WO2016115731A1

WO2016115731A1 - Elastic fibre dry spinning assembly

Info

Publication number: WO2016115731A1
Application number: PCT/CN2015/071436
Authority: WO
Inventors: 袁祖涛; 张运启; 郑江
Original assignee: 郑州中远氨纶工程技术有限公司
Priority date: 2015-01-23
Filing date: 2015-01-23
Publication date: 2016-07-28

Abstract

An elastic fibre dry spinning assembly, comprising a plurality of metering devices (1). A drive shaft of each of the metering devices (1) is in drive connection to a power drive device (5), the metering devices (1) are connected to a temperature control box (3) via an interface conversion portion (2), and the temperature control box (3) is connected to a spinneret portion (4). The spinning assembly lowers energy consumption and installation electric power, and guarantees the consistency for metering a polymer solution used for elastic fibre dry spinning by each metering device, thereby guaranteeing the homogeneity of product quality such as thickness uniformity of all produced elastic fibre bundles.

Description

Elastic fiber dry spinning component

Technical field

The present invention relates to an elastic fiber spinning technique, and in particular to an elastic fiber dry spinning component.

Background technique

With the continuous development of dry spinning technology of elastic fibers such as spandex, the unit production capacity is continuously increased, and the number of tows of elastic fibers placed in a single spinning box is increasing, and the spinning is performed on the spinning box. A solution in which a single metering unit is configured in a component is no longer sufficient to meet the increasing metering requirements for the number of tows. In order to solve the above problems, the spinning members that are butted against the spinning box are usually provided with two or more metering devices, and the different metering devices are driven by different power driving devices, as shown in Fig. 1, each metering device 1a has The independent power driving device 5a, the polymer solution for elastic fiber spinning is accurately metered by each metering device 1a, and then sent to the temperature control portion 3a via the metal hose 2a, and is disposed in the polymer solution channel of the temperature control portion 3a. The spinning section 4a enters the spinning box.

In the above solution, each metering device has its own independent power driving device, and the power driving device is usually composed of a synchronous motor and a gearbox. Since there is usually a certain degree of manufacturing difference between different power driving devices, this makes the same work. Under the conditions (such as the same power frequency), there is a certain degree of difference in the power output from different power drive devices, which results in a certain degree of difference in the measurement amount of the polymer solution by different metering devices. It directly affects the homogeneity of the elastic fibers produced, such as the uniformity of the thickness. In addition, for each of the plurality of metering devices, each of which is equipped with a separate power drive device, equipment investment, installed electromechanical power and energy consumption will be significantly improved.

Summary of the invention

A brief summary of the invention is set forth below in order to provide a basic understanding of certain aspects of the invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical aspects of the invention, and is not intended to limit the scope of the invention. Its purpose is to present some concepts in a simplified form as a pre-

Embodiments of the present invention provide an elastic fiber dry spinning component.

An elastic fiber dry spinning component provided by an embodiment of the present invention includes a plurality of metering devices, wherein each of the driving shafts of the plurality of metering devices are drivingly connected to a power driving device, and the plurality of metering devices are The interface conversion unit is coupled to a temperature control box that is coupled to a spin section.

In combination with any of the elastic fiber dry spinning components provided by the present invention, optionally, the plurality of non-linearly arranged outlets of the metering device are converted into linearly arranged outlets via the interface conversion portion, and Correspondingly communicating with a plurality of linearly arranged polymer solution channels included in the temperature control box.

In combination with any of the elastic fiber dry spinning components provided by the present invention, optionally, the metering device, the interface conversion portion, the temperature control box and the spinning portion are sequentially connected from top to bottom.

In combination with any of the elastic fiber dry spinning components provided by the present invention, optionally, at least two of the metering device, the interface conversion portion, the temperature control box and the spinning portion are detachable .

In combination with any of the elastic fiber dry spinning components provided by the present invention, optionally, at least one of the metering devices has a support unit on the drive shaft that can bear radial and axial forces, and the power drive device The drive shaft of the respective metering device is driven via the support unit.

