CN205974762U - Drafting machine - Google Patents

Abstract

The utility model provides a drafting machine, which comprises a frame, the frame embeds there is the bearing, the bearing endotheca has the pivot, the one end of pivot is equipped with the connecting plate that is used for connecting actuating mechanism, other end overcoat has the draft roller, it has the oiling mouth that is used for for the bearing oiling to open in the frame, there is the connecting cylinder that is used for locking the draft roller fixed company of pivot, the pivot of connecting cylinder endotheca, and the connecting cylinder is located between draft roller and the bearing, be equipped with annular sealing piece in the connecting cylinder, annular sealing piece hugs closely in the pivot, it improves the leakproofness between connecting cylinder and the pivot to increase annular sealing piece.

Description

Drafting machine

Technical field

This utility model is related to chemical fiber machinery field, particularly to drafting machine.

Background technology

The main purpose of tow drawing-off is to improve the degree of orientation of strand, is allowed to there is certain strength and elongation.Drawing-off It is to produce between twice drafter.Tow between twice drafter in front and back, because of the difference of draw roll superficial velocity And be stretched.The ratio of the draw roll superficial velocity of twice drafter is referred to as draw ratio.Because the total denier of tow is very big, up to 100～2,000,000 denier, even more high, required drafting force is also very big, and drafter must be made very solid.The master of drafting machine Acting on is axially to impose external force in tow under certain conditions, and the ultimate fibre in tow is drawn and attenuated, and improves the degree of orientation, makes list Fiber is changed into high-strength, flatness elastic stage from low strong, the high mecystasises stretched.Stretching is the cylinder table using each road drafting machine Come to realize, therefore, theoretical draw ratio can be by the ratio of the linear velocity of each road drafting machine cylinder surface for the increase of the linear velocity in face Try to achieve.

Drafting machine operation principle is：The outfan drive roll of motor connects, and drive roll and the rotating shaft being built in body turn It is dynamically connected, rotating shaft and bearing fit and rotating shaft are extended outside casing and overcoat cylinder, the rolling of cylinder produces stretching to tow.

Drafting machine produces very big drafting force when work, because tow is in radial direction at the cooperation of bearing and rotating shaft Run into and lead to：Rotating shaft produces very big radial frictional force to bearing, therefore leads to rotating shaft to be easily broken off, so setting note in casing Hydraulic fluid port, is injected into oil in bearing and rotating shaft, extends the service life of bearing by the lubrication of lubricating oil.Refer to the attached drawing 5, Fig. 5 is the figure of original structure, and lubricating oil is from the local seepage sealing with draw roll, and lubricating oil under the influence of centrifugal force It is thrown on tow, cause the pollution of product.

Utility model content

The purpose of this utility model is to provide a kind of drafting machine, increase lip ring come to improve connecting cylinder and rotating shaft it Between sealing.

Above-mentioned purpose of the present utility model technical scheme is that：A kind of drafting machine, including frame, Frame is built-in with clutch shaft bearing, is cased with rotating shaft in clutch shaft bearing, and one end of rotating shaft is provided with the connecting plate for sealing frame, another End is outer to be cased with draw roll, frame has for the pouring orifice to clutch shaft bearing oiling, clutch shaft bearing side is provided with inner sleeve first The boss of bearing, is fixed with the supports block for axially propping up clutch shaft bearing, described supports block screw thread is even between described boss and frame Have the sealing block for sealing pivot, sealing block screw thread is connected with and gets rid of oil sheet for be close to bearing, described get rid of oil sheet be located at close One end setting of draw roll, is cased with second bearing outside sealing block, is fixed with latch fitting outside described second bearing, and described latch fitting screw thread is even Pick frame.

