CN104214363A - Single-mouth ball valve and manufacturing process thereof - Google Patents
Single-mouth ball valve and manufacturing process thereof Download PDFInfo
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- CN104214363A CN104214363A CN201410432511.0A CN201410432511A CN104214363A CN 104214363 A CN104214363 A CN 104214363A CN 201410432511 A CN201410432511 A CN 201410432511A CN 104214363 A CN104214363 A CN 104214363A
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- positioning rod
- cold
- valve body
- valve gap
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000004080 punching Methods 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000007493 shaping process Methods 0.000 claims description 23
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- F16K5/08—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/20—Making machine elements valve parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/20—Making machine elements valve parts
- B21K1/24—Making machine elements valve parts valve bodies; valve seats
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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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- 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
Abstract
The invention discloses a single-mouth ball valve and a manufacturing process thereof, belongs to the field of manufacturing of ball valves, and aims to provide a single-mouth ball valve of which the valve body has higher integral strength and longer service life than a valve body manufactured by using the conventional process, and a process for manufacturing the single-mouth ball valve. The technical scheme is characterized in that raw materials are subjected to repeated cold heading-extrusion molding, machine pressing and station punching to mold the single-mouth ball valve, and the ball valve is prevented from being deformed telescopically under the action of gravity, so that a final product with high integral strength and long service life is obtained.
Description
Technical field
The present invention relates to a kind of valve manufacture technique, more particularly, it relates to a kind of single mouth ball valve and manufacturing process thereof.
Background technique
Ball valve is defined as open-shut device (spheroid) and is driven by valve rod, and around the valve that square work ball valve axis rotates.Valve function is control unit in fluid delivery system, has water conservancy diversion, dams, the function such as shunting, and it is little that ball valve has flow resistance, and opening rapidly, is that domestic and international expert generally acknowledges the most rising update product.
Application number be 201310682760.0 Chinese patent disclose a kind of single-seat adjusting valve valve body processing technology, it comprises the steps: that casting, heat treatment, surface treatment, first time Vehicle Processing, second time Vehicle Processing, third time Vehicle Processing, the 4th Vehicle Processing, pincers processing, inspection, franking, working surface are coated with rust preventive oil, then puts in storage.Although this single-seat adjusting valve valve body processing technology can obtain the higher regulation valve body of precision, physical life is higher, but valve body can be caused to there is pore because casting defect own, thus reduces the compactness of foundry goods, cause cast product intensity not high, working life reduces.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide single mouth ball valve that a kind of valve body bulk strength is higher than existing manufacture technics, the life-span is longer.
For achieving the above object, the invention provides following technological scheme: a kind of single mouth ball valve and manufacturing process thereof, comprise cold-heading valve body, cold-heading valve gap and cold-heading positioning rod.
The manufacturing process of cold-heading valve gap, includes following steps:
1) blanking: on cold header, sends into the raw material for the manufacture of valve gap, and processes valve gap blank;
2) pressure ball: the raw material cut off are carried out pressure ball, makes described valve gap blank be spheroidal structure;
3) shaping: to carry out cold-heading shaping to valve gap, cold pier goes out valve gap profile;
4) stretch: stretch to one end of valve gap profile, pier goes out valve gap cavity;
5) succeeding stretch: the other end of valve gap profile is stretched, pier goes out valve gap interface;
6) punching: the valve gap profile obtained through above-mentioned steps is put on piercing die, punching goes out to be positioned at the first attachment hole on described valve gap interface;
7) surface turning: be placed on lathe by having rushed the valve gap profile behind hole, turning goes out flat end face and the valve gap cavity inner plane of the first attachment hole;
8) car outer tooth, inner hole thread: on lathe, turning goes out the internal thread of valve gap cavity and the outside thread of valve gap interface.
The manufacturing process of cold-heading positioning rod, includes following steps:
(1) blanking: in cold header, sends into the raw material for the manufacture of positioning rod, and processes positioning rod blank;
(2) shaping: in cold header, carries out cold-heading squeezing shaping to positioning rod blank, processes positioning rod profile, described positioning rod profile is provided with instruction protruding;
(3) stretch: stretch to positioning rod profile, cold-heading goes out the positioning rod of positioning rod with instruction projection
(4) punching: in piercing die, goes out positioning rod axis hole by the punching of above-mentioned positioning rod profile;
(5) surfacing: on lathe, the two ends of turning positioning rod, process the positioning rod that two ends are smooth;
(6) gastropore: on lathe, carries out car hole machined to positioning rod axis hole, forms a plane boss in positioning rod axis hole position;
(7) ride rank: on lathe, turning is for the connecting rod of the mounting hole adaptation on valve body.
