CN106704627A - Processing method of split ball of ball valve - Google Patents
Processing method of split ball of ball valve Download PDFInfo
- Publication number
- CN106704627A CN106704627A CN201710068197.6A CN201710068197A CN106704627A CN 106704627 A CN106704627 A CN 106704627A CN 201710068197 A CN201710068197 A CN 201710068197A CN 106704627 A CN106704627 A CN 106704627A
- Authority
- CN
- China
- Prior art keywords
- valve
- ball
- valve rod
- processing method
- valve body
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
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- 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)
- General Engineering & Computer Science (AREA)
- Lift Valve (AREA)
- Forging (AREA)
Abstract
The invention discloses a processing method of a split ball of a ball valve. The processing method of the split ball of the ball valve comprises the steps of (1) forging or casting workblank; (2) heat-treating the obtained workblank; (3) turning an inner hole 19 and two end faces; (4) using a fixture for turning a ball surface; (5) carrying out surface treatment (comprising hot spray welding, plasma spray welding, supersonic spraying and the like) according to design requirements; (6) finish turning or accurate grinding the ball surface; (7) processing a pin shaft hole; (8) processing a valve rod inserting hole, and firstly processing a front surface and a rear surface paralleled mutually; (9) splitting the ball into a left half ball and a right half ball; and (10) processing an inclined wedge face on the valve rod inserting hole in the left half ball and the right half ball. The split ball processed by the invention has a reasonable structure and a good working performance, the inclined wedge face of the valve rod inserting hole is used for opening and closing; and the front and rear paralleled surfaces are used for opening and closing the valve to transmit torque.
Description
Technical field
The present invention relates to a kind of processing method to bulb separation body of ball valve.
Background technology
Ball valve is widely used because its flow resistance is small, keying is rapid, maximization, high parameter with device, to ball valve
Propose the requirement of high temperature, high pressure；Traditional soft seal no longer meets requirement, it is necessary to use the hard sealing pair of simple metal, simple metal
Seal pressure between sealing pair is much larger than soft seal, and coefficient of friction is also far above soft seal, the friction torque between sealing surface
Greatly.
The content of the invention
It is an object of the invention to provide a kind of rational in infrastructure, processing side to bulb separation body of the ball valve of favorable working performance
Method.
Technical solution of the invention is：
A kind of processing method to bulb separation body of ball valve, it is characterized in that：The ball valve, including valve body, valve seat, spheroid, valve rod, its
It is characterized in：Spheroid is the separable type spheroid being made up of left and right hemisphere, and bearing pin is provided with left and right hemisphere bottom junction；Place pin
On left hemisphere, second half is on right hemisphere for the half of the pin shaft hole of axle；Position between left and right hemisphere below bearing pin, has
Gap；The two cerebral hemispheres top junction, is provided with valve rod patchhole, and valve rod patchhole half on left hemisphere, second half
On right hemisphere, valve rod patchhole is made up of bottom surface, front-back and left and right face, and the forward and backward face of valve rod patchhole is to be parallel to each other
Vertical plane, the left and right face of valve rod patchhole is cammed surface；The bottom of valve rod is in the shape identical with valve rod insertion hole shape；
The top of valve rod coordinates with nut thread, and the nut is equipped with hand handle；The upper end of valve rod is equipped with spanner；
The processing method of separable type spheroid comprises the following steps successively：1）Forging or spray；2）The blank that will be obtained is carried out
Heat treatment；3）Turning inner hole 19 and both ends of the surface；4）Upper fixture car sphere；5）It is surface-treated by design requirement（Can include
Hot spray-welding, plasma spray, supersonic spray coating etc.）；6）Smart car or fine grinding sphere；7）Carry out bearing pin hole machined；8）Carry out valve rod
Insertion hole machined, and first process the forward and backward face being parallel to each other；9）Spheroid is split into left and right hemisphere；10）To left and right hemisphere
In valve rod patchhole carry out cammed surface processing.
Antifriction adjusting pad is set in valve body, below spheroid.
Nut gland is set on nut.
The left end of the valve body is valve body end flanges, and the right-hand member of valve body is flange in valve body, and valve body upper end is method on valve body
It is blue；Flange is combined with bonnet in valve body, and binding site is provided with pad.
Below nut, sealing shroud is set between valve rod and valve body.
The separable type spheroid of present invention processing, rational in infrastructure, favorable working performance；The cammed surface of valve rod patchhole is used to support
Open, draw in, front and rear parallel surface is used for switch valve and transmits torque.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of ball valve of the present invention.
Fig. 2 is the structural representation of valve rod patchhole.
Specific embodiment
A kind of processing method to bulb separation body of ball valve, the ball valve includes valve body 1, valve seat 2, spheroid 3, valve rod 4, spheroid
It is the separable type spheroid being made up of left and right hemisphere, bearing pin 5 is provided with left and right hemisphere bottom junction；Place the pin shaft hole of bearing pin
Half on left hemisphere, second half is on right hemisphere；Position between left and right hemisphere below bearing pin, with gap 6, makes valve
Left and right hemisphere has the distance rotated around bearing pin when bar is inserted；The two cerebral hemispheres top junction, is provided with valve rod patchhole 7, and valve
On left hemisphere, on right hemisphere, valve rod patchhole is by bottom surface, front-back and left and right face group for second half for the half of bar patchhole
Into, and the forward and backward face of valve rod patchhole is the vertical plane being parallel to each other, the left and right face of valve rod patchhole is cammed surface；Valve rod
Bottom is in the shape identical with valve rod insertion hole shape；The top of valve rod coordinates with the screw thread of nut 8, and the nut is equipped with hand 9；
The upper end of valve rod is equipped with spanner 10.
Antifriction adjusting pad 11 is set in valve body, below spheroid.Nut gland 12 is set on nut.
The left end of the valve body is valve body end flanges 13, and the right-hand member of valve body is flange 14 in valve body, and valve body upper end is valve body
Upper flange 15；Flange is combined with bonnet 16 in valve body, and binding site is provided with pad 17.
Nut lower section, setting sealing shroud 18 between valve rod and valve body.
The processing method of separable type spheroid comprises the following steps successively：1）Forging or spray；2）The blank that will be obtained
It is heat-treated；3）Turning inner hole 19 and both ends of the surface；4）Upper fixture car sphere；5）It is surface-treated by design requirement（Can be with
Including hot spray-welding, plasma spray, supersonic spray coating etc.）；6）Smart car or fine grinding sphere；7）Carry out bearing pin hole machined；8）Carry out
Valve rod inserts hole machined, and first processes the forward and backward face being parallel to each other；9）Spheroid is split into left and right hemisphere；10）To left and right
Valve rod patchhole in hemisphere carries out cammed surface processing.
The application method of the ball valve：When valve is in closed positions, valve rod is all inserted in valve rod and inserts in the hole, left and right
Hemisphere is strutted by valve rod cammed surface, reliable sealing；During valve opening, the right hand holds spanner, valve rod is not rotated, and left hand is shaken hands rotation spiral shell
Mother, now nut only turn not move, valve rod is only moved and not turned, so that poppet stem, the two cerebral hemispheres draw under medium effect, depart from valve
Seat sealing surface；Plate wrench, drives spheroid to rotate by the forward and backward face of valve rod patchhole, realizes valve opening.Close valve then make with it is above-mentioned
The opposite action of step.
The assembly method of above-mentioned ball valve comprises the following steps successively：1）By valve body end flanges down, middle flange places upward；
2）Left half valve seat is put into the valve seat orifice of valve body, is pushed into and is completely attached to valve body；3）Load antifriction adjusting pad, adjust antifriction
Pad upper surface is equal to the radius of spheroid to the distance of valve body center line；4）Left hemisphere is loaded into the valve seat sphere or cone in valve body
Face, bottom is not interfered with antifriction adjusting pad, and is fitted like a glove with sealing surface of seat；5）Right hemisphere is loaded in valve body, with left half
Ball is contacted；6）Valve rod is inserted into valve rod from valve inner to insert in the hole；7）Bearing pin is fitted into pin shaft hole；7）By right half valve seat dress
Enter in the valve seat orifice of bonnet, be pushed into and completely attached to valve body；8）Bonnet is connected with valve body, to be coordinated and load onto pad at positioning, tightly
Gu；9）Valve body bonnet is rotated by 90 °, makes valve body upper flange upward；10）Sealing shroud, nut, nut gland, hand are sequentially loaded into again
, spanner, spanner and valve rod are connect using being bonded, and are fixed with jump ring.
Claims (5)
1. the processing method to bulb separation body of a kind of ball valve, it is characterized in that：The ball valve, including valve body, valve seat, spheroid, valve rod,
It is characterized in that：Spheroid is the separable type spheroid being made up of left and right hemisphere, and bearing pin is provided with left and right hemisphere bottom junction；Place
On left hemisphere, second half is on right hemisphere for the half of the pin shaft hole of bearing pin；Position between left and right hemisphere below bearing pin, tool
There is gap；The two cerebral hemispheres top junction, is provided with valve rod patchhole, and valve rod patchhole half on left hemisphere, second half
On right hemisphere, valve rod patchhole is made up of bottom surface, front-back and left and right face, and the forward and backward face of valve rod patchhole is mutually flat
Capable vertical plane, the left and right face of valve rod patchhole is cammed surface；The bottom of valve rod is in the shape identical with valve rod insertion hole shape
Shape；The top of valve rod coordinates with nut thread, and the nut is equipped with hand handle；The upper end of valve rod is equipped with spanner；
The processing method of separable type spheroid comprises the following steps successively：1）Forging or spray；2）The blank that will be obtained is carried out
Heat treatment；3）Turning inner hole 19 and both ends of the surface；4）Upper fixture car sphere；5）It is surface-treated by design requirement；6）Smart car or
Fine grinding sphere；7）Carry out bearing pin hole machined；8）Valve rod insertion hole machined is carried out, and first processes the forward and backward face being parallel to each other；9）
Spheroid is split into left and right hemisphere；10）Cammed surface processing is carried out to the valve rod patchhole in left and right hemisphere.
2. the processing method to bulb separation body of ball valve according to claim 1, it is characterized in that：In valve body, below spheroid
Antifriction adjusting pad is set.
3. the processing method to bulb separation body of ball valve according to claim 1, it is characterized in that：Nut pressure is set on nut
Lid.
4. the processing method to bulb separation body of ball valve according to claim 1, it is characterized in that：The left end of the valve body is valve
Body end flange, the right-hand member of valve body is flange in valve body, and valve body upper end is valve body upper flange；Flange is combined with bonnet in valve body, and
Binding site is provided with pad.
5. the processing method to bulb separation body of ball valve according to claim 1, it is characterized in that：Nut lower section, valve rod and valve
Sealing shroud is set between body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710068197.6A CN106704627B (en) | 2017-02-08 | 2017-02-08 | The processing method to bulb separation body of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710068197.6A CN106704627B (en) | 2017-02-08 | 2017-02-08 | The processing method to bulb separation body of ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106704627A true CN106704627A (en) | 2017-05-24 |
| CN106704627B CN106704627B (en) | 2019-03-15 |
Family
ID=58909940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710068197.6A Active CN106704627B (en) | 2017-02-08 | 2017-02-08 | The processing method to bulb separation body of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704627B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171182A (en) * | 2020-08-10 | 2021-01-05 | 浙江卡麦隆阀门有限公司 | Production process of all-welded ball valve |
| WO2023231316A1 (en) * | 2022-06-02 | 2023-12-07 | 上海市轴承技术研究所有限公司 | Super-finishing method for cemented carbide coating of surface of revolution |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3578289A (en) * | 1968-01-30 | 1971-05-11 | Thevignot Ets | Spherical valve plug |
| CN2337362Y (en) * | 1997-12-29 | 1999-09-08 | 凌长彬 | Valve |
| GB2343735A (en) * | 1998-11-16 | 2000-05-17 | Wu Lei Jui | Forged hollow valve ball |
| CN101893111A (en) * | 2009-05-21 | 2010-11-24 | 张雄飞 | Expanding type two-way hard sealed spherical valve |
| CN202118290U (en) * | 2011-05-19 | 2012-01-18 | 张雄飞 | Track type bidirectional hard sealing ball valve |
| CN103133712A (en) * | 2013-03-11 | 2013-06-05 | 大连大洋阀门研究发展有限公司 | Double-wedge type double-ball-clack valve |
| CN105333168A (en) * | 2015-09-16 | 2016-02-17 | 浙江石化阀门有限公司 | Manufacturing method of combined ball clack for high-pressure double-valve-seat track ball valve |
-
2017
- 2017-02-08 CN CN201710068197.6A patent/CN106704627B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3578289A (en) * | 1968-01-30 | 1971-05-11 | Thevignot Ets | Spherical valve plug |
| CN2337362Y (en) * | 1997-12-29 | 1999-09-08 | 凌长彬 | Valve |
| GB2343735A (en) * | 1998-11-16 | 2000-05-17 | Wu Lei Jui | Forged hollow valve ball |
| CN101893111A (en) * | 2009-05-21 | 2010-11-24 | 张雄飞 | Expanding type two-way hard sealed spherical valve |
| CN202118290U (en) * | 2011-05-19 | 2012-01-18 | 张雄飞 | Track type bidirectional hard sealing ball valve |
| CN103133712A (en) * | 2013-03-11 | 2013-06-05 | 大连大洋阀门研究发展有限公司 | Double-wedge type double-ball-clack valve |
| CN105333168A (en) * | 2015-09-16 | 2016-02-17 | 浙江石化阀门有限公司 | Manufacturing method of combined ball clack for high-pressure double-valve-seat track ball valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171182A (en) * | 2020-08-10 | 2021-01-05 | 浙江卡麦隆阀门有限公司 | Production process of all-welded ball valve |
| WO2023231316A1 (en) * | 2022-06-02 | 2023-12-07 | 上海市轴承技术研究所有限公司 | Super-finishing method for cemented carbide coating of surface of revolution |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106704627B (en) | 2019-03-15 |
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