By adopting technique scheme, as driven voller, draw roll connects draw roll mainly by with drawing-off roller gear Drive roll rotates the power providing, and is enclosed within rotating shaft, gets rid of the bearing surface that oil sheet is located remotely from the side of draw roll outside draw roll, And it is close to bearing；Get rid of oil sheet to be fixedly connected on sealing block, sealing block completely cuts off lubricating oil as the first step, gets rid of oil sheet further Isolation lubricating oil prevents lubricating oil from not throwing away rotating shaft.Sealing block and two ends prop up boss and the supports block of frame is threaded, and Supports block Main Function is used for propping up clutch shaft bearing, prevents clutch shaft bearing axially-movable.Second bearing outer layer is fixed on latch fitting, and second It is enclosed within outside bearing internal layer on sealing block, this setting achieves the rotation of second bearing.

Preferably, one end of sealing block laminating rotating shaft is provided with recess, is provided with O-ring seal, described annular in described recess Between sealing ring and boss and sealing block.

By adopting technique scheme, lubricating oil as main lubricant, between counter extensioin machine rotating shaft and bearing Effect is very big, but because the connection of draw roll and rotating shaft does not enable positive confinement all the time, then in order to avoid lubrication Oil is leaked out it is ensured that being sealed by multi-sealed means between draw roll and clutch shaft bearing, further from bearing O-ring seal is set between boss and the recess of sealing block, further prevents the seepage of lubricating oil.

Preferably, latch fitting is externally provided with the protection board for waterproof, described is embedded in drawing-off roller edge.

By adopting technique scheme, because drafting machine is divided into one drafting machine and two roads to play drafting machine, leading together Stretch between Ji He bis- road drafting machine setting water bath, tow carries moisture after water bath, in order to avoid to latch fitting and The aqueous corrosion of the lip ring in latch fitting, arranges a protection board outside latch fitting, prevents the naked of drafting machine inner body simultaneously Dew.

Preferably, protection board is opening shape, and the side at its two ends is parallel to each other, and is close to frame surface, protection board by Elastic metal sheet is made.

By adopting technique scheme, when using certain time limit, when needing renewal part, for the ease of Dismounting protection board, protection board is made up of elastic metallic, and to fit for opening shape and latch fitting and embed the two ends of draw roll be flat Row end, it is to avoid carry out the connection that is screwed using screw, when maintenance and renewal part, only makes to protect with inside applying power Inwardly there is elastic deformation in backplate, you can realize the separation of protection board and frame.

Preferably, protection plate surface scribbles waterproof layer, and waterproof layer is formed by the coating of pvc material.

By adopting technique scheme, because protection board is made up of elastic metal sheet, so the water of heating tow There are certain corrosivity to protection board, in order to avoid protection board is by aqueous corrosion, in protection plate surface setting waterproof layer, waterproof layer Formed by the coating of pvc material.Waterproof layer can extend protection board with exclusion of water and protection board so that protection board has water proofing property Service life.

Preferably, the frame other end is provided with for fuel-displaced oil-out, is connected with circulation fuel feeding between oil-out and pouring orifice Machine.

By adopting technique scheme, because the rotating shaft of drafting machine is too big, artificial oiling is too bothersome, and drafting machine work Make that the time is very long, the lubricating oil being injected by pouring orifice can not using how long, so pouring orifice and oil-out it Between setting supply oil machine, by for oil machine constantly from pouring orifice lubricating oil inject clutch shaft bearing at come to lubricate clutch shaft bearing and turn Axle, it is to avoid rotating shaft leads to wear and rupture because lacking lubrication；The lubricating oil of oil-out drippage is reclaimed again for oil machine, so follows Ring.

Preferably, oil-out is to be obliquely installed from inside to outside.

By adopting technique scheme, in order to accelerate the falling speed of lubricating oil and avoid the precipitation of lubricating oil, fuel-displaced Mouth is obliquely installed from inside to outside.It is accumulated in the lubricating oil meeting leakage lip ring between clutch shaft bearing and rotating shaft, lead to moisten Lubricating oil is thrown out of latch fitting, leads to tow to be contaminated.

Preferably, the edge of connecting plate has recess, and frame is provided with projection, and projection is right against recess, and the shape with recess Shape is identical with size.

It is threadably secured connection by adopting technique scheme, connecting plate and frame, because connecting plate is heavier, When laying, the screw thread mouth be aligned of connecting plate and frame is relatively difficult, with the recess of connecting plate and the projection phase interworking of frame Conjunction is fixed, and the threaded mouth between connecting plate and frame just can accurately be found.

Preferably, projection tapers into from interior to outer section radius.

By adopting technique scheme, projection tapers into from interior to outer section radius, and the shape of recess and projection Shape is identical with size, so that connecting plate and frame can carry out the school of screw thread mouth quickly through the cooperation of recess and projection Accurate.

In sum, this utility model has the advantages that：In latch fitting setting O-ring seal, sealing block and Get rid of oil sheet to completely cut off the lubricating oil flowing at clutch shaft bearing, it is to avoid lubricating oil throws away so that being thrown at latch fitting and protection board The pollution of tow is caused on tow.In the frame outside latch fitting, setting surface scribbles the protection board of the elastic metallic of waterproof layer, The corrosion to latch fitting for the tow with moisture can be avoided.By on the recess and frame at connecting plate edge from interior to outer section The speed cooperation of projection that radius tapers into it is achieved that screw thread mouth between connecting plate and frame quickly calibrated.

Brief description

Fig. 1 is the front view of drafting machine mechanism；

Fig. 2 is enlarged drawing at A in Fig. 1；

Fig. 3 is the enlarged drawing at connecting plate in Fig. 1；

Fig. 4 is the structure chart of protection board；

Fig. 5 is drafting machine original structure enlarged drawing in Fig. 1.

Reference：1st, frame；101st, projection；2nd, clutch shaft bearing；3rd, rotating shaft；4th, connecting plate；41st, recess；5th, draw roll； 6th, pouring orifice；7th, latch fitting；8th, O-ring seal；10th, protection board；11st, sealing block；12nd, waterproof layer；13rd, oil-out；14th, fuel feeding Machine；15th, groove；16th, supports block；17th, get rid of oil sheet；18th, second bearing；19th, boss.

Specific embodiment

Below in conjunction with accompanying drawing, this utility model is described in further detail.

Embodiment one

Fig. 1, shown in 3, a kind of drafting machine, including frame 1, setting clutch shaft bearing 2, clutch shaft bearing 2 inner sleeve rotating shaft in frame 1 3, the two ends of rotating shaft 3 connect draw roll 5 and the drive mechanism rotating for drive shaft 3, inside the built-in frame 1 of rotating shaft 3 respectively And closed using connecting plate 4.Drive mechanism includes motor and reduction box is fixedly connected on drive roll, drive roll and carry rotating shaft Driving roller gear transmission.The edge of connecting plate 4 is symmetrical arranged recess 41, and frame 1 surface arranges projection 101, when connecting plate 4 He Frame 1 will carry out when screw thread mouth calibration and then be screwed both, closed by the cooperation of recess 41 and projection 101 System, can quickly carry out the calibration of screw thread mouth, and projection 101 section radius taper into from inside to outside, must improve further Connecting plate 4 and frame 1 fixed speed.

Draw roll 5 overcoat rotating shaft 3, so second bearing 18 is between latch fitting 7 and sealing block 11.Drafting machine is due to carrying For the drafting force of the motion of million denier tow, thus very high to the rotating requires between clutch shaft bearing 2 and rotating shaft 3, and Under the radial direction of tow drives, rotating shaft 3 has a radial frictional force to clutch shaft bearing 2, in order to extend the service life of rotating shaft 3, machine Frame 1 surface arranges pouring orifice 6, and lubricating oil is entered by pouring orifice 6, flows into and is lubricated, so between clutch shaft bearing 2 and rotating shaft 3 The oil-out 13 passing through afterwards to tilt in the from-inner-to-outer of frame 1 opposite side setting is discharged.Between pouring orifice 6 and oil-out 13 It is connected to the confession oil machine 14 that lubricating oil is circulated, lubricating oil can be provided with unremitting counter extensioin machine for oil machine 14, make The service life obtaining rotating shaft 3 is extended.Among this process, after lubricating oil wants the gap by rotating shaft 3 and boss 19, Then, be thrown out of under the drive of centrifugal force by the joint gap between clutch shaft bearing 2 and draw roll 5 clutch shaft bearing 2 it Outward, or even fall on the tow that draw roll 5 is driving, cause the pollution of product.

So arranging boss 19 between clutch shaft bearing 2 and draw roll 5, supports block 16, supports block are set between boss 19 and frame 16 effects are to prevent clutch shaft bearing 2 from moving axially, and the threaded sealing block 11 being close to clutch shaft bearing 2, close The edge setting groove 15 of envelope block 11, groove 15 is towards one end of clutch shaft bearing 2 and close with boss 19 positioned at sealing block 11, Increase O-ring seal 8 to increase the sealing function of sealing block 11 in groove 15.Oil sheet is got rid of in the other end setting of sealing block 11 17, get rid of oil sheet 17 and sealing block 11 carries out threaded, and the and same center of circle of sealing block 11.Getting rid of oil sheet 17 can be further Sealing pivot 3 prevents oil leakage.

As shown in Fig. 1,2,4, the tow of drawing-off machine travel is with moisture, in order to prevent water from the protection of latch fitting 7 is existed Protective jacket 9, the outer setting protection board 10 of protective jacket 9 are arranged on frame 1, protection board 10 is parallel to each other for two ends and is attached to frame 1 On, its surface applies one layer of waterproof layer 12 by the coating of pvc film；And it is supported by elastic metal sheet, simplify itself and machine The fixed form of frame 1.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make to the present embodiment after reading this specification as needed does not have the modification of creative contribution, but As long as all being protected by Patent Law in right of the present utility model.

Claims (9)

1. a kind of drafting machine, including frame（1）, frame（1）It is built-in with clutch shaft bearing（2）, clutch shaft bearing（2）Inside it is cased with rotating shaft, Rotating shaft（3）One end be provided with for sealing frame（1）Connecting plate（4）, outside the other end, it is cased with draw roll（5）, frame（1）On open Have for clutch shaft bearing（2）The pouring orifice of oiling（6）, clutch shaft bearing（2）Side is provided with inner sleeve clutch shaft bearing（2）Boss （19）, described boss（19）And frame（1）Between be fixed with for axially propping up clutch shaft bearing（2）Supports block（16）, described support Block（16）Screw thread is connected with for sealing pivot（3）Sealing block（11）, sealing block（11）Screw thread is connected with for being close to rotating shaft（3）'s Get rid of oil sheet（17）, described get rid of oil sheet（17）It is located near draw roll（5）One end setting, sealing block（11）It is cased with outward second bearing （18）, described second bearing（18）It is fixed with latch fitting outward, the threaded frame of described latch fitting（1）.

2. drafting machine according to claim 1, is characterized in that：Described sealing block（11）One end of laminating rotating shaft is provided with groove （15）, described groove（15）Inside it is provided with O-ring seal（8）, described O-ring seal（8）And boss（19）And sealing block（11） Between.

3. drafting machine according to claim 1, is characterized in that：Described latch fitting（7）It is externally provided with the protection board for waterproof （10）, it is embedded in draw roll（5）Edge.

4. drafting machine according to claim 3, is characterized in that：Described protection board（10）For opening shape, and its two ends While being parallel to each other, and it is close to frame（1）Surface, described protection board（10）It is made up of elastic metal sheet.

5. drafting machine according to claim 4, is characterized in that：Described protection board（10）Surface scribbles waterproof layer（12）, institute State waterproof layer（12）Formed by the coating of pvc material.

6. drafting machine according to claim 1, is characterized in that：Described frame（1）The other end is provided with for fuel-displaced fuel-displaced Mouthful（13）, described oil-out（13）And pouring orifice（6）Between be connected with circulation and supply oil machine（14）.

7. drafting machine according to claim 6, is characterized in that：Described oil-out（13）For being obliquely installed from inside to outside.

8. drafting machine according to claim 1, is characterized in that：Described connecting plate（4）Edge have recess（41）, described Frame（1）It is provided with projection（101）, described projection（101）It is right against recess（41）, and and recess（41）Shapes and sizes phase With.

9. drafting machine according to claim 8, is characterized in that：Described projection（101）Gradually become from interior to outer section radius Little.