WO2019019335A1 - 恒定持续供液装置 - Google Patents

恒定持续供液装置 Download PDF

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Publication number
WO2019019335A1
WO2019019335A1 PCT/CN2017/103108 CN2017103108W WO2019019335A1 WO 2019019335 A1 WO2019019335 A1 WO 2019019335A1 CN 2017103108 W CN2017103108 W CN 2017103108W WO 2019019335 A1 WO2019019335 A1 WO 2019019335A1
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liquid supply
constant continuous
hydraulic cylinder
continuous liquid
cylinder
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English (en)
French (fr)
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徐岚
王亚茹
王明娣
刘卫兵
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Suzhou University
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Suzhou University
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/0007—Electro-spinning
    • D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/06—Feeding liquid to the spinning head

Definitions

  • the invention relates to a constant continuous liquid supply device suitable for use in various electrospinning devices.
  • Electrospinning technology is currently the most commonly used method for producing nanofibers in the world, such as: single needle electrospinning, coaxial electrospinning, free liquid surface spinning, bubble spinning, needle spinning, etc., but the low electrospinning output is The technology is the biggest technical obstacle from the laboratory to industrial production and application. The main reason for the low production is the imperfect liquid supply device. At present, all the spinning methods of the spinning method can not provide the continuous supply of the spinning solution. It is necessary to provide the spinning solution artificially, not only the continuous spinning. Silk also causes artificial factors to cause the quality of spinning.
  • An object of the present invention is to provide a constant continuous liquid supply device in which a hydraulic cylinder is arranged in parallel up and down, and a driving device drives a hydraulic cylinder and reciprocates the operation of the hydraulic cylinder to achieve constant continuous liquid supply.
  • a constant continuous liquid supply device for an electrospinning device, the constant continuous liquid supply device comprising at least two sets of liquid supply components, respectively, and each set of the liquid supply At least two liquid guiding tubes provided by the component-connected liquid supply container and the corresponding liquid supply assembly; each set of the liquid supply assembly includes a hydraulic cylinder and a hydraulic cylinder coupled to the hydraulic cylinder for reciprocating motion a driving device, the hydraulic cylinder has a cylinder and a plunger disposed on the cylinder, and the cylinder is divided into two sub-cavities by the plunger, wherein at least one sub-cavity is filled with a spinning solution
  • the driving device drives the plunger to reciprocate linearly, and the sub-cavity filled with the spinning solution is in communication with the liquid supply container and the liquid guiding tube.
  • the driving device includes a power component and a transmission component that connects the power component and the plunger.
  • the power component is a servo motor.
  • the transmission component is a screw assembly.
  • the lead screw assembly includes a coupling connected to the power component, a lead screw connected to the coupling, and a clamping block disposed on the lead screw, the clamping block and the column The ends of the plug are connected.
  • each of the liquid guiding tubes is mounted with a first one-way valve, and each of the sub-cavities and the liquid supply container are connected by a conduit, and each of the conduits is mounted with a second one-way valve, The guiding of the first one-way valve is opposite to the guiding of the second one-way valve.
  • hydraulic cylinders are connected in parallel up and down through a liquid guiding tube.
  • the present invention also provides a constant continuous liquid supply method comprising the steps of setting a flow rate profile of the hydraulic cylinder and coupling the flow curves of all of the hydraulic cylinders;
  • the driving device drives the hydraulic cylinder to perform reciprocating linear motion, the movement between the hydraulic cylinders is reciprocal and the output flow curve is coupled to realize constant continuous liquid supply;
  • the constant continuous supply The liquid device has a simple structure, is convenient to operate, and is easy to implement;
  • the constant continuous liquid supply device has no high-speed running parts, and the overall friction and vibration are small, and noise pollution is also small.
  • Figure 1 is a schematic view showing the structure of a constant continuous liquid supply device of the present invention.
  • Figure 2 is a graph showing the output flow rate of the hydraulic cylinder of Figure 1.
  • Figure 3 is a coaxial electrospinning apparatus incorporating the present invention.
  • Figure 4 is a single needle electrospinning apparatus incorporating the present invention.
  • Figure 5 is a dial spinning apparatus incorporating the present invention.
  • Figure 6 is a funnel-type air-jet spinning apparatus incorporating the present invention.
  • a constant continuous liquid supply device 100 is used in various electrospinning devices, including at least two sets of liquid supply components (not labeled), respectively connected to each set of liquid supply components.
  • the liquid supply container 5 and the at least two liquid guiding tubes 4 provided corresponding to the number of the liquid supply components.
  • Each set of liquid supply assembly includes a hydraulic cylinder 1 and a driving device (not labeled) connected to the hydraulic cylinder 1 and driving the hydraulic cylinder 1 to reciprocate.
  • the hydraulic cylinder 1 is vertically connected in parallel through the liquid guiding tube 4 and its flow curve is coupled and set.
  • the cylinder 1 has a cylinder 11 and a plunger 12 disposed on the cylinder 11.
  • the cylinder 11 is divided into two sub-cavities 13 by a plunger 12, and at least one of the sub-chambers 13 is filled with a spinning solution.
  • the driving plunger 12 reciprocates linearly, and the sub-cavity 13 filled with the spinning solution communicates with the liquid supply container 5 and the liquid guiding tube 4.
  • Each of the liquid guiding tubes 4 is mounted with a first one-way valve 61, and each of the sub-cavities and the liquid supply container 5 is connected by a conduit 4, and each of the conduits 4 is mounted with a second one-way valve 6, the first one-way The guiding of the valve 61 is opposite to the guiding of the second one-way valve 6.
  • the drive unit includes a power unit 3 and a transmission unit 2 that connects the power unit 3 and the plunger 12.
  • the power unit 3 is a servo motor.
  • the transmission member 2 is a screw assembly.
  • the lead screw assembly 2 includes a coupling (not shown) connected to the servo motor 3, a lead screw 2 connected to the coupling, and a clamping block 21 disposed on the lead screw 2, the clamping block 21 and the plunger 12 The end of the connection, the screw 2 rotates to drive the plunger 12 to make a reciprocating linear motion.
  • the liquid supply components are two groups, that is, the constant-current continuous liquid supply device 100 is provided with two servo motors 3, two hydraulic cylinders 1, and two screw assemblies 2.
  • the servo motor 3 is connected to the lead screw 2 through the coupling, and converts the rotary motion into a linear motion, and drives the hydraulic cylinder 1 to perform piston movement.
  • the second check valve 6 is guided to convey the spinning solution from the liquid supply container 5 to the hydraulic cylinder 1 (ie, the second check valve is opened to form a passage), and the first check valve 61 is guided to the hydraulic cylinder 1
  • the spinning solution in the solution is delivered to the electrospinning device (ie, the first one-way valve is opened to form a passage).
  • the two hydraulic cylinders 1 are connected in parallel up and down.
  • one of the hydraulic cylinders ie, the hydraulic cylinder 1 conveys the spinning solution to the electrospinning device
  • the other hydraulic cylinder ie, the hydraulic cylinder 2 draws the spinning from the liquid supply container 5.
  • the solution, the two hydraulic cylinders 1 have the same speed of movement and complement each other.
  • the present invention also provides a constant continuous liquid supply method, the working method comprising the steps of: setting a uniform parameter to two servo motors 3, setting a flow curve of the hydraulic cylinder 1 and making two The flow curve of the hydraulic cylinder 1 is coupled.
  • *A, and the two hydraulic cylinders 1 are arranged in parallel in parallel, the output flow rate of the two hydraulic cylinders 1 is q
  • *A 2 (
  • the moving speed of the plunger 12 of the upper and lower hydraulic cylinders 1 is
  • C, and C is a constant.
  • the second embodiment is an electrospinning device incorporating the present invention.
  • the electrospinning device is a coaxial electrospinning device provided with two constant continuous liquid supply devices 100 of the present invention, and a constant continuous liquid supply device 100 is connected to the inner casing of the spinning nozzle 7 through a liquid guiding tube 41.
  • Another constant continuous liquid supply device 100 is connected to the outer casing of the spinneret 7 through the liquid conduit 42, and the two constant continuous liquid supply devices 100 simultaneously supply liquid, and the plunger 12 of the hydraulic cylinder 1 in the constant liquid supply device 100 is constantly maintained. The speed of movement remains the same.
  • the spinning nozzle 7 is driven by the high-voltage power supply device 9 to spray the spinning solution onto the corresponding receiving device aluminum foil 8 for receiving, thereby realizing a large number of preparations for producing micro-nano materials.
  • the electrospinning device of the third embodiment uses only one set of the constant-period continuous liquid supply device 100 of the present invention, and the hydraulic cylinder 1 in the constant continuous liquid supply device 100 The speed of movement of the plunger 12 remains unchanged, which is directly connected to the spinning nozzle 7 through the conduit 4, enabling a large number of preparations for the production of micro-nano materials.
  • the electrospinning device of the fourth embodiment is provided with a liquid supply 5, and the constant continuous liquid supply device 100 transports the spinning solution into the liquid supply tank 5. Keep the page in the liquid supply tank 5 unchanged.
  • the spinning device of the fifth embodiment is a funnel-type air-jet spinning device, and the constant continuous liquid supply device 100 conveys the spinning solution to the liquid supply tank 5 surrounding the funnel 7. In the middle, the page in the liquid supply tank 5 is kept unchanged.
  • the flow curves of the hydraulic cylinder 1 are coupled and all the hydraulic cylinders 11 are arranged in parallel, so that the movements of the hydraulic cylinders 1 are mutually reversed, thereby achieving complementary flow rates and achieving constant continuous liquid supply;
  • the constant continuous liquid supply device 100 has no high-speed running parts, and the constant continuous liquid supply device 100 has less friction and vibration; the constant continuous liquid supply device 100 has a simple structure, is convenient to operate, and is easy to implement;

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • External Artificial Organs (AREA)

Abstract

一种恒定持续供液装置，用于静电纺丝装置，该恒定持续供液装置包括至少两组供液组件、分别与每组供液组件连接的供液容器（5）及对应供液组件的数量设置的至少两个导液管（4）；每组供液组件包括一液压缸（1）和与液压缸连接且驱动液压缸实现往复运动的驱动装置，液压缸具有缸体（11）和设置在缸体上的柱塞（12）且将缸体分割成两个子腔体（13），其中至少一个子腔体内填充有纺丝液且与供液容器（5）及导液管（4）连通，驱动装置驱动柱塞往复直线运动。该恒定持续供液装置中没有高速运转的零部件，整体摩擦和震动较小，结构简单，操作方便且易于实现；在批量生产纳米纤维膜的过程中，减小了暂停纺丝过程并人为供液产生的误差。

Description

恒定持续供液装置
本申请要求了申请日为2017年07月25日,申请号2017106100990,发明名称为“恒定持续供液装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及一种恒定持续供液装置，适用于各种静电纺丝装置中。
背景技术
静电纺丝技术是目前世界上使用最普遍的生产纳米纤维的方法，如：单针头静电纺、同轴静电纺、自由液面纺、气泡纺、针盘纺等，但静电纺丝产量低是该项技术从实验室走向产业化生产及应用的最大的技术障碍。造成产量低的最主要的原因是不完善的供液装置，目前所有的纺丝方法的供液装置，都无法实现连续的提供纺丝溶液，需要人为的提供纺丝溶液，不仅不能连续的纺丝而且也会造成人为的因素造成纺丝的质量。
发明内容
本发明的目的在于提供一种恒定持续供液装置，通过上下并联设置的液压缸，驱动装置驱动液压缸并使液压缸的动作互逆，实现恒定持续供液。
为达到上述目的，本发明提供如下技术方案：一种恒定持续供液装置，用于静电纺丝装置，所述恒定持续供液装置包括至少两组供液组件、分别与每组所述供液组件连接的供液容器及对应供液组件的数量设置的至少两个导液管；每组所述供液组件包括一液压缸和与所述液压缸连接且驱动所述液压缸实现往复运动的驱动装置，所述液压缸具有缸体和设置在所述缸体上的柱塞，所述缸体内通过所述柱塞分割成两个子腔体，其中至少一个子腔体内填充有纺丝液，所述驱动装置驱动所述柱塞往复直线运动，填充有纺丝液的子腔体与供液容器及导液管连通。
进一步的，所有所述液压缸的流量曲线耦合设置。
进一步的，所述驱动装置包括动力部件及连接动力部件和柱塞的传动部件。
进一步的，所述动力部件为伺服电机。
进一步的，所述传动部件为丝杠组件。
进一步的，所述丝杠组件包括与所述动力部件连接的联轴器、与所述联轴器连接的丝杠及设置在丝杠上的夹持块，所述夹持块与所述柱塞的端部连接。
进一步的，每个所述导液管上安装有第一单向阀，每个所述子腔体与供液容器之间通过导管连接，每个导管上安装有第二单向阀，所述第一单向阀的导向与所述第二单向阀的导向相反。
进一步的，所述液压缸通过导液管上下并联。
本发明还提供了一种恒定持续供液方法，所述工作方法包括如下步骤：设定所述液压缸的流量曲线并使所有液压缸的流量曲线耦合；启动所述装置。
进一步的，所述液压缸及伺服电机设定的参数一致。
本发明的有益效果在于：本发明的恒定持续供液装置中驱动装置驱动液压缸做往复直线运动，液压缸之间的动作互逆且输出流量曲线耦合，实现恒定持续供液；该恒定持续供液装置结构简单，操作方便且易于实现；该恒定持续供液装置没有高速运转的零部件，整体摩擦和震动较小，且噪音污染也小。
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，并可依照说明书的内容予以实施，以下以本发明的较佳实施例并配合附图详细说明如后。
附图说明
图1为本发明恒定持续供液装置的结构示意图。
图2为图1中液压缸的输出流量曲线图。
图3为装有本发明的同轴静电纺丝装置。
图4为装有本发明的单针头静电纺丝装置。
图5为装有本发明的针盘纺丝装置。
图6为装有本发明的漏斗式喷气纺丝装置。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。
请参见图1，本发明的一较佳实施例的恒定持续供液装置100用于各种静电纺丝装置中，包括至少两组供液组件(未标号)、分别与每组供液组件连接的供液容器5及对应供液组件的数量设置的至少两个导液管4。
每组供液组件包括一液压缸1和与液压缸1连接且驱动液压缸1实现往复运动的驱动装置(未标号)，液压缸1通过导液管4上下并联且其流量曲线耦合设置，液压缸1具有缸体11和设置在缸体11上的柱塞12，缸体11内通过柱塞12分割成两个子腔体13，其中至少一个子腔体13内填充有纺丝液，驱动装置驱动柱塞12往复直线运动，填充有纺丝液的子腔体13与供液容器5及导液管4连通。每个导液管4上安装有第一单向阀61，每个子腔体与供液容器5之间通过导管4连接，每个导管4上安装有第二单向阀6，第一单向阀61的导向与第二单向阀6的导向相反。
驱动装置包括动力部件3及连接动力部件3和柱塞12的传动部件2。动力部件3为伺服电机。传动部件2为丝杠组件。丝杠组件2包括与伺服电机3连接的联轴器(未图示)、与联轴器连接的丝杠2及设置在丝杠2上的夹持块21，夹持块21与柱塞12的端部连接，丝杠2转动带动柱塞12做往复直线运动。
在本实施例中，供液组件为两组，即该恒动持续供液装置100设置有两个伺服电机3、两个液压缸1及两个丝杠组件2。
伺服电机3通过联轴器与丝杠2连接，将旋转运动转化为直线运动，带动液压缸1做活塞运动。第二单向阀6的导向为从供液容器5中将纺丝溶液输送至液压缸1(即第二单向阀打开，形成通路)，第一单向阀61的导向为将液压缸1中的纺丝溶液输送至静电纺丝装置(即第一单向阀打开，形成通路)。
两个液压缸1上下并联，当其中一个液压缸(即液压缸一)向静电纺丝装置输送纺丝溶液时，另一个液压缸(即液压缸二)则从供液容器5中汲取纺丝溶液，两个液压缸1的运动速度一致，实现互补。
再结合图2，本发明还提供了一种恒定持续供液方法，所述工作方法包括如 下步骤：给两个伺服电机3设定一致的参数，设定液压缸1的流量曲线并使两个液压缸1的流量曲线耦合。单独一个液压缸1的输出流量为q＝|v|*A，两个液压缸1上下并联设置，则两个液压缸1的输出流量为q＝|v1|*A1+|v2|*A2＝(|v1|+|v2|)*A。又因为已设定两个液压缸1的输出流量曲线耦合，则上下两个液压缸1的柱塞12的运动速度为|v1|+|v2|＝C，C为常数。
即当其中一个液压缸(即液压缸一)向静电纺丝装置输送纺丝溶液时，另一个液压缸(即液压缸二)则从供液容器5中汲取纺丝溶液，两个液压缸1的运动速度一致且动作互逆，实现互补。最后启动装置。
请结合图3，与上述实施例不同的是，本实施例二是装有本发明的静电纺丝装置。该静电纺丝装置为同轴静电纺丝装置，其设置有两个本发明的恒定持续供液装置100，一个恒定持续供液装置100通过导液管41连接到纺丝喷头7的里壳，另一个恒定持续供液装置100通过导液管42连接到纺丝喷头7的外壳，两个恒定持续供液装置100同时进行供液，恒定持续供液装置100中的液压缸1的柱塞12运动速度保持不变。纺丝喷头7在高压供电装置9的驱动下，将纺丝溶液喷射到对应的接受装置铝箔纸8上以便接收，实现大量制备生产微纳米材料。
请结合图4，与实施例二不同的是，本实施例三的静电纺丝装置只采用了一组本发明的恒动持续供液装置100，恒定持续供液装置100中的液压缸1的柱塞12运动速度保持不变，其通过导管4直接与纺丝喷头7连接，实现大量制备生产微纳米材料。
请结合图5，与实施例二及实施例三都不同的是，本实施例四的静电纺丝装置设置有供液5，恒定持续供液装置100将纺丝溶液输送到供液槽5内，保持供液槽5内的页面不变。
请结合图6，与实施例四不同的是，本实施例五的纺丝装置为漏斗式喷气纺丝装置，恒定持续供液装置100将纺丝溶液输送至包围着漏斗7的供液槽5中，保持供液槽5内的页面不变。
综上所述：所述液压缸1的流量曲线耦合且所有液压缸11并联设置，使得液压缸1的动作互逆，从而实现流量互补，实现恒定持续供液；
该恒定持续供液装置100中没有高速运转的零部件，恒定持续供液装置100整体摩擦和震动较小；该恒定持续供液装置100结构简单，操作方便且易于实现；
在批量生产纳米纤维膜的过程中，减小了暂停纺丝过程并人为供液产生的误差。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种恒定持续供液装置，用于静电纺丝装置，其特征在于：所述恒定持续供液装置包括至少两组供液组件、分别与每组所述供液组件连接的供液容器及对应供液组件的数量设置的至少两个导液管；每组所述供液组件包括一液压缸和与所述液压缸连接且驱动所述液压缸实现往复运动的驱动装置，所述液压缸具有缸体和设置在所述缸体上的柱塞，所述缸体内通过所述柱塞分割成两个子腔体，其中至少一个子腔体内填充有纺丝液，所述驱动装置驱动所述柱塞往复直线运动，填充有纺丝液的子腔体与供液容器及导液管连通。
  2. 如权利要求1所述的恒定持续供液装置，其特征在于：所有所述液压缸的流量曲线耦合设置。
  3. 如权利要求1或2所述的恒定持续供液装置，其特征在于：所述驱动装置包括动力部件及连接动力部件和柱塞的传动部件。
  4. 如权利要求3所述的恒定持续供液装置，其特征在于：所述动力部件为伺服电机。
  5. 如权利要求3所述的恒定持续供液装置，其特征在于：所述传动部件为丝杠组件。
  6. 如权利要求5所述的恒定持续供液装置，其特征在于：所述丝杠组件包括与所述动力部件连接的联轴器、与所述联轴器连接的丝杠及设置在丝杠上的夹持块，所述夹持块与所述柱塞的端部连接。
  7. 如权利要求1或2所述的恒定持续供液装置，其特征在于：每个所述导液管上安装有第一单向阀，每个所述子腔体与供液容器之间通过导管连接，每个导管上安装有第二单向阀，所述第一单向阀的导向与所述第二单向阀的导向相反。
  8. 如权利要求1或2所述的恒定持续供液装置，其特征在于：所述液压缸通过导液管上下并联。
  9. 一种恒定持续供液方法，其特征在于，所述工作方法包括如下步骤：提供如权利要1至8项任一项所述的恒定持续供液装置，设 定所述液压缸的流量曲线并使所有液压缸的流量曲线耦合；启动所述装置。
  10. 如权利要求9所述的工作方法，其特征在于：所述液压缸及伺服电机设定的参数一致。
PCT/CN2017/103108 2017-07-25 2017-09-25 恒定持续供液装置 Ceased WO2019019335A1 (zh)

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CN115559052A (zh) * 2022-10-27 2023-01-03 晋江市达利服装织造有限公司 一种复合纳米抗菌纤维的内裤面料制备方法及静电纺丝装置

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