CN106424551A - Core box for producing conjoined sand core and method thereof - Google Patents
Core box for producing conjoined sand core and method thereof Download PDFInfo
- Publication number
- CN106424551A CN106424551A CN201610504116.8A CN201610504116A CN106424551A CN 106424551 A CN106424551 A CN 106424551A CN 201610504116 A CN201610504116 A CN 201610504116A CN 106424551 A CN106424551 A CN 106424551A
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- China
- Prior art keywords
- intermediate plate
- siamesed
- core
- producing
- sand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/06—Core boxes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention provides a core box for producing a conjoined sand core. The core box includes: a base plate; at least one intermediate plate vertically connected to the base plate; a detachably connected retractable core plate around the intermediate plate and the base plate; and a core rod passing through the at least one intermediate plate in order and detachably connected to the at least one intermediate plate. The invention aims to provide a core box for producing a conjoined sand core, the core box can reduce sand inclusion, core floatation and chocking quality problems of castings and improve the production efficiency of castings. The invention also provides a method for producing the conjoined sand core.
Description
Technical field
The present invention relates to producing core box and its method for Siamesed sand core, it is particularly suited for there are multiple not communication with cavity structures
The Foundry Production of lathe casting.
Background technology
For a lot of lathe castings, for example, base, saddle etc., its inner-cavity structure has multiple mutually disconnected cavitys, casting
During, produce the core of multiple corresponding casting cavity structures respectively in coremaking operation, in mould assembling operation successively by these cores
Assembled with casting mold, need during assembling, in each single core side blind rivet support, to play the effect of fixing core, after cast
Stud is merged with foundry goods, and the spacing between independent core is core cavity wall thickness.But the process of blind rivet support is easy on core
Molding sand drop in casting mold, lead to foundry goods to produce burning into sand defect, to there is also core fixing loosely simultaneously, causes core floatation and generation
Choke fire the problems such as.In addition, this production method, needs to produce multiple cores in coremaking operation, needs repeatedly in mould assembling operation
Assembling core, seriously constrains production efficiency.
Content of the invention
For problem present in correlation technique, it is an object of the invention to provide a kind of reduce foundry goods burning into sand, core floatation and
Choke fire quality problems and improve foundry goods production efficiency the core box for producing Siamesed sand core.
The present invention provides a kind of core box for producing Siamesed sand core, including：Base plate；Connected vertically with base plate at least one
Individual intermediate plate；The folding central layer being detachably connected around the periphery of intermediate plate and base plate；Sequentially pass through at least one intermediate plate simultaneously
The arbor being detachably connected with least one intermediate plate.
According to the present invention, at least one intermediate plate on base plate at equal intervals or unequal interval setting.
According to the present invention, folding central layer passes through gripping mechanism mutually locking around base plate.
According to the present invention, gripping mechanism includes screw rod, the confession screw rod that is correspondingly arranged on relative two piece folding central layer is worn
The through hole crossed and be threaded in the nut on screw rod.
According to the present invention, each at least one intermediate plate includes the intermediate plate bottom being connected with base plate, and with
Between the intermediate plate top that is detachably connected of plate bottom.
According to the present invention, intermediate plate bottom is provided with the through hole passing through for arbor, through hole with the junction on intermediate plate top
A part be located at intermediate plate bottom on, another part be located at intermediate plate top on.
According to the present invention, core box also includes cover plate, and cover plate is removably covered on the opening being surrounded by folding central layer.
The present invention also provides a kind of method producing Siamesed sand core, including：Material identical arbor with foundry goods is provided；Will
Arbor sequentially passes through at least one intermediate plate；Folding central layer is fixedly connected around the periphery of base plate；To by folding central layer and bottom
The cavity filling molding sand that plate surrounds；Dismounting folding central layer and intermediate plate after molding sand solidification, obtain the Siamesed sand core with arbor.
According to the present invention, also include clearing up floating sand and the coating on the surface being exposed to the arbor outside Siamesed sand core.
According to the present invention, the step dismantling intermediate plate includes, and first pulls down the intermediate plate top of intermediate plate, to expose arbor,
Again the Siamesed sand core with arbor is pulled down from the intermediate plate bottom of intermediate plate.
According to the present invention, the method producing Siamesed sand core is used for core box described above.
The Advantageous Effects of the present invention are：
The core box for producing Siamesed sand core of present invention fuse during mould assembling integrally fixes, it is to avoid prior art
Middle core rocks, in cast, the fiery problem of choking causing；Compared with prior art, simultaneously the present invention for producing Siamesed sand core
Core box decrease the use of the internal stud of die cavity during mould assembling, it is to avoid the burning into sand being caused due to the support of fuse side blind rivet
Problem.Therefore, casting defect is greatly reduced.
Additionally, the core box for producing Siamesed sand core of the present invention and its method make coremaking whole efficiency increase substantially,
Often connect one times of a fuse improved efficiency；And, during mould assembling, using Siamesed sand core once can multiple fuses below, close
Case production efficiency increases substantially；Therefore, efficiency multiplication.
In a word, significantly carried for producing core box and its method for Siamesed sand core, mould assembling production efficiency by the present invention
Height, choke fire, burning into sand problem of the foundry goods of production significantly improves.
Brief description
Fig. 1 is the decomposing schematic representation of an embodiment of the core box of the present invention.
Fig. 2 is the decomposing schematic representation of another embodiment of the core box of the present invention.
Fig. 3 is the schematic diagram of an embodiment of the Siamesed sand core of the present invention.
Fig. 4 is the schematic diagram of another embodiment of the Siamesed sand core of the present invention.
Specific embodiment
Embodiment shown in refer to the attached drawing is open.It will be appreciated, however, that the disclosed embodiments only can with various and
The embodiment that alternative form shows.Accompanying drawing is not necessarily drawn to scale, and it is specific to show to zoom in or out some features
The details of part.Disclosed concrete structure and functional details should not be construed as restriction, but as instructing this area
How technical staff puts into practice the representative basis of the disclosure.
Referring to figs. 1 to Fig. 2, provided by the present invention for producing the core box of Siamesed sand core, including：Base plate 1；Hang down with base plate 1
Direct-connected at least one intermediate plate 20 connecing；The folding central layer 3 being detachably connected around the periphery of intermediate plate 20 and base plate 1；Successively
The arbor 5 being detachably connected through at least one intermediate plate 20 and with least one intermediate plate 20.At least one intermediate plate 20 exists
On base plate at equal intervals or unequal interval setting.Folding central layer 3 can be two kinds of structures, a kind of for direct formed sand core structure (see
Fig. 3), another kind of inclusion upper and lower structure, sand core structure is formed at bottom, and top forms sand core head structure (as Fig. 4 institute
Show).The fuse of the core box Siamesed sand core during mould assembling for producing Siamesed sand core of the present invention is integrally fixed by arbor, keeps away
Exempt from core in prior art and rocked, in cast, the fiery problem of choking causing；Compared with prior art, being used for of the present invention simultaneously
The core box producing Siamesed sand core decreases the use of the internal stud of die cavity during mould assembling, decreases due to fuse side blind rivet
Support the burning into sand problem causing.Therefore, casting defect is greatly reduced.
Additionally, the core box for producing Siamesed sand core of the present invention and its method make coremaking whole efficiency increase substantially,
Often connect one times of a fuse improved efficiency；And, during mould assembling, using Siamesed sand core once can multiple fuses below, close
Case production efficiency increases substantially；Therefore, efficiency multiplication.
In a word, significantly carried for producing core box and its method for Siamesed sand core, mould assembling production efficiency by the present invention
Height, choke fire, burning into sand and core floatation problem of the foundry goods of production significantly improves.
Referring to figs. 1 to Fig. 2, folding central layer 3 passes through gripping mechanism 4 mutually locking around base plate 1.Gripping mechanism 4 wraps
Through hole that the confession screw rod include screw rod, being correspondingly arranged on relative two piece folding central layer 3 passes through and being threaded on screw rod
Nut.Specifically, gripping mechanism 4 is made up of screw rod and nut, and screw rod passes through one group of folding central layer 3 relatively and connected with nut
Connect, core box is fastened.
With reference to Fig. 1, each at least one intermediate plate 20 includes the intermediate plate bottom 21, Yi Jiyu being connected with base plate 1
The intermediate plate top 22 that intermediate plate bottom 21 is detachably connected.Intermediate plate bottom 21 is provided with the junction on intermediate plate top 22
The through hole passing through for arbor 5, a part 211 for through hole is located on intermediate plate bottom 21, and another part 222 is located at intermediate plate top
On 22.In the embodiment show in figure 1, the top of middle connecting plate bottom 21 is provided with upper half circular open (i.e. the one of through hole
Part 211), arbor 5 can be placed at this upper half circular open, and the quantity and spacing of semicircle opening can be according to will give birth to
Depending on the core weight produced, if core weight is larger, many arbors are needed to support, therefore the top in middle connecting plate bottom 21
Portion will open multiple upper half circular opens.The bottom on middle connecting plate top 22 is provided with lower semi-circular opening, and (i.e. through hole is another
Part 222), when middle connecting plate top 22 is connected with middle connecting plate bottom 21, their semicircle opening can dock
Form through hole.It should be appreciated that the shape of through hole can be other shapes, for example square, triangle, ellipse etc., as long as through hole
Shape can coordinate the shape of arbor 5.
With reference to Fig. 1, in a preferred embodiment, core box also includes cover plate 6, and cover plate 6 is removably covered on by opening
Close on the opening that central layer 3 surrounds.Cover plate 6 can be arranged on core case top according to the feature of sand core structure.
Reference picture 1-4, the present invention also provides a kind of method producing Siamesed sand core, including：Material phase with foundry goods is provided
Same arbor 5；Arbor 5 is sequentially passed through at least one intermediate plate 20；Folding central layer 3 is fixedly connected around the periphery of base plate 1；
To the cavity filling molding sand being surrounded by folding central layer 3 and base plate 1；Dismounting folding central layer 3 and intermediate plate 20 after molding sand solidification, obtain
To the Siamesed sand core 10 with arbor 5.The step of dismounting intermediate plate 20 includes, and first pulls down the intermediate plate top 22 of intermediate plate 20,
To expose arbor 5, then the Siamesed sand core 10 with arbor 5 is pulled down from the intermediate plate bottom 21 of intermediate plate 20.Specifically, make
Core first prepares the arbor 5 with foundry goods phase same material, during coremaking opens folding central layer 3, in subsequently passing through ready arbor 5
Between through hole in the middle part of connecting plate, then the folding central layer 3 of surrounding is fixed using gripping mechanism, then to by folding central layer
3 and base plate 1 surround cavity filling molding sand, after molding sand hardening after take gripping mechanism 4 apart, take the folding central layer 3 of surrounding apart, first take
Go out middle connecting plate top 22, further take out Siamesed sand core 10.
The method for producing Siamesed sand core of the present invention also includes clearing up and is exposed to arbor 5 outside Siamesed sand core 10
Floating sand on surface and coating.Specifically, core notices that exposed arbor 5 surface can not during cleaning sand is split, applied
There are floating sand, coating, merge with foundry goods bad after preventing cast.
Hereafter, carry out mould assembling process, directly Siamesed sand core is assembled with casting mold die cavity in mould assembling assembling process.
According to the present invention, the method producing Siamesed sand core is used for as described for the core box producing Siamesed sand core.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (11)
1. a kind of core box for producing Siamesed sand core is it is characterised in that include：
Base plate；
At least one intermediate plate connected vertically with described base plate；
The folding central layer being detachably connected around the periphery of described intermediate plate and described base plate；
Sequentially pass through at least one intermediate plate described the arbor being detachably connected with least one intermediate plate described.
2. the core box for producing Siamesed sand core according to claim 1 is it is characterised in that at least one intermediate plate described
On described base plate at equal intervals or unequal interval setting.
3. the core box for producing Siamesed sand core according to claim 1 is it is characterised in that described folding central layer passes through card
Tight device mutually locking is around described base plate.
4. the core box for producing Siamesed sand core according to claim 3 is it is characterised in that described gripping mechanism includes spiral shell
Bar, the through hole passing through for described screw rod being correspondingly arranged on relative two piece folding central layer and be threaded in described spiral shell
Nut on bar.
5. the core box for producing Siamesed sand core according to claim 1 is it is characterised in that at least one intermediate plate described
In each include the intermediate plate bottom that is connected with described base plate, and the intermediate plate being detachably connected with described intermediate plate bottom
Top.
6. the core box for producing Siamesed sand core according to claim 5 is it is characterised in that described intermediate plate bottom and institute
The junction stating intermediate plate top is provided with the through hole passing through for described arbor, and a part for described through hole is located at described intermediate plate
On bottom, another part is located on described intermediate plate top.
7. the core box for producing Siamesed sand core according to claim 1 is it is characterised in that described core box also includes covering
Plate, described cover plate is removably covered on the opening being surrounded by described folding central layer.
8. a kind of method for producing Siamesed sand core is it is characterised in that include：
Material identical arbor with foundry goods is provided；
Described arbor is sequentially passed through at least one intermediate plate；
Folding central layer is fixedly connected around the periphery of base plate；
To the cavity filling molding sand being surrounded by described folding central layer and described base plate；
Dismantle described folding central layer and described intermediate plate after the solidification of described molding sand, obtain the Siamesed sand core with described arbor.
9. the method for producing Siamesed sand core according to claim 8 is exposed to institute it is characterised in that also including cleaning
State floating sand and the coating on the surface of the arbor outside Siamesed sand core.
10. the method for producing Siamesed sand core according to claim 8 is it is characterised in that dismantle described intermediate plate
Step includes, and first pulls down the intermediate plate top of described intermediate plate, to expose described arbor, then by the described company with described arbor
Body core is pulled down from the intermediate plate bottom of described intermediate plate.
11. methods for producing Siamesed sand core according to claim 8 are it is characterised in that described production Siamesed sand core
Method be used for claim 1-7 any one of core box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504116.8A CN106424551B (en) | 2016-06-29 | 2016-06-29 | Core box for producing Siamesed sand core and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504116.8A CN106424551B (en) | 2016-06-29 | 2016-06-29 | Core box for producing Siamesed sand core and its method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106424551A true CN106424551A (en) | 2017-02-22 |
| CN106424551B CN106424551B (en) | 2018-09-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610504116.8A Active CN106424551B (en) | 2016-06-29 | 2016-06-29 | Core box for producing Siamesed sand core and its method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424551B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243598A (en) * | 2017-05-27 | 2017-10-13 | 共享装备股份有限公司 | Stiffening device for strengthening square wooden core box intensity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1442104A (en) * | 1920-03-29 | 1923-01-16 | John T Stoney | Collapsible arbor |
| CN101323009A (en) * | 2008-07-11 | 2008-12-17 | 苏州明志科技有限公司 | Cold box foundry mold |
| CN204262283U (en) * | 2014-10-15 | 2015-04-15 | 新泰（辽宁）精密设备有限公司 | Aluminium alloy casting sleeper beam elongated core segmentation core box |
| CN204353418U (en) * | 2014-12-19 | 2015-05-27 | 扬州峰明金属制品有限公司 | A kind of high accuracy core box of sand casting |
| CN204912659U (en) * | 2015-08-31 | 2015-12-30 | 盛瑞传动股份有限公司 | Novel foundry sand core side concave surface forming die |
-
2016
- 2016-06-29 CN CN201610504116.8A patent/CN106424551B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1442104A (en) * | 1920-03-29 | 1923-01-16 | John T Stoney | Collapsible arbor |
| CN101323009A (en) * | 2008-07-11 | 2008-12-17 | 苏州明志科技有限公司 | Cold box foundry mold |
| CN204262283U (en) * | 2014-10-15 | 2015-04-15 | 新泰（辽宁）精密设备有限公司 | Aluminium alloy casting sleeper beam elongated core segmentation core box |
| CN204353418U (en) * | 2014-12-19 | 2015-05-27 | 扬州峰明金属制品有限公司 | A kind of high accuracy core box of sand casting |
| CN204912659U (en) * | 2015-08-31 | 2015-12-30 | 盛瑞传动股份有限公司 | Novel foundry sand core side concave surface forming die |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243598A (en) * | 2017-05-27 | 2017-10-13 | 共享装备股份有限公司 | Stiffening device for strengthening square wooden core box intensity |
| CN107243598B (en) * | 2017-05-27 | 2019-05-17 | 共享装备股份有限公司 | For reinforcing the stiffening device of rectangular wooden core box intensity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106424551B (en) | 2018-09-18 |
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