CN110465628A - A kind of multi-cylinder large size cylinder block dewatering orifice casting circulation method and sand core component - Google Patents
A kind of multi-cylinder large size cylinder block dewatering orifice casting circulation method and sand core component Download PDFInfo
- Publication number
- CN110465628A CN110465628A CN201910884806.4A CN201910884806A CN110465628A CN 110465628 A CN110465628 A CN 110465628A CN 201910884806 A CN201910884806 A CN 201910884806A CN 110465628 A CN110465628 A CN 110465628A
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- core
- dewatering orifice
- face
- cylinder block
- large size
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000005266 casting Methods 0.000 title claims abstract description 33
- 239000008358 core component Substances 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000035515 penetration Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 2
- 238000003672 processing method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
-
- 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
- B22C9/108—Installation of cores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a kind of multi-cylinder large size cylinder block dewatering orifices to cast circulation method, which includes: to open up core print hole in the hole site that discharges water of multiple main cores, front end face core, rear end face core and mandril core；The dewatering orifice core of multistage strip is set, and dewatering orifice core may pass through core print hole；Dewatering orifice uses penetration type, segmented cored operation；Each sand core is subjected to a group core, casting obtains the cylinder block with dewatering orifice.The invention also discloses a kind of logical sand core components of multi-cylinder large size cylinder block dewatering orifice casting.Multi-cylinder large size cylinder block dewatering orifice casting circulation method of the invention and sand core component, cylinder body dewatering orifice avoid being saved the investment of process equipment using processing method perforation front and back, saving process time, promoted processing throughput；The structure that the core print hole of dewatering orifice core is installed on main core is simple, is the conical bore with pattern draft, and mold change is convenient；The structure of dewatering orifice core is simple, is the tapered cone in a both ends, easy to make easy to operate.
Description
Technical field
The present invention relates to motor cylinder casting technical fields, more specifically, it relates to a kind of multi-cylinder large size cylinder block
Dewatering orifice casts circulation method and sand core component.
Background technique
The dewatering orifice of multi-cylinder large size especially cylinder in V-arrangement body, releases cooling water remaining in each cylinder when leaving unused for machine.
The hole is connected to each cylinder holes, penetrates into rear end from cylinder block front end.Due to the limitation of product structure, in the production of cylinder block casting
In, the hole is not usually logical with forging type casting, but is all processed and penetrated through using machining mode.
Moreover, logical industrial analysis is cast in the group core process of existing casting process scheme and dewatering orifice inconvenience: process modeling is such as
Shown in attached drawing 1, existing group of core process are as follows: chassis core group 1 ' → main core, 3 ' → front end face core 5 ' → rear end face, 2 ' → left and right sides of core
Mandril core 4 ' → auxiliary sand core.Cast out dewatering orifice, need to also discharge water between two main cores and main core and front and back ends core
Hole site separate it is single place dewatering orifice core 6 ', core 6 ' places in dewatering orifice form the cylindrical hole for the outer wall of hole that discharges water when casting, such as Fig. 2 institute
Show.But due to the limitation of product structure and process structure, when dewatering orifice core 6 ' is installed or with main core 3 ', front and back end core, or
Interfere with mandril core 4 ', especially mandril core 4 ' can stop dewatering orifice core 6 ' to be placed on inboard main core 3 ' from two sides, lead
Cause is unable to complete entire core group assembling.Therefore, dewatering orifice usually cast with forging type and lead to.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to the above-mentioned deficiency of the prior art, an object of the present invention is to provide
A kind of group of core is convenient, and the good multi-cylinder large size cylinder block dewatering orifice of castability casts circulation method.
The second object of the present invention is to provide a kind of sand core component that the casting of multi-cylinder large size cylinder block dewatering orifice is logical.
To achieve the above object one, the present invention provides a kind of multi-cylinder large size cylinder block dewatering orifices to cast circulation method, the casting
Method includes: to open up core print hole in the hole site that discharges water of multiple main cores, front end face core and rear end face core；Multistage strip is set
The dewatering orifice core of shape, dewatering orifice core may pass through core print hole；Dewatering orifice uses penetration type, segmented cored operation；By each sand core
A group core is carried out, casting obtains the cylinder block with dewatering orifice.
Further, organize core process are as follows: first multiple main cores are mounted in the core group of chassis, then by front end face core and after
End face core is mounted on the both ends of main core, then installs the mandril core of cylinder body two sides；The dewatering orifice core of segmented is threaded through again
On front end face core, main core and rear end face core；Finally installation auxiliary sand core.
Further, its every section both ends will be embedded in the core print hole of main core after the dewatering orifice core cored.
As a further improvement, the core print hole is through setting in the main core, front end face core and rear end face
On core, the dewatering orifice core is installed using " penetration type " operation, each section of dewatering orifice core being initially charged among sand core group, finally
The dewatering orifice core of end face section is packed into from both ends.
Further, when casting, every section of dewatering orifice core can cast out 2~3 dewatering orifices.
To achieve the above object two, a kind of sand core component for realizing multi-cylinder large size cylinder block dewatering orifice casting circulation method, including
Chassis core group, main core, front end face core, rear end face core, mandril core and auxiliary sand core, the main core, front end face core and
The hole site that discharges water of rear end face core offers the core print hole for extending transversely through both ends setting, further includes that discharging water for multistage strip is arranged
Kong Xin, every section of dewatering orifice core are adapted with the core print hole.
Further, the core print hole both ends on the main core are equipped with the conical bore with pattern draft.
Further, the both ends of the dewatering orifice core are equipped with cone.
Further, the dewatering orifice core is arranged at least across a main core.
Beneficial effect
Compared with prior art, the beneficial effect of multi-cylinder large size cylinder block dewatering orifice of the invention casting circulation method and sand core component
Fruit is as follows: cylinder block dewatering orifice avoids being saved the investment of process equipment using processing method perforation front and back, being saved process time,
Promote processing throughput；The structure that the core print hole of dewatering orifice core is installed on main core is simple, is the conical bore with pattern draft, mould
Tool change is convenient；The structure of dewatering orifice core is simple, is the tapered cone in a both ends, easy to make easy to operate；Dewatering orifice core
Mounting means is simple to operation, only need to process its both ends and be embedded in core print hole.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the logical sand mold component assembly of multi-cylinder large size cylinder block dewatering orifice casting in the prior art；
Fig. 2 is the internal structure signal of the logical sand mold component assembly of multi-cylinder large size cylinder block dewatering orifice casting in the prior art
Figure；
Fig. 3 is the structural schematic diagram of the logical sand core component assembly of multi-cylinder large size cylinder block dewatering orifice casting of the invention；
Fig. 4 is the structural schematic diagram of the cylinder block casting in the present invention with dewatering orifice.
In figure: 1, chassis core group；2, rear end face core；3, main core；4, mandril core；5, front end face core；6, dewatering orifice core；7,
Core print hole；8, cylinder block；9, dewatering orifice.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
A specific embodiment of the invention is such that as shown in Figure 3-4 a kind of multi-cylinder large size cylinder block dewatering orifice casting is logical
Method, the casting method include: to open up core print in the hole site that discharges water of multiple main cores 3, front end face core 5 and rear end face core 2
Hole 7；The dewatering orifice core 6 of multistage strip is set, and dewatering orifice core 6 may pass through core print hole 7；Dewatering orifice uses penetration type, segmented
Cored operation；Each sand core is subjected to a group core, casting obtains the cylinder block 8 with dewatering orifice.Main core is opened up in the hole site that discharges water
The core print hole 7 of dewatering orifice core 6, the position precision after through-hole requirement guarantee water hole core installation on width and short transverse are installed；
6 sectional making of dewatering orifice core, every section can ensure casting out for 2~3 dewatering orifices 9；Dewatering orifice core 6 is pacified using " penetration type " operation
Dress, requires the both ends of each section of dewatering orifice core 6 to be embedded in the core print hole 7 of end face core and main core in the longitudinal direction.Cylinder block 8
Dewatering orifice 9 avoids being saved the investment of process equipment using processing method perforation front and back, saving process time, promoted processing
Rate；The structure that the core print hole 7 of dewatering orifice core 6 is installed on main core 3 is simple, is the conical bore with pattern draft, mold change side
Just；The structure of dewatering orifice core 6 is simple, is the tapered cone in a both ends, easy to make easy to operate；6 side of installation of dewatering orifice core
Formula is simple to operation, only need to process its both ends and be embedded in core print hole 7.
Group core process are as follows: first multiple main cores 3 are mounted in chassis core group 1, then by front end face core 5 and rear end face core
2 are mounted on the both ends of main core 3, then install the mandril core 4 of cylinder body two sides；Before the dewatering orifice core 6 of segmented is threaded through again
On end face core 5, main core 3 and rear end face core 2；Finally installation auxiliary sand core.Mandril core 4 positioned at 3 two sides of main core will not
The installation of dewatering orifice core 6 is caused to interfere.
In the present embodiment, its every section both ends will be embedded in the core print hole 7 of main core after 6 cored of dewatering orifice core.
In the present embodiment, core print hole 7 is to discharge water through being arranged on main core 3, front end face core 5 and rear end face core 2
Hole core 6 is installed using " penetration type " operation, each section of dewatering orifice core 6 being initially charged among sand core group, is finally packed into from both ends
The dewatering orifice core 6 of end face section.
In the present embodiment, when casting, every section of dewatering orifice core 6 can cast out 2~3 dewatering orifices 9.
A kind of sand core component that the casting of multi-cylinder large size cylinder block dewatering orifice is logical, including chassis core group 1, main core 3, front end face core
5, rear end face core 2, mandril core 4 and auxiliary sand core, 9 position of dewatering orifice of main core 3, front end face core 5 and rear end face core 2 is opened
Further include the dewatering orifice core 6 that multistage strip is set equipped with the core print hole 7 for extending transversely through both ends setting, every section of dewatering orifice core 6 with
Core print hole 7 is adapted.Main core 3 opens up the core print hole 7 of installation dewatering orifice core 6 in 9 position of dewatering orifice, and through-hole requires to ensure water hole
Position precision after core installation on width and short transverse；6 sectional making of dewatering orifice core, every section can ensure that 2~3 discharge water
Hole casts out；Dewatering orifice core 6 is installed using " penetration type " operation, and the both ends of each section of dewatering orifice core 6 is required to bury in the longitudinal direction
In the core print hole 7 of end face core and main core.The dewatering orifice 9 of cylinder block 8 avoids saving processing using processing method perforation front and back
The investment of equipment saves process time, promotes processing throughput；The structure in the core print hole 7 of dewatering orifice core 6 is installed on main core 3
It simply, is the conical bore with pattern draft, mold change is convenient；The structure of dewatering orifice core 6 is simple, is the tapered circle in a both ends
Cone, it is easy to make easy to operate；Core 6 mounting means in dewatering orifice is simple to operation, only need to process its both ends and be embedded in core print hole 7 i.e.
It can.
In the present embodiment, 7 both ends of core print hole on main core 3 are equipped with the conical bore with pattern draft, dewatering orifice core 6
Both ends are equipped with cone, and conical bore has guiding role, is inserted into core print hole 7 convenient for dewatering orifice core 6, prevent from scratching main core 3
Surface, it is easy to make easy to operate
In the present embodiment, dewatering orifice core 6 is arranged at least across a main core 3, needs the both ends of dewatering orifice core 6
It is embedded in core print hole 7, mounting means is simple.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, is not taking off
Under the premise of from structure of the invention, several modifications and improvements can also be made, these all will not influence the effect that the present invention is implemented
And patent practicability.
Claims (9)
1. a kind of multi-cylinder large size cylinder block dewatering orifice casts circulation method, which is characterized in that the casting method includes: in multiple main cores
(3), the hole site that discharges water of front end face core (5) and rear end face core (2) opens up core print hole (7)；Discharging water for multistage strip is set
Kong Xin (6), dewatering orifice core (6) may pass through core print hole (7)；Dewatering orifice uses penetration type, segmented cored operation；By each sand core
A group core is carried out, casting obtains the cylinder block with dewatering orifice.
2. a kind of multi-cylinder large size cylinder block dewatering orifice according to claim 1 casts circulation method, which is characterized in that group core process
Are as follows: first multiple main cores (3) are mounted in chassis core group (1), are then mounted on front end face core (5) and rear end face core (2)
The mandril core (4) of cylinder body two sides is then installed at the both ends of main core (3)；The dewatering orifice core (6) of segmented is threaded through front end again
On face core (5), main core (3) and rear end face core (2)；Finally installation auxiliary sand core.
3. a kind of multi-cylinder large size cylinder block dewatering orifice according to claim 2 casts circulation method, which is characterized in that described to discharge water
Its every section both ends will be embedded in the core print hole (7) of main core after Kong Xin (6) cored.
4. a kind of multi-cylinder large size cylinder block dewatering orifice according to claim 2 or 3 casts circulation method, which is characterized in that described
Core print hole (7) is the dewatering orifice core through setting on the main core (3), front end face core (5) and rear end face core (2)
(6) it is installed using " penetration type " operation, each section of dewatering orifice core (6) being initially charged among sand core group, is finally packed into from both ends
The dewatering orifice core (6) of end face section.
5. a kind of multi-cylinder large size cylinder block dewatering orifice according to claim 4 casts circulation method, which is characterized in that when casting,
Every section of dewatering orifice core (6) can cast out 2~3 dewatering orifices.
6. a kind of sand core component for realizing casting circulation method in multi-cylinder large size cylinder block dewatering orifice described in claim 1, including chassis
Core group (1), main core (3), front end face core (5), rear end face core (2), mandril core (4) and auxiliary sand core, which is characterized in that institute
The hole site that discharges water for stating main core (3), front end face core (5) and rear end face core (2) offers the core for extending transversely through both ends setting
Head bore (7) further includes the dewatering orifice core (6) that multistage strip is arranged, every section of dewatering orifice core (6) and the core print hole (7)
It is adapted.
7. a kind of sand core component that the casting of multi-cylinder large size cylinder block dewatering orifice is logical according to claim 6, which is characterized in that institute
Core print hole (7) both ends stated on main core (3) are equipped with the conical bore with pattern draft.
8. a kind of sand core component that the casting of multi-cylinder large size cylinder block dewatering orifice is logical according to claim 6 or 7, feature exist
In the both ends of the dewatering orifice core (6) are equipped with cone.
9. a kind of sand core component that the casting of multi-cylinder large size cylinder block dewatering orifice is logical according to claim 8, which is characterized in that institute
Dewatering orifice core (6) is stated to be arranged at least across a main core (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910884806.4A CN110465628B (en) | 2019-09-19 | 2019-09-19 | Casting method for drain holes of multi-cylinder large cylinder block and sand core assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910884806.4A CN110465628B (en) | 2019-09-19 | 2019-09-19 | Casting method for drain holes of multi-cylinder large cylinder block and sand core assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110465628A true CN110465628A (en) | 2019-11-19 |
| CN110465628B CN110465628B (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910884806.4A Active CN110465628B (en) | 2019-09-19 | 2019-09-19 | Casting method for drain holes of multi-cylinder large cylinder block and sand core assembly |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1024347A (en) * | 1996-07-10 | 1998-01-27 | Toyota Autom Loom Works Ltd | Core for water jacket of engine and core piece for forming hole as cast between cylinder bores |
| CN103978162A (en) * | 2014-05-07 | 2014-08-13 | 广西玉柴机器股份有限公司 | Casting process for elongated hole |
| CN104985133A (en) * | 2015-06-25 | 2015-10-21 | 韩城市留顺铸造有限责任公司 | Inblock cast producing method of large-sized long-strip box body provided with long-strip cavity |
| CN106238689A (en) * | 2016-08-31 | 2016-12-21 | 广西玉柴机器股份有限公司 | The process of casting engine oil channel elongated hole |
| CN107745088A (en) * | 2017-11-30 | 2018-03-02 | 四川共享铸造有限公司 | A kind of frame main oil gallery core and its manufacture method |
| CN210498264U (en) * | 2019-09-19 | 2020-05-12 | 广西玉柴机器股份有限公司 | Sand core assembly cast through drainage hole of multi-cylinder large-scale cylinder block |
-
2019
- 2019-09-19 CN CN201910884806.4A patent/CN110465628B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1024347A (en) * | 1996-07-10 | 1998-01-27 | Toyota Autom Loom Works Ltd | Core for water jacket of engine and core piece for forming hole as cast between cylinder bores |
| CN103978162A (en) * | 2014-05-07 | 2014-08-13 | 广西玉柴机器股份有限公司 | Casting process for elongated hole |
| CN104985133A (en) * | 2015-06-25 | 2015-10-21 | 韩城市留顺铸造有限责任公司 | Inblock cast producing method of large-sized long-strip box body provided with long-strip cavity |
| CN106238689A (en) * | 2016-08-31 | 2016-12-21 | 广西玉柴机器股份有限公司 | The process of casting engine oil channel elongated hole |
| CN107745088A (en) * | 2017-11-30 | 2018-03-02 | 四川共享铸造有限公司 | A kind of frame main oil gallery core and its manufacture method |
| CN210498264U (en) * | 2019-09-19 | 2020-05-12 | 广西玉柴机器股份有限公司 | Sand core assembly cast through drainage hole of multi-cylinder large-scale cylinder block |
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| Publication number | Publication date |
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| CN110465628B (en) | 2024-06-25 |
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