JPH0726411A - Spinneret pack and method for disassembling the same - Google Patents

Abstract

PURPOSE:To raise operation efficiency by making a forcedly sealing type spinneret pack into a readily disassembling state. CONSTITUTION:In a forcedly sealing type spinneret pack 1, a thick cylindrical frame 8 is attached to the interior of a dented part 6 of a middle main body 3. Plural through holes 9 are bored through part corresponding to the frame 8 at the lower end of the dented part 6 of the middle main body 3. A great number of polymer passageways 11 are bored through part corresponding to a hollow part 10 of the frame 8. In disassembling, plural cylindrical materials 17 are inserted into the plural through holes 9 of the middle main body 3 and pressed to push out the frame 8 from the dented part 6 of the middle main body 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a forced seal type spinneret pack used for melt spinning of synthetic fibers such as polyamide and polyester, and a method for disassembling the pack.

[0002]

2. Description of the Related Art Generally, in melt spinning of synthetic fibers, a spinneret pack is used in order to remove foreign matters in a spinning melt and discharge them from a spinneret. As such a spinneret pack, a spinneret, a collecting / distributing plate (distribution plate, pressure plate), packing, etc. are mounted in this order from the bottom in the recess of the pack body, and a so-called self-packing is provided on which a filtration layer is provided. Sealed spinneret packs were mainly used.

However, in recent years, synthetic fibers have been improved in performance and added value, and in spinneret packs, demands for suppressing generation of deteriorated polymer, improving kneading property, and high-mix low-volume production have been increased, and various types have been formed. Spinneret packs have been proposed and their handling has become complicated.

Among them, the so-called forced seal type spinneret pack (for example, Japanese Patent Application Laid-Open No. 55-16937) in which the pack body is divided into upper, middle and lower bodies and tightened with bolts has a small dead space. As a result, the generation of deteriorated polymer can be suppressed, and the filtration area can be freely set without being restricted by the spinneret, so that it has been widely used.

In such a forced seal type spinneret pack,
In order to remove the filtration layer built-in cylindrical frame body mounted in the recess of the intermediate body, a recess was formed on the side surface of the frame body, and a jig was hooked in this recess to pull out the frame body.

[0006]

However, in this method, the frame body is firmly fixed in the recess of the intermediate body due to the plastic deformation of the packing, and it is not easy to pull out the frame body upward. In particular, when polymer leakage occurs in the spinneret pack during spinning, it takes a considerable amount of time to remove the frame, and the work efficiency is significantly reduced. In addition, there is a problem that a recess for hooking the extraction jig must be formed in the frame body, and the shapes of the frame body and the pack intermediate body are limited.

An object of the present invention is to solve the problems of the prior art, to make the forced seal type spinneret pack easy to disassemble, and to improve the work efficiency.

[0008]

According to the present invention, (1)
A force-sealing type spinneret pack comprising an upper body having a polymer introduction hole, an intermediate body having a recess formed in the center, and a lower body holding a spinneret, wherein a thick cylindrical frame is provided along the inner wall surface of the recess of the intermediate body. Inserting and mounting, and forming a plurality of through-holes under the concave portion of the intermediate body in a portion corresponding to the frame body, and forming a plurality of polymer passages in a portion corresponding to the hollow portion of the frame body. And (2) when disassembling the spinneret pack according to (1) above, the upper body and the lower body are separated from the intermediate body, and then the plurality of through holes are formed in the intermediate body. A method for disassembling a spinneret pack, characterized in that a frame body mounted in a recess of the intermediate body is pushed out from the recess by inserting and pressing a plurality of rod-shaped bodies.

[0009]

In the forced-sealing type spinneret pack of the present invention, a plurality of through holes are formed below the concave portion of the intermediate body at a portion corresponding to the frame body. When the pack is disassembled, the through holes are formed. By inserting a plurality of rod-shaped bodies into and pressing the frame body, the frame body mounted in the recess of the intermediate body can be easily pushed out from the recess.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail below with reference to the drawings.

FIG. 1 is a longitudinal sectional view showing an example of the forced seal type spinneret pack of the present invention, and FIG. 2 is a sectional view taken along the line AA of FIG. 1, in which the spinneret pack body 1 is an upper body 2, It is composed of an intermediate body 3 and a lower body 4.

The upper body 2 has a polymer introduction hole 5.

