Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Dust seal structure of internal mixer

A mixer, closed technology, applied in the direction of mixers, engine seals, mixers with rotating stirring devices, etc.

Inactive Publication Date: 2012-12-12
MITSUBISHI HEAVY IND MACHINERY SYST LTD
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This has created issues regarding maintainability

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Dust seal structure of internal mixer
  • Dust seal structure of internal mixer
  • Dust seal structure of internal mixer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] figure 1 is a perspective sectional view showing the dust sealing structure of Embodiment 1 of the present invention. Figure 10 It is a front sectional view of the basic part of the internal mixer.

[0043] Such as Figure 10 As shown, the housing 10 of the internal mixer, the movable weight 11 and the lifting door 12 form a mixing chamber 13 with a glasses-shaped cross-section.

[0044] The two rotors 14 are disposed parallel to each other in the mixing chamber 13, and are rotated in different directions from each other by driving means (not shown motor, power transmission gear, etc.) installed at the ends of the rotation shafts 15 of the two rotors. A blade portion 16 partially protruding in the radial direction is formed in the rotor 14, and an inner wall of the mixing chamber 13 has a curved surface corresponding to a locus of the blade portion 16 when rotating.

[0045] In this mixer, when the movable weight 11 capable of ascending and descending is raised, ra...

Embodiment 2

[0052] figure 2 It is a sectional view showing the dust sealing structure of Embodiment 2 of the present invention. image 3 is the front view of the cylinder. Figure 4A is along image 3 Cross-sectional view of midline A-A. Figure 4B is along image 3 A cross-sectional view taken along the center line A-A, where the sealing member for the piston part has been changed. Figure 5 is the deformed front view of the cylinder.

[0053] The dust sealing structure of Embodiment 1 equipped with an annular rotary sealing member 27 is fixedly arranged on the rotating shaft 15 through the sleeve 26, and has a sealing surface 27a on the side opposite to the end surface of the rotor 14, and is connected to the annular cylinder 23A and is pressed in the direction of the shaft end of the rotating shaft 15. The annular fixed sealing member 28 has a sealing surface 28a in contact with the sealing surface 27a of the rotating sealing member 27 and has a tubular shape that is in sliding con...

Embodiment 3

[0063] Image 6 It is a sectional view showing the dust sealing structure of Embodiment 3 of the present invention. Figure 7 is a front sectional view of the cylinder in this embodiment. Figure 8 yes Figure 7 Sectional view of line B-B. Figure 9 It is an explanatory diagram of the piston part.

[0064] In this embodiment, the cylinder 23A including the hydraulic cylinder of Embodiment 2 is replaced by an air suspension type cylinder 23B using a rubber tube 30 or the like, the head portions 24a1, 24a2 are fixed to the outer wall surface of the casing 10 by a plurality of guides 32, and The piston parts 24b1 , 24b2 of the channel part are connected to a fixed sealing member 28 . Since other features are the same as those in Embodiment 2, repeated descriptions are omitted.

[0065] In addition to the same actions and effects as in Embodiment 2, according to the present embodiment, the effects of preventing contaminants (foreign substances in lubricating oil) from enterin...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A dust seal structure of an internal mixer including a casing (10) having a mixing chamber (13) defined therein, and a rotor (14) rotating in the mixing chamber for kneading a material (W) , which is charged into the mixing chamber to be kneaded there, comprises a ring-shaped cylinder (23,23A,23B) fitted to a rotor shaft (15) of the rotor and mounted on a peripheral edge of an opening portion (20) of the casing through which the rotor shaft passes, the cylinder being located at the peripheral edge of the opening portion of the casing, and being adapted to urge a ring-shaped sealing member (21) fitted on the rotor shaft in a direction of the rotor shaft to inhibit leakage of the kneading material from the mixing chamber.

Description

technical field [0001] The invention relates to a dust sealing structure of a closed mixer, which is used to prevent leakage of stirred materials. Background technique [0002] Typically, batch-type internal mixers are usually designed to produce a batch of mixture through a series of actions, including feeding multiple formulations of feed materials, such as rubber or plastic, into the mixing chamber through moving weights, and then, by setting A mixing rotor in the chamber stirs the material, and after a designated mixing action the mixture is unloaded from the mixing chamber to the outside through a drop door. [0003] In such mixers, the axis of rotation of the rotor is arranged to penetrate the mixing chamber. Thus, leakage preventing means must be provided on the end surfaces of the rotating shaft and rotor so that the contents of the mixing chamber do not leak from the end of the chamber to the outside. [0004] Thus, according to e.g. Figure 11 In the conventional...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B29B7/22B01F7/08B01F15/00B29B7/18
CPCB29B7/246F16J15/3448F16J15/3436F16J15/3488F16J15/46B29B7/183B29B7/22B29B7/7495B01F27/72B01F35/71
Inventor 森部高司立见广树花田修一森田充西原义和
Owner MITSUBISHI HEAVY IND MACHINERY SYST LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com