CN106704592A - Shaft end sealing device for main shaft of mixer - Google Patents

Shaft end sealing device for main shaft of mixer Download PDF

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Publication number
CN106704592A
CN106704592A CN201611144983.1A CN201611144983A CN106704592A CN 106704592 A CN106704592 A CN 106704592A CN 201611144983 A CN201611144983 A CN 201611144983A CN 106704592 A CN106704592 A CN 106704592A
Authority
CN
China
Prior art keywords
sealing
block set
oil
sealing block
annular groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611144983.1A
Other languages
Chinese (zh)
Inventor
周瑞
孙桂芳
张尉
王国龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU LIANGUAN MACHINERY Co Ltd
Original Assignee
JIANGSU LIANGUAN MACHINERY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU LIANGUAN MACHINERY Co Ltd filed Critical JIANGSU LIANGUAN MACHINERY Co Ltd
Priority to CN201611144983.1A priority Critical patent/CN106704592A/en
Publication of CN106704592A publication Critical patent/CN106704592A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/162Special parts or details relating to lubrication or cooling of the sealing itself

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Sealing Devices (AREA)

Abstract

The invention discloses a shaft end sealing device for a main shaft of a mixer. The shaft end sealing device comprises a mixer barrel body provided with a sealing sleeve base and the main shaft of which the shaft end movably penetrates through the sealing sleeve base, wherein the shaft end of the main shaft in the sealing sleeve base is sleeved with a shaft sleeve which is matched with the sealing sleeve base in a sealed manner; a first annular groove, a second annular groove and a third annular groove are sequentially formed in the inner wall of the sealing sleeve base from top to bottom; an annular air chamber which is sued for sealing a clearance between the shaft sleeve and the sealing sleeve base is formed between the first annular groove and the shaft sleeve; an air inlet passage which communicates with the annular air chamber and an air source is arranged in the sealing sleeve base; a felt collar oil seal which is used for sealing the clearance between the shaft sleeve and the sealing sleeve base is arranged in the second annular groove; and a frame-type oil seal component which is used for sealing the clearance between the shaft sleeve and the sealing sleeve base is arranged in the third annular groove. The shaft end sealing device has the advantages that the structure is simple; assembly and maintenance are convenient; and a sealing effect is good.

Description

A kind of mixer main shaft shaft end seal device
Technical field
The present invention relates to mixer, and in particular to a kind of mixer main shaft shaft end seal device.
Background technology
The full-automatic dispensing tempering production lines of PVC are mainly used in before PVC processing and formings the quantitative configurations with various addition components With mix, with high degree of automation, control accurate, efficiency high, energy consumption it is low, it is advanced in performance reliable the features such as.PVC automatically matches somebody with somebody Material tempering production line can be divided into by function:Conveying, metering, mixing and control four processes, wherein mixed cell is mainly logical Crossing mixer carries out batch mixing.The mixing process of mixer is:First the PVC materials of granular are delivered in mixing machine drum body, is led to The rotation of mixing owner axle is crossed, it is synchronous to drive the paddle being fixed on mixer main shaft to rotate, PVC material stirrings are mixed by paddle Close.Sealing between the main shaft of mixer and the cylinder of mixer is mainly to be realized by mixer main shaft shaft end seal device , the structure of the mixer main shaft shaft end seal device for being used at present is:Including be provided with sealing block set mixing machine drum body, And shaft end activity, through the main shaft of sealing block set, the main-axis end upper sleeve gasket in sealing block set is provided with and sealing block set phase Seal the axle sleeve for coordinating.Above-mentioned mixer main shaft shaft end seal device has the drawback that:Poor sealing performance, part granular PVC materials can cause the material leakage of PVC materials by sealing between block set and axle sleeve clearance leakage to outside the cylinder of mixer.
The content of the invention
It is an object of the invention to provide a kind of mixer main shaft shaft end seal device of good sealing effect.
To achieve the above object, present invention employs following technical scheme:A kind of described mixer main-axis end sealing Device, including the movable main shaft through sealing block set of mixing machine drum body and shaft end of sealing block set is installed, in sealing block set Interior main-axis end upper sleeve gasket is provided with and seals the axle sleeve that is engaged of block set, on the inwall of sealing block set from up to down according to It is secondary to be provided with first annular groove, the second annular groove and the 3rd annular groove, formed between first annular groove and axle sleeve and used With the ring-shaped air chamber in gap between sealing axle sleeve and sealing block set, connection ring-shaped air chamber is provided with sealing block set with source of the gas Inlet channel, is provided with to the felt collar oil sealing in gap between sealing axle sleeve and sealing block set, the in the second annular groove It is provided with three annular grooves to the skeleton-type oil seal component in gap between sealing axle sleeve and sealing block set.
Further, foregoing a kind of mixer main shaft shaft end seal device, wherein:The structure of skeleton-type oil seal component For:From up to down be disposed with the 3rd annular groove be laminated on together by some axial directions and can be sealed sealing axle sleeve with it is close The upper skeleton formula oil sealing group of the skeleton-type oil seal composition in gap between big envelope seat, oiling ring and it is stacked in one by some axial directions Rise and can seal sealing axle sleeve and sealing block set between gap skeleton-type oil seal composition sending down the fishbone posture oil sealing group, the oiling Left between the inner peripheral wall and axle sleeve of ring to the fuel feeding gap of upward skeleton-type oil seal group and sending down the fishbone posture oil sealing group fuel feeding, A circle annular oil groove is provided with the outer circle wall of oiling ring, annular oil cavity is formed between annular oil groove and sealing block set, It is circumferentially arranged on oiling ring to have some fuel feed holes for connecting fuel feeding gaps and annular oil cavity, it is provided with connection in sealing block set The oil inlet passage of annular oil cavity and lubricating cup.
Further, foregoing a kind of mixer main shaft shaft end seal device, wherein:It is provided with the 3rd annular groove Upper skeleton formula oil sealing group, oiling ring and sending down the fishbone posture oil sealing group can axially be held out against the hole back-up ring in the 3rd annular groove.
Further, foregoing a kind of mixer main shaft shaft end seal device, wherein:It is provided with sealing block set and is used to The quick connector of connection inlet channel and source of the gas.
By the implementation of above-mentioned technical proposal, the beneficial effects of the invention are as follows:(1)Simple structure, it is convenient to install and maintain, it is close Envelope effect it is good, can effectively prevent PVC materials mixing when from main shaft with mix machine drum body between clearance leakage to mix machine barrel In vitro;(2)By setting air chamber, the gap that can effectively prevent PVC materials from entering between axle sleeve and sealing block set again can be by PVC materials blowback into gap between axle sleeve and sealing block set is to mixer inner barrel;(3)By in skeleton-type oil seal group Part top sets felt collar oil sealing, you can further to improve the sealing between axle sleeve and sealing block set, PVC things can be avoided again Material falls into skeleton-type oil seal component and pollutes lubricating oil;(4)Skeleton-type oil seal component using upper skeleton formula oil sealing group, oiling ring and The arrangement mode of sending down the fishbone posture oil sealing group, can guarantee that and uniformly refueled to each skeleton-type oil seal, and by periodically adding to lubricating cup Lubricating oil, it is ensured that the sealing effectiveness of skeleton-type oil seal component remains optimal.
Brief description of the drawings
Fig. 1 is a kind of structural representation of mixer main shaft shaft end seal device of the present invention.
Fig. 2 is the enlarged diagram at the H positions shown in Fig. 1.
Fig. 3 is the structural representation of the oiling ring shown in Fig. 1.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, described a kind of mixer main shaft shaft end seal device, including sealing block set is installed 1 mixing machine drum body 2 and shaft end activity are close on the shaft end of main shaft 3 in sealing block set 1 through the main shaft 3 for sealing block set 1 Big envelope is provided with the axle sleeve 4 being engaged with sealing block set 1, and the first ring is from up to down disposed with the inwall of sealing block set 1 Connected in star, the second annular groove and the 3rd annular groove, between first annular groove and axle sleeve 4 formed to sealing axle sleeve 4 with The ring-shaped air chamber 5 in gap between sealing block set 1, is provided with the inlet channel of connection ring-shaped air chamber 5 and source of the gas in sealing block set 1 6, it is provided with the second annular groove to the felt collar oil sealing 7 in gap between sealing axle sleeve 4 and sealing block set 1, in the 3rd ring It is provided with connected in star to the skeleton-type oil seal component in gap between sealing axle sleeve 4 and sealing block set 1;In the present embodiment, The structure of skeleton-type oil seal component is:From up to down it is disposed with the 3rd annular groove and is laminated on together by three axial directions And the upper skeleton formula oil sealing group 8, oiling ring of the skeleton-type oil seal composition in gap between sealing axle sleeve 4 and sealing block set 1 can be sealed 9 and by two axial directions be laminated on together and sealing axle sleeve 4 can be sealed and sealing block set 1 between gap skeleton-type oil seal group Into sending down the fishbone posture oil sealing group 10, left to upward skeleton-type oil seal group between the inner peripheral wall and axle sleeve 4 of the oiling ring 9 8 and the fuel feeding gap 11 of the fuel feeding of sending down the fishbone posture oil sealing group 10, a circle annular oil groove is provided with the outer circle wall of oiling ring 9, Annular oil cavity 12 is formed between annular oil groove and sealing block set 1, it is circumferentially arranged on oiling ring 9 to have some connection fuel feeding gaps 11 with the fuel feed hole 13 of annular oil cavity 12, the oil inlet passage of connection annular oil cavity 12 and lubricating cup 14 is provided with sealing block set 1 15, above-mentioned skeleton-type oil seal modular construction is simple, convenient to install and maintain;In the present embodiment, set in the 3rd annular groove Having, upper skeleton formula oil sealing group 8, oiling ring 9 and sending down the fishbone posture oil sealing group 10 can axially be held out against the hole use in the 3rd annular groove Back-up ring 16, so it is possible to prevente effectively from upper skeleton formula oil sealing group 8, oiling ring 9 and sending down the fishbone posture oil sealing group 10 were rotated in main shaft 3 There is axial float in the 3rd annular groove in journey, substantially increase the stability of main shaft shaft end seal device;In this implementation In example, it is provided with to connect the quick connector 17 of inlet channel 15 and source of the gas in sealing block set 1.It is an advantage of the invention that: (1)Simple structure, convenient to install and maintain, good sealing effect, can effectively prevent PVC materials mixing when from main shaft with mix machine barrel Clearance leakage between body is to outside mixing machine drum body;(2)By setting air chamber, can effectively prevent PVC materials enter axle sleeve with Gap between sealing block set, can enter the PVC materials blowback in gap between axle sleeve and sealing block set to mixing machine barrel again Internal portion;(3)By setting felt collar oil sealing above skeleton-type oil seal component, you can further to improve axle sleeve with sealing block set Between sealing, PVC materials can be avoided to fall into skeleton-type oil seal component again pollute lubricating oil;(4)Skeleton-type oil seal group Part can guarantee that and given each skeleton-type oil seal using the arrangement mode of upper skeleton formula oil sealing group, oiling ring and sending down the fishbone posture oil sealing group It is uniform to refuel, and by periodically adding lubricating oil to lubricating cup, it is ensured that the sealing effectiveness of skeleton-type oil seal component is remained most It is good.

Claims (4)

1. a kind of mixer main shaft shaft end seal device, including mixing machine drum body and the shaft end activity for being provided with sealing block set Through the main shaft of sealing block set, the main-axis end upper sleeve gasket in sealing block set is provided with the axle sleeve being engaged with sealing block set, It is characterized in that:First annular groove, the second annular groove and the are from up to down disposed with the inwall of sealing block set Three annular grooves, form to the annular gas in gap between sealing axle sleeve and sealing block set between first annular groove and axle sleeve Room, is provided with the inlet channel of connection ring-shaped air chamber and source of the gas in sealing block set, is provided with the second annular groove and is used to The felt collar oil sealing in gap between sealing axle sleeve and sealing block set, is provided with to sealing axle sleeve and sealing in the 3rd annular groove The skeleton-type oil seal component in gap between block set.
2. a kind of mixer main shaft shaft end seal device according to claim 1, it is characterised in that:Skeleton-type oil seal component Structure be:From up to down it is disposed with the 3rd annular groove and be laminated on together by some axial directions and can be sealed seal shaft The upper skeleton formula oil sealing group of the skeleton-type oil seal composition in gap between set and sealing block set, oiling ring and folded by some axial directions Layer together and can seal sealing axle sleeve and sealing block set between gap skeleton-type oil seal composition sending down the fishbone posture oil sealing group, institute State the confession left between the inner peripheral wall of oiling ring and axle sleeve to upward skeleton-type oil seal group and sending down the fishbone posture oil sealing group fuel feeding Oil-gap, is provided with a circle annular oil groove on the outer circle wall of oiling ring, and annular is formed between annular oil groove and sealing block set Oil pocket, it is circumferentially arranged on oiling ring to have some fuel feed holes for connecting fuel feeding gaps and annular oil cavity, set in sealing block set It is equipped with the oil inlet passage of connection annular oil cavity and lubricating cup.
3. a kind of mixer main shaft shaft end seal device according to claim 2, it is characterised in that:In the 3rd annular groove In be provided with and upper skeleton formula oil sealing group, oiling ring and sending down the fishbone posture oil sealing group can axially be held out against the hole in the 3rd annular groove Use back-up ring.
4. a kind of mixer main shaft shaft end seal device according to claim 1, it is characterised in that:Set in sealing block set It is equipped with to connect the quick connector of inlet channel and source of the gas.
CN201611144983.1A 2016-12-13 2016-12-13 Shaft end sealing device for main shaft of mixer Pending CN106704592A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611144983.1A CN106704592A (en) 2016-12-13 2016-12-13 Shaft end sealing device for main shaft of mixer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611144983.1A CN106704592A (en) 2016-12-13 2016-12-13 Shaft end sealing device for main shaft of mixer

Publications (1)

Publication Number Publication Date
CN106704592A true CN106704592A (en) 2017-05-24

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Application Number Title Priority Date Filing Date
CN201611144983.1A Pending CN106704592A (en) 2016-12-13 2016-12-13 Shaft end sealing device for main shaft of mixer

Country Status (1)

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CN (1) CN106704592A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107350965A (en) * 2017-08-26 2017-11-17 广东利迅达机器人***股份有限公司 A kind of rotary-grinding equipment
CN110215978A (en) * 2019-06-27 2019-09-10 广州市联冠机械有限公司 A kind of shaft jumping mechanism
CN110513480A (en) * 2019-09-10 2019-11-29 江苏神农灭菌设备股份有限公司 A kind of clinical waste crushes the main shaft sealing construction in sterilizing cabinet
CN111486232A (en) * 2019-01-29 2020-08-04 河南玖龙塑料科技有限公司 Self-lubricating powder leakage prevention high-speed mixer

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921962A (en) * 1973-11-10 1975-11-25 Elba Werk Maschinen Gmbh & Co Shaft mounting for cement mixer or the like
CN2268153Y (en) * 1996-11-04 1997-11-19 江苏白熊机械(集团)公司 Mainshaft sealing device of mixing machine
JP2001254837A (en) * 2000-03-08 2001-09-21 Shimadaya Corp Shaft sealing structure for container fixing type mixer to be used for food processing
CN2623974Y (en) * 2003-02-21 2004-07-07 上海振华港口机械(集团)股份有限公司 Double skeletons sealing apparatus at decelerator shaft ends
CN2738974Y (en) * 2004-11-12 2005-11-09 上海泓阳机械有限公司 Air-blowing leakage-stopping device of plastic raw-material mixing-agitating machine
CN102996800A (en) * 2012-10-29 2013-03-27 张家港市亿利机械有限公司 Main shaft sealing device of high-speed mixer
CN103122999A (en) * 2011-11-18 2013-05-29 溧阳市鸿岳机械制造有限公司 Novel sealing mechanism for shaft end of mixing machine
CN203906802U (en) * 2014-06-12 2014-10-29 麦科威(昆山)机械有限公司 Main shaft sealing structure of plastic high-speed mixing machine
CN204647317U (en) * 2015-05-30 2015-09-16 中铁二十局集团西安工程机械有限公司 A kind of mortar vehicle sealing structure of shaft end
CN206398075U (en) * 2016-12-13 2017-08-11 江苏联冠机械有限公司 A kind of mixer main shaft shaft end seal device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921962A (en) * 1973-11-10 1975-11-25 Elba Werk Maschinen Gmbh & Co Shaft mounting for cement mixer or the like
CN2268153Y (en) * 1996-11-04 1997-11-19 江苏白熊机械(集团)公司 Mainshaft sealing device of mixing machine
JP2001254837A (en) * 2000-03-08 2001-09-21 Shimadaya Corp Shaft sealing structure for container fixing type mixer to be used for food processing
CN2623974Y (en) * 2003-02-21 2004-07-07 上海振华港口机械(集团)股份有限公司 Double skeletons sealing apparatus at decelerator shaft ends
CN2738974Y (en) * 2004-11-12 2005-11-09 上海泓阳机械有限公司 Air-blowing leakage-stopping device of plastic raw-material mixing-agitating machine
CN103122999A (en) * 2011-11-18 2013-05-29 溧阳市鸿岳机械制造有限公司 Novel sealing mechanism for shaft end of mixing machine
CN102996800A (en) * 2012-10-29 2013-03-27 张家港市亿利机械有限公司 Main shaft sealing device of high-speed mixer
CN203906802U (en) * 2014-06-12 2014-10-29 麦科威(昆山)机械有限公司 Main shaft sealing structure of plastic high-speed mixing machine
CN204647317U (en) * 2015-05-30 2015-09-16 中铁二十局集团西安工程机械有限公司 A kind of mortar vehicle sealing structure of shaft end
CN206398075U (en) * 2016-12-13 2017-08-11 江苏联冠机械有限公司 A kind of mixer main shaft shaft end seal device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107350965A (en) * 2017-08-26 2017-11-17 广东利迅达机器人***股份有限公司 A kind of rotary-grinding equipment
CN111486232A (en) * 2019-01-29 2020-08-04 河南玖龙塑料科技有限公司 Self-lubricating powder leakage prevention high-speed mixer
CN110215978A (en) * 2019-06-27 2019-09-10 广州市联冠机械有限公司 A kind of shaft jumping mechanism
CN110513480A (en) * 2019-09-10 2019-11-29 江苏神农灭菌设备股份有限公司 A kind of clinical waste crushes the main shaft sealing construction in sterilizing cabinet

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RJ01 Rejection of invention patent application after publication

Application publication date: 20170524

RJ01 Rejection of invention patent application after publication