CN207404389U - The sealing element of conveyer applied to screw feeding equipment - Google Patents
The sealing element of conveyer applied to screw feeding equipment Download PDFInfo
- Publication number
- CN207404389U CN207404389U CN201721531232.5U CN201721531232U CN207404389U CN 207404389 U CN207404389 U CN 207404389U CN 201721531232 U CN201721531232 U CN 201721531232U CN 207404389 U CN207404389 U CN 207404389U
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- sealing element
- main shaft
- annular projection
- projection portion
- screw feeding
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Abstract
The sealing element of conveyer provided by the utility model applied to screw feeding equipment, including main shaft, including left sealing element and right sealing element；The annular projection portion vertical with the main shaft is provided on the main shaft；The left sealing element is oppositely arranged with the right sealing element, has one between the left sealing element and the right sealing element for wrapping up and clamping the sealing space in the annular projection portion.The utility model solve thes problems, such as to use packing_seal formula in the prior art, using to pressing from both sides mazy structure setting, axial seal area is added while increasing radial seal area, has effectively prevented the bad material leakage phenomenon brought of concentricity, has extended the service life of main shaft.
Description
Technical field
The utility model is related to the conveyer fields of screw feeding equipment more particularly to one kind to be applied to screw feeding equipment
Conveyer sealing element.
Background technology
Screw feeding equipment is that the conveying of collection powder material current stabilization, Weighing and quantitative are made as integral equipment, is applicable in
In the powder material continuous metering and dispensing of various industrial production environments, have that reliable, control accuracy is high, answer extensively
For industries such as building materials, metallurgy, electric power, chemical industry.
The sealing means of the screw conveyor of screw feeding equipment be packing_seal formula, packing_seal formula use traditional footpath
Very high to the machining accuracy and concentricity requirement on main shaft surface to sealing, main shaft is directly connected to speed reducer in addition, by deceleration
Machine positioning spindle causes the concentricity that main shaft rotates that can not ensure, meanwhile, packing_seal part in use for some time, disk
Root part easily generates gap between main shaft contact surface, causes material leakage.
Utility model content
In view of the above problems, the sealing of the conveyer provided by the utility model applied to screw feeding equipment
Part, to solve the problems, such as, using to pressing from both sides mazy structure setting, to increase radial seal using packing_seal formula in the prior art
Increase axial seal area while area, effectively prevent the bad material leakage phenomenon brought of main shaft concentricity, extend making for main shaft
Use the service life.
To achieve the above object, technical solution provided by the utility model is：
The sealing element of conveyer provided by the utility model applied to screw feeding equipment, including main shaft, including left close
Sealing and right sealing element；The annular projection portion vertical with the main shaft is provided on the main shaft；The left sealing element with it is described
Right sealing element is oppositely arranged, and has one between the left sealing element and the right sealing element for wrapping up and clamping the annular projection
The sealing space in portion.
The sealing element of conveyer provided by the utility model applied to screw feeding equipment, it is preferable that the ring-type is convex
The edge in the portion of rising is provided with the tubular lug boss vertical with the annular projection portion；The annular projection portion and tubular protrusion
Portion forms seal convexity；The section of the sealing space is L-shaped, and the sealing space is bonded completely with the seal convexity.
The sealing element of conveyer provided by the utility model applied to screw feeding equipment, it is preferable that on the main shaft
It is additionally provided with the annular projection portion one vertical with the main shaft；It is close to the annular projection portion in the annular projection portion one；It is described
Annular projection portion one and the extending area of the tubular lug boss are in the both sides in annular projection portion.
The sealing element of conveyer provided by the utility model applied to screw feeding equipment, it is preferable that the left sealing
Part is sheathed on the right sealing element on the main shaft；The outer wall of the left sealing element and the right sealing element is cylindrical.
The sealing element of conveyer provided by the utility model applied to screw feeding equipment, it is preferable that further include bearing；
The outer ring of the bearing is fixed on the conveyer of screw feeding equipment；The inner ring of the bearing is sheathed on the main shaft, and
It is fixed with the main shaft.
Above-mentioned technical proposal have it is following a little or advantageous effect：
The sealing element of conveyer provided by the utility model applied to screw feeding equipment, efficiently solves the prior art
Middle the problem of using packing_seal formula, using to pressing from both sides mazy structure setting, adds while increasing radial seal area
Axial seal area has effectively prevented the bad material leakage phenomenon brought of main shaft concentricity, extends the service life of main shaft.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the utility model and its spy
Sign, shape and advantage will become more apparent.Identical mark indicates identical part in whole attached drawings.Do not press deliberately
Attached drawing is drawn according to ratio, it is preferred that emphasis is the purport of the utility model is shown.
Fig. 1 is the structure of the sealing element for the conveyer applied to screw feeding equipment that the utility model embodiment 1 provides
Schematic diagram.
Specific embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, but not as this practicality
New restriction.
Embodiment 1：
As shown in Figure 1, the sealing element for the conveyer applied to screw feeding equipment that the utility model embodiment 1 provides,
Including main shaft 1, including left sealing element 2 and right sealing element 3；The annular projection portion 11 vertical with main shaft 1 is provided on main shaft 1；It is left
Sealing element 2 is oppositely arranged with right sealing element 3, has one between left sealing element 2 and right sealing element 3 for wrapping up and clamping annular projection
The sealing space in portion 11；
The edge in annular projection portion 11 is provided with the tubular lug boss 12 vertical with annular projection portion 11；Annular projection portion 11
Seal convexity is formed with tubular lug boss 12；The section of sealing space is L-shaped, and sealing space is bonded completely with seal convexity；
The annular projection portion one 13 vertical with main shaft 1 is additionally provided on main shaft 1；It is close to annular projection in annular projection portion 1
Portion 11；Annular projection portion 1 and the extending area of tubular lug boss 12 are in the both sides in annular projection portion 11；
Left sealing element 2 is sheathed on right sealing element 3 on main shaft 1；The outer wall of left sealing element 2 and right sealing element 3 is in cylinder
Shape；
The sealing element for the conveyer applied to screw feeding equipment that the utility model embodiment 1 provides, further includes bearing
5；The outer ring of bearing 5 is fixed on the conveyer of screw feeding equipment；The inner ring of bearing 5 is sheathed on main shaft 5, and with main shaft 5
It is fixed；
Wherein, left sealing element 2 and right sealing element 3 are that polytetrafluoroethylene (PTFE) is made；Annular projection portion 11, annular projection portion one
13rd, tubular lug boss 12 and main shaft 1 are one of the forming structure.
It, can be by " annular projection portion 11, the annular projection portion one of main shaft using the setting of left sealing element 2 and right sealing element 3
13rd, the folder of tubular lug boss 12 " is dead, axial face seal is also increased while increasing radial seal area, between speed reducer
Sealing area increases, and solves the problems, such as the material leakage brought due to main shaft concentricity is bad；Annular relief 11, annular protrusion are set
Portion 1 and the structure of tubular lug boss 12 increase contact area and frictional force with left sealing element 2 and right sealing element 3, just
It is clamped in left sealing element 2 and right sealing element 3, meanwhile, it prevents in gap of the material from left sealing element 2 and right sealing element 3 with protrusion
It leaks out；Bearing 5 is set, further increases the concentricity of main shaft, extends the service life of main shaft.
In conclusion the sealing element of the conveyer provided by the utility model applied to screw feeding equipment, effectively solves
The problem of using packing_seal formula in the prior art, is set using maze-type structure, increases while increasing radial seal area
Add axial seal area, effectively prevented the bad material leakage phenomenon brought of main shaft concentricity, extend the service life of main shaft.
It should be appreciated by those skilled in the art that those skilled in the art combine the prior art and above-described embodiment can be real
The existing change case, it will not be described here.Such change case has no effect on the substantive content of the utility model, not superfluous herein
It states.
The preferred embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as with the common side in this field
Formula is practiced；Any those skilled in the art, do not depart from technical solutions of the utility model make it is many possible
Changes and modifications or the equivalent embodiment for being revised as equivalent variations, this has no effect on the substantive content of the utility model.Therefore,
Every content without departing from technical solutions of the utility model, according to the technical essence of the utility model to made for any of the above embodiments
Any simple modifications, equivalents, and modifications, still fall within technical solutions of the utility model protection in the range of.
Claims (5)
1. a kind of sealing element of conveyer applied to screw feeding equipment, including main shaft, which is characterized in that including left sealing element
With right sealing element；The annular projection portion vertical with the main shaft is provided on the main shaft；The left sealing element and the right side are close
Sealing is oppositely arranged, and has one between the left sealing element and the right sealing element for wrapping up and clamping the annular projection portion
Sealing space.
2. it is applied to the sealing element of the conveyer of screw feeding equipment as described in claim 1, which is characterized in that the ring-type
The edge of lug boss is provided with the tubular lug boss vertical with the annular projection portion；The annular projection portion and the tubular are convex
The portion of rising forms seal convexity；The section of the sealing space is L-shaped, and the sealing space is pasted completely with the seal convexity
It closes.
3. it is applied to the sealing element of the conveyer of screw feeding equipment as claimed in claim 2, which is characterized in that the main shaft
On be additionally provided with the annular projection portion one vertical with the main shaft；It is close to the annular projection portion in the annular projection portion one；Institute
Annular projection portion one is stated with the extending area of the tubular lug boss in the both sides in annular projection portion.
4. it is applied to the sealing element of the conveyer of screw feeding equipment as claimed in claim 3, which is characterized in that the left side is close
Sealing is sheathed on the right sealing element on the main shaft；The outer wall of the left sealing element and the right sealing element is in cylinder
Shape.
5. the sealing element of the conveyer applied to screw feeding equipment as described in any one in Claims 1 to 4, feature
It is, further includes bearing；The outer ring of the bearing is fixed on the conveyer of screw feeding equipment；The inner ring of the bearing is arranged
In on the main shaft, and fixed with the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721531232.5U CN207404389U (en) | 2017-11-16 | 2017-11-16 | The sealing element of conveyer applied to screw feeding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721531232.5U CN207404389U (en) | 2017-11-16 | 2017-11-16 | The sealing element of conveyer applied to screw feeding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207404389U true CN207404389U (en) | 2018-05-25 |
Family
ID=62317646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721531232.5U Active CN207404389U (en) | 2017-11-16 | 2017-11-16 | The sealing element of conveyer applied to screw feeding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207404389U (en) |
-
2017
- 2017-11-16 CN CN201721531232.5U patent/CN207404389U/en active Active
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