The manufacturing process of cold-heading valve body, includes following steps:
Step one: blanking: on cold header, carries out pressure ball to raw material, and raw material is made spherical blank;
Step 2: shaping: on cold header, carries out shaping to spherical blank, and cold-heading goes out valve body profile, and it is regular to carry out circularity, improves its circularity and precision;
Step 3: macropore stretches: stretch to one end of valve body profile, cold-heading goes out ball valve cavity and is positioned at the locating face in valve body circumference;
Step 4: aperture stretches: stretch to the other end of valve body profile, cold-heading goes out ball valve interface;
Step 5: punching: punching goes out to be positioned at the first attachment hole of ball valve interface end face;
Step 6: surfacing, the anti-skidding step of car: on lathe, goes out flat end face to above-mentioned attachment hole turnery processing, and to get on the bus out anti-skidding step at valve nozzle;
Step 7: boring: in drilling machine, an outerplanar of processing valve body profile, makes it form positioning rod mounting hole;
Step 8: car macropore, screw thread: on lathe, carries out turning to valve body profile one end, processes three sections of valve nozzles, in the valve cavity of the other end, processes internal thread.
The manufacturing process of single mouth ball valve, be threaded by the internal thread of the outside thread on cavity with the ball valve cavity of valve body by described valve gap, described positioning rod and described valve body are assembled together, and described connecting rod is plugged on the mounting hole of valve body, and by being welded and fixed.
The present invention is set to further: described valve gap blank, positioning rod blank and valve body blank are all processed to form valve gap profile through three shapings.
By adopting technique scheme, make all even stable components of the steady quality of valve gap blank, positioning rod blank and valve body blank, hardness.
The present invention is set to further: a kind of single mouth ball valve, comprise valve body, spherical valve core, valve rod, valve gap and positioning rod, described valve body is provided with the mutually through passage of level, be cavity in described valve body, internal thread is provided with in described valve cavity, described valve gap is provided with inner chamber and interface, described interface is provided with outside thread, described internal chamber wall is provided with internal thread, described valve gap is fixedly connected with the internal thread in valve cavity by the outside thread of interface, described spherical valve core is positioned at valve body, described positioning rod is provided with round boss, described round boss is provided with manhole, described valve body side offers the manhole with described round boss adaptation, described valve rod is connected with spherical valve core by positioning rod, described positioning rod is provided with positioning block, described valve body is provided with the locating slot suitable with described positioning block, annular groove is provided with bottom described valve gap interface, rubber ring is provided with in described annular groove.
By adopting technique scheme, positioning rod welds with valve body and passes through coordinating of the positioning block that arranges and locating slot, positioning rod is stuck on the through hole of valve body, in positioning rod Long-Time Service process, positioning block can not make positioning rod rotate by the effect of locating slot, the stability that further bonding mouth ball valve uses, and can be closely cooperated with valve body by the rubber ring arranged on valve gap, increase the frictional force of valve gap and valve body on the one hand, the connection of screw thread is not easily loosened, the sealing of valve gap and valve body joint can be increased on the other hand.
Compared with prior art, the present invention adopts the manufacturing process of cold-heading, the cold-heading carried out repeatedly raw material is extruded, gather swaging and punching station forms, dilatation can not be produced because of gravity, make that purity of steel is high, decarburized layer is little, all even steady quality of hardness, thus make that valve body bulk strength is higher than existing manufacture technics, the life-span is longer.
Accompanying drawing explanation
Fig. 1 is the flow chart of all parts of list mouth ball valve of the present invention and manufacturing process embodiment list mouth ball valve thereof;
Fig. 2 is the valve gap process flow diagram of list mouth ball valve of the present invention and manufacturing process embodiment thereof;
Fig. 3 is the positioning rod process flow diagram of list mouth ball valve of the present invention and manufacturing process embodiment thereof;
Fig. 4 is the valve body process flow diagram of list mouth ball valve of the present invention and manufacturing process embodiment thereof;
Fig. 5 is single mouth ball valve internal structure schematic diagram of list mouth ball valve of the present invention and manufacturing process embodiment thereof;
Fig. 6 is single mouth ball-valve structure schematic diagram of list mouth ball valve of the present invention and manufacturing process embodiment thereof;
Fig. 7 is the valve cover structure schematic diagram of list mouth ball valve of the present invention and manufacturing process embodiment thereof;
Fig. 8 is the positional lever structure schematic diagram of list mouth ball valve of the present invention and manufacturing process embodiment thereof;
Fig. 9 is the valve body structure schematic diagram of list mouth ball valve of the present invention and manufacturing process embodiment thereof.
