CN210711833U - But spinneret of precooling - Google Patents

Abstract

The utility model relates to a fibre production facility field, more specifically says, it relates to a spinneret that can precool, including spinneret body, boss, guiding gutter and spinneret orifice, the spinneret body is flat cylinder, spinneret body upper surface is connected with the boss, it is a plurality of to inwards cave in on the boss the guiding gutter, the sunken degree of depth of guiding gutter is less than the boss height, a plurality of spinneret orifices of evenly distributed in the guiding gutter, the spinneret orifice runs through the boss with the spinneret theme, its characterized in that: the spinneret orifice also comprises a feeding surface, a trapezoidal feed inlet, a spinneret channel, a support plate, a discharge port and a discharge surface, the problem that a solution in a high-temperature melting state is suddenly cooled and blocked at the spinneret orifice is solved, and the tensile property of the fiber tows is improved.

Description

But spinneret of precooling

Technical Field

The utility model relates to a fibre production facility field, more specifically say, it relates to a spinneret that can precool.

Background

With the development of chemical technology, the synthetic fiber technology is increasingly perfect, and the synthetic fiber has the advantages of good elasticity, high abrasion degree, strong corrosion resistance and long service life, and meets the requirements of modern people. In the processing process of synthetic fibers, the proportioned stock solution which is at high temperature and in a molten state is extruded through spinneret micropores on a spinneret plate, the volatilized heat is taken away by air through medium air, and the high-temperature raw materials are solidified and formed to form fiber bundles. However, the medium air is adopted for solidification to form the filament bundle, the requirement on air temperature difference is high, the phenomenon that raw materials are solidified and accumulated at a filament spraying port often occurs, the tiny filament spraying port is blocked, the cleaning is inconvenient, the suddenly cooled fiber bundle is poor in flexibility, the filament breakage phenomenon easily occurs, and the market requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a but spinneret of precooling has solved the problem of the abrupt cooling jam of solution under the high temperature molten state at the spinneret, and has the tensile properties of improvement fibre silk bundle.

In order to achieve the above purpose, the utility model provides a following technical scheme: the spinneret plate capable of being pre-cooled comprises a spinneret plate body, a boss, a flow guide groove and spinneret orifices, wherein the spinneret plate body is a flat cylinder, the boss is connected to the upper surface of the spinneret plate body, the boss is internally provided with a plurality of flow guide grooves in a concave manner, the concave depth of the flow guide groove is smaller than the height of the boss, the spinneret orifices are uniformly distributed in the flow guide grooves, and the spinneret orifices penetrate through the boss and the spinneret plate body, and the spinneret plate is characterized in that: the spinneret orifice further comprises a feeding surface, a trapezoidal feed port, a spinneret channel, a support plate, a discharge port and a discharge surface, wherein the larger side of an opening of the trapezoidal feed port is connected with the feeding surface, the other side of the opening of the trapezoidal feed port is connected with the spinneret channel, one end of the discharge port penetrates through the support plate and is connected with the discharge surface, the other end of the discharge port is connected with the spinneret channel, and the spinneret channel is in a threaded tubular shape.

Furthermore, a locking spring is connected between the supporting plate and the spinning channel, and the end part of the locking spring is higher at one side and lower at the other side.

Preferably, both sides of the top end of the locking spring are arc-shaped.

Furthermore, a sealing ring is arranged between the upper surface of the spinneret plate body and the lower surface of the boss.

Furthermore, a precooling liquid is filled between the adjacent spinneret orifices.

Preferably, a sealed vacuum state is formed among the trapezoidal feed inlet, the spinning channel and the support plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. sunken guiding gutter can be more abundant guide stoste enter into and spout the mouth, through the setting of the trapezoidal feed inlet of falling and screw pipeline, under the stoste prerequisite under holding more molten state, increase its flow path, can volatilize more heats.

2. The thread-shaped spinning channel can be fastened by the locking spring, the fixing of the thread-shaped spinning channel and the supporting plate is enhanced, and the thread-shaped channel can be more stable due to the arrangement of the locking spring in a high-low mode.

3. The two sides of the top end of the locking spring are arc-shaped, the arc-shaped locking spring is in contact with a spinning channel made of glass, the arc-shaped locking spring increases the contact area of the arc-shaped locking spring, and the service life of the spinning channel is prolonged.

4. The sealing ring is arranged, so that a better sealing effect can be formed when the spinneret plate body and the spinneret assembly are mutually extruded.

5. Through the setting of precooling liquid, further cool down the stoste under the molten condition, prevent the sudden solidification phenomenon.

6. Under the vacuum state, the phenomenon that the precooling liquid directly contacts with a glass spinning channel, the internal temperature is high, the external temperature is low, and the aging of the spinning channel is accelerated is prevented.

The total effect is as follows: the utility model provides a spinneret that can precool, through the overall arrangement design and the structure setting of threaded pipeline, vacuum layer and precooling liquid, improved the homogeneity of cooling fibre bundle, improved the cooling effect, avoided spouting suddenly refrigerated problem from the discharge gate from the stoste under the high temperature state, improved the tensile properties of fibre silk bundle, also avoided the silk bundle cooling to solidify at the spinneret, caused the phenomenon of spinneret jam.

Drawings

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

FIG. 2 is a front view of the present invention;

fig. 3 is a sectional view of the present invention.

In the figure: 1 spinneret plate body, 2 bosses, 3 diversion trenches, 4 spinneret orifices, 41 feeding surfaces, 42 trapezoidal feed inlets, 43 spinneret channels, 44 support plates, 45 discharge ports, 46 discharge surfaces, 5 sealing rings, 6 locking springs and 7 precooling liquid.

Detailed Description

A spinneret plate assembly embodiment of the present invention capable of pre-cooling will be further described with reference to fig. 1 to 3.

