CN208858935U - Spindle machine sealing structure - Google Patents
Spindle machine sealing structure Download PDFInfo
- Publication number
- CN208858935U CN208858935U CN201821444008.7U CN201821444008U CN208858935U CN 208858935 U CN208858935 U CN 208858935U CN 201821444008 U CN201821444008 U CN 201821444008U CN 208858935 U CN208858935 U CN 208858935U
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- Prior art keywords
- liquid
- main shaft
- proof
- end cap
- gear
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model proposes a kind of spindle machine sealing structures, including main shaft body and with the main shaft rotary shaft being located on the main shaft body inner hole, the main shaft rotary shaft is positioned on the main shaft body by bearing, being threadedly engaged in the main shaft rotary shaft can be to the liquid-proof fastener of the bearing axial limiting, the main shaft body end is connected with liquid-proof end cap in turn, liquid barrier, the liquid-proof end cap and the liquid-proof fastener are cooperated by labyrinth structure, liquid barrier is plugged on the liquid-proof fastener, and gear liquid end cap is combined in the main shaft rotary shaft, the gear liquid end cap is tightly attached on the main shaft body and the liquid-proof end cap, liquid barrier, liquid-proof fastener is in the gear liquid end cap.The utility model is sealed by multiplet, can be stopped by multilayer mechanical seal when the foreign liquids such as cutting fluid are to main shaft internal penetration and be discharged outside main shaft, finally realize being fully sealed for main shaft.
Description
Technical field
The utility model relates to machine tool technology fields, and in particular to a kind of spindle machine sealing structure.
Background technique
Main shaft drives the driving source for being turned on workpiece or abrasive material usually as grinding or turning class equipment, it will usually with cutting
The contact such as liquid is easy to cause cutting fluid etc. to enter from the rotation portion of main shaft so as to cause main shaft damage inside main shaft, and tradition is
It solves the problems, such as this, generallys use introducing compressed air and enter the mode (referred to as hermetic seal) being sealed inside main shaft, apply
When have the drawback that
1, due to having used compressed air, and compressed air has used " air compressor ", increases electric energy；
2, water may be contained in compressed air, the moisture in air is caused to enter inside main shaft, to damage main shaft；
3, compressed air is diffused into air after main shaft excludes and forms environmental pollution.
In order to which the present inventor is novel close for the progress of the main shafts class formations such as workpiece spindle, grinding wheel spindle, the electro spindle being horizontally mounted
Envelope design.
Summary of the invention
In order to overcome above-mentioned defect existing in the prior art, the purpose of the utility model is to provide a kind of spindle machine is close
Seal structure.
In order to realize the above-mentioned purpose of the utility model, the utility model provides a kind of spindle machine sealing structure, packet
It includes main shaft body and with the main shaft rotary shaft being located on the main shaft body inner hole, the main shaft rotary shaft is positioned at by bearing
On the main shaft body, being threadedly engaged in the main shaft rotary shaft can be described to the liquid-proof fastener of the bearing axial limiting
Main shaft body end is connected with liquid-proof end cap, liquid barrier in turn, and the liquid-proof end cap and the liquid-proof fastener pass through labyrinth structure
Cooperation, liquid barrier are plugged on the liquid-proof fastener, and gear liquid end cap, the gear liquid end are combined in the main shaft rotary shaft
It covers tightly and is affixed on the main shaft body and the liquid-proof end cap, liquid barrier, liquid-proof fastener are in the gear liquid end cap.
The spindle machine sealing structure it is reasonable in design, sealed by multiplet, when foreign liquids such as cutting fluids
It can be stopped by multilayer mechanical seal when to main shaft internal penetration and be discharged outside main shaft, finally realize the complete close of main shaft
Envelope.
Further, there is the first cavity, first sky between the gear liquid end cap and the liquid-proof fastener, liquid barrier
Bottom of chamber portion has discharge outlet, convenient for the discharge of cutting fluid.
Further, the import of the labyrinth structure between the liquid-proof end cap and liquid-proof fastener, outlet port is corresponding sets
It is equipped with first gear liquid bath, second gear liquid bath, the first gear liquid bath, second gear liquid bath are connected to the liquid barrier, main shaft body
Between the second cavity, which has discharge outlet, cutting fluid is further prevented to flow into bearing, while second empty
The setting of chamber is also convenient for the discharge of cutting fluid.
Further, first cavity, the second cavity discharge outlet converge and be integrated.
Further, between the liquid barrier and liquid-proof fastener have third gear liquid bath, the third gear liquid bath with it is described
First cavity is connected.
Further, there is third cavity on the liquid-proof end cap, the third cavity respectively with the first gear liquid bath, the
Two cavitys are connected.
The beneficial effects of the utility model are: reasonable in design, by liquid-proof fastener, liquid-proof end cap, liquid barrier and
Water blocking end cap carries out multiplet sealing, when the foreign liquids such as cutting fluid are to main shaft internal penetration can by multilayer mechanical seal into
Row stops and is discharged outside main shaft, finally realizes being fully sealed for main shaft.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structure chart of the utility model.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the company being also possible to inside two elements
It is logical, it can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can
To understand the concrete meaning of above-mentioned term as the case may be.
As shown in Figure 1, the utility model provides a kind of spindle machine sealing structure, including main shaft body 1 and coaxially set
Main shaft rotary shaft 2 on 1 inner hole of main shaft body, main shaft rotary shaft 2 are positioned on the main shaft body 1 by bearing, main shaft
Be threadedly engaged in rotary shaft 2 can liquid-proof fastener 4 to bearing axial limiting, 1 end of main shaft body is connected with liquid-proof in turn
End cap 3, liquid barrier 5, the liquid-proof end cap 3 and liquid-proof fastener 4 are cooperated by labyrinth structure, and liquid barrier 5 is plugged in liquid-proof fastening
On part 4, and gear liquid end cap 10 is combined in main shaft rotary shaft 2, which is tightly attached on main shaft body 1 and liquid-proof end
Lid 3, liquid barrier 5, liquid-proof fastener 4 are in the gear liquid end cap 10.
Specifically, keeping off has the first cavity 9,9 bottom of the first cavity between liquid end cap 10 and liquid-proof fastener 4, liquid barrier 5
Portion has discharge outlet.And there is third gear liquid bath 12, the third gear liquid bath 12 and first between liquid barrier 5 and liquid-proof fastener 4
Cavity 9 is connected.
The import of labyrinth structure between liquid-proof end cap 3 and liquid-proof fastener 4, outlet port are correspondingly arranged on first gear liquid
Slot 6, second gear liquid bath 8, the first gear liquid bath 6, second gear liquid bath 8 are connected to second between liquid barrier 5, main shaft body 1
Cavity 11,11 bottom of the second cavity have discharge outlet.On liquid-proof end cap 3 have third cavity 7, the third cavity 7 respectively with
First gear liquid bath 6, the second cavity 11 are connected.
Wherein, the first cavity 9, the second cavity 11 discharge outlet converge and be integrated.
In use, stopping major part by water blocking end cap 10 first when the foreign liquids such as cutting fluid and main shaft contact, it is left
Part can continue to main shaft internal penetration with the gap of main shaft rotary shaft 2 and gear liquid end cap 10 and enter the first cavity 9, and with
9 lower end discharge outlet of the first cavity exclude main shaft outside.When liquid not drained in the first cavity 9 continues to main shaft internal penetration
When, the blocking of liquid barrier 5 can be sequentially entered while meet with, after the blocking for meeting with liquid barrier 5, extra liquid a part enters sky
In chamber 9, remainder can sequentially enter third gear liquid bath 12, second gear liquid bath 8, be blocked in first gear liquid bath 6 and simultaneously, quilt
The liquid of blocking can be discharged through third cavity 7, the second cavity 11 simultaneously.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (6)
1. a kind of spindle machine sealing structure, including main shaft body (1) and with the main shaft being located on main shaft body (1) inner hole
Rotary shaft (2), the main shaft rotary shaft (2) are positioned on the main shaft body (1) by bearing, it is characterised in that: the main shaft
Be threadedly engaged in rotary shaft (2) can liquid-proof fastener (4) to the bearing axial limiting, main shaft body (1) end
It is connected with liquid-proof end cap (3), liquid barrier (5) in turn, the liquid-proof end cap (3) and the liquid-proof fastener (4) pass through labyrinth structure
Cooperation, liquid barrier (5) are plugged on the liquid-proof fastener (4), and gear liquid end cap is combined on the main shaft rotary shaft (2)
(10), which is tightly attached on the main shaft body (1) and the liquid-proof end cap (3), liquid barrier (5), liquid-proof are tight
Firmware (4) is in the gear liquid end cap (10).
2. spindle machine sealing structure according to claim 1, it is characterised in that: the gear liquid end cap (10) is prevented with described
There are the first cavity (9) between liquid fastener (4), liquid barrier (5), which has discharge outlet.
3. spindle machine sealing structure according to claim 2, it is characterised in that: the liquid-proof end cap (3) and liquid-proof are tight
The import of labyrinth structure between firmware (4), outlet port are correspondingly arranged on first gear liquid bath (6), second gear liquid bath (8), should
First gear liquid bath (6), second gear liquid bath (8) are connected to the second cavity between the liquid barrier (5), main shaft body (1)
(11), which has discharge outlet.
4. spindle machine sealing structure according to claim 3, it is characterised in that: first cavity (9), the second cavity
(11) discharge outlet, which is converged, to be integrated.
5. spindle machine sealing structure according to claim 2, it is characterised in that: the liquid barrier (5) and liquid-proof fasten
There are third gear liquid bath (12) between part (4), which is connected with first cavity (9).
6. spindle machine sealing structure according to claim 3, it is characterised in that: have the on the liquid-proof end cap (3)
Three cavitys (7), the third cavity (7) are connected with the first gear liquid bath (6), the second cavity (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444008.7U CN208858935U (en) | 2018-09-03 | 2018-09-03 | Spindle machine sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444008.7U CN208858935U (en) | 2018-09-03 | 2018-09-03 | Spindle machine sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208858935U true CN208858935U (en) | 2019-05-14 |
Family
ID=66416794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821444008.7U Active CN208858935U (en) | 2018-09-03 | 2018-09-03 | Spindle machine sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208858935U (en) |
-
2018
- 2018-09-03 CN CN201821444008.7U patent/CN208858935U/en active Active
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