CN102191567A

CN102191567A - Spinning pack

Info

Publication number: CN102191567A
Application number: CN2011100477110A
Authority: CN
Inventors: 小岛太一; 西大路诚
Original assignee: TMT Machinery Inc
Current assignee: TMT Machinery Inc
Priority date: 2010-03-01
Filing date: 2011-02-28
Publication date: 2011-09-21
Anticipated expiration: 2031-02-28
Also published as: JP5448935B2; EP2377977A1; CN102191567B; JP2011179138A; EP2377977B1

Abstract

A spinning pack that is capable of minimizing polymer leakage that might be caused due to dimensional errors of gaskets and of gasket-fitted portions is provided. A spinning pack (10) is attached to a spin block (4) of a melt-spinning apparatus (50). The spinning pack (10) includes: a link member (20) which is attached to the spin block (4) and has a plurality of first polymer conduits (20A, 20B) in the link member (20); a lid member (30) is disposed below the link member (20) and has a plurality of second polymer conduits (30A, 30B) in the lid member (30); and a gasket (60) is disposed between the lid member (30) and the link member (20) and has a plurality of polymer holes (60A, 60B) in the gasket to communicate with the plurality of polymer conduits (20A, 20B) and (30A, 30B).

Description

Filament spinning component

Technical field

The present invention relates to filament spinning component, relate in particular to the formation technology of this filament spinning component.

Background technology

, the thermoplastic resin (polymer) that has at high temperature melted is extruded from thin nozzle, the technology of the melt spinning device that becomes silk thread of reeling while cooling off is for well-known in the past.And, be installed on the heating casing of melt spinning device, filter and the polymer of rectification High Temperature High Pressure, from a plurality of spinneret orifices ejections filter and the filament spinning component of the polymer of rectification also well-known.

In order to clean the maintaining of its inside etc., the filament spinning component main body adopts can be from being installed in the structure of unloading down as the attaching parts on the spinning components (spin b1ock) of heating casing.And, can not be communicated with in order to make the polymer stream that forms on the polymer stream that forms on the attaching parts and the filament spinning component main body with leaking, the filament spinning component main body is installed to (for example patent documentation 1) on the attaching parts by sealing gasket.

In recent years, in order to improve the production efficiency of melt spinning device, use the filament spinning component that is formed with a plurality of polymer streams in inside.In such formation in the filament spinning component of a plurality of polymer streams, be clipped between attaching parts and the filament spinning component main body sealing gasket in the past with the corresponding odd one configuration of a plurality of polymer streams.

But there is scale error in each sealing gasket, and also there is scale error in the sealing gasket portion of setting of attaching parts side or filament spinning component main body side.Owing to there is such scale error, when being installed to the filament spinning component main body on the attaching parts, between the sealing gasket of each polymer stream, produce the poor of fastening force, exist the sealing between attaching parts and the filament spinning component main body to reduce, have the possibility that the polymer seepage takes place.

[patent documentation 1] Japanese kokai publication hei 9-41215 communique

Summary of the invention

The problem that the present invention wants to solve is exactly that a kind of filament spinning component that can reduce the polymer seepage that scale error that sealing gasket and sealing gasket be provided with portion causes will be provided.

The present invention wants the problem that solves as mentioned above, the following describes the means that address this problem.

The 1st scheme of invention is the filament spinning component that is installed on the heating casing of melt spinning device, and possess: attaching parts, inside are formed with a plurality of polymer streams, are installed on the above-mentioned heating casing; Cover, inside are formed with a plurality of polymer streams, are configured in the below of above-mentioned attaching parts; And sealing gasket, between above-mentioned cover and above-mentioned attaching parts, be configured, be formed with a plurality of polymer holes that are communicated with each above-mentioned polymer stream.

The 2nd scheme of invention around the peristome of the above-mentioned polymer stream of above-mentioned attaching parts and face above-mentioned sealing gasket butt, is formed with groove on the basis of the 1st scheme.

The 3rd scheme of invention is on the basis of the 1st or the 2nd scheme, when with the direction parallel with the polymer stream of above-mentioned attaching parts and above-mentioned cover as axially, with axial when rotating to be circumferencial direction around this, above-mentioned sealing gasket possesses the rotation preventive mechanism of the rotation of the above-mentioned circumferencial direction of restriction.

On the basis of the 4th scheme any one in the 1st to the 3rd scheme of invention, on the face of the above-mentioned sealing gasket of configuration of above-mentioned cover, be formed with the sealing gasket holding section; Above-mentioned sealing gasket is configured on the above-mentioned sealing gasket holding section.

On the basis of the 5th scheme any one in the 1st to the 3rd scheme of invention, on the face of the above-mentioned sealing gasket of configuration of above-mentioned cover, be formed with the sealing gasket holding section; On above-mentioned sealing gasket holding section, be formed with the pin holding section; On above-mentioned sealing gasket, be formed with the pin-and-hole that runs through the sealing pad; By pin and above-mentioned pin holding section and above-mentioned pin-and-hole are fastened, above-mentioned sealing gasket is engaged with above-mentioned cover.

The effect of invention:, can reduce the polymer seepage that the scale error of sealing gasket and mismachining tolerance that sealing gasket is provided with portion cause according to filament spinning component of the present invention.

Description of drawings

Fig. 1 possesses the integrally-built schematic diagram of melt spinning device of the filament spinning component of an example of the present invention for expression;

Fig. 2 A is the integrally-built cutaway view of the above-mentioned filament spinning component of expression;

Fig. 2 B is the integrally-built vertical view of the above-mentioned filament spinning component of expression;

Fig. 3 A is the cutaway view of the configuration of the sealing gasket of the above-mentioned filament spinning component of expression;

Fig. 3 B is the cutaway view of seeing from other angles of the configuration of the sealing gasket of the above-mentioned filament spinning component of expression;

Fig. 4 A is the vertical view of the sealing gasket of the above-mentioned filament spinning component of expression;

Fig. 4 B is the cutaway view of the sealing gasket of the above-mentioned filament spinning component of expression;

Fig. 5 A is the cutaway view of the attaching parts of the above-mentioned filament spinning component of expression;

Fig. 5 B is the upward view of the attaching parts of the above-mentioned filament spinning component of expression;

Fig. 6 A is the cutaway view of the configuration of the sealing gasket of the filament spinning component of other examples of expression;

Fig. 6 B is the cutaway view of seeing from other angles of the configuration of the sealing gasket of the filament spinning component of other examples of expression;

Fig. 7 A is the vertical view of the sealing gasket of the filament spinning component of other examples of expression;

Fig. 7 B is the cutaway view of the sealing gasket of the filament spinning component of other examples of expression;

Fig. 8 A is the vertical view of the sealing gasket of the filament spinning component of the other example of expression;

Fig. 8 B is the cutaway view of the sealing gasket of the filament spinning component of the other example of expression.

The specific embodiment

Use Fig. 1 explanation to possess the melt spinning device 50 of the filament spinning component 10 of an example of the present invention below.

Melt spinning device 50 is extruded from thin nozzle for the thermoplastic resin (polymer) that will at high temperature melt, and coiling becomes the device of silk thread while cool off.Melt spinning device has the POY of coiling POY (partially oriented yarn, partially oriented yarn) FDY these 2 kinds of devices of device for spinning with device for spinning and coiling FDY (fullly drawn yarn (FDY), Fully drawn yarn).Filament spinning component 10 of the present invention can be used in POY with device for spinning or FDY with any device in the device for spinning, but this example describes with device for spinning as FDY.

Melt spinning device 50 has: the bailing bucket 1 that drops at high temperature dry polymer fragment, with polymer fragment be melted to can spinning viscosity with the extruder 2 of high pressure ejection, the molten polymer that gushes out is transported to the polymer pipe 3 of spinning components 4 described later, enclose heat medium, possess the spinning components 4 of the conduct heating casing of gear pump (diagram is omitted), and be installed on the spinning components (spin block) 4 as the weight feed device, filter and rectification by gear pump weight feed and the polymer that was heated, be filtered and the filament spinning component 10 of the polymer of rectification with high pressure ejection.

And, melt spinning device 50 possesses with the cooling channel tube 5 of cooling tube cooling from filament spinning component 10 spun silk thread Y, provide for silk thread Y to be used for and reduce with the friction of thread guide etc., prevent charged and give the oil supply thread guide 6 of the finish of flexibility etc., give the mobile cross winding nozzle 7 that causes suitable disorder that evenly makes silk thread Y to the finish of silk thread Y in order to make, change the first roller 8a and the second roller 8b of the direction of silk thread Y, and with silk thread Y as the undrafting wire coil of wire around bobbin winder 9.

