CN103317309A - Ball manufacturing method of ball valve - Google Patents
Ball manufacturing method of ball valve Download PDFInfo
- Publication number
- CN103317309A CN103317309A CN2013102576482A CN201310257648A CN103317309A CN 103317309 A CN103317309 A CN 103317309A CN 2013102576482 A CN2013102576482 A CN 2013102576482A CN 201310257648 A CN201310257648 A CN 201310257648A CN 103317309 A CN103317309 A CN 103317309A
- Authority
- CN
- China
- Prior art keywords
- ball
- spheroid
- circular pipe
- ball valve
- global shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Forging (AREA)
Abstract
The invention relates to a ball manufacturing method of a ball valve. The ball manufacturing method includes manufacturing a ball shell body on the middle portion of a circular steel tube in a hydraulic bulge forming manner and a clamping groove on the circumference of the ball shell body for a valve stem to be clamped; cutting off straight pipe sections on two sides of the ball shell body to form circular openings; welding and fixing a circular tube with the outer diameter being the same as the ball shell body in circular hole diameter and the length being the same as a ball body in flow channel length between the circular openings on two sides of the ball shell body; subjecting the ball shell body to roundness correction and surface polishing and finishing processing to form a hollow ball. The ball manufacturing method of the ball valve has the advantages of simple and rapid manufacturing and low cost, and the ball of the ball valve is good in quality.
Description
Affiliated technical field
The present invention relates to apply to the manufacture method of the spheroid of ball valve switch, especially relate to a kind of manufacture method of making the hollow form spheroid take metal pipe material as blank.
Background technology
Spheroid is the opening and closing element of ball valve, claims again ball core, bulb stopper, ball, and spheroid is done the effect that rotation reaches unlatching, closes ball valve around the axis of valve rod.The material of existing common spheroid is stainless steel and brass, generally is that the mode of utilizing casting, forging produces the crude green body of spheroid, or directly uses bar, through pre-shaping steps such as turning processing and polishings, produces solid sphere structure; But this existing spheroid manufacture method has material cost high, makes the defectives such as the time-consuming and quality of processing trouble is unstable.
A kind of solder type hollow form spheroid of being made by corrosion resistant plate or copper coin has appearred on the existing market, it is first with the sheet metal of two plane corrosion resistant plates or copper coin etc., strike out the episphere housing of two shape symmetries with die stamping mode, the lower semisphere housing, and episphere housing upper punch is therein made a valve rod clamping groove, secondly with the episphere housing, the lower semisphere housing is involutory, and impose welding in both seam areas, be the episphere housing with the two hemispheres housing, the lower semisphere housing spherical shell that is combined into one, and upper, the semicircle nock of lower semisphere housing is combined into a round hole, then a length and suitable stainless steel tube or the copper pipe of external diameter specification are plugged between the round hole that is cross-placed on the spherical shell both sides, and impose welding, form the spheroid crude green body, again through after circularity rectification and the surface grinding operation, can make the spheroid that can properly apply to ball valve at last.
Above-described spheroid manufacture method by sheet material punching welding can reach the saving material cost, simplifies many practical effects such as manufacturing process and suitable a large amount of productions, and still, this described spheroid manufacture method remains in following defective:
Manufacture process is simplified not, and manufacture difficulty is higher: aforementioned described spheroid manufacture method, its spherical shell is by two involutory being welded to form of Loadings On Hemispherical Shell, because each Loadings On Hemispherical Shell all must pass through respectively the procedure of processing of punch die and edge trimming, welded again combination, manufacturing process obviously simplifies not enough, particularly the edge of two hemispheres housing to be cut just and be set as positive hemisphere shelly, the processing that process circularity is corrected and surface grinding is repaired again, allow the two hemispheres housing can accurate spherical shell to synthetic high circularity, this process considerably bothers and difficulty.
Summary of the invention
The object of the invention is to, overcome the defective that above existing spheroid manufacture method exists, and a kind of spheroid manufacture method of new ball valve is provided, make its manufacturing that can make spheroid more easy, cost is low, and quality is good.
The objective of the invention is to be realized by following technical scheme.The spheroid manufacture method of a kind of ball valve that proposes according to the present invention, its with a circular pipe with the hydraulic expanding-forming forming mode, directly be pressed into a global shell at the circular pipe middle part, the internal diameter of this circular pipe is not more than the runner mouth diameter that spheroid is provided with at the place, axle center, then the side face at global shell forms the clamping groove that supplies the valve rod blocking, through after circularity rectification and surface grinding finishing processing place, prescind straight tube end, both sides and make round hole again, make the spheroid that consists of a kind of inner hollow.
Preferably, the spheroid manufacture method of described a kind of ball valve, the mould of its described hydraulic expanding-forming forming mode is mould symmetrical about the inner chamber and can be involutory, behind the matched moulds, two ends die cavity internal diameter is equal to the circular pipe external diameter, and middle formation specification kenel is equal to the spherical die cavity of spheroid Zhou Jing.
Preferably, the spheroid manufacture method of described a kind of ball valve, its described global shell is managed in solder bond one circle between the round hole of both sides, and the external diameter of pipe is equal to the round hole bore of this global shell in this circle, and equal in length is in the flow channel length of spheroid.
The present invention compared with prior art has obvious advantage and good effect.By above technical scheme as can be known, the present invention is a kind of spheroid manufacture method that applies to ball valve, has advantages of at least as follows:
1. make easy to be quick: the present invention directly is shaped as the circular pipe swelling pressure with mould the global shell of integrative-structure, as long as middle pipe is welded in global shell, and cutting down in addition, just can the easy processing and manufacturing of finishing rapidly whole spheroid, not only whole manufacturing is quick, cost is low, and the difficulty of processing is low, can effectively reach with mass production method and make spheroid.
2. reduction material cost: the present invention constitutes a kind of spheroid of hollow form with pipe in the global shell collocation, can effectively alleviate the weight of spheroid, reduces the material cost that has traditional solid sphere method for making now.
Description of drawings
Fig. 1 is the machining sketch chart that circular pipe is carried out the swelling pressure forming operation with mould of the present invention;
Fig. 2 is the stereoscopic figure of tubing global shell blank after swelling pressure is shaped;
Fig. 3 is the present invention makes clamping groove at the spherical shell body machining sketch chart;
Fig. 4 prescinds the stereoscopic figure that global shell is made in straight tube end, both sides among Fig. 3;
Fig. 5 is the machining sketch chart that the present invention is welded in middle pipe global shell;
Fig. 6 is the spheroid stereoscopic figure of ball valve;
The specific embodiment
Concrete structure of the present invention is provided in detail by following examples and accompanying drawing thereof.Below in conjunction with accompanying drawing and preferred embodiment, its concrete structure of spheroid manufacture method, feature and the effect thereof of the ball valve that foundation the present invention is proposed are described in detail as follows.
As shown in Figure 1, be the machining sketch chart that circular pipe is carried out the swelling pressure forming operation with mould of the present invention, this operation is carried out at the water swelling pressing formation equipment of standard, its mould is made of patrix 201 and counterdie 202, and mould is that inner chamber is symmetrical up and down, behind patrix 201 and counterdie 202 matched moulds, two ends die cavity internal diameter is equal to circular pipe 1 external diameter, and middle formation specification kenel is equal to the spherical die cavity 203 of spheroid Zhou Jing.
At first be to choose the suitable circular pipe 1 of a specification kenel, this circular pipe 1 can be the metal pipe materials such as stainless steel tube or copper pipe, its bore can be adjusted according to the different of material and thickness from pipe range, but the internal diameter of circular pipe 1 must not be greater than global shell 10 runner mouth sizes, and the length of circular pipe 1 is about 1.6 times of radius of a ball length.
Circular pipe 1 is put into the die cavity of counterdie 202, then patrix 201 and counterdie 202 matched moulds, patrix 201 links with master cylinder on the standard water swelling pressure former, can produce an enough large constant locked mode pressure F behind the matched moulds; Left mouthful of end at mould has a thimble 30, right mouthful of end has a thimble 40, thimble 30 centers are with liquid-through hole 301, thimble 30, thimble 40 respectively with standard water swelling pressure former on a left side, the right side oil cylinder links, thimble 30 centers with liquid-through hole 301 link with flood pattern on the swelling pressure former, thimble 30, the end of thimble 40 respectively with the internal diameter phase interference fit of circular pipe 1, thimble 30, thimble 40 can be on standard water swelling pressure former a left side, the propulsive force f effect of right side oil cylinder is lower, thimble 30, the end of thimble 40 respectively with the internal diameter phase interference fit of circular pipe 1 after, and to 1 liang of complete shutoff of the mouth of pipe of circular pipe.Through test as can be known, when counterdie 201 and counterdie 202 matched moulds, what surrounded by upper and lower mould is 0.01～0.05mm in order to the suitable gap of the two ends circular mold cavity that holds circular pipe fitting 1 and circular pipe fitting 1 profile, conveniently like this places the finished product that circular pipe 1 and the swelling pressure system of extraction are finished.
