CN105856158A - Bearing press-fitting device - Google Patents
Bearing press-fitting device Download PDFInfo
- Publication number
- CN105856158A CN105856158A CN201610430402.4A CN201610430402A CN105856158A CN 105856158 A CN105856158 A CN 105856158A CN 201610430402 A CN201610430402 A CN 201610430402A CN 105856158 A CN105856158 A CN 105856158A
- Authority
- CN
- China
- Prior art keywords
- bearing
- hole
- fitting device
- press
- support shaft
- 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.)
- Pending
Links
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
- B25B27/062—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races using screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention provides a bearing press-fitting device, belongs to the technical field of machinery, and aims to solve the problem that the bearings are dismounted and changed due to bearing noise generated in the assembling as the conventional bearing press-fitting devices are low in press-fitting precision. The bearing press-fitting device comprises a base, a lower die on the base and an upper die above the lower die, wherein a vertical concave cavity which is used for containing a rotor body is arranged in the lower die; a through hole I which is coaxial with the concave cavity and is used for containing a rotor lower rotation shaft is formed in the concave cavity; a containing cavity which is coaxial with the concave cavity and is used for containing a bearing is arranged in the upper die; a through hole II which is coaxial with the containing cavity and is used for containing a rotor upper rotation shaft is formed in the containing cavity; a fixing structure which is used for fixing the bearing is arranged in the containing cavity. The bearing press-fitting device has the advantages of being high in press-fitting precision and good in press-fitting effect.
Description
Technical field
The invention belongs to field of mechanical technique, relate 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 axial workpiece righting, beats axial workpiece or bearing by external force, will
Bearing is nested on axial workpiece.Such as, existing pump motor bearing press-fitting device exists
During use, operator needs manually to put in lower press fitting clamping fixture by a bearing, by rotor
Put into pressing machine, another bearing is put into armature spindle upper end, carry out with hand steered rotor
Bearings at both ends press-fits.This press-loading apparatus, scrappage qualification rate high, disposable is low, even
Connect rear axiality poor, and press-loading process inefficiency, operational hazards coefficient is big, workman
Working strength big, it is impossible to enough batch productions.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of
Press-fit precision height, press-fit effective bearing press-fitting device.
The purpose of the present invention 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 lower mold
The upper mold of top, it is characterised in that described lower mold has for accommodating rotor body
Vertically cavity, have in described cavity be coaxially disposed with cavity for accommodating under rotor
The through hole one of rotating shaft, described upper mold have be coaxially disposed with cavity for accommodating bearing
Receiving chamber, described accommodate intracavity have be coaxial therewith arranging for accommodating rotor
The through hole two of rotating shaft, the described intracavity that accommodates 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 one, bearing is put into receiving intracavity, passes through fixed knot
Structure is temporarily fixed, and presses under lower mold, and on rotor, rotating shaft sequentially passes through bearing and through hole two, reaches
To bearing being nested into the purpose of rotating shaft on rotor.Owing on rotor, rotating shaft and bearing are tight
Coordinating, frictional force between the two is more than the frictional force between bearing and fixed structure, pressure
Install and finish the bearing disengaging fixed structure when upper mold rises.
In above-mentioned bearing press-fitting device, described fixed structure includes some uniformly setting
In accommodating the radial direction shrinkage pool of chamber sidewall, being located at the ball and spring of stepping down of radially shrinkage pool, described
One end of spring acts on the bottom of radially shrinkage pool, and the other end of spring acts on ball of stepping down
On, 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,
Make several springs compress simultaneously, under the effect of spring force, drive step down ball and bearing
Tight fit, 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 connected by attachment structure
There is the support shaft being vertically arranged, described support shaft is fixed with location by locking mechanism
Plate, described location-plate has the bayonet socket for positioning rotor body lateral wall, described
The angle of bayonet socket dual-side is 90 °.
In above-mentioned bearing press-fitting device, described locking mechanism includes radially being arranged in
The interior hexagonal tapered end holding screw that its inner on location-plate is resisted against in support shaft, described
Support shaft on have some along its axial equally distributed taper hole, described interior hexagonal tapered end
The inner of holding screw is positioned in this taper hole.
Owing to being provided with some axial equally distributed taper holes in support shaft, can realize fixed
The regulation of position plate upper-lower position, its concrete operation method is as follows: unclamp interior hexagonal tapered end tight
Determine screw, the upper-lower position of regulation location-plate, when be adjusted to correct position (general with turn
The middle part alignment of sub-body) time, interior hexagonal tapered end holding screw is tightened, and ensures interior
The inner of hexagonal tapered end holding screw is positioned in taper hole.
In above-mentioned bearing press-fitting device, described base have coaxial with through hole one
The through hole three arranged, described attachment structure include being located on base along through hole three radially
The T-slot extended and the head being located at support shaft lower end, described head is positioned at T-slot
In, 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 adjusting
Joint support shaft distance in T-slot realize regulation support shaft relative to through hole three away from
From, thus reach the purpose regulating location-plate with the spacing of rotor body.
