CN103192489A - Method for manufacturing valve plate of water hydraulic swash plate plunger pump - Google Patents
Method for manufacturing valve plate of water hydraulic swash plate plunger pump Download PDFInfo
- Publication number
- CN103192489A CN103192489A CN2013100917571A CN201310091757A CN103192489A CN 103192489 A CN103192489 A CN 103192489A CN 2013100917571 A CN2013100917571 A CN 2013100917571A CN 201310091757 A CN201310091757 A CN 201310091757A CN 103192489 A CN103192489 A CN 103192489A
- Authority
- CN
- China
- Prior art keywords
- blank
- matrix
- hole
- machining
- valve plate
- 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.)
- Pending
Links
Images
Landscapes
- Valve Housings (AREA)
Abstract
The invention discloses a method for manufacturing a valve plate of a water hydraulic swash plate plunger pump. The method comprises the following steps of: blanking according to a demand of machining a substrate profile to obtain a required corrosion resistant alloy blank for machining a substrate; machining a feeding threaded hole in the blank; casting wear resistant engineering plastic under a molten state onto the blank, drying for 3 hours at 150 DEG C; increasing temperature to 200 DEG C at a speed of 10 DEG C/hour; preserving the heat for at least 4 hours at 200 DEG C; decreasing temperature to 140 DEG C at a speed of 10 DEG C/hour; naturally cooling to room temperature to obtain an injection-moulded blank; carrying out finish machining on the outer circle of the injection-moulded blank; machining a central through hole towards an injection-moulding layer from the substrate; machining a location pin hole in the substrate layer; finely grinding the substrate surface layer; machining a high-pressure waist-shaped groove, a low-pressure waist-shaped groove and a location through hole towards the substrate layer from the injection-moulding layer; and machining a high-pressure damping groove and a low-pressure damping groove in the injection-moulding layer, and respectively machining sealing grooves in the outer edges of the high-pressure waist-shaped groove and the low-pressure waist-shaped groove in the substrate layer.
Description
Technical field
The present invention relates to a kind of processing method of water pressure plunger pump port plate, belong to fluid transmission control field.
Background technology
The water hydraulic pump is the core drive element in the water hydraulic system.Present a plurality of country is all making great efforts exploitation sea water and fresh water Hydraulic Elements, and the water hydraulic pump of having researched and developed mainly contains structural shapes such as gear type, vane type and plunger type.Because the engagement of the line higher pair of gear pump makes the contact gear ratio merit very big, vane pump is responsive to the damage ratio of medium, and structure also more complicated and sealing effectiveness is poor; Plunger displacement pump has characteristics such as compact conformation, quality are light, operating pressure height, and the ratio merit of vital part is little more a lot of than the pump of other types under identical condition of work.So the version of plunger type is applicable to the sea water and fresh water to be in the hydraulic pump of working media, the sea water hydraulic pump that present domestic and international many units develop has all adopted plunger-type structure.Can be divided into inclined disc type and clino-axis type two big classes by the version plunger displacement pump.General inclined shaft pump adopts connecting rod to stir the plunger actuation movement of cylinder block and finishes flow work, impact so all will bear the very high bar that changes of frequency at the time inner plunger in a moving week of cylinder body revolution and connecting rod, this impact is not only very unfavorable but also have a very big work noise to the abrasion condition of plunger pair.Comparatively speaking, swash plate pump work is more steady, and noise ratio is lower.
Valve plate is the core part of swash plate plunger pump, and the structure of valve plate and treatment process are the difficult point places that processes valve plate at present.
The water pressure plunger pump port plate adopts the manufacturing of integrated engineering plastics mostly at present, perhaps adopts the processing method of bed setter's engineering plastics on metallic matrix.Because yielding after the engineering plastics pressure-bearing, fracture failure often takes place in valve plate in the course of the work that use above-mentioned processing method to make.
Summary of the invention
The object of the present invention is to provide a kind of processing method of valve plate of suitable water hydraulic swash plate plunger pump, the fracture failure of avoiding valve plate to take place in the course of the work, the functional reliability of raising water pressure plunger pump.Concrete technical scheme is as follows:
A kind of method of making water hydraulic oblique tray type plunger pump port plate, described plunger displacement pump comprises main shaft, rear end cap, plunger cavity and valve plate, main shaft runs through valve plate, valve plate is fixed in rear end cap, have a high pressure waist type groove (9) and a low pressure waist type groove (5) on the valve plate, communicate with high pressure intake and low pressure delivery mouth on the rear end cap respectively; Described valve plate comprises matrix (1) and injection molded layers (3) two parts, comprises following steps:
(1). the matrix blanking---the processing request blanking according to matrix (1) outline obtains processing matrix
The blank of required corrosion resistant alloy;
(2). the processing of matrix---at blank processing pan feeding screwed hole (2), pan feeding screwed hole (2) is blind hole; Pan feeding screwed hole (2) has strengthened the connecting forces between injection molded layers and the metallic matrix, prevents that injection molded layers from peeling off in the valve plate course of work.
(3). injection moulding forms the injection moulding blank, specifically comprises:
3.1) blank is fixed in the mould, and the wear-resisting level engineering plastics of molten condition are poured on the blank, in the pan feeding screwed hole (2) on the wear-resisting level engineering plastics inflow blank of molten condition;
3.2) the wear-resisting level engineering plastics of molten condition are following dry three hours at 150 ℃;
3.3) improve temperature to 200 ℃ with 10 ℃ speed per hour;
3.4) be incubated 4 hours at least at 200 ℃;
3.5) with per hour 10 ℃ speed cooling, up to 140 ℃;
3.6) naturally cool to room temperature, form the injection moulding blank, the injection molded layers (3) that described injection moulding blank comprises matrix and formed by engineering plastics;
(4). the injection moulding blank is carried out fine finishining.
Fine finishining may further comprise the steps:
Cylindrical to the injection moulding blank carries out fine finishining;
To injection molded layers machining center through hole (6), described central through hole (6) is used for placing main shaft from matrix;
At base layer processing dowel hole (10), described dowel hole (10) plays positioning action in matrix and rear end cap assembling process;
Correct grinding matrix top layer;
Processing high pressure kidney slot (9), low pressure kidney slot (5) and the positioning through hole (4) from injection molded layers to base layer, described positioning through hole (4) is used for and will be fixed in rear end cap by the valve plate of matrix (1) and injection molded layers (3) formation, reduced valve plate and rear end cap this to friction pair.
At injection molded layers (3) processing high pressure damping slot (8), and low pressure damping slot (7), described high pressure damping slot (8), the pressure pulse that produces when being used for slowing down plunger cavity and high pressure kidney slot (9) connection reduces cavitation; Described low pressure damping slot (7), the pressure pulse that produces when being used for slowing down plunger cavity and low pressure kidney slot (5) connection reduces cavitation;
High pressure kidney slot (9) on base layer and the outer of low pressure kidney slot (5) process seal groove (11), (12) respectively, and putting O type circle in the seal groove increases sealing, reduces to reveal volumetric efficiency is provided.
Described matrix (1) adopts martensite PH stainless steel 17-4PH or 321 stainless steels, and the wear-resisting level engineering plastics of described injection molded layers (3) adopt polyether-ether-ketone PEEK.
Described high pressure damping slot (8), and the version that low pressure damping slot (7) adopts is the form of triangular groove or form or the form of hole slot combination or the form of damping hole of series damped groove.
Beneficial effect
The present invention adopts the technology of injection moulding engineering plastics on metallic matrix, has overcome the drawback that the hydraulic pressure valve plate that uses the integrated engineering plastic processing easily ruptures.Offer a plurality of pan feeding screwed holes (2) on the metallic matrix, strengthened the connecting forces between injection molded layers and the metallic matrix, prevent that injection molded layers from peeling off in the valve plate course of work.Facts have proved, use valve plate stable work in work, the reliability height of this kind processing method processing.
Description of drawings
Fig. 1 is matrix front view before the injection moulding;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the left view of injection moulding rear thrust plate;
Fig. 4 is the right view of injection moulding rear thrust plate;
(1) matrix among the figure, (2) pan feeding screwed hole, (3) injection molded layers, (4) positioning through hole, (5) low pressure is pressed kidney slot, (6) central through hole, (7) low pressure damping slot, (8) high pressure damping slot, (9) high pressure kidney slot, (10) dowel hole, (11), (12) seal groove
The specific embodiment
Below in conjunction with accompanying drawing 1～4, the present invention is described in detail.Obviously, described embodiment only is the part of all embodiment of the present invention.Those of ordinary skills are not making under the creative work prerequisite, and other embodiment that directly obtain from content disclosed by the invention or associate all belong to protection scope of the present invention.
The specific embodiment of the present invention is: as shown in Figure 1, the matrix blanking---obtain processing the blank of the required corrosion resistant alloy of matrix according to the processing request blanking of matrix (1) outline, matrix is selected martensite PH stainless steel 17-4PH for use;
The processing of matrix---drill through 18 pan feeding screwed holes (2) at blank, the quantity of pan feeding screwed hole (2) can be regulated according to the matrix size, and pan feeding screwed hole (2) is blind hole;
Blank is fixed in the mould, and the wear-resisting level engineering plastics of molten condition are poured on the blank, in the pan feeding screwed hole on the wear-resisting level engineering plastics inflow blank of molten condition;
The wear-resisting level engineering plastics of molten condition are following dry three hours at 150 ℃;
Improve temperature to 200 ℃ with 10 ℃ speed per hour;
At least be incubated 4 hours at 200 ℃;
With per hour 10 ℃ speed cooling, up to 140 ℃;
Naturally cool to room temperature, form the injection moulding blank, the injection molded layers (3) that described injection moulding blank comprises matrix (1) and formed by engineering plastics;
Owing to have the slit between mould and the matrix, so the wear-resisting level engineering plastics of molten condition can flow into the slit in the injection moulding process, therefore will carry out fine finishining to the cylindrical of injection moulding blank, remove unnecessary plastics;
Drill through central through hole (6) from matrix to injection molded layers;
At base layer processing dowel hole (10), described dowel hole (10) plays positioning action in matrix and rear end cap assembling process;
Correct grinding matrix top layer;
From injection molded layers to matrix finish-milling high pressure kidney slot (9), low pressure kidney slot (5) and drill through positioning through hole (4), described positioning through hole (4) is used for and will be fixed in rear end cap by the valve plate that matrix and injection molded layers constitute, reduced valve plate and rear end cap this to friction pair.
At injection molded layers (3) processing high pressure damping slot (8), and low pressure damping slot (7), described high pressure damping slot (8), the pressure pulse that produces when being used for slowing down plunger cavity and high pressure kidney slot (9) connection reduces cavitation; Described low pressure damping slot (7), the pressure pulse that produces when being used for slowing down plunger cavity and low pressure kidney slot (5) connection reduces cavitation;
High pressure kidney slot (9) on base layer and the outer of low pressure kidney slot (5) are milled seal groove (11), (12) respectively, and putting O type circle in seal groove (11), (12) increases sealing, reduces to reveal volumetric efficiency is provided.
Claims (4)
1. method of making water hydraulic oblique tray type plunger pump port plate, described plunger displacement pump comprises main shaft, rear end cap, plunger cavity and valve plate, main shaft runs through valve plate, valve plate is fixed in rear end cap, have a high pressure waist type groove (9) and a low pressure waist type groove (5) on the valve plate, communicate with high pressure intake and low pressure delivery mouth on the rear end cap respectively; Described valve plate comprises matrix (1) and injection molded layers (3) two parts, it is characterized in that comprising following steps:
(1). the matrix blanking---obtain processing the blank of the required corrosion resistant alloy of matrix according to the processing request blanking of matrix (1) outline;
(2). the processing of matrix---at blank processing pan feeding screwed hole (2), pan feeding screwed hole (2) is blind hole;
(3). injection moulding forms the injection moulding blank, specifically comprises:
3.1) blank is fixed in the mould, and the wear-resisting level engineering plastics of molten condition are poured on the blank, in the pan feeding screwed hole (2) on the wear-resisting level engineering plastics inflow blank of molten condition;
3.2) the wear-resisting level engineering plastics of molten condition are following dry three hours at 150 ℃;
3.3) improve temperature to 200 ℃ with 10 ℃ speed per hour;
3.4) be incubated 4 hours at least at 200 ℃;
3.5) with per hour 10 ℃ speed cooling, up to 140 ℃;
3.6) naturally cool to room temperature, form the injection moulding blank, the injection molded layers (3) that described injection moulding blank comprises matrix (1) and formed by engineering plastics;
(4). the injection moulding blank is carried out fine finishining.
2. a kind of method of making water hydraulic oblique tray type plunger pump port plate according to claim 1 is characterized in that fine finishining may further comprise the steps:
Cylindrical to the injection moulding blank carries out fine finishining;
(3) machining center through hole (6) from matrix to injection molded layers, described central through hole (6) are used for placing main shaft;
At base layer processing dowel hole (10), described dowel hole (10) plays positioning action in matrix and rear end cap assembling process;
Correct grinding matrix top layer;
Processing high pressure kidney slot (9), low pressure kidney slot (5) and the positioning through hole (4) from injection molded layers to base layer, described positioning through hole (4) is used for and will be fixed in rear end cap by the valve plate that matrix and injection molded layers constitute;
At injection molded layers (3) processing high pressure damping slot (8), and low pressure damping slot (7), described high pressure damping slot (8), the pressure pulse that produces when being used for slowing down plunger cavity and high pressure kidney slot (9) connection, described low pressure damping slot (7), the pressure pulse that produces when being used for slowing down plunger cavity and low pressure kidney slot (5) connection;
High pressure kidney slot (9) on base layer and the outer of low pressure kidney slot (5) process seal groove (11), (12) respectively.
3. a kind of method of making water hydraulic oblique tray type plunger pump port plate according to claim 1, it is characterized in that: described matrix (1) adopts martensite PH stainless steel 17-4PH or 321 stainless steels, and the wear-resisting level engineering plastics of described injection molded layers (3) adopt polyether-ether-ketone PEEK.
4. according to the valve plate of the described water hydraulic plunger displacement pump of claim 1, it is characterized in that: described high pressure damping slot (8), and the version that low pressure damping slot (7) adopts is the form of triangular groove or form or the form of hole slot combination or the form of damping hole of series damped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100917571A CN103192489A (en) | 2013-03-21 | 2013-03-21 | Method for manufacturing valve plate of water hydraulic swash plate plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100917571A CN103192489A (en) | 2013-03-21 | 2013-03-21 | Method for manufacturing valve plate of water hydraulic swash plate plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103192489A true CN103192489A (en) | 2013-07-10 |
Family
ID=48715391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100917571A Pending CN103192489A (en) | 2013-03-21 | 2013-03-21 | Method for manufacturing valve plate of water hydraulic swash plate plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103192489A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883510A (en) * | 2014-04-17 | 2014-06-25 | 哈尔滨工业大学 | Flow pressure characteristic test and experiment device for pressure buffering groove of valve plate |
| CN105058688A (en) * | 2015-08-13 | 2015-11-18 | 小米科技有限责任公司 | Mobile device, mobile device frame structure and machining technology of mobile device frame structure |
| CN108302042A (en) * | 2017-01-13 | 2018-07-20 | 好米动力设备有限公司 | A kind of star-wheel for single screw compressor |
| CN109854441A (en) * | 2019-01-28 | 2019-06-07 | 淄博职业学院 | A kind of valve plate and plunger type fluid machinery of plunger type fluid machinery |
| CN111664088A (en) * | 2020-05-18 | 2020-09-15 | 上海盈智汽车零部件有限公司 | High-wear-resistance and high-precision diesel gear pump |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220196A (en) * | 2008-01-22 | 2008-07-16 | 南京肯特复合材料有限公司 | Poly(ether-ether-ketone) composite material, production method and application of sealing member |
-
2013
- 2013-03-21 CN CN2013100917571A patent/CN103192489A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220196A (en) * | 2008-01-22 | 2008-07-16 | 南京肯特复合材料有限公司 | Poly(ether-ether-ketone) composite material, production method and application of sealing member |
Non-Patent Citations (1)
| Title |
|---|
| 阮俊: "全水润滑斜盘式海水轴向柱塞泵的研究", 《中国优秀硕士学位论文全文数据库（电子期刊），工程科技Ⅱ辑》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883510A (en) * | 2014-04-17 | 2014-06-25 | 哈尔滨工业大学 | Flow pressure characteristic test and experiment device for pressure buffering groove of valve plate |
| CN103883510B (en) * | 2014-04-17 | 2016-04-13 | 哈尔滨工业大学 | A kind of thrust plate pressure buffer concentrated flow piezometric force characteristic experimental apparatus for testing |
| CN105058688A (en) * | 2015-08-13 | 2015-11-18 | 小米科技有限责任公司 | Mobile device, mobile device frame structure and machining technology of mobile device frame structure |
| CN108302042A (en) * | 2017-01-13 | 2018-07-20 | 好米动力设备有限公司 | A kind of star-wheel for single screw compressor |
| CN108302042B (en) * | 2017-01-13 | 2020-10-23 | 好米动力设备有限公司 | Star wheel for single screw compressor |
| CN109854441A (en) * | 2019-01-28 | 2019-06-07 | 淄博职业学院 | A kind of valve plate and plunger type fluid machinery of plunger type fluid machinery |
| CN111664088A (en) * | 2020-05-18 | 2020-09-15 | 上海盈智汽车零部件有限公司 | High-wear-resistance and high-precision diesel gear pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103192489A (en) | Method for manufacturing valve plate of water hydraulic swash plate plunger pump | |
| CN102141022B (en) | Double canted disk valve distribution axial plunger type water hydraulic pressure shielding pump | |
| CN201155457Y (en) | Rotor of rotor pump | |
| CN103615385B (en) | A kind of detachable hydraulic swash plate pump plunger piston slippery boots assembly | |
| CN104612956A (en) | Variable axial plunger type water pump with full-water lubrication | |
| CN102155371A (en) | Reverse osmosis sea water desalinization high-pressure pump | |
| CN204610163U (en) | Double steering constant-pressure variable axial piston pump | |
| CN203114547U (en) | Valve control axial plunger pump | |
| CN101956684A (en) | Plunger type water pump | |
| CN103089615A (en) | Leakage type high-pressure vane pump and its use method | |
| CN103206383B (en) | With the gas heart pump of impeller central ftercompction controlling device | |
| CN100424342C (en) | Oscillating disc sliding valve pintle axial plunger pump (motor) | |
| CN201786594U (en) | Plunger water pump | |
| CN101403380A (en) | Ultra-high pressure three-plunger pump | |
| CN103603813A (en) | Turbocharging borehole immersed pump | |
| CN205779676U (en) | Energy-saving blade pump | |
| CN204226175U (en) | A kind of novel wear resistant hydraulic axial plunger | |
| CN207920787U (en) | A kind of oil field water injection wellhead individual well direct-filling type augmented injection pump | |
| CN201306272Y (en) | Super-voltage triple plunger pump | |
| CN204729330U (en) | Self-lubricating metal-ceramic coating centrifugal pump blade guiding wheel | |
| CN101354043A (en) | Variable flow centrifugal pump | |
| CN101270738A (en) | Axial plunger type hydraulic motor or pump | |
| CN205669483U (en) | A kind of axial plunger pump hole slot combines flow distribution apparatus | |
| CN204402783U (en) | There is the plunger pump of lubrication system | |
| CN209012006U (en) | A kind of highly effective energy saving axial direction plunger type thickened-oil pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130710 |