A spinneret plate capable of being pre-cooled is shown in figure 1 or figure 2 and comprises a spinneret plate body 1, a boss 2, flow guide grooves 3 and spinneret orifices 4, wherein the spinneret plate body 1 is a flat cylinder, the boss 2 is coaxially connected to the upper surface of the spinneret plate body 1, the boss 2 and the spinneret plate body 1 are integrally formed, a plurality of inward-recessed flow guide grooves 3 are parallelly arranged on the surface of the boss 2, the recessed depth of the flow guide grooves 3 is smaller than the height of the boss 2, a plurality of spinneret orifices 4 are sequentially distributed in the flow guide grooves 3 at intervals, the spinneret orifices 4 penetrate through the boss 2 and the spinneret plate body 1, a sealing ring 5 is connected between the upper surface of the spinneret plate body 1 and the lower surface of the boss 2, and when the spinneret plate is installed, the spinneret plate and a spinneret component are.

As shown in fig. 3, a plurality of flow guide grooves 3 are symmetrically arranged on the surface of the boss 2 in parallel, a plurality of spinneret orifices 4 are sequentially distributed on the flow guide grooves 3, wherein the flow guide grooves 3 are respectively a feeding surface 41, a trapezoidal feed port 42, a spinneret passage 43, a support plate 44, a discharge port 45 and a discharge surface 46 from top to bottom, the trapezoidal feed port 42 is inversely arranged on the feeding surface 41, one side with a larger opening is connected with the feeding surface 41, the other side is connected with the spinneret passage 43, the spinneret passage 43 is a threaded passage, and the purpose of the spinneret passage is to prolong the raw liquid stroke path in a molten state, so that the purpose of gradually reducing the temperature is achieved, the tensile property of the fiber is prevented from being affected by sudden cooling, and the quality. The lower surface of the spinning channel 43 is connected with a discharge port 45, the discharge port 45 penetrates through the supporting plate 44 and is connected with the inner surface of a discharge surface 46, and preferably, the trapezoidal feed port 42, the spinning channel 43 and the discharge port 45 are integrally formed to achieve the best effect. In order to guarantee the stability of the spinning channel 43, a locking spring 6 is connected between the support plate 44 and the spinning channel 43 in a thread pipeline shape, the upper end of the locking spring 6 is arc-shaped, the arc-shaped ends of the two sides are high at one side, and the other side is arranged lower, so that the stability of the spinning channel 43 can be further guaranteed, and the service life of the spinning hole 4 in the spinneret plate is prolonged. In order to improve the stability of the whole spinning nozzle, the trapezoidal feed opening 42, the spinning channel 43, the locking spring 6 and the supporting plate 44 form a vacuum state. In order to achieve the effect of further pre-cooling, the pre-cooling liquid 7 is filled between the feeding surface 41 and the supporting plate 44, and the medium of the pre-cooling liquid 7 may be distilled water.

The working principle is as follows: the spandex or the spandex stock solution in the molten state flows into a spinning nozzle in the diversion trench 3, the stock solution enters a trapezoidal feed port 42 on the feeding surface 41, the trapezoidal feed port 42 is wide at the top and narrow at the bottom, a thread spinning channel 43 of the trapezoidal feed port can contain more stock solution, the stock solution in the high-temperature state transfers the temperature to a vacuum environment through a thread channel made of a glass tube material, further pre-cooling liquid 7 outside the vacuum absorbs heat, the temperature of the stock solution in the molten state is reduced, the uniformity of a cooling fiber bundle is improved through the layout design and the structure arrangement of the thread channel, the vacuum layer and the pre-cooling liquid 7, the cooling effect is improved, the problem that the stock solution in the high-temperature state is suddenly cooled by being sprayed out from a discharge port 45 is solved, the tensile property of the fiber bundle is improved, and the phenomenon that the spinning nozzle is blocked due to the solidification of the cooling fiber bundle is also avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a spinneret that can precool, includes spinneret body (1), boss (2), guiding gutter (3) and spinneret orifice (4), spinneret body (1) is flat cylinder, spinneret body (1) upper surface is connected with boss (2), inwards sunken a plurality of on boss (2) guiding gutter (3), the sunken degree of depth of guiding gutter (3) is less than boss (2) height, evenly distributed a plurality of spinneret orifice (4) in guiding gutter (3), spinneret orifice (4) run through boss (2) with spinneret body (1), its characterized in that: spinneret orifice (4) still include charge level (41), trapezoidal feed inlet (42), spout a passageway (43), backup pad (44), discharge gate (45) and play charge level (46), the great one side of trapezoidal feed inlet (42) opening with charge level (41) are connected, and the opposite side is connected with spouting a passageway (43), discharge gate (45) one end is run through backup pad (44) with it is connected to go out charge level (46), the other end with spout a passageway (43) and connect, it is the screw thread tubulose to spout a passageway (43).

2. A pre-coolable spinneret according to claim 1, wherein: and a locking spring (6) is connected between the support plate (44) and the spinning channel (43), and the end part of the locking spring (6) is higher at one side and lower at the other side.

3. A pre-coolable spinneret according to claim 2, wherein: the two sides of the top end of the locking spring (6) are arc-shaped.

4. A pre-coolable spinneret according to claim 1, wherein: and a sealing ring (5) is arranged between the upper surface of the spinneret plate body (1) and the lower surface of the boss (2).

5. A pre-coolable spinneret according to claim 1, wherein: and a pre-cooling liquid (7) is filled between adjacent spinning nozzles.

6. A pre-coolable spinneret according to claim 1, wherein: and a sealed vacuum state is formed among the trapezoidal feed inlet (42), the spinning channel (43) and the supporting plate (44).

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