CN104389836A - Motor flushing valve seat and machining method thereof - Google Patents
Motor flushing valve seat and machining method thereof Download PDFInfo
- Publication number
- CN104389836A CN104389836A CN201410715256.0A CN201410715256A CN104389836A CN 104389836 A CN104389836 A CN 104389836A CN 201410715256 A CN201410715256 A CN 201410715256A CN 104389836 A CN104389836 A CN 104389836A
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- China
- Prior art keywords
- valve seat
- oil duct
- oil
- oilway
- mounting plane
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- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Valve Housings (AREA)
Abstract
The motor flushing valve seat is characterized in that a left valve seat reversing control oilway and a right valve seat reversing control oilway are arranged in the valve seat, the left valve seat reversing control oilway is connected with a left oilway, the right valve seat reversing control oilway is connected with a right oilway, the valve seat is further provided with a lower valve seat flushing oilway and an upper valve seat flushing oilway, the lower valve seat flushing oilway and the upper valve seat flushing oilway are communicated, an oil distribution disc positioning pin hole for limiting and fixedly mounting an oil distribution disc is formed in the valve seat, a left waist-shaped oil port and a right waist-shape oil port which correspond to the waist-shaped oil ports in the oil distribution disc are formed in the valve seat, right oilway external oil pipe fastening threaded holes are formed in the right oilway, left oilway external oil pipe fastening threaded holes are formed in the left oilway, and a valve seat left mounting plane and a valve seat right mounting plane are disposed on the valve seat. The motor flushing valve seat has the advantages that bidirectional in and out is achieved by the left waist-shaped oil port and the right waist-shaped oil port in the valve seat, efficiency and convenience are achieved, the valve seat can also serve as a rear end cover, high integration degree is achieved, and production cost can be lowered effectively.
Description
Technical field
The present invention relates to hydraulic system and perform components and parts technical field, particularly relate to a kind of motor and rinse valve seat and processing method thereof.
Background technique
Hydraulic energy transfer is being hydraulic oil shuttling movement in mechanical energy process by oil hydraulic motor, create huge heat, if heat sheds not in time, oil hydraulic motor temperature rise will be caused too high, affect its working life and working characteristics, serious even directly causes parts damages; And flushing valve is selectable unit in the oil hydraulic motor used at present, the flushing valve seat adopted in flushing valve effectively can not improve backflow and rinse cleanliness of hydraulic oil in performance loop, and oil circuit can only unidirectionally pass in and out, and is unfavorable for the flushing of hydraulic oil in loop; Valve seat rear end needs to arrange rear end cover simultaneously, and for fixing oil distribution casing, so the oil require of oil distribution casing just can be sent in valve seat through rear end cover, not only needs to extend oil transport pipeline, too increases cost of production.
Summary of the invention
Technical problem solved by the invention is to provide a kind of motor to rinse valve seat and processing method thereof, to solve the shortcoming in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions:
Motor rinses valve seat, left valve seat commutation control oil duct and right valve seat commutation control oil duct is provided with in its valve seat, and left valve seat commutation control oil duct is connected with left oil duct, oil for left oil duct transfers to corresponding flushing valve block by left valve seat commutation control oil duct, right valve seat commutation control oil duct is connected with right oil duct, and the oil for right oil duct transfers to corresponding flushing valve block by right valve seat commutation control oil duct; Simultaneously also be provided with lower valve base at valve seat to rinse oil duct and rinses oil duct with upper valve base, and lower valve base rinses oil duct rinses oil duct with upper valve base and be communicated with, the oil through corresponding flushing valve block is transferred to upper valve base flushing oil duct by lower valve base flushing oil duct; And the oil distribution casing positioning pin hole be provided with on valve seat for spacing fixed installation oil distribution casing; In addition, valve seat is provided with the left kidney-shaped hydraulic fluid port corresponding with the kidney-shaped hydraulic fluid port on oil distribution casing and right kidney-shaped hydraulic fluid port, for the hydraulic oil of system circuit being supplied to oil distribution casing and the oil return of oil distribution casing being transmitted back to system; Right oil duct is provided with the right oil duct external oil pipe fastening screw pit for connecting outside oil supply gallery, left oil duct is provided with the left oil duct external oil pipe fastening screw pit for connecting outside oil supply gallery, and on valve seat, is provided with the left mounting plane of valve seat and the right mounting plane of valve seat.
In the present invention, valve seat is provided with and rinses valve seat mounting screw holes, the connection for valve seat and motor casing is fastening.
In the present invention, the flushing valve seat mounting screw holes that valve seat is arranged is arranged symmetrically, to guarantee that valve seat and motor casing are arranged in same plane.
In the present invention, valve seat side is provided with four valve seat interior threaded holes, for being fastenedly connected corresponding flushing valve block.
In the present invention, left kidney-shaped hydraulic fluid port and right kidney-shaped hydraulic fluid port rinse oil duct center line symmetrically structural configuration about upper valve base.
In the present invention, left oil duct end is arcuate structure, is convenient to the hydraulic oil of absorbing external oil supply gallery conveying.
In the present invention, right oil duct end is arcuate structure, is convenient to the hydraulic oil of absorbing external oil supply gallery conveying.
In the present invention, the fuel feeding that valve seat is used for oil hydraulic motor rinses part, have rear end cover function concurrently, so the characteristics such as high pressure resistant, corrosion-resistant and shock-resistant need be possessed, and according to actual needs, part-structure needs higher machining accuracy, the planeness of the left mounting plane of valve seat is 0.01mm, its surface roughness is 0.8 μm, the planeness of the right mounting plane of valve seat is 0.005mm, and its surface roughness is 0.4 μm, and all the other body structure surfaces are the requirement of machining requirements IT6 class precision, valve seat has rear end cover concurrently and not only reduces oil transport pipeline, also reduces cost of production.
Motor flushing valve seat processing method, concrete steps are as follows:
1) choose body material, body material requires: material QT600-3, dense structure, and pore-free, loose, slag inclusion etc. affects the defect of quality, and it is 180 ~ 270HBS that body material samples hardness, tensile strength 495N/mm
2~ 510N/mm
2, casting accuracy is pressed GB/T6414-CT-8 and is performed;
2) to step 1) in the body material chosen remove overlap, batch seam, shot blasting on surface process, and carry out artificial aging process, to eliminate internal stress, obtain foundry goods base substrate;
3) by step 2) in obtain foundry goods base substrate carry out machining, and with the left mounting plane of valve seat and the right mounting plane acted as reference mutual of valve seat, in course of working, the left mounting plane of valve seat and the right mounting plane of valve seat stay machining allowance, all the other each structures complete processing by arranging clamping at twice, obtain valve seat; The process equipment adopted is vertical machining centre, and in vertical machining centre, be provided with Production development sampling observation detector, detects valve seat critical size, to ensure the machining accuracy produced in batches, effectively controls scrappage;
4) to step 3) in processing obtain valve seat and carry out sampling Detection, sampling observation rate is not less than 5%, and sample detection be entirely examine;
5) to step 4) in detect qualified valve seat entirety carry out phosphatization corrosion protection process;
6) to step 5) in carry out the valve seat that phosphatization corrosion protection is disposed and remove burr;
7) to step 6) in remove after the complete valve seat of burr carries out outward appearance detection and encapsulate warehouse-in.
In the present invention, step 3) two-sided simultaneous grinding fine finishing is carried out to the left mounting plane of valve seat and the right mounting plane of valve seat.
In the present invention, step 6) adopting heat energy mode to remove, machining and grinding fine finishing produces turns over all over burr.
Beneficial effect: the present invention is arranged on and is applied in the backflow flushing valve of oil hydraulic motor, rinse oil duct and upper valve base rinse the flushing of oil duct to hydraulic oil in performance loop by arranging lower valve base, the turbidity test of hydraulic oil in effective raising performance loop, the remarkable quality improving circuit system hydraulic oil, and then the working life extending associated components in transmission system; Left kidney-shaped hydraulic fluid port and right kidney-shaped hydraulic fluid port are set on valve seat simultaneously, for the hydraulic oil of system circuit being supplied to oil distribution casing and the oil return of oil distribution casing being transmitted back to system, two-way turnover, efficiently convenient; It is high that valve seat has rear end cover function integration degree concurrently, effectively can reduce cost of production.
Accompanying drawing explanation
Fig. 1 is the plan view of preferred embodiment of the present invention.
Fig. 2 is G-G place sectional view in Fig. 1.
Fig. 3 is the rear view of preferred embodiment of the present invention.
Fig. 4 is the left view of preferred embodiment of the present invention.
Fig. 5 is the right elevation of preferred embodiment of the present invention.
Fig. 6 is F-F place sectional view in Fig. 4.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
Motor see Fig. 1 ~ Fig. 6 rinses valve seat, comprises and rinses valve seat mounting screw holes 1, valve seat interior threaded hole 2, lower valve base flushing oil duct 3, left valve seat commutation control oil duct 4, right valve seat commutation control oil duct 5, oil distribution casing positioning pin hole 6, upper valve base flushing oil duct 7, outside oil supply gallery 1, outside oil supply gallery 29, right oil duct external oil pipe fastening screw pit 10, left oil duct external oil pipe fastening screw pit 11, left kidney-shaped hydraulic fluid port 12, right kidney-shaped hydraulic fluid port 13, the left mounting plane of valve seat 14, the right mounting plane of valve seat 15, left oil duct B and right oil duct A.
In the present embodiment, valve seat is provided with six and rinses valve seat mounting screw holes 1, connection for valve seat and motor casing is fastening, valve seat side is provided with four valve seat interior threaded holes 2, for being fastenedly connected corresponding flushing valve block, the left valve seat commutation control oil duct 4 that valve seat is arranged is connected with left oil duct B, oil for left oil duct B is transferred to corresponding flushing valve block by left valve seat commutation control oil duct 4, equally, the right valve seat commutation control oil duct 5 that valve seat is arranged is connected with right oil duct A, oil for right oil duct A is transferred to corresponding flushing valve block by right valve seat commutation control oil duct 5, the lower valve base that valve seat is arranged rinses oil duct 3 can transfer to upper valve base flushing oil duct 7 by the oil of the flushing valve block through correspondence, and flow to follow-up related components with flush motor, the oil distribution casing positioning pin hole 6 that valve seat is arranged is for the spacing oil distribution casing be fixedly mounted on valve seat, and the left kidney-shaped hydraulic fluid port 12 that valve seat is arranged, right kidney-shaped hydraulic fluid port 13 is corresponding with the kidney-shaped hydraulic fluid port on oil distribution casing, the hydraulic oil of system circuit is supplied to oil distribution casing and the oil return of oil distribution casing is transmitted back to system, the right oil duct external oil pipe fastening screw pit 10 that right oil duct A is arranged is for connecting outside oil supply gallery 29, the left oil duct external oil pipe fastening screw pit 11 that left oil duct B is arranged is for connecting outside oil supply gallery 1.
The fuel feeding that valve seat is used for oil hydraulic motor rinses part, have rear end cover function concurrently, so the characteristics such as high pressure resistant, corrosion-resistant and shock-resistant need be possessed, and according to actual needs, part-structure needs higher machining accuracy, and the planarity requirements of the left mounting plane 14 of valve seat is 0.01mm, its surface roughness is 0.8 μm, the planarity requirements of the right mounting plane 15 of valve seat is 0.005mm, and its surface roughness is 0.4 μm, and all the other body structure surfaces are the requirement of machining requirements IT6 class precision.
In the present embodiment, motor flushing valve seat processing method, concrete steps are as follows:
1) choose body material, body material requires: material QT600-3, dense structure, and pore-free, loose, slag inclusion etc. affects the defect of quality, and it is 190 ~ 240HBS that body material samples hardness, tensile strength 495N/mm
2~ 500N/mm
2, casting accuracy is pressed GB/T6414-CT-8 and is performed;
2) to step 1) in the body material chosen remove overlap, batch seam, shot blasting on surface process, and carry out artificial aging process, to eliminate internal stress, obtain foundry goods base substrate;
3) by step 2) in obtain foundry goods base substrate carry out machining, and with the left mounting plane of valve seat 14 and valve seat right mounting plane 15 acted as reference mutual, in course of working, the left mounting plane of valve seat 14 and the right mounting plane 15 of valve seat stay machining allowance, all the other each structures complete processing by arranging clamping at twice, obtain valve seat; The process equipment adopted is vertical machining centre, and in vertical machining centre, be provided with Production development sampling observation detector, detects valve seat critical size, to ensure the machining accuracy produced in batches, effectively controls scrappage;
4) to step 3) in processing obtain valve seat and carry out sampling Detection, sampling observation rate is not less than 5%, and sample detection be entirely examine;
5) to step 4) in detect qualified valve seat entirety carry out phosphatization corrosion protection process;
6) to step 5) in carry out the valve seat that phosphatization corrosion protection is disposed and remove burr;
7) to step 6) in remove after the complete valve seat of burr carries out outward appearance detection and encapsulate warehouse-in.
In the present embodiment, step 3) two-sided simultaneous grinding fine finishing is carried out to the left mounting plane of valve seat 14 and the right mounting plane of valve seat 15.
In the present embodiment, step 6) adopting heat energy mode to remove, machining and grinding fine finishing produces turns over all over burr.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. motor rinses valve seat, and it is characterized in that, be provided with left valve seat commutation control oil duct and right valve seat commutation control oil duct in valve seat, and left valve seat commutation control oil duct is connected with left oil duct, right valve seat commutation control oil duct is connected with right oil duct; Simultaneously also be provided with lower valve base at valve seat to rinse oil duct and rinse oil duct with upper valve base, and lower valve base flushing oil duct rinses oil duct with upper valve base is communicated with, and on valve seat, be provided with the oil distribution casing positioning pin hole for spacing fixed installation oil distribution casing; In addition, valve seat is provided with the left kidney-shaped hydraulic fluid port corresponding with the kidney-shaped hydraulic fluid port on oil distribution casing and right kidney-shaped hydraulic fluid port, right oil duct is provided with the right oil duct external oil pipe fastening screw pit for connecting outside oil supply gallery, left oil duct is provided with the left oil duct external oil pipe fastening screw pit for connecting outside oil supply gallery, and on valve seat, is provided with the left mounting plane of valve seat and the right mounting plane of valve seat.
2. motor according to claim 1 rinses valve seat, it is characterized in that, valve seat is provided with and rinses valve seat mounting screw holes.
3. motor according to claim 2 rinses valve seat, and it is characterized in that, the flushing valve seat mounting screw holes that valve seat is arranged is arranged symmetrically.
4. motor according to claim 1 rinses valve seat, and it is characterized in that, valve seat side is provided with four valve seat interior threaded holes.
5. motor according to claim 1 rinses valve seat, and it is characterized in that, left kidney-shaped hydraulic fluid port and right kidney-shaped hydraulic fluid port rinse oil duct center line symmetrically structural configuration about upper valve base.
6. motor according to claim 1 rinses valve seat, and it is characterized in that, left oil duct end is arcuate structure.
7. motor according to claim 1 rinses valve seat, and it is characterized in that, right oil duct end is arcuate structure.
8. motor according to claim 1 rinses valve seat, and it is characterized in that, the planeness of the left mounting plane of valve seat is 0.01mm, and its surface roughness is 0.8 μm, and the planeness of the right mounting plane of valve seat is 0.005mm, and its surface roughness is 0.4 μm.
9. motor flushing valve seat processing method, is characterized in that, concrete steps are as follows:
1) choose body material, body material requires: material QT600-3, dense structure, and without the defect affecting quality, body material sampling hardness is 180 ~ 270HBS, tensile strength 495N/mm
2~ 510N/mm
2, casting accuracy is pressed GB/T6414-CT-8 and is performed;
2) to step 1) in the body material chosen remove overlap, batch seam, shot blasting on surface process, and carry out artificial aging process, to eliminate internal stress, obtain foundry goods base substrate;
3) by step 2) in obtain foundry goods base substrate carry out machining, and with the left mounting plane of valve seat and the right mounting plane acted as reference mutual of valve seat, in course of working, machining allowance is stayed to the left mounting plane of valve seat and the right mounting plane of valve seat, all the other each structures complete processing by arranging clamping at twice, obtain valve seat; The process equipment adopted is vertical machining centre, and in vertical machining centre, be provided with Production development sampling observation detector, detects valve seat critical size;
4) to step 3) in processing obtain valve seat and carry out sampling Detection, sampling observation rate is not less than 5%, and sample detection be entirely examine;
5) to step 4) in detect qualified valve seat entirety carry out phosphatization corrosion protection process;
6) to step 5) in carry out the valve seat that phosphatization corrosion protection is disposed and remove burr.
10. motor flushing valve seat processing method according to claim 9, is characterized in that, step 3) two-sided simultaneous grinding fine finishing is carried out to the left mounting plane of valve seat and the right mounting plane of valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410715256.0A CN104389836A (en) | 2014-11-29 | 2014-11-29 | Motor flushing valve seat and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410715256.0A CN104389836A (en) | 2014-11-29 | 2014-11-29 | Motor flushing valve seat and machining method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104389836A true CN104389836A (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410715256.0A Pending CN104389836A (en) | 2014-11-29 | 2014-11-29 | Motor flushing valve seat and machining method thereof |
Country Status (1)
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| CN (1) | CN104389836A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723021A (en) * | 2018-05-21 | 2018-11-02 | 中色科技股份有限公司 | Flushing plate for flushing hydraulic pipeline |
| CN109488650A (en) * | 2018-11-26 | 2019-03-19 | 宁波斯达弗液压传动有限公司 | A kind of hydraulic motor with inner curved piston shell flushing valve |
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| US5799380A (en) * | 1994-06-15 | 1998-09-01 | Trw Fahrwerksysteme Gmbh & Co.Kg | Device for assembling a servo valve |
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| US20090199403A1 (en) * | 2008-02-13 | 2009-08-13 | Younger Steven W | Valve piston repositioning apparatus and method |
| CN101576105A (en) * | 2008-12-18 | 2009-11-11 | 上海电气液压气动有限公司 | Flushing valve |
| CN201575002U (en) * | 2009-12-30 | 2010-09-08 | 宁波欧易液压有限公司 | Hydraulic motor oil washing device |
| CN102852708A (en) * | 2012-09-20 | 2013-01-02 | 台州帕克兰液压机械有限公司 | Hydraulic motor with flushing function |
| US20130061965A1 (en) * | 2010-05-27 | 2013-03-14 | Graco Minnesota Inc. | Cross-porting configuration for series progressive divider valve |
| CN104358748A (en) * | 2014-11-03 | 2015-02-18 | 南京萨伯工业设计研究院有限公司 | Backflow flush valve for motor and control method of backflow flush valve |
| CN204200772U (en) * | 2014-11-03 | 2015-03-11 | 南京萨伯工业设计研究院有限公司 | Motor return flushing valve |
| CN204327621U (en) * | 2014-11-29 | 2015-05-13 | 南京萨伯工业设计研究院有限公司 | Motor rinses valve seat |
-
2014
- 2014-11-29 CN CN201410715256.0A patent/CN104389836A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5799380A (en) * | 1994-06-15 | 1998-09-01 | Trw Fahrwerksysteme Gmbh & Co.Kg | Device for assembling a servo valve |
| US20080289711A1 (en) * | 2007-05-24 | 2008-11-27 | Rti Technologies, Inc. | Fluid handling apparatus, manifold therefor and method of making same |
| CN101338824A (en) * | 2007-07-11 | 2009-01-07 | 浙江盾安人工环境设备股份有限公司 | Electromagnetic four-way valve main valve seat processing method |
| US20090199403A1 (en) * | 2008-02-13 | 2009-08-13 | Younger Steven W | Valve piston repositioning apparatus and method |
| CN101576105A (en) * | 2008-12-18 | 2009-11-11 | 上海电气液压气动有限公司 | Flushing valve |
| CN201575002U (en) * | 2009-12-30 | 2010-09-08 | 宁波欧易液压有限公司 | Hydraulic motor oil washing device |
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| CN102852708A (en) * | 2012-09-20 | 2013-01-02 | 台州帕克兰液压机械有限公司 | Hydraulic motor with flushing function |
| CN104358748A (en) * | 2014-11-03 | 2015-02-18 | 南京萨伯工业设计研究院有限公司 | Backflow flush valve for motor and control method of backflow flush valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723021A (en) * | 2018-05-21 | 2018-11-02 | 中色科技股份有限公司 | Flushing plate for flushing hydraulic pipeline |
| CN109488650A (en) * | 2018-11-26 | 2019-03-19 | 宁波斯达弗液压传动有限公司 | A kind of hydraulic motor with inner curved piston shell flushing valve |
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Application publication date: 20150304 |