CN108730587A - A kind of quadruple valve valve body moulding and its mold - Google Patents
A kind of quadruple valve valve body moulding and its mold Download PDFInfo
- Publication number
- CN108730587A CN108730587A CN201810631538.0A CN201810631538A CN108730587A CN 108730587 A CN108730587 A CN 108730587A CN 201810631538 A CN201810631538 A CN 201810631538A CN 108730587 A CN108730587 A CN 108730587A
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- CN
- China
- Prior art keywords
- runner
- longitudinal direction
- cavity
- valve body
- sand core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/003—Housing formed from a plurality of the same valve elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/103—Multipart cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/106—Vented or reinforced cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Include valve body, transverse flow channels, longitudinal runner and runner mouth the invention discloses a kind of quadruple valve valve body moulding, valve body is in a rectangular parallelepiped shape, longitudinal runner includes first longitudinal direction runner and second longitudinal direction runner, first longitudinal direction runner and second longitudinal direction runner are tubular structure, cavity is vertically installed in above second longitudinal direction runner, and the lower end of cavity is opening；The invention also discloses a kind of quadruple valve valve body moulding molds, including shell mould and sand core, sand core is molded by main sand core and several small assembly of sand core, main sand core is formed by multiple assembly of sand core, and graphite arbor is placed in main sand core, and main sand core both ends are provided with gas vent, the small core apertures of gas vent unicom and main core apertures, the quadruple valve valve body moulding runner interior smooth of the present invention, and casting inner flow passage, without fash, sand core is without cracking；The casting smooth in appearance poured out, the percentage of A-class goods of pore-free defect, casting reach 95% or more.
Description
Technical field
The present invention relates to valve body moulding field more particularly to a kind of quadruple valve valve body moulding and its molds.
Background technology
Multi-way valve product is mainly used for the mating of all kinds of hydraulic pumps, is widely used in all kinds of machinery hydraulic systems.At present
Domestic and international levels are suitable, and external product Heterosis is long in wear-resisting service life.Domestic similar casting accuracy is poor at present, skill
Art content is low, and domestic high-end hydraulic component relies on import for a long time.
Multi-way valve body casting always exists casting difficult problem at present, and valve inner runner design has to comply with design and needs
It wants, also can be good at casting successfully, main aperture is broken when casting, main aperture bending, and straightness is more than 0.6mm, near cast gate
The problems such as side opening breaking strain.
Valve body moulding is in the technical support that valve produces and researches and develops, and state's inner valve falls behind relatively than external, many productions
Product have been achieved with breakthrough in technology and innovation.Tetrad valve body and 5-linked valve valve in import high-pressure multi-path valve product
Body is since surface is made of numerous curved surface, and wall, than relatively thin, manufacture difficulty is big, and reason is that the cavity for manufacturing casting is multiple
Miscellaneous, sand mold mould difficulty of processing is big, and the manufacturing technology of the thin product of this wall is not made substantial breakthroughs also always.State
The development of inner valve industry should move ahead toward the direction of high-end modern, and at present in the casting technique of valve body moulding, sand core is easy out
It splitting, temperature is low in casting process, is easy to cause casting and gas hole defect occurs, and manufactured valve castings finished product density is uneven, and
And it is limited to be also easy to produce crack, application range.
Invention content
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of tensile strength height, imperforate quadruple valve valves
Body casting and its mold.
The present invention is achieved by the following technical solutions：
A kind of quadruple valve valve body moulding, including valve body, transverse flow channels, longitudinal runner and runner mouth, the valve body is in rectangular
Body shape, the longitudinal direction runner includes first longitudinal direction runner and second longitudinal direction runner, and the first longitudinal direction runner is vertical with described second
It is tubular structure to runner, cavity is vertically installed in above the second longitudinal direction runner, and the lower end of the cavity is opening,
The cavity includes the first cavity, the second cavity and third cavity, and first cavity is by the identical cylinder edge of four sizes
Straight line lateral connection where the center of circle of bottom surface forms, and second cavity is formed by connecting by six cylinders, second cavity
The bottom surface center of circle of upper six cylinders is connected L-shaped, and the third cavity is cylinder, and up and down the two of the first longitudinal direction runner
End passes through transverse flow channels unicom, the transverse flow channels and the third cavity unicom.
The upper end of first cavity is in closed, constitute in second cavity three cylinder upper ends of L-shaped short side according to
Secondary is second road junction, third flow channel mouth and the 4th runner mouth, and third cavity upper end is first-class road junction, and described first is vertical
Runner left side is provided with the 5th runner mouth.
The cross section of the cross sectional radius at the first-class road junction, the cross sectional radius and the 4th runner mouth at second road junction
Radius is identical, and the cross sectional radius at the first-class road junction is more than the cross sectional radius of the third flow channel mouth.
