CN219195229U

CN219195229U - Melt spinning machine driven by high-pressure gas as power

Info

Publication number: CN219195229U
Application number: CN202320468009.XU
Authority: CN
Inventors: 庞佑元
Original assignee: Sichuan Zhiyan Technology Co ltd
Current assignee: Sichuan Zhiyan Technology Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-06-16
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a melt spinning machine driven by high-pressure gas, which comprises a melting barrel, a charging barrel upper cover fixed at the top of the melting barrel, a sealing connector detachably connected between the melting barrel and the charging barrel upper cover, a valve gate arranged at the bottom of the melting barrel, a spinning assembly arranged at the bottom of a valve gate, a high-temperature gas outlet pipe, a high-pressure gas inlet pipe and a charging port which are arranged on the charging barrel upper cover and communicated with the interior of the melting barrel, and a valve rod assembly, wherein the upper sliding sealing sleeve is arranged on the charging barrel upper cover, and the lower part of the valve rod assembly is matched with the opening and the closing of the valve gate; a temperature measuring assembly is arranged in the valve rod assembly. Through the scheme, the utility model has the advantages of simple structure, high spinning efficiency, reliable connection and the like, and has high practical value and popularization value in the technical field of melt spinning.

Description

Melt spinning machine driven by high-pressure gas as power

Technical Field

The utility model relates to the technical field of melt spinning, in particular to a melt spinning machine driven by high-pressure gas as power.

Background

A spinning machine is a machine that forms a fiber-forming polymer solution or melt into filaments. Among them, spinning machines can be classified into three types of wet spinning machines, melt spinning machines, and dry spinning machines according to the fiber spinning method. At present, the melt spinning testing machine in the prior art mainly comprises a screw, a plunger and air pressure, wherein the screw and the plunger can generate high-pressure extrusion and can simulate the working condition of normal production, but the operation and the cleaning are complex, and the melt spinning testing machine is not suitable for laboratory samples. In addition, the pressure on the pneumatic substrate is low, and only single holes or a few holes can not be completely produced in a simulation mode or multi-hole spinning mode.

For example, "patent publication No.: CN107532335a, name: the chinese patent of utility model "method and apparatus for melt spinning and cooling multifilament yarns" comprises a plurality of tows being spun and individually cooled by a cooling air stream flowing radially from the outside to the inside. The cooling air flow is generated by a blower chamber that is connected to a pressure source. The exhaust gases present during the spinning process are discharged through a plurality of exhaust gas openings before the filament bundle cools. The air pressure in the blowing chamber is set such that the exhaust air in the area around the filament bundle is blown out from the inside to the outside through the exhaust air opening. For this purpose, the blower box is assigned a pressure control device for controlling the air pressure in the blower chamber, by means of which the air pressure for blowing off the exhaust gas at the exhaust gas opening of the connection piece can be controlled. The technology adopts a blowing mode, and the air pressure is extremely low.

Therefore, there is an urgent need to provide a melt spinning machine which is simple in structure and reliable in spinning and is driven by high-pressure gas as power.

Disclosure of Invention

The utility model aims to provide a melt spinning machine driven by high-pressure gas as power, which adopts the following technical scheme:

a melt spinning machine driven by high-pressure gas comprises a melting barrel, a barrel upper cover fixed on the top of the melting barrel, a sealing connector detachably connected between the melting barrel and the barrel upper cover, a valve gate arranged at the bottom of the melting barrel, a spinning assembly arranged at the bottom of a valve gate, a high-temperature gas outlet pipe, a high-pressure gas inlet pipe and a feeding hole which are arranged on the barrel upper cover and communicated with the interior of the melting barrel, and a valve rod assembly with the upper sliding sealing sleeve arranged on the barrel upper cover and the lower part matched with the opening and the closing of the valve gate; a temperature measuring assembly is arranged in the valve rod assembly.

Further, a plurality of sealing rings are arranged in the upper cover of the charging barrel; the sealing ring is sleeved on the valve rod assembly.

Further, a valve sealing press cap is arranged on the upper cover of the charging barrel; the valve sealing press cap is sleeved on the valve rod assembly.

