CN205685258U - Bearing press-fitting device - Google Patents
Bearing press-fitting device Download PDFInfo
- Publication number
- CN205685258U CN205685258U CN201620579437.XU CN201620579437U CN205685258U CN 205685258 U CN205685258 U CN 205685258U CN 201620579437 U CN201620579437 U CN 201620579437U CN 205685258 U CN205685258 U CN 205685258U
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- CN
- China
- Prior art keywords
- bearing
- hole
- fitting device
- press
- accommodating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
This utility model provides a kind of bearing press-fitting device, belongs to field of mechanical technique.It solving existing bearing press-fitting device, to press-fit precision low, causes producing bearing noise in assembling and the problem that changes bearing.This bearing press-fitting device, the lower mold including base, be located on base and be located at the upper mold above lower mold, lower mold has the vertical cavity for accommodating rotor body, there is in cavity the through hole one for accommodating rotor lower rotary shaft being coaxially disposed with cavity, upper mold has the receiving chamber for accommodating bearing being coaxially disposed with cavity, accommodate intracavity and there is the through hole two for accommodating rotating shaft on rotor being coaxial therewith arranging, accommodate intracavity and be provided with the fixed structure for fixing bearing.This utility model has and press-fits that precision is high, press-fit the advantages such as effective.
Description
Technical field
This utility model belongs to field of mechanical technique, relates to a kind of bearing press-fitting device.
Background technology
In daily life, when needing to install bearing on axial workpiece, generally by manual type, first by axle class zero
Part righting, beats axial workpiece or bearing by external force, is nested on axial workpiece by bearing.Such as, existing pump motor axle
In use, operator needs manually to be put in lower press fitting clamping fixture by a bearing pressure-bearing assembling device, and rotor is put into pressing machine,
Another bearing is put into armature spindle upper end, carries out bearings at both ends with hand steered rotor and press-fit.This press-loading apparatus, scrappage
Qualification rate high, disposable is low, and after connection, axiality is poor, and press-loading process inefficiency, operational hazards coefficient is big, the work of workman
Make intensity big, it is impossible to enough batch productions.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that one press-fits precision height, pressure
Fill effective bearing press-fitting device.
The purpose of this utility model can be realized by following technical proposal:
This bearing press-fitting device, the lower mold including base, being located on base and be located at the upper mold above lower mold, its feature exists
In, described lower mold has the vertical cavity for accommodating rotor body, has and be coaxially disposed with cavity in described cavity
For accommodating the through hole one of rotor lower rotary shaft, described upper mold has the receiving for accommodating bearing being coaxially disposed with cavity
Chamber, the described intracavity that accommodates has the through hole two for accommodating rotating shaft on rotor being coaxial therewith arranging, described receiving intracavity
It is provided with the fixed structure for fixing bearing.
When rotor is carried out bearing press mounting, first rotor body is put in cavity, it is ensured that rotor lower rotary shaft is positioned at through hole
In one, bearing being put into receiving intracavity, is temporarily fixed by fixed structure, press under lower mold, on rotor, rotating shaft sequentially passes through axle
Hold and through hole two, reach bearing is nested into the purpose of rotating shaft on rotor.Owing on rotor, rotating shaft and bearing are tight fit, both
Between frictional force more than frictional force between bearing and fixed structure, press-fit the complete bearing disengaging fixed knot when upper mold rises
Structure.
In above-mentioned bearing press-fitting device, described fixed structure includes some radial directions be uniformly located at and accommodate chamber sidewall
Shrinkage pool, being located at the ball and spring of stepping down of radially shrinkage pool, one end of described spring acts on the bottom of radially shrinkage pool, another of spring
End acts on steps down on ball, and ball portion of stepping down described under the effect of this spring force stretches out radially shrinkage pool.
When being put into by bearing radially in shrinkage pool, bearing extrudes several balls of stepping down simultaneously, makes several springs press simultaneously
Contracting, drives step down ball and bearing tight fit under the effect of spring force, and ball of now stepping down is less with the frictional force of bearing.
In above-mentioned bearing press-fitting device, described radial direction shrinkage pool is 3-6.
In above-mentioned bearing press-fitting device, described base is fixed with by attachment structure the support being vertically arranged
Axle, described support shaft is fixed with location-plate by locking mechanism, described location-plate has for positioning rotor body
The bayonet socket of lateral wall, the angle of described bayonet socket dual-side is 90 °.
In above-mentioned bearing press-fitting device, described locking mechanism includes that its inner being radially arranged on location-plate is supported
Lean against the interior hexagonal tapered end holding screw in support shaft, described support shaft has some along its axial equally distributed cone
Hole, the inner of described interior hexagonal tapered end holding screw is positioned in this taper hole.
Owing to being provided with some axial equally distributed taper holes in support shaft, the tune to location-plate upper-lower position can be realized
Joint, its concrete operation method is as follows: unclamping interior hexagonal tapered end holding screw, the upper-lower position of regulation location-plate, when being adjusted to close
When (probably aliging with the middle part of rotor body) is put in right position, interior hexagonal tapered end holding screw is tightened, and ensure interior hexagonal tapered end
The inner of holding screw is positioned in taper hole.
In above-mentioned bearing press-fitting device, described base has the through hole three being coaxially disposed with through hole one, described
Attachment structure include the T-slot radially extended along through hole three being located on base and be located at the head of support shaft lower end, described
Head be positioned at T-slot, threaded in described support shaft have locking nut.
Lower end outside in support shaft is provided with threaded one end and coordinates with locking nut, by regulation support shaft in T-slot
Distance realize regulation support shaft relative to the distance of through hole three, thus the spacing that reaches to regulate location-plate with rotor body
Purpose.
Compared with prior art, this bearing press-fitting device has the advantage that
Reasonable in design, by the through hole one, through hole two and the through hole three that arrange, and can realize location-plate laterally and
Longitudinally regulation so that it is meet the bearing press mounting work of different model rotor, applied widely；By arranging receiving chamber in upper mold
And fixed structure is set accommodating intracavity, when press-fit bearing and rotor coaxial are effectively ensured, press-fit precision high.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of preferred embodiment that this utility model provides.
Fig. 2 is the top view of the location-plate that this utility model provides.
In figure, 1, base；11, through hole three；12, T-slot；2, lower mold；21, cavity；22, through hole one；3, upper mold；31, hold
Receive chamber；32, through hole two；33, radially shrinkage pool；34, step down ball；4, support shaft；41, taper hole；42, head；5, location-plate；51, card
Mouthful；6, interior hexagonal tapered end holding screw；7, locking nut.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
Bearing press-fitting device as shown in Figure 1, the lower mold 2 including base 1, being located on base 1 and being located at above lower mold 2
Upper mold 3, lower mold 2 has the vertical cavity 21 for accommodating rotor body, has the use being coaxially disposed with cavity 21 in cavity 21
In the through hole 1 of receiving rotor lower rotary shaft, upper mold 3 has the receiving chamber 31 for accommodating bearing being coaxially disposed with cavity 21,
There is in accommodating chamber 31 through hole 2 32 for accommodating rotating shaft on rotor being coaxial therewith arranging, be provided with in accommodating chamber 31 for solid
The fixed structure that dead axle holds.
When rotor is carried out bearing press mounting, first rotor body is put in cavity 21, it is ensured that rotor lower rotary shaft is positioned at logical
In hole 1, being put into by bearing in receiving chamber 31, temporarily fixed by fixed structure, lower mold is pressed for 2 times, and on rotor, rotating shaft is successively
Through bearing and through hole 2 32, reach bearing is nested into the purpose of rotating shaft on rotor.Owing on rotor, rotating shaft and bearing are tight
Coordinating, frictional force between the two, more than the frictional force between bearing and fixed structure, press-fits the complete bearing when upper mold 3 rises
Depart from fixed structure.
As it is shown in figure 1, fixed structure include some be uniformly located at accommodate chamber 31 sidewall radial direction shrinkage pool 33, be located at the most recessed
Step down ball 34 and the spring in hole 33, one end of spring acts on the bottom of radially shrinkage pool 33, and the other end of spring acts on steps down
On ball 34, ball 34 part of stepping down under the effect of this spring force stretches out radially shrinkage pool 33.
When being put into by bearing radially in shrinkage pool 33, bearing extrudes several balls 34 of stepping down simultaneously, make several springs with
Time compression, under the effect of spring force, drive step down ball 34 and bearing tight fit, the ball 34 frictional force with bearing of now stepping down
Less.
In the present embodiment, radially shrinkage pool 33 is 3-6, and i.e. radially shrinkage pool 33 is 3,4 or 6.
As it is shown in figure 1, be fixed with the support shaft 4 being vertically arranged on base 1 by attachment structure, by lock in support shaft 4
Locking structure is fixed with location-plate 5, as in figure 2 it is shown, have the bayonet socket 51 for positioning rotor body lateral wall on location-plate 5, and card
The angle of mouth 51 dual-sides is 90 °.
As it is shown in figure 1, locking mechanism to include that its inner being radially arranged on location-plate 5 is resisted against in support shaft 4 interior
Hexagonal tapered end holding screw 6, support shaft 4 has some along its axial equally distributed taper hole 41, interior hexagonal tapered end clamp screw
The inner of nail 6 is positioned in this taper hole 41.
Owing to being provided with some axial equally distributed taper holes 41 in support shaft 4, can realize location-plate 5 upper-lower position
Regulation, its concrete operation method is as follows: unclamps interior hexagonal tapered end holding screw 6, the upper-lower position of regulation location-plate 5, works as regulation
During to correct position (probably aliging with the middle part of rotor body), interior hexagonal tapered end holding screw 6 is tightened, and ensure interior hexagonal
The inner of tapered end holding screw 6 is positioned in taper hole 41.
As it is shown in figure 1, have the through hole 3 11 being coaxially disposed with through hole 1 on base 1, attachment structure includes being located at the end
The T-slot 12 radially extended along through hole 3 11 on seat 1 and the head 42 being located at support shaft 4 lower end, head 42 is positioned at T-slot 12
In, threaded in support shaft 4 have locking nut 7.
Lower end outside in support shaft 4 is provided with threaded one end and coordinates with locking nut 7, by regulation support shaft 4 in T-slot
Distance in 12 realizes the regulation support shaft 4 distance relative to through hole 3 11, thus reach to regulate location-plate 5 and rotor body it
The purpose of spacing.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (6)
1. a bearing press-fitting device, the lower mold (2) including base (1), being located on base (1) and be located at lower mold (2) top
Upper mold (3), it is characterised in that described lower mold (2) has the vertical cavity (21) for accommodating rotor body, described cavity
(21) there is in the through hole one (22) for accommodating rotor lower rotary shaft being coaxially disposed with cavity (21), described upper mold (3) tool
There is the receiving chamber (31) for accommodating bearing being coaxially disposed with cavity (21), have in described receiving chamber (31) and be coaxial therewith
The through hole two (32) for accommodating rotating shaft on rotor arranged, is provided with in described receiving chamber (31) for fixing the fixing of bearing
Structure.
Bearing press-fitting device the most according to claim 1, it is characterised in that described fixed structure includes some uniformly setting
In accommodating the radial direction shrinkage pool (33) of chamber (31) sidewall, the ball of stepping down (34) being located at radially shrinkage pool (33) and spring, described spring
One end acts on the bottom of radially shrinkage pool (33), and the other end of spring acts on ball of stepping down (34), at the work of this spring force
Radially shrinkage pool (33) is stretched out by lower described ball of stepping down (34) part.
Bearing press-fitting device the most according to claim 2, it is characterised in that described radial direction shrinkage pool (33) is 3-6.
Bearing press-fitting device the most according to claim 3, it is characterised in that pass through attachment structure on described base (1)
It is fixed with the support shaft (4) being vertically arranged, described support shaft (4) is fixed with location-plate (5) by locking mechanism, described
Having the bayonet socket (51) for positioning rotor body lateral wall on location-plate (5), the angle of described bayonet socket (51) dual-side is
90°。
Bearing press-fitting device the most according to claim 4, it is characterised in that described locking mechanism includes radially being arranged in
Interior hexagonal tapered end holding screw (6) that its inner on location-plate (5) is resisted against in support shaft (4), in described support shaft (4)
Having some along its axial equally distributed taper hole (41), the inner of described interior hexagonal tapered end holding screw (6) is positioned at this cone
In hole (41).
Bearing press-fitting device the most according to claim 5, it is characterised in that have and through hole one on described base (1)
(22) through hole three (11) being coaxially disposed, described attachment structure includes that is located on base (1) radially prolongs along through hole three (11)
The T-slot (12) stretched and the head (42) being located at support shaft (4) lower end, described head (42) is positioned at T-slot (12), described
Support shaft (4) upper the most threaded have locking nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620579437.XU CN205685258U (en) | 2016-06-15 | 2016-06-15 | Bearing press-fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620579437.XU CN205685258U (en) | 2016-06-15 | 2016-06-15 | Bearing press-fitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205685258U true CN205685258U (en) | 2016-11-16 |
Family
ID=57428829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620579437.XU Expired - Fee Related CN205685258U (en) | 2016-06-15 | 2016-06-15 | Bearing press-fitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205685258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856158A (en) * | 2016-06-15 | 2016-08-17 | 利欧集团浙江泵业有限公司 | Bearing press-fitting device |
-
2016
- 2016-06-15 CN CN201620579437.XU patent/CN205685258U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856158A (en) * | 2016-06-15 | 2016-08-17 | 利欧集团浙江泵业有限公司 | Bearing press-fitting device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20180615 |