In combination with any of the elastic fiber dry spinning components provided by the present invention, optionally, the support unit includes a centripetal thrust bearing.

In combination with any of the elastic fiber dry spinning components provided by the present invention, optionally, the radial thrust bearing comprises: a centripetal thrust rolling bearing or a centripetal thrust sliding bearing.

In combination with any of the elastic fiber dry spinning components provided by the present invention, optionally, the power driving device includes: a power mechanism and a gear mechanism, the power mechanism drives the gear mechanism, and the gear mechanism A plurality of power output portions are included, and the power output portion corresponds to driving the drive shaft of the metering device.

In combination with any of the elastic fiber dry spinning components provided by the present invention, optionally, the power of the power mechanism is respectively transmitted to a plurality of the power output portions of the gear structure via a transmission shaft.

In combination with any of the elastic fiber dry spinning components provided by the present invention, optionally, the power mechanism is directly connected to the transmission shaft, and the plurality of power output portions are respectively disposed on the transmission shaft; or The power mechanism is connected to the transmission shaft via a transmission belt, and the plurality of power output portions are respectively disposed on the transmission shaft.

In combination with any of the elastic fiber dry spinning components provided by the present invention, optionally, the gear mechanism includes a gearbox having a plurality of power output shafts, and the power output shaft is driven as a power output portion. The drive shaft of the metering device.

In combination with any of the elastic fiber dry spinning components provided by the present invention, optionally, the power mechanism includes a reduction motor.

In combination with any of the elastic fiber dry spinning components provided by the present invention, optionally, at least one of the power output portions includes a bevel gear.

The elastic fiber dry spinning component provided by the embodiment of the invention is provided with the same power driving device for a plurality of metering devices, and the driving shafts of the plurality of metering devices respectively obtain driving force through the same power driving device, thereby reducing energy consumption and mounting electromechanical power, and ensuring Each metering device obtains a consistent driving force, so that each metering device The uniformity of the measurement of the polymer solution for the elastic spinning of the elastic fiber, thereby ensuring the uniformity of the quality of the product such as the uniformity of the bundle of elastic fibers.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any inventive labor.

1 is a block diagram showing an optional structure of a first elastic fiber dry spinning component according to an embodiment of the present invention;

2 is a schematic view showing an optional structure of a second elastic fiber dry spinning component according to an embodiment of the present invention;

3 is a schematic view showing an optional structure of a third elastic fiber dry spinning component according to an embodiment of the present invention;

4 is a schematic view showing an optional structure of a fourth elastic fiber dry spinning component according to an embodiment of the present invention;

5 is a schematic view showing an optional structure of a fifth elastic fiber dry spinning component according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of an optional structure of a metering device according to an embodiment of the present invention; FIG.

Fig. 7 is a schematic view showing the structure of an elastic fiber dry spinning member provided by the prior art.

Description of the reference signs:

1-metering device; 2-interface conversion unit; 3-temperature control box; 4-spray section; 5-power drive unit; 51-reduction motor; 52-drive shaft; 53-bevel gear; 54-gear box; - support unit; 7-drive shaft; F1-radial force; F2 axial force;

1a-metering device; 2a-metal hose; 3a-temperature control section; 4a-spinning section; 5a-power drive unit.

The elements in the figures are only shown for simplicity and clarity and are not necessarily drawn to scale. For example, the dimensions of some of the elements in the figures may be exaggerated relative to other elements in order to facilitate an understanding of the embodiments of the invention.

detailed description

The technical solutions in the embodiments of the present invention will be further clearly and completely described in the following text and/or with reference to the accompanying drawings. Some embodiments of the invention, rather than all of the embodiments. For clarity In the interest of brevity, not all features of an actual implementation are described in the specification. However, it should be appreciated that many implementation-specific decisions must be made in the development of any such practical embodiment in order to achieve the developer's specific objectives, for example, compliance with system and business related constraints, and these Restrictions may vary from implementation to implementation. Moreover, it should also be appreciated that while development work can be very complex and time consuming, such development work is merely a routine task for those skilled in the art having the benefit of this disclosure.