The first longitudinal direction runner and the second longitudinal direction runner are four.
The first longitudinal direction runner is arranged in parallel up and down with the second longitudinal direction runner.
The cross section of the first longitudinal direction runner and the cross section of the second longitudinal direction runner are all circle, and the center of circle is located at
On same straight line.
Auxiliary flow is provided between the first longitudinal direction runner, the auxiliary flow is spherical shape.
Two longitudinal runners among the first longitudinal direction runner pass through the second auxiliary flow unicom, second auxiliary flow
Road is set to the centre position of the first longitudinal direction runner.
Longitudinal runner of first longitudinal direction runner both sides passes through the first auxiliary flow and third auxiliary flow unicom respectively.
First auxiliary flow is located on the same line with the third auxiliary flow, and first auxiliary flow is set
It is placed in below second auxiliary flow.
The invention also discloses a kind of quadruple valve valve body moulding mold, including shell mould and sand core, the shell mould and the sand
Cavity is formed after core molding, the sand core is molded by main sand core and several small assembly of sand core, and the main sand core is by multiple sand core groups
It fills, places graphite arbor in the main sand core, the main sand core both ends are provided with gas vent, described in the gas vent unicom
Small core apertures and the main core apertures, the upper end of the shell mould are provided with sprue cup and riser, the bottom of the riser with it is described
The upper end of cavity connects, and the cast gate is connect by running channel with the lower end of the cavity, is used for potting syrup from the cavity
Bottom is injected.
The beneficial effects of the invention are as follows：
(1) casting die sand core interface of the invention is more, and graphite arbor, obtained tetrad valve body are placed in main sand core
Casting runner interior smooth, and casting inner flow passage, without fash, sand core is without cracking；
(2) present invention solves the problems, such as that main sand core can not be vented by the small core apertures of gas vent unicom and main core apertures；
(3) sand core smooth gas discharge of the invention, the casting smooth in appearance poured out, pore-free defect, tensile strength is big, casting
The percentage of A-class goods reach 95% or more.
Description of the drawings
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical scheme of the present invention
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only the embodiment of the present invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the quadruple valve valve body moulding structural schematic diagram of the present invention；
Fig. 2 is the quadruple valve valve body moulding front view of the present invention；
Fig. 3 is the quadruple valve valve body moulding A1 sectional views of the present invention；
Fig. 4 is the quadruple valve valve body moulding A2 sectional views of the present invention；
Fig. 5 is the quadruple valve valve body moulding A3 sectional views of the present invention；
Fig. 6 is the quadruple valve valve body moulding C-C sectional views of the present invention.
Wherein, reference numeral corresponds in figure：1- valve bodies, 2- first longitudinal direction runners, 3- cavitys, the first cavitys of 31-, 32-
Second cavity, 33- third cavitys, 4- runner mouths, the first-class road junctions 41-, 42- seconds road junction, 43- third flow channel mouths, 44-
Four runner mouths, the 5th runner mouths of 45-, 5- second longitudinal direction runners, 6- transverse flow channels, 7- auxiliary flows, the first auxiliary flows of 71-,
The second auxiliary flows of 72-, 73- third auxiliary flows.
Specific implementation mode
Below in conjunction with the attached drawing in the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of not making creative work
Example, shall fall within the protection scope of the present invention.
Embodiment 1：
Please refer to Fig.1-6.As shown in figures 1 to 6, the invention discloses a kind of quadruple valve valve body mouldings, including valve body 1, transverse direction
Runner 6, longitudinal runner and runner mouth 4, in a rectangular parallelepiped shape, the longitudinal direction runner includes first longitudinal direction runner 2 and the to the valve body 1
Two longitudinal runners 5, the first longitudinal direction runner 2 and the second longitudinal direction runner 5 are tubular structure, and cavity 3 is vertically installed in
The lower end of 5 top of the second longitudinal direction runner, the cavity 3 is opening, and the cavity 3 includes the first cavity 31, the second chamber
Body 32 and third cavity 33, straight line of first cavity 31 as where the identical cylinder of four sizes along the bottom surface center of circle are lateral
It is formed by connecting, second cavity 32 is formed by connecting by six cylinders, the bottom surface of six cylinders on second cavity 32
The center of circle is connected L-shaped, and the third cavity 33 is cylinder, and the upper and lower ends of the first longitudinal direction runner 2 pass through transverse flow channels 6
Unicom, the transverse flow channels 6 and 33 unicom of third cavity.
The upper end of first cavity 31 is in closed, on three cylinders that L-shaped short side is constituted in second cavity 32
End is followed successively by second road junction 42, third flow channel mouth 43 and the 4th runner mouth 44, and 33 upper end of third cavity is first flow
Mouth 41,2 left side of first longitudinal direction runner is provided with the 5th runner mouth 45.
The cross sectional radius at the first-class road junction 41, the cross sectional radius at second road junction 42 and the 4th runner mouth 44
Cross sectional radius is identical, and the cross sectional radius at the first-class road junction 41 is more than the cross sectional radius of the third flow channel mouth 43.
The first longitudinal direction runner 2 and the second longitudinal direction runner 5 are four.
The first longitudinal direction runner 2 is arranged in parallel with about the 5 second longitudinal direction runner.
The cross section of the first longitudinal direction runner 2 and the cross section of the second longitudinal direction runner 5 are all circle, and center of circle position
In on same straight line.
Auxiliary flow 7 is provided between the first longitudinal direction runner 2, the auxiliary flow 7 is spherical shape.
Two longitudinal runners among the first longitudinal direction runner 2 are auxiliary by 72 unicom of the second auxiliary flow, described second
Runner 72 is helped to be set to the centre position of the first longitudinal direction runner 2.
Longitudinal runner of 2 both sides of first longitudinal direction runner passes through the first auxiliary flow 71 and third auxiliary flow 73 respectively
Unicom.
First auxiliary flow 71 is located on the same line with the third auxiliary flow 73, first auxiliary flow
Road 71 is set to second auxiliary flow, 72 lower section.
The invention also discloses a kind of quadruple valve valve body moulding mold, including shell mould and sand core, the shell mould and the sand
Cavity is formed after core molding, the sand core is molded by main sand core and several small assembly of sand core, and the main sand core is by multiple sand core groups
It fills, places graphite arbor in the main sand core, the main sand core both ends are provided with gas vent, described in the gas vent unicom
Small core apertures and the main core apertures, the upper end of the shell mould are provided with sprue cup and riser, the bottom of the riser with it is described
The upper end of cavity connects, and the cast gate is connect by running channel with the lower end of the cavity, is used for potting syrup from the cavity
Bottom is injected.
The present invention quadruple valve valve body moulding tensile strength be more than 300MPa, hardness HB200-230, and cast-internal without
Shrinkage cavity shrinkage porosity phenomenon, casting inner flow passage reach 95% or more without fash, the percentage of A-class goods of casting.
The beneficial effects of the invention are as follows：
(1) casting die sand core interface of the invention is more, and graphite arbor, obtained tetrad valve body are placed in main sand core
Casting runner interior smooth, and casting inner flow passage, without fash, sand core is without cracking；
(2) present invention solves the problems, such as that main sand core can not be vented by the small core apertures of gas vent unicom and main core apertures；
(3) sand core smooth gas discharge of the invention, the casting smooth in appearance poured out, pore-free defect, tensile strength is big, casting
The percentage of A-class goods reach 95% or more.
The above is the preferred embodiment of the present invention, it should be noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of quadruple valve valve body moulding, including valve body (1), transverse flow channels (6), longitudinal runner and runner mouth (4), feature exists
In in a rectangular parallelepiped shape, the longitudinal direction runner includes first longitudinal direction runner (2) and second longitudinal direction runner (5), institute to the valve body (1)
It is tubular structure that first longitudinal direction runner (2), which is stated, with the second longitudinal direction runner (5), and cavity (3) is vertically installed in described second
Above longitudinal runner (5), the lower end of the cavity (3) is opening, and the cavity (3) includes the first cavity (31), the second chamber
Body (32) and third cavity (33), first cavity (31) are straight as where the identical cylinder of four sizes along the bottom surface center of circle
Line lateral connection forms, and second cavity (32) is formed by connecting by six cylinders, upper six circles of the second cavity (32)
The bottom surface center of circle of cylinder is connected L-shaped, and the third cavity (33) is cylinder, and up and down the two of the first longitudinal direction runner (2)
End passes through transverse flow channels (6) unicom, the transverse flow channels (6) and third cavity (33) unicom.
2. a kind of quadruple valve valve body moulding according to claim 1, which is characterized in that the upper end of first cavity (31)
In closed, three cylinder upper ends that L-shaped short side is constituted in second cavity (32) are followed successively by second road junction (42), third
Runner mouth (43) and the 4th runner mouth (44), third cavity (33) upper end are first-class road junction (41), the first longitudinal direction
Runner (2) left side is provided with the 5th runner mouth (45).
3. a kind of quadruple valve valve body moulding according to claim 2, which is characterized in that the cross of the first-class road junction (41)
The cross sectional radius of section radius, the cross sectional radius of second road junction (42) and the 4th runner mouth (44) is identical, and described first
The cross sectional radius of runner mouth (41) is more than the cross sectional radius of the third flow channel mouth (43).
4. a kind of quadruple valve valve body moulding according to claim 1, which is characterized in that the first longitudinal direction runner (2) with
The second longitudinal direction runner (5) is four, and the first longitudinal direction runner (2) is parallel up and down with the second longitudinal direction runner (5)
Setting.
5. a kind of quadruple valve valve body moulding according to claim 4, which is characterized in that the first longitudinal direction runner (2)
Cross section and the cross section of the second longitudinal direction runner (5) are all circle, and the center of circle is located on the same line.
6. a kind of quadruple valve valve body moulding according to claim 1 or 5, which is characterized in that the first longitudinal direction runner (2)
Between be provided with auxiliary flow (7), the auxiliary flow (7) is spherical shape.
7. a kind of quadruple valve valve body moulding according to claim 6, which is characterized in that in the first longitudinal direction runner (2)
Between two longitudinal runners by the second auxiliary flow (72) unicom, it is vertical that second auxiliary flow (72) is set to described first
To the centre position of runner (2).
8. a kind of quadruple valve valve body moulding according to claim 7, which is characterized in that the first longitudinal direction runner (2) two
Longitudinal runner of side passes through the first auxiliary flow (71) and third auxiliary flow (73) unicom respectively.
9. a kind of quadruple valve valve body moulding according to claim 8, which is characterized in that first auxiliary flow (71) with
The third auxiliary flow (73) is located on the same line, and first auxiliary flow (71) is set to second auxiliary flow
Below road (72).
10. a kind of quadruple valve valve body moulding mold, including shell mould and sand core, the shell mould and formation type after sand core molding
Chamber, the sand core are molded by main sand core and several small assembly of sand core, and the main sand core is formed by multiple assembly of sand core, the main sand
In-core places graphite arbor, and the main sand core both ends are provided with gas vent, small core apertures described in the gas vent unicom with it is described
The upper end of main core apertures, the shell mould is provided with sprue cup and riser, and the bottom of the riser is connect with the upper end of the cavity,
The cast gate is connect by running channel with the lower end of the cavity, for injecting potting syrup from the bottom of the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810631538.0A CN108730587A (en) | 2018-06-19 | 2018-06-19 | A kind of quadruple valve valve body moulding and its mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810631538.0A CN108730587A (en) | 2018-06-19 | 2018-06-19 | A kind of quadruple valve valve body moulding and its mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108730587A true CN108730587A (en) | 2018-11-02 |
Family
ID=63930191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810631538.0A Withdrawn CN108730587A (en) | 2018-06-19 | 2018-06-19 | A kind of quadruple valve valve body moulding and its mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108730587A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523922A (en) * | 2019-09-30 | 2019-12-03 | 共享智能铸造产业创新中心有限公司 | A kind of casting sand type of multiway valve casting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2367345A (en) * | 2000-09-29 | 2002-04-03 | Risbridger Ltd | Valve body |
| EP2626155A1 (en) * | 2010-10-08 | 2013-08-14 | Adma Elena Faraon Chaul Huerta | Metal mold for manufacturing a straight wax body for a valve and straight metal body for a valve thus obtained |
| CN204817934U (en) * | 2015-06-25 | 2015-12-02 | 南通华东油压科技有限公司 | Filling valve foundry goods mould |
| CN105772632A (en) * | 2016-04-22 | 2016-07-20 | 南通华东油压科技有限公司 | Quadruple valve body casting and mold thereof |
| CN105782500A (en) * | 2016-04-22 | 2016-07-20 | 南通华东油压科技有限公司 | Large-duty loader hydraulic valve body casting |
| CN205927013U (en) * | 2016-06-23 | 2017-02-08 | 太仓市顺昌锻造有限公司 | A mould for casting valve body |
-
2018
- 2018-06-19 CN CN201810631538.0A patent/CN108730587A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2367345A (en) * | 2000-09-29 | 2002-04-03 | Risbridger Ltd | Valve body |
| EP2626155A1 (en) * | 2010-10-08 | 2013-08-14 | Adma Elena Faraon Chaul Huerta | Metal mold for manufacturing a straight wax body for a valve and straight metal body for a valve thus obtained |
| CN204817934U (en) * | 2015-06-25 | 2015-12-02 | 南通华东油压科技有限公司 | Filling valve foundry goods mould |
| CN105772632A (en) * | 2016-04-22 | 2016-07-20 | 南通华东油压科技有限公司 | Quadruple valve body casting and mold thereof |
| CN105782500A (en) * | 2016-04-22 | 2016-07-20 | 南通华东油压科技有限公司 | Large-duty loader hydraulic valve body casting |
| CN205927013U (en) * | 2016-06-23 | 2017-02-08 | 太仓市顺昌锻造有限公司 | A mould for casting valve body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523922A (en) * | 2019-09-30 | 2019-12-03 | 共享智能铸造产业创新中心有限公司 | A kind of casting sand type of multiway valve casting |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181102 |
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| WW01 | Invention patent application withdrawn after publication |