Further, an upper end cover is arranged at the top of the melting barrel; the sealing connector comprises a fastening ring which is annularly wrapped on the upper end cover and the upper cover of the charging barrel, a base plate which is arranged on the upper part of the inner wall of the fastening ring, and a safety ring which is annularly wrapped on the outer side of the fastening ring; the fastening ring is provided with a plurality of fastening screws; the fastening screw presses the upper cover of the charging barrel onto the upper end cover.

Further, an upper gasket is arranged between the upper end cover and the upper cover of the charging barrel.

Preferably, the fastening ring is of a segmented structure.

Further, the valve rod assembly comprises a valve rod with the upper part of the valve rod being sleeved on the upper cover of the charging barrel in a sliding manner, and a temperature measuring hole arranged in the valve rod.

Further, the valve includes a barrel head disposed at a bottom of the melt barrel, a tapered slot disposed in the barrel head, and a valve cone mated with the tapered slot and disposed at a bottom of the valve stem assembly.

Further, the spinning assembly comprises a spinning shell arranged at the bottom of the valve, a filter screen, a distribution plate and a spinneret plate which are sequentially arranged in the spinning shell from top to bottom, and a compression ring arranged at the bottom of the spinneret plate.

Further, a plurality of distributing holes are uniformly formed in the distribution plate in an annular shape; the spinneret plate is provided with a plurality of conical spinneret orifices.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model skillfully adopts the melt barrel, the high-temperature gas outlet pipe and the high-pressure gas inlet pipe, and adopts high-pressure gas for spinning, thereby thoroughly solving the problems of insufficient extrusion pressure of the screw melt, incapability of more porous filament outlet and influence on the quality of fibers, and has small volume and reliable spinning. In addition, the utility model can melt the raw materials by adopting high-pressure gas, which reduces heating components.

(2) The utility model skillfully sets the valve rod assembly and the valve to facilitate the opening and closing of spinning, and after the raw materials are uniformly stirred, the valve is closed to facilitate the vacuumizing, thereby solving the problem of vacuum defoamation and improving the quality of fiber spinning.

(3) The utility model ensures the reliable connection of the melting barrel and the upper cover of the charging barrel by arranging the sectional fastening ring, the upper gasket, the backing plate and the safety ring, thereby solving the telescopic connection problem caused by temperature change.

(4) According to the utility model, through arranging a plurality of material distributing holes and conical spinneret holes, porous spinning is realized, and the spinning efficiency is improved under the action of high-pressure gas.

In conclusion, the utility model has the advantages of simple structure, high spinning efficiency, reliable connection and the like, and has high practical value and popularization value in the technical field of melt spinning.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings to be used in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope of protection, and other related drawings may be obtained according to these drawings without the need of inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a first angle structure of the present utility model.

Fig. 2 is a schematic view of a second angle structure of the present utility model.

Fig. 3 is a first partial enlarged schematic view of the present utility model.

Fig. 4 is a second enlarged partial schematic view of the present utility model.

Fig. 5 is a schematic structural view of the distribution plate of the present utility model.

Fig. 6 is a schematic structural view of the spinneret plate of the present utility model.

In the above figures, the reference numerals correspond to the component names as follows:

1. a melt barrel; 2. a feed cylinder upper cover; 3. sealing the connector; 4. a high temperature gas outlet pipe; 5. a high pressure gas inlet pipe; 6. a feed port; 7. a valve stem assembly; 8. a valve; 9. a spinning assembly; 11. an upper end cap; 21. sealing and pressing the cap of the valve; 22. a seal ring; 31. an upper gasket; 32. a fastening ring; 33. a backing plate; 34. a safety ring; 71. a valve stem; 72. a temperature measuring hole; 73. a valve cone; 81. a charging barrel end; 82. a tapered slot; 91. a spin coating housing; 92. a filter screen; 93. a distribution plate; 94. a spinneret plate; 95. a compression ring; 931. a material distributing hole; 941. conical spinneret orifices.

Detailed Description

For the purposes, technical solutions and advantages of the present application, the present utility model will be further described with reference to the accompanying drawings and examples, and embodiments of the present utility model include, but are not limited to, the following examples. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

Examples

In this embodiment, the term "and/or" is merely an association relationship describing the association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone.

The terms first and second and the like in the description and in the claims of the present embodiment are used for distinguishing between different objects and not for describing a particular sequential order of objects. For example, the first target object and the second target object, etc., are used to distinguish between different target objects, and are not used to describe a particular order of target objects.