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
The horizontal and vertical regulation of location-plate can be realized so that it is meet the bearing of different model rotor
Press-fit work, applied widely；By arranging receiving chamber in upper mold and accommodating intracavity
Fixed structure is set, 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 the present invention provides.
Fig. 2 is the top view of the location-plate that the present invention 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, chamber is accommodated；32, through hole two；33, footpath
To shrinkage pool；34, step down ball；4, support shaft；41, taper hole；42, head；5, fixed
Position plate；51, bayonet socket；6, interior hexagonal tapered end holding screw；7, locking nut.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
Bearing press-fitting device as shown in Figure 1, including base 1, is located on base 1
Lower mold 2 and be located at the upper mold 3 above lower mold 2, lower mold 2 have for accommodate rotor this
The vertical cavity 21 of body, have in cavity 21 be coaxially disposed with cavity 21 for accommodating
The through hole 1 of rotor lower rotary shaft, upper mold 3 have be coaxially disposed with cavity 21 for
Accommodate the receiving chamber 31 of bearing, accommodate in chamber 31 have be coaxial therewith arranging for holding
Receive the through hole 2 32 of rotating shaft on rotor, be provided with for fixing consolidating of bearing in accommodating chamber 31
Fixed structure.
When rotor is carried out bearing press mounting, first rotor body is put in cavity 21, protect
Card rotor lower rotary shaft is positioned at through hole 1, is put into by bearing in receiving chamber 31, logical
Crossing fixed structure temporarily to fix, lower mold is pressed for 2 times, on rotor rotating shaft sequentially pass through bearing and
Through hole 2 32, reaches bearing is nested into the purpose of rotating shaft on rotor.Owing to turning on rotor
Axle and bearing are tight fit, and frictional force between the two is more than between bearing and fixed structure
Frictional force, press-fit complete when upper mold 3 rises bearing depart from fixed structure.
As it is shown in figure 1, fixed structure includes some footpaths be uniformly located at and accommodate chamber 31 sidewall
To shrinkage pool 33, step down ball 34 and the spring of being located at radially shrinkage pool 33, one end of spring is made
Being used in the bottom of radially shrinkage pool 33, 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 of stepping down simultaneously
34, make several springs compress simultaneously, under the effect of spring force, drive ball 34 of stepping down
With bearing tight fit, ball 34 of now stepping down is less with the frictional force of bearing.
In the present embodiment, radially shrinkage pool 33 is 3-6, i.e. radially shrinkage pool 33 be 3,
4 or 6.
As it is shown in figure 1, be fixed with the support being vertically arranged on base 1 by attachment structure
Axle 4, support shaft 4 is fixed with location-plate 5 by locking mechanism, as in figure 2 it is shown, fixed
On the plate 5 of position, there are the bayonet socket 51 for positioning rotor body lateral wall, bayonet socket 51 both sides
The angle on limit is 90 °.
As it is shown in figure 1, locking mechanism includes its inner being radially arranged on location-plate 5
The interior hexagonal tapered end holding screw 6 being resisted against in support shaft 4, if having in support shaft 4
Dry along its axial equally distributed taper hole 41, the inner of interior hexagonal tapered end holding screw 6 is fixed
Position is in this taper hole 41.
Owing to being provided with some axial equally distributed taper holes 41 in support shaft 4, can realize
Regulation to location-plate 5 upper-lower position, its concrete operation method is as follows: unclamp interior hexagonal
Tapered end holding screw 6, the upper-lower position of regulation location-plate 5, when being adjusted to correct position
Time (probably aliging with the middle part of rotor body), interior hexagonal tapered end holding screw 6 is twisted
Tightly, the inner of hexagonal tapered end holding screw 6 is positioned in taper hole 41 and in ensureing.
As it is shown in figure 1, have the through hole three being coaxially disposed with through hole 1 on base 1
11, attachment structure includes the T-slot radially extended along through hole 3 11 being located on base 1
12 and be located at the head 42 of support shaft 4 lower end, head 42 is positioned at T-slot 12,
Threaded on support axle 4 have locking nut 7.
Lower end outside in support shaft 4 is provided with threaded one end and coordinates with locking nut 7, logical
Overregulate the support shaft 4 distance in T-slot 12 and realize regulation support shaft 4 relative to logical
The distance in hole 3 11, thus reach the mesh regulating location-plate 5 with the spacing of rotor body
's.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Claims (6)
1. a bearing press-fitting device, including base (1), is located on base (1)
Lower mold (2) and be located at lower mold (2) top upper mold (3), it is characterised in that described
Lower mold (2) there is the vertical cavity (21) for accommodating rotor body, described is recessed
Have in chamber (21) with cavity (21) be coaxially disposed for accommodating rotor lower rotary shaft
Through hole one (22), described upper mold (3) has the use being coaxially disposed with cavity (21)
In the receiving chamber (31) of receiving bearing, have in described receiving chamber (31) and be coaxial therewith
The through hole two (32) for accommodating rotating shaft on rotor arranged, described receiving chamber (31)
Inside it is provided with the fixed structure for fixing bearing.