The technical process that its swelling pressure is shaped is as follows:
1) matched moulds.Put into circular pipe 1 on counterdie 202, patrix 201 moves down and closes up with counterdie 202, and circular pipe 1 is clamped in the formed cavity volume of upper and lower mould.Master cylinder also provides coupling mechanism force to patrix 201, and makes patrix and the pressurize of counterdie matched moulds.
2) the side cylinder advances, and left and right thimble is inserted circular pipe 1 two-port in the upper and lower mould die cavity, and flood pattern is passed through the liquid-through hole 301 at thimble 30 centers to circular pipe 1 interior notes water at atmospheric pressure.Finish the filling of extrusion medium and the air in the emptying circular pipe 1.
3) the both sides thimble continues to insert circular pipe 1 two-port inner chamber, when at desired location, the pressurized cylinder work of flood pattern, circular pipe 1 inner chamber hydraulic pressure is increased, circular pipe 1 is slight bulging under Water Pressure, and makes the urgent thimble 30 of circular pipe 1 two ends oral area, thimble 40 inject end outer wall formation sealing.The high pressure pressure of circular pipe 1 inner chamber hydraulic pressure in 30～200MPa scope, preferred 60～160MPa.
4) side cylinder in both sides continues to advance, promote both sides thimble step and be resisted against circular pipe 1 two-port, and continue jointly to compel to force circular pipe 1 metal charge to put off to spherical die cavity 203 to the extruding of pars intermedia direction with the water under high pressure liquid of circular pipe 1 inner chamber, be shaped until finish swelling pressure.
5) pressurized cylinder quits work, and flood pattern is annotated water at atmospheric pressure to circular pipe 1 inner chamber, and the release of side cylinder makes thimble 30, thimble 30 rollbacks, and upper die and lower die separately take out finished product.
Fig. 2 finishes the spheroid blank 1a that swelling pressure is shaped.Have the global shell 10 of hollow form in the middle of the blank 1a, there is a cylinder straight sections 11 at two ends.At the side face suitable position of global shell 10, process the clamping groove 12 that a confession valve rod plugs blocking, as shown in Figure 3.Then prescind straight tube end, both sides 11, make round hole 13, make the global shell 10 that consists of a kind of inner hollow as shown in Figure 4.
Please consult again Fig. 5, shown in Figure 6, then an external diameter is equal to round hole 13 bores and equal in length manages 40 in the circle of spheroid flow channel length, driving fit plugs between the round hole 13 that is cross-placed on global shell 10 both sides, and utilize high frequency (high frequency) bonding machine to impose welding processing, pipe 40 in the circle is fixedly welded on round hole 13 places of global shell 10.And constitute as shown in Figure 6 spheroid made-up article, finally by crossing that circularity is corrected and after the surface grinding finishing processes, namely can be aforementioned easy and method fast, produce spheroid finished product best in quality and robust.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does.
Claims (3)
1. the spheroid manufacture method of a ball valve is characterized in that:
With a circular pipe with the hydraulic expanding-forming forming mode, directly be pressed into a global shell at the circular pipe middle part, the internal diameter of this circular pipe is not more than the runner mouth diameter that spheroid is provided with at the place, axle center, then the side face at global shell forms the clamping groove that supplies the valve rod blocking, again through after circularity rectification and surface grinding finishing processing place, prescind straight tube end, both sides and make round hole, make the spheroid that consists of a kind of inner hollow.
2. the spheroid manufacture method of a kind of ball valve according to claim 1, the mould that it is characterized in that described hydraulic expanding-forming forming mode is mould symmetrical about the inner chamber and can be involutory, behind the matched moulds, two ends die cavity internal diameter is equal to the circular pipe external diameter, and middle formation specification kenel is equal to the spherical die cavity of global shell Zhou Jing.
