CN208450417U - A kind of bearing closing in tool - Google Patents
A kind of bearing closing in tool Download PDFInfo
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- CN208450417U CN208450417U CN201820938279.1U CN201820938279U CN208450417U CN 208450417 U CN208450417 U CN 208450417U CN 201820938279 U CN201820938279 U CN 201820938279U CN 208450417 U CN208450417 U CN 208450417U
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Abstract
The utility model discloses a kind of bearing closing in tools, including matrix, are provided with the groove of open at its lower end along the direction for being parallel to matrix axis in matrix underpart, are fixed with the roller that can freely turn round in groove, and roller axis is vertical with matrix axis；In the both sides of the face of roller, adjusting washer is equipped at least between a side end face and groove inner wall.This closing in tool only needs a set of bearing closing in that can be suitable for all outer ring with grooves or shell with groove, applied widely.And, it is ensured that axially bored line and the concentricity of shell inner hole axis and the verticality of bearing face and shell inner hole in rolling process middle (center) bearing.It not only may be mounted at press machine, can also be installed in the plurality of devices such as radial drill, drilling machine, increase adaptation range.
Description
Technical field
The utility model belongs to mechanical processing technique technology, and in particular to a kind of bearing closing in tool.
Background technique
Bearing bottling technique is widely used in aviation field.Bearing closing in is after bearing is pressed into shell, to pass through dedicated receipts
Mouth tool and press device make housing parts material or bearing outer ring material that plastic deformation occur with a kind of technique of fixing bearing
Method.Common bearing closing in (fixation) type includes totally 5 kinds of 1 type, 2 types, 3 types, 4 types and 5 types.Wherein 1 type and 3 types close up
Without special groove on procapsid, 1 type is that rolling beading is filled using steel ball ring, and 3 types are circumferentially uniformly pressed using steel ball or formed punch
Tightly；There is special groove in 2 types and 4 type closing in procapsids, 2 types fill rolling beading using steel ball or roller ring, and 4 types are using steel ball
Or formed punch circumferentially uniformly compresses.The quality and closing in deflection and pressure that bearing closes up are closely related, can not effectively control receipts
Mouthful pressure and closing in deflection, which will will lead to after closing in, there is wrinkle, crackle and burr at groove, the bearing being immobilized in the shell
Occur unsmooth.
It is that 2 profile shafts hold closing in involved in this case, closes up specifically for the bearing of outer ring with groove or shell with groove.
For this class bearing, existing common closing in tool is primarily present following defect:
1. a kind of closing in tool can only correspond to a kind of bearing of model, if having replaced bearing type, need simultaneously more
Change closing in tool.
2. bearing and shell often through vice clamping, be on the one hand difficult to ensure after clamping fully horizontally, another party
Face close up apply vertical force when, bearing or shell are eventually led to not often due to stress point is unbalanced and local displacement occurs
It is able to satisfy the concentricity of brearing bore and shell inner hole axis and the verticality of bearing face and shell inner hole.
It is used 3. existing closing in tool can only be mounted on press machine, is not applied for other equipment.
Utility model content
In view of the above-mentioned problems, the utility model, which is intended to provide one kind, is applicable to the closing in of different model bearing and efficiently height
The bearing closing in tool of quality.
The technical solution that the utility model solves the problems, such as is: a kind of bearing closing in tool, including matrix, on matrix underpart edge
The direction for being parallel to matrix axis is provided with the groove of open at its lower end, and the roller that can freely turn round, and roller are fixed in groove
Axis is vertical with matrix axis；
In the both sides of the face of roller, adjusting washer is equipped at least between a side end face and groove inner wall.
The bearing closing in tool of above scheme closes up suitable for the bearing of outer ring with groove or shell with groove.If
Need the bearing to different model size to close up, then can according to the diameter of different grooves, the thickness of repair adjusting washer,
So that the position of roller closing in spur and different groove precise match.The bearing bottling technique for avoiding each model, all must
Must corresponding the case where designing a set of closing in tool, that is, this closing in tool only needs a set of to be suitable for all outer ring bands
The bearing of groove or shell with groove closes up, applied widely, has saved cost.
Further, there are two the groove is set, two grooves are all provided with relative to matrix axisymmetrical in each groove
There are adjusting washer and a roller.
The purpose of two rollers of symmetric design is for the more balanced stabilization of stress in the rolling process.
Further, the pin hole across groove, pin hole interpolation are offered on matrix, along the direction perpendicular to matrix axis
Entering has fixed pin, and fixed pin is arranged in the center of roller and adjusting washer.
Fixed pin is for fixing roller and adjusting washer.
It further, further include the positioning pin being detachably connected with matrix, positioning pin is arranged along matrix axis.
