CN103433704A - Main valve element of precise pressure reducing valve and production technology - Google Patents
Main valve element of precise pressure reducing valve and production technology Download PDFInfo
- Publication number
- CN103433704A CN103433704A CN2013103642316A CN201310364231A CN103433704A CN 103433704 A CN103433704 A CN 103433704A CN 2013103642316 A CN2013103642316 A CN 2013103642316A CN 201310364231 A CN201310364231 A CN 201310364231A CN 103433704 A CN103433704 A CN 103433704A
- Authority
- CN
- China
- Prior art keywords
- valve rod
- adapter sleeve
- forcing press
- steel ball
- main valve
- 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.)
- Granted
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 7
- 241000397426 Centroberyx lineatus Species 0.000 claims abstract description 4
- 238000005987 sulfurization reaction Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 6
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000004073 vulcanization Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 abstract description 3
- 238000004826 seaming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Images
Landscapes
- Lift Valve (AREA)
Abstract
The invention discloses a main valve element of a precise pressure reducing valve. The main valve element of the precise pressure reducing valve comprises a valve rod, a connecting sleeve and a steel ball. A connection section is turned on the end portion of the valve rod. A conical bearing shoulder is turned on the neck portion of the connection section. A shoulder-shaped step is turned in the middle of the valve rod. A nitrile rubber layer is vulcanized on the shoulder-shaped step. A connection through hole is turned in one end of the connecting sleeve, the end with the connection through hole is connected to the connection section of the valve rod in a pressing mode through interference fit, a bearing hole with the small end portion and a swallow-tail section is turned in the other end of the connecting sleeve, and the steel ball is pressed into the bearing hole through interference fit. The steel ball is a steel ball for a ball bearing. According to the structure of the main valve element, the production technology is simplified and various technical requirements of the main valve element are met.
Description
Technical field
The present invention relates to a kind of structure and production technology of precise pressure-reducing valve main valve plug.
Background technology
Precise pressure-reducing valve is the pressure-reducing valve that a kind of technology content is higher, domestic successful is actually rare at present, its main valve plug of traditional precise pressure-reducing valve adopts overall structure, because its end sphere processing is formed by fine turning lathe turning, its fineness and concentricity requirement are very high, and simultaneously because its structure is more complicated, the sulfuric horizon of main valve plug two shoulders also is difficult to reach specification requirement, cause the passing rate of processing of main valve plug very low, become the successful key of restriction precise pressure-reducing valve.
Summary of the invention
The object of the invention is to overcome the defect of original technology, a kind of precise pressure-reducing valve main valve plug and production technology of simple in structure, handling ease is provided.
For achieving the above object, the present invention announces a kind of precise pressure-reducing valve main valve plug and production technology, specific as follows:
A kind of precise pressure-reducing valve main valve plug, comprise valve rod, adapter sleeve and steel ball, the end turning of described valve rod has a linkage section, in the turning of the top of linkage section, there is taper to accept shoulder, in the turning of the middle part of valve rod, shoulder shape step is arranged, on shoulder shape step, sulfuration has the acrylonitrile-butadiene rubber layer, described adapter sleeve one end turning is connecting through hole, by interference fit, be crimped on the linkage section of valve rod, other end turning is concentric with connecting through hole, end is little, the receiving hole that section is swallow-tail form, by described steel ball, by interference fit, be pressed together in receiving hole, described steel ball is the ball bearing steel ball especially.
