CN107812885A - A kind of multiple directional control valve casting mould - Google Patents
A kind of multiple directional control valve casting mould Download PDFInfo
- Publication number
- CN107812885A CN107812885A CN201711063634.1A CN201711063634A CN107812885A CN 107812885 A CN107812885 A CN 107812885A CN 201711063634 A CN201711063634 A CN 201711063634A CN 107812885 A CN107812885 A CN 107812885A
- Authority
- CN
- China
- Prior art keywords
- shell
- core
- control valve
- loam core
- directional control
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- 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
- B22C9/20—Stack moulds, i.e. arrangement of multiple moulds or flasks
-
- 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)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a kind of multiple directional control valve casting mould, including sandbox, shell and loam core, loam core to be horizontally set in shell, in shell insertion sandbox；The die cavity of multiple directional control valve is formed between shell and loam core；Shell is two, and respectively shell I and shell II, shell I and shell II is arranged side by side and be arranged in sandbox, and shell I and corresponding two lateral surfaces of shell II are bonded to each other；Loam core includes main core and some small cores, and main core and some small cores are assembled into a loam core entirety, the overall arbor being internally provided with for forming multiple directional control valve runner of loam core by fabrication hole, and the overall top of loam core is provided with venthole, and venthole is exported by steel wire.The defects of present invention can solve the problem that loam core assembling difficulty and can reduce casting.
Description
Technical field
The present invention relates to technical field of mold, more particularly to a kind of multiple directional control valve casting mould.
Background technology
Multiple directional control valve is to combine more than two valve blocks, to manipulate the motion of multiple executive components.It
Safety valve, overload valve, Fill valve, flow divider, brake valve, check valve etc. can be combined according to the requirement of different hydraulic systems
Together, so it is compact-sized, pipeline is simple, and the pressure loss is small, and installs simply, therefore is transported in engineering machinery, lifting
Extensive use in the walking machine of defeated machinery and other multiple actuator movements of requirement manipulation.
The multiple directional control valve of Changde Zhonglian Zhongke Hydraulic Co., Ltd.'s design, advanced design, small volume, reliable in action, work(
Can more, service life is long and alternative import has the characteristics that integrated level is high, highly reliable, long lifespan, market field prospect is preferable,
The important technological parameters of the valve body are as follows：Material：HT300, tensile strength：>=300Mpa, hardness：HB190-230, satisfaction are set
Count size requirement, without casting flaws such as burning into sand, stomata, shrinkage cavity and porosities, the defects of inner chamber is without scab, fash, casting list amount：
10kg。
Mainly following difficult point be present by casting integrated shaping, the casting in above-mentioned multiple directional control valve：(1) valve body moulding
Complicated, loam core assembles more difficult and casting runner and is difficult to clear up；(2) be also easy to produce in casting process runner scab, sintering,
Fracture, contraction distortion and cast(ing) surface stomata, the defects of sand hole is more.
Therefore, a kind of multiple directional control valve casting mould is researched and developed, the defects of solving loam core assembling difficulty and reduce casting, is shown
Obtain increasingly important.
The content of the invention
The purpose of the present invention is to provide a kind of loam core that solves the defects of for prior art presence to assemble difficult and subtract
The multiple directional control valve casting mould of the defects of few casting.
In order to solve the above-mentioned technical problem, the invention provides a kind of multiple directional control valve casting mould, including it is sandbox, outer
Shell and loam core, the loam core are horizontally set in the shell, and the shell is embedded in the sandbox, the shell and the mud
The die cavity of multiple directional control valve is formed between core；The shell is two, respectively shell I and shell II, the shell I and described
Shell II, which is arranged side by side, to be arranged in the sandbox, and two corresponding lateral surfaces of the shell I and the shell II mutually paste
Close；The loam core includes main core and some small cores, and the main core and some small cores are assembled into a loam core by fabrication hole
It is overall, the overall arbor being internally provided with for forming multiple directional control valve runner of the loam core；The overall top of the loam core
It is provided with venthole.
Further, loam core overall I is provided with the shell I, there is core print I in the loam core overall I, it is described outer
Loam core overall II is provided with shell II, there is core print II in the loam core overall II, the shell I and the shell II are mutual
After fitting, the distance between described core print I and the core print II are most short.