A recess 6 is formed in the center of the intermediate body 3, and a thick cylindrical frame having a thickness of about 6 to 10 mm is formed in the recess 6 along the inner wall surface of the recess 6 to accommodate the filtration layer 7. Body 8
Is inserted and installed. Frame 8 containing this filtration layer 7
By making the cassette into a cassette, it becomes possible to easily replace the filter layer with an optimum one according to the brand of the synthetic fiber to be melt-spun, and it is possible to cope with the production of a wide variety of products in small quantities.

A plurality of through holes 9 are formed in a portion of the intermediate body 3 below the concave portion 6 corresponding to the frame body 8, and a hollow portion 10 of the frame body 8 (in which the filtration layer 7 is formed). A large number of polymer passages 11 are bored in the portion corresponding to (1).

Reference numeral 12 denotes a spinneret held by the lower main body 4.

Upper body 2, intermediate body 3 and lower body 4
Is tightened with bolts 14a, 14b, 14c, 14d from above and below via packings 13a, 13b, 13c, and is forcibly sealed so as to completely prevent leakage of the molten polymer.

In order to disassemble such a forced seal type spinneret pack, first, the bolts 14a, 14b, 14c and 1 are disassembled.
4d is removed, and the intermediate body 3 is separated from the upper body 2 and the lower body 4.

FIG. 3 is a cross-sectional view for explaining a method of removing the frame 8 from the separated intermediate body 3 and disassembling it. First, the intermediate body 3 is turned upside down and fixed on the fixing base 15. To do.

A pressing machine 16 is provided above the pressing machine 16, and the pressing machine 16 has a plurality of rod-shaped bodies 17 for disassembling jig 18.
Attach.

Then, the plurality of rod-shaped bodies 17 of the disassembling jig 18 are inserted into the plurality of through holes 9 formed in the portion corresponding to the frame body 8 below the concave portion 6 of the intermediate main body 3, respectively. ,
The frame 8 is pushed downward by the press 16.

In this way, the frame 8 can be easily removed from the intermediate body 3 and disassembled.

Although the above description has been made for one spinneret pack provided with one spinneret and a filtration layer, the present invention provides one spinneret bag with a plurality of spinnerets and a filtration layer. It can also be applied to so-called multi-eye packs.

Now, as shown in FIG. 3, 100 sets of 6-eye forced seal type spinneret packs are disassembled, and
All 00 sets can be completely disassembled, and the required time is 5
It was 0 minutes. On the other hand, if a recess is formed on the side surface of the frame body and the frame body is pulled out by hooking a jig into the recess, the frame is pulled out, and when 100 sets of the six-eye forced seal type spinneret pack are disassembled, it takes 90 minutes to disassemble. It was necessary, and the three packs could not be disassembled.

[0024]

According to the present invention, the forced seal type spinneret pack can be easily disassembled, and the efficiency of the pack disassembling work is significantly improved. Further, it is not necessary to form a recess for hooking the extraction jig in the frame body, and the shapes of the frame body and the pack intermediate body are not limited and can be freely set.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view showing an example of a forced seal type spinneret pack of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a vertical sectional view of an apparatus for explaining the pack disassembling method of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Spinneret pack main body 2 Upper main body 3 Intermediate main body 4 Lower main body 5 Polymer introduction hole 6 Recessed portion 8 Thick cylindrical frame body 9 Through hole 10 Hollow portion of frame body 11 Polymer passage 17 Rod-shaped body

Claims (2)

[Claims] 1. A force-sealing type spinneret pack comprising an upper body having a polymer introduction hole, an intermediate body having a recess formed in the center, and a lower body holding a spinneret, wherein the meat is formed along the inner wall surface of the recess of the intermediate body. A thick cylindrical frame body is inserted and mounted, a plurality of through holes are formed in a portion corresponding to the frame body below the concave portion of the intermediate body, and a large number of holes are formed in a portion corresponding to the hollow portion of the frame body. A spinneret pack having a polymer passage. 2. When disassembling the spinneret pack according to claim 1, after separating the upper body and the lower body from the intermediate body, a plurality of rod-shaped bodies are inserted into a plurality of through holes of the intermediate body and pressed. Thus, the method of disassembling the spinneret pack, wherein the frame body mounted in the recess of the intermediate body is pushed out from the recess.