Bearing press-fitting device the most according to claim 1, it is characterised in that described
Fixed structure include some uniformly be located at accommodate chamber (31) sidewall radial direction shrinkage pool (33),
Being located at ball of stepping down (34) and the spring of radially shrinkage pool (33), one end of described spring is made
Being used in the bottom of radially shrinkage pool (33), the other end of spring acts on ball of stepping down (34)
On, ball of stepping down (34) part described under the effect of this spring force is stretched out the most recessed
Hole (33).
Bearing press-fitting device the most according to claim 2, it is characterised in that described
Radial direction shrinkage pool (33) be 3-6.
Bearing press-fitting device the most according to claim 3, it is characterised in that described
Base (1) on be fixed with the support shaft (4) being vertically arranged by attachment structure, described
Support shaft (4) on be fixed with location-plate (5), described location-plate by locking mechanism
(5) there is on the bayonet socket (51) for positioning rotor body lateral wall, described bayonet socket (51)
The angle of dual-side is 90 °.
Bearing press-fitting device the most according to claim 4, it is characterised in that described
Locking mechanism include that its inner being radially arranged on location-plate (5) is resisted against support shaft
(4) interior hexagonal tapered end holding screw (6) on, described support shaft (4) has
Some along its axial equally distributed taper hole (41), described interior hexagonal tapered end holding screw (6)
The inner be positioned at this taper hole (41) in.
Bearing press-fitting device the most according to claim 5, it is characterised in that described
Base (1) on there is the through hole three (11) being coaxially disposed with through hole one (22), institute
What what the attachment structure stated included being located on base (1) radially extended along through hole three (11)
T-slot (12) and be located at the head (42) of support shaft (4) lower end, described head
(42) being positioned at T-slot (12), described support shaft (4) is the most threaded lock
Jack panel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610430402.4A CN105856158A (en) | 2016-06-15 | 2016-06-15 | Bearing press-fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610430402.4A CN105856158A (en) | 2016-06-15 | 2016-06-15 | Bearing press-fitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105856158A true CN105856158A (en) | 2016-08-17 |
Family
ID=56650731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610430402.4A Pending CN105856158A (en) | 2016-06-15 | 2016-06-15 | Bearing press-fitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105856158A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787529A (en) * | 2016-12-16 | 2017-05-31 | 智德电机（苏州）有限公司 | A kind of rotor bearing press-in device |
| CN114161362A (en) * | 2021-12-24 | 2022-03-11 | 北京新风航天装备有限公司 | Guiding type bearing installation pressing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU448946A2 (en) * | 1972-07-21 | 1974-11-05 | Московский Трижды Ордена Ленина И Ордена Трудового Красного Знамени Автомобильный Завод Им.И.А.Лихачева | Tool for pressing out and pressing in bearings of cardan joints |
| CN202271148U (en) * | 2011-09-07 | 2012-06-13 | 杭州微光电子股份有限公司 | Special tool for pressing bearing |
| CN102699673A (en) * | 2012-06-27 | 2012-10-03 | 横店集团联宜电机有限公司 | Press fitting device for bearing |
| CN205271334U (en) * | 2015-12-23 | 2016-06-01 | 江苏金也汽车配件有限公司 | Supplementary assembly quality of car steering column bearing |
| CN205685258U (en) * | 2016-06-15 | 2016-11-16 | 利欧集团浙江泵业有限公司 | Bearing press-fitting device |
-
2016
- 2016-06-15 CN CN201610430402.4A patent/CN105856158A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU448946A2 (en) * | 1972-07-21 | 1974-11-05 | Московский Трижды Ордена Ленина И Ордена Трудового Красного Знамени Автомобильный Завод Им.И.А.Лихачева | Tool for pressing out and pressing in bearings of cardan joints |
| CN202271148U (en) * | 2011-09-07 | 2012-06-13 | 杭州微光电子股份有限公司 | Special tool for pressing bearing |
| CN102699673A (en) * | 2012-06-27 | 2012-10-03 | 横店集团联宜电机有限公司 | Press fitting device for bearing |
| CN205271334U (en) * | 2015-12-23 | 2016-06-01 | 江苏金也汽车配件有限公司 | Supplementary assembly quality of car steering column bearing |
| CN205685258U (en) * | 2016-06-15 | 2016-11-16 | 利欧集团浙江泵业有限公司 | Bearing press-fitting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787529A (en) * | 2016-12-16 | 2017-05-31 | 智德电机（苏州）有限公司 | A kind of rotor bearing press-in device |
| CN114161362A (en) * | 2021-12-24 | 2022-03-11 | 北京新风航天装备有限公司 | Guiding type bearing installation pressing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160817 |