CN107717203B - Labyrinth type pressure reducing valve plate, valve plate machining die and valve plate manufacturing method - Google Patents
Labyrinth type pressure reducing valve plate, valve plate machining die and valve plate manufacturing method Download PDFInfo
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- CN107717203B CN107717203B CN201711166350.5A CN201711166350A CN107717203B CN 107717203 B CN107717203 B CN 107717203B CN 201711166350 A CN201711166350 A CN 201711166350A CN 107717203 B CN107717203 B CN 107717203B
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- valve plate
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- pressure reducing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Abstract
The invention discloses a labyrinth type pressure reducing valve plate, a valve plate processing die and a valve plate manufacturing method, belongs to valve plates, and aims to solve the technical problems of improving the processing precision of the valve plate and the pressure reducing effect of a pressure reducing valve by changing the structure of the valve plate, ensuring low processing cost and good pressure reducing effect, and adopting the technical scheme that: (1) a labyrinth type pressure reducing valve plate comprises a valve plate main body portion and a valve plate mounting hole formed in the middle of the valve plate main body portion, wherein a plurality of first valve plate protruding portions and second valve plate protruding portions are formed in the valve plate main body portion. (2) The utility model provides a mould is used in processing of labyrinth relief pressure valve block, includes mould main part and mould location portion, is provided with a plurality of mould bellyings between mould main part and the mould location portion, is equipped with mould concave part one between two adjacent mould bellyings and is equipped with mould concave part two on the mould bellyings. The invention also discloses a manufacturing method of the labyrinth type pressure reducing valve plate.
Description
Technical Field
The invention relates to a valve plate, in particular to a labyrinth type pressure reducing valve plate, a valve plate processing die and a valve plate manufacturing method.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure through regulation and leads the outlet pressure to be automatically kept stable by relying on the energy of the medium. From the viewpoint of hydrodynamics, the pressure reducing valve is a throttling element with variable local resistance, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area to cause different pressure losses, thereby achieving the purpose of pressure reduction. Then, the fluctuation of the pressure behind the valve is balanced with the spring force by means of the adjustment of the control and adjustment system, so that the pressure behind the valve is kept constant within a certain error range. A valve element is a valve part by means of which the valve body performs the basic function of direction control, pressure control or flow control by means of its movement. The valve core is composed of valve plates. The valve plate is a device for controlling the liquid to pass through so as to reduce the pressure of the liquid or change the flow rate and the flow direction of the liquid.
The existing liquid pressure reducing valve mostly adopts pipeline bending or additionally provided with a pressure reducing valve and the like to carry out pressure reduction treatment, but the pressure reducing effect is not ideal and the cost is higher. How can improve the machining precision of valve block through the structure that changes the valve block so, improve the decompression effect of relief pressure valve, guarantee simultaneously that the processing cost is low, decompression effect is good is the technical problem that needs to solve at present badly.
Disclosure of Invention
The invention provides a labyrinth type pressure reducing valve plate, a valve plate processing mold and a valve plate manufacturing method, and aims to solve the problems that the valve plate processing precision can be improved and the pressure reducing effect of a pressure reducing valve can be improved by changing the structure of the valve plate, and meanwhile, the processing cost is low and the pressure reducing effect is good.
The technical task of the invention is realized in the following way, the labyrinth type pressure reducing valve plate comprises a valve plate main body part and a valve plate mounting hole arranged in the middle of the valve plate main body part, a plurality of first valve plate bulges and second valve plate bulges are arranged on the valve plate main body part, the first valve plate bulges and the second valve plate bulges are arranged along the circumference of the valve plate main body part, and the first valve plate bulges and the second valve plate bulges are arranged at intervals.
Preferably, 4-8 valve plate protruding parts are arranged on the first valve plate protruding part and the second valve plate protruding part, and 8 are preferably arranged on the first valve plate protruding part and the second valve plate protruding part.
Preferably, the first valve plate protruding portion is in a shape of a human body, the bent portion of the first human-shaped valve plate protruding portion is a right angle, and the bent portion is an included angle of 90 degrees, so that the flow choking effect can be improved.
