阅读说明：本技术 一种用于纺丝的喷丝装置及喷丝方法 (Spinning device and method for spinning ) 是由 张琴 朱振 朱文文 于 2021-08-16 设计创作，主要内容包括：本发明公开了一种用于纺丝的喷丝装置,涉及纺丝领域,包括纺丝液箱,所述纺丝液箱与喷丝盘连通,所述喷丝盘上设置有若干喷丝孔,每个所述喷丝孔外侧环绕有喷气孔,所述喷丝孔贯穿喷丝盘,喷气孔与喷丝盘内部的气流通道连通,气流通道与供气机构连通,纺丝液箱与加压机构连接,所述供气机构与加压机构通过调节机构连接,所述喷丝盘位于喷丝通道顶部,本发明中,在将供气机构与加压机构通过调节结构连接,能够调节供气量与加压量之间的比值,将由喷丝盘底部喷出的熔融纺丝液及时吹散形成纤维丝,避免由于供气量与喷丝量不匹配导致的供气量不足影响成丝效果或供气量过多导致纤维丝易断裂。(The invention discloses a spinning device for spinning, which relates to the field of spinning and comprises a spinning solution box, the spinning solution box is communicated with a spinneret plate, a plurality of spinneret holes are arranged on the spinneret plate, jet holes are encircled outside each spinneret hole, the spinneret orifices penetrate through the spinneret plate, the spinneret orifices are communicated with an airflow channel inside the spinneret plate, the airflow channel is communicated with the air supply mechanism, the spinning solution box is connected with the pressurizing mechanism, the air supply mechanism is connected with the pressurizing mechanism through the adjusting mechanism, the spinning disk is positioned at the top of the spinning channel, air feed mechanism and pressurization mechanism are connected through adjusting the structure, can adjust the ratio between air feed volume and the pressurization volume, will in time blow off by the melt spinning liquid that spouts spinneret bottom spun and form the cellosilk, avoid influencing filamentation effect or air feed volume too much and lead to the easy fracture because the air feed volume does not match the air feed volume that leads to with spouting the volume.)

1. A spinning device for spinning, comprising a spinning solution tank (1), characterized in that: the spinning solution box (1) is communicated with the spinning disc (7), a plurality of spinning holes (71) are formed in the spinning disc (7), each spinning hole (71) is surrounded by a corresponding jet hole (731), the spinning holes (71) penetrate through the spinning disc (7), the jet holes (731) are communicated with an airflow channel (72) inside the spinning disc (7), the airflow channel (72) is communicated with the air supply mechanism (4), the spinning solution box (1) is connected with the pressurization mechanism (6), the air supply mechanism (4) is connected with the pressurization mechanism (6) through the adjusting mechanism (5), the spinning disc (7) is located at the top of the spinning channel, the spinning holes (71) are provided with a plurality of groups, each group of spinning holes (71) are in an annular array by taking the axis of the spinning disc (7) as the center, the plurality of groups of spinning holes (71) are distributed in concentric circles, and the annular array around each spinning hole (71) is provided with a plurality of jet holes (731), the axes of the air injection holes (731) are inclined with the axes of the spinneret holes (71).

2. The spinning apparatus as defined in claim 1, wherein: the air injection holes (731) are positioned on an air injection ring (73) which is rotatably connected with the outer side of the spinneret hole (71), and the air injection ring (73) is coaxially and rotatably connected with a spinneret tube on the side surface of the spinneret hole (71).

3. The spinning apparatus as defined in claim 1, wherein: the spinning liquid box (1) comprises a liquid box inner wall (13) and a liquid box outer wall (12) which are fixedly connected at intervals, the liquid box inner wall (13) is connected with the spinning disc (7) through an inner tube, and the liquid box outer wall (12) is connected with the spinning disc (7) through an outer tube.

4. The spinning device for spinning as claimed in claim 3, characterized in that the pressurizing mechanism (6) comprises a pressurizing inner cylinder communicated with the inside of the inner wall (13) of the liquid tank, the pressurizing inner cylinder is positioned in coaxial sleeve connection with a pressurizing outer cylinder communicated with the inside of the outer wall (12) of the liquid tank, a one-way valve (9) is arranged at the joint of the pressurizing inner cylinder and the inner wall (13) of the liquid tank, a piston (63) is connected in the pressurizing inner cylinder in a sliding manner, a return spring (65) is arranged between the piston (63) and the one-way valve (9), and the top end of the piston (63) is abutted against a pressurizing shaft rotatably connected with the top of the pressurizing inner cylinder.

5. The spinning device for spinning according to claim 4, characterized in that the top end of the piston (63) is a chamfered surface, the bottom end of the pressurizing shaft is abutted against the top of the piston (63) through a top plate, a sliding block (64) is fixedly connected to the side surface of the piston (63), the sliding block (64) penetrates through a sliding groove on the pressurizing inner cylinder and is slidably connected in the sliding groove, and the pressurizing shaft and the pressurizing inner cylinder are axially fixed.

6. Spinning apparatus for spinning according to claim 5, characterized in that the air supply means (4) comprise fan blades (41) fixedly attached to the outside of the pressurized shaft, said fan blades (41) being located inside the pressurized outer cylinder.

7. The spinning device for spinning as defined in claim 5, characterized in that the adjusting mechanism (5) comprises an adjusting bolt (51) penetrating through and threadedly connected with the pressurizing rod, the bottom end of the adjusting bolt (51) is fixedly connected with the top plate, and the adjusting bolt (51) is connected with the pressurizing rod through a locking bolt (52).

8. The spinning method of the spinning apparatus for spinning as claimed in any of the claims 1 to 7, it is characterized in that the melt spinning solution is sent into a spinning solution box (1) by a conveying device, the spinning solution in the spinning solution box (1) is sprayed out from a spinneret orifice (71) on a spinneret plate (7) under the action of a pressurizing mechanism (6), jet orifices (731) are arranged around the spinneret orifice (71), the air supply mechanism (4) is communicated with the air injection holes (731) through the air flow channel (72), the hot air sprayed from the air injection holes (731) directly acts on the spinning fiber, the action distance of the air is shorter, the energy loss in the flowing process of the hot air can be reduced, and the air supply mechanism (4) is connected with the pressurizing mechanism (6) through the adjusting mechanism (5), so that the required pressure of the spinning solution sprayed out from the spinning solution box (1) and the air flow impact force of the spinning solution after being sprayed out can be adjusted according to requirements.

Technical Field

The invention relates to the field of spinning, in particular to a spinning device and a spinning method for spinning.

Background

The spinning comprises natural fiber spinning and artificial fiber spinning, wherein the artificial fiber spinning mode is that after raw materials are melted, melted spinning solution is sprayed out through a spinneret plate, fiber yarns are formed under the impact of high-temperature air flow, and then the fiber yarns are collected and spun.

The application document with the application number of CN201410605077.1 discloses an airflow turntable spinning device for preparing nano fibers, which comprises a feeding system, an air supply system and a spinning system, wherein the feeding system comprises a screw extruder or a spinning solution feeder, a metering pump and a spinning melt or solution distribution flow channel; the air supply system comprises an air compressor, an air storage tank, an air supply pipeline and an air manifold; the spinning system comprises a spinning turntable, a motor and a collector; the central shaft of the spinning rotary table is of a double-layer hollow structure, the innermost layer is a mandrel, and the spinning rotary table is driven to rotate under the action of a motor; the spinneret rotary disc is uniformly provided with a plurality of spinneret holes along the circumferential direction, and the periphery of each spinneret hole is surrounded by an annular airflow nozzle. The airflow rotary disc spinning device can be used for preparing the nano fibers, and the yield is remarkably higher than that of electrostatic spinning.

However, the existing blowing modes all adopt direct blowing, the flow direction of the airflow is parallel to the spinneret orifice, so that the airflow only acts on the edge of the spinneret orifice, and the spinning solution in the center of the spinneret orifice cannot be blown to the spinneret orifice, so that the fiberization degree of the spinning solution is not high.

Disclosure of Invention

The present invention is directed to a spinning apparatus and a spinning method for spinning, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a spinneret device for spinning, includes the spinning solution case, spinning solution case and spinneret intercommunication, be provided with a plurality of spinneret orifices on the spinneret, every the spinneret outside is surrounded there is the fumarole, the spinneret runs through the spinneret, and the fumarole communicates with the inside air current passageway of spinneret, and air current passageway and air feed mechanism intercommunication, and the spinning solution case is connected with loading system, air feed mechanism passes through adjustment mechanism with loading system and is connected, the spinneret is located the spinneret top, the spinneret has the multiunit, and every group spinneret is annular array with the spinneret axis as the center, and the multiunit spinneret is concentric circles and distributes, and the annular array has a plurality of fumaroles around being located every spinneret, the fumarole axis inclines mutually with the spinneret axis.

