CN102777607B - Hydraulic sealing device for shaft end of internal mixing rotor of internal mixer - Google Patents
Hydraulic sealing device for shaft end of internal mixing rotor of internal mixer Download PDFInfo
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- CN102777607B CN102777607B CN201210295230.6A CN201210295230A CN102777607B CN 102777607 B CN102777607 B CN 102777607B CN 201210295230 A CN201210295230 A CN 201210295230A CN 102777607 B CN102777607 B CN 102777607B
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- outer cylinder
- annular plunger
- oil
- inner cylinder
- hydraulic
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a hydraulic sealing device for a shaft end of an internal mixing rotor of an internal mixer. The hydraulic sealing device comprises an outer cylinder barrel arranged at the shaft end of the internal mixing rotor and an inner cylinder sleeve arranged in the outer cylinder barrel; an annular plunger and a pulsating oil filling pipe arranged at one end of the annular plunger are arranged between the inner cylinder sleeve and the outer cylinder barrel; and the annular plunger is internally provided with an oil filling pipeline communicated with the pulsating oil filling pipe, the other end of the annular plunger is provided with a joint sealing ring in which a hydraulic oil duct communicated with the oil filling pipeline and a seepage oil cavity communicated with the hydraulic oil duct are arranged, and a seepage oil packing is arranged in the seepage oil cavity. By virtue of a hydraulic sealing structure of a hydraulic cylinder sleeve composed of the outer cylinder barrel and the inner cylinder sleeve and through oil filling and the effect of the seepage oil packing, the hydraulic sealing device has the advantages of keeping constant-pressure stable sealing, adjusting the specific pressure, ensuing no eccentric wear of a sealing element and reliability in sealing, prolonging the service life of the internal mixer, ensuring the operation of a machine and increasing the work efficiency.
Description
Technical field
The present invention relates to technical field of mechanical equipment, be specifically related to a kind of banbury mixing rotor axle head hydraulic seal device.
Background technique
Banbury is one of compounding capital equipment of plastics, can be divided into intermittent type and continous way two class by working principle.It is made up of banburying chamber, mixing rotor, upper top-bolt (material pressing device), lower top bolt (discharge mechanism), heating-cooling device and transmission system etc.During existing banbury work, mention when pressure head and add material by loading hopper, pressure head presses down fills it up with mixing room, and pressure head closes mixing room.Traditional banbury mixing rotor sealing structure of shaft end is responsible for, and sealing effect is poor, and under long term high temperature, seal ring easily damages, and reduces the working life of seal ring; And sealing keeps constant voltage unstable, and make Sealing eccentric wear, it is reliably poor to seal, and greatly reduces working life and the working efficiency of banbury.
Summary of the invention
For the deficiency that prior art exists, the present invention seeks to be to provide a kind of banbury mixing rotor axle head hydraulic seal device, which employs sleeve cylinder hydraulic seal, make sealing keep constant-pressure stable, specific pressure is adjustable, makes Sealing not eccentric wear, sealing is reliable, extends working life.
To achieve these goals, the present invention realizes by the following technical solutions:
Banbury mixing rotor axle head hydraulic seal device, it comprises the outer cylinder being arranged on mixing rotor axle head and the inner cylinder liner be arranged in outer cylinder; Annular plunger and the pulsation oil filler pipe being arranged on annular plunger at one end is provided with between described inner cylinder liner and outer cylinder; The oiling pipeline being communicated with pulsation oil filler pipe is set in described annular plunger, the other end of described annular plunger is provided with involutory seal ring, the hydraulic pressure oil duct being communicated with oiling pipeline and the oil pocket that oozes be communicated with hydraulic pressure oil duct is provided with in described involutory seal ring, at the described oil pocket that oozes, the food tray root that oozes is installed, the hydraulic sleeve cylinder sealing configuration formed by outer cylinder and inner cylinder liner, make it make sealing keep constant-pressure stable, sealing is reliable, extends working life.
Further, the outer end of described outer cylinder and inner cylinder liner is provided with pulsation oil-filling type locking plate, and described outer cylinder and inner cylinder liner are connected as a single entity by pulsation oil-filling type locking plate.
As preferentially, between described outer cylinder and inner cylinder liner, be also provided with ○-shaped seal ring, this ○-shaped seal ring is arranged on the other end of annular plunger.
As preferentially, described pulsation oil filler pipe is also provided with ○-shaped seal ring with pulsation oil-filling type locking plate interior edge face delivery position place.
As preferentially, described annular plunger at one end is also provided with parallel key, and described parallel key is fixed on inner cylinder liner by sunk screw.
As preferentially, what described outer cylinder adopted is lead key formula outer cylinder, and what described inner cylinder liner adopted is lead key formula inner sleeve cylinder, and what described annular plunger adopted is lead key formula annular plunger.
The hydraulic cylinder cylinder hydraulic sealing structure that the present invention is consisted of outer cylinder and inner cylinder liner, by under oiling and food tray root effect of oozing, it is made to make sealing keep constant-pressure stable, specific pressure is adjustable, and making Sealing not eccentric wear, sealing is reliable, extends the working life of banbury, ensure that machine runs, improve working efficiency.
Accompanying drawing explanation
The present invention is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
See figures.1.and.2, the present embodiment is to provide a kind of good sealing effect, reliable and stable banbury mixing rotor axle head hydraulic seal device, and it comprises the outer cylinder 7 being arranged on mixing rotor axle head and the inner cylinder liner 14 be arranged in outer cylinder 7, between inner cylinder liner 14 and outer cylinder 7, be provided with annular plunger 10 and be arranged on annular plunger 10 one end namely near the pulsation oil filler pipe 11 of inner cylinder liner 14 outer end, the oiling pipeline being communicated with pulsation oil filler pipe 11 is processed with in annular plunger 10, this oiling pipeline docks with pulsation oil filler pipe 11, in the other end of described annular plunger 10, involutory seal ring 5 is installed, the hydraulic pressure oil duct being communicated with oiling pipeline and the oil pocket that oozes be communicated with hydraulic pressure oil duct is provided with in this involutory seal ring 5, this conjunction seal ring 5 is fixed by locating stud 4 with annular plunger 10, at the described oil pocket that oozes, the food tray root 6 that oozes is installed, the hydraulic cylinder cylinder sealing configuration that this enforcement is consisted of outer cylinder 7 and inner cylinder liner 14, under hydraulic oil and the food tray root 6 that oozes act on, it is made to make sealing keep constant-pressure stable, sealing is reliable, extend working life.
In the present embodiment, the outer end of outer cylinder 7 and inner cylinder liner 14 is also provided with pulsation oil-filling type locking plate 13, for being fixedly connected with outer cylinder 7 and inner cylinder liner 14, and being fixed on outer cylinder 7 and inner cylinder liner 14 by hexagon socket cap head screw 15, making it be connected as a single entity with pulsation oil-filling type locking plate 13.What the outer cylinder 7 of the present embodiment adopted is lead key formula outer cylinder, and what inner cylinder liner 14 adopted is lead key formula inner sleeve cylinder, and what annular plunger 10 adopted is lead key formula annular plunger, easy to use, increases the effect of sealing.
As preferentially, namely the other end being positioned at circular column plug 10 between outer cylinder 7 and inner cylinder liner 14 is also provided with ○-shaped seal ring 3, this ○-shaped seal ring 3 is arranged on the end face inside of outer cylinder 7, the position corresponding with it, the inner outside of inner cylinder liner 14 is provided with ○-shaped seal ring 9, increases mixing rotor axle head joint sealing effect further.In addition, pulsation oil filler pipe 11 is also provided with ○-shaped seal ring 12 with the interior edge face delivery position place of pulsation oil-filling type locking plate 13, the oiling pipeline of annular plunger 10 and involutory seal ring 5 end face delivery position are provided with ○-shaped seal ring 8.
Annular plunger 10 one end is provided with parallel key 1, and the stepped slot that on this annular plunger 10 one end, processing and parallel key 1 offset, this annular plunger at one end, parallel key 1 are fixed on inner cylinder liner 7 outer surface by crossed countersunk head screw 2.
Outer cylinder 14 is also processed with pouring orifice 16, and this pouring orifice 16 is arranged on the position that pulsation oil filler pipe 11 joins with oiling pipeline, and being convenient to oiling increases sealing between its barrel.
For ease of adjustment mixing rotor shaft end pressure, the configurable pressure gauge of this hydraulic seal device, makes its specific pressure adjustable, and shows, adjustable at any time.
When the present embodiment uses, be arranged on mixing rotor axle head by inner cylinder liner, under the effect of pulsation oil filler pipe fluid injection force feed, improve mixing rotor shaft end seal effective; By under oiling and food tray root effect of oozing, make it make sealing keep constant-pressure stable, specific pressure is adjustable, and makes Sealing not eccentric wear, and sealing is reliable, extends the working life of banbury, ensure that machine runs, improve working efficiency.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (1)
1. banbury mixing rotor axle head hydraulic seal device, is characterized in that, it comprises the outer cylinder being arranged on mixing rotor axle head and the inner cylinder liner be arranged in outer cylinder, annular plunger and the pulsation oil filler pipe being arranged on annular plunger at one end is provided with between described inner cylinder liner and outer cylinder, the oiling pipeline being communicated with pulsation oil filler pipe is set in described annular plunger, the other end of described annular plunger is provided with involutory seal ring, the hydraulic pressure oil duct being communicated with oiling pipeline and the oil pocket that oozes be communicated with hydraulic pressure oil duct is provided with in described involutory seal ring, at the described oil pocket that oozes, the food tray root that oozes is installed, the outer end of described outer cylinder and inner cylinder liner is provided with pulsation oil-filling type locking plate, described outer cylinder and inner cylinder liner are connected as a single entity by pulsation oil-filling type locking plate, also ○-shaped seal ring is provided with between described outer cylinder and inner cylinder liner, this ○-shaped seal ring is arranged on the other end of annular plunger, described pulsation oil filler pipe is also provided with ○-shaped seal ring with pulsation oil-filling type locking plate interior edge face delivery position place, described annular plunger at one end is also provided with parallel key, described parallel key is fixed on inner cylinder liner by sunk screw, what described outer cylinder adopted is lead key formula outer cylinder, what described inner cylinder liner adopted is lead key formula inner sleeve cylinder, what described annular plunger adopted is lead key formula annular plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210295230.6A CN102777607B (en) | 2012-07-30 | 2012-07-30 | Hydraulic sealing device for shaft end of internal mixing rotor of internal mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210295230.6A CN102777607B (en) | 2012-07-30 | 2012-07-30 | Hydraulic sealing device for shaft end of internal mixing rotor of internal mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102777607A CN102777607A (en) | 2012-11-14 |
| CN102777607B true CN102777607B (en) | 2015-04-22 |
Family
ID=47122641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210295230.6A Expired - Fee Related CN102777607B (en) | 2012-07-30 | 2012-07-30 | Hydraulic sealing device for shaft end of internal mixing rotor of internal mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102777607B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10029305A1 (en) * | 2000-01-25 | 2001-12-20 | Ludwig Oberhauser | Seal assembly for a piston within a cylinder has an additional ring seal activated by an external radial force to move or distort it against the piston rod in an emergency or for repair without damaging the primary seal |
| CN2760342Y (en) * | 2004-12-13 | 2006-02-22 | 天津渤天化工有限责任公司 | Pressure compensation type hydraulic cylinder sealing device |
| CN200961699Y (en) * | 2006-10-24 | 2007-10-17 | 益阳橡胶塑料机械集团有限公司 | Internal mixer rotor shaft seal |
| CN201950742U (en) * | 2010-12-16 | 2011-08-31 | 青岛新华青橡胶机械有限公司 | Oil filling sealing device for rubber-plastic pressurizing turnover internal mixer |
| CN202318628U (en) * | 2011-11-04 | 2012-07-11 | 王继善 | Milling machine with shaft end sleeve piston type hydraulic sealing structure |
| CN202746591U (en) * | 2012-07-30 | 2013-02-20 | 昆山科信橡塑机械有限公司 | Internal rotor shaft end hydraulic sealing device for internal mixer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004031020B4 (en) * | 2004-06-26 | 2019-11-14 | Solvay Fluor Gmbh | sealing arrangement |
-
2012
- 2012-07-30 CN CN201210295230.6A patent/CN102777607B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10029305A1 (en) * | 2000-01-25 | 2001-12-20 | Ludwig Oberhauser | Seal assembly for a piston within a cylinder has an additional ring seal activated by an external radial force to move or distort it against the piston rod in an emergency or for repair without damaging the primary seal |
| CN2760342Y (en) * | 2004-12-13 | 2006-02-22 | 天津渤天化工有限责任公司 | Pressure compensation type hydraulic cylinder sealing device |
| CN200961699Y (en) * | 2006-10-24 | 2007-10-17 | 益阳橡胶塑料机械集团有限公司 | Internal mixer rotor shaft seal |
| CN201950742U (en) * | 2010-12-16 | 2011-08-31 | 青岛新华青橡胶机械有限公司 | Oil filling sealing device for rubber-plastic pressurizing turnover internal mixer |
| CN202318628U (en) * | 2011-11-04 | 2012-07-11 | 王继善 | Milling machine with shaft end sleeve piston type hydraulic sealing structure |
| CN202746591U (en) * | 2012-07-30 | 2013-02-20 | 昆山科信橡塑机械有限公司 | Internal rotor shaft end hydraulic sealing device for internal mixer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102777607A (en) | 2012-11-14 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20190730 |