When closing in, positioning pin is inserted into brearing bore, to guarantee axially bored line and shell inner hole axis in rolling process middle (center) bearing
The concentricity and bearing face of line and the verticality of shell inner hole.
Dismountable purpose is the bearing demand in order to adapt to different model size, when changing bearing designation, it is only necessary to
The positioning pin of corresponding replacement different-diameter size.
Specifically, the positioning pin is step pin, blind hole is provided in matrix lower end surface, along matrix axis；
Positioning pin upper end be inserted into blind hole in, and with blind hole transition fit.
Further, described matrix is rotary structure, and matrix upper end is the cone with Morse's taper.This cone
Design, so that the closing in tool not only may be mounted at press machine, can also be installed in the plurality of devices such as radial drill, drilling machine,
Increase adaptation range.
Further, the roller is equipped with closing in spur, and the tip of closing in spur is equipped with the angle R.
The angle the R design of above-mentioned closing in spur is design method commonly used in the prior art.
The remarkable result of the utility model is:
1. closing in tool only needs a set of bearing that can be suitable for all outer ring with grooves or shell with groove
It closes up, it is applied widely.
2. the design of positioning pin can guarantee the concentricity of axially bored line and shell inner hole axis in rolling process middle (center) bearing, and
The verticality of bearing face and shell inner hole.
3. the closing in tool not only may be mounted at press machine, the plurality of devices such as radial drill, drilling machine can also be installed on
On, increase adaptation range.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is base structure main view.
Fig. 2 is base structure bottom view.
Fig. 3 is the utility model bearing closing in status diagram.
1 bearing and shell assembling schematic diagram for Fig. 4.
The enlarged drawing that Fig. 5 is in the preceding Fig. 4 of bearing closing in I.
Fig. 6 be after bearing closes up in Fig. 4 I enlarged drawing.
2 bearings and shell assembling schematic diagram for Fig. 7.
The enlarged drawing that Fig. 8 is in the preceding Fig. 7 of bearing closing in II.
Fig. 9 be after bearing closes up in Fig. 7 II enlarged drawing.
In figure: 1- matrix, 2- roller, 3- fixed pin, 4- adjusting washer, 5- positioning pin, 6- bearing, 7- shell, 8- groove,
10- groove, 11- blind hole, 21- closing in spur.
Specific embodiment
As shown in Figures 1 to 3, a kind of bearing closing in tool, matrix 1 including rotary structure are detachably connected with matrix 1
Positioning pin 5.1 upper end of matrix is the cone with Morse's taper.
The groove 10 of open at its lower end is provided with along the direction for being parallel to 1 axis of matrix in 1 lower part of matrix.Being equipped in groove 10 can
The roller 2 freely turned round.2 axis of roller is vertical with 1 axis of matrix.The roller 2 is equipped with closing in spur 21.Closing in spur 21
Tip be equipped with the angle R.
In the both sides of the face of roller 2, adjusting washer 4 is equipped between 10 inner wall of an at least side end face and groove.It is described recessed
There are two slot 10 is set, two grooves 10 are relative to 1 axisymmetrical of matrix.Adjusting washer 4 and one are equipped in each groove 10
A roller 2.
Offer the pin hole across groove 10 on matrix 1, along the direction perpendicular to 1 axis of matrix, in pin hole inserted with
Fixed pin 3, fixed pin 3 are arranged in the center of roller 2 and adjusting washer 4.
The positioning pin 5 is step pin.Positioning pin 5 is arranged along 1 axis of matrix.In 1 lower end surface of matrix, along 1 axis of matrix
It is provided with blind hole 11.5 upper end of positioning pin be inserted into blind hole 11 in, and with 11 transition fit of blind hole.
When operation, the preferable radial drill of a rigidity or drilling machine are selected, closing in tool upper end is packed into machine tool chief axis.It will
After bearing 6 is pressed into shell 7, it is fixed on platen with fixture.It adjusts the positioning end face of bearing 6 and machine tool chief axis center is hung down
Directly, to avoid scratching, one layer of lubricating grease is applied on due-in pressure surface.Slowly decline main shaft, by positioning pin 5 slowly close to bearing 6
Inner ring inner hole, adjust and continue after size to decline main shaft, until the inner ring inner hole of positioning pin 5 and bearing 6.Then it fixes
Main shaft continues slowly decline main shaft, it is ensured that the angle R of the closing in spur 21 of roller 2 is contacted with groove 8.Start lathe, main shaft is just
Turn, by 8 diameter of groove and rolling linear velocity, the speed of mainshaft is calculated, then the speed of mainshaft is adjusted to suitable revolving speed model
In enclosing, start to close up.
The position being arranged for groove 8 is different, and closing in process is slightly different, is illustrated below to both of these case.
Example 1, such as Fig. 4-6, when groove 8 is located on bearing 6, the closing in deformation plance A1 of groove 8 and the angle of vertical center line
α1Less than the angle β of close up non-deformed face B1 and vertical center line1。
When closing in, the closing in angle spur 21R of roller 2 squeezes closing in deformation plance A1 to 7 direction of shell, closing in deformation plance A1
It is plastically deformed after the power that is squeezed, is adjacent to the chamfering of shell 7, thus fixing bearing 6.Enough power receipts last items are continuously applied to hold
6, when operator feels that extruding force obviously increases, using the gap d 1 after dedicated feeler gauge inspection closing in, when gap d 1 is discontented
When foot requires, aforesaid operations are repeated, until completing to close up after gap d 1 is met the requirements.
Example 2, such as Fig. 7-9, when groove 8 is located on shell 7, the closing in deformation plance A2 of groove 8 and the folder of vertical center line
Angle α2Less than the angle β of close up non-deformed face B2 and vertical center line2.When closing in, the angle R of the closing in spur 21 of roller 2 will close up
Deformation plance A2 is squeezed to 6 outer ring direction of bearing, is plastically deformed, thus fixing bearing 6.Operating process is similar with example 1.
This closing in tool is suitable for the bearing of outer ring with groove and is mounted on the bearing closing in of with groove shell.With operation
Simply, the high-efficient, product quality that closes up is easily guaranteed that, breaches the problem of carrying out bearing closing in by press machine merely, is realized
The bearing of high-effect high-quality closes up, and ensure that the concentricity and bearing face and shell of brearing bore and shell inner hole axis
The verticality in internal hole, and can accurately control closing in deflection and closing in pressure.
Claims (7)
1. a kind of bearing closing in tool, including matrix (1), it is characterised in that: be parallel to matrix (1) axis on matrix (1) lower part edge
The direction of line is provided with the groove (10) of open at its lower end, is fixed with the roller (2) that can freely turn round, and roller in groove (10)
(2) axis is vertical with matrix (1) axis；
In the both sides of the face of roller (2), adjusting washer (4) are equipped between an at least side end face and groove (10) inner wall.
2. bearing closing in tool according to claim 1, it is characterised in that: there are two the groove (10) sets, two recessed
For slot (10) relative to matrix (1) axisymmetrical, each groove (10) is interior to be equipped with adjusting washer (4) and a roller (2).
3. bearing closing in tool according to claim 1 or 2, it is characterised in that: on matrix (1), along perpendicular to matrix
(1) direction of axis offers the pin hole across groove (10), and pin hole is interior inserted with fixed pin (3), and fixed pin (3) is arranged in rolling
The center of sub (2) and adjusting washer (4).
4. bearing closing in tool according to claim 1, it is characterised in that: further include being detachably connected with matrix (1)
Positioning pin (5), positioning pin (5) are arranged along matrix (1) axis.
5. bearing closing in tool according to claim 4, it is characterised in that: the positioning pin (5) is step pin, in matrix
(1) lower end surface, along matrix (1), axis is provided with blind hole (11)；
Positioning pin (5) upper end be inserted into blind hole (11) in, and with blind hole (11) transition fit.
6. bearing closing in tool according to claim 1, it is characterised in that: described matrix (1) is rotary structure, matrix
(1) upper end is the cone with Morse's taper.
7. bearing closing in tool according to claim 1, it is characterised in that: the roller (2) is equipped with closing in spur
(21), the tip of closing in spur (21) is equipped with the angle R.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820938279.1U CN208450417U (en) | 2018-06-19 | 2018-06-19 | A kind of bearing closing in tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820938279.1U CN208450417U (en) | 2018-06-19 | 2018-06-19 | A kind of bearing closing in tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208450417U true CN208450417U (en) | 2019-02-01 |
Family
ID=65161056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820938279.1U Active CN208450417U (en) | 2018-06-19 | 2018-06-19 | A kind of bearing closing in tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN208450417U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559065A (en) * | 2022-02-25 | 2022-05-31 | 西安航天发动机有限公司 | Tool for closing joint bearing |
| CN114798928A (en) * | 2022-04-25 | 2022-07-29 | 中国航发成都发动机有限公司 | Closing device and closing method of electric pull rod after pushing force-bearing piece reversely |
-
2018
- 2018-06-19 CN CN201820938279.1U patent/CN208450417U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559065A (en) * | 2022-02-25 | 2022-05-31 | 西安航天发动机有限公司 | Tool for closing joint bearing |
| CN114798928A (en) * | 2022-04-25 | 2022-07-29 | 中国航发成都发动机有限公司 | Closing device and closing method of electric pull rod after pushing force-bearing piece reversely |
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