CN207715748U - Shaft end seal lubrication system and modulating device - Google Patents

Abstract

The utility model discloses a kind of shaft end seal lubrication system and modulating device, including rotating body, the rotating body includes main shaft, is set on the main shaft and the modulation cylinder equipped with end flange and set are fixed in the axle sleeve on the main shaft；Seal receptacle, the sealed socket sleeve are located on the axle sleeve and are connect with the end flange；First axle end seal, the first axle end seal sealing, which is supported, to be set between the seal receptacle and the axle sleeve；And the second shaft end seal part, the second shaft end seal part sealing support be set to it is between the seal receptacle and the axle sleeve and coaxially arranged with the first axle end seal.Thus, it is possible to form two seals in axial direction; it effectively prevent the stirring material in modulation cylinder to be leaked out between seal receptacle and axle sleeve, avoids the occurrence of material waste and environmental pollution, while the processing performance and reliability of lifting means; reduce shutdown and maintenance time, it is ensured that processing efficiency.

Description

Shaft end seal lubrication system and modulating device

Technical field

The utility model is related to technical field of sealing technology, more particularly to a kind of shaft end seal lubrication system and modulating device.

Background technology

The sealing structure of shaft end of existing modulator is：The axle sleeve coordinated with main shaft transition, end are housed at main shaft both ends Ring flange is bolted on the both ends of modulator cylinder, and seal receptacle is fixed on end flange disk by end plate and bolt.Axis Set and seal receptacle use graphite fibre as the sealing of sealing element realization circumferencial direction in circumferencial direction.

However the shortcomings that tradition sealing structure of shaft end, is：Due to the particularity of operating condition so that main shaft and flange Serious deterioration can occur under the influence of the long-time of high temperature and moisture for the graphite fibre between disk, and size is caused to contract Become, causes inevitably occur fit clearance between main shaft and seal receptacle, can if things go on like this cause stirring in modulator cylinder It mixes material to leak out out of this gap, material waste and environmental pollution occurs, while influencing the performance and reliability of equipment.

Invention content

Based on this, the utility model can prevent from stirring it is necessary to provide a kind of shaft end seal lubrication system and modulating device It mixes material to leak, avoids the occurrence of material waste and environmental pollution, while the processing performance and reliability of lifting means.

Its technical solution is as follows：

A kind of shaft end seal lubrication system, including：

Rotating body, the rotating body include main shaft, be set on the main shaft and equipped with end flange modulation cylinder, And set is fixed in the axle sleeve on the main shaft；

Seal receptacle, the sealed socket sleeve are located on the axle sleeve and are connect with the end flange；

First axle end seal, the first axle end seal sealing, which is supported, to be set between the seal receptacle and the axle sleeve； And

Second shaft end seal part, the second shaft end seal part sealing support be set between the seal receptacle and the axle sleeve, And it is coaxially arranged with the first axle end seal.

When carrying out material stirring processing using above-mentioned shaft end seal lubrication system, by the axis that sealed socket sleeve is mounted in main shaft It puts on and is connect with end flange, can realize that installation is fixed, later by by first axle end seal and the second shaft end seal The coaxially arranged sealing of part, which is supported, to be set between seal receptacle and axle sleeve, close thus, it is possible to form twice (dual) in axial direction Envelope, the stirring material effectivelying prevent in modulation cylinder fit clearance between seal receptacle and axle sleeve leak out, and avoid the occurrence of material wave Take and environmental pollution, while the processing performance and reliability of lifting means, reduces and shut down and maintenance time, it is ensured that processing efficiency.

The technical solution of the application is further described below：

The seal receptacle is equipped with the first limited step, the first axle end seal and institute in one of the embodiments, State the limit cooperation of the first limited step.It can so effectively prevent under the state of running at high speed, first axle end seal occurs axial There is compressional deformation, and then influences sealing reliability in sidesway.

The seal receptacle is additionally provided with the second limited step in one of the embodiments, the second shaft end seal part with The second limited step limit cooperation.It can so effectively prevent under the state of running at high speed, week occurs for the second shaft end seal part To sidesway, there is compressional deformation, and then influence sealing reliability.