Preferably, the second valve plate bulge part is in a shape like a Chinese character feng, the bent part of the second valve plate bulge part in the shape like the Chinese character feng is a right angle, and the bent part is an included angle of 90 degrees, so that the flow choking effect can be improved.
The labyrinth pressure reducing valve plate processing die comprises a die main body part and a die positioning part, wherein the die main body part and the die positioning part are arranged concentrically, a plurality of die protruding parts are arranged between the die main body part and the die positioning part, a first die groove part is arranged between every two adjacent die protruding parts, and a second die groove part is arranged on each die protruding part.
Preferably, the mould raised portions are arranged along the circumference of the mould body and the number of mould raised portions is 4-8, preferably 8.
Preferably, the number of the first mold groove portion and the number of the second mold groove portion are respectively 4-8, preferably 8.
Preferably, the mold bulge is in a shape like a Chinese character feng, and a bent part of the mold bulge in the shape like the Chinese character feng is a right angle.
Preferably, the first groove part of the mold is in a shape of a human body, and a bent part of the first groove part of the human-shaped mold is a right angle; the second mold groove part is shaped like a Chinese character feng, and the bent part of the second mold groove part is a right angle.
The manufacturing method of the labyrinth type pressure reducing valve plate comprises the following steps:
(1) The valve block main body part is in sleeve connection with the mold positioning part through a valve block mounting hole and is clamped in the mold main body part;
(2) Placing a first valve plate protruding part and a second valve plate protruding part in the first mold groove part and the second mold groove part;
(3) The first valve plate bulge and the second valve plate bulge are positioned on the valve plate main body part through the valve plate die, the first valve plate bulge, the second valve plate bulge and the valve plate main body part are tightly attached into a whole through a diffusion welding process, the fact that the bent parts of the first valve plate bulge and the second valve plate bulge are right angles is achieved, and the flow choking effect is improved.
Compared with the prior art, the labyrinth type pressure reducing valve plate, the valve plate processing die and the valve plate manufacturing method have the following advantages:
according to the invention, the valve plate is designed into the labyrinth valve plate through the first bulge part of the human-shaped valve plate and the second bulge part of the Chinese character feng-shaped valve plate, and gradual pressure reduction is realized according to the Bernoulli equation, so that the service life of the pressure reducing valve is prolonged, the machining precision of the valve plate is improved, and the machining precision of the pressure reducing valve is further improved;
the valve block main body part, the first valve block bulge part and the second valve block bulge part are tightly combined into a whole through a diffusion welding process, and the bent parts of the first valve block bulge part and the second valve block bulge part are right-angled, so that the flow resisting effect is greatly improved, the strength of the valve block is improved, the service life and the corrosion resistance of the valve block are increased, the traditional pressure reducing design and manufacturing process are changed, the manufacturing cost and the processing difficulty of the valve block are reduced, and the adjusting precision of the pressure reducing valve is improved;
the valve block main body part is clamped in the valve block die main body part, so that the valve block main body part is positioned, the first valve block bulge part and the second valve block bulge part can be accurately and quickly aligned on the valve block main body part, diffusion welding is completed, the first valve block bulge part and the second valve block bulge part are tightly combined with the valve block main body part into a whole, the valve block machining efficiency and machining precision are greatly improved, the problem that the first valve block bulge part and the second valve block bulge part are difficult to position is solved, and the machining cost and the machining difficulty are saved.
Therefore, the invention has the characteristics of reasonable design, simple structure, easy processing, small volume, convenient use, multiple purposes and the like, thereby having good popularization and use values.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a valve plate of a labyrinth pressure reducing valve;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
FIG. 3 is a schematic structural view of a mold for processing a valve plate of a labyrinth type pressure reducing valve;
fig. 4 is a schematic view of the structure of fig. 3 from another angle.
In the figure: 1. valve block main part, 2, valve block mounting hole, 3, valve block bellying one, 4, valve block bellying two, 5, mould main part, 6, mould location portion, 7, mould bellying, 8, mould concave part one, 9, mould concave part two, 10, kink.
