CN207893001U - Live bearing case - Google Patents
Live bearing case Download PDFInfo
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- CN207893001U CN207893001U CN201820321855.8U CN201820321855U CN207893001U CN 207893001 U CN207893001 U CN 207893001U CN 201820321855 U CN201820321855 U CN 201820321855U CN 207893001 U CN207893001 U CN 207893001U
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- live bearing
- case
- live
- bearing
- movable axis
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Abstract
The claimed live bearing case of the utility model, including movable axis, live bearing case drive end bearing bracket, live bearing housing-case and the live bearing box back lid being set on movable axis;It is embedded with a copper ring between the live bearing case drive end bearing bracket and movable axis, multiple ventholes are offered on the periphery of the copper ring;Air admission hole is offered on the periphery of the live bearing box back lid, and runner for being connected to venthole and air admission hole is offered on the live bearing box back lid, live bearing housing-case and live bearing case drive end bearing bracket successively, the wherein described copper ring offers diversion trench on a side end face of facing movament bearing housing drive end bearing bracket upper runner, and the diversion trench on the copper ring is connected with venthole.The utility model can realize gas-tight seal effect in gap between movable axis and live bearing case drive end bearing bracket, prevent fine impurities from entering in the live bearing case, and then play the function of extending movable axis service life and improve movable axis precision.
Description
Technical field
The utility model belongs to bearing housing correlative technology field, is applied on diamond cutting line slicing machine more particularly to a kind of
Live bearing case.
Background technology
Diamond cutting line slicing machine is mainly to utilize the diamond that molecule is inlayed on steel wire, to make diamond wire, by
It is provided with the miniature sawtooth of diamond in diamond wire, thus diamond wire itself is provided with cutting power, by diamond wire on guide roller
It is made into Buddha's warrior attendant gauze, then by the high-speed motion of Buddha's warrior attendant gauze, crystal bar is cut into the machine of silicon wafer.Wherein, movable axis
Hold the important component that case is diamond cutting line slicing machine.
It is appreciated that live bearing case is applied on diamond cutting line slicing machine in use, around corresponding to live bearing case
Working environment diffuses various tiny impurity and steam, in the prior art the sealing effect of the movable axis front end on live bearing case
Fruit is poor, and tiny impurity can enter in movable axis, to reduce the service life of movable axis and the precision of movable axis, no
The use demand of people can be met well.
Utility model content
Based on this, it is necessary to for the above technical problems, provide a kind of live bearing case.
Specifically, a kind of live bearing case, including movable axis, live bearing case drive end bearing bracket, activity on movable axis
Bearing housing-case and live bearing box back lid;The live bearing housing-case passes through between the side and movable axis of facing movament axis
Multiple bearings are rotatablely connected;A copper ring is embedded between the live bearing case drive end bearing bracket and movable axis, the copper ring
Multiple ventholes are offered on periphery;Air admission hole, and the work are offered on the periphery of the live bearing box back lid
It is offered successively on dynamic bearing box back lid, live bearing housing-case and live bearing case drive end bearing bracket for being connected to venthole and air inlet
The runner in hole, wherein the copper ring offers diversion trench on a side end face of facing movament bearing housing drive end bearing bracket upper runner, and
Diversion trench on the copper ring is connected with venthole.
As the preferred embodiment of the utility model, the movable axis offers maze trough in the side towards copper ring, with
Venthole cooperation on copper ring, the common hermetic seal realized to movable axis.
As the preferred embodiment of the utility model, maze trough on the movable axis includes three grooves, from outside to inside according to
It is secondary to be defined as the first groove, the second groove and third groove, wherein the slot bottom of first groove is set as and the circle on copper ring
The slot bottom of the parallel periphery of circumferential surface, second groove and third groove is disposed as the conical surface being inclined outwardly.
As the preferred embodiment of the utility model, the first groove and the second groove is arranged on the movable axis in the copper ring
At the position at place.
As the preferred embodiment of the utility model, multiple ventholes are equably offered on the periphery of the copper ring, and
The aperture of the multiple venthole is unequal.
As the preferred embodiment of the utility model, the live bearing box back lid is connected with the live bearing housing-case
Runner and the runner that is connected with the live bearing case drive end bearing bracket of the live bearing housing-case between be respectively arranged with it is close
Seal is to seal.
As the preferred embodiment of the utility model, the live bearing box back is covered in the side of facing movament bearing housing-case
Embedded with the first sealing ring to seal on end face.
As the preferred embodiment of the utility model, the live bearing case drive end bearing bracket is in the side of facing movament bearing housing-case
It protrudes outward one and stretches to sleeve part between live bearing housing-case and bearing, and be embedded with the second sealing ring on sleeve part
With sealing.
As the preferred embodiment of the utility model, the bearing between the live bearing housing-case and movable axis is angular contact ball
Bearing is used in combination cone spacer and outer ring spacer to be separated.
The application of Pass through above-mentioned technical proposal, the utility model have the following advantages that compared to the prior art:
The claimed live bearing case of the utility model passes through copper ring between movable axis and live bearing case drive end bearing bracket
Rational structure is arranged so that the live bearing case is applied on diamond cutting line slicing machine in use, can be in movable axis and live bearing
The each orientation of 360 ° of gap forms identical air pressure between case drive end bearing bracket, gas-tight seal effect is realized with this, thus
It ensure that movable axis when rotating at high speed, any direction can accomplish gas-tight seal, prevent fine impurities from entering the activity
In bearing housing, and then play the function of extending movable axis service life and improve movable axis precision.
Description of the drawings
Fig. 1 is the exploded view of live bearing case provided by the utility model.
Fig. 2 is the sectional view of live bearing case provided by the utility model.
Wherein, 10, movable axis;11, the first groove;12, the second groove;13, third groove;20, live bearing housing-case;
30, live bearing case drive end bearing bracket;40, live bearing box back lid;41, air admission hole;50, angular contact ball bearing;51, cone spacer;
52, outer ring spacer;60, copper ring;61, air admission hole;62, diversion trench;101, sealing ring;102, the first sealing ring;103, the second sealing
Circle;423, runner.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is the utility model a part of the embodiment, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1, Fig. 2, the claimed live bearing case of the utility model, including movable axis 10, is set to movable axis
Live bearing box back lid 40, live bearing housing-case 20 on 10 and live bearing case drive end bearing bracket 30.
It is appreciated that between the live bearing housing-case 20 and movable axis 10 being rotatablely connected by multiple bearings 50
, wherein being angular contact ball bearing set on multiple bearings 50 between live bearing housing-case 20 and movable axis 10, cone spacer is used in combination
51 are isolated with outer ring spacer 52 so that when in use, movable axis 10 can be relative to live bearing housing-case 20 for the live bearing case
Carry out high speed rotary motion.
2, in the present embodiment, a copper ring 60, institute are embedded between the live bearing case drive end bearing bracket 30 and movable axis 10
It states and offers multiple ventholes 61 on the periphery of copper ring 60, specifically, equably offered on the periphery of the copper ring 60
Multiple ventholes 61, and the aperture of the multiple venthole 61 is unequal.Correspondingly, the circle of the live bearing box back lid 40
An air admission hole 41 is offered on circumferential surface, and before the live bearing box back lid 40, live bearing housing-case 20 and live bearing case
The runner 423 for being connected to venthole 61 and air admission hole 41 is offered on end cap 30 successively, wherein the copper ring 60 is towards work
Diversion trench 62, and the diversion trench 62 on the copper ring 60 are offered on one side end face of 30 upper runner 423 of dynamic bearing case drive end bearing bracket
It is connected with venthole 61.So that the live bearing case when in use, can be led by the air admission hole 41 of live bearing box back lid 40
Enter high pressure gas, then on approach live bearing box back lid 40, live bearing housing-case 20 and live bearing case drive end bearing bracket 30
Runner 423, and on copper ring 60 under the guiding of diversion trench 62, be discharged from the venthole 61 on copper ring 60 to movable axis 10, by
It is fixed it to be inward from sealing in movable axis 10, therefore it can only be from work from 61 row of the venthole of copper ring 60 to the high pressure gas of movable axis 10
Moving axis 10 excludes outward, reaches gas-tight seal function with this.
Further, the movable axis 10 offers maze trough in the side towards copper ring 60, with going out on copper ring 60
Stomata coordinates, the common hermetic seal realized to movable axis 10.
Specifically, the maze trough on the movable axis 10 includes three grooves, is defined as the first groove successively from outside to inside
11, the second groove 12 and third groove 13, wherein the slot bottom of first groove 11 is set as and the periphery phase on copper ring 60
Parallel periphery, second groove 12 and the slot bottom of third groove 13 are disposed as the conical surface being inclined outwardly.In this implementation
In example, the copper ring 60 is provided on the movable axis 10 at the position at 12 place of the first groove 11 and the second groove.
It is appreciated that the present embodiment copper ring 60 on movable axis 10 the first groove 11, the second groove 12 and third it is recessed
Slot 13 has been correspondingly formed one of hermetic seal respectively, and by slot bottom on the first groove 11, the second groove 12 and third groove 13
Rational structure setting realizes the sealing effect of hermetic seal between the copper ring 60 and movable axis 10, prevents fine impurities from entering
Into movable axis 10.
In the present embodiment, the runner that the live bearing box back lid 40 is connected with the live bearing housing-case 20
It is respectively set between 423 and the runner 423 that is connected with the live bearing case drive end bearing bracket 30 of the live bearing housing-case 20
There is sealing ring 101 to seal, ensures gas that the air admission hole 41 from live bearing box back lid 40 imports toward copper ring 60 with this
While upper venthole 61 conveys, it is ensured that gas is not revealed.Further, the live bearing box back lid 40 is in facing movament
Embedded with the first sealing ring 102 to seal on one side end face of bearing housing-case 20;The live bearing case drive end bearing bracket 30 towards
The side of live bearing housing-case 20 protrudes outward one and stretches to sleeve part between live bearing housing-case 20 and bearing 50, and
Embedded with the second sealing ring 103 to seal on sleeve part.The leakproofness of the live bearing case entirety is ensured with this, and then is improved
61 efflux gas of venthole is formed by airtight effect on the copper ring 60.
To sum up, the claimed live bearing case of the utility model, by between movable axis and live bearing case drive end bearing bracket
The Rational structure of copper ring is arranged so that the live bearing case is applied on diamond cutting line slicing machine in use, can be in movable axis and work
The each orientation of 360 ° of gap forms identical air pressure between dynamic bearing case drive end bearing bracket, and gas-tight seal effect is realized with this,
Movable axis is ensured that so when rotating at high speed, and any direction can accomplish gas-tight seal, prevent fine impurities from entering
In the live bearing case, and then play the function of extending movable axis service life and improve movable axis precision.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of live bearing case, it is characterised in that:Including movable axis, live bearing case drive end bearing bracket, work on movable axis
Dynamic bearing housing-case and live bearing box back lid;The live bearing housing-case leads between the side and movable axis of facing movament axis
Multiple bearings are crossed to be rotatablely connected;A copper ring, the copper ring are embedded between the live bearing case drive end bearing bracket and movable axis
Periphery on offer multiple ventholes;Air admission hole is offered on the periphery of the live bearing box back lid, and described
Offered successively on live bearing box back lid, live bearing housing-case and live bearing case drive end bearing bracket for be connected to venthole with into
The runner of stomata, wherein the copper ring offers diversion trench on a side end face of facing movament bearing housing drive end bearing bracket upper runner,
And the diversion trench on the copper ring is connected with venthole.
2. live bearing case according to claim 1, it is characterised in that:The movable axis is opened up in the side towards copper ring
There is maze trough, to coordinate with the venthole on copper ring, the common hermetic seal realized to movable axis.
3. live bearing case according to claim 2, it is characterised in that:Maze trough on the movable axis includes three recessed
Slot is defined as the first groove, the second groove and third groove successively from outside to inside, wherein the slot bottom of first groove is set as
The periphery parallel with the periphery on copper ring, what the slot bottom of second groove and third groove was disposed as being inclined outwardly
The conical surface.
4. live bearing case according to claim 3, it is characterised in that:The copper ring is arranged first on the movable axis
At position where groove and the second groove.
5. live bearing case according to claim 1, it is characterised in that:It is equably offered on the periphery of the copper ring
Multiple ventholes, and the aperture of the multiple venthole is unequal.
6. live bearing case according to claim 1, it is characterised in that:The live bearing box back lid and the activity
The runner that the runner and the live bearing housing-case that bearing housing-case is connected are connected with the live bearing case drive end bearing bracket it
Between be respectively arranged with sealing ring to seal.
7. live bearing case according to claim 1, it is characterised in that:The live bearing box back is covered in facing movament
Embedded with the first sealing ring to seal on one side end face of bearing housing-case.
8. live bearing case according to claim 1, it is characterised in that:The live bearing case drive end bearing bracket is in facing movament
The side of bearing housing-case protrudes outward one and stretches to sleeve part between live bearing housing-case and bearing, and embedding on sleeve part
Equipped with the second sealing ring to seal.
9. live bearing case according to claim 1, it is characterised in that:Between the live bearing housing-case and movable axis
Bearing is angular contact ball bearing, and cone spacer and outer ring spacer is used in combination to be separated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820321855.8U CN207893001U (en) | 2018-03-09 | 2018-03-09 | Live bearing case |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820321855.8U CN207893001U (en) | 2018-03-09 | 2018-03-09 | Live bearing case |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207893001U true CN207893001U (en) | 2018-09-21 |
Family
ID=63541220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820321855.8U Active CN207893001U (en) | 2018-03-09 | 2018-03-09 | Live bearing case |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207893001U (en) |
-
2018
- 2018-03-09 CN CN201820321855.8U patent/CN207893001U/en active Active
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