It should also be noted that the elements and features described in one drawing or embodiment of the invention may be combined with the elements and features illustrated in one or more other figures or embodiments. In order to avoid obscuring the present invention by unnecessary detail, only the device structure and/or processing steps closely related to the solution according to the present invention are described in the drawings and the description, and the relationship with the present invention is omitted. Representation and description of components and processes known to those of ordinary skill in the art. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without departing from the inventive scope are the scope of the present invention.

Those skilled in the art can understand that the terms "first", "second" and the like in the present invention are only used to distinguish different steps, devices or modules, etc., and do not represent any specific technical meaning or necessarily between them. Logical order.

1 is a structural block diagram of a first elastic fiber dry spinning component according to an embodiment of the present invention. As shown in FIG. 1, a plurality of metering devices 1, an interface converting portion 2, a temperature control box 3, a spinning portion 4, and a power driving device 5 are included. Each of the drive shafts of the plurality of metering devices 1 is drivingly connected to a power drive device 5, and a plurality of the metering devices 1 are connected to a temperature control box 3 via an interface conversion unit 2, and the temperature control box 3 is A spinneret 4 is connected.

In the elastic fiber dry spinning component, a plurality of the metering devices 1 share the same power driving device 5, that is, a power driving device 5 respectively supplies driving power for a plurality of metering devices 1; The polymer solution for the dry spinning of the elastic fiber is metered; the polymer solution after being metered by the plurality of metering devices 1 is subjected to temperature corresponding to the plurality of polymer solution channels flowing into the temperature control box 3 via an interface conversion unit 2 After the control, the corresponding spinning holes (Nozz l e) of the spinning section 4 are spun and processed into the spinning box.

It can be seen that the elastic fiber dry spinning component provided by the embodiment of the present invention configures the same power driving device for a plurality of metering devices, and the driving shafts of the plurality of metering devices respectively obtain driving force through the same power driving device, thereby reducing energy consumption and mounting mechanical power. To ensure that each metering device obtains a consistent driving force, so that each metering device can measure the consistency of the polymer solution for the elastic fiber dry spinning, thereby ensuring the uniformity of the product quality of each bundle of elastic fibers, such as the thickness uniformity. Sex.

Optionally, the elastic fiber dry spinning component provided by the embodiment of the present invention converts the plurality of non-linearly arranged outlets of the metering device into the linearly arranged outlets through the interface conversion portion, and The temperature control box includes a plurality of linearly arranged polymer solution channels correspondingly connected. The solution realizes that the metal hose can be directly connected between the outlet of the metering device and the inlet of the polymer solution channel of the temperature control box, thereby saving the space required for arranging the metal hose joint, and the space saved can be arranged more. The inlet and outlet of the solution flow allows the spinning assembly including the temperature control box and the spinning section to eject more tows in a limited space, thereby improving efficiency and reducing production cost of the product.

Optionally, the metering device, the interface conversion unit, the temperature control box and the spinning section are connected in sequence from top to bottom. The solution can make the spinning component compact and small in size, which is beneficial to improve space utilization.

Optionally, at least two of the metering device, the interface conversion portion, the temperature control box, and the spinning portion are detachable. For example: a detachable connection between one or more metering devices and the interface converter, and/or a detachable connection between the interface converter and the temperature control box, and/or between the temperature control box and the spin section Removable connection, thereby increasing the flexibility of assembly of the corresponding components and the convenience of cleaning, maintenance, and the like.

In any of the technical solutions provided by the embodiments of the present invention, the specific structure of the power driving device may be determined according to the actual needs of the plurality of metering devices for synchronous driving, which is not limited by the embodiment of the present invention. For example, the power driving device includes: a power mechanism and a gear mechanism, the power mechanism is connected to the gear mechanism, the gear mechanism includes a plurality of power output portions, and the power output portion is correspondingly driven The drive shaft of the metering device. The solution transmits the power outputted by a power mechanism directly or indirectly to the drive shaft of the metering device through the gear meshing of the plurality of power output portions of the gear mechanism, thereby facilitating accurate drive control.

Optionally, the power mechanism may include, but is not limited to, a speed reduction motor. The use of a reduction motor as a power source for driving a plurality of metering devices in the elastic fiber dry spinning component can fully utilize the space saving, reliability and durability, high process capability, high efficiency, low energy consumption, low vibration, etc. One or more advantages to simplify the structure of the elastic fiber dry spinning component and to improve the overall performance of the elastic fiber dry spinning component.

In an optional implementation manner, the transmission connection manner of the power mechanism and the power output portion can be transmitted by means of, but not limited to, a transmission shaft, and the power of the power mechanism is respectively transmitted to a drive through a transmission shaft. A plurality of the power output portions of the gear mechanism. The transmission mode of the scheme is simple and easy to implement.

Optionally, at least one of the power output parts of the gear mechanism may include, but is not limited to, a bevel gear. By using a bevel gear as a power output unit for directly or indirectly transmitting power to a metering device in an elastic fiber dry spinning component, power transmission between intersecting shafts can be realized, and the bevel gear has a long service life and high load bearing. One or more advantages of strength, chemical resistance and corrosion resistance, noise reduction, shock absorption, light weight, low cost, etc., to simplify the structure of the elastic fiber dry spinning component and improve the overall performance of the elastic fiber dry spinning component performance.

Further, the transmission connection between the power mechanism and the transmission shaft is very flexible.

For example, the power mechanism is directly connected to the transmission shaft, and the plurality of power output portions are respectively disposed on the transmission shaft, that is, the power mechanism can be directly connected to the transmission shaft. The power of the power mechanism is directly transmitted to the transmission shaft, and the plurality of power output portions disposed on the transmission shaft are transmitted through the transmission shaft, and the drive shafts of the plurality of metering devices are respectively driven correspondingly through the plurality of power output portions. As shown in FIG. 2, a reduction motor 51 can be selected as the power mechanism, and a plurality of bevel gears 53 can be used as a plurality of power output portions of the gear mechanism, and the reduction motor 51 is directly connected to the transmission shaft 52, and then passes through a plurality of The meshing of the bevel gear 53 transmits power to the respective metering units 1. The transmission mode of the scheme is simple and reliable.

For another example, the power mechanism is connected to the transmission shaft via a transmission belt, and the plurality of power output portions are respectively disposed on the transmission shaft, that is, the power mechanism can be described by an intermediate member such as a conveyor belt. The power of the power mechanism is indirectly transmitted to the transmission shaft, and the plurality of power output portions disposed on the transmission shaft are transmitted through the transmission shaft, and the drive shafts of the plurality of metering devices are respectively driven correspondingly through the plurality of power output portions. As shown in FIG. 3, the speed reducing motor 51 can transmit power to a propeller shaft 52 through a conveyor belt 54, and then transmit power to the respective metering units 1 through the meshing of the plurality of bevel gears 53. The transmission mode of the solution is simple and reliable, and the power transmission link between the power mechanism and the transmission shaft is realized by using an intermediate component such as a conveyor belt, thereby improving the flexibility of the arrangement of the power mechanism such as the reduction motor, thereby facilitating the space for equipment arrangement. Adaptability, reduce equipment size, facilitate equipment installation and maintenance, and improve space utilization.

In another optional implementation, a gear box may be selected as the gear mechanism, wherein the gear box has a plurality of power output shafts, and the power output shaft is driven as a power output unit. Said drive shaft of the metering device. For the convenience of users, some manufacturers provide special gearboxes similar to the gear mechanism assembly. The solution can select a gear box having a plurality of power output shafts according to actual needs, and directly or indirectly transmit power of the power mechanism to a plurality of drive shafts of the plurality of metering devices through the plurality of power output shafts of the gear box. That is to say, the power of the power mechanism is distributed through the gear box, and the power of one power mechanism is synchronously driven to drive a plurality of metering devices, the solution is simple and easy to implement, and the selection range of the gear box is also wide. The arrangement of the power mechanism relative to the gear box is also very flexible, such as a power mechanism such as the speed reducing motor 51 can be arranged along the axial direction of the parallel gear box 54 (as shown in FIG. 4), or a motor such as a speed reducer can be used. The equal power mechanism is arranged along the axial direction of the vertical gear box 54 (as shown in FIG. 5), etc., thereby facilitating the spatial adaptability of the equipment arrangement, reducing the equipment volume, facilitating equipment installation and maintenance, and improving space utilization.

In any technical solution provided by the embodiment of the present invention, the driving connection manner between the power driving device and the plurality of metering devices is very flexible. For example, as shown in FIG. 6, at least one of the drive shafts 7 of the metering device 1 is provided with a support unit 6 capable of withstanding radial and axial forces, and the power drive device drives the corresponding metering via the support unit 6. The drive shaft 7 of the device 1. The inventor of the present invention is practicing In the process of the embodiment of the present invention, it is found that the transmission part of the power driving device such as the transmission shaft used in the elastic fiber dry spinning component is usually a pure torque shaft, and the pure torque shaft can only bear the torque, and the power driving device is During the transmission of the drive shaft of the metering device, axial and/or radial forces may be generated, and the generated axial and/or radial forces act directly on the drive shaft of the metering device, such that the metering device Damage to the drive shaft may even result in damage to the metering gear of the metering device, affecting the normal operation of the metering device. However, the elastic fiber dry spinning component provided by the embodiment of the present invention uses a power driving device to synchronously drive a plurality of metering devices, and the practical application shows that the solution causes the power driving device to generate an axial force or a diameter during the transmission process of each metering device. The probability of the force force is large, and the probability of generating the axial force and the radial force is also large. The problem of how to eliminate the adverse effects of the generated axial force and/or radial force on the metering device is more prominent. For this purpose, the solution provides a support unit 6 that can withstand radial and axial forces on the drive shaft of the metering device, via which the power drive drives the drive shaft 7 of the respective metering device 1 during the period. The power transmitted by the power drive device is transmitted to the drive shaft 7 of the corresponding metering device via the support units 6 to drive the corresponding metering device, and the axial force generated by the power drive device during the transmission of power to each support unit of each metering device F2 and/or radial force F1 are respectively absorbed or offset by each supporting unit, thereby eliminating the adverse effects that the generated axial force and/or radial force may cause on the metering device, thereby prolonging the service life of the device and reducing maintenance. Cost to ensure the normal continuous operation of the equipment.

Optionally, the support unit comprises a radial thrust bearing. The radial thrust bearing can carry both radial and axial forces. The solution is provided with a radial thrust bearing on the drive shaft of the metering unit, and the power of the power drive device is transmitted to the drive shaft of the metering device via the radial thrust bearing, and the radial force and/or the axial force generated during the power transmission process. It can be absorbed or eliminated by the radial thrust bearing to avoid damage to the metering device caused by these forces, which is beneficial to prolong the service life of the equipment and ensure the normal continuous operation of the equipment. Further, a corresponding type of radial thrust bearing may be selected according to actual needs to carry the radial force and the axial force generated during the power transmission. For example, a radial thrust rolling bearing may be selected, and the radial thrust rolling bearing may include but is not limited to Tapered roller bearings, deep groove ball bearings, etc., or, optionally, radial thrust sliding bearings, etc., to meet a variety of practical applications.

In the above embodiments of the present invention, the serial numbers of the embodiments are merely for convenience of description, and do not represent the advantages and disadvantages of the embodiments. The descriptions of the various embodiments are all different, and the parts that are not detailed in a certain embodiment can be referred to the related description of other embodiments.

In the embodiments of the apparatus and method of the present invention, it is apparent that the various components or steps may be decomposed, combined, and/or decomposed and recombined. These decompositions and/or recombinations should be considered as equivalents to the invention. Also, in the above description of specific embodiments of the present invention, features described and/or illustrated with respect to one embodiment may be used in the same or similar manner in one or more other embodiments, and in other embodiments. The features are combined or substituted for features in other embodiments.

It should be emphasized that the term "comprising" or "comprising" is used to mean the presence of a feature, element, step or component, but does not exclude the presence or addition of one or more other features, elements, steps or components.

It is to be understood that the present invention and its advantages are described in detail, and it is understood that various changes, substitutions and changes can be made without departing from the spirit and scope of the invention as defined by the appended claims. Transform. Further, the scope of the invention is not limited to the specific embodiments of the processes, devices, means, methods and steps described in the specification. It will be readily apparent to those skilled in the art from this disclosure that the present invention can be used in accordance with the present invention to perform substantially the same functions as the corresponding embodiments described herein or to obtain substantially the same results as the present and future Process, equipment, means, method or step to be developed. Therefore, the appended claims are intended to cover such a process, apparatus, means, methods or steps.

Claims

An elastic fiber dry spinning component, comprising: a plurality of metering devices, wherein each of the plurality of the metering devices is drivingly connected to a power driving device, and the plurality of metering devices are switched via an interface The portion is connected to a temperature control box, and the temperature control box is connected to a spinning portion.
The elastic fiber dry spinning member according to claim 1, wherein the plurality of non-linearly arranged outlets of the metering device are converted into linearly arranged outlets via the interface conversion portion, and The temperature control box includes a plurality of linearly arranged polymer solution channels correspondingly connected.
The elastic fiber dry spinning member according to claim 1 or 2, wherein the weighing device, the interface conversion portion, the temperature control box, and the spinning portion are connected in order from top to bottom.
The elastic fiber dry spinning member according to any one of claims 1 to 3, wherein at least two of said metering means, said interface converting portion, said temperature control box and said spinning portion are It is detachable.
The elastic fiber dry spinning component according to any one of claims 1 to 4, characterized in that at least one of the measuring devices has a support unit on the drive shaft which is capable of withstanding radial and axial forces. The power drive drives the drive shaft of the respective metering device via the support unit.
The elastic fiber dry spinning component according to claim 5, wherein the support unit comprises a centripetal thrust bearing.
The elastic fiber dry spinning member according to claim 6, wherein the radial thrust bearing comprises a centripetal thrust rolling bearing or a centripetal thrust sliding bearing.
The elastic fiber dry spinning component according to any one of claims 1 to 7, wherein the power driving device comprises: a power mechanism and a gear mechanism, wherein the power mechanism drives the gear mechanism, The gear mechanism includes a plurality of power output portions, and the power output portion correspondingly drives the drive shaft of the metering device.
The elastic fiber dry spinning component according to claim 8, wherein the power of the power mechanism is transmitted to a plurality of the power output portions of the gear structure via a transmission shaft.
The elastic fiber dry spinning member according to claim 9, wherein

The power mechanism is directly connected to the transmission shaft, and a plurality of the power output portions are respectively disposed on the transmission shaft.
The elastic fiber dry spinning member according to claim 9, wherein said power mechanism is coupled to said transmission shaft via a belt, and said plurality of power output portions are respectively disposed on said transmission shaft.
The elastic fiber dry spinning component according to claim 8, wherein the gear mechanism comprises a gearbox having a plurality of power output shafts, and the power output shaft is driven as a power output portion. The drive shaft of the metering device.
The elastic fiber dry spinning component according to any one of claims 8 to 12, wherein the power mechanism comprises a reduction motor.
The elastic fiber dry spinning member according to any one of claims 8 to 13, characterized in that at least one of the power output portions comprises a bevel gear.