的棉网过渡传送带15水平布置在铜网25与棉网上料传送带7之间的过渡区域，为棉网8从棉网上料传送带7平稳有效的传递到铜网25的下方做出了很好的过渡作用，可有效防止在这个区间棉网的下落。The cotton mesh transition conveyor belt 15 is horizontally arranged in the transition area between the copper mesh 25 and the cotton mesh material conveyor belt 7, which makes a lot of progress for the cotton mesh 8 to be smoothly and effectively transferred from the cotton mesh material conveyor belt 7 to the bottom of the copper mesh 25. A good transition effect can effectively prevent the cotton net from falling in this section.
所述的铜网25由细长铜丝编织而成，既保证了铜网25的柔韧性同时又可作为静电纺丝装置的接收极板。The copper mesh 25 is braided by slender copper wires, which not only ensures the flexibility of the copper mesh 25 but also serves as a receiving plate of the electrospinning device.
所述的铜网传动轴20有四个并呈梯形排列布置在铜网25的内侧，所述的铜网25的两侧外侧设置有导向传动轴23，可有效地调节铜网25的张力，避免铜网25在运行过程中出现松弛现象的发生。There are four copper mesh transmission shafts 20 arranged in a trapezoidal shape on the inside of the copper mesh 25. Guide transmission shafts 23 are provided on both sides of the copper mesh 25, which can effectively adjust the tension of the copper mesh 25. Avoid the occurrence of slack in the copper mesh 25 during operation.
所述棉网过渡传送带15、棉网上料传送带7和铜网25的运行速率相同，可有效防止棉网8在传动期间由于速度不一致带来的撕扯断裂情况的发生。The running speeds of the cotton web transition conveyor belt 15, the cotton web material conveyor belt 7 and the copper mesh 25 are the same, which can effectively prevent the tearing and fracture of the cotton web 8 due to inconsistent speed during transmission.
所述的静电纺丝装置26由聚四氟乙烯绝缘材料制成，可有效避免在静电纺丝过程中出现的电场干扰同时增加了安全防护保障。The electrospinning device 26 is made of polytetrafluoroethylene insulating material, which can effectively avoid electric field interference during the electrospinning process and increase safety protection.
具体使用过程如下：机器运转后，通过第一电机3驱动棉网上料传送带7工作将棉网斜向上运输，通过第二电机11驱动棉网过渡传送带15进行工作，作为过渡区的棉网过渡传送带15带继续向前传送棉网至铜网25的正下方，铜网25由第三电机17带动从而运转起整个铜网的转动，铜网的正下方是静电纺丝装置，静电纺丝装置喷出的亚微米纤维喷涂到棉网上与棉网结合，继续向下一道工序进行传动。The specific use process is as follows: After the machine is running, the first motor 3 drives the cotton net material conveyor belt 7 to work to transport the cotton net obliquely upwards, and the second motor 11 drives the cotton net transition conveyor belt 15 to work as the cotton net transition conveyor belt in the transition area The belt 15 continues to convey the cotton mesh forward to directly below the copper mesh 25, and the copper mesh 25 is driven by the third motor 17 to rotate the entire copper mesh. Right below the copper mesh is an electrostatic spinning device, which sprays The produced sub-micron fibers are sprayed onto the cotton net and combined with the cotton net, and then continue to be transmitted to the next process.
本发明装置属于开发功能性棉条梳理部分的其中一道传动工序，理论上可有效防止在棉网传动过程中由于外力带来的传动不连续性导致的棉网断掉及下滑等，并顺利传动到下一个工序，具有很高的开发使用价值。The device of the present invention belongs to one of the transmission processes in the development of functional cotton sliver carding. Theoretically, it can effectively prevent the cotton web from being broken and slipped due to the transmission discontinuity brought by external force during the transmission of the cotton web, and it can be transmitted smoothly. To the next process, it has high development and use value.
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Effective date of registration: 20211125 Address after: 1882 Yan'an west road, Changning District, Shanghai Patentee after: DONGHUA University Patentee after: NARI Weikang (Shanghai) Technology Co., Ltd Address before: 201620 No. 2999 North Renmin Road, Songjiang new town, Songjiang District, Shanghai. Patentee before: DONGHUA University Patentee before: Nantong Dingyu Textile Machinery Technology Co., Ltd |