CN1235253A - Manufacture of ball of ball valve - Google Patents
Manufacture of ball of ball valve Download PDFInfo
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- CN1235253A CN1235253A CN 98101791 CN98101791A CN1235253A CN 1235253 A CN1235253 A CN 1235253A CN 98101791 CN98101791 CN 98101791 CN 98101791 A CN98101791 A CN 98101791A CN 1235253 A CN1235253 A CN 1235253A
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- bulb stopper
- manufacturing
- ball valve
- equal
- round hole
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Abstract
A technology for manufacturing the spheraial plug of ball valve includes such technological steps as die-punching a circular pipe to directly obtain a spherial shell with circular holes at both sides, punching said sperical shell to form a clamping slot for valve rod, welding circular tube,whose external diameter is equal to the diameter of said circular hole and whose length is equal to that of flowing channel of the spherical plug, to the circular holes at both sides, correcting its roundness, and polishing its surface. Said spherical plug's advantages includes light weight, low cost, high compression strength and easy manufacture.
Description
The present invention relates to the manufacture method that a kind of common engineering tap or cock field apply to the bulb stopper of ball valve switch, particularly relate to and a kind ofly directly the circular pipe punching out is become both sides to have the global shell of perforate, middle pipe solder bond is made the method for manufacturing bulb stopper of ball valve of the innovation of hollow shape bulb stopper in global shell with die stamping mode.
See also shown in Figure 5ly, the bulb stopper A of ball valve (Ball) is the ball structure that provides a runner A1 at axle center place, and is formed with a clamping groove A2 for valve rod blocking start in the appropriate location of bulb stopper A side face; Because bulb stopper is for provide the ball structure of runner in the axle center, therefore generally generally is to utilize the mode of casting to produce the thick embryo of bulb stopper, passes through pre-shaping steps such as turning processing and polishing again, produces solid bulb stopper structure; But this existing method for manufacturing bulb stopper has the cost of material height, makes defective such as the time-consuming and quality instability of processing trouble, therefore, just that the inventor had before developed was a kind of as Fig. 6～a kind of new method for manufacturing bulb stopper shown in Figure 9.
See also Fig. 6 to shown in Figure 9, it is earlier with the sheet metal 9 of two plane corrosion resistant plates or copper coin etc., strike out episphere housing 90A, the lower semisphere housing 90B of two shape symmetries with die stamping mode, and the punching out simultaneously of episphere housing 90A therein goes out a clamping groove 94; Shown in Fig. 7 and 8, secondly 90B is involutory with episphere housing 90A, lower semisphere housing, and impose solder bond at both seam 96 positions, with the two hemispheres housing is episphere housing 90A, the lower semisphere housing 90B spherical shell that is combined into one, and is combined into a round hole 98 in the semicircle nock 92 of upper and lower hemisphere housing 90A, 90B; The middle pipe 80 of then that a length and external diameter specification is suitable Stainless Steel Tube or copper pipe etc. plugs 98 of round holes that are cross-placed on the spherical shell both sides, and impose solder bond, form the thick embryo of bulb stopper A as shown in Figure 9, again through after circularity rectification and the surface polishing operation, can make the bulb stopper that can properly apply to ball valve at last.
Aforementioned existing method for manufacturing bulb stopper can reach the saving cost of material, simplify many practical effects such as manufacturing process and suitable a large amount of productions, and still this existing method for manufacturing bulb stopper remains following defective is being arranged:
1, manufacture process is simplified inadequately, and the degree of difficulty height:
Aforementioned its spherical shell of existing method for manufacturing bulb stopper is that the hemisphere housing is involutory is welded to form by two, because half and half global shell all must pass through the process step of punch die and edge trimming respectively, welded combination again, manufacturing process is obviously still simplified inadequately, 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 polishing is repaired again, allow the two hemispheres housing can accurate spherical shell to synthetic high circularity, this process considerably bothers and difficulty.
2, structural strength is relatively poor:
Aforementioned its spherical shell of existing method for manufacturing bulb stopper is that the hemisphere housing is involutory is welded to form by two, makes that the structural strength of whole bulb stopper is not ideal enough.
This shows that above-mentioned existing method for manufacturing bulb stopper still has many drawbacks, and the assistant officer waits to be improved.Because the defective that above-mentioned existing method for manufacturing bulb stopper exists, the inventor is based on abundant practical experience and professional knowledge, through constantly studying, design, and after studying sample repeatedly and improving, creates the present invention finally.
Main purpose of the present invention is, overcomes the defective that existing method for manufacturing bulb stopper exists, and a kind of method for manufacturing bulb stopper of new ball valve is provided, and makes its manufacturing that can make bulb stopper more easy fast, and can possess higher quality after the processing.
The objective of the invention is to realize by following technological scheme.The method for manufacturing bulb stopper of a kind of ball valve that proposes according to the present invention, it is characterized in that: with a circular pipe with die stamping mode, directly punching out becomes both sides to have the global shell of round hole, and the side face punching out at this global shell goes out to supply the clamping groove of valve rod blocking, then an external diameter is equal to the round hole bore and equal in length is managed in the circle of bulb stopper flow channel length, be fixedly welded between the round hole of global shell both sides, through after circularity rectification and the surface polishing finishing processing, make the bulb stopper that constitutes a kind of inner hollow again.
Purpose of the present invention can also further realize by following technical measures.
The method for manufacturing bulb stopper of aforesaid ball valve, its bore of wherein said circular pipe is equal to the external diameter of bulb stopper, and length is 1.1 times of the bulb stopper flow channel length.
The method for manufacturing bulb stopper of aforesaid ball valve, wherein said circular pipe be with two can be involutory shaping die, directly punching out is compressed into the global shell that both sides have round hole.
The method for manufacturing bulb stopper of aforesaid ball valve, wherein said two shaping dies form the hemisphere die cavity that the specification kenel is equal to bulb stopper Zhou Jing relatively, and the central position of die cavity is provided with the module that a week directly approximates bulb stopper runner bore.
The present invention compared with prior art has tangible advantage and good effect.By above technological scheme as can be known, the present invention is a kind of method for manufacturing bulb stopper that applies to ball valve, it is directly with die stamping mode, become both sides to have the global shell of round hole one circular pipe punching out, manage in again that a specification is the suitable circle, welding is fixedly arranged between the round hole of global shell both sides, cooperates out of roughness to correct and the surface polishing finishing then, makes a kind of bulb stopper of inner hollow.The present invention is using in the enforcement, has following advantage at least:
1, manufacturing is easy fast:
The present invention is directly with the mould global shell that the circular pipe punching out is into a single integrated structure, as long as middle pipe is welded in global shell, and cutting down in addition, just can the easy manufacturing of finishing whole bulb stopper apace, not only Zheng Ti manufacturing is quick, with low cost, and the degree of difficulty of processing is extremely low, reaches effectively in mass-produced mode and makes bulb stopper, dark tool industrial utilization.
2, structural strength is good and can reduce cost of material:
In sum, the present invention constitutes a kind of bulb stopper of hollow shape with pipe in the global shell collocation, can effectively alleviate the weight of bulb stopper, reduce the cost of material that has traditional solid bulb stopper method for making now, and the bulb stopper of integral type hollow-core construction of the present invention structure can produce good resistance to compression effect, effectively solves the shortcoming of aforementioned involutory welding type bulb stopper structural strength deficiency, the present invention can make the manufacturing of bulb stopper more easy fast, and can possess after the processing higher quality is arranged.No matter it is all having bigger improvement on manufacture method of bulb stopper, on the structure or on the function, and have large improvement technically, and produced handy and practical effect, and have the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Concrete structure of the present invention is provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is the present invention carries out stamping press to circular pipe with mould a processing schematic representation.
Fig. 2 is the present invention goes out clamping groove in the global shell punching out a processing schematic representation.
Fig. 3 is the processing schematic representation that the present invention is welded in middle pipe global shell.
Fig. 4 is the structural perspective of manufactured good of the present invention before the finishing polishing.
Fig. 5 is the bulb stopper stereoscopic figure of ball valve.
Fig. 6 is in existing traditional bulb stopper recipe, flat sheet is struck out the processing schematic representation of hemisphere housing.
Fig. 7 is in existing traditional bulb stopper recipe, with the processing schematic representation of the involutory welding of two hemispheres housing.
Fig. 8 is in existing traditional bulb stopper recipe, middle pipe is welded in the processing schematic representation of global shell.
Fig. 9 is the structure stereoscopic figure that has the manufactured good of traditional bulb stopper method for making now.
Below in conjunction with accompanying drawing and preferred embodiment, its concrete structure of method for manufacturing bulb stopper, feature and the effect thereof of the ball valve that foundation the present invention is proposed, describe in detail as after.
See also Fig. 1, shown in Figure 2, the method for manufacturing bulb stopper of ball valve of the present invention, be a kind of innovation manufacture method that applies to the bulb stopper of ball valve, it at first is to choose the suitable circular pipe 1 of a specification kenel, this circular pipe 1 can be metal pipes such as Stainless Steel Tube or copper pipe, its bore can be adjusted according to the different of material and thickness slightly with pipe range, as long as can allow circular pipe 1 strike out the global shell 10 that both sides have round hole 12, generally can take the bore of circular pipe 1 to be equal to the external diameter of bulb stopper approximately, and the length of circular pipe 1 is about 1.1 times of the bulb stopper flow channel length;
With circular pipe 1 place two can be involutory shaping die 50 between, utilize hydraulic press to carry out punch die processing, with circular pipe 1 from openings at two ends in addition punching press shrink, make the global shell 10 that both sides have round hole 12, and at the side face suitable position of global shell 10, punching out goes out one and plugs the clamping groove 14 of blocking for valve rod; Wherein, aforesaid two moulds 50 form the hemisphere die cavity 52 that the specification kenel is equal to bulb stopper Zhou Jing relatively, and the central position of this die cavity 52 is provided with the module 54 that a week directly equates or be slightly larger than bulb stopper runner bore, allow the circular pipe 11 of global shell 10 in the process of shaping die 50 punching presses, its pipe face can produce contraction deformation, the global shell 10 that circular pipe 1 punching out is into a single integrated structure along the spherical cambered surface 56 of die cavity 52;
Please consult Fig. 3 again, shown in Figure 4, then an external diameter is equal to round hole 12 bores and equal in length manages 20 in the circle of bulb stopper flow channel length, driving fit plugs between the round hole 12 that is cross-placed on global shell 10 both sides, and utilize high frequency (high frequency) welding machine to impose welding processing, pipe 20 in the circle is fixedly welded on round hole 12 places of global shell 10, and constitute as shown in Figure 4 the thick embryo of bulb stopper, at last through after circularity rectification and the surface polishing finishing processing, promptly can be aforementioned easy and method fast, produce bulb stopper 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 did.
Claims (4)
1, a kind of method for manufacturing bulb stopper of ball valve is characterized in that:
With a circular pipe with die stamping mode, directly punching out becomes both sides to have the global shell of round hole, and the side face punching out at this global shell goes out to supply the clamping groove of valve rod blocking, then an external diameter is equal to the round hole bore and equal in length is managed in the circle of bulb stopper flow channel length, be fixedly welded between the round hole of global shell both sides, through after circularity rectification and the surface polishing finishing processing, make the bulb stopper that constitutes a kind of inner hollow again.
2, the method for manufacturing bulb stopper of ball valve according to claim 1 it is characterized in that its bore of described circular pipe is equal to the external diameter of bulb stopper, and length is 1.1 times of the bulb stopper flow channel length.
3, the method for manufacturing bulb stopper of ball valve according to claim 1 and 2, it is characterized in that described circular pipe be with two can be involutory shaping die, directly punching out is compressed into the global shell that both sides have round hole.
4, the method for manufacturing bulb stopper of ball valve according to claim 3, it is characterized in that described two shaping dies form the hemisphere die cavity that the specification kenel is equal to bulb stopper Zhou Jing relatively, and the central position of die cavity is provided with the module that a week directly approximates bulb stopper runner bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98101791A CN1097687C (en) | 1998-05-08 | 1998-05-08 | Manufacture of ball of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98101791A CN1097687C (en) | 1998-05-08 | 1998-05-08 | Manufacture of ball of ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1235253A true CN1235253A (en) | 1999-11-17 |
| CN1097687C CN1097687C (en) | 2003-01-01 |
Family
ID=5216935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98101791A Expired - Fee Related CN1097687C (en) | 1998-05-08 | 1998-05-08 | Manufacture of ball of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1097687C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107564C (en) * | 2000-07-31 | 2003-05-07 | 吴乐瑞 | Technology for manufacturing non-turble ball spigot without welding |
| CN100374763C (en) * | 2001-09-19 | 2008-03-12 | 许铁城 | Preparation method of valve ball piston |
| CN105478558A (en) * | 2015-12-22 | 2016-04-13 | 四川省内江巨星水暖气五金器材厂 | Ball valve punch forming method and device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS626729A (en) * | 1985-07-04 | 1987-01-13 | Aida Eng Ltd | Manufacture of ball for valve |
| JPS62251579A (en) * | 1986-04-24 | 1987-11-02 | Nippon Baruji Kogyo Kk | Manufacture of ball valve |
| JP3113180B2 (en) * | 1995-08-16 | 2000-11-27 | 株式会社幸伸技研 | Valve element for ball valve and method of manufacturing valve element |
-
1998
- 1998-05-08 CN CN98101791A patent/CN1097687C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107564C (en) * | 2000-07-31 | 2003-05-07 | 吴乐瑞 | Technology for manufacturing non-turble ball spigot without welding |
| CN100374763C (en) * | 2001-09-19 | 2008-03-12 | 许铁城 | Preparation method of valve ball piston |
| CN105478558A (en) * | 2015-12-22 | 2016-04-13 | 四川省内江巨星水暖气五金器材厂 | Ball valve punch forming method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1097687C (en) | 2003-01-01 |
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