Reference character: 1, valve body; 11, through hole installed by boss; 12, locating slot; 2, valve gap body; 21, annular groove; 22, interface; 23, rubber ring; 3, positioning rod; 31, round boss; 32, positioning block; 33, manhole; 4, valve rod; 5, spherical valve core.
Embodiment
Referring to figs. 1 through Fig. 9, list mouth ball valve of the present invention and manufacturing process embodiment thereof are described further.
A kind of single mouth ball valve and manufacturing process thereof, comprise cold-heading valve body, cold-heading valve gap and cold-heading positioning rod.
The manufacturing process of cold-heading valve gap, includes following steps:
1) blanking: on cold header, sends into the raw material for the manufacture of valve gap, and processes valve gap blank;
2) pressure ball: the raw material cut off are carried out pressure ball, makes described valve gap blank be spheroidal structure;
3) shaping: to carry out cold-heading shaping to valve gap, cold pier goes out valve gap profile;
4) stretch: stretch to one end of valve gap profile, pier goes out valve gap cavity;
5) succeeding stretch: the other end of valve gap profile is stretched, pier goes out valve gap interface;
6) punching: the valve gap profile obtained through above-mentioned steps is put on piercing die, punching goes out to be positioned at the first attachment hole on described valve gap interface;
7) surface turning: be placed on lathe by having rushed the valve gap profile behind hole, turning goes out flat end face and the valve gap cavity inner plane of the first attachment hole;
8) car outer tooth, inner hole thread: on lathe, turning goes out the internal thread of valve gap cavity and the outside thread of valve gap interface.
The manufacturing process of cold-heading positioning rod, includes following steps:
(1) blanking: in cold header, sends into the raw material for the manufacture of positioning rod, and processes positioning rod blank;
(2) shaping: in cold header, carries out cold-heading squeezing shaping to positioning rod blank, processes positioning rod profile, described positioning rod profile is provided with instruction protruding;
(3) stretch: stretch to positioning rod profile, cold-heading goes out the positioning rod of positioning rod with instruction projection
(4) punching: in piercing die, goes out positioning rod axis hole by the punching of above-mentioned positioning rod profile;
(5) surfacing: on lathe, the two ends of turning positioning rod, process the positioning rod that two ends are smooth;
(6) gastropore: on lathe, carries out car hole machined to positioning rod axis hole, forms a plane boss in positioning rod axis hole position;
(7) ride rank: on lathe, turning is for the connecting rod of the mounting hole adaptation on valve body.
The manufacturing process of cold-heading valve body, includes following steps:
Step one: blanking: on cold header, carries out pressure ball to raw material, and raw material is made spherical blank;
Step 2: shaping: on cold header, carries out shaping to spherical blank, and cold-heading goes out valve body profile, and it is regular to carry out circularity, improves its circularity and precision;
Step 3: macropore stretches: stretch to one end of valve body profile, cold-heading goes out ball valve cavity and is positioned at the locating face in valve body circumference;
Step 4: aperture stretches: stretch to the other end of valve body profile, cold-heading goes out ball valve interface;
Step 5: punching: punching goes out to be positioned at the first attachment hole of ball valve interface end face;
Step 6: surfacing, the anti-skidding step of car: on lathe, goes out flat end face to above-mentioned attachment hole turnery processing, and to get on the bus out anti-skidding step at valve nozzle;
Step 7: boring: in drilling machine, an outerplanar of processing valve body profile, makes it form positioning rod mounting hole;
Step 8: car macropore, screw thread: on lathe, carries out turning to valve body profile one end, processes three sections of valve nozzles, in the valve cavity of the other end, processes internal thread.
The manufacturing process of single mouth ball valve, be threaded by the internal thread of the outside thread on cavity with the ball valve cavity of valve body by described valve gap, described positioning rod and described valve body are assembled together, and described connecting rod is plugged on the mounting hole of valve body, and by being welded and fixed.
Described valve gap blank, positioning rod blank and valve body blank are all processed to form valve gap profile through three shapings, make all even stable components of the steady quality of valve gap blank, positioning rod blank and valve body blank, hardness.
