CN207746658U - A kind of oil seal pressing device - Google Patents
A kind of oil seal pressing device Download PDFInfo
- Publication number
- CN207746658U CN207746658U CN201721320904.8U CN201721320904U CN207746658U CN 207746658 U CN207746658 U CN 207746658U CN 201721320904 U CN201721320904 U CN 201721320904U CN 207746658 U CN207746658 U CN 207746658U
- Authority
- CN
- China
- Prior art keywords
- oil seal
- pressure head
- oil
- oil sealing
- seal pressure
- 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
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 73
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000009966 trimming Methods 0.000 abstract description 5
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Abstract
The utility model discloses a kind of oil seal pressing devices, purpose is, part and Oil seal pressure head are kept concentric using locating guide device, it can ensure that oil sealing and the concentric oil sealing of part be not crooked during press fitting, avoiding oil sealing skew problem causes oil sealing during press fitting the problem of trimming, and used technical solution is：Including matched locating guide device and Oil seal pressure head, locating guide device includes pedestal, it is fixedly installed on pedestal along vertical guiding mandrel, the guiding axis matching hole stretched into for guiding mandrel is offered in Oil seal pressure head, the part of oil sealing to be pressed is fixed on locating guide device when use, Oil seal pressure head, part and guiding mandrel are coaxial, and oil sealing is set in Oil seal pressure head, are pressed oil seal pressing on part by forcing press.
Description
Technical field
The utility model is related to oil seal pressing technical fields, and in particular to a kind of oil seal pressing device.
Background technology
Two axis rear bearing cover oil seal pressing tooling of 6DS series passenger train gear box is wide in variety, when changing production tooling replace frequently, work
People's labor intensity is big；Tooling is not easy to carry again, and the frequent replacement of tooling is easily collided with；Oil seal pressing unstable quality, press fitting one
Cause property is poor.In multi items gearbox mixture manufacturing, oil sealing carries out pounding dress by pounding set, the problems such as due to the deflection of oil sealing, decentraction
The Edge trimming problems for easily causing oil sealing influence oil sealing quality.There is no guiding mandrel device using press fitting, easily oil sealing is caused to exist
Trimming during press fitting.Tooling does not have limiting device to be also easy to produce the excessive condensation of oil sealing, and oil sealing is caused to deform.It is not anti-to tooling
Collide with device, and tooling easily scratches oil seal lip after colliding with leads to oil seal failure.How inconvenient to use tooling type is, tooling when changing production
Replace that cumbersome, labor intensity is big.The product of double oil seal is only pressed with a pressure head, there are an oil sealings to drive
The problem of another oil seal pressing, easily leads to oil sealing deformation.
Utility model content
In order to solve the problems in the prior art, the utility model proposes a kind of oil seal pressing devices, using positioning and guiding
Part and Oil seal pressure head are kept concentric by device, can be ensured that oil sealing and the concentric oil sealing of part be not crooked during press fitting, be kept away
Having exempted from oil sealing skew problem causes oil sealing during press fitting the problem of trimming.
In order to achieve the goal above, technical solution used by the utility model is：It is filled including matched positioning and guiding
It sets and Oil seal pressure head, locating guide device includes pedestal, be fixedly installed on pedestal along vertical guiding mandrel, Oil seal pressure head
On offer the guiding axis matching hole stretched into for guiding mandrel, the part of oil sealing to be pressed is fixed on positioning and guiding dress when use
It sets, Oil seal pressure head, part and guiding mandrel are coaxial, and oil sealing is set in Oil seal pressure head, are pressed oil sealing pressure by forcing press
On part.
The circumferentially disposed positive stop lug boss for being useful for avoiding oil sealing limit compressive deformation of the Oil seal pressure head upper edge, oil-sealing sleeve
It is located in the Oil seal pressure head of positive stop lug boss bottom.
The Oil seal pressure head bottom circumferentially offers the anti-boss that collides with, and the diameter of the anti-boss that collides with is less than Oil seal pressure head set
If the diameter at oil sealing position.
Gas vent is offered in the Oil seal pressure head, gas vent is connected to guiding axis matching hole.
The Oil seal pressure head is interference fitted with oil sealing.
The positioning spigot of part positioning of several ranks for treating press fitting oil sealing is offered on the pedestal.
The pedestal and guiding mandrel are arranged in integral type.
The center of the guiding mandrel and pedestal is provided in the axial direction with lightening hole, and lightening hole is through-hole.
The outer diameter of the guiding mandrel is identical as the diameter of guiding axis matching hole.
Compared with prior art, the utility model is arranged oil sealing using Oil seal pressure head, and pressure is treated using locating guide device
The part of charge of oil envelope is fixed, and guiding axis matching hole is opened up in Oil seal pressure head, guiding mandrel stretches into guiding axis matching hole and is arranged
Oil seal pressure head ensure that the coaxial of Oil seal pressure head, part and guiding mandrel, and after forcing press pressure, locating guide device is by zero
Part and Oil seal pressure head keep concentric, can ensure that oil sealing and the concentric oil sealing of part be not crooked during press fitting, avoid oil sealing
Skew problem causes oil sealing during press fitting the problem of trimming.
