CN206527496U - Back-up ring press-in device - Google Patents
Back-up ring press-in device Download PDFInfo
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- CN206527496U CN206527496U CN201621358104.0U CN201621358104U CN206527496U CN 206527496 U CN206527496 U CN 206527496U CN 201621358104 U CN201621358104 U CN 201621358104U CN 206527496 U CN206527496 U CN 206527496U
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Abstract
Back-up ring press-in device of the present utility model, including for stretching into the depression bar in bearing chamber, one end of depression bar is provided with the magnetic element being provided with accommodating chamber, accommodating chamber for adsorbing back-up ring, and the bottom surface of magnetic element is vertical with the axis of depression bar.The technical solution of the utility model is located at the situation of bearing depressed indoors position, the recessed position that depression bar can be extend into bearing chamber for spindle nose, then back-up ring is pressed into, and operates easy, accurate, suitable high-volume automated production operation.
Description
Technical field
The utility model is related to mechanical engineering field, more particularly to a kind of back-up ring press-in device.
Background technology
Circlip for shaft (hereinafter referred to as back-up ring) is a kind of very common part, is widely used on axial workpiece.It is existing
Back-up ring press-in scheme be：Back-up ring is placed on spindle nose chamfering section or guide section, then it is bigger than spindle nose diameter with a diameter of bore
Pressure head the back-up ring is depressed into neck, combined by back-up ring with neck, prevent pressure head continue to move downward.
The defect of existing press-in scheme is：When back-up ring is placed on spindle nose chamfering section or guide section, back-up ring can not accurately be consolidated
Fixed, back-up ring is easily tilted or dropped, and particularly when spindle nose is located at bearing chamber concave interior, back-up ring, which is tilted, to be pressed into band to back-up ring
Carry out difficulty, influence production efficiency, or even cause product rejection.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in construction, it is ensured that the back-up ring that back-up ring is accurately pressed into
Press-in device.
Back-up ring press-in device of the present utility model, including for stretching into the depression bar in bearing chamber, one end of the depression bar is set
It is equipped with accommodating chamber, the accommodating chamber and is provided with magnetic element, the bottom surface of the magnetic element is vertical with the axis of the depression bar,
The magnetic element is used to produce axial magnetic, to adsorb back-up ring and back-up ring is attached on the end face of the depression bar.
Back-up ring press-in device of the present utility model, wherein, the depression bar is provided centrally with axially extending through hole, described
The axis of through hole is overlapped with the axis of the depression bar, and the through hole is shoulder hole, and the through hole includes arranging from top to bottom
The first coaxial straight section, the second straight section, the 3rd straight section of row, the first straight section, the second straight section, the diameter of the 3rd straight section are passed successively
Subtract.
Back-up ring press-in device of the present utility model, wherein, fixed column is provided with the through hole and locating dowel is slided,
The fixed column is installed in first straight section, and the slip locating dowel includes spacing section, the less positioning section of diameter and straight
The minimum top in footpath, spacing section, positioning section and top are arranged from top to bottom, between the internal diameter of the diameter of the top and the back-up ring
Gap coordinates, so that the top can penetrate the back-up ring, spacing section of the slip locating dowel is located at the second straight section of through hole
Interior, the diameter of the 3rd straight section is less than described spacing section of diameter, with, the length of threeth straight section spacing to described spacing section
Degree is longer than the length of the positioning section, and when being in restraining position for described spacing section, the top is stretched from the 3rd straight section
Go out a part, be easy to through back-up ring, be provided with and determine for propping up described slide between the slip locating dowel and the fixed column
The flexible member of position post.
Back-up ring press-in device of the present utility model, wherein, axis of the magnetic element around the through hole.
Back-up ring press-in device of the present utility model, wherein, in the inner wall surface of the first straight section of the through hole is provided with
Screw thread, the outer wall surface of the fixed column is provided with external screw thread, described solid by the internal thread and the externally threaded cooperation
Fixed column can rise or fall in the first straight section of the through hole.
Back-up ring press-in device of the present utility model, wherein, the flexible member is the spring being pressurized, one end of the spring
Offseted with the fixed column, the other end of the spring offsets with slide locating dowel spacing section.
Back-up ring press-in device of the present utility model, wherein, the lateral wall of the depression bar and the inwall gap of bearing chamber coordinate.
Back-up ring press-in device of the present utility model, wherein, in addition to elastic element, the elastic element is used for the pressure
Bar promotes the inside of bearing chamber.
The technical solution of the utility model is located at the situation of bearing depressed indoors position for spindle nose, can extend into depression bar
Recessed position in bearing chamber, then back-up ring is pressed into, operate easy, accurate, suitable high-volume automated production operation.