In one of the embodiments, the first axle end seal and the second shaft end seal part include main body, And the elastic sealed body being connect with the main body, the elastic sealed body are abutted with the axle sleeve elasticity.So that elasticity is close Envelope body can reliably be pressed into contact with boss surfaces always by natural resiliency retractility, to suitable for there are mismachining tolerance, peaces Main shafts and the sleeve part occasions such as error are filled, usability and reliability higher, sealing protection performance are stronger.

Further include edge face sealing member in one of the embodiments, the seal receptacle it is opposite with the end flange one Side offers seal groove, and the edge face sealing member is embedded in the seal groove and is abutted with the end flange.So can Stirring material is further prevented to be leaked between seal receptacle and end flange, the sealing protection performance of lifting means.

Further include fastener and anti-release member in one of the embodiments, the seal receptacle offers the first pilot hole, institute It states end flange and offers second pilot hole opposite with first pilot hole, the fastener, which is worn, is fixed on described first In pilot hole and second pilot hole, the anti-release member, which is supported, to be set between the fastener and the seal receptacle.So can Realize the firm installation of seal receptacle and end flange, and the connection structure is simple, is convenient to mount and dismount, and is easy to the maintenance in later stage.

Further include automatic oiling device in one of the embodiments, coordinates shape between the seal receptacle and the axle sleeve At seal oil chamber, and the seal receptacle is further opened with the oiling channel being connected to the seal oil chamber, the automatic oiling device Include the jointing connected with the oiling channel and the self-acting lubricator connected with the jointing.It so can be real Now automatically to add note lubricant grease in seal oil chamber, to make first axle end seal and the second shaft end seal part be in good In working environment, to reduce fretting wear and cause thermal damage, it is conducive to promote service life.

The inner wall in the oiling channel is equipped with the first threaded joints, the jointing in one of the embodiments, Outer wall be equipped with the second threaded joints, first threaded joints are adapted to second threaded joints and are screwed on.So The secured connection of jointing and oiling channel, and the good seal performance of junction may be implemented, while the connection structure is simple, It is convenient to mount and dismount, is cleaned convenient for the dismounting in later stage.

Further include the first rolling bearing units and the second rolling bearing units in one of the embodiments, the main shaft includes actively End and Partner, described first ushers to seat bearing holder (housing, cover) loaded on the drive end, and second rolling bearing units are set in the Partner. The firm support in both ends can be thus formed to main shaft, it is ensured that it is steady when main shaft high speed rotation, it is with small vibration.

The utility model also provides a kind of modulating device comprising shaft end seal lubrication system as described above.

When carrying out material stirring processing using above-mentioned modulating device, by the way that sealed socket sleeve is mounted on the axle sleeve of main shaft, simultaneously It is connect with end flange, can realize that installation is fixed, later by the way that first axle end seal and the second shaft end seal part is coaxial The sealing of arrangement, which is supported, to be set between seal receptacle and axle sleeve, thus, it is possible to form two seals in axial direction, effectively prevent adjusting Stirring material in cylinder processed leaks out between seal receptacle and axle sleeve, avoids the occurrence of material waste and environmental pollution, is promoted simultaneously The processing performance and reliability of equipment reduce shutdown and maintenance time, it is ensured that processing efficiency.

Description of the drawings

Fig. 1 is the structural schematic diagram of the shaft end seal lubrication system described in the utility model embodiment；

Fig. 2 is the partial enlargement structural representation at the A of Fig. 1 shown devices.

Reference sign：

100, rotating body, 110, main shaft, 120, modulation cylinder, 121, end flange, 130, axle sleeve, 200, seal receptacle, 210, the first limited step, the 220, second limited step, 230, oiling channel, 300, first axle end seal, the 400, second axis End seal, 410, main body, 420, elastic sealed body, 500, edge face sealing member, 600, fastener, 700, anti-release member, 800, close Oil sealing chamber, 900, self-acting lubricator, 1000, jointing, the 1100, first rolling bearing units, the 1200, second rolling bearing units.

Specific implementation mode

It is below in conjunction with attached drawing and specifically real to make the purpose of this utility model, technical solution and advantage be more clearly understood Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein Only to explain the utility model, the scope of protection of the utility model is not limited.

It should be noted that when element is referred to as " being fixedly arranged on ", " being set to " or " install in " another element, it can be with Directly on another element or there may also be elements placed in the middle.When an element is considered as " connection " another yuan Part, it can be directly to another element or may be simultaneously present centering elements；One element and another element The concrete mode being fixedly connected can be achieved by the prior art, and details are not described herein, it is preferred to use the fixation side of threaded connection Formula.

Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more Any and all combinations of relevant Listed Items.

" first " described in the utility model, " second " do not represent specific quantity and sequence, are only used for title It distinguishes.

As shown in Figure 1, a kind of shaft end seal lubrication system of embodiment for the utility model displaying, including：Rotation master Body 100, seal receptacle 200, first axle end seal 300 and the second shaft end seal part 400.

Wherein, the rotating body 100 includes main shaft 110, is set on the main shaft 110 and is equipped with end flange 121 Modulation cylinder 120 and set be fixed in axle sleeve 130 on the main shaft 110；In this preferred embodiment, it is three that main shaft 110, which divides, Part, front and back two parts are solid shafting, and middle section is equipped with the hollow shaft of stirrer paddle, and solid shafting is solid with welding hollow shaft It is fixed, it can so mitigate the overall weight of main shaft 110, reduce rotary inertia.In addition, the solid shaft length at both ends is different, diameter Equally, wherein longer solid shafting with motor equal power device for connecting, to obtain rotary power.The internal diameter of hollow shaft is 158.6mm, the outer 200.5mm of outer diameter, the outer of hollow shaft are wrapped circumferentially around the two-phase stainless steel plate for being welded with that thickness is 2mm.Modulate cylinder 120 are sleeved on the outside of hollow shaft section, and internal chamber is stir chamber, and stirring evenly for material is realized by stainless steel blade.

In addition, the quantity of above-mentioned seal receptacle 200, first axle end seal 300 and the second shaft end seal part 400 is two It is a, match one by one be combined into one group respectively, for being assembled with one end of main shaft 110.Knot is coordinated with the sealing of 110 one end of main shaft below It is illustrated for structure.

In one embodiment, further include fastener 600 and anti-release member 700, specific in this preferred embodiment, tightly Firmware 600 is screw, and anti-release member 700 is locked spacer；The seal receptacle 200 offers the first pilot hole, the end flange 121 offer second pilot hole opposite with first pilot hole, and the fastener 600, which is worn, is fixed on first assembly In hole and second pilot hole, the anti-release member 700, which is supported, to be set between the fastener 600 and the seal receptacle 200.So It can realize the firm installation of seal receptacle 200 and end flange 121, and the connection structure is simple, is convenient to mount and dismount, and is easy to the later stage Maintenance.First pilot hole is through-hole, and the second pilot hole is threaded hole, is screwed on fixation by screw and two threaded hole screw threads.

The seal receptacle 200 is set on the axle sleeve 130 and is connect with the end flange 121；First shaft end The sealing of sealing element 300, which is supported, to be set between the seal receptacle 200 and the axle sleeve 130；The sealing of second shaft end seal part 400 is supported It is between the seal receptacle 200 and the axle sleeve 130 and coaxially arranged with the first axle end seal 300.

When carrying out material stirring processing using above-mentioned shaft end seal lubrication system, by the way that seal receptacle 200 is sleeved on main shaft It is connect on 110 axle sleeve 130 and with end flange 121, can realize that installation is fixed, later by by first axle end seal 300 and second the coaxially arranged sealing of shaft end seal part 400 support and be set between seal receptacle 200 and axle sleeve 130, thus, it is possible to be formed Two seals in axial direction effectively prevent the stirring material in modulation cylinder 120 to be oozed between seal receptacle 200 and axle sleeve 130 It leaks out, avoids the occurrence of material waste and environmental pollution, while the processing performance and reliability of lifting means, reduce and shut down and safeguard Time, it is ensured that processing efficiency.

Further include that the first rolling bearing units 1100 and second are usherd to seat axis on the basis of the above embodiments please continue to refer to Fig. 1 1200 are held, the main shaft 110 includes drive end and Partner, and first rolling bearing units 1100 are set in the drive end, institute It states the second rolling bearing units 1200 and is set in the Partner.The firm support in both ends can be thus formed to main shaft 110, it is ensured that main shaft It is steady when 110 high speed rotation, it is with small vibration.Specifically, the first rolling bearing units 1100 and the second rolling bearing units 1200 it is optional be aligning Roller bearing is fixed for realizing main shaft 110 and the installation of engine base, can also be other types in other embodiment certainly Bearing.In addition, it should be noted that in above-mentioned mounting structure, two rolling bearing units are different, wherein being located at drive end The first rolling bearing units 1100 make main shaft 110 be not allow for moving axially, and be positioned at the second rolling bearing units 1200 of Partner Main shaft 110 can be allowed to have a small amount of axial movement, so the convenient installation site to main shaft 110 carries out flexible modulation, really Protect installation accuracy.

Please continue to refer to Fig. 2, in addition, in one embodiment, the seal receptacle 200 is equipped with the first limited step 210, institute First axle end seal 300 is stated with first limited step 210 limit to coordinate.The state of running at high speed can so be effectively prevent Under, axial sidesway occurs for first axle end seal 300, compressional deformation occurs, and then influence sealing reliability.

The seal receptacle 200 is additionally provided with the second limited step 220, and the second shaft end seal part 400 is limited with described second The position limit cooperation of step 220.It can so effectively prevent under the state of running at high speed, peripheral side occurs for the second shaft end seal part 400 It moves, compressional deformation occurs, and then influence sealing reliability.

It is further preferred that the first axle end seal 300 and the second shaft end seal part 400 include main body 410 and the elastic sealed body 420 that is connect with the main body 410, the elastic sealed body 420 supported with 130 elasticity of the axle sleeve Connect, specifically, first axle end seal 300 and the second shaft end seal part 400 it is optional be lip-type packing, i.e. oil sealing, have compared with Good wear-resistant strength and deformation nature, 130 surface of axle sleeve can be close to when running at high speed always.So that elastic sealed body 420 can reliably be pressed into contact with 130 surface of axle sleeve always by natural resiliency retractility, to suitable for there are mismachining tolerance, The occasion of 130 component of the main shafts such as installation error 110 and axle sleeve, performance and reliability higher, sealing protection performance are stronger.

Further include edge face sealing member 500 on the basis of the above embodiments, specifically, end face is close please continue to refer to Fig. 2 Sealing 500 is O-ring seal；The side opposite with the end flange 121 of the seal receptacle 200 offers seal groove, described Edge face sealing member 500 is embedded in the seal groove and is abutted with the end flange 121.It can so further prevent stirring It mixes material and is leaked between seal receptacle 200 and end flange 121, the sealing protection performance of lifting means.

In addition, further including automatic oiling device, Seal Oil is cooperatively formed between the seal receptacle 200 and the axle sleeve 130 Chamber 800, and the seal receptacle 200 is further opened with the oiling channel 230 being connected to the seal oil chamber 800, the automatic oiling Device includes the jointing connected with the oiling channel 230 and the self-acting lubricator 900 connected with the jointing. It can so realize automatically to add note lubricant grease in seal oil chamber 800, to make first axle end seal 300 and the second shaft end Sealing element 400 is in good working environment, to reduce fretting wear and cause thermal damage, is conducive to promote service life.Specifically, Self-acting lubricator 900 can provide lubricating grease and lubricate use to lip-type packing, and the supply amount of lubricating grease is 125ml, can be met The lubrication use demand of half a year, thus regular device for disassembling can not had to frequently, add lubricating grease manually, when equipment being made to have long Between continue working ability.

In the above-described embodiments, the inner wall in the oiling channel 230 is equipped with the first threaded joints, the jointing Outer wall is equipped with the second threaded joints, and first threaded joints are adapted to second threaded joints and are screwed on.So may be used To realize the secured connection of jointing and oiling channel 230, and the good seal performance of junction, while the connection structure 1000 Simply, it is convenient to mount and dismount, is cleaned convenient for the dismounting in later stage.

The utility model also provides a kind of modulating device comprising shaft end seal lubrication system as described above.

When carrying out material stirring processing using above-mentioned modulating device, by the axle sleeve that seal receptacle 200 is sleeved on to main shaft 110 It is connect on 130 and with end flange 121, can realize that installation is fixed, later by by first axle end seal 300 and second The coaxially arranged sealing of shaft end seal part 400, which is supported, to be set between seal receptacle 200 and axle sleeve 130, and thus, it is possible to form side in an axial direction To two seals, effectively prevent modulation cylinder 120 in stirring material leaked out between seal receptacle 200 and axle sleeve 130, avoid There is material waste and environmental pollution, while the processing performance and reliability of lifting means, reduce shutdown and maintenance time, it is ensured that Processing efficiency.

Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of shaft end seal lubrication system, which is characterized in that including：

Rotating body, the rotating body include main shaft, are set on the main shaft and be equipped with the modulation cylinder and set of end flange The axle sleeve being fixed on the main shaft；

Seal receptacle, the sealed socket sleeve are located on the axle sleeve and are connect with the end flange；

First axle end seal, the first axle end seal sealing, which is supported, to be set between the seal receptacle and the axle sleeve；And

Second shaft end seal part, the second shaft end seal part sealing support be set between the seal receptacle and the axle sleeve and with The first axle end seal is coaxially arranged.

2. shaft end seal lubrication system according to claim 1, which is characterized in that the seal receptacle is equipped with the first limiting stand Rank, the first axle end seal coordinate with first limited step limit.

3. shaft end seal lubrication system according to claim 1, which is characterized in that the seal receptacle is additionally provided with the second limit Step, the second shaft end seal part coordinate with second limited step limit.

4. shaft end seal lubrication system according to claim 1, which is characterized in that the first axle end seal and described Second shaft end seal part is including main body and the elastic sealed body being connect with the main body, the elastic sealed body and the axis Set elasticity abuts.

5. shaft end seal lubrication system according to claim 1, which is characterized in that further include edge face sealing member, it is described close The envelope seat side opposite with the end flange offers seal groove, and the edge face sealing member is embedded in the seal groove, simultaneously It is abutted with the end flange.

6. shaft end seal lubrication system according to claim 1, which is characterized in that further include fastener and anti-release member, institute It states seal receptacle and offers the first pilot hole, the end flange offers second pilot hole opposite with first pilot hole, The fastener, which is worn, to be fixed in first pilot hole and second pilot hole, and the anti-release member, which is supported, is set to the fastening Between part and the seal receptacle.

7. shaft end seal lubrication system according to claim 1, which is characterized in that further include automatic oiling device, it is described Cooperatively form seal oil chamber between seal receptacle and the axle sleeve, and the seal receptacle is further opened with and is connected to the seal oil chamber Oiling channel, the automatic oiling device include the jointing connected with the oiling channel and are connect with the jointing Logical self-acting lubricator.

8. shaft end seal lubrication system according to claim 7, which is characterized in that the inner wall in the oiling channel is equipped with the One threaded joints, the outer wall of the jointing are equipped with the second threaded joints, first threaded joints and described the Two threaded joints adaptation is screwed on.

9. shaft end seal lubrication system according to claim 1, which is characterized in that further include the first rolling bearing units and second Rolling bearing units, the main shaft include drive end and Partner, and the described first bearing holder (housing, cover) of usheing to seat is loaded on the drive end, and described second Rolling bearing units are set in the Partner.

10. a kind of modulating device, which is characterized in that lubricated including such as 1 to 9 any one of them shaft end seal of the claims Structure.