Further, oil sealing is limited using positive stop lug boss, presses oil seal pressing when on part, avoids in forcing press
The problem of oil sealing excessive condensation deforms.
Further, Oil seal pressure head bottom circumferentially offers the anti-boss that collides with, and the diameter of the anti-boss that collides with is less than oil sealing pressure
Headgear sets the diameter at oil sealing position, and the keypoint part that Oil seal pressure head is contacted with oil sealing when ensure that press fitting does not collide with, and avoids oil
Envelope pressure head collides with the problem of causing to scratch oil seal lip, lead to oil seal failure.
Further, when Oil seal pressure head is along guiding mandrel downward actuation, using in gas vent discharge guiding axis matching hole
Air, reduction act resistance, facilitate press fitting.
Further, Oil seal pressure head is interference fitted with oil sealing, and oil sealing limitation of activity in Oil seal pressure head more ensure that press fitting
When oil sealing it is not crooked.
Further, several rank positioning spigots are offered according to the size of part on pedestal, using positioning spigot to part into
Row positioning, ensures concentricity, has adapted to the demand of different size parts, expanded the scope of application of the utility model.
Further, pedestal and guiding mandrel are arranged in integral type, easy to process, and improve stability, another outer
The center of mandrel and pedestal is provided in the axial direction with lightening hole, alleviates the weight of locating guide device, easy to carry.
Description of the drawings
Fig. 1 is the structural schematic diagram of Oil seal pressure head；
Fig. 2 is the structural schematic diagram of locating guide device；
Fig. 3 is the usage state diagram of the utility model；
Wherein, 1- locating guide devices, 2- Oil seal pressure heads, 3- oil sealings, 4- gas vents, 5- guiding axis matching hole, 6- limits
Boss, 7- anti-collide with boss, 8- guiding mandrels, 9- positioning spigots, 10- lightening holes, 11- pedestals, 12- rear bearing covers.
Specific implementation mode
With reference to specific embodiment and Figure of description the utility model is further explained explanation.
Referring to Fig. 3, the utility model includes matched locating guide device 1 and Oil seal pressure head 2, locating guide device 1
Including pedestal 11, it is fixedly installed on pedestal 11 and is offered in vertical guiding mandrel 8, Oil seal pressure head 2 for being oriented to the heart
The guiding axis matching hole 5 that axis 8 stretches into, the part of oil sealing 3 to be pressed is fixed on locating guide device 1 when use, Oil seal pressure head 2
Connect with forcing press, connect that Oil seal pressure head 2, part and guiding mandrel 8 are coaxial, and oil sealing 3 is set in Oil seal pressure head 2, Oil seal pressure head 2 with
Oil sealing 3 is interference fitted, and is pressed by forcing press and oil sealing 3 is fitted on part.
Referring to Fig. 1,2 upper edge of Oil seal pressure head is circumferentially disposed to be useful for limiting oil sealing 3 positive stop lug boss for avoiding compressive deformation
6, oil sealing 3 is set in the Oil seal pressure head 2 of 6 bottom of positive stop lug boss.2 bottom of Oil seal pressure head circumferentially offers the anti-boss 7 that collides with,
The diameter of the anti-boss 7 that collides with is less than the diameter that Oil seal pressure head 2 is arranged 3 position of oil sealing.Gas vent 4 is offered in Oil seal pressure head 2, is arranged
Stomata 4 is connected to guiding axis matching hole 5.
Referring to Fig. 2, the positioning spigot 9 of part positioning of several ranks for treating press fitting oil sealing 3 is offered on pedestal 11.Bottom
Seat 11 and guiding mandrel 8 are arranged in integral type.The center of guiding mandrel 8 and pedestal 11 is provided in the axial direction with lightening hole 10, and subtracts
Repeated hole 10 is through-hole.The outer diameter of guiding mandrel 8 is identical as the diameter of guiding axis matching hole 5.
The use process of the utility model：
1) the correspondence positioning spigot 9 being placed on the rear bearing cover 12 for two axis for needing to be pressed oil sealing 3 on locating guide device 1
On, ensure that part bottom surface is bonded with the base plane of locating guide device 1；
2) it takes Oil seal pressure head 2 that oil sealing 3 is sleeved on to the oil sealing installation site of Oil seal pressure head 2, ensures that oil sealing 3 is in the right direction, oil
Seal lip downward；
3) Oil seal pressure head 2 with oil sealing is sleeved in guiding mandrel 8, starts forcing press and be pressed oil sealing 3, when forcing press arrives
Up to release button when full pressure pressure, does not have to limitation pressure value, can ensure the press fitting quality of oil sealing.
Part and Oil seal pressure head 2 are kept concentric by the utility model using locating guide device 1, can be with during press fitting
Ensure that oil sealing 3 and part are concentric, oil sealing 3 is not crooked, and oil sealing 3 ensures that oil sealing is not crooked with Oil seal pressure head 2 using interference fit.Needle
To the various problem of part category, pedestal 11 sets several rank positioning spigots 9, meets the different positioning spigot size of part and different
Multiple location dimensions are unified on the same locating guide device 1 by mounting height demand, reduce locating guide device and oil sealing
The type of pressure head.
Positive stop lug boss 6 is designed in Oil seal pressure head 2, prevents 3 excessive condensation of oil sealing from deforming.It is designed in Oil seal pressure head 2 anti-
Collide with boss 7, ensure that the keypoint part that Oil seal pressure head is contacted with oil sealing does not collide with, avoiding part tooling from easily colliding with leads to tooling
Oil seal lip is scratched, oil seal failure problem is caused.For the structure of double oil seal, the Oil seal pressure head of two sizes is designed, is ensured every
The press fitting quality of a oil sealing adapts to the press fitting occasion of double oil seal.Positioning and guiding spindle unit is designed as integral type, convenient for primary
It is machining, while ensure that the coaxial accuracy of locating guide device and apotting spindle, oil sealing assembling quality is not influenced.It is fixed
Position guider Center lightening hole, mitigates weight, avoids locating guide device overweight, facilitates workers carry, reduces labour
Intensity.
Claims (7)
1. a kind of oil seal pressing device, which is characterized in that fixed including matched locating guide device (1) and Oil seal pressure head (2)
Position guider (1) includes pedestal (11), is fixedly installed on pedestal (11) along vertical guiding mandrel (8), Oil seal pressure head
(2) the guiding axis matching hole (5) stretched into for guiding mandrel (8) is offered on, the part of oil sealing (3) to be pressed is fixed when use
On locating guide device (1), coaxially, oil sealing (3) is set in Oil seal pressure head for Oil seal pressure head (2), part and guiding mandrel (8)
(2) it on, is pressed by forcing press and oil sealing (3) is fitted on part, Oil seal pressure head (2) upper edge is circumferentially disposed to be useful for pair
Oil sealing (3) limits the positive stop lug boss (6) for avoiding compressive deformation, and oil sealing (3) is set in the Oil seal pressure head of positive stop lug boss (6) bottom
(2) on, Oil seal pressure head (2) bottom circumferentially offers the anti-boss (7) that collides with, and the diameter of the anti-boss (7) that collides with is less than oil
Envelope pressure head (2) is arranged the diameter at oil sealing (3) position.
2. a kind of oil seal pressing device according to claim 1, which is characterized in that offered on the Oil seal pressure head (2)
Gas vent (4), gas vent (4) are connected to guiding axis matching hole (5).
3. a kind of oil seal pressing device according to claim 1, which is characterized in that the Oil seal pressure head (2) and oil sealing (3)
Interference fit.
4. a kind of oil seal pressing device according to claim 1, which is characterized in that offered on the pedestal (11) several
Rank is used to treat the positioning spigot (9) of the part positioning of press fitting oil sealing (3).
5. a kind of oil seal pressing device according to claim 1, which is characterized in that the pedestal (11) and guiding mandrel
(8) it is in that integral type is arranged.
6. a kind of oil seal pressing device according to claim 5, which is characterized in that the guiding mandrel (8) and pedestal
(11) center is provided in the axial direction with lightening hole (10), and lightening hole (10) is through-hole.
7. a kind of oil seal pressing device according to claim 1, which is characterized in that the outer diameter of the guiding mandrel (8) with
The diameter of guiding axis matching hole (5) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721320904.8U CN207746658U (en) | 2017-10-13 | 2017-10-13 | A kind of oil seal pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721320904.8U CN207746658U (en) | 2017-10-13 | 2017-10-13 | A kind of oil seal pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207746658U true CN207746658U (en) | 2018-08-21 |
Family
ID=63146974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721320904.8U Expired - Fee Related CN207746658U (en) | 2017-10-13 | 2017-10-13 | A kind of oil seal pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207746658U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639402A (en) * | 2017-10-13 | 2018-01-30 | 陕西法士特齿轮有限责任公司 | A kind of oil seal pressing device |
| CN110788597A (en) * | 2019-11-19 | 2020-02-14 | 眉山中车制动科技股份有限公司 | Tool and method for interference press fitting of valve cover and copper sleeve of brake valve of railway vehicle |
-
2017
- 2017-10-13 CN CN201721320904.8U patent/CN207746658U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639402A (en) * | 2017-10-13 | 2018-01-30 | 陕西法士特齿轮有限责任公司 | A kind of oil seal pressing device |
| CN110788597A (en) * | 2019-11-19 | 2020-02-14 | 眉山中车制动科技股份有限公司 | Tool and method for interference press fitting of valve cover and copper sleeve of brake valve of railway vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180821 |