In the embodiments of the present application, words such as "exemplary" or "such as" are used to mean serving as examples, illustrations, or descriptions. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more. For example, the plurality of processing units refers to two or more processing units; the plurality of systems means two or more systems.

As shown in fig. 1 to 6, the present embodiment provides a melt spinning machine driven by high-pressure gas as power, which solves the problems of large volume, small extrusion pressure and the like of the screw extrusion spinning machine in the prior art, which results in the failure of more porous filament discharge and the influence on the quality of fibers.

In this embodiment, the melt spinning apparatus includes a melt cartridge 1, a cartridge upper cover 2 fixed to the top of the melt cartridge 1, a valve 8 provided at the bottom of the melt cartridge 1, a spinning nozzle 9 provided at the bottom of the valve 8, a high temperature gas outlet pipe 4 provided on the cartridge upper cover 2 and communicating with the interior of the melt cartridge 1, a high pressure gas inlet pipe 5 and a feed port 6, and a valve rod assembly 7 provided on the cartridge upper cover 2 with an upper sliding seal cartridge and having a lower portion opening and closing matched with the valve 8. Wherein, be provided with a temperature measurement hole 72 along the length direction of valve rod assembly 7, can lay the temperature measurement subassembly in temperature measurement hole 72 to detect the temperature in the melt section of thick bamboo 1. The upper part of the valve rod assembly 7 is a valve rod 71, and the sliding sleeve of the valve rod assembly is sleeved on the upper cover 2 of the charging barrel.

In this embodiment, the valve rod assembly 7 needs to move up and down to realize opening and closing of the valve, in order to ensure reliable sealing, a plurality of sealing rings 22 are arranged in the upper cover 2 of the material cylinder, and a valve sealing press cap 21 is arranged on the upper cover 2 of the material cylinder. Wherein the sealing ring 22 and the valve sealing press cap 21 are sleeved on the valve rod assembly 7. The seal ring 22 is movable to slide the seal when the valve stem assembly 7 slides up and down.

In this embodiment, high-pressure gas is used for spinning, so that there is a certain expansion with heat and contraction with cold of the melt cartridge 1 and the cartridge upper cover 2, and therefore, a sealing connector 3 is provided between the melt cartridge 1 and the cartridge upper cover 2. In this embodiment, an upper end cap 11 is provided on top of the melt cartridge 1. The sealing joint 3 then comprises an upper gasket 31 provided between the upper end cap 11 and the cartridge upper cover 2, a fastening ring 32 annularly wrapped around the upper end cap 11 and the cartridge upper cover 2, a backing plate 33 provided on the upper portion of the inner wall of the fastening ring 32, and a safety ring 34 annularly wrapped around the outside of the fastening ring 32. Wherein, a plurality of fastening screws are arranged on the fastening ring 32, and the fastening screws press the upper cover 2 of the charging barrel to the upper end cover 11. The fastening ring 32 of this embodiment adopts a sectional structure to eliminate the connection effect of thermal expansion and cold contraction of the melt cartridge 1 and the cartridge cover 2.

As shown in fig. 4, the valve gate 8 of this embodiment includes a barrel head 81 disposed at the bottom of the melt barrel 1, a tapered slot 82 disposed within the barrel head 81, and a valve cone 73 mated with the tapered slot 82 and disposed at the bottom of the valve stem assembly 7. Wherein the valve rod 71 moves upward, and a space for opening the valve is formed between the tapered slot 82 and the valve cone 73. During the raw material feeding, melting and vacuumizing stages, the valve cone 73 is pressed against the conical slotted hole 82, and the valve is closed.

In this embodiment, in order to achieve porous spinning, the spinning pack 9 includes a spinning housing 91 disposed at the bottom of the valve 8, a filter screen 92, a distribution plate 93 and a spinneret 94 disposed in the spinning housing 91 in this order from top to bottom, and a pressing ring 95 disposed at the bottom of the spinneret 94. Wherein, a plurality of distributing holes 931 are uniformly formed on the distributing plate 93 in a ring shape, and a plurality of conical spinneret holes 941 are formed on the spinneret plate 94. Under the action of high-pressure gas, the materials are evenly distributed by the distributing holes 931 and then are sprayed out by the plurality of conical spinneret holes 941, so that spinning is realized.

The spinning process of this example is briefly described below:

firstly, covering the cleaned melting barrel 1 on a barrel upper cover 2, and connecting a sealing connector 3;

then, the valve stem assembly 7 is pushed to the bottom of the melt cartridge 1 and the valve gate 8 is closed;

weighing raw materials, and adding weighing ingredients into the raw materials by using a feed inlet 6 to obtain spinning raw materials;

heating the melting barrel 1, and introducing inert gas from a high-pressure gas inlet pipe 5;

closing the high-pressure gas inlet pipe 5, and vacuumizing by using the high-temperature gas outlet pipe 4 when the temperature rises to the spinning temperature after the melting point;

closing the high-temperature gas outlet pipe 4, and filling high-pressure gas by using the high-pressure gas inlet pipe 5;

the valve 8 is opened and spinning is performed.

The above embodiments are only preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, but all changes made by adopting the design principle of the present utility model and performing non-creative work on the basis thereof shall fall within the scope of the present utility model.

Claims

1. A melt spinning machine driven by high-pressure gas, which is characterized by comprising a melt barrel (1), a barrel upper cover (2) fixed at the top of the melt barrel (1), a sealing connector (3) detachably connected between the melt barrel (1) and the barrel upper cover (2), a valve gate (8) arranged at the bottom of the melt barrel (1), a spinning assembly (9) arranged at the bottom of the valve gate (8), a high-temperature gas outlet pipe (4), a high-pressure gas inlet pipe (5) and a feed port (6) which are arranged on the barrel upper cover (2) and are communicated with the interior of the melt barrel (1), and a valve rod assembly (7) with an upper sliding seal sleeve arranged on the barrel upper cover (2) and a lower part matched with the valve gate (8) in an opening and closing manner; a temperature measuring component is arranged in the valve rod component (7).

2. A melt spinning machine driven by high-pressure gas as power according to claim 1, characterized in that a plurality of sealing rings (22) are arranged in the upper cover (2) of the material cylinder; the sealing ring (22) is sleeved on the valve rod assembly (7).

3. Melt-spinning machine driven by high-pressure gas as in claim 1 or 2, characterized in that the upper cover (2) of the cylinder is provided with a valve sealing press cap (21); the valve sealing press cap (21) is sleeved on the valve rod assembly (7).

4. A high pressure gas powered melt spinning machine according to claim 1, wherein the top of the melt barrel (1) is provided with an upper end cap (11); the sealing connector (3) comprises a fastening ring (32) which is annularly wrapped on the upper end cover (11) and the upper cylinder cover (2), a backing plate (33) which is arranged on the upper part of the inner wall of the fastening ring (32), and a safety ring (34) which is annularly wrapped on the outer side of the fastening ring (32); a plurality of fastening screws are arranged on the fastening ring (32); the fastening screw presses the upper cover (2) of the charging barrel on the upper end cover (11).

5. A high pressure gas powered melt spinning machine according to claim 4, wherein an upper gasket (31) is provided between the upper end cap (11) and the upper barrel cap (2).

6. A high pressure gas powered melt spinning machine as claimed in claim 4, wherein said fastening ring (32) is of segmented construction.

7. A high pressure gas powered melt spinning machine according to claim 1, characterized in that the valve stem assembly (7) comprises a valve stem (71) with an upper sliding gland on the upper barrel cap (2), and a temperature measuring orifice (72) provided in the valve stem (71).

8. A high pressure gas powered melt spinning machine according to claim 1 or 7, wherein the valve gate (8) comprises a barrel head (81) provided at the bottom of the melt barrel (1), a conical slot (82) provided in the barrel head (81), and a valve cone (73) matching the conical slot (82) and placed at the bottom of the valve stem assembly (7).

9. A high pressure gas powered melt spinning machine according to claim 1, wherein the spinning pack (9) comprises a spinning housing (91) provided at the bottom of the valve (8), a screen (92), a distribution plate (93) and a spinneret plate (94) provided in the spinning housing (91) in this order from top to bottom, and a compression ring (95) provided at the bottom of the spinneret plate (94).

10. The melt spinning machine driven by high-pressure gas as power according to claim 9, wherein a plurality of distributing holes (931) are uniformly formed on the distributing plate (93) in a ring shape; the spinneret plate (94) is provided with a plurality of conical spinneret holes (941).