CN102534828A - Sealing structure of drafting machine for fiber spinning - Google Patents
Sealing structure of drafting machine for fiber spinning Download PDFInfo
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- CN102534828A CN102534828A CN2011103614196A CN201110361419A CN102534828A CN 102534828 A CN102534828 A CN 102534828A CN 2011103614196 A CN2011103614196 A CN 2011103614196A CN 201110361419 A CN201110361419 A CN 201110361419A CN 102534828 A CN102534828 A CN 102534828A
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- casing
- division board
- main shaft
- spacer
- drawing roller
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Abstract
The invention particularly relates to a sealing structure of a drafting machine for fiber spinning, which comprises a box (1) of the drafting machine, a rotary spindle (2), a drafting roll (3) and an isolation sleeve (4). The sealing structure is characterized in that the isolation sleeve (4) is arranged between the drafting roll (3) and a shaft shoulder of the rotary spindle (2), the upper end of an isolation plate (11) is fixed on the right side of the box (1), the isolation plate (11) is isolated with the right side of the box (1), a bowl-shaped sealing sleeve (14) is arranged at an opening of the isolation plate (11), one end of the bowl-shaped sealing sleeve (14) is connected with an inner hole of a bearing end cap (13) in a positioning manner, a flared opening at the other end of the bowl-shaped sealing sleeve (14) is connected with the opening of the isolation plate (11), a middle hole is sleeved on the outer wall of the isolation sleeve (4) freely, and two acid and alkali resistant framework oil seals which are opposite to each other are mounted in the front and the rear of the middle hole. By the sealing structure, key parts and key portions of the drafting machine, such the box, the spindle, the bearing and the like can be protected from being corroded by corrosive liquid, the service life of the sealing structure can be prolonged to more than one year and can be prolonged by replacing sealing rings and the framework oil seals.
Description
Technical field
The present invention relates to the hermetically-sealed construction of a kind of fibre spinning with drawing machine; Be particularly related to the hermetically-sealed construction of a kind of Fanglun l414 fibre spinning with drawing machine; And can promote the use of on other high-performance fiber draft apparatus that the height requirement for anticorrosion is arranged, belong to field of textile machinery.
Background technology
Other high-performance fiber draft apparatus of height requirement for anticorrosion; In the production process like the Fanglun l414 fiber, it is that dissolution with solvents becomes spinning slurry that polymer adopts high-purity concentrated sulfuric acid, and slurries are via the pore ejection spinning of spinnerets; And in the coagulating bath moulding; The moulding tow that comes out from coagulating bath is by one or several drawing machines (being generally seven roller drawing machines) drawing-off and carry out alkali cleaning and washing simultaneously, so the anti-acid and alkali corrosion property requirement of drawing machine is very high.Such drawing machine anti-corrosion measure of using in the market mainly contains following several kinds: the 1st, and requirement corrosion-resistant parts have all adopted the 00Cr17Ni14Mo2 stainless steel material; Cost is very high; And main shaft part employing stainless steel, intensity is low, and part is short service life.The 2nd, welding of drawing machine casing carbon sheet or casting, outer surface adopts the 00Cr17Ni14Mo2 stainless sheet steel to coat, and main shaft is selected the alloy structure steel for use, and key position adopts the 00Cr17Ni14Mo2 stainless steel casement, axially uses the rubber seal sealing.Cost is higher, complex structure, sealing effectiveness are relatively poor, and corrosive liquid enters in the casing bearing easily, thereby causes equipment fault, and had a strong impact on production efficiency less than three months service life.And conventional hermetically-sealed construction is not considered the time of staying of minimizing corrosive medium at key position.The corrosive medium time of staying is long, and the effect of sealing weakens.Therefore, the structure of this type sealing needs further to improve.
Summary of the invention
The object of the present invention is to provide the hermetically-sealed construction of a kind of fibre spinning with drawing machine, in process of production, the key components and parts of such drawing machine and key position can not receive the erosion of corrosive liquid for a long time.
Technical scheme of the present invention is: comprise casing, rotary main shaft, drawing roller and the spacer of drawing machine, rotary main shaft is connected with the bearing saddle bore of casing through bearing; Drawing roller is connected with the external cylindrical surface of rotary main shaft through the cylindrical hole at center; Drawing roller or the conical bore through the center are connected with the outer conical surface of rotary main shaft; Between the shaft shoulder of described drawing roller and rotary main shaft, be provided with spacer; The upper end of division board is fixed on the right side of casing, and the right flank of division board and casing is separated; Division board is provided with perforate; The tapping of division board is provided with a bowl type sealing shroud; One end of bowl type sealing shroud and the endoporus of bearing (ball) cover are located by connecting; The horn-like running-on of the other end is connected with the openings of division board, and the interstitial hole sky of bowl type sealing shroud is enclosed within on the outer wall of spacer, and one positive one anti-two acid and alkali-resistance outside framework oil seals respectively are equipped with in front and back.
Be preferably: be welded with two baffle rings on the described spacer respectively, two baffle rings are separately set up, and the diameter of the baffle ring on the right is greater than the baffle ring on the left side, and two baffle rings all are positioned at the horn-like running-on of bowl type sealing shroud.
The interstitial hole of the bowl type sealing shroud between described two acid and alkali-resistance outside framework oil seals is provided with an annular arc groove, and the outage of an inclination has been bored in the bottom of groove.
The upper end of described division board is connected with casing through sunk screw, and after sunk screw was fixing, the screw head of sunk screw was dead with PP or the weldering of PE welding rod.
Described spacer is provided with " O " RunddichtringO with the contact end face that is connected of drawing roller, and the drawing roller outer end is connected with cover plate, is provided with another " O " RunddichtringO between drawing roller outer end and the cover plate, and the bottom of casing is provided with the collection box.
The present invention can make drawing machine key components and parts and key position like casing, main shaft, bearing etc.; The advantage that not corroded by corrosive liquid; As on Fanglun l414 fibre spinning production line, the drawing machine of this hermetically-sealed construction reaches more than 1 year under normal quantity-produced condition service life.And can increase the service life through the simple measure of changing " O " RunddichtringO and acid and alkali-resistance outside framework oil seal.
Description of drawings
The structural representation of Fig. 1, the embodiment of the invention 1.
Among the figure; Casing 1, rotary main shaft 2, drawing roller 3, spacer 4, bearing 5, " O " RunddichtringO 6,10, baffle ring 7,8, cover plate 9, division board 11, acid and alkali-resistance outside framework oil seal 12, bearing (ball) cover 13, bowl type sealing shroud 14, sunk screw 15 is collected box 16.
The specific embodiment
The present invention can be through the technical scheme practical implementation in the summary of the invention, when wherein technical scheme waits like " front, rear, left and right " in the direction orientation, mainly is to explain according to the structural representation of embodiment 1, is the qualification of relative position; Equally, can do further description to the present invention, yet scope of the present invention is not limited to following embodiment through following embodiment.
Embodiment 1:
As shown in Figure 1, primary structure comprises casing 1, rotary main shaft 2, drawing roller 3 and the spacer 4 of drawing machine.Casing 1 is for gray iron casting or carbon steel steel plate are welded, easily by acid and alkali corrosion; Rotary main shaft 2 adopts high-strength alloy structural steel materials, also acid-alkali-corrosive-resisting not; Drawing roller 3 profiles adopt the 00Cr17Ni14Mo2 stainless steel or the ceramic material manufacturing of acid and alkali-resistance, and spacer 4 has selected for use the 00Cr17Ni14Mo2 stainless steel material to make equally.Rotary main shaft 2 is bearing in the bearing saddle bore of casing 1 through bearing 5.Drawing roller 3 utilizes the cylindrical hole at center or conical bore to cooperate with the external cylindrical surface or the outer conical surface of rotary main shaft 2; Mid portion utilizes spacer 4 to isolate and on the contact end face, adopt " O " RunddichtringO 6 static seals of acid and alkali-resistance, penetrates on the main shaft to prevent corrosive liquid.Be welded with two baffle rings 7,8 on the spacer 4, the diameter of the baffle ring 8 on the right can get rid of the macro-corrosion liquid of outside to drawing roller one side greater than the horn-like running-on that 7, two baffle rings of baffle ring 7,8 on the left side all are positioned at bowl type sealing shroud 14 effectively.The sealing of drawing roller 3 outer ends simply utilizes cover plate 9 and " O " RunddichtringO 10 static seals, prevents that corrosive liquid from penetrating in the roller.
In order to prevent that corrosive liquid from contacting with casing 1 surface,, also can be rubber parts, working of plastics or other material of other acid and alkali-resistance in PP material or the PE material that an acid and alkali-resistance has been installed in front, casing 1 right side; Make low price like PP and PE plate than stainless steel material, make simple division board 11, division board 11 is fixed on the right side of casing 1 through sunk screw 15; In order to prevent that corrosive liquid from infiltrating casing from the screw slit, adorn screw after, screw head welds extremely with PP or PE welding rod; The plate face of division board 11 and casing 1 right flank are all the vertical direction of level; The plate face of division board 11 and casing 1 right flank are separated certain distance, like this, even there is corrosive liquid to flow through division board 11; Liquid can directly fall on the ground from isolating neutral, also can directly not contact with the outer surface on casing 1 right side.
If exist to have spilt corrosive liquid from neutral, can establish the collection box 16 that a simple acid and alkali-resistance stainless steel or PP plate, PE plate are made at bottom half, collect the liquid that spills.
