CN209504002U - A kind of press-loading device of outside framework oil seal - Google Patents
A kind of press-loading device of outside framework oil seal Download PDFInfo
- Publication number
- CN209504002U CN209504002U CN201821914557.6U CN201821914557U CN209504002U CN 209504002 U CN209504002 U CN 209504002U CN 201821914557 U CN201821914557 U CN 201821914557U CN 209504002 U CN209504002 U CN 209504002U
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- China
- Prior art keywords
- oil seal
- outside framework
- framework oil
- lower lock
- positioning
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Abstract
The utility model discloses a kind of press-loading devices of outside framework oil seal, for outside framework oil seal to be pressed into crossed roller bearing, it include: driving mechanism, the driving mechanism includes the lead screw and be connected to intermediate plate of the lead screw far from described handwheel one end that handwheel, one end are connected with the handwheel；Smooth mobile mechanism, including top panel, it is parallel with the top panel below plate and be fixedly connected with the guide post of the top panel Yu the lower panel；Positioning compression device, including lower lock block, positioning and guiding block, the positioning and guiding block has the pilot hole of vertical direction, and the lower lock block has guide frame corresponding with the guide pad, and the guide frame can be inserted into the pilot hole with the moving down for lower lock block；The positioning and guiding block, the lower lock block and the crossed roller bearing are coaxially disposed.The press-loading device of the provided outside framework oil seal of the utility model has the characteristics that structure is simple and convenient to operate, improves outside framework oil seal utilization rate.
Description
Technical field
The utility model relates to field of machining more particularly to a kind of press-loading devices of outside framework oil seal.
Background technique
Outside framework oil seal is a kind of rubber product, the effect of oil sealing is general be exactly the component that will need to lubricate in transmission parts with
External environment isolation, is unlikely to allow oil seepage.Skeleton plays the work of reinforcement just as the reinforcing bar inside concrete component
With, and oil sealing is made to be able to maintain shape and tension.Single lip outside framework oil seal and Double-lip framework oil sealing can be divided by structure type.It has two sides
On the one hand the effect in face is that the component that will need to lubricate in transmission parts is isolated with power output component, avoids that oil seepage occurs
The phenomenon that, it is on the other hand to prevent silt, dust, aqueous vapor etc. from outer intrusion Bearing inner.Common outside framework oil seal includes dermoskeleton
Frame oil sealing, inner frame oil sealing, interior exposed framework oil seal etc..The lip direction of different outside framework oil seals is also different.
It is interference fitted between the outer ring of outside framework oil seal and the upper slot of crossed roller bearing, must assure that skeleton in installation process
The concentricity of oil sealing and bearing is in 0.01mm, and the indentation of outside framework oil seal uniform stressed is external, otherwise will lead to outside framework oil seal
Lip occur scar, turn up, outside framework oil seal spring loosens.Once above-mentioned failure occurs, outside framework oil seal is just needed to change, and causes bone
The utilization rate of frame oil sealing declines.
Currently, the assembly of outside framework oil seal mostly by the operating experience for assembling master worker, has and is directly assembled with hand indentation, also
By unskilled labourer set the heart after be again pressed into hand, but these assembly methods all cannot be guaranteed that each position on outside framework oil seal is uniform
Stress can not also ensure the concentricity of outside framework oil seal installation, so the phenomenon that outside framework oil seal damages in assembling process is just very tight
Weight, production cost is higher, and production efficiency is insufficient.
Utility model content
At least one purpose of the utility model is the press-loading device for proposing a kind of outside framework oil seal, can replace hand assembled
The mode of outside framework oil seal keeps each position uniform stressed thereon in outside framework oil seal assembling process, and make outside framework oil seal with to
The coaxial bearing degree of installation complies with standard.Optimal technical scheme in many technical solutions provided by the utility model can be generated
The elaboration as detailed below of many technical effects.
To achieve the above object, the utility model provides following technical scheme:
The press-loading device of a kind of outside framework oil seal provided by the utility model, for outside framework oil seal to be pressed into crossed roller axis
It holds, comprising:
Driving mechanism, the driving mechanism include the lead screw that handwheel, one end are connected with the handwheel and are connected to described
Intermediate plate of the lead screw far from described handwheel one end；
Smooth mobile mechanism, including top panel, it is parallel with the top panel below plate and be fixedly connected it is described above
The guide post of plate and the lower panel；
Positioning compression device, including lower lock block, positioning and guiding block, the positioning and guiding block have the guiding of vertical direction
Hole, the lower lock block have guide frame corresponding with the pilot hole, and the guide frame can be with the lower lock block
Move down and be inserted into the pilot hole；
Radius of the outer diameter of the positioning and guiding block with the outside framework oil seal in the crossed roller bearing assembly area be in
Transition fit, the positioning and guiding block, the lower lock block and the crossed roller bearing are coaxially disposed.
Further, the top panel has the feed screw nut that matches with the lead screw, the feed screw nut with it is described
Lead screw forms transition fit and can limit the lead screw and translates straight down.
Further, the intermediate plate, which passes through, has linear bearing at the guide post, the linear bearing can guide institute
Intermediate plate is stated smoothly to move along the guide post.
Further, the guide post is fixed on the lower panel by nut, and the nut can limit the guide post and wear
The distance of the lower panel is crossed, can further adjust by adjusting the distance that the guide post passes through the lower panel makes below described
Plate is horizontal.
Further, the handwheel is plugged in the lead screw by flat key fixation.
Further, the lead screw is connect with the intermediate plate by deep groove ball bearing.
Further, the lower lock block further includes relief hole, the relief hole can be discharged the lower lock block with it is described fixed
Air between the guide pad of position.
Further, the thickness d at 11 edge of lower lock block is 0.3mm smaller than the width e of outside framework oil seal, under described
The length dimension a at 11 edge of briquetting is greater than the height dimension b of positioning and guiding block 13.
Further, the upper surface of the lower lock block 11 and the lower surface plain grinding of the intermediate plate 7 reach Ra0.8 μm thick
The verticality of rugosity, the lower lock block 11 and/or the intermediate plate 7 and the crossed roller bearing axis is less than 0.005mm.
Further, the straight line of 11 targeting part of lower lock block and the pilot hole 16 on the positioning and guiding block 13
Spend the pilot hole 16 on targeting part size n and the positioning and guiding block 13 less than 0.005, on the lower lock block 11
Size m between be gap-matched H7/h6.
Based on the above-mentioned technical proposal, the utility model embodiment drives smooth mobile mechanism straight down by driving mechanism
It is mobile, push positioning compression device that outside framework oil seal is pressed into crossed roller bearing, wherein the vertical shift of smooth mobile mechanism is logical
It crosses feed screw nut and linear bearing limits, outside framework oil seal is thus pushed steadily to be installed on intersection rolling under the limitation of positioning and guiding block
Sub- bearing.The installation process of outside framework oil seal is steady, facilitates operation, and the concentricity of outside framework oil seal and bearing is high, and rejection rate is corresponding
It reduces.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the press-loading device structural schematic diagram of outside framework oil seal provided by the utility model embodiment；
The press-loading device outside framework oil seal of outside framework oil seal provided by the utility model embodiment of the position Fig. 2 is pressed into crossed roller axis
Hold status diagram.
Appended drawing reference: 1 handwheel, 2 flat keys, 3 lead screws, 4 feed screw nuts, 5 top panels, 6 linear bearings, 7 intermediate plates, below 8
Plate, 9 nuts, 10 guide posts, 11 lower lock blocks, 12 outside framework oil seals, 13 positioning and guiding blocks, 14 crossed roller bearings, 15 deep groove ball bearings,
16 pilot holes, 17 relief holes.
Specific embodiment
Be referred to attached drawing below and word content understand the utility model content and the utility model with it is existing
Distinctive points between technology.Hereafter attached drawing and by way of enumerating some alternative embodiments of the utility model, to this reality
It is described in further detail with novel technical solution (including optimal technical scheme).It should be understood that in the present embodiment
Any technical characteristic, any technical solution be plurality of optional technical characteristic or one of optional technical solution or several
Kind, in order to describe succinct to need all alternative technical characteristics of the utility model impossible to exhaust in this document and can replace
The technical solution in generation, the embodiment for being also not easy to each technical characteristic emphasize that it is one of optional numerous embodiments,
So those skilled in the art will appreciate that any technological means provided by the utility model can be replaced or by this reality
It is combined with each other with any two or more technical means or technical features of novel offer and obtains new technical solution.
Any technical characteristic and any technical solution in the present embodiment do not limit the protection scope of the utility model, this is practical new
The protection scope of type should include that those skilled in the art do not make the creative labor the thinkable any alternate embodiments of institute
And those skilled in the art by any two or more technical means or technical features provided by the utility model mutually into
New technical solution obtained from row combination.
Technical scheme provided by the present invention will be described in more detail by 1-2 with reference to the accompanying drawing.
The utility model embodiment provides a kind of press-loading device of outside framework oil seal, intersects for outside framework oil seal 12 to be pressed into
Roller bearing 14 characterized by comprising
Driving mechanism, the driving mechanism include the lead screw 3 and be connected to institute that handwheel 1, one end are connected with the handwheel 1
State intermediate plate 7 of the lead screw 3 far from described 1 one end of handwheel；
Smooth mobile mechanism, including top panel 5, it is parallel with the top panel 5 below plate 8 and be fixedly connected described
The guide post 10 of top panel 5 and the lower panel 8；
Positioning compression device, including lower lock block 11, positioning and guiding block 13, the positioning and guiding block 13 have vertical direction
Pilot hole 16, the lower lock block 11 have guide frame corresponding with the pilot hole 16, and the guide frame can be with
The lower lock block 11 is moved down and is inserted into the pilot hole 16；
The outer diameter of the positioning and guiding block 13 and the outside framework oil seal 12 are in 14 assembly area of crossed roller bearing
Radius is in transition fit, and the positioning and guiding block 13, the lower lock block 11 and the crossed roller bearing 14 are coaxially disposed.
Further, the top panel 5 has the feed screw nut 4 that matches with the lead screw 3, the feed screw nut 4 with
The lead screw 3 forms transition fit and can limit the lead screw 3 and translates straight down.
Further, the intermediate plate 7, which passes through, has linear bearing 6 at the guide post 10, the linear bearing 6 can draw
The intermediate plate 7 is led smoothly to move along the guide post 10.
Further, the guide post 10 is fixed on the lower panel 8 by nut 9, and the nut 9 can limit described lead
Column 10 passes through the distance of the lower panel 8, and the distance for passing through the lower panel 8 by adjusting the guide post 10 can be adjusted further
Keep the lower panel 8 horizontal.
Further, the handwheel 1 is plugged in the lead screw 3 by the fixation of flat key 2.
Further, the lead screw 3 is connect with the intermediate plate 7 by deep groove ball bearing 15.
Further, the lower lock block 11 further includes relief hole 17, and the lower lock block 11 can be discharged in the relief hole 17
With the air between the positioning and guiding block 13.
Further, the thickness d at 11 edge of lower lock block is 0.3mm smaller than the width e of outside framework oil seal, under described
The length dimension a at 11 edge of briquetting is greater than the height dimension b of positioning and guiding block 13.
Further, the upper surface of the lower lock block 11 and the lower surface plain grinding of the intermediate plate 7 reach Ra0.8 μm thick
The verticality of rugosity, the lower lock block 11 and/or the intermediate plate 7 and 14 axis of crossed roller bearing is less than 0.005mm.
Further, the straight line of 11 targeting part of lower lock block and the pilot hole 16 on the positioning and guiding block 13
Spend the pilot hole 16 on targeting part size n and the positioning and guiding block 13 less than 0.005, on the lower lock block 11
Size m between be gap-matched H7/h6.
The press-loading device of the outside framework oil seal, including hand wheel drive, smooth mobile device, positioning compression device.Institute
Stating smooth mobile device includes the feed screw nut 4 being cooperatively connected with lead screw 3, top panel 5, guide post 10, linear bearing 6, intermediate plate
7, lower panel 8, nut 9, deep groove ball bearing 15, feed screw nut 4 are bolted on top panel 5, and the guide post 10 of two sides passes through
Nut 9 is fixed in the above between plate 5 and lower panel 8, and intermediate plate 7 is slidably connected by linear bearing 6 and the guide post 10 of two sides,
When rotation handwheel 1 rotates lead screw 3, since feed screw nut is fixed, lead screw 3 is driven smoothly to move down, while lead screw 3 moves down
Intermediate plate 7 is driven smoothly to move down.
The positioning compression device includes lower lock block 11, positioning and guiding block 13, is provided with pilot hole on positioning and guiding block 13
16, relief hole 17 is provided on lower lock block 11, and resistance reduces during pushing lower lock block 11, has on lower lock block 11 and pilot hole
The targeting part of 16 cooperations, outside framework oil seal 12 are first inserted in the top of positioning and guiding block 13, then by positioning and guiding block 13 by thereon
Size c realized with crossed roller bearing 14 coaxial, lower lock block 11 and positioning and guiding block 13 are coupled by pilot hole,
The middle of lower panel 8 is placed on after assembling, position at this time is as shown in Fig. 1, during intermediate plate 7 smoothly moves down,
After the contact of the upper surface of intermediate plate 7 and lower lock block 11, lower lock block 11 also will be moved down smoothly, drive outside framework oil seal 12 along fixed
The outer surface of position guide pad 13 moves down, and outside framework oil seal 12 is made to be packed into the correct position on crossed roller bearing 14, position at this time
As shown in Fig. 2.
The lead screw 3 and feed screw nut 4 are used cooperatively, fixed using feed screw nut 4, the movement that lead screw 3 smoothly moves
Mode.Cooperated between the correspondingly-sized on size c and crossed roller bearing on the positioning and guiding block 13 using small―gap suture, it is fixed
Size c on the guide pad 13 of position uses h6 tolerance, and when guaranteeing outside framework oil seal installation, the cooperation needs of oil sealing and axis are coaxial, if
Eccentric excessive, sealing function can be deteriorated, especially crossed roller bearing inner ring high speed rotation when, leakage phenomenon can be more serious.
It is slidably matched between the guide post 10 and intermediate plate 7 with linear bearing realization, reduces the difficult processing of guide post 10 and intermediate plate 7
Degree.
The press-loading device of the outside framework oil seal has the characteristics that structure is simple and convenient to operate, improves outside framework oil seal utilization rate.
Using automanual mode, smoothly moving down for lower lock block is realized using feed screw nut auxiliary structure, and can guarantee on outside framework oil seal
Each position uniform stressed, avoid there is a phenomenon where outside framework oil seals from turning up during pushing, while positioning and guiding
Block can guarantee the concentricity of outside framework oil seal and crossed roller bearing inner ring, and outside framework oil seal is made to realize sealing function well, tool
There is structure to be simple and convenient to operate, improve the characteristics of outside framework oil seal utilization rate.
Above-mentioned any technical solution disclosed in the utility model unless otherwise stated, if it discloses numberical range,
So disclosed numberical range is preferred numberical range, and any it should be appreciated by those skilled in the art preferred numerical value
Range is only the numerical value that technical effect is obvious or representative in many enforceable numerical value.Since numerical value is more,
It is impossible to exhaust, so the utility model discloses component values just to illustrate the technical solution of the utility model, also, above-mentioned
The numerical value enumerated should not constitute the limitation that protection scope is created to the utility model.
Meanwhile if above-mentioned the utility model discloses or relates to the components or structural member of connection fastened to each other,
Unless otherwise stated, it is fixedly connected it is to be understood that connection (such as connecting using bolt or screw) can be removedly fixed,
It is to be understood that non-removable be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other or integral type
Structure (such as manufacturing using casting technique is integrally formed) is replaced (obviously can not be using except integrally formed technique).
In addition, for indicating positional relationship or shape applied in above-mentioned any technical solution disclosed by the utility model
Term its meaning includes approximate with its, similar or close state or shape unless otherwise stated.It is provided by the utility model
Either component by multiple individual component parts either assembled, or the list that integrally formed technique manufactures
Only component.