The production technology of precise pressure-reducing valve main valve plug is as follows:
The first step: with brass turning by drawing, go out valve rod 1 and adapter sleeve 2 and carry out the chrome-faced processing;
Second step: the shoulder of valve rod 1 11 is carried out to the sulfuration of acrylonitrile-butadiene rubber: valve rod 1 shoulder is coated to sulfuration glue and put into particular manufacturing craft and vulcanized by vulcanizing press, 180 ℃ of curing temperatures, cure time 180s, sulfide stress 10Mpa;
The 3rd step: adapter sleeve is pressed into to valve rod with forcing press:
1) checked forcing press operating air pressure, cleared up forcing press work top, adjust the impulse stroke of forcing press, clamped the riveting head of forcing press, make it to meet technological requirement;
2) valve rod 1 after sulfuration is coated to 705 glue at the end contact-making surface that needs riveted, then valve rod 1 is placed on the work bed die of lock seaming machine;
3) adapter sleeve is placed on to the valve rod end, starts forcing press, by the riveting head by valve rod 1 and the tight pressing of adapter sleeve 2;
The 4th step: with forcing press, steel ball is pressed into to the top of adapter sleeve:
1) adjust the impulse stroke of forcing press, clamped the riveting head of forcing press, make it to meet technological requirement;
2) valve rod 1 of the good adapter sleeve of pressing is placed on the work bed die of lock seaming machine, steel ball 3 is placed on reposefully to the top of adapter sleeve 2;
3) start forcing press, by the riveting head of forcing press, steel ball 3 is pressed on to the top of adapter sleeve 2.
The 5th step: product is tested, meet drawing requirement.
The beneficial effect that above structure and technique are brought is: by the structural design of main valve plug, be split type, make the processing technology of parts become simple, valve rod becomes regular cylindrical shape, be easy to the location sulfuration in the particular manufacturing craft of sulfuration, to be difficult to processing the main valve plug spherical modification be the ball bearing steel ball that is easy to buy in city, like this, improve the passing rate of processing of precise pressure-reducing valve main valve plug, made the quality index of main valve plug be improved simultaneously.
The accompanying drawing explanation
Fig. 1 is traditional precise pressure-reducing valve main valve plug structure chart.
Fig. 2 is precise pressure-reducing valve main valve plug structure chart of the present invention.
Fig. 3 is precise pressure-reducing valve main valve plug Split type structure figure of the present invention.
The specific embodiment
The main valve plug structure of traditional precise pressure-reducing valve is shown in Fig. 1; it adopts monolithic construction; the SR3 sphere is generally processed by fine turning lathe; precision and nonconcentricity require very high; simultaneously because overall structure is more complicated; for the sulfuration of its shoulder has brought difficulty, therefore this main valve plug qualification rate is lower, be difficult to accomplish scale production.
The main valve plug structure of precise pressure-reducing valve of the present invention is shown in Fig. 2, Fig. 3, comprise valve rod 1, adapter sleeve 2, steel ball 3, the end turning of described valve rod has a linkage section 12, in the turning of the top of linkage section, there is taper to accept shoulder 13, in the turning of the middle part of valve rod, shoulder shape step 11 is arranged, on shoulder shape step, sulfuration has acrylonitrile-butadiene rubber layer 14, described adapter sleeve 2 one end turning are connecting through hole 21, by interference fit, be crimped on the linkage section 12 of valve rod, other end turning is that end is little, the receiving hole 22 that section is swallow-tail form, by described steel ball 3, by interference fit, be pressed together in receiving hole 22, described steel ball is the ball bearing steel ball that meets national standard, the surface accuracy of this steel ball, the technical indicator such as nonconcentricity and hardness all meets the specification requirement of main valve plug, be easy to buy from the market.
