CN111560658A

CN111560658A - Spinning equipment for producing nylon filaments

Info

Publication number: CN111560658A
Application number: CN202010455199.2A
Authority: CN
Inventors: 宣磊
Original assignee: Wuxi Jiacheng Fibers Co ltd
Current assignee: Wuxi Jiacheng Fibers Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-08-21

Abstract

The invention discloses spinning equipment for nylon filament production, which belongs to the field of spinning production equipment, and adopts the technical scheme that the spinning equipment comprises a case body, wherein the case body is rotatably connected with a plurality of drawing rollers, the drawing rollers are divided into an upper row and a lower row and are arranged at intervals, cavities for containing heat-conducting liquid are formed in the drawing rollers, a servo motor for providing power for the drawing rollers is installed on the case body, and a heating box for providing the heat-conducting liquid for the drawing rollers is installed on the case body.

Description

Spinning equipment for producing nylon filaments

Technical Field

The invention relates to the field of spinning production equipment, in particular to spinning equipment for producing nylon filaments.

Background

With the rapid development of economy and industry, the living standard of people is increasingly improved, the requirements on textile clothes are higher and higher, the textile clothes are attractive, comfortable and durable, and therefore the textile materials have higher performance requirements. The polyamide is mainly used for synthetic fibers, has the most outstanding advantage that the wear resistance is higher than that of all other fibers, is 10 times higher than that of cotton and 20 times higher than that of wool, and can greatly improve the wear resistance of the blended fabric by slightly adding some polyamide fibers; when the stretch is extended to 3-6%, the elastic recovery rate can reach 100%; can withstand ten thousand times of bending without breaking.

The existing nylon production process comprises the following steps: firstly, raw material slices are fed into a screw extruder to be heated and melted, then melt enters a spinning box to be preliminarily formed into filaments, then the filaments are subjected to air cooling through a cooling channel, and finally the filaments are subjected to drafting winding to finish the production of the filaments. The drafting process of spinning is also called as secondary forming, the aggregation structure units of the spinning are stretched and arranged along the fiber axis in an oriented mode to achieve the purpose of strengthening the spinning structure, the spinning is thinner and thinner along with higher and higher requirements on the spinning quality, the existing spinning equipment cannot meet the requirements of drafting, and the yarn breakage condition often occurs.

Disclosure of Invention

The invention aims to provide spinning equipment for producing nylon filaments, which has the advantages that a brand-new drafting structure is designed to improve the drafting strengthening effect, improve the spinning quality and reduce the filament breakage.

The technical purpose of the invention is realized by the following technical scheme:

the spinning equipment for producing the nylon filaments comprises a case body, wherein the case body is rotatably connected with a plurality of drawing rollers, the drawing rollers are divided into an upper row and a lower row and are arranged at intervals, cavities for containing heat-conducting liquid are formed in the drawing rollers, a servo motor for providing power for the drawing rollers is installed on the case body, and a heating box for providing the heat-conducting liquid for the drawing rollers is installed on the case body.

Further, the number of the drafting rollers is 7, the number of the upper drafting rollers is three, and the number of the lower drafting rollers is four.

Further, the end cover that the draft roller was towards quick-witted case body is equipped with the bearing, the lateral surface cover of bearing is equipped with the stopping cover, the bearing supports with the stopping cover, through bolt fixedly connected with rear end cap on the stopping cover, be provided with sealed the pad between the stopping cover.

Furthermore, the end face of the drafting roller far away from the case body is detachably connected with a sealing plate through a bolt.

Further, an inner ring and an outer ring are sleeved on the drawing roller, the outer ring is close to the bearing, and the inner ring is close to the sealing plate.

Further, the internally mounted of heating cabinet has the heating pipe, the shell of heating cabinet is equipped with the feeding and connects, the feeding connects through pipeline and draft roller intercommunication, the feeding connects and is connected with the distributing pipe of a plurality of snakelike settings, distributing pipe and heating pipe intercommunication.

Furthermore, a circulating pump for providing circulating power of the heat-conducting liquid is arranged on the shell of the heating box.