Brief description of the drawings
Fig. 1 is the exploded view of the structural representation of back-up ring press-in device of the present utility model；
Fig. 2 is the front view of the structural representation of back-up ring press-in device of the present utility model；
Fig. 3 is the step of carrying out back-up ring press-in using back-up ring press-in device of the present utility model one schematic diagram；
Fig. 4 is the step of carrying out back-up ring press-in using back-up ring press-in device of the present utility model two schematic diagram；
Fig. 5 is the step of carrying out back-up ring press-in using back-up ring press-in device of the present utility model three schematic diagram；
Fig. 6 is the step of carrying out back-up ring press-in using back-up ring press-in device of the present utility model four schematic diagram.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, back-up ring press-in device of the present utility model, including for stretching into the pressure in bearing chamber 10
Bar 1, one end of depression bar 1 is provided with the magnetic element 3 being provided with accommodating chamber 2, accommodating chamber 2 for adsorbing back-up ring 20, magnetic member
The bottom surface of part 3 is vertical with the axis of depression bar 1, and the bottom surface of magnetic element 3 is concordant or lower slightly with the end face of depression bar 1.Magnetic element 3 is used
In producing axial magnetic, to adsorb back-up ring 20 and back-up ring 20 is attached on the end face of depression bar 1.
Back-up ring press-in device of the present utility model, wherein, depression bar 1 is provided centrally with axially extending through hole 4, through hole
4 axis is overlapped with the axis of depression bar 1, and fixed column 5 is provided with through hole 4 and locating dowel 6 is slided, fixed column 5 is installed on
Top in through hole 4, slides the bottom that locating dowel 6 is slidably disposed in through hole 4, slides locating dowel 6 and fixed column 5
Between be provided with for prop up slide locating dowel flexible member 7.
Back-up ring press-in device of the present utility model, wherein, axis of the magnetic element 3 around through hole 4.
Back-up ring press-in device of the present utility model, wherein, magnetic element 3 is multiple, and multiple magnetic elements 3 are in same level
Face and the axis distribution for surrounding through hole 4.
Through hole 4 includes the first coaxial straight section 41, the second straight section 42, the 3rd straight section 43, first arranged from top to bottom
Straight section 41, the second straight section 42, the diameter of the 3rd straight section 43 successively decrease successively.
Fixed column 5 is provided with through hole 4 and locating dowel 6 is slided, fixed column 5 is installed in the first straight section 41, is slided
Locating dowel 6 includes the minimum top 8 of spacing section 61, the less positioning section 62 of diameter and diameter, spacing section 61, positioning section 62 and top
First 8 arrange from top to bottom, and the diameter of top 8 and the internal diameter gap of back-up ring coordinate, so that top 8 can penetrate back-up ring 20, it is fixed to slide
Spacing section 61 of position post 6 is located in the second straight section 42 of through hole 4, and the diameter of the 3rd straight section 43 is less than spacing section 61 of diameter,
With 61 spacing to spacing section, the length of the 3rd straight section 43 is longer than the length of positioning section 61, when being in restraining position for spacing section 61,
A part is stretched out in top 8 from the 3rd straight section 43, is easy to through back-up ring, and sliding to be provided between locating dowel 6 and fixed column 5 is used for
Prop up the flexible member 7 for sliding locating dowel 6.
Back-up ring press-in device of the present utility model, wherein, the inner wall surface of the first straight section of through hole 4 is provided with interior spiral shell
Line, the outer wall surface of fixed column 5 is provided with external screw thread, is coordinated by internal thread with externally threaded, fixed column 5 can be in through hole 4
The first straight section in rise or fall.
Back-up ring press-in device of the present utility model, wherein, flexible member 7 is the spring being pressurized, one end of spring and fixation
Post 5 offsets, and the other end of spring offsets with sliding spacing section of end face of locating dowel 6.
Back-up ring press-in device of the present utility model, wherein, the lateral wall of depression bar 1 coordinates with the inwall gap of bearing chamber 10.
In the other embodiment of back-up ring press-in device of the present utility model, in addition to elastic element, elastic element is used for will
Depression bar promotes the inside of bearing chamber.Elastic element can be the sleeve with spring, the lateral wall of the sleeve and bearing chamber
Inwall gap coordinates, and the side wall of sleeve is oriented to depression bar, and the spring of the inside of sleeve is used to depression bar promoting bearing chamber
It is internal, it is ensured that the 3rd straight section 43 presses the spindle nose of back-up ring concentric with needing.
Back-up ring press-in device of the present utility model, depression bar selects permeability magnetic material, sharp processing into post or shaft-like, can and bearing
Room gap coordinates.The magnetic conduction direction of magnetic element is axially, magnetic element is embedded in the accommodating chamber of depression bar end, makes depression bar end
Magnetic with axial direction.