The production technology of precise pressure-reducing valve main valve plug of the present invention is as follows:
The first step: with the turning by drawing of H59 brass, go out valve rod 1 and adapter sleeve 2 and carry out the chrome-faced processing;
Second step: the middle part of valve rod 1 shoulder shape step 11 is carried out to the sulfuration of acrylonitrile-butadiene rubber: the shoulder shape step 11 of valve rod 1 is coated after sulfuration glue vertically to be fastened in the dedicated vulcanization mould and vulcanized by vulcanizing press, 180 ℃ of curing temperatures, cure time 180s, sulfide stress 10Mpa;
The 3rd step: adapter sleeve 2 is pressed into to valve rod 1 by forcing press:
1) checked forcing press operating air pressure, cleared up forcing press work top, adjust the impulse stroke of forcing press, load onto the riveting head, make it to meet technological requirement;
2) valve rod 1 after sulfuration is coated to 705 glue at the contact-making surface of linkage section 12, then valve rod 1 is vertically fixed on the work bed die of forcing press;
3) connecting through hole of adapter sleeve 2 21 is held level with both hands to the taper that is placed on quietly valve rod and accept on shoulder 13, start forcing press, adapter sleeve 2 interference fit are crimped on the linkage section 12 of valve rod by the riveting head;
The 4th step: steel ball 3 is pressed in the receiving hole 22 of adapter sleeve by forcing press:
1) adjust the impulse stroke of forcing press, load onto the riveting head, make it to meet technological requirement;
2) valve rod 1 of the good adapter sleeve 2 of crimping is vertically fixed on the work bed die of forcing press, steel ball 3 is placed on reposefully in the receiving hole 22 of adapter sleeve 2;
3) start forcing press, by the riveting head, steel ball 3 is pressed together in the receiving hole 22 of adapter sleeve 2 by interference fit.
The 5th step: product is tested, meet drawing requirement.
Claims (3)
1. a precise pressure-reducing valve main valve plug, comprise valve rod, adapter sleeve and steel ball, the end turning of described valve rod has a linkage section, in the turning of the top of linkage section, there is taper to accept shoulder, in the turning of the middle part of valve rod, shoulder shape step is arranged, on shoulder shape step, sulfuration has the acrylonitrile-butadiene rubber layer, described adapter sleeve one end turning is connecting through hole, is crimped on by interference fit on the linkage section of valve rod, and other end turning is end is little, section is swallow-tail form receiving hole, is pressed together in receiving hole by interference fit by described steel ball.
2. precise pressure-reducing valve main valve plug according to claim 1, is characterized in that described steel ball is the ball bearing steel ball.
3. the production technology of a precise pressure-reducing valve main valve plug, its method is as follows:
The first step: with brass turning by drawing, go out valve rod and adapter sleeve and carry out the chrome-faced processing;
Second step: the middle part of valve rod shoulder shape step is carried out to the sulfuration of acrylonitrile-butadiene rubber: the shoulder shape step of valve rod is coated after sulfuration glue vertically to be fastened in the dedicated vulcanization mould and vulcanized by vulcanizing press, curing temperature (150～180) ℃, cure time (160～180) s, sulfide stress (6～10) Mpa;
The 3rd step: adapter sleeve is pressed into to valve rod by forcing press:
1) checked forcing press operating air pressure, cleared up forcing press work top, adjust the impulse stroke of forcing press, load onto the riveting head, make it to meet technological requirement;
2) valve rod after sulfuration is applied glue at the contact-making surface of linkage section, then valve rod is vertically fixed on the work bed die of forcing press;
3) connecting through hole of adapter sleeve is held level with both hands to the taper that is placed on quietly valve rod and accept shoulder above, start forcing press, the adapter sleeve interference fit is crimped on the linkage section of valve rod by the riveting head;
The 4th step: steel ball is pressed in the receiving hole of adapter sleeve by forcing press:
1) adjust the impulse stroke of forcing press, load onto the riveting head, make it to meet technological requirement;
2) valve rod of the good adapter sleeve of crimping is vertically fixed on the work bed die of forcing press, steel ball is placed on reposefully in the receiving hole of adapter sleeve;
3) start forcing press, by the riveting head, steel ball is pressed together in the receiving hole of adapter sleeve by interference fit.