Preferably, the air injection holes are positioned on an air injection ring rotatably connected with the outer side of the spinneret hole, and the air injection ring is coaxially and rotatably connected with a spinneret tube on the side surface of the spinneret hole.

Preferably, the spinning liquid box comprises a liquid box inner wall and a liquid box outer wall which are fixedly connected at intervals, the liquid box inner wall is connected with the spinning disc through an inner tube, and the liquid box outer wall is connected with the spinning disc through an outer tube.

Preferably, the pressurization mechanism includes the pressurization inner tube with the inside intercommunication of liquid tank inner wall, the pressurization inner tube is located and cup joints with the pressurization urceolus of the inside intercommunication of liquid tank outer wall is coaxial, pressurization inner tube and liquid tank inner wall junction are provided with the check valve, are located pressurization inner tube sliding connection and have the piston, be provided with reset spring between piston and the check valve, the piston top is contradicted with the pressurization axle that pressurization inner tube top rotation is connected.

Preferably, the piston top is the scarf, and the pressurization axle bottom is contradicted through roof and piston top, piston side fixedly connected with slider, the slider runs through spout and sliding connection on the pressurization inner tube in the spout, pressurization axle and pressurization inner tube axial fixity.

Preferably, the air supply mechanism comprises a fan blade fixedly connected to the outer side of the pressurizing shaft, and the fan blade is located in the pressurizing outer cylinder.

Preferably, the adjusting mechanism comprises an adjusting bolt penetrating through the pressurizing rod and in threaded connection with the pressurizing rod, the bottom end of the adjusting bolt is fixedly connected with the top plate, and the adjusting bolt is connected with the pressurizing rod through a locking bolt.

The utility model provides a spout a method for spinning spout a device of spinning, the melting spinning liquid is sent into the spinning liquid case through conveying equipment, the spinning liquid in the spinning liquid case is spout by the spinneret orifice on the spinneret plate under the effect of loading system, set up the fumarole around the spinneret orifice, make air feed mechanism and fumarole intercommunication through airflow channel, spun hot air direct action is on the spinning fibre in the fumarole, gaseous working distance is shorter, can reduce the energy loss of hot air flow in-process, and air feed mechanism passes through adjustment mechanism with loading system and is connected, can be according to the demand, to the spinning liquid by spinning liquid case required pressure of blowout and the spinning liquid jet back air current impact force of receiving adjust.

Compared with the prior art, the invention has the beneficial effects that:

1. the gas supply mechanism is connected with the pressurizing mechanism through the adjusting structure, the ratio of gas supply quantity to pressurizing quantity can be adjusted, and the melt spinning solution sprayed from the bottom of the spinning disk is blown away in time to form the fiber yarns, so that the problem that the spinning effect is influenced by insufficient gas supply quantity or the fiber yarns are easy to break due to excessive gas supply quantity caused by mismatching of the gas supply quantity and the spinning quantity is avoided;

2. the jet holes inclined to the horizontal plane are arranged on the jet ring of the jet disc and act on the circumference of the jet hole, the interior of the jet disc is communicated with an air source, the jet ring can rotate by utilizing the reaction force of air flow in jet, the air flow surrounds and acts on molten spinning solution sprayed out from the jet hole, and the action of the air flow is more uniform;

3. the spinning solution box is of an inner-layer structure and an outer-layer structure, and airflow is introduced from the spinning solution box, so that the airflow can be heated by using heat emitted by the spinning solution, and the heat is fully utilized;

4. the inner wall of the liquid box of the spinning liquid box is communicated with the pressurizing inner cylinder, the outer part of the liquid box is communicated with the pressurizing outer cylinder, the pressurizing mechanism is arranged in the pressurizing inner cylinder, pressurization is realized in the air supply process, and the ratio of the pressurizing amount to the air supply amount is stable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of a jet-died disk of the present invention;

FIG. 4 is a partial cross-sectional view of the jet ring of the present invention;

FIG. 5 is a sectional view of the inner and outer pressing cylinders according to the present invention;

fig. 6 is a schematic structural view of the pressurizing mechanism and the air supply mechanism of the present invention.

In the figure: 1. a spinning solution box; 11. a liquid feeding pipe; 12. the outer wall of the liquid tank; 13. the inner wall of the liquid tank; 14. connecting blocks; 2. a spinning channel; 3. a gas supply channel; 4. an air supply mechanism; 41. a fan blade; 42. the upper half section; 5. an adjustment mechanism; 51. adjusting the bolt; 52. a locking bolt; 53. a telescopic rod; 6. a pressurizing mechanism; 61. a lower half section; 62. a top rod; 63. a piston; 64. a slider; 65. a return spring; 7. a wire spraying disc; 71. a spinneret orifice; 72. an air flow channel; 73. an air injection ring; 731. a gas injection hole; 8. a gas supply pipe; 81. a liquid supply tube; 9. a one-way valve; 91. a fixing ring; 92. sealing the disc; 93. a tension spring; 94. and (4) a bracket.

Detailed Description

Example 1

As shown in figures 1-6, a spinning device for spinning comprises a spinning solution tank 1 for temporarily storing a molten spinning solution, the spinning solution tank 1 comprises a liquid tank inner wall 13 and a liquid tank outer wall 12 which are fixedly connected through a connecting block 14, the bottom of the liquid tank inner wall 13 is communicated with a spinning disc 7 fixedly connected with the bottom end of the liquid supply pipe 81 through a liquid supply pipe 81, the bottom of the side surface of the spinning disc 7 is communicated with the liquid tank outer wall 12 through an air supply pipe 8, the top of the liquid tank inner wall 13 is communicated with a pressurizing inner cylinder, a pressurizing outer cylinder communicated with the liquid tank outer wall 12 is sleeved outside the pressurizing inner cylinder, an air supply mechanism 4 is arranged at the top of the pressurizing inner cylinder, the air supply mechanism 4 is connected with a pressurizing mechanism 6 through an adjusting mechanism 5, an air flow channel 72 is arranged at the side surface of the spinning disc 7, the air flow channel 72 extends into the spinning disc 7 and is communicated with the circular table-shaped channel where the spinning ring is located, the outer side surface of the spinning ring is attached to the side surface of the channel, the annular jet orifice 731 is arranged in an annular array in the jet orifice ring, and the jet orifice 731 is inclined to the horizontal plane.

When spinning, the melt spinning solution is conveyed into the spinning solution tank 1 through the liquid adding pipe 11, then the gas supply mechanism 4 supplies gas, the gas supply mechanism 4 adopts the fan blades 41 to rotate for supplying gas, the gas supply mechanism 4 is positioned in the pressurizing outer cylinder, meanwhile, the pressurizing mechanism 6 moves along with the pressurizing mechanism to apply certain pressure to the inside of the spinning solution tank 1, so that the melt spinning solution in the spinning solution tank 1 is sprayed out from the bottom of a spinneret hole 71 in a spinneret plate 7 under certain pressure and enters a spinning channel 2, the gas supply mechanism 4 and the spinning mechanism run under the same external driving motor, the ratio between the pressurizing amount and the gas supply amount can be determined according to the characteristics of the spinning solution through the gas supply mechanism 4 and the spinning mechanism connected by the adjusting mechanism 5, namely, after a certain amount of melt spinning solution is sprayed out from the bottom of the spinneret plate 7, the gas flow can act on the spinning solution in time to enable the spinning solution to be completely fiberized, and thus the continuous work, the fiber yarn with higher quality can be obtained;

an air flow channel 72 on the side surface of the spinning disc is communicated with an air supply pipe 8, air flow enters an air injection hole 731 on an air injection ring 73 through the air supply pipe 8, and due to the inclined arrangement of the air hole, reverse acting force is generated on the air injection ring 73 when the air flow is injected, so that the air injection ring 73 rotates by taking the axis of a spinneret hole 71 as a center, and the air flow can uniformly act on the circumferential side of spinning liquid injected from the spinneret hole 71;

set up spinning liquid case 1 into the mode that liquid incasement wall 13 and liquid case outer wall 12 are connected, the air current enters into between liquid section of thick bamboo inner wall and the liquid section of thick bamboo outer wall by the pressurization urceolus, heat and heat up under the excessive heat of spinning liquid dispersion, later enter into in the spinneret 7 between via air supply pipe 8 and feed pipe 81, act on the melting spinning liquid by the jet orifice 731 blowout, high-speed rotatory air current can make spinning liquid fibre degree higher, if air velocity is too fast, so that when the excessive heat of spinning liquid case 1 is not enough the intensive heating, need the electricity to assist the heating, can reduce the energy consumption.

Example 2

As shown in fig. 1-6, a spinning apparatus for spinning, wherein the air supply mechanism 4 includes a fan blade 41, the fan blade 41 is fixedly connected with a pressurizing shaft which is axially fixed and radially rotatably connected inside the pressurizing inner cylinder, the pressurizing shaft is relatively hermetically connected with the pressurizing inner cylinder, the fan blade 41 is located inside the pressurizing outer cylinder, the bottom end of the pressurizing shaft is fixedly connected with a top rod 62, the top rod 62 is abutted against a piston 63, the piston 63 is hermetically and slidably connected with the inside of the pressurizing inner cylinder, the top of the piston 63 is an inclined plane, the side surface of the piston 63 is fixedly connected with a slide block 64, the slide block 64 penetrates through a slide groove on the side surface of the pressurizing inner cylinder, the bottom of the piston 63 is connected with a bracket 94 which is fixed inside the pressurizing inner cylinder through a return spring 65, the bottom of the bracket 94 is connected with a sealing plate in the check valve 9 through a tension spring 93, and the upper side of the sealing plate is abutted against the bottom surface of a fixing ring 91 which is fixed on the bottom of the pressurizing inner cylinder.

When the air supply mechanism 4 is driven by an external driving motor to rotate, the fan blade 41 rotates, the pressurizing shaft rotates relative to the pressurizing inner cylinder, the fan blade 41 rotates to generate downward pressure, air flow enters the pressurizing outer cylinder to realize air supply, in the rotating process of the pressurizing outer cylinder, the bottom end of the pressurizing shaft is fixedly connected with a top plate to be abutted against the piston 63, the piston 63 is an inclined surface, when the top plate is abutted against the lower surface of the piston 63, the piston 63 is located at the highest point, the pressurizing cylinder part at the bottom of the piston 63 is communicated with the outside through a chute, when the top plate is abutted against the highest point of the piston 63, the piston 63 is located at the lowest point of the pressurizing inner cylinder and seals the chute, the piston 63 compresses air between the piston 63 and the check valve 9, the check valve 9 is opened, the air is sent into the spinning solution tank 1 to realize pressurization, the spinning solution is sprayed out from the spinneret hole 71 under certain pressure, and the return spring 65 connected with the bottom is a compression spring, the top plate moves upwards and depends on the elasticity of the return spring 65, and the bottom end of the return spring 65 is fixed with a bracket 94 fixedly connected with the inside of the pressurizing inner cylinder;

the check valve 9 is in a mode that the fixing ring 91 is attached to the sealing disc 92, when the piston 63 moves to the lowest point, the internal pressure of the pressurizing inner cylinder is greater than the internal pressure of the spinning solution box 1, so that air flow enters the spinning solution box 1, and after the pressure is balanced, the sealing disc 92 is attached to the fixing ring 91 under the action of the tension spring 93 to realize sealing;

the pressurizing shaft comprises an upper half section 42 fixedly connected with the fan blade 41 and a lower half section 61 fixedly connected with the top plate, the upper half section 42 is connected with the lower half section 61 through an expansion link 53, the adjusting mechanism 5 comprises an adjusting bolt 51 rotatably connected with the upper half section 42 of the pressurizing shaft and in threaded connection with the lower half section 61, the distance between the upper half section 42 and the lower half section 61 can be changed by rotating the adjusting bolt 51, namely, the length of the pressurizing shaft is changed, after the length of the pressurizing shaft is changed, the stroke of the piston 63 in the pressurizing inner cylinder is changed after the pressurizing shaft rotates, when the pressurizing shaft is shortened, the forming range moves upwards under the condition that the stroke distance of the piston 63 is not changed, namely, the distance between the bottom of the piston 63 and the chute is changed, under the condition that the displacement of the piston 63 is the same, the compressed air amount is reduced, on the contrary, under the condition that the pressurizing shaft is extended, the rotating speed of the fan blade 41 is not changed, the compressed amount is increased, the ratio of the air supply amount to the compression amount can be changed, the locking bolt 52 is screwed to the adjusting bolt 51, and when the locking bolt 52 is locked, the bottom end thereof abuts against the top end of the pressurizing shaft, so that the adjusting bolt 51 and the pressurizing shaft are relatively fixed.