Detailed Description
The valve plate of the labyrinth type pressure reducing valve, the valve plate processing mold and the valve plate manufacturing method of the invention are explained in detail below with reference to the attached drawings and the specific embodiments of the specification.
Example 1:
as shown in the attached drawings 1 and 2, the labyrinth type pressure reducing valve plate mainly comprises a valve plate main body portion 1 and a valve plate mounting hole 2, wherein the valve plate mounting hole 2 is formed in the middle of the valve plate main body portion 1, 8 first valve plate protrusions 3 and second valve plate protrusions 4 are formed in the valve plate main body portion 1, the first valve plate protrusions 3 and the second valve plate protrusions 4 are uniformly arranged along the circumference of the valve plate main body portion 1, and the first valve plate protrusions 3 and the second valve plate protrusions 4 are arranged at intervals. The first valve plate bulge part 3 is in a human shape, and a bent part 10 of the first human-shaped valve plate bulge part 3 is a right angle. The second valve plate bulge part 4 is in a shape like a Chinese character feng, the bent part 10 of the second valve plate bulge part 4 in the shape like the Chinese character feng is in a right angle, and the bent part is an included angle of 90 degrees, so that the flow choking effect can be improved.
Example 2:
as shown in fig. 3 and 4, the labyrinth pressure reducing valve plate processing mold according to embodiment 1 mainly includes a mold main body portion 5 and a mold positioning portion 6, the mold main body portion 5 and the mold positioning portion 6 are concentrically arranged, 8 mold protruding portions 7 are arranged between the mold main body portion 5 and the mold positioning portion 6, and the mold protruding portions 7 are arranged along the circumference of the mold main body portion 5. A first mold groove part 8 is arranged between every two adjacent mold protruding parts 7, and a second mold groove part 9 is arranged on each mold protruding part 7. The number of the first mold groove portion 8 and the number of the second mold groove portion 9 are 8 respectively, and the first mold groove portion and the second mold groove portion correspond to the first valve plate protruding portion 3 and the second valve plate protruding portion 4. The mold bulge part 7 is shaped like a Chinese character feng, and a bending part 10 of the mold bulge part 7 shaped like a Chinese character feng is a right angle. The first mold groove part 8 is in a human shape, and a bent part 10 of the first human-shaped mold groove part 8 is a right angle; the second mold groove portion 9 is shaped like a Chinese character feng, and a bent portion 10 of the second mold groove portion 9 is a right angle.
Example 3:
the manufacturing method of the labyrinth type pressure reducing valve plate based on the embodiment 1 and the embodiment 2 comprises the following steps:
(1) The valve plate main body part 1 is connected with the mould positioning part 6 in a sleeved mode through the valve plate mounting hole 2, and the valve plate main body part 1 is clamped in the mould main body part 5;
(2) Placing the processed first valve plate protruding part 3 and the processed second valve plate protruding part 4 which are not spliced in the first mold groove part 8 and the second mold groove part 9, and splicing and positioning the first valve plate protruding part 3 and the second valve plate protruding part 4 through the first mold groove part and the second mold groove part 9;
(3) The first valve plate bulge part 3 and the second valve plate bulge part 4 are positioned on the valve plate main body part 1 through the valve plate die, the first valve plate bulge part 3, the second valve plate bulge part 4 and the valve plate main body part 1 are tightly attached into a whole through a diffusion welding process, the fact that the bent parts 10 of the first valve plate bulge part 3 and the second valve plate bulge part 4 are right angles is achieved, and the flow choking effect is improved.
The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Claims (9)
1. A manufacturing method of a labyrinth type pressure reducing valve plate comprises the labyrinth type pressure reducing valve plate and a valve plate mounting hole arranged in the middle of the valve plate main body, wherein a plurality of first valve plate bulges and second valve plate bulges are arranged on the valve plate main body, the first valve plate bulges and the second valve plate bulges are arranged along the circumference of the valve plate main body, and the first valve plate bulges and the second valve plate bulges are arranged at intervals; the method is characterized by comprising the following steps:
(1) The valve block main body part is connected with the mold positioning part in a sleeved mode through the valve block mounting hole, and the valve block main body part is clamped in the mold main body part;
(2) Placing a first valve plate protruding part and a second valve plate protruding part in the first mold groove part and the second mold groove part;
(3) The first valve plate bulge and the second valve plate bulge are positioned on the valve plate main body through the valve plate die, the first valve plate bulge, the second valve plate bulge and the valve plate main body are tightly attached into a whole through a diffusion welding process, and the first valve plate bulge and the second valve plate bulge are bent to form a right angle.
2. The manufacturing method of the labyrinth type reducing valve plate according to claim 1, wherein 4 to 8 first and second valve plate protrusions are respectively arranged.
3. The manufacturing method of the labyrinth type reducing valve plate according to claim 1 or 2, wherein the first valve plate bulge part is in a shape of a human body, and the bent part of the first human-shaped valve plate bulge part is a right angle.
4. The manufacturing method of a labyrinth type pressure reducing valve plate as claimed in claim 3, wherein the second valve plate protrusion part is in a shape of Chinese character feng, and the bent part of the second valve plate protrusion part is a right angle.
5. The manufacturing method of a labyrinth pressure reducing valve plate as claimed in claim 1, wherein the main mold portion and the positioning portion are concentrically arranged, and a plurality of mold protrusions are disposed between the main mold portion and the positioning portion, and a first mold groove portion is disposed between two adjacent mold protrusions, and a second mold groove portion is disposed on the mold protrusions.
6. The manufacturing method of a labyrinth pressure reducing valve plate as claimed in claim 5, wherein the number of the mold protrusions is 4-8 and the mold protrusions are arranged along the circumference of the main body of the mold.
7. The manufacturing method of the labyrinth pressure reducing valve plate as claimed in claim 5 or 6, wherein the number of the first mold groove portion and the number of the second mold groove portion are respectively 4-8.
8. The method for manufacturing a labyrinth type pressure reducing valve plate as claimed in claim 7, wherein the mold protrusion is in a shape of Chinese character feng, and the bending portion of the mold protrusion is a right angle.
9. The manufacturing method of a labyrinth type pressure reducing valve plate as claimed in claim 8, wherein the first groove of the mold is in a human shape, and the bent part of the first groove of the human-shaped mold is a right angle; the second mold groove part is shaped like a Chinese character feng, and the bent part of the second mold groove part is a right angle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711166350.5A CN107717203B (en) | 2017-11-21 | 2017-11-21 | Labyrinth type pressure reducing valve plate, valve plate machining die and valve plate manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711166350.5A CN107717203B (en) | 2017-11-21 | 2017-11-21 | Labyrinth type pressure reducing valve plate, valve plate machining die and valve plate manufacturing method |
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| CN107717203A CN107717203A (en) | 2018-02-23 |
| CN107717203B true CN107717203B (en) | 2022-11-29 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2950778C2 (en) * | 1979-12-17 | 1982-04-29 | Johannes R. Dipl.-Ing. 8000 München Smirra | Method and device for producing a closure body for a cone labyrinth valve |
| CN203703347U (en) * | 2014-01-23 | 2014-07-09 | 章华 | Runner inlet structure of throttling disc |
| CN203963232U (en) * | 2014-02-16 | 2014-11-26 | 重庆川仪调节阀有限公司 | Mazy type orifice union |
| CN203796974U (en) * | 2014-03-24 | 2014-08-27 | 上海平安高压调节阀门有限公司 | Condensate feed water regulating valve |
| CN103867729A (en) * | 2014-04-01 | 2014-06-18 | 苏州道森阀门有限公司 | Labyrinth type minimum flow valve |
| CN205781318U (en) * | 2016-04-18 | 2016-12-07 | 无锡鑫华控阀业有限公司 | Labyrinth type noise reduction regulation valve |
| CN207577657U (en) * | 2017-11-21 | 2018-07-06 | 山东沃克控制阀有限公司 | A kind of labyrinth decompression valve valve block and valve block processing mold |
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