The 5th step: product is tested, meet drawing requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364231.6A CN103433704B (en) | 2013-08-16 | 2013-08-16 | A kind of production technology of precise pressure-reducing valve main valve plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364231.6A CN103433704B (en) | 2013-08-16 | 2013-08-16 | A kind of production technology of precise pressure-reducing valve main valve plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103433704A true CN103433704A (en) | 2013-12-11 |
| CN103433704B CN103433704B (en) | 2016-02-24 |
Family
ID=49687468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310364231.6A Active CN103433704B (en) | 2013-08-16 | 2013-08-16 | A kind of production technology of precise pressure-reducing valve main valve plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103433704B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057977A (en) * | 2014-06-13 | 2014-09-24 | 哈尔滨市特多佳调速技术开发中心 | Critical speed gearing mechanism for retarder |
| CN105114673A (en) * | 2015-08-20 | 2015-12-02 | 宁波市华益气动工程有限公司 | Precision pressure reducing valve |
| CN105537885A (en) * | 2016-03-03 | 2016-05-04 | 布志刚 | Machining method of valve element |
| CN106015650A (en) * | 2016-07-13 | 2016-10-12 | 成都安程通科技有限公司 | Natural gas reducing valve |
| CN106112441A (en) * | 2016-08-20 | 2016-11-16 | 无锡鹰贝精密轴承有限公司 | Spool steel ball assembly technology |
| CN106112469A (en) * | 2016-08-20 | 2016-11-16 | 无锡鹰贝精密轴承有限公司 | The assembling of spool steel ball and closing device |
| CN106369182A (en) * | 2015-11-04 | 2017-02-01 | 衡阳中地装备探矿工程机械有限公司 | Integral ball valve guide sleeve and machining method thereof |
| CN111734833A (en) * | 2020-05-15 | 2020-10-02 | 扬州润盈机械有限公司 | Novel structure for solving small hole sealing |
| CN112066236A (en) * | 2020-09-24 | 2020-12-11 | 宁波华成阀门有限公司 | Novel from steady voltage type valve |
| CN113334033A (en) * | 2021-06-24 | 2021-09-03 | 艾肯（江苏）工业技术有限公司 | Constant linear speed ball head processing technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2827271A1 (en) * | 1977-06-22 | 1979-01-18 | Honda Motor Co Ltd | MANUFACTURING PROCESS FOR WELDED VALVE CONES |
| CA2193589A1 (en) * | 1995-12-25 | 1997-06-26 | Tomohiro Ono | Method of manufacturing pressure regulator |
| CN200986030Y (en) * | 2006-12-04 | 2007-12-05 | 江苏苏盐阀门机械有限公司 | Floating ball type lines sealing globe valve |
| CN101992388A (en) * | 2010-10-28 | 2011-03-30 | 天津悦华工贸有限公司 | Method for installing plunger piston and valve rod of stop valve |
| CN201925552U (en) * | 2011-03-17 | 2011-08-10 | 浙江百灵气动科技有限公司 | Reducing valve |
-
2013
- 2013-08-16 CN CN201310364231.6A patent/CN103433704B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2827271A1 (en) * | 1977-06-22 | 1979-01-18 | Honda Motor Co Ltd | MANUFACTURING PROCESS FOR WELDED VALVE CONES |
| CA2193589A1 (en) * | 1995-12-25 | 1997-06-26 | Tomohiro Ono | Method of manufacturing pressure regulator |
| CN200986030Y (en) * | 2006-12-04 | 2007-12-05 | 江苏苏盐阀门机械有限公司 | Floating ball type lines sealing globe valve |
| CN101992388A (en) * | 2010-10-28 | 2011-03-30 | 天津悦华工贸有限公司 | Method for installing plunger piston and valve rod of stop valve |
| CN201925552U (en) * | 2011-03-17 | 2011-08-10 | 浙江百灵气动科技有限公司 | Reducing valve |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057977A (en) * | 2014-06-13 | 2014-09-24 | 哈尔滨市特多佳调速技术开发中心 | Critical speed gearing mechanism for retarder |
| CN105114673A (en) * | 2015-08-20 | 2015-12-02 | 宁波市华益气动工程有限公司 | Precision pressure reducing valve |
| CN106369182A (en) * | 2015-11-04 | 2017-02-01 | 衡阳中地装备探矿工程机械有限公司 | Integral ball valve guide sleeve and machining method thereof |
| CN105537885A (en) * | 2016-03-03 | 2016-05-04 | 布志刚 | Machining method of valve element |
| CN106015650A (en) * | 2016-07-13 | 2016-10-12 | 成都安程通科技有限公司 | Natural gas reducing valve |