With Fig. 2 A, Fig. 2 B and Fig. 3 A, Fig. 3 B explanation filament spinning component 10.In addition, the arrow Z among Fig. 2 B represent filament spinning component 10 and filament spinning component 10 component parts axially, with arrow Z towards as the top.And the arrow X of Fig. 2 A represents the circumferencial direction of the component parts of filament spinning component 10 and filament spinning component 10.

Fig. 3 A represents the cutaway view of the A-A section among Fig. 2 A of filament spinning component 10, and Fig. 3 B represents that the section with Fig. 3 A has rotated the cutaway view of the B-B section among Fig. 2 A of 90 °.

Filament spinning component 10 possesses attaching parts 20 and filament spinning component main body 40.In order to clean the maintaining of its inside etc., filament spinning component main body 40 adopts the structure that can unload from attaching parts 20.And, the parts that sealing gasket 60 is changed as running stores during for each maintaining filament spinning component main body 40.Attaching parts 20 are installed on the spinning components 4 with bolt (diagram is omitted) in advance for connecting the parts of spinning components 4 and filament spinning component main body 40.Square down one-tenth lug boss 21 on attaching parts 20, attaching parts 20 inside axially on form 2 polymer stream 20A, 20B, around lug boss 21, form external thread part.

Filament spinning component main body 40 possesses the structure of cover 30, guard ring 42 and spinning head 43 for to be installed on the attaching parts 20 by sealing gasket 60 in the inside of gabarit 41 cylindraceous.

Cover 30 for be configured in the topmost of filament spinning component main body 40, portion axially goes up the parts that form 2

polymer stream

30A, 30B being communicated with polymer stream 20A, the 20B of above-mentioned attaching parts 20 respectively within it.Form depressed part 31 on the upper surface of cover 30, on the 31L of the bottom surface of depressed part 31, be formed with the flute profile holding section 32 of the portion that is provided with as the sealing gasket of configuration sealing gasket 60.Side at depressed part 31 is formed with internal thread part.Guard ring 42 for be configured in the below of cover 30, within it portion axially on be formed with the polymer stream 42A that is communicated with above-mentioned

polymer stream

30A, 30B respectively, the parts of 42B, be provided with filtering material and filter etc. midway at its polymer stream 42A, 42B.Spinning head 43 is the below that is configured in guard ring 42, the parts that are equipped with the spinneret orifice group (diagram is omitted) who is communicated with

stream

42A, 42B respectively.

The structure of sealing gasket 60 and the structure of attaching parts 20 that are connected with sealing gasket 60 and cover 30 then are described.

Shown in Fig. 4 A, Fig. 4 B, sealing gasket 60 is overlooked its profile in filament spinning component 10 axial and is formed elliptical shape as rotation preventive mechanism, form in the axial direction when sealing gasket 60 and holding section 32 in conjunction with the time respectively with the polymer stream 30A of cover 30, polymer hole 60A, the 60B that 30B is communicated with.The sealing gasket 60 of this example is used aluminum, and sealing gasket 70,80 described later is used aluminum too.In addition, be described in detail about the rotation preventive mechanism back.

The same ellipse that forms with the axial profile of sealing gasket 60 of interior all profiles of the holding section 32 of cover 30 makes the axial height of axial depth ratio sealing gasket 60 of holding section 32 low.

Shown in Fig. 5 A, Fig. 5 B, around polymer stream 20A, the 20B of the bottom surface of attaching parts 20 20L, separate predetermined interval with the peristome edge of polymer stream 20A, 20B and the peristome fringing ground of polymer stream 20A, 20B is formed groove 22.Groove 22 forms V-shape on the cutaway view of its formation direction.In addition, the section shape of the formation direction of groove 22 is not limited to V-shape, also can be spill.

The installation of sealing gasket 60 then is described.

When being installed to filament spinning component main body 40 on the attaching parts 20, sealing gasket 60 is configured to it on cover 30 with engaging with holding section 32, restriction sealing gasket 60 is with respect to the skew of the circumferencial direction of filament spinning component main body 40.And,, depressed part 31 threaded engagement on lug boss 21, are installed to filament spinning component main body 40 on the attaching parts 20 by along the circumferential direction and up filament spinning component main body 40 being fastened on the attaching parts 20.Make the positioning element (diagram is omitted) of aligned in position of polymer stream 30A, the 30B of the position of polymer stream 20A, 20B of attaching parts 20 and cover 30 when in addition, the depressed part 31 of filament spinning component main body 40 is provided with on being installed to attaching parts 20.

When being installed to filament spinning component main body 40 on the attaching parts 20, the upper surface of sealing gasket 60 is close to the bottom surface 20L of attaching parts 20, the bottom surface 32L of the holding section 32 of cover 30 is close in the bottom surface of sealing gasket 60, and

polymer hole

60A, 60B are communicated with polymer stream 20A, 20B and

polymer stream

30A, 30B respectively.

By adopting such structure, can obtain following effect.

In the past, form the sealing gasket that is clipped between attaching parts and the filament spinning component main body in the filament spinning component of 2 polymer streams and be respectively one of each bar polymer stream configuration, promptly added up to 2 of configurations.But owing to use 2 sealing gaskets, be promptly 2 times of the amounts of the sheet number of sealing gasket with regard to the product size error that sealing gasket and sealing gasket are provided with portion, the sealing in the filament spinning component between attaching parts and the filament spinning component main body has reduced.

If adopt the filament spinning component 10 of this example, by the sealing gasket 60 that uses 1 to form 2

polymer hole

60A, 60B being communicated with 2 polymer stream 20A, 20B (30A, 30B) respectively, can reduce sealing gasket 60 and the generation reason of scale error of the holding section 32 of portion is set as sealing gasket, can reduce the polymer seepage that the scale error of sealing gasket 60 and holding section 32 causes.

And, when being installed to filament spinning component main body 40 on the attaching parts 20, owing to around the peristome of polymer stream 20A, the 20B of the bottom surface of attaching parts 20 20L, be formed with groove 22, therefore compare for a short time under the situation that the contact area of the upper surface of sealing gasket 60 and bottom surface 20L and bottom surface 20L are smooth, compare less under the situation that needed fastening force and bottom surface 20L are smooth in the time of can obtaining fastening filament spinning component main body 40 with regard to passable effect.

And, when being installed to filament spinning component main body 40 on the attaching parts 20, because sealing gasket 60 utilizes the mechanism that stops with respect to 40 rotations of filament spinning component main body fixing in a circumferential direction, does not therefore need 2 polymer stream 20A, 20B (30A, 30B) and the polymer hole 60A of sealing gasket 60, the location of 60B.

Wherein, rotation preventive mechanism is for when making sealing gasket 60 along the circumferential direction rotate the mechanism of rotation of the circumferencial direction of time limit gasket 60 with respect to holding section 32, any face butt of when instigating sealing gasket 60 along the circumferential direction to rotate and holding section 32 makes sealing gasket 60 can not along the circumferential direction continue to move the part of (rotation).That is, the rotation preventive mechanism of so-called sealing gasket 60 is for forming oval-shaped profile.

For example, profile forms circle, the sealing gasket protrusions portion that forms lug boss around is a rotation preventive mechanism.In addition, the structure of the holding section that has formed lug boss is adopted in holding section 32.

And profile forms circle, form lug boss in the bottom sealing gasket protrusions portion is a rotation preventive mechanism.In addition, the structure of the holding section that has formed lug boss is adopted in holding section 32.

And profile forms and forms oval-shaped profile in the oval-shaped sealing gasket is rotation preventive mechanism.

The configuration of the delta ring sealing gasket 70 of other examples is described with Fig. 6.

Fig. 6 A has represented the cutaway view that is equivalent to the A-A section among Fig. 2 A of filament spinning component 10; Fig. 6 B has represented to have rotated with the section of Fig. 6 A 90 ° the cutaway view that is equivalent to the B-B section among Fig. 2 A.

Because identical, therefore omit explanation for lug boss 21 and depressed part 31 with said structure.On the 31L of the bottom surface of depressed part 31, form the holding section 32 of groove shape in the cover 30, the profile phase during interior all profiles of holding section 32 adopt and analyse and observe with delta ring sealing gasket 70 described later axial with circle.And, pin-and-hole 32 and delta ring sealing gasket 70 described later 71,71 corresponding locational two local pin holding sections 33 that form in the holding section.

With Fig. 7 A, Fig. 7 B explanation delta ring sealing gasket 70.

It is the structure that has cut the shape of rectangular corner part with straight line that delta ring sealing gasket 70 adopts on the axial vertical view profile being formed circle, make profile on cutaway view vertically.And, on delta ring sealing gasket 70, run through communicatively with polymer stream 30A, the 30B of cover 30 respectively when delta ring sealing gasket 70 is engaged on the holding section 32 and be formed with polymer hole 70A, 70B, the centre line L with respect to polymer hole 70A, 70B between this polymer hole 70A, 70B runs through the pin-and-hole 71,71 that is formed with as rotation preventive mechanism symmetrically.Pin-and-hole 71,71 can the centre line L with respect to polymer hole 70A, 70B be formed on two places symmetrically in delta ring sealing gasket 70, but the position of formation pin-and-hole 71,71 is not limited to this example.

The following describes the installation of delta ring sealing gasket 70.

When being installed to filament spinning component main body 40 on the attaching parts 20, delta ring sealing gasket 70 is configured to it on cover 30 with engaging with holding section 32, pin 90 is engaged with pin holding section 33 and pin-and-hole 71, and restriction delta ring sealing gasket 70 is with respect to the skew of the circumferencial direction of filament spinning component main body 40.And, by along the circumferential direction and up filament spinning component main body 40 being fastened on the attaching parts 20, make depressed part 31 threaded engagement on lug boss 21, filament spinning component main body 40 is installed on the attaching parts 20.

By adopting such structure, can obtain following effect.

Promptly, the same with sealing gasket 60, by the delta ring sealing gasket 70 that uses 1 to form 2 polymer hole 70A, 70B being communicated with 2 polymer stream 20A, 20B (30A, 30B) respectively, can reduce delta ring sealing gasket 70 and the generation reason of scale error of the holding section 32 of portion is set as sealing gasket.

And, be making delta ring sealing gaskets 70 such as circular, the cylindrical aluminium die casting that the enough versatilities of energy are high by the profile that makes delta ring sealing gasket 70, therefore can reduce the production cost of delta ring sealing gasket 70.

And, because polymer hole 70A, 70B and pin-and-hole 71,71 all are through hole, therefore can easily carry out hole processing, thereby can reduce the production cost of delta ring sealing gasket 70.

And, because pin-and-hole 71,71 centre line L with respect to polymer hole 70A, 70B in delta ring sealing gasket 70 is formed on 2 places symmetrically, even therefore be installed on the filament spinning component 10, the high pressure polymerisation thing is through out-of-date also distortion equably, can not damage sealing property.

Sealing gasket 80 with the other example of Fig. 8 A, Fig. 8 B explanation.

Delta ring sealing gasket 80 with the cutaway view of axially parallel on profile for cut the shape of rectangular corner part with straight line, be that the part that cuts arrives polymer hole 80A, the peristome of 80B and the parts that are roughly diamond structure as a whole.Other the structure that comprises pin-and-hole 81 is identical with above-mentioned delta ring sealing gasket 70.

Claims

1. a filament spinning component is installed on the heating casing of melt spinning device, possesses:

Attaching parts, inside are formed with a plurality of polymer streams, are installed on the above-mentioned heating casing;

Cover, inside are formed with a plurality of polymer streams, are configured in the below of above-mentioned attaching parts; And

Sealing gasket is configured between above-mentioned cover and above-mentioned attaching parts, is formed with a plurality of polymer holes that are communicated with each above-mentioned polymer stream.

2. filament spinning component as claimed in claim 1 around the peristome of the above-mentioned polymer stream of above-mentioned attaching parts and face above-mentioned sealing gasket butt, is formed with groove.

3. filament spinning component as claimed in claim 1 or 2, when with the direction parallel with the polymer stream of above-mentioned attaching parts and above-mentioned cover as axially, with axial when rotating to be circumferencial direction around this, above-mentioned sealing gasket possesses the rotation preventive mechanism of the rotation of the above-mentioned circumferencial direction of restriction.

4. as each the described filament spinning component in the claim 1 to 3, on the face of the above-mentioned sealing gasket of configuration of above-mentioned cover, be formed with the sealing gasket holding section;

Above-mentioned sealing gasket is configured on the above-mentioned sealing gasket holding section.

5. as each the described filament spinning component in the claim 1 to 3, the profile of above-mentioned sealing gasket is circular;

On the face of the above-mentioned sealing gasket of configuration of above-mentioned cover, be formed with the sealing gasket holding section;

On above-mentioned sealing gasket holding section, be formed with the pin holding section;

On above-mentioned sealing gasket, be formed with the pin-and-hole that runs through the sealing pad;

By pin and above-mentioned pin holding section and above-mentioned pin-and-hole are fastened, above-mentioned sealing gasket is engaged with above-mentioned cover.