3. the spheroid manufacture method of a kind of ball valve according to claim 1 and 2, it is characterized in that described global shell manages in solder bond one circle between the round hole of both sides, the external diameter of pipe is equal to the round hole bore of this global shell in this circle, and equal in length is in the flow channel length of spheroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102576482A CN103317309A (en) | 2013-06-13 | 2013-06-13 | Ball manufacturing method of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102576482A CN103317309A (en) | 2013-06-13 | 2013-06-13 | Ball manufacturing method of ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103317309A true CN103317309A (en) | 2013-09-25 |
Family
ID=49186512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102576482A Pending CN103317309A (en) | 2013-06-13 | 2013-06-13 | Ball manufacturing method of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103317309A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029358A (en) * | 2021-09-22 | 2022-02-11 | 北京航星机器制造有限公司 | Method for manufacturing titanium alloy thin-wall cylinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046107A (en) * | 1989-04-07 | 1990-10-17 | 王传信 | Universal valve, tube-fitting expansion pressure forming process |
| CN2524027Y (en) * | 2001-12-12 | 2002-12-04 | 黄鸿昌 | Improved ball plug of ball valve |
| EP1239122B1 (en) * | 2001-02-28 | 2004-06-16 | BÖHLERIT G.m.b.H. & Co. KG | Hollow shaft with wear resistant parts and method for producing such a shaft |
| CN1530189A (en) * | 2003-03-13 | 2004-09-22 | 钰捷工业股份有限公司 | Aluminium-alloy pipe shaping method |
| CN101234464A (en) * | 2008-01-22 | 2008-08-06 | 西安交通大学 | Ball valve core hydraulic expansion method |
| CN101450441A (en) * | 2008-12-31 | 2009-06-10 | 南京航空航天大学 | Cold forming processing method of inclined tee joint |
-
2013
- 2013-06-13 CN CN2013102576482A patent/CN103317309A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046107A (en) * | 1989-04-07 | 1990-10-17 | 王传信 | Universal valve, tube-fitting expansion pressure forming process |
| EP1239122B1 (en) * | 2001-02-28 | 2004-06-16 | BÖHLERIT G.m.b.H. & Co. KG | Hollow shaft with wear resistant parts and method for producing such a shaft |
| CN2524027Y (en) * | 2001-12-12 | 2002-12-04 | 黄鸿昌 | Improved ball plug of ball valve |
| CN1530189A (en) * | 2003-03-13 | 2004-09-22 | 钰捷工业股份有限公司 | Aluminium-alloy pipe shaping method |
| CN101234464A (en) * | 2008-01-22 | 2008-08-06 | 西安交通大学 | Ball valve core hydraulic expansion method |
| CN101450441A (en) * | 2008-12-31 | 2009-06-10 | 南京航空航天大学 | Cold forming processing method of inclined tee joint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029358A (en) * | 2021-09-22 | 2022-02-11 | 北京航星机器制造有限公司 | Method for manufacturing titanium alloy thin-wall cylinder |
| CN114029358B (en) * | 2021-09-22 | 2024-04-05 | 北京航星机器制造有限公司 | Manufacturing method of titanium alloy thin-wall cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102581051B (en) | Cold extrusion forming method for lute hole of axle housing of automobile drive axle and pressing die forming machine tool | |
| CN103537509B (en) | A kind of large-scale multi-nozzle pipeline thermal extrusion forming process is formulated and die design method | |
| CN103331575B (en) | A kind of moulding process of two-way tubular boss wheel hub | |
| CN103962406B (en) | A kind of divergent die shaping pipe squeezes swollen assembling die | |
| CN201295718Y (en) | Radial pressing and bulging device for pipes | |
| CN112705577A (en) | One-time forming method for valve body and valve pipe of ball valve | |
| CN202316740U (en) | Axle case lute hole stamping and forming machine tool for car drive axle | |
| CN101337316A (en) | Production technique of ball valve core | |
| CN107695218A (en) | A kind of pipe double-turnup building mortion and its method | |
| CN103691796A (en) | Large internal high-pressure forming die | |
| CN106424180A (en) | Extruding device and method for double-mouth and thick-wall pipe blank extrusion manufacturing | |
| CN103317309A (en) | Ball manufacturing method of ball valve | |
| CN205270795U (en) | A nodular cast -iron pipe mould for casting typefounding has been worn to female end | |
| CN108723194B (en) | A kind of forming device and method of complexity inside and outside wall cylindrical member | |
| CN202028628U (en) | Extruding composite forming device for bimetal pipe | |
| CN102107229B (en) | Method and device for molding small-angle bent pipe fitting by taking different curved surfaces as extrusion surfaces | |
| CN205949600U (en) | Double bend compound shaper that expands of passing through many hands or places of upsetting side by side | |
| CN203156017U (en) | Low-pressure casting aluminum alloy cylinder cover high-pressure oil duct pre-casting structure | |
| CN204657371U (en) | Coaxial convergent tube coupling forging die | |
| CN105033135B (en) | A kind of cold-heading molding method of high-pressure oil pipe joint | |
| CN204470428U (en) | Automobile ball head ball welding bell tool | |
| CN105081046B (en) | Hydroforming flexible seal device | |
| CN104475454B (en) | For interior frock of establishing high annular boss ring forging to forge | |
| CN108568459A (en) | A kind of cold extrusion method of spiral bevel gear | |
| CN105921586A (en) | Side-by-side double-branch-pipe upsetting, rolling and expanding composite forming device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130925 |