Further, a liquid discharge groove is arranged on the case body and is positioned below the drawing roller.

Furthermore, a liquid discharge pipe is arranged at the bottom of the liquid discharge groove.

In conclusion, the invention has the following beneficial effects:

1. the spinning is drafted for six times by seven drafting rollers, so that the orientation degree of the spinning is further improved, the structural strength of the spinning is enhanced, and the condition of yarn breakage is reduced;

2. the drafting rollers are filled with the recyclable heat conducting liquid, so that the heat distribution of the drafting rollers is uniform, and the spinning is uniformly heated, thereby having good heat setting effect.

Drawings

FIG. 1 is a schematic front view of a spinning apparatus for the production of nylon filaments;

FIG. 2 is a schematic top view of a spinning apparatus for the production of nylon filaments;

FIG. 3 is a schematic side view of a spinning apparatus for the production of nylon filaments;

FIG. 4 is a schematic view of the structure of the draft roller;

fig. 5 is a schematic view of the structure of the heating box.

In the figure, 1, a chassis body; 11. a servo motor; 12. a gear case; 13. a metal hose; 14. a drawing roller; 141. an inner ring; 142. an outer ring; 143. a bearing; 144. a withdrawal stopping sleeve; 145. a sealing plate; 15. a rear end cap; 151. a gasket; 17. a liquid discharge tank; 171. a liquid discharge pipe; 18. a pipeline; 2. a heating box; 21. heating a tube; 211. a distribution pipe; 22. a feed connection; 23. and a circulating pump.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): a spinning device for nylon filament production is shown in figure 1 and comprises a machine case body 1, wherein a plurality of drafting rollers 14 are arranged on the machine case body 1 in a rotating mode, the drafting rollers 14 are horizontally arranged, and the drafting rollers 14 are mainly used for carrying out stretching strengthening on spinning.

Referring to fig. 2 and 3, a plurality of pairs of metal hoses 13 and two metal hoses 13 are mounted on the side surface of the cabinet body 1, wherein one metal hose is used for feeding liquid, and the other metal hose is used for discharging liquid.

As shown in fig. 1, there are 7 drafting rollers 14, three upper drafting rollers 14, four lower drafting rollers 14, and the upper and lower drafting rollers 14 are arranged at intervals, so that the spinning passes through between the drafting rollers 14 in a W shape, the spinning speed is 150m/min, and the total drafting multiple is 4 times.

As shown in fig. 2 and 4, the drafting roller 14 is hollow, the inside of the chassis body 1 is communicated with the drafting roller 14, and a cavity inside the drafting roller 14 is mainly used for containing a heat conducting liquid. The end part of the drafting roller 14 facing the chassis body 1 is sleeved with a bearing 143, the outer side surface of the bearing 143 is sleeved with a backstop sleeve 144, the bearing 143 abuts against the backstop sleeve 144, the backstop sleeve 144 is fixedly connected with a rear end cover 15 through a bolt, a sealing gasket 151 is arranged between the backstop sleeves 144, gaps are reduced, and sealing performance is improved. The end of the drawing roller 14 facing the cabinet body 1 is provided with a pipe 18 for liquid inlet and outlet, and the pipe 18 is connected with the metal hose 13 through a flange.

As shown in fig. 4, a sealing plate 145 is detachably connected to an end surface of the draft roller 14 away from the cabinet body 1 by bolts arranged in a uniform circumferential manner. When the drafting device works, the sealing plate 145 tightly seals the drafting roller 14 to prevent the heat-conducting liquid from flowing out; when performing equipment maintenance, a worker can open the sealing plate 145 to maintain the inner cavity of the draft roller 14.

As shown in fig. 4, the draft roller 14 is provided with an inner ring 141 and an outer ring 142, the outer ring 142 is close to the bearing 143, and the inner ring 141 is close to the sealing plate 145.

Referring to fig. 1 and 5, a heating box 2 for providing heat-conducting liquid to the drawing roller 14 is installed on the chassis body 1, a heating pipe 21 is installed inside the heating box 2, a feeding connector 22 is installed on a shell of the heating box 2, the feeding connector 22 is connected with a metal hose 13, a plurality of distributing pipes 211 which are arranged in a snake shape are connected to the feeding connector 22, and the distributing pipes 211 are communicated with the heating pipe 21 to form a complete circulation loop. During operation, the heat transfer fluid can flow back to the heating pipe 21 in the heating box 2, and the heating box 2 can heat the heat transfer fluid again by selecting a steam heating or water bath heating mode.

As shown in fig. 1 and 5, a circulation pump 23 for providing a heat transfer fluid circulation power is installed on the housing of the heating tank 2, and the circulation pump 23 is connected to the metal hose 13.

Referring to fig. 2 and 3, a servo motor 11 for providing power to the drawing roller 14 is mounted on the cabinet body 1, and a gear box 12 is disposed between the servo motor 11 and the cabinet body 1.

As shown in fig. 2 and 3, a liquid discharge tank 17 is installed on the machine case body 1, the liquid discharge tank 17 is located below the drawing roller 14, a liquid discharge pipe 171 is disposed at the bottom of the liquid discharge tank 17, and when equipment maintenance or liquid leakage occurs in the drawing roller 14, the heat conduction liquid falls into the liquid discharge tank 17 and is then discharged from the liquid discharge pipe 171.

The specific implementation process comprises the following steps: the raw materials of the slices are firstly melted in a screw extruder, then the melt enters a spinning box for forming, then spinning is sequentially carried out by a drafting roller 14, the tows are slowly tensioned, and when the tension reaches the yield stress of the fibers, thin necks appear, and the heat setting strengthening process of the spinning is completed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A spinning equipment for nylon filament production which characterized in that: including quick-witted case body (1), quick-witted case body (1) rotates and is connected with a plurality of draft rollers (14), and two rows about draft roller (14) divide into and be interval arrangement, open the inside of draft roller (14) has the cavity that is used for holding heat-conducting liquid, install servo motor (11) that provide power to draft roller (14) on quick-witted case body (1), install on quick-witted case body (1) and provide heating cabinet (2) of heat-conducting liquid to draft roller (14).

2. A spinning apparatus for nylon filament production according to claim 1, characterized in that: the number of the drafting rollers (14) is 7, the number of the upper drafting rollers (14) is three, and the number of the lower drafting rollers (14) is four.

3. Spinning equipment for nylon filament production according to claim 2, characterized in that: end cover that draft roller (14) were equipped with bearing (143) towards quick-witted case body (1), the lateral surface cover of bearing (143) is equipped with and ends back cover (144), bearing (143) offsets with end back cover (144), end back cover (144) are gone up through bolt fixedly connected with rear end cover (15), be provided with sealed pad (151) between end back cover (144).

4. A spinning apparatus for nylon filament production according to claim 3, characterized in that: the end face, far away from the case body (1), of the drafting roller (14) is detachably connected with a sealing plate (145) through a bolt.

5. A spinning apparatus for nylon filament production according to claim 4, characterized in that: an inner ring (141) and an outer ring (142) are sleeved on the drafting roller (14), the outer ring (142) is close to the bearing (143), and the inner ring (141) is close to the sealing plate (145).

6. A spinning apparatus for nylon filament production according to claim 1, characterized in that: the internally mounted of heating cabinet (2) has heating pipe (21), the shell of heating cabinet (2) is equipped with feed connector (22), feed connector (22) communicate through pipeline and draft roller (14), be connected with distribution pipe (211) of a plurality of snakelike settings on feed connector (22), distribution pipe (211) and heating pipe (21) intercommunication.

7. A spinning apparatus for nylon filament production according to claim 1, characterized in that: and a circulating pump (23) for providing circulating power of the heat-conducting liquid is arranged on the shell of the heating box (2).

8. A spinning apparatus for nylon filament production according to claim 1, characterized in that: a liquid discharge groove (17) is installed on the case body (1), and the liquid discharge groove (17) is located below the drawing roller (14).

9. A spinning apparatus for nylon filament production according to claim 8, characterized in that: a liquid discharge pipe (171) is arranged at the bottom of the liquid discharge groove (17).