Claims (5)
1. a fibre spinning comprises casing (1), rotary main shaft (2), drawing roller (3) and the spacer (4) of drawing machine with the hermetically-sealed construction of drawing machine, and rotary main shaft (2) is connected with the bearing saddle bore of casing (1) through bearing (5); Drawing roller (3) is connected with the external cylindrical surface of rotary main shaft (2) through the cylindrical hole at center; Drawing roller (3) or the conical bore through the center are connected with the outer conical surface of rotary main shaft (2); It is characterized in that between the shaft shoulder of described drawing roller (3) and rotary main shaft (2), being provided with spacer (4); The upper end of division board (11) is fixed on the right side of casing (1), and division board (11) is separated with the right flank of casing (1); Division board (11) is provided with perforate; The tapping of division board (11) is provided with a bowl type sealing shroud (14); One end of bowl type sealing shroud (14) and the endoporus of bearing (ball) cover (13) are located by connecting; The horn-like running-on of the other end is connected with the openings of division board (11), and the interstitial hole sky of bowl type sealing shroud (14) is enclosed within on the outer wall of spacer (4), and one positive one anti-two acid and alkali-resistance outside framework oil seals (12) respectively are equipped with in front and back.
2. a kind of fibre spinning according to claim 1 is with the hermetically-sealed construction of drawing machine; It is characterized in that being welded with respectively on the described spacer (4) two baffle rings (7,8); Two baffle rings (7,8) are separately set up; The diameter of the baffle ring (8) on the right is greater than the baffle ring (7) on the left side, and two baffle rings (7,8) all are positioned at bowl horn-like running-on of type sealing shroud (14).
3. a kind of fibre spinning according to claim 1 and 2 is with the hermetically-sealed construction of drawing machine; The interstitial hole that it is characterized in that the bowl type sealing shroud (14) between described two acid and alkali-resistance outside framework oil seals (12) is provided with an annular arc groove, and the outage of an inclination has been bored in the bottom of groove.
4. a kind of fibre spinning according to claim 1 and 2 is with the hermetically-sealed construction of drawing machine; The upper end that it is characterized in that described division board (11) is connected with casing (1) through sunk screw (15); After sunk screw (15) was fixing, the screw head of sunk screw (15) was dead with PP or the weldering of PE welding rod.
5. a kind of fibre spinning according to claim 1 and 2 is with the hermetically-sealed construction of drawing machine; It is characterized in that described spacer (4) is provided with " O " RunddichtringO (6) with the contact end face that is connected of drawing roller (3); Drawing roller (3) outer end is connected with cover plate (9); Be provided with another " O " RunddichtringO (10) between drawing roller (3) outer end and the cover plate (9), the bottom of casing (1) is provided with collects box (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110361419.6A CN102534828B (en) | 2011-11-15 | 2011-11-15 | Sealing structure of drafting machine for fiber spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110361419.6A CN102534828B (en) | 2011-11-15 | 2011-11-15 | Sealing structure of drafting machine for fiber spinning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102534828A true CN102534828A (en) | 2012-07-04 |
| CN102534828B CN102534828B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110361419.6A Active CN102534828B (en) | 2011-11-15 | 2011-11-15 | Sealing structure of drafting machine for fiber spinning |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560658A (en) * | 2020-05-26 | 2020-08-21 | 无锡佳成纤维有限公司 | Spinning equipment for producing nylon filaments |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2828068Y (en) * | 2005-08-26 | 2006-10-18 | 邯郸纺织机械有限公司 | Viscose staple spinning machine |
| CN201400732Y (en) * | 2009-05-12 | 2010-02-10 | 贵州虹祥轴承有限公司 | Chemical fiber medium-large load high-precision high-speed spinning separating roller |
| JP2010090515A (en) * | 2008-10-10 | 2010-04-22 | Teijin Fibers Ltd | Spinneret pack for melt-spinning |
| CN202415764U (en) * | 2011-11-15 | 2012-09-05 | 江西东华机械有限责任公司 | Seal structure of draw machine for aramid 1414 fiber spinning |
-
2011
- 2011-11-15 CN CN201110361419.6A patent/CN102534828B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2828068Y (en) * | 2005-08-26 | 2006-10-18 | 邯郸纺织机械有限公司 | Viscose staple spinning machine |
| JP2010090515A (en) * | 2008-10-10 | 2010-04-22 | Teijin Fibers Ltd | Spinneret pack for melt-spinning |
| CN201400732Y (en) * | 2009-05-12 | 2010-02-10 | 贵州虹祥轴承有限公司 | Chemical fiber medium-large load high-precision high-speed spinning separating roller |
| CN202415764U (en) * | 2011-11-15 | 2012-09-05 | 江西东华机械有限责任公司 | Seal structure of draw machine for aramid 1414 fiber spinning |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560658A (en) * | 2020-05-26 | 2020-08-21 | 无锡佳成纤维有限公司 | Spinning equipment for producing nylon filaments |
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| Publication number | Publication date |
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| CN102534828B (en) | 2014-04-02 |
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