In the description of the utility model if used term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
"left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" etc., then the orientation or position of the instruction of above-mentioned term are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
Equipment, mechanism, component or the element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as the limitation to scope of protection of the utility model.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (10)
1. a kind of press-loading device of outside framework oil seal, for outside framework oil seal (12) to be pressed into crossed roller bearing (14), feature exists
In, comprising:
Driving mechanism, the driving mechanism include the lead screw (3) and be connected to that handwheel (1), one end are connected with the handwheel (1)
Intermediate plate (7) of the lead screw (3) far from the handwheel (1) one end；
Smooth mobile mechanism, including top panel (5), it is parallel with the top panel (5) below plate (8) and be fixedly connected described
The guide post (10) of top panel (5) and the lower panel (8)；
Positioning compression device, including lower lock block (11), positioning and guiding block (13), the positioning and guiding block (13) have vertical direction
Pilot hole (16), the lower lock block (11) have guide frame corresponding with the pilot hole (16), the guide frame
It being capable of moving down and be inserted into the pilot hole (16) with the lower lock block (11)；
The outer diameter of the positioning and guiding block (13) and the outside framework oil seal (12) are in the crossed roller bearing (14) assembly area
Radius be in transition fit, the positioning and guiding block (13), the lower lock block (11) and the crossed roller bearing (14) are coaxial
Setting.
2. the press-loading device of outside framework oil seal according to claim 1, it is characterised in that: the top panel (5) has and institute
The feed screw nut (4) that lead screw (3) matches is stated, the feed screw nut (4) and the lead screw (3) form transition fit and can limit
The lead screw (3) translates straight down.
3. the press-loading device of outside framework oil seal according to claim 1, it is characterised in that: the intermediate plate (7) passes through described
There are linear bearing (6) at guide post (10), the linear bearing (6) can guide the intermediate plate (7) along the guide post
(10) smooth mobile.
4. the press-loading device of outside framework oil seal according to claim 1, it is characterised in that: the guide post (10) passes through nut
(9) be fixed on the lower panel (8), the nut (9) can limit the guide post (10) across the lower panel (8) away from
From can further adjust by adjusting the distance that the guide post (10) pass through the lower panel (8) makes the lower panel (8) water
It is flat.
5. the press-loading device of outside framework oil seal according to claim 1, it is characterised in that: the handwheel (1) passes through flat key (2)
Fixation is plugged in the lead screw (3).
6. the press-loading device of outside framework oil seal according to claim 1, it is characterised in that: the lead screw (3) and the centre
Plate (7) is connected by deep groove ball bearing (15).
7. the press-loading device of outside framework oil seal according to claim 1, it is characterised in that: the lower lock block (11) further includes letting out
It presses hole (17), the air between the lower lock block (11) and the positioning and guiding block (13) can be discharged in the relief hole (17).
8. the press-loading device of outside framework oil seal according to claim 1, it is characterised in that: the thickness at lower lock block (11) edge
Degree size d is 0.3mm smaller than the width e of outside framework oil seal, and the length dimension a at lower lock block (11) edge is greater than positioning and guiding block
(13)'sHeight dimension b.
9. the press-loading device of outside framework oil seal according to claim 1, it is characterised in that: the upper surface of the lower lock block (11)
Reach Ra0.8 μm of roughness, the lower lock block (11) and/or the intermediate plate with the lower surface plain grinding of the intermediate plate (7)
(7) it is less than 0.005mm with the verticality of the crossed roller bearing (14) axis.
10. the press-loading device of outside framework oil seal according to claim 1, it is characterised in that: lower lock block (11) guide part
Divide and the straightness of the pilot hole (16) on the positioning and guiding block (13) is less than 0.005, on the lower lock block (11)
H7/ is gap-matched between the size m of the pilot hole (16) on targeting part size n and the positioning and guiding block (13)
h6。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914557.6U CN209504002U (en) | 2018-11-21 | 2018-11-21 | A kind of press-loading device of outside framework oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914557.6U CN209504002U (en) | 2018-11-21 | 2018-11-21 | A kind of press-loading device of outside framework oil seal |
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| Publication Number | Publication Date |
|---|---|
| CN209504002U true CN209504002U (en) | 2019-10-18 |
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| CN201821914557.6U Active CN209504002U (en) | 2018-11-21 | 2018-11-21 | A kind of press-loading device of outside framework oil seal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262537A (en) * | 2018-11-21 | 2019-01-25 | 陕西渭河精密传动有限公司 | A kind of press-loading device of outside framework oil seal |
-
2018
- 2018-11-21 CN CN201821914557.6U patent/CN209504002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262537A (en) * | 2018-11-21 | 2019-01-25 | 陕西渭河精密传动有限公司 | A kind of press-loading device of outside framework oil seal |
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