A kind of single mouth ball valve, comprise valve body 1, spherical valve core 5, valve rod 4, valve gap and positioning rod 3, described valve body 1 is provided with the mutually through passage of level, described valve gap comprises valve gap body 2, inner chamber and interface 22, described interface 22 is provided with outside thread, described inner chamber is provided with internal thread, described valve gap is fixedly connected with the internal thread in valve cavity by interface 22 outside thread, described spherical valve core 5 is positioned at valve body 1, described positioning rod 3 is provided with round boss 31, described round boss 31 is provided with manhole 33, described valve body 1 side offers installs through hole 11 with the boss of described round boss 31 adaptation, described valve rod 4 is connected with spherical valve core 5 by positioning rod 3, described positioning rod 3 is provided with positioning block 32, described valve body is provided with the locating slot 12 suitable with described positioning block 32, annular groove 21 is provided with bottom described interface 22, rubber ring 23 is provided with in described annular groove 21, positioning rod 3 welds with valve body 1 and passes through coordinating of the positioning block 32 that arranges and locating slot 12.
In the process that valve rod 5 is long-term and positioning rod 3 collides, because positioning block 32 is embedded in locating slot 12, thus secure positioning rod 3, ensure that its positioning rod 3 can not offset, thus guarantee that the angle that ball valve core 5 rotates is 90 °, the stability that further bonding mouth ball valve uses, and can be closely cooperated with valve body 1 by the rubber ring 23 arranged on valve gap 2, because rubber ring is squeezed when valve gap is connected with valve body screw thread, produce the power of a plastic deformation between valve gap and valve body, increase the frictional force of valve gap 2 and valve body 1 on the one hand, the connection of screw thread is not easily loosened, on the other hand, rubber ring has good sealing, the sealing of valve gap 2 and valve body 3 joint can be increased.
In sum, the present invention adopts the manufacturing process of cold-heading, and the cold-heading carried out repeatedly raw material is extruded, gathers swaging and punching station forms, dilatation can not be produced because of gravity, make that purity of steel is high, decarburized layer is little, all even steady quality of hardness.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technological schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. single mouth ball valve and a manufacturing process thereof, is characterized in that: comprise cold-heading valve body, cold-heading valve gap and cold-heading positioning rod.
2. manufacture a manufacturing process for cold-heading valve gap as claimed in claim 1, include following steps:
1) blanking: on cold header, sends into the raw material for the manufacture of valve gap, and processes valve gap blank;
2) pressure ball: the raw material cut off are carried out pressure ball, makes described valve gap blank be spheroidal structure;
3) shaping: to carry out cold-heading shaping to valve gap, cold pier goes out valve gap profile;
4) stretch: stretch to one end of valve gap profile, pier goes out valve gap cavity;
5) succeeding stretch: the other end of valve gap profile is stretched, pier goes out valve gap interface;
6) punching: the valve gap profile obtained through above-mentioned steps is put on piercing die, punching goes out to be positioned at the first attachment hole on described valve gap interface;
7) surface turning: be placed on lathe by having rushed the valve gap profile behind hole, turning goes out flat end face and the valve gap cavity inner plane of the first attachment hole;
8) car outer tooth, inner hole thread: on lathe, turning goes out the internal thread of valve gap cavity and the outside thread of valve gap interface.
3. the manufacturing technology steps of a kind of cold-heading valve gap according to claim 2, is characterized in that: described valve gap blank is processed to form valve gap profile through three shapings.
4. manufacture a manufacturing process for cold-heading positioning rod as claimed in claim 1, include following steps:
(1) blanking: in cold header, sends into the raw material for the manufacture of positioning rod, and processes positioning rod blank;
(2) shaping: in cold header, carries out cold-heading squeezing shaping to positioning rod blank, processes positioning rod profile, described positioning rod profile is provided with instruction protruding;
(3) stretch: stretch to positioning rod profile, cold-heading goes out the positioning rod of positioning rod with instruction projection
(4) punching: in piercing die, goes out positioning rod axis hole by the punching of above-mentioned positioning rod profile;
(5) surfacing: on lathe, the two ends of turning positioning rod, process the positioning rod that two ends are smooth;
(6) gastropore: on lathe, carries out car hole machined to positioning rod axis hole, forms a plane boss in positioning rod axis hole position;
(7) ride rank: on lathe, turning is for the connecting rod of the mounting hole adaptation on valve body.
5. the manufacturing technology steps of a kind of cold-heading positioning rod according to claim 4, is characterized in that: described positioning rod blank is processed to form positioning rod profile through three shapings.
6. manufacture a manufacturing process for cold-heading valve body as claimed in claim 1, include following steps:
Step one: blanking: on cold header, carries out pressure ball to raw material, and raw material is made spherical blank;
Step 2: shaping: on cold header, carries out shaping to spherical blank, and cold-heading goes out valve body profile, and it is regular to carry out circularity, improves its circularity and precision;
Step 3: macropore stretches: stretch to one end of valve body profile, cold-heading goes out ball valve cavity and is positioned at the locating face in valve body circumference;
Step 4: aperture stretches: stretch to the other end of valve body profile, cold-heading goes out ball valve interface;
Step 5: punching: punching goes out to be positioned at the first attachment hole of ball valve interface end face;
Step 6: surfacing, the anti-skidding step of car: on lathe, goes out flat end face to above-mentioned attachment hole turnery processing, and to get on the bus out anti-skidding step at valve nozzle;
Step 7: boring: in drilling machine, an outerplanar of processing valve body profile, makes it form positioning rod mounting hole;
Step 8: car macropore, screw thread: on lathe, carries out turning to valve body profile one end, processes three sections of valve nozzles, in the valve cavity of the other end, processes internal thread.
7. the manufacturing technology steps of a kind of cold-heading valve body according to claim 6, is characterized in that: described valve body blank is processed to form valve body profile through three shapings.
8. the single mouth ball valve described in a manufacturing claims 1 and manufacturing process thereof, its flow process is as follows: be threaded by the internal thread of the outside thread on cavity with the ball valve cavity of valve body by described valve gap, described positioning rod and described valve body are assembled together, described connecting rod is plugged on the mounting hole of valve body, and by being welded and fixed.
9. the single mouth ball valve of one according to claim 1, it is characterized in that: comprise valve body, spherical valve core, valve rod, valve gap and positioning rod, described valve body is provided with the mutually through passage of level, be cavity in described valve body, internal thread is provided with in described valve cavity, described valve gap is provided with inner chamber and interface, described interface is provided with outside thread, described interface is threaded with valve cavity, described spherical valve core is positioned at valve body, described positioning rod is provided with round boss, described round boss is provided with manhole, described valve body side offers the manhole with described round boss adaptation, described valve rod is fixedly connected with spherical valve core by positioning rod, described round boss is provided with positioning block, described valve body is provided with the locating slot suitable with described positioning block, annular groove is provided with bottom described valve gap interface, rubber ring is provided with in described annular groove.
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| CN201410432511.0A CN104214363B (en) | 2014-08-29 | 2014-08-29 | A kind of single mouth ball valve and manufacturing process thereof |
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| CN201410432511.0A CN104214363B (en) | 2014-08-29 | 2014-08-29 | A kind of single mouth ball valve and manufacturing process thereof |
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| CN104214363B CN104214363B (en) | 2016-06-15 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624891A (en) * | 2015-01-27 | 2015-05-20 | 福鼎市金闽辉机车部件有限公司 | Electronic expansion valve small shaft and cover plate and forming method |
| CN105750849A (en) * | 2016-05-19 | 2016-07-13 | 山西征宇喷灌有限公司 | Spherical quick joint punching forming method |
| CN107662087A (en) * | 2016-03-02 | 2018-02-06 | 戴毅 | The manufacturing process of high-quality valve element |
| CN112045373A (en) * | 2020-09-18 | 2020-12-08 | 项定洪 | Manufacturing process of environment-friendly butterfly valve body and product thereof |
| CN112719201A (en) * | 2020-12-02 | 2021-04-30 | 浙江欧伦泰防火设备有限公司 | Valve forging and pressing process |
| CN114700695A (en) * | 2022-04-13 | 2022-07-05 | 河北茵斯托曼电子科技有限公司 | Stainless steel water meter valve body and machining process thereof |
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| JPS62179839A (en) * | 1986-02-05 | 1987-08-07 | Fuji Valve Kk | Manufacture of engine valve |
| CN102773387A (en) * | 2012-08-16 | 2012-11-14 | 大连大高阀门股份有限公司 | Forging method for flange type ball valve cover |
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Denomination of invention: A single nozzle ball valve and its manufacturing process Effective date of registration: 20231129 Granted publication date: 20160615 Pledgee: Zhejiang Juzhou Commercial Bank Co.,Ltd. Wenzhou Ouhai Branch Pledgor: WENZHOU YANG THAI FASTENERS Co.,Ltd. Registration number: Y2023980068186 |
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