| CN106112441A (en) * | 2016-08-20 | 2016-11-16 | 无锡鹰贝精密轴承有限公司 | Spool steel ball assembly technology |
| CN106112469A (en) * | 2016-08-20 | 2016-11-16 | 无锡鹰贝精密轴承有限公司 | The assembling of spool steel ball and closing device |
| CN106112441B (en) * | 2016-08-20 | 2018-07-24 | 无锡鹰贝精密轴承有限公司 | Spool steel ball assembly technology |
| CN111734833A (en) * | 2020-05-15 | 2020-10-02 | 扬州润盈机械有限公司 | Novel structure for solving small hole sealing |
| CN112066236A (en) * | 2020-09-24 | 2020-12-11 | 宁波华成阀门有限公司 | Novel from steady voltage type valve |
| CN113334033A (en) * | 2021-06-24 | 2021-09-03 | 艾肯（江苏）工业技术有限公司 | Constant linear speed ball head processing technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103433704B (en) | 2016-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103433704B (en) | A kind of production technology of precise pressure-reducing valve main valve plug | |
| CN102806453B (en) | A kind of locker clamping instrument | |
| CN201527247U (en) | Measuring column for central diameter of cage pocket hole of self-aligning roller bearing entity | |
| CN205147365U (en) | Frock clamp of processing sphere | |
| CN204108877U (en) | Synchronous ring inner ring external cone clamp | |
| CN204867269U (en) | Cold heading machine stamping die for roller bearing | |
| CN105458694B (en) | The assembly method of air brake valve general assembly frock | |
| CN204867268U (en) | A four combination cold -heading moulds for $lacking cylindrical roller spherical roller | |
| CN201613461U (en) | Auxiliary fixture | |
| CN206855032U (en) | Valve ball valve port frock clamp | |
| CN205763404U (en) | A kind of linear contact lay ball guide pillar guide pin bushing assembly | |
| CN205130237U (en) | Asymmetric ball pivot joint undergauge frock | |
| CN204921983U (en) | Novel gasket | |
| CN102744283A (en) | Direct extrusion punch structure for improving stress state | |
| CN204154948U (en) | For crimping, the equipment of separation of ceramic lock pin and metal caudal peduncle | |
| CN105397712B (en) | A kind of air brake valve general assembly frock | |
| CN203449159U (en) | Running-in tool of thin-wall bearing distance sleeve | |
| CN205759496U (en) | New automatic tennis bladders one side of something sticks with paste device on grinding | |
| CN202763772U (en) | Bearing press-in device | |
| CN106181570B (en) | A kind of comprehensive positioning of rotating ring forging part and aligning method | |
| CN201432188Y (en) | Flexible core clamper | |
| CN205835191U (en) | Float top board for elastic conjunction pin | |
| CN202667306U (en) | Forward extrusion structure for improving stress state | |
| CN201964018U (en) | Nonmetal base body valve core of internal pressure rubber sealing block | |
| CN104455032A (en) | Nylon holder press-fit device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325604 Yueqing Economic Development Zone, Zhejiang, No. eight, No. Road, No. 387 Patentee after: BLCH PNEUMATIC SCIENCE & TECHNOLOGY CO.,LTD. Address before: 325604 Yueqing Economic Development Zone, Zhejiang, No. eight, No. Road, No. 387 Patentee before: ZHEJIANG BLCH PNEUMATIC SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Production process of main valve core of precision pressure reducing valve Effective date of registration: 20220620 Granted publication date: 20160224 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: BLCH PNEUMATIC SCIENCE & TECHNOLOGY CO.,LTD. Registration number: Y2022980008140 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231016 Granted publication date: 20160224 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: BLCH PNEUMATIC SCIENCE & TECHNOLOGY CO.,LTD. Registration number: Y2022980008140 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |