CN106001420A - Casting mold and method for controlling positioning dimension of sand core - Google Patents
Casting mold and method for controlling positioning dimension of sand core Download PDFInfo
- Publication number
- CN106001420A CN106001420A CN201610617833.1A CN201610617833A CN106001420A CN 106001420 A CN106001420 A CN 106001420A CN 201610617833 A CN201610617833 A CN 201610617833A CN 106001420 A CN106001420 A CN 106001420A
- Authority
- CN
- China
- Prior art keywords
- core
- locating slot
- base
- meter calibration
- calibration tank
- 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
-
- 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
- B22C9/108—Installation of 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention provides a casting mold. The casting mold comprises a casting model and a sand core positioned in a mold cavity of the casting model, wherein the sand core is provided with a V-shaped positioning groove, and the bottom side of the positioning groove and the central line in the width direction of the sand core are located in the same plane; the casting model is provided with a V-shaped correcting groove, the correcting groove is vertically orientated relative to the positioning groove, and the extension line of the bottom side of the positioning groove is located in the range of the correcting groove. According to the casting mold, the accumulated error, relative to the casting model, of each sand core can be guaranteed within a tolerance range.
Description
Technical field
The present invention relates to the location dimension control method of core in a kind of casting process, particularly to one
Casting mould and the location dimension control method of similar core assembling technology core.
Background technology
Generally, for guarantee that each core is at the fixed position of die cavity in casting process, all can be
Do on core while core print supports as core and position.For single core, do not sending out
In the case of the shape that changes and artificial reconditioning, its accuracy of gauge and Mold Making precision and core core
Head is relevant with the gap between crust, and this dimensional discrepancy is general all in the casting margin of tolerance.But,
For major part foundry goods, its core quantity is more, is limited by this body structure of foundry goods again, causes
The location of part core is to carry out second positioning on the location base of other core, thus can be wrong
The phenomenon generation that difference is accumulative.This problem is especially apparent in the production of internal combustion engine frame, produces at core assembly
In no exception.For the foundry goods that some overall sizes are bigger, core quantity is many, these cumulative errors
Get up to be likely to directly result in foundry goods to scrap.So, dimensional problem is often that some structures are special, chi
The big Key points for foundry of the one of very little foundry goods bigger than normal.
Summary of the invention
For problem present in correlation technique, it is an object of the invention to provide one can be by core
The method ensured in the margin of tolerance relative to the cumulative errors of casting mold.
The invention provides a kind of casting mould, including: casting mold and location in the die cavity of casting mold
Core；Wherein, core has in the locating slot being in the shape of the letter V, locating slot base and core width
Heart line is in the same plane；Casting mold has the meter calibration tank being in the shape of the letter V, and meter calibration tank hangs down relative to locating slot
Straight orientation, the extended line on the base of locating slot is in the range of meter calibration tank.
According to the present invention, the extended line on the base of locating slot intersects at a point with the base of meter calibration tank.
According to the present invention, 2 times of the maximum allowance that the width of locating slot allows less than foundry goods.
According to the present invention, the base angle of locating slot is 90 °-120 °.
According to the present invention, the degree of depth of locating slot and the deep equality of meter calibration tank.
It is 2mm-3mm according to the present invention, the degree of depth of locating slot and the degree of depth of meter calibration tank.
According to the present invention, a length of 40mm-60mm of meter calibration tank.
According to the present invention, core includes multiple, and multiple cores are configured to core assembly.
The present invention also provides for a kind of method controlling core location dimension, comprises the steps:
Coremaking, during core hardening molding, it is ensured that the structural integrity of the locating slot on core；
Moulding, casting mold hardened type time, it is ensured that the structural integrity of the meter calibration tank on casting mold；
Apply, locating slot and meter calibration tank carried out the protection of necessity, it is to avoid piling before applying,
Guarantee the dimensional accuracy of locating slot and meter calibration tank；
Core pattern is assembled, and is assembled in described casting mold by described core successively, during assembling each core
Observe extended line and the base of described meter calibration tank the most vertical phase in space on the base of described locating slot
Hand over；If the extended line on the base of described locating slot intersects with the base vertical of described meter calibration tank, then say
Bright described core accurate positioning；If the extended line on the base of described locating slot not with described meter calibration tank
Base vertical intersects but is in the range of described meter calibration tank, then illustrate that there is deviation the location of described core,
But in the range of this deviation is in the maximum allowance that foundry goods allows；If the base of described locating slot exceedes institute
State the scope of meter calibration tank, then this core dimension overproof is described, need to be adjusted, process.
According to the present invention, the method controlling core location dimension is applied to above-described casting pattern.
The Advantageous Effects of the present invention is:
The casting mould of the present invention is calibrated with the V-shaped on casting mold by the V-shaped locating slot on core
The vertical orientation of groove, and make the extended line on the base of locating slot be in the width range of meter calibration tank, make
Obtain operator can just may be used by the base of observation locating slot and the aligned relationship on the base of meter calibration tank
Know core location in casting mold whether in the margin of tolerance that foundry goods allows, visual in image, inspection
Efficiency is high, reduces owing to core sizing deviation causes the underproof defect of casting dimension.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the casting mould of the present invention.
Fig. 2 is the partial enlarged drawing in Fig. 1 at I.
Fig. 3 is the profile of the line A-A along Fig. 1.
Detailed description of the invention
Embodiment with reference to shown in accompanying drawing is open.It will be appreciated, however, that the disclosed embodiments are only
The embodiment that can show with various and alternative form.Accompanying drawing is not necessarily drawn to scale, and may put
Big or reduce some features to show the details of particular elements.Disclosed concrete structure and functional carefully
Joint should not be construed as restriction, but as instructing how those skilled in the art put into practice the disclosure
Representative basis.
Referring to figs. 1 through Fig. 2, the casting mould of the present invention, including: casting mold 2 and at casting mold 2
The core 1 of location in die cavity；Wherein, core 1 has the locating slot 12 being in the shape of the letter V, locating slot 12
Base 11 with core width centrage in the same plane；Casting mold 2 has the school being in the shape of the letter V
Quasi-groove 22, meter calibration tank 22 is relative to locating slot 12 vertical orientation, prolonging of the base 21 of meter calibration tank 22
Long line is in the range of the width of locating slot 12.In an optional embodiment, core 1 includes
Multiple, multiple cores 1 are configured to core assembly.Specifically, it is contained in the type of casting mold 2 due to core 1
In chamber, locating slot 12 is on the side elevation of core 1, and side elevation is towards the inwall of casting mold.Locating slot
The base of 12 coincides with the centrage of core 1, and this centrage is vertical with the width of core.Sand
After core 1 assembles with casting mold 2, casting mold 2 corresponds to the position of locating slot 12 and is perpendicular to core 1 and casting
Die joint between type 2 is provided with the meter calibration tank 22 that cross sectional shape is triangle, the base of meter calibration tank 22
The extended line of 21 is in the width range of locating slot 12.The casting mould of the present invention is by the V on core
The vertical orientation of the V-shaped meter calibration tank on font locating slot and casting mold, and make the prolonging of base of locating slot
Long line is in the width range of meter calibration tank so that operator can be by observing the base of locating slot
With the aligned relationship on the base of meter calibration tank, just may know that whether core location in casting mold permits at foundry goods
In the range of the maximum allowance permitted, visual in image, checkability is high, reduces due to core sizing
Deviation causes the underproof defect of casting dimension.
With reference to Fig. 2 to Fig. 3, the extended line on the base 12 of locating slot 12 and the base 21 of meter calibration tank 22
Intersect at a point.The bottom line 11 of locating slot 12 and the bottom line 21 of meter calibration tank 22 intersect in space
A bit, after core pattern assembling, naked eyes can be clearly visible the base 11 of locating slot 12 and the base of meter calibration tank 22
21 intersect, then accurate positioning is described, if the extended line on base 11 and the base 21 of meter calibration tank 22
Mistake does not has intersection point partially, illustrates that size has the base 21 of deviation, the extended line on base 11 and meter calibration tank 22
Between relative distance the longest explanation dimensional discrepancy the biggest, as long as meeting this relative distance without departing from calibration
The scope of the width d of groove 21, thus can guarantee that foundry goods overall dimensions is in the range of tolerance.
With reference to the maximum allowance that Fig. 3, the width d of meter calibration tank 22 allow less than or equal to foundry goods 2 times.
In a preferred embodiment, 2 times of the maximum allowance that the width d of meter calibration tank 22 allows less than foundry goods,
So can ensure the extended line on the base 11 of locating slot 12 and the base 21 of meter calibration tank 22 fully
Between the relative distance scope without departing from the width d of meter calibration tank 22.
With reference to Fig. 2 to Fig. 3, degree of depth a of locating slot 12 is equal with degree of depth b of meter calibration tank 22.Location
Degree of depth a of groove and degree of depth b of meter calibration tank are 2mm-3mm.The base angle β of locating slot 12 is 90 °
-120 °, the base angle of meter calibration tank 22 is 90 °-120 °.With reference to Fig. 1, meter calibration tank 22 a length of
40mm-60mm.Locating slot 1 and meter calibration tank 2 can expand design size according to practical situation, it is simple to
Observe location the most accurate.
The present invention also provides for a kind of method controlling core location dimension, comprises the steps:
Coremaking, during core hardening molding, it is ensured that the structural integrity of the locating slot on core；
Moulding, casting mold hardened type time, it is ensured that the structural integrity of the meter calibration tank on casting mold；
Apply, locating slot and meter calibration tank carried out the protection of necessity, it is to avoid piling before applying,
Guarantee the dimensional accuracy of locating slot and meter calibration tank；
Core pattern is assembled, and is assembled in described casting mold by described core successively, during assembling each core
Observe extended line and the base of described meter calibration tank the most vertical phase in space on the base of described locating slot
Hand over；If the extended line on the base of described locating slot intersects with the base vertical of described meter calibration tank, then say
Bright described core accurate positioning；If the extended line on the base of described locating slot not with described meter calibration tank
Base vertical intersects but is in the range of described meter calibration tank, then illustrate that there is deviation the location of described core,
But in the range of this deviation is in the maximum allowance that foundry goods allows；If the base of described locating slot exceedes institute
State the scope of meter calibration tank, then this core dimension overproof is described, need to be adjusted, process.
According to the present invention, the method controlling core location dimension is applied to above-described casting pattern.
The present invention is Design Orientation groove structure on core, designs meter calibration tank, after core pattern assembling on casting mold
By observing the base on the base of locating slot and meter calibration tank relative distance in space, it is judged that core is fixed
Whether position size exceedes the margin of tolerance, visual in image, and checkability is high, reduces due to core size
Deviations causes the defect that casting dimension does not conforms to.The method is simple to operate.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for ability
For the technical staff in territory, the present invention can have various modifications and variations.All spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included in the guarantor of the present invention
Within the scope of protecting.
Claims (10)
1. a casting mould, it is characterised in that including:
Casting mold and the core positioned in the die cavity of described casting mold；
Wherein, described core has the locating slot being in the shape of the letter V, described locating slot base and described core
Width centrage in the same plane；Described casting mold has the meter calibration tank being in the shape of the letter V, school
Quasi-groove is in described school relative to described locating slot vertical orientation, the extended line on the base of described locating slot
In the range of quasi-groove.
Casting mould the most according to claim 1, it is characterised in that the base of described locating slot
The base of extended line and described meter calibration tank intersect at a point.
Casting mould the most according to claim 1, it is characterised in that the width of described locating slot
Less than the maximum allowance that foundry goods allows 2 times.
Casting mould the most according to claim 1, it is characterised in that the base angle of described locating slot
It it is 90 °-120 °.
Casting mould the most according to claim 1, it is characterised in that the degree of depth of described locating slot
Deep equality with described meter calibration tank.
Casting mould the most according to claim 1, it is characterised in that the degree of depth of described locating slot
It is 2mm-3mm with the degree of depth of described meter calibration tank.
Casting mould the most according to claim 1, it is characterised in that the length of described meter calibration tank
For 40mm-60mm.
Casting mould the most according to claim 1, it is characterised in that described core includes multiple,
The plurality of core is configured to core assembly.
9. the method controlling core location dimension, it is characterised in that comprise the steps:
Coremaking, during core hardening molding, it is ensured that the structural integrity of the locating slot on described core；
Moulding, casting mold hardened type time, it is ensured that the structural integrity of the meter calibration tank on described casting mold；
Apply, locating slot and meter calibration tank carried out the protection of necessity, it is to avoid piling before applying,
Guarantee the dimensional accuracy of locating slot and meter calibration tank；
Core pattern is assembled, and is assembled in described casting mold by described core successively, during assembling each core
Observe extended line and the base of described meter calibration tank the most vertical phase in space on the base of described locating slot
Hand over；If the extended line on the base of described locating slot intersects with the base vertical of described meter calibration tank, then say
Bright described core accurate positioning；If the extended line on the base of described locating slot not with described meter calibration tank
Base vertical intersects but is in the range of described meter calibration tank, then illustrate that there is deviation the location of described core,
But in the range of this deviation is in the maximum allowance that foundry goods allows；If the base of described locating slot exceedes institute
State the scope of meter calibration tank, then this core dimension overproof is described, need to be adjusted, process.
The method of control core location dimension the most according to claim 9, it is characterised in that
The casting described in any one that the method for described control core location dimension is applied in claim 1-8
Model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617833.1A CN106001420B (en) | 2016-07-29 | 2016-07-29 | Casting mould and the method for controlling sand core location dimension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617833.1A CN106001420B (en) | 2016-07-29 | 2016-07-29 | Casting mould and the method for controlling sand core location dimension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106001420A true CN106001420A (en) | 2016-10-12 |
| CN106001420B CN106001420B (en) | 2018-05-08 |
Family
ID=57114335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610617833.1A Active CN106001420B (en) | 2016-07-29 | 2016-07-29 | Casting mould and the method for controlling sand core location dimension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106001420B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439873A (en) * | 2020-11-30 | 2021-03-05 | 安徽江淮汽车集团股份有限公司 | Combined sand mold structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070151698A1 (en) * | 2006-01-03 | 2007-07-05 | Chai-Chi Yu | Molding assembly and method for making a crank |
| CN201677000U (en) * | 2010-03-30 | 2010-12-22 | 自贡长征精密铸锻有限公司 | Casting sand core standard fastening device |
| DE102011077666A1 (en) * | 2011-06-16 | 2012-12-20 | Heinrich Wagner Sinto Maschinenfabrik Gmbh | Method for position of mold in flask, involