CN109505749A - Retaining ring disconnects tooling and disconnects method - Google Patents
Retaining ring disconnects tooling and disconnects method Download PDFInfo
- Publication number
- CN109505749A CN109505749A CN201811368506.2A CN201811368506A CN109505749A CN 109505749 A CN109505749 A CN 109505749A CN 201811368506 A CN201811368506 A CN 201811368506A CN 109505749 A CN109505749 A CN 109505749A
- Authority
- CN
- China
- Prior art keywords
- retaining ring
- broken
- disconnects
- tooling
- bulb
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/141—Details or component parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automatic Assembly (AREA)
Abstract
The invention belongs to field of machining, it is related to a kind of retaining ring and disconnects tooling and disconnect method, it includes retaining ring mounting base and squeeze bulb which, which disconnects tooling,；The upper surface of retaining ring mounting base is provided with retaining ring holding tank；Retaining ring to be broken is placed in the retaining ring holding tank of retaining ring mounting base upper surface；The internal diameter of retaining ring holding tank is slightly larger than the outer diameter of retaining ring to be broken；The depth of retaining ring holding tank is slightly larger than the depth of retaining ring to be broken；The internal diameter that the outer diameter of squeeze bulb is slightly less than retaining ring to be broken is placed in the top of retaining ring to be broken.The present invention provides one kind reliably to disconnect retaining ring at radial V-groove, can guarantee retaining ring deform upon opening it is small, in disconnecting unit interdigit gap and the retaining ring of part deformation disconnects tooling and disconnection method when can reduce closing in.
Description
Technical field
The invention belongs to field of machining, it is related to a kind of retaining ring and disconnects tooling and disconnect method, more particularly to is a kind of right
The disconnection tooling and disconnection method disconnected at plunger assembly guide ring pregroove marks.
Background technique
It is made of the plunger assembly in a kind of pump slippery boots assembly, retaining ring and plunger in Aviation Fuel plunger pump, it is this
Structure effectively increases the service life of plunger assembly, is limited by plunger assembly structure, need to break at retaining ring pregroove marks before combination
It opens, the structural schematic diagram of retaining ring is as shown in Figure 1.When at present to being disconnected at the pregroove marks of retaining ring, wire cutting method is often used, is cut
Since metal missing leads to the circumferencial direction of retaining ring, there are certain intervals at the place of opening, and cause spherical surface imperfect.It closes up in plunger assembly
When, for retaining ring since the gap gap that is squeezed becomes smaller, retaining ring surface of sphere generates variation.When plunger assembly is in closing in, operating, work
Process easily leads to retaining ring deformation aggravation in stress, generates that plunger is not flexible or even stuck state, and then destroys between piston shoes and swash plate
Oil film is formed, and accelerates piston shoes abrasion, and then plunger pump is made to fail and influence flight safety.
Summary of the invention
In order to solve the above technical problems in background technology, the present invention provides one kind can be reliably by retaining ring
Disconnected at radial V-groove, can guarantee retaining ring deform upon opening it is small, in disconnecting unit interdigit gap and part when can reduce closing in
The retaining ring of deformation disconnects tooling and disconnects method.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of retaining ring disconnection tooling, it is characterised in that: it includes retaining ring mounting base and extrusion ball that the retaining ring, which disconnects tooling,
Head；The upper surface of the retaining ring mounting base is provided with retaining ring holding tank；Retaining ring to be broken is placed in the gear of retaining ring mounting base upper surface
It encloses in holding tank；The internal diameter of the retaining ring holding tank is slightly larger than the outer diameter of retaining ring to be broken；The depth of the retaining ring holding tank is omited
Greater than the depth of retaining ring to be broken；The internal diameter that the outer diameter of the squeeze bulb is slightly less than retaining ring to be broken is placed in retaining ring to be broken
Top.
The lower end surface of above-mentioned squeeze bulb is plane.
Distance of the centre of sphere of above-mentioned squeeze bulb away from lower end plane is L1, the centre of sphere of the retaining ring to be broken is away from gear to be broken
The distance for enclosing bottom surface is L2；The L1< L2。
Distance of the centre of sphere of above-mentioned squeeze bulb away from lower end plane is L1, the centre of sphere of the retaining ring to be broken is away from gear to be broken
The distance for enclosing bottom surface is L2；The 0.5mm < L2-L1< 1mm.
The fit clearance of the internal diameter of the outer diameter of above-mentioned squeeze bulb and retaining ring to be broken is not more than 0.01mm.
It further includes the bulb mandril being connected with squeeze bulb that above-mentioned retaining ring, which disconnects tooling,；The axis and gear of the bulb mandril
Enclose axis coincidence where retaining ring holding tank in mounting base.
It further includes the sleeve being sleeved on outside retaining ring mounting base that above-mentioned retaining ring, which disconnects tooling,；Ball is offered at the top of the sleeve
Crown bar guide hole.
It is a kind of that tooling is disconnected to retaining ring disconnection method based on above-mentioned retaining ring, it is characterised in that: the retaining ring disconnects method
The following steps are included:
1) retaining ring to be broken is arranged in the retaining ring holding tank of retaining ring mounting base；
2) sleeved in retaining ring mounting base outer cover；
3) bulb mandril is connected with squeeze bulb, squeeze bulb is placed in the upper of the retaining ring to be broken in retaining ring mounting base
Bulb mandril is pierced by by surface from the bulb mandril guide hole on sleeve；
4) start hydraulic press, contact the pressure head of hydraulic press in the upper surface of bulb mandril, the pressure head of hydraulic press slowly into
To when, after hearing retaining ring to be broken fracture sound, feed-disabling and retract pressure head immediately.
Above-mentioned steps 4) in hydraulic press pressure be not more than 0.5Mpa.
The invention has the advantages that
Disconnect tooling the present invention provides a kind of retaining ring and disconnect method, the retaining ring disconnect tooling include retaining ring mounting base with
And squeeze bulb；The upper surface of retaining ring mounting base is provided with retaining ring holding tank；Retaining ring to be broken is placed in retaining ring mounting base upper surface
Retaining ring holding tank in；The internal diameter of retaining ring holding tank is slightly larger than the outer diameter of retaining ring to be broken；The depth of retaining ring holding tank is slightly larger than
The depth of retaining ring to be broken；The internal diameter that the outer diameter of squeeze bulb is slightly less than retaining ring to be broken is placed in the top of retaining ring to be broken.
After disconnection method provided by the present invention, the metal missing of retaining ring spherical surface circumferencial direction is eliminated, ensure that retaining ring spherical surface
The integrality of circumferencial direction, the deformation of retaining ring spherical surface when thus greatly reducing closing in.Retaining ring disconnect tooling use spherical surface as break
The positioning opened and stress surface make retaining ring entire spherical surface even circumferential stress in disconnection process.In disconnection process, due to disconnecting work
Skill equipment, disconnect method and opening pressure control rationally, can it is reliable and stable guarantee retaining ring reliable disconnection, prevent from being broken, again
Retaining ring can be made not generate big deformation upon opening.Using new tooling and process, part closing in qualification rate reaches
100%, after operating and work flexibly, clamping stagnation and stuck state are not generated.The present invention has been well solved and has been processed at retaining ring cracking
The forced contraction of problem on deformation and retaining ring in plunger assembly operation process afterwards leads to component clamping stagnation, stuck phenomenon.Tooling is set
Count simple and easy to operate, disconnection method convenience, reliable, stable, high yield rate, the batch production suitable for the such part of each model.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of plunger assembly guide ring；
Fig. 2 is that retaining ring provided by the present invention disconnects tool structure schematic diagram；
Wherein:
1- bulb mandril；2- retaining ring mounting base；3- sleeve；4- retaining ring to be broken；5- squeeze bulb.
Specific embodiment
Referring to fig. 2, the present invention provides a kind of retaining ring disconnect tooling, retaining ring disconnect tooling include retaining ring mounting base 2 and
Squeeze bulb 5；The upper surface of retaining ring mounting base 2 is provided with retaining ring holding tank；Retaining ring 4 to be broken is placed in table in retaining ring mounting base 2
In the retaining ring holding tank in face；The internal diameter of retaining ring holding tank is slightly larger than the outer diameter of retaining ring 4 to be broken；The depth of retaining ring holding tank is bigger
In the depth of retaining ring 4 to be broken；The internal diameter that the outer diameter of squeeze bulb 5 is slightly less than retaining ring 4 to be broken is placed in retaining ring 4 to be broken
Top.
The lower end surface of squeeze bulb 5 is plane；Distance of the centre of sphere of squeeze bulb 5 away from lower end plane is L1, gear to be broken
Distance of the centre of sphere away from 4 bottom surface of retaining ring to be broken of circle 4 is L2；L1< L2；Distance of the centre of sphere of squeeze bulb 5 away from lower end plane
It is L1, the centre of sphere of retaining ring 4 to be broken is L away from the distance of 4 bottom surface of retaining ring to be broken2；0.5mm < L2-L1< 1mm；Squeeze bulb
The fit clearance of the internal diameter of 5 outer diameter and retaining ring 4 to be broken is not more than 0.01mm.
It further includes the bulb mandril 1 being connected with squeeze bulb 5 that retaining ring, which disconnects tooling,；The axis and retaining ring of bulb mandril 1 are pacified
Axis coincidence where retaining ring holding tank on seat 2 is filled, it further includes the sleeve 3 being sleeved on outside retaining ring mounting base 2 that retaining ring, which disconnects tooling,；
Bulb mandril guide hole is offered at the top of sleeve 3.
Bulb mandril 1 of the present invention controls the change of retaining ring disconnection by adjusting the centre of sphere to the distance of top dome plane
Shape amount；Retaining ring mounting base 2 is used to fix retaining ring, while limiting moving distance of the mandril when disconnecting spherical surface；Sleeve 3 by with peace
The cooperation for filling seat and mandril guides mandril, guarantees mandril moving direction and the radially uniform stress of retaining ring.
A kind of to disconnect tooling to retaining ring disconnection method based on the retaining ring as above recorded, it includes following step which, which disconnects method,
It is rapid:
1) retaining ring 4 to be broken is arranged in the retaining ring holding tank of retaining ring mounting base 2；
2) in 2 outer cover of retaining ring mounting base sleeved 3；
3) bulb mandril 1 is connected with squeeze bulb 5, the retaining ring to be broken squeeze bulb 5 being placed in retaining ring mounting base 2
Bulb mandril 1 is pierced by by 4 upper surface from the bulb mandril guide hole on sleeve 3；
4) start hydraulic press, contact the pressure head of hydraulic press in the upper surface of bulb mandril 1, the pressure head of hydraulic press slowly into
To when, after hearing that retaining ring 4 to be broken is broken sound, feed-disabling and retract pressure head immediately；The pressure of hydraulic press in step 4)
No more than 0.5Mpa.
The present invention forbids to generate impact force during applying pressure to part and cause part disconnected when disconnecting retaining ring
It splits or deforms；After hearing bang sound, pressure head should be retracted immediately, forbid to keep pressure and retaining ring is caused to generate plastic deformation.
The present invention leads to traditional cutting the disconnection method of missing to be revised as part using appropriate forces from radial V-type
The mode disconnected at slot eliminates the metal missing due to generating after cutting, guarantees that retaining ring circumferencial direction spherical surface is complete, thus significantly
The deformation of retaining ring spherical surface when reducing closing in.Retaining ring disconnects tooling and uses spherical surface as the positioning and stress surface that disconnect, and retaining ring is made to exist
Entire spherical surface even circumferential stress in disconnection process.In disconnection process, due to disconnecting technological equipment, disconnecting method and opening pressure
Control rationally, can it is reliable and stable guarantee retaining ring reliable disconnection, prevent from being broken, and it is big that retaining ring can be made not generate upon opening
Deformation.The change of part corresponding size: it is corresponding to adjust radial V-groove size, reduce in part drawing size range radial at V-groove
Solid thickness, to reduce the stress deformation of part when disconnection.
The present invention has well solved the problem on deformation after processing at retaining ring cracking and retaining ring in plunger assembly operation process
In forced contraction lead to component clamping stagnation, stuck phenomenon.Fixture Design is simple and easy to operate, and disconnection method is convenient, reliable, stable,
High yield rate, the batch production suitable for the such part of each model.
Claims (9)
1. a kind of retaining ring disconnects tooling, it is characterised in that: it includes retaining ring mounting base (2) and extrusion ball that the retaining ring, which disconnects tooling,
Head (5)；The upper surface of the retaining ring mounting base (2) is provided with retaining ring holding tank；Retaining ring (4) to be broken is placed in retaining ring mounting base
(2) in the retaining ring holding tank of upper surface；The internal diameter of the retaining ring holding tank is slightly larger than the outer diameter of retaining ring to be broken (4)；The gear
The depth for enclosing holding tank is slightly larger than the depth of retaining ring to be broken (4)；The outer diameter of the squeeze bulb (5) is slightly less than retaining ring to be broken
(4) internal diameter is placed in the top of retaining ring to be broken (4).
2. retaining ring according to claim 1 disconnects tooling, it is characterised in that: the lower end surface of the squeeze bulb (5) is flat
Face.
3. retaining ring according to claim 2 disconnects tooling, it is characterised in that: the centre of sphere of the squeeze bulb (5) is away from lower end
The distance of plane is L1, the centre of sphere of the retaining ring (4) to be broken is L away from the distance of retaining ring to be broken (4) bottom surface2；The L1<
L2。
4. retaining ring according to claim 2 disconnects tooling, it is characterised in that: the centre of sphere of the squeeze bulb (5) is away from lower end
The distance of plane is L1, the centre of sphere of the retaining ring (4) to be broken is L away from the distance of retaining ring to be broken (4) bottom surface2；It is described
0.5mm < L2-L1< 1mm.
5. retaining ring according to claim 1 or 2 or 3 or 4 disconnects tooling, it is characterised in that: outside the squeeze bulb (5)
The fit clearance of diameter and the internal diameter of retaining ring to be broken (4) is not more than 0.01mm.
6. retaining ring according to claim 5 disconnects tooling, it is characterised in that: the retaining ring disconnects tooling and further includes and squeeze
The connected bulb mandril (1) of bulb (5)；On the axis of the bulb mandril (1) and retaining ring mounting base (2) where retaining ring holding tank
Axis is overlapped.
7. retaining ring according to claim 6 disconnects tooling, it is characterised in that: it further includes being sleeved on that the retaining ring, which disconnects tooling,
The external sleeve (3) of retaining ring mounting base (2)；Bulb mandril guide hole is offered at the top of the sleeve (3).
8. one kind disconnects tooling based on retaining ring as claimed in claim 7 and disconnects method to retaining ring, it is characterised in that: the retaining ring is disconnected
The extraction of root the following steps are included:
1) retaining ring to be broken (4) are arranged in the retaining ring holding tank of retaining ring mounting base (2)；
2) in retaining ring mounting base (2), outer cover is sleeved (3)；
3) bulb mandril (1) is connected with squeeze bulb (5), squeeze bulb (5) is placed in be broken on retaining ring mounting base (2)
Bulb mandril (1) is pierced by by the upper surface of retaining ring (4) from the bulb mandril guide hole on sleeve (3)；
4) start hydraulic press, contact the pressure head of hydraulic press in the upper surface of bulb mandril (1), the pressure head of hydraulic press is slowly fed
When, after hearing that retaining ring to be broken (4) are broken sound, feed-disabling and retract pressure head immediately.
9. retaining ring according to claim 8, which disconnects tooling, disconnects method to retaining ring, it is characterised in that: oily in the step 4)
The pressure of press is not more than 0.5Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368506.2A CN109505749A (en) | 2018-11-16 | 2018-11-16 | Retaining ring disconnects tooling and disconnects method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368506.2A CN109505749A (en) | 2018-11-16 | 2018-11-16 | Retaining ring disconnects tooling and disconnects method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109505749A true CN109505749A (en) | 2019-03-22 |
Family
ID=65748811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811368506.2A Withdrawn CN109505749A (en) | 2018-11-16 | 2018-11-16 | Retaining ring disconnects tooling and disconnects method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109505749A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1250067A (en) * | 1968-09-09 | 1971-10-20 | ||
| FR2526698A1 (en) * | 1982-05-12 | 1983-11-18 | Allinquant J G | Open segmental piston ring mfr. - entails creating local weak point in closed ring then stressing until fracture occurs at weak point |
| CN1520345A (en) * | 2001-05-08 | 2004-08-11 | �����롤��˹��ר�û�е��������˾ | Method and device for machining annular-shaped workpieces |
| CN1575925A (en) * | 2003-07-15 | 2005-02-09 | 本田技研工业株式会社 | Machining apparatus for forming cracking slot for connecting rod |
| CN103418700A (en) * | 2013-09-04 | 2013-12-04 | 中山市奥美森工业有限公司 | Expansion head assembly |
| CN104259304A (en) * | 2014-09-09 | 2015-01-07 | 西安航空动力股份有限公司 | Aero-engine netty part press-forming clamp and method |
-
2018
- 2018-11-16 CN CN201811368506.2A patent/CN109505749A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1250067A (en) * | 1968-09-09 | 1971-10-20 | ||
| FR2526698A1 (en) * | 1982-05-12 | 1983-11-18 | Allinquant J G | Open segmental piston ring mfr. - entails creating local weak point in closed ring then stressing until fracture occurs at weak point |
| CN1520345A (en) * | 2001-05-08 | 2004-08-11 | �����롤��˹��ר�û�е��������˾ | Method and device for machining annular-shaped workpieces |
| CN1575925A (en) * | 2003-07-15 | 2005-02-09 | 本田技研工业株式会社 | Machining apparatus for forming cracking slot for connecting rod |
| CN103418700A (en) * | 2013-09-04 | 2013-12-04 | 中山市奥美森工业有限公司 | Expansion head assembly |
| CN104259304A (en) * | 2014-09-09 | 2015-01-07 | 西安航空动力股份有限公司 | Aero-engine netty part press-forming clamp and method |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190322 |