Preferably, the size and shape of the shell I and the size and shape all same of the shell II.
Further, in the cavity between the sandbox and the shell covered with layer of sand, be provided with the layer of sand with
The running channel and rising head of the shell connection.
Preferably, the rising head is two.
Preferably, a diameter of 80mm of the rising head, it is highly 110mm.
Preferably, the loam core is integrally made of ferrochrome sand.
Preferably, the overall outer surface of the loam core is provided with zircon flour coating layer.
Preferably, the shell uses phenolic sand molding.
The multiple directional control valve casting mould of the present invention, has the advantages that：
1st, loam core of the invention is assembled into a loam core entirety by fabrication hole, solves loam core assembling difficulty and runner not
The problem of easy to clean.
2nd, the present invention is close together casting using by two shells, solves the problems, such as runner contraction distortion.
3rd, the overall arbor being internally provided with for forming multiple directional control valve runner of loam core of the invention, solves runner
The problem of being easily broken off；And venthole is provided with the position of core print, the venthole is exported with steel wire, and under casing pulls out after making
Go out, the defects of cast(ing) surface pore-free and sand hole.
4th, loam core of the invention is integrally made of ferrochrome sand, and loam core intensity is higher, and the outer surface setting that loam core is overall
There is zircon flour coating layer, solve the problems, such as the easy scab of runner and sintering.
5th, shell of the invention uses phenolic sand molding, and intensity is higher.
Brief description of the drawings
, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical scheme
The accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Its accompanying drawing.
Fig. 1 is the structural representation of the casting mould of multiple directional control valve.
Wherein, reference corresponds in figure：1- sandboxes, 2- shells, 21- shells I, 22- shells II.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in inventive embodiments is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
The embodiment of invention, the every other reality that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example is applied, belongs to the scope of protection of the invention.
Fig. 1 is the casting mould of the multiple directional control valve of the present invention, including sandbox 1, shell 2 and loam core, and the loam core is horizontal
It is arranged in the shell 2, the shell 2 is embedded in the sandbox 1；The shell 2 uses phenolic sand molding, the shell 2
The die cavity of multiple directional control valve is formed between the loam core；Covered with sand in cavity between the sandbox 1 and the shell 2
Layer, it is provided with the running channel connected with the shell 2 and a diameter of 80mm, the highly rising head for 110mm in the layer of sand.
Continue, as shown in figure 1, to prevent casting runner from having the phenomenon of small contraction deformation, to be close together using by two shells
Moulding (core print direction) is carried out, specific housing connected mode is as follows：The shell 2 is two, and respectively size and shape is equal
Identical shell I 21 and shell II 22, the shell I 21 and the shell II 22 are disposed side by side in the sandbox 1, described outer
Shell I 21 and corresponding two lateral surfaces of the shell II 22 are bonded to each other；Loam core overall I, institute are provided with the shell I 21
Stating in loam core overall I has core print I, and loam core overall II is provided with the shell II 22, is had in the loam core overall II
Core print II, after the shell I 21 and the shell II 22 are bonded to each other, between the core print I and the core print II
Distance is most short.Because the shell is two, therefore is provided with two rising heads accordingly.
The loam core includes main core and some small cores, if without fabrication hole, loam core will in main core and small core assembling process
Vacantly, influence to assemble, and place arbor, will be unable to take out, the runner Relict Sand of the inside, it is not easy to clear up, therefore install work additional
Skill hole, and the main core and some small cores are assembled into a loam core entirety by fabrication hole, overall interior of the loam core
Portion is provided with the arbor for forming multiple directional control valve runner；The overall top of the loam core is provided with (on the position of core print)
Venthole, steel wire is provided with the venthole, the loam core venthole is exported by the steel wire, and under casing again pulls out steel wire after making
Go out, the defects of stomata and sand hole of cast(ing) surface are can effectively solve the problem that by this method.
In order to strengthen intensity, the loam core is integrally made of ferrochrome sand, and coats zirconium English in the overall outer surface of the loam core
Powder coating, it is painted with and dries, dry, this, which covers zircon flour coating, can solves the defects of runner scab, sintering.
The multiple directional control valve casting mould of the present invention, has the advantages that：
1st, loam core of the invention is assembled into a loam core entirety by fabrication hole, solves loam core assembling difficulty and runner not
The problem of easy to clean.
2nd, the present invention is close together casting using by two shells, solves the problems, such as runner contraction distortion.
3rd, the overall arbor being internally provided with for forming multiple directional control valve runner of loam core of the invention, solves runner
The problem of being easily broken off；And venthole is provided with the position of core print, the venthole is exported with steel wire, and under casing pulls out after making
Go out, the defects of cast(ing) surface pore-free and sand hole.
4th, loam core of the invention is integrally made of ferrochrome sand, and loam core intensity is higher, and the outer surface setting that loam core is overall
There is zircon flour coating layer, solve the problems, such as the easy scab of runner and sintering.
5th, shell of the invention uses phenolic sand molding, and intensity is higher.
The above disclosed right for being only presently preferred embodiments of the present invention, the present invention can not being limited with this certainly
Scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (9)
1. a kind of multiple directional control valve casting mould, including sandbox (1), shell (2) and loam core, the loam core is horizontally set on described
In shell (2), in the embedded sandbox (1) of the shell (2), multi-way reversing is formed between the shell (2) and the loam core
The die cavity of valve, it is characterised in that
The shell (2) is two, respectively shell I (21) and shell II (22), the shell I (21) and the shell II
(22) it is arranged side by side and is arranged in the sandbox (1), on the outside of the shell I (21) and corresponding two of the shell II (22)
Face is bonded to each other；
The loam core includes main core and some small cores, and the main core and some small cores are assembled into a loam core by fabrication hole
It is overall, the overall arbor being internally provided with for forming multiple directional control valve runner of the loam core, the overall top of the loam core
It is provided with venthole.
2. multiple directional control valve casting mould according to claim 1, it is characterised in that be provided with the shell I (21)
Loam core overall I, there is core print I in the loam core overall I, loam core overall II, the mud are provided with the shell II (22)
After on core overall II there is core print II, the shell I (21) and the shell II (22) to be bonded to each other, the He of core print I
The distance between the core print II is most short.
3. multiple directional control valve casting mould according to claim 1 or 2, it is characterised in that the size of the shell I (21)
With shape and the size and shape all same of the shell II (22).
4. multiple directional control valve casting mould according to claim 3, it is characterised in that the sandbox (1) and the shell
(2) covered with layer of sand in cavity between, the running channel and rising head connected with the shell (2) is provided with the layer of sand.
5. multiple directional control valve casting mould according to claim 4, it is characterised in that the rising head is two.
6. the multiple directional control valve casting mould according to claim 4 or 5, it is characterised in that the rising head it is a diameter of
80mm, it is highly 110mm.
7. multiple directional control valve casting mould according to claim 6, it is characterised in that the loam core integrally uses ferrochrome sand
It is made.
8. multiple directional control valve casting mould according to claim 7, it is characterised in that the overall outer surface of the loam core is set
It is equipped with zircon flour coating layer.
9. the multiple directional control valve casting mould according to claim 7 or 8, it is characterised in that the shell (2) uses resin
Sand molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711063634.1A CN107812885A (en) | 2017-11-02 | 2017-11-02 | A kind of multiple directional control valve casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711063634.1A CN107812885A (en) | 2017-11-02 | 2017-11-02 | A kind of multiple directional control valve casting mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107812885A true CN107812885A (en) | 2018-03-20 |
Family
ID=61603701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711063634.1A Withdrawn CN107812885A (en) | 2017-11-02 | 2017-11-02 | A kind of multiple directional control valve casting mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107812885A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111283145A (en) * | 2020-03-23 | 2020-06-16 | 苏州勤美达精密机械有限公司 | Novel core assembly process and application |
| CN115255332A (en) * | 2022-08-26 | 2022-11-01 | 江苏锐美汽车零部件有限公司 | Low-pressure casting double-motor integrated casing die structure |
-
2017
- 2017-11-02 CN CN201711063634.1A patent/CN107812885A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111283145A (en) * | 2020-03-23 | 2020-06-16 | 苏州勤美达精密机械有限公司 | Novel core assembly process and application |
| CN115255332A (en) * | 2022-08-26 | 2022-11-01 | 江苏锐美汽车零部件有限公司 | Low-pressure casting double-motor integrated casing die structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180320 |