Top 8 coordinates with back-up ring ring gap, and back-up ring can be penetrated freely；Between the positioning section and the 3rd straight section that slide locating dowel
Gap coordinates, and the 3rd straight section can flexibly be passed through by sliding the positioning section of locating dowel, come directly towards 8 extended depression bars, so as to be enclosed on top
Back-up ring is sucked and is close on the face of cylinder of depression bar end.
Spring one end withstands the slip locating dowel in depression bar, and the fixed column 5 that the other end is then threaded into the first straight section 41 is withstood,
The elastic force that locating dowel 6 is born can be slided by adjusting axial distance regulation of the fixed column 5 with sliding locating dowel 6, be cased with
The top 8 of back-up ring is born more than the elastic force when heading into power upwards, and top 8 can be retracted in depression bar.
The aperture ratio of 3rd straight section 43 of through hole 4 needs to press the spindle nose diameter of back-up ring bigger, when depression bar is pushed, spindle nose
8 contacted with top, top 8 is up headed into the 3rd straight section 43, and cause the back-up ring being enclosed on originally on top 8 to be taken advantage of a situation importing axle
Head, by pushing for depression bar end face, back-up ring position on axle is pressed onto by back-up ring, and now spindle nose protruding parts then stretch into the 3rd straight section 43
In.
The profile of depression bar is coordinated by forming gap with some characteristic shape (such as bearing chamber) of axle positioning function part,
So that the 3rd straight section 43 is with needing to press the axle of back-up ring to be in concentric position；This gap coordinates in addition to being directly engaged firmly,
It can also realize that telescopic gap coordinates by elastic element, it is ensured that the 3rd straight section is in concentric position with above-mentioned axle.
The technical solution of the utility model is located at the situation of bearing depressed indoors position for spindle nose, can extend into depression bar
Recessed position in bearing chamber, then back-up ring is pressed into, operate easy, accurate, suitable high-volume automated production operation.
The step of carrying out back-up ring press-in using back-up ring press-in device of the present utility model is as follows：
Step 1: with reference to shown in Fig. 3, by 20 sets of top ends 8 of back-up ring, back-up ring is inhaled by the magneticaction of the end of depression bar 1
Attached to be close on the end face of the end of depression bar 1, magnetic force derives from depression bar end or magnetic element；
Step 2: with reference to shown in Fig. 4, the depression bar for having adsorbed back-up ring is pushed, make the outer wall and the function of axle periphery of depression bar
Part coordinates and (such as coordinated with the introducing port of bearing chamber), and the end of top is contacted with spindle nose；
Step 3: with reference to shown in Fig. 5, continuation pushes depression bar, now top will upwards be pushed up by spindle nose is moved back, and back-up ring will be put
Spindle nose, depression bar is taken advantage of a situation pressure, and until back-up ring enters circlip groove on axle (back-up ring position), depression bar can not continue toward down stroke；
Step 4: with reference to shown in Fig. 6, now discharging the power that presses downward on depression bar, locating dowel is slided under elastic force effect
Voluntarily reply, back-up ring is separated with depression bar end face, pressure back-up ring process is to accuse to complete.
The technical solution of the utility model by one can elastic telescopic slip locating dowel in radially fixed back-up ring, be used in combination
Back-up ring is adsorbed onto depression bar end by magnetic depression bar end or magnetic element, is formed to the accurate of back-up ring and stable fixation,
Back-up ring need to be only set to during operation on top, the magnetic or magnetic element of depression bar can suck back-up ring, and back-up ring clings to depression bar
End face, after back-up ring is pressed into, back-up ring can be separated easily with depression bar, and operation is easy, accurate, is easy to duplication of production, be adapted to large quantities of
Measure automated production operation.
The technical solution of the utility model can ensure that back-up ring endoporus and spindle nose are concentric, realize the accurate quick of press-in, convenient
Production.
The beneficial effect of the technical solution of the utility model：
When the 1st, being pressed into, slip locating dowel is headed on by spindle nose and constantly retreated, it is unchanged to remain pressed into process back-up ring position, from
And ensure the accurate of process of press in；
2nd, the influence of back-up ring self gravitation is overcome using magnetic, does not fall out back-up ring, and be close to depression bar table always
Face, until back-up ring press-in back-up ring position, it is ensured that process of press in is stable, it is ensured that the quality of batch production.
