CN203703135U - Improved mechanical sealing device of coating sand mill - Google Patents
Improved mechanical sealing device of coating sand mill Download PDFInfo
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- CN203703135U CN203703135U CN201420050842.3U CN201420050842U CN203703135U CN 203703135 U CN203703135 U CN 203703135U CN 201420050842 U CN201420050842 U CN 201420050842U CN 203703135 U CN203703135 U CN 203703135U
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- improved mechanical
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Abstract
本实用新型公开一种改进的涂料砂磨机的机械密封装置，包括动环组件、静环组件、法兰组件、主轴、定位组件、弹簧、弹簧座组件、动环O型圈、静环O型圈；动环组件和静环组件构成动密封连接；弹簧座组件套设在动环组件的外端面；弹簧的一端设置在弹簧座组件上，另一端与定位组件相连；定位组件固定设置在主轴上；法兰组件套设在静环组件的外端面并固定设置在主轴上；动环组件与主轴之间设置动环O型圈，静环组件和法兰组件之间设置静环O型圈；本实用新型的机械密封装置结构简单、制作方便且有效地避免了硅橡胶中游离硅对涂料产品可能的污染并减少了磨损和咬合。
The utility model discloses an improved mechanical sealing device of a paint sand mill, which comprises a moving ring assembly, a static ring assembly, a flange assembly, a main shaft, a positioning assembly, a spring, a spring seat assembly, a moving ring O-ring, and a static ring O ring. The dynamic ring assembly and the static ring assembly form a dynamic sealing connection; the spring seat assembly is sleeved on the outer end surface of the dynamic ring assembly; one end of the spring is set on the spring seat assembly, and the other end is connected with the positioning assembly; the positioning assembly is fixed on the On the main shaft; the flange assembly is sleeved on the outer end surface of the static ring assembly and fixed on the main shaft; the moving ring O-ring is set between the moving ring assembly and the main shaft, and the static ring O-ring is set between the static ring assembly and the flange assembly ring; the mechanical seal device of the utility model is simple in structure, easy to manufacture and effectively avoids the possible pollution of free silicon in the silicone rubber to the coating product and reduces wear and occlusion.
Description
Technical Field
The utility model relates to a sand mill machinery. And more particularly to an improved mechanical seal for a paint sander.
Background
At present, the mechanical sealing device of the sand mill used in the paint industry has the following defects:
the structure is complex and the manufacture is inconvenient;
the used sealing ring is a common O-shaped sealing ring; the common O-shaped sealing ring plays an important role in a plurality of devices, but because the characteristics of the coating are not considered, such as containing a large amount of solvent, the performance of the sealing ring of the coating sand mill is seriously reduced after long-term use, and the possibility of coating leakage is greatly increased;
hard alloy is used as the material of the mechanical seal contact surface; however, because the coating contains a large amount of kaolin, titanium dioxide and the like, the materials have fine particles and hard hardness, and after a sand mill is used for a long time, the mechanical seal contact surface is easy to wear end surfaces, and particularly the coating is easy to leak when the machine is frequently started and stopped; moreover, the coating is very complex in composition and contains solvents, water and the like, so that electrochemical corrosion and moving ring and static ring occlusion are easily caused when the machine runs.
Accordingly, there is a need to provide an improved mechanical seal for a paint sander that has good sealing properties and is capable of long term use.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide an improved mechanical sealing device of a coating sand mill; the method comprises the following steps: the movable ring assembly, the static ring assembly, the flange assembly, the main shaft, the positioning assembly, the spring seat assembly, the movable ring O-shaped ring and the static ring O-shaped ring; the movable ring component and the static ring component form dynamic sealing connection; the spring seat component is sleeved on the outer end face of the movable ring component; one end of the spring is arranged on the spring seat component, and the other end of the spring is connected with the positioning component; the positioning component is fixedly arranged on the main shaft; the flange component is sleeved on the outer end face of the static ring component and is fixedly arranged on the main shaft; a movable ring O-shaped ring is arranged between the movable ring assembly and the main shaft, and a static ring O-shaped ring is arranged between the static ring assembly and the flange assembly; the mechanical sealing device of the utility model has the advantages of simple structure, convenient manufacture and effective avoidance of possible pollution of free silicon to the coating product in the silicon rubber and reduction of abrasion and occlusion.
In order to solve the technical problem, the utility model adopts the following technical scheme:
an improved mechanical seal for a paint sander, comprising: the device comprises a movable ring assembly 2, a static ring assembly 3, a flange assembly 4, a main shaft 5, a positioning assembly 6, a spring 7, a spring seat assembly 8, a movable ring O-shaped ring 9 and a static ring O-shaped ring 10;
the movable ring component 2 and the static ring component 3 form dynamic sealing connection;
the spring seat assembly 8 is sleeved on the outer end face of the movable ring assembly 2;
one end of the spring 7 is arranged on the spring seat component 8, and the other end of the spring is connected with the positioning component 6;
the positioning assembly 6 is fixedly arranged on the main shaft 5;
the flange component 4 is sleeved on the outer end face of the static ring component 3 and is fixedly arranged on the main shaft 5;
a movable ring O-shaped ring 9 is arranged between the movable ring component 2 and the main shaft 5,
and a static ring O-shaped ring 10 is arranged between the static ring component 3 and the flange component 4.
Further, the movable ring O-ring 9 is formed by a two-layer structure, the inner layer is a silicone rubber layer 91, and the outer layer is a polytetrafluoroethylene layer 92.
Further, the stationary ring O-ring 10 is formed by a two-layer structure, the inner layer is a silicone rubber layer 101, and the outer layer is a polytetrafluoroethylene layer 102.
Further, the positioning assembly 6 is fixedly arranged on the main shaft 5 through the screw 1.
Further, the spring 7 is a compression spring.
Further, the rotating ring component 2 is made of silicon carbide.
Further, the stationary ring component 3 is made of silicon carbide.
Further, the flange assembly 4 is a flange seat.
Further, the positioning component 6 is a positioning ring.
The utility model has the advantages as follows:
1. the improved mechanical sealing device of the coating sand mill has simple structure and convenient manufacture;
2. the utility model has the advantages that the polytetrafluoroethylene layer is arranged outside the silicon rubber layer O-shaped ring, so that the service life of the O-shaped ring is prolonged, and the possible pollution of free silicon in the silicon rubber to a coating product is effectively avoided;
3. the utility model sets the moving ring component and the static ring component as the silicon carbide material, compared with the existing coating sand mill using hard alloy, the temperature upper limit is increased from 117 ℃ to 427 ℃, the sub friction coefficient is reduced by half, and the hardness is increased from 70HRC to 91 HRC; the abrasion of kaolin, titanium dioxide, pigment and the like in the coating to the mechanical seal end face is effectively reduced, and the probability of occlusion of the movable ring component and the static ring component is reduced.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Figure 1 shows a cross-sectional view of the improved mechanical seal of the paint sander of the present invention.
Fig. 2 shows the structure of the dynamic and static O-rings.
In the figures, the various reference numerals are:
1-screws; 2-a rotating ring assembly; 3-a stationary ring assembly; 4-a flange assembly; 5, a main shaft;
6, positioning the assembly; 7-a spring; 8-spring seat; 9-moving ring O-shaped ring; 10-stationary ring O-shaped ring;
91-moving ring O-shaped ring silicon rubber layer; 92-moving ring O-shaped ring polytetrafluoroethylene layer;
101-static ring O-shaped ring silicon rubber layer; 102-static ring O-shaped ring polytetrafluoroethylene layer.
Detailed Description
In order to explain the present invention more clearly, the present invention will be further described with reference to the preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
Examples
An improved mechanical seal for a paint sander, comprising:
the device comprises a movable ring assembly 2, a static ring assembly 3, a flange assembly 4, a main shaft 5, a positioning assembly 6, a spring 7, a spring seat assembly 8, a movable ring O-shaped ring 9 and a static ring O-shaped ring 10;
the movable ring component 2 and the static ring component 3 form dynamic sealing connection;
the spring seat component 8 is sleeved on the outer end face of the movable ring component 2;
one end of the spring 7 is arranged on the spring seat component 8, and the other end of the spring is connected with the positioning component 6;
the positioning component 6 is fixedly arranged on the main shaft 5;
the flange component 4 is sleeved on the outer end face of the static ring component 3 and is fixedly arranged on the main shaft 5;
a movable ring O-shaped ring 9 is arranged between the movable ring component 2 and the main shaft 5,
a static ring O-shaped ring 10 is arranged between the static ring component 3 and the flange component 4.
The movable ring O-shaped ring 9 is formed by a two-layer structure, wherein the inner layer is a silicone rubber layer 91, and the outer layer is a polytetrafluoroethylene layer 92.
The static ring O-shaped ring 10 is formed by a two-layer structure, wherein the inner layer is a silicone rubber layer 101, and the outer layer is a polytetrafluoroethylene layer 102.
The positioning component 6 is fixedly arranged on the main shaft 5 through the screw 1.
The spring 7 is a hold-down spring.
The rotating ring component 2 is made of silicon carbide.
The stationary ring component 3 is made of silicon carbide.
The flange assembly 4 is a flange seat.
The positioning component 6 is a positioning ring.
FIG. 1 is a cross-sectional view of the mechanical seal arrangement of the improved paint sander of an embodiment.
Fig. 2 shows a structure of a dynamic ring O-ring, and fig. 3 shows a structure of a static ring O-ring.
Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.
Claims (9)
1. An improved mechanical seal for a paint sander, comprising: the device comprises a movable ring assembly (2), a static ring assembly (3), a flange assembly (4), a main shaft (5), a positioning assembly (6), a spring (7), a spring seat assembly (8), a movable ring O-shaped ring (9) and a static ring O-shaped ring (10); wherein,
the movable ring component (2) and the static ring component (3) form dynamic sealing connection;
the spring seat assembly (8) is sleeved on the outer end face of the movable ring assembly (2);
one end of the spring (7) is arranged on the spring seat component (8), and the other end of the spring is connected with the positioning component (6);
the positioning assembly (6) is fixedly arranged on the main shaft (5);
the flange component (4) is sleeved on the outer end face of the static ring component (3) and is fixedly arranged on the main shaft (5);
a moving ring O-shaped ring (9) is arranged between the moving ring component (2) and the main shaft (5);
and a static ring O-shaped ring (10) is arranged between the static ring component (3) and the flange component (4).
2. An improved mechanical seal for paint sanders as claimed in claim 1, characterised in that said moving-ring O-ring (9) is made of a two-layer structure, the inner layer being a silicone rubber layer (91) and the outer layer being a polytetrafluoroethylene layer (92).
3. An improved mechanical seal for a paint sander as set forth in claim 1, wherein said static O-ring (10) is formed of a two-layer construction, the inner layer being a silicone rubber layer (101) and the outer layer being a polytetrafluoroethylene layer (102).
4. An improved mechanical seal for a paint sander as set forth in claim 1, wherein said positioning assembly (6) is fixedly disposed on the main shaft (5) via screws (1).
5. An improved mechanical seal for a paint sander as set forth in claim 1, wherein said spring (7) is a hold down spring.
6. An improved mechanical seal for a paint sander as set forth in claim 1, wherein said rotating ring assembly (2) is of silicon carbide.
7. An improved mechanical seal for a paint sander as set forth in claim 1, wherein said stationary ring assembly (3) is of silicon carbide.
8. An improved mechanical seal for a paint sander as set forth in claim 1, wherein said flange assembly (4) is a flange seat.
9. An improved mechanical seal for a paint sander as set forth in claim 1, wherein said locating assembly (6) is a locating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050842.3U CN203703135U (en) | 2014-01-26 | 2014-01-26 | Improved mechanical sealing device of coating sand mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050842.3U CN203703135U (en) | 2014-01-26 | 2014-01-26 | Improved mechanical sealing device of coating sand mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703135U true CN203703135U (en) | 2014-07-09 |
Family
ID=51053580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420050842.3U Expired - Fee Related CN203703135U (en) | 2014-01-26 | 2014-01-26 | Improved mechanical sealing device of coating sand mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703135U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455457A (en) * | 2014-12-07 | 2015-03-25 | 无锡高卓流体设备有限公司 | Novel single end surface mechanical seal |
| CN105840828A (en) * | 2016-06-07 | 2016-08-10 | 浙江艾领创矿业科技有限公司 | Mechanical seal structure of Ai sand mill |
| CN112360981A (en) * | 2020-11-24 | 2021-02-12 | 重庆齿轮箱有限责任公司 | Sealing method and sealing structure for vertical soaking rotary main shaft |
-
2014
- 2014-01-26 CN CN201420050842.3U patent/CN203703135U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455457A (en) * | 2014-12-07 | 2015-03-25 | 无锡高卓流体设备有限公司 | Novel single end surface mechanical seal |
| CN105840828A (en) * | 2016-06-07 | 2016-08-10 | 浙江艾领创矿业科技有限公司 | Mechanical seal structure of Ai sand mill |
| CN112360981A (en) * | 2020-11-24 | 2021-02-12 | 重庆齿轮箱有限责任公司 | Sealing method and sealing structure for vertical soaking rotary main shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20200126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |