CN108580812B - A kind of gate valve sand box used for casting - Google Patents
A kind of gate valve sand box used for casting Download PDFInfo
- Publication number
- CN108580812B CN108580812B CN201810368001.XA CN201810368001A CN108580812B CN 108580812 B CN108580812 B CN 108580812B CN 201810368001 A CN201810368001 A CN 201810368001A CN 108580812 B CN108580812 B CN 108580812B
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- Prior art keywords
- plate
- locating piece
- positioning plate
- groove profile
- core
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a kind of gate valve sand box used for casting, it is related to sand casting field, including cope, drag box, plate one and plate two, upper impression is equipped in cope, upper core is equipped in upper impression, lower impressions are equipped in drag box, mo(u)ld bottom half core is equipped in lower impressions, upper locating piece is equipped on the left of cope, upper positioning plate is equipped on the right side of cope, lower positioning plate is equipped on the left of drag box, lower locating piece is equipped on the right side of drag box, a groove is offered on the left of lower positioning plate, several circular holes are equipped in groove, the lower end of plate one is equipped with and several cylindrical projections, the lower end surface of plate one and lower positioning plate are clamped, the right side opening of upper positioning plate is equipped with an opening, the upper end of plate two is equipped with limit plate, the sliding in opening of plate two, this invention ensures that integrality when taking-up type core, protect type chamber, improve production efficiency.
Description
Technical field
The present invention relates to sand casting fields, and in particular to a kind of gate valve sand box used for casting.
Background technique
Gate valve is an opening and closing element flashboard, and the direction of motion and flow direction of flashboard are perpendicular, gate valve can only make standard-sized sheet and
Quan Guan cannot make adjustments and throttle.Gate valve is sealed by valve seat and rams contact, and usual sealing surface can deposited metal material
To increase wearability.Flashboard has rigid flashboard and flexible disc, and according to the difference of flashboard, gate valve is divided into rigid gate valve and elastic lock
Valve.
For large-scale gate valve, the mode that producer generallys use molding sand casting is cast, in gate valve sandbox parting
Using lateral die joint in the selection in face, i.e., the advantages of shape for not destroying circular ports is carried out to subdivision type, this mode
It is that parting is simple, casting is easy, but this casting method is needing when taking out sand core, and needing to take out from top cannot
The offset that left and right occurs, will not thus damage die cavity and sand core, ensure that sand core can be used for multiple times, but due to various originals
Cause is difficult to accomplish to take when sand mold and guarantees that left and right offset will not occur when unpacking between upper drag box.
Summary of the invention
The purpose of the present invention is to provide a kind of gate valve sand box used for casting, caused by the prior art above-mentioned multinomial to solve
Defect.
A kind of gate valve sand box used for casting, including cope, drag box, plate one and plate two are equipped in the cope
Upper impression, the upper impression include the upper shutter groove profile chamber that section is square structure, one end of the upper shutter groove profile chamber
Upper, annular groove profile chamber equipped with semicircular structure, the upper, annular groove profile cavity wall is equipped with upper, annular groove-type core, described
It is equipped with upper core in upper, annular groove-type core, lower impressions are equipped in the drag box, it is half that section is equipped in the middle part of the lower impressions
The mo(u)ld bottom half core of circle structure, the lower impressions include the lower rams groove profile chamber that section is square structure, the lower rams groove profile
One end of chamber is equipped with the lower annular groove profile chamber of semicircular structure, and the lower annular groove profile cavity wall is equipped with lower annular groove profile
Core, the lower annular groove profile in-core are equipped with mo(u)ld bottom half core, and upper locating piece is equipped on the left of sandbox, is equipped with upper positioning on the right side of cope
Plate, drag box left side are equipped with lower positioning plate, are equipped with lower locating piece, the lower end surface of the upper locating piece and lower positioning on the right side of drag box
The upper surface of plate connects, and the upper surface of the lower end surface of the upper positioning plate and lower locating piece connects, lower positioning plate
Left side offers a groove, be equipped with several circular holes in the groove, and the lower end of the plate one is equipped with to be matched with circular hole
Several cylindrical projections, the lower end surface of plate one and lower positioning plate are clamped, and the right side of plate one and the left side of upper locating piece connect
Touching connection, the right side opening of upper positioning plate are equipped with an opening, and the upper end of the plate two is equipped with limit plate, and plate two is sliding in opening
Dynamic, the left side of plate two and lower locating piece connect.
Preferably, the upper shutter groove profile cavity wall is equipped with multiple top rib type chambers, the top rib type chamber
Top be equipped with outlet piece, the lower rams groove profile cavity wall be equipped with multiple lower part rib type chambers.
Preferably, the upper end of the upper impression is equipped with riser feeding type chamber, and the riser feeding type chamber upper end is communicated with filling
Pour pipeline.
Preferably, the lower end surface of the upper locating piece and upper positioning plate and cope lower end surface are located at same level, institute
The upper surface of the upper surface and drag box of stating lower positioning plate and lower locating piece is located at same level.
The present invention has the advantages that the present invention pass through the upper locating piece that is staggered and lower positioning plate, upper positioning plate and under
The combination of locating piece is used cooperatively plate one and plate two, both plays the role of auxiliary positioning, while in the mutual of left and right power
Under effect, it ensure that cope and drag box will not be subjected to displacement easily between each other, integrality when such taking-up type core,
Type chamber is protected, production efficiency is improved.
Detailed description of the invention
Fig. 1 is sectional view of the invention.
Fig. 2 is the top view in the present invention at lower positioning plate.
Fig. 3 is the structural schematic diagram of centerboard one of the present invention.
Fig. 4 is the top view in the present invention at upper positioning plate.
Fig. 5 is the structural schematic diagram of centerboard two of the present invention.
Wherein, 1- cope, 2- drag box, 3- upper, annular groove-type core, 4- upper core, 5- upper shutter groove profile chamber, 6-
Top rib type chamber, 7- lower annular groove profile core, 8- mo(u)ld bottom half core, 9- lower rams groove profile chamber, the lower part 10- rib type chamber, on 11-
Locating piece, positioning plate under 12-, 13- circular hole, 14- plate one, 15- cylindrical projection, the upper positioning plate of 16-, 17- opening are fixed under 18-
Position block, 19- plate two, 20- limit plate, 21- riser feeding type chamber, 22- pour pipeline, 23- outlet piece.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in Figures 1 to 5, a kind of gate valve sand box used for casting, including cope 1, drag box 2, plate 1 and plate
2 19, the cope 1 is interior to be equipped with upper impression, and the upper impression includes the upper shutter groove profile chamber 5 that section is square structure, institute
The one end for stating upper shutter groove profile chamber 5 is equipped with the upper, annular groove profile chamber of semicircular structure, the upper, annular groove profile cavity wall
Equipped with upper, annular groove-type core 3, it is equipped with upper core 4 in the upper, annular groove-type core 3, is equipped with lower impressions in the drag box 2,
The mo(u)ld bottom half core 8 that section is semi-circular structure is equipped in the middle part of the lower impressions, the lower impressions include the lower part that section is square structure
Flashboard groove profile chamber 9, one end of the lower rams groove profile chamber 9 are equipped with the lower annular groove profile chamber of semicircular structure, the lower part
Annular groove profile cavity wall is equipped with lower annular groove profile core 7, and mo(u)ld bottom half core 8,1 left side of sandbox are equipped in the lower annular groove profile core 7
Equipped with upper locating piece 11, it is equipped with upper positioning plate 16 on the right side of cope 1, lower positioning plate 12, drag box right side are equipped on the left of drag box
Equipped with lower locating piece 18, the lower end surface of the upper locating piece 11 and the upper surface of lower positioning plate 12 are connected, the upper positioning
The lower end surface of plate 16 and the upper surface of lower locating piece 18 connect, and the left side of lower positioning plate 12 offers a groove, described
Several circular holes 13 are equipped in groove, the lower end of the plate 1 is equipped with several cylindrical projections 15 matched with circular hole 13, inserts
The lower end surface of plate 1 and lower positioning plate 12 are clamped, and the left side of the right side of plate 1 and upper locating piece 11 connects,
The right side opening of upper positioning plate 16 is equipped with an opening 17, and the upper end of the plate 2 19 is equipped with limit plate 20, and plate 2 19 is being open
Sliding in 17, the left side of plate 2 19 and lower locating piece 18 connect.
In the present embodiment, 5 inner wall of upper shutter groove profile chamber is equipped with multiple top rib type chambers 6, the top
The top of rib type chamber 6 is equipped with outlet piece 23, and 9 inner wall of lower rams groove profile chamber is equipped with multiple lower part rib type chambers 10.
In the present embodiment, the upper end of the upper impression is equipped with riser feeding type chamber 21, on the riser feeding type chamber 21
End, which is communicated with, pours pipeline 22.
In the present embodiment, the lower end surface of the upper locating piece 11 and upper positioning plate 16 and 1 lower end surface of cope are located at same
One horizontal plane, the lower positioning plate 12 and the upper surface of lower locating piece 18 and the upper surface of drag box 2 are located at same level.
The operation principle of the present invention is that: cope 1 and 2 mould assembling of drag box positioning are fixed, wherein upper locating piece 11 is under
Positioning plate 12 is in contact, and upper positioning plate 16 is in contact with lower locating piece 18, at this time only in 2 positioning accurate of cope 1 and drag box
In the case where really, plate 1 could be inserted into the groove of lower positioning plate 12, plate 2 19 is inserted into upper positioning plate 16
Opening 17 in, i.e. plate 1 and plate 2 19 plays the role of auxiliary positioning, simultaneously because the lower end surface of plate 1
It is clamped with lower positioning plate 12, the left side of the right side of plate 1 and upper locating piece 11 connects, and plate 2 19 is being open
Sliding in 17, the left side of plate 2 19 and lower locating piece 18 connect, when carrying out unpacking after the completion of pouring, in plate one
14 and 2 19 power of plate interaction under, ensure that cope 1 and drag box 2 will not be subjected to displacement easily between each other；Iron
Water is injected into cope 1 from pipeline 22 is poured, and molten iron flows through cope 1 and enters in drag box 2, and molten iron is gradually filled out
It fills, is cooled down after the completion of pouring, grinding process is carried out to gate valve surfaces externally and internally after the completion of cooling, excision riser obtains gate valve casting
Part.
Based on above-mentioned, the present invention passes through the upper locating piece 11 being staggered and lower positioning plate 12, upper positioning plate 16 and lower fixed
The combination of position block 18, is used cooperatively plate 1 and plate 2 19, both plays the role of auxiliary positioning, while in left and right power
Under interaction, it ensure that cope 1 and drag box 2 will not be subjected to displacement easily between each other, when such taking-up type core
Integrality protects type chamber, improves production efficiency.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (1)
1. a kind of gate valve sand box used for casting, which is characterized in that including cope (1), drag box (2), plate one (14) and plate
Two (19), the cope (1) is interior to be equipped with upper impression, and the upper impression includes the upper shutter groove profile chamber that section is square structure
(5), one end of the upper shutter groove profile chamber (5) is equipped with the upper, annular groove profile chamber of semicircular structure, the upper, annular slot
Type cavity wall is equipped with upper, annular groove-type core (3), is equipped with upper core (4) in the upper, annular groove-type core (3), the drag box
(2) it is equipped with lower impressions in, the mo(u)ld bottom half core (8) that section is semi-circular structure is equipped in the middle part of the lower impressions, the lower impressions include cutting
Face is the lower rams groove profile chamber (9) of square structure, and one end of the lower rams groove profile chamber (9) is equipped under semicircular structure
Portion's annular groove profile chamber, the lower annular groove profile cavity wall are equipped with lower annular groove profile core (7), the lower annular groove profile core
(7) mo(u)ld bottom half core (8) are equipped in, are equipped with upper locating piece (11) on the left of sandbox (1), are equipped with upper positioning plate (16) on the right side of cope (1),
Lower positioning plate (12) are equipped on the left of drag box, are equipped with lower locating piece (18) on the right side of drag box, the lower end of the upper locating piece (11)
Face and the upper surface of lower positioning plate (12) connect, the lower end surface of the upper positioning plate (16) and the upper end of lower locating piece (18)
Face contact connects, and a groove is offered on the left of lower positioning plate (12), is equipped with several circular holes (13) in the groove, described to insert
The lower end of plate one (14) is equipped with several cylindrical projections (15) for matching with circular hole (13), the lower end surface of plate one (14) with it is lower fixed
Position plate (12) is clamped, and the left side of the right side of plate one (14) and upper locating piece (11) connects, upper positioning plate (16)
Right side opening is equipped with an opening (17), and the upper end of the plate two (19) is equipped with limit plate (20), and plate two (19) is in opening (17)
Interior sliding, the left side of plate two (19) and lower locating piece (18) connect, and set on upper shutter groove profile chamber (5) inner wall
There are multiple top rib type chambers (6), the top of the top rib type chamber (6) is equipped with outlet piece (23), the lower rams slot
Type chamber (9) inner wall is equipped with multiple lower part rib type chambers (10), and the upper end of the upper impression is equipped with riser feeding type chamber (21), institute
It states riser feeding type chamber (21) upper end and is communicated with and pour pipeline (22), the lower end of the upper locating piece (11) and upper positioning plate (16)
Face and cope (1) lower end surface are located at same level, the upper surface of the lower positioning plate (12) and lower locating piece (18) and under
The upper surface of sandbox (2) is located at same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810368001.XA CN108580812B (en) | 2018-04-23 | 2018-04-23 | A kind of gate valve sand box used for casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810368001.XA CN108580812B (en) | 2018-04-23 | 2018-04-23 | A kind of gate valve sand box used for casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108580812A CN108580812A (en) | 2018-09-28 |
| CN108580812B true CN108580812B (en) | 2019-11-15 |
Family
ID=63614031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810368001.XA Active CN108580812B (en) | 2018-04-23 | 2018-04-23 | A kind of gate valve sand box used for casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108580812B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4628986A (en) * | 1985-03-26 | 1986-12-16 | Combustion Engineering, Inc. | Molding register system |
| JPH0735640Y2 (en) * | 1990-06-27 | 1995-08-16 | 三菱重工業株式会社 | Fixing device |
| CN203737960U (en) * | 2014-02-24 | 2014-07-30 | 什邡永森机械有限公司 | Casting sand box |
| CN106493308B (en) * | 2017-01-09 | 2018-06-15 | 浙江欧冶达机械制造有限公司 | A kind of gate valve casting of the low cost without riser |
| CN106513592B (en) * | 2017-01-09 | 2018-06-15 | 浙江欧冶达机械制造有限公司 | A kind of high-performance gate valve casting |
-
2018
- 2018-04-23 CN CN201810368001.XA patent/CN108580812B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108580812A (en) | 2018-09-28 |
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