It the above is only preferred embodiment of the present utility model, it is noted that for the ordinary skill people of the art
For member, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of back-up ring press-in device, it is characterised in that including for stretching into the depression bar in bearing chamber, one end of the depression bar is set
It is equipped with accommodating chamber, the accommodating chamber and is provided with magnetic element, the bottom surface of the magnetic element is vertical with the axis of the depression bar,
The magnetic element is used to produce axial magnetic, to adsorb back-up ring and back-up ring is attached on the end face of the depression bar.
2. back-up ring press-in device as claimed in claim 1, it is characterised in that the depression bar is provided centrally with axially extending pass through
Through hole, the axis of the through hole is overlapped with the axis of the depression bar, the through hole be shoulder hole, the through hole include by
The first coaxial straight section, the second straight section, the 3rd straight section, the first straight section, the second straight section, the diameter of the 3rd straight section of top to bottm arrangement
Successively decrease successively.
3. back-up ring press-in device as claimed in claim 2, it is characterised in that fixed column and cunning are provided with the through hole
Dynamic locating dowel, the fixed column is installed in first straight section, the slip locating dowel include spacing section, diameter it is less fixed
Position section and the minimum top of diameter, spacing section, positioning section and top are arranged from top to bottom, the diameter of the top and the back-up ring
Internal diameter gap coordinate so that the top can penetrate the back-up ring, spacing section of the slip locating dowel is located at through hole
In second straight section, the diameter of the 3rd straight section is less than described spacing section of diameter, with spacing to described spacing section, and the described 3rd
The length of straight section is longer than the length of the positioning section, and when being in restraining position for described spacing section, the top is from the described 3rd
A part is stretched out in straight section, is easy to through back-up ring, is provided between the slip locating dowel and the fixed column for propping up institute
State the flexible member for sliding locating dowel.
4. back-up ring press-in device as claimed in claim 3, it is characterised in that axle of the magnetic element around the through hole
Line.
5. back-up ring press-in device as claimed in claim 4, it is characterised in that the inner wall surface of the first straight section of the through hole
Internal thread is provided with, the outer wall surface of the fixed column is provided with external screw thread, externally threaded is matched somebody with somebody with described by the internal thread
Close, the fixed column can rise or fall in the first straight section of the through hole.
6. back-up ring press-in device as claimed in claim 5, it is characterised in that the flexible member is the spring being pressurized, described
One end of spring offsets with the fixed column, and the other end of the spring offsets with slide locating dowel spacing section.
7. back-up ring press-in device as claimed in claim 6, it is characterised in that the lateral wall of the depression bar and the inwall of bearing chamber
Gap coordinates.
8. back-up ring press-in device as claimed in claim 7, it is characterised in that also including elastic element, the elastic element is used
In the inside that the depression bar is promoted to bearing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621358104.0U CN206527496U (en) | 2016-12-12 | 2016-12-12 | Back-up ring press-in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621358104.0U CN206527496U (en) | 2016-12-12 | 2016-12-12 | Back-up ring press-in device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206527496U true CN206527496U (en) | 2017-09-29 |
Family
ID=59922707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621358104.0U Active CN206527496U (en) | 2016-12-12 | 2016-12-12 | Back-up ring press-in device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206527496U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108908217A (en) * | 2018-08-08 | 2018-11-30 | 德清县新达电气有限公司 | A kind of novel jump ring mounting tool |
| CN110605546A (en) * | 2018-06-15 | 2019-12-24 | 上海新宇箴诚电控科技有限公司 | Device and method for automatically installing E-shaped clamp spring |
| CN112775645A (en) * | 2021-01-26 | 2021-05-11 | 重庆传动轴股份有限公司 | Transmission shaft fork riveting and plugging cover die |
| CN115415774A (en) * | 2022-09-20 | 2022-12-02 | 国营川西机器厂 | A partial shipment device that is used for aeroengine to add accent spiral shell lid subassembly |
-
2016
- 2016-12-12 CN CN201621358104.0U patent/CN206527496U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605546A (en) * | 2018-06-15 | 2019-12-24 | 上海新宇箴诚电控科技有限公司 | Device and method for automatically installing E-shaped clamp spring |
| CN108908217A (en) * | 2018-08-08 | 2018-11-30 | 德清县新达电气有限公司 | A kind of novel jump ring mounting tool |
| CN112775645A (en) * | 2021-01-26 | 2021-05-11 | 重庆传动轴股份有限公司 | Transmission shaft fork riveting and plugging cover die |
| CN115415774A (en) * | 2022-09-20 | 2022-12-02 | 国营川西机器厂 | A partial shipment device that is used for aeroengine to add accent spiral shell lid subassembly |
| CN115415774B (en) * | 2022-09-20 | 2024-05-14 | 国营川西机器厂 | Split charging device for aeroengine adjusting screw cap assembly |
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