CN206387539U - A kind of balancing machine main shaft - Google Patents
A kind of balancing machine main shaft Download PDFInfo
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- CN206387539U CN206387539U CN201621392042.5U CN201621392042U CN206387539U CN 206387539 U CN206387539 U CN 206387539U CN 201621392042 U CN201621392042 U CN 201621392042U CN 206387539 U CN206387539 U CN 206387539U
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- main shaft
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Abstract
The utility model discloses a kind of balancing machine main shaft, belong to balance shaft field, it includes axle bed, rear bearing and fore bearing that axle bed inner chamber is set provided with one group of balance, bearing supporting frame is provided between bearing and fore bearing afterwards, rear bearing side is provided with the axial stage clip of rear bearing；Main shaft, main shaft is formed by main shaft shaft core, pull bar and chuck；Main shaft shaft core is hollow-core construction, and main shaft shaft core front end is cylindric, and main shaft shaft core rear end is provided with transmission race；Chuck back-moving spring is provided with main shaft shaft core bottom cavity, chuck back-moving spring one end is fixed on the main shaft shaft core bottom cavity, and the other end is fixed on the spacing pressing plate of shell fragment, and the spacing pressing plate of shell fragment is buckled in the main shaft shaft core bottom；Pull bar is flexibly connected through the spacing pressing plate of the shell fragment with chuck, and pull bar is flexibly connected with the chuck and is applied in spindle shaft in-core；Main shaft makes machinery be balanced regulation under normal mounting and operating condition through axle bed, reduces system vibration.Complete machine is set to be achieved with higher balance quality in the operating condition.
Description
Technical field
The utility model is related to balance shaft field, more particularly to a kind of balancing machine main shaft.
Background technology
Include in modern mechanical it is substantial amounts of rotate, because the material for manufacturing parts is uneven, processing and
The error produced in assembling, or even just there are many factors such as asymmetrical geometry during design so that parts are in rotation
When, the centrifugal intertia force that each small particle is produced thereon can not cancel out each other, and centrifugal intertia force is applied to machinery by bearing
And its on the basis of, cause vibration, generate noise, accelerate bearing wear, shorten mechanical life, can damaging property when serious
Accident.
Balance method used in all kinds of machines is more, and static balance often uses balancing stand, and static balance precision is low, equilibration time
It is long；Two plane balancing uses all kinds of dynamic balancers.Though dynamic balancer can be preferably balanced, for parts
When size difference is larger, the dynamic balancing machine of different specification size is generally required, and still needed to during balance by parts from machine
Remove, be so substantially both uneconomical, also extremely take a lot of work.And dynamic balancing machine can not be eliminated due to assembling or other servo-actuated members
The problem of system vibration that part triggers.
The content of the invention
The problem of to solve above-mentioned, the utility model provides a kind of balancing machine main shaft, makes machinery in normal mounting and fortune
Regulation is balanced under the conditions of turning, system vibration is reduced.Complete machine is set to be achieved with higher balance quality in the operating condition.
Technical solution adopted in the utility model is：In the above-mentioned technical solutions,
A kind of balancing machine main shaft, it is characterised in that have：
Axle bed, rear bearing and fore bearing that the axle bed inner chamber is set provided with one group of balance, the rear bearing and fore bearing
Between be provided with bearing supporting frame, the rear bearing side is provided with the axial stage clip of rear bearing；
Main shaft, the main shaft is formed by main shaft shaft core, pull bar and chuck；The main shaft shaft core is hollow-core construction, the master
Axle shaft core front end is cylindric, and main shaft shaft core rear end is provided with transmission race；Drawn in the main shaft shaft core bottom cavity provided with chuck
Tight spring, described chuck back-moving spring one end is fixed on the main shaft shaft core bottom cavity, and the other end is fixed on the spacing pressure of shell fragment
Plate, the spacing pressing plate of shell fragment is buckled in the main shaft shaft core bottom；The pull bar through the spacing pressing plate of the shell fragment with it is described
Chuck is flexibly connected, and the pull bar is flexibly connected with the chuck and is applied in spindle shaft in-core；
The main shaft balances the rear bearing set through the axle bed inner chamber and fore bearing is placed in axle bed.
In the above-mentioned technical solutions, the axial stage clip of the rear bearing is butterfly spring group.The position of bearing after fixation, reduction
Vibration causes the movement of rear bearing, prevents rear bearing from producing relative motion with main shaft, causes main shaft can not normal rotation.
In the above-mentioned technical solutions, the chuck back-moving spring is butterfly spring group.Chuck is tensed, elastic force is increased, reduced
The deformation of butterfly spring group, reduces elastically-deformable frequency.
In the above-mentioned technical solutions, the chuck is collet, and the collet head is male-tapered, the spring
Spring leaf is cased with outside chuck head, the head of the collet outer cone matches with the taper hole at the top of the main shaft shaft core.Gu
Clamp has, and spring leaf is cased with outside and further grips fixture.
In the above-mentioned technical solutions, the chuck is provided with the elastic endoporus of chuck.When being clamped, the elastic endoporus of chuck has
The opening width of effect increase clamping endoporus, it is easier to stationary fixture.
In the above-mentioned technical solutions, the pull bar and the chuck portion of being connected are the spiral lamination component matched, are mutually twisted
Fasten.The structure of spiral lamination, it is easy to steady brace and chuck.
In the above-mentioned technical solutions, the chuck is provided with chuck endoporus, and the pull bar is provided with through hole, and the chuck endoporus connects
Lead to the tension rod thru-hole.It is easy to clean the inside of main shaft.The vibration caused by impurity is reduced, causes the unbalanced influence of main shaft.
In the above-mentioned technical solutions, the rear bearing side is provided with shell fragment pad；The fore bearing side is provided with bearing gasket
Piece.Bearing side is provided with afterwards, is increased shell fragment pad, groups of springs is met requirement for height.Fore bearing side is provided with bearing shim, Gu
Dead axle is held.
In the above-mentioned technical solutions, described pull bar is provided with least one pull bar cushion rubber.Prevent pull bar from being produced with main shaft shaft core
Raw relative motion.
In the above-mentioned technical solutions, the bearing supporting frame is cylindric, and upper end is provided with the supporting part of extension；The bearing
Support frame is linked in the middle part of main shaft, matches with main shaft.Spring bearing.
The beneficial effects of the utility model are：This kind of balancing machine main shaft, complete machine normal mounting with it is right under operating condition
Mechanical entirety is balanced regulation, reduces the system vibration of complete machine.Complete machine is set to be achieved with higher balance in the operating condition
Precision, realizes the dynamically balanced regulation of live complete machine.
Brief description of the drawings
Fig. 1 is a kind of front view of balancing machine main shaft of the present utility model；
Fig. 2 is a kind of profile of balancing machine main shaft of the present utility model；
Fig. 3 is a kind of spindle unit annexation figure of balancing machine main shaft of the present utility model；
Fig. 4 is a kind of shaft core enlarged drawing of balancing machine main shaft of the present utility model；
Fig. 5 is a kind of chuck of balancing machine main shaft of the present utility model and the connection enlarged drawing of pull bar；
Marked in figure：1st, axle bed；11st, rear bearing；111st, the axial stage clip of rear bearing；112nd, shell fragment pad；12nd, fore bearing；
121st, bearing shim；2nd, main shaft；21st, main shaft shaft core；211st, the taper hole at the top of main shaft shaft core；22nd, pull bar；221st, through hole；23rd, press from both sides
Head；231st, the head of chuck outer cone；232nd, the elastic endoporus of chuck；233rd, flexure strip；234th, chuck endoporus；24th, it is driven race；
3rd, the spacing pressing plate of shell fragment；4th, chuck back-moving spring；5th, bearing supporting frame；6th, pull bar cushion rubber；7th, spiral lamination structure.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 to Fig. 3 schematically shows a kind of balancing machine main shaft according to a kind of embodiment of the present utility model
A kind of concrete structure of balancing machine main shaft of the utility model is：
A kind of balancing machine main shaft, has：
Axle bed 1, rear bearing 11 and fore bearing 12 that the axle bed inner chamber is set provided with one group of balance, the rear He of bearing 11
Bearing supporting frame 5 is provided between fore bearing 12, the rear side of bearing 11 is provided with the axial stage clip 111 of rear bearing；
Main shaft 2, the main shaft is formed by main shaft shaft core 21, pull bar 22 and chuck 23；The main shaft shaft core 21 is hollow knot
Structure, the front end of main shaft shaft core 21 is cylindric, and the rear end of main shaft shaft core 21 is provided with transmission race 24；The bottom of main shaft shaft core 21
Chuck back-moving spring 4 is provided with cavity, described one end of chuck back-moving spring 4 is fixed on the bottom cavity of main shaft shaft core 21, separately
One end is fixed on the spacing pressing plate 3 of shell fragment, and the spacing pressing plate 3 of shell fragment is buckled in the bottom of main shaft shaft core 21；The pull bar 22
It is flexibly connected through the spacing pressing plate 3 of the shell fragment with the chuck 23, the pull bar 22 is flexibly connected with the chuck 23 to be run through
In main shaft shaft core 21；
The main shaft 2 balances the rear bearing 11 set through the inner chamber of axle bed 1 and fore bearing 12 is placed in axle bed 1.
Above-mentioned, the axial stage clip 111 of rear bearing is butterfly spring group.The position of bearing after fixation, reduction vibration is drawn
The movement of bearing after rising, prevents rear bearing from producing relative motion with main shaft, causes main shaft can not normal rotation.
Above-mentioned, the chuck back-moving spring 4 is butterfly spring group.Chuck is tensed, elastic force is increased, butterfly spring group is reduced
Deformation, reduce elastically-deformable frequency.
Above-mentioned, the chuck 23 is collet, and the collet head 231 is male-tapered, the collet
Spring leaf 233 is cased with outside head, the taper hole 211 on the head 231 and the top of main shaft shaft core 21 of the collet outer cone matches.
Stationary fixture, is cased with spring leaf and further grips fixture outside.
Above-mentioned, the chuck 23 is provided with the elastic endoporus 232 of chuck.When being clamped, the elastic endoporus of chuck effectively increases
The opening width of big clamping endoporus, it is easier to stationary fixture.
Above-mentioned, the pull bar 22 and the portion of being connected of chuck 23 are the spiral lamination component 7 matched, are mutually tightened solid
It is fixed.The structure of spiral lamination, it is easy to steady brace and chuck.
Above-mentioned, the chuck 23 is provided with chuck endoporus 234, and the pull bar 22 is provided with through hole 221, the chuck endoporus
The 234 connection tension rod thru-holes 221.It is easy to clean the inside of main shaft.The vibration caused by impurity is reduced, causes main shaft uneven
Influence.
Above-mentioned, the rear side of bearing 11 is provided with shell fragment pad 112；The side of fore bearing 12 is provided with bearing shim
121.The side of bearing 11 is provided with shell fragment pad 112 afterwards, and increase shell fragment pad 112 makes groups of springs meet requirement for height.Fore bearing 12
Side is provided with bearing shim 121, fixing bearing.
Above-mentioned, described pull bar 22 is provided with least one pull bar cushion rubber 6.Prevent pull bar 22 from producing phase with main shaft shaft core 21
To motion.
Above-mentioned, the bearing supporting frame 5 is cylindric, and upper end is provided with the supporting part of extension；5 sets of the bearing supporting frame
Close at the middle part of main shaft 2, match with main shaft 2.Spring bearing.
When specifically used,
The build-up member of this kind of balancing machine main shaft should include：
Axle bed 1, rear bearing 11 and fore bearing 12 that the axle bed inner chamber is set provided with one group of balance, the rear He of bearing 11
Bearing behind bearing supporting frame 5, the rear side of bearing 11 is provided between fore bearing 12 and axially presses butterfly spring group 111；
Main shaft 2, the main shaft is formed by main shaft shaft core 21, pull bar 22 and chuck 23；The main shaft shaft core 21 is hollow
Structure, the front end of main shaft shaft core 21 is cylindric, and the main shaft shaft core rear end is provided with transmission race 24；The main shaft shaft core 21
Butterfly spring group 4 is tensed provided with chuck in bottom cavity, the chuck tenses butterfly spring group one end and is fixed on the spindle shaft
The bottom cavity of core 21, the other end is fixed on the spacing pressing plate 3 of shell fragment, and the spacing pressing plate 3 of shell fragment is buckled in the main shaft shaft core 21
Bottom；The pull bar 22 tightens the chuck 23, the pull bar 22 and the activity of chuck 23 through the spacing pressing plate 3 of the shell fragment
Connection is applied in main shaft shaft core 21；Described pull bar 22 prevents pull bar 22 from being produced with main shaft shaft core 21 provided with one group of pull bar cushion rubber 6
Raw relative motion.
The main shaft 2 balances the rear bearing 11 set and before holds 12 and is placed in axle bed 1 through the inner chamber of axle bed 1.
First pull bar 22 is pushed up, collet 23 is raised up, fixture needed for installing, releasing lever 22, in folder
In the presence of the elastic deformation of head back-moving spring butterfly spring group 4, collet 23 is fastened on the taper hole 211 of main shaft shaft core 21,
So as to stationary fixture.The head of collet 23 is cased with 233 flexure strips, further stationary fixture.It is main under the drive of transmission race
Axle 2 the inner chamber of axle bed 1 balance set before 11 and rear bearing 12 high-speed rotation, start working.
During work, material often in the presence of manufacture parts is uneven, the error that produces in processing and assembling,
Just there is the oneself factor such as asymmetrical geometry when even designing so that parts when rotated, each small matter thereon
Point produce centrifugal intertia force can not cancel out each other, centrifugal intertia force by bearing be applied to machinery and its on the basis of, cause and shake
It is dynamic；Or, the vibration produced in working condition with external contact, and machinery can not can be reached balance.Accurately carry out
Effective work.
When vibrating generation, the main shaft 2 of this kind of balancing machine main shaft uses segmentation structure, returns from the transmission of collet 23
Vibration, because main shaft 2 employs segmentation structure, effectively cut-off vibration transmission, reduce main shaft vibration frequency.Work as main shaft
In vibration, the axial swaging groups of springs 111 of rear bearing of the rear side of bearing 11 is arranged on, elastic deformation is produced, bearing is produced backward
The raw pressure pushed, suppresses the vibration of main shaft, eliminates vibration source.Adjust the degree of balance of the mechanism.After vibration is eliminated, rear bearing axle
Recover form to swaging groups of springs 111.Machinery is set to be balanced regulation under normal mounting and operating condition, reduction system is shaken
It is dynamic.Complete machine is set to be achieved with higher balance quality in the operating condition.
Embodiment above is to indicate that rather than limit the utility model, therefore all according to the utility model patent application
The equivalent change or modification that method described in scope is done, is included in the utility model patent claim.
Claims (10)
1. a kind of balancing machine main shaft, it is characterised in that have：
Axle bed, rear bearing and fore bearing that the axle bed inner chamber is set provided with one group of balance, between the rear bearing and fore bearing
Provided with bearing supporting frame, the rear bearing side is provided with the axial stage clip of rear bearing；
Main shaft, the main shaft is formed by main shaft shaft core, pull bar and chuck；The main shaft shaft core is hollow-core construction, the spindle shaft
Core front end is cylindric, and main shaft shaft core rear end is provided with transmission race；In the main shaft shaft core bottom cavity bullet is tensed provided with chuck
Spring, described chuck back-moving spring one end is fixed on the main shaft shaft core bottom cavity, and the other end is fixed on the spacing pressing plate of shell fragment, institute
State the spacing pressing plate of shell fragment and be buckled in the main shaft shaft core bottom；The pull bar is lived through the spacing pressing plate of the shell fragment with the chuck
Dynamic connection, the pull bar is flexibly connected with the chuck and is applied in spindle shaft in-core；
The main shaft balances the rear bearing set through the axle bed inner chamber and fore bearing is placed in axle bed.
2. a kind of balancing machine main shaft according to claim 1, it is characterised in that：The axial stage clip of rear bearing is butterfly bullet
Spring group.
3. a kind of balancing machine main shaft according to claim 1, it is characterised in that：The chuck back-moving spring is butterfly spring
Group.
4. a kind of balancing machine main shaft according to claim 1, it is characterised in that：The chuck is collet, the bullet
Spring chuck head is male-tapered, is cased with spring leaf outside the collet head, the head of the collet outer cone with it is described
Taper hole at the top of main shaft shaft core matches.
5. a kind of balancing machine main shaft according to claim 1, it is levied spy and is:The chuck is provided with the elastic endoporus of chuck.
6. a kind of balancing machine main shaft according to claim 1, it is characterised in that：The pull bar is with the chuck portion of being connected
The spiral lamination component matched, mutually tightens fixation.
7. a kind of balancing machine main shaft according to claim 1 or 6, it is levied spy and is:The chuck is provided with chuck endoporus,
The pull bar is provided with through hole, and the chuck endoporus connects the tension rod thru-hole.
8. a kind of balancing machine main shaft according to claim 1, it is characterised in that：The rear bearing side is provided with shell fragment pad
Piece；The fore bearing side is provided with bearing shim.
9. a kind of balancing machine main shaft according to claim 1, it is levied spy and is:Described pull bar is provided with least one pull bar
Cushion rubber.
10. a kind of balancing machine main shaft according to claim 1, it is levied spy and is:The bearing supporting frame to be cylindric, on
Supporting part of the end provided with extension；The bearing supporting frame is linked in the middle part of main shaft, matches with main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621392042.5U CN206387539U (en) | 2016-12-19 | 2016-12-19 | A kind of balancing machine main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621392042.5U CN206387539U (en) | 2016-12-19 | 2016-12-19 | A kind of balancing machine main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206387539U true CN206387539U (en) | 2017-08-08 |
Family
ID=59488933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621392042.5U Active CN206387539U (en) | 2016-12-19 | 2016-12-19 | A kind of balancing machine main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206387539U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595954A (en) * | 2016-12-19 | 2017-04-26 | 东莞市科隆实业有限公司 | Balancing machine main shaft |
| CN111174976A (en) * | 2020-01-15 | 2020-05-19 | 中国南方航空股份有限公司 | Method for controlling unbalance amount of APU rotor assembly |
| CN111546267A (en) * | 2020-05-22 | 2020-08-18 | 深圳华钛自动化科技有限公司 | Core insert automatic clamping main shaft device |
-
2016
- 2016-12-19 CN CN201621392042.5U patent/CN206387539U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595954A (en) * | 2016-12-19 | 2017-04-26 | 东莞市科隆实业有限公司 | Balancing machine main shaft |
| CN111174976A (en) * | 2020-01-15 | 2020-05-19 | 中国南方航空股份有限公司 | Method for controlling unbalance amount of APU rotor assembly |
| CN111546267A (en) * | 2020-05-22 | 2020-08-18 | 深圳华钛自动化科技有限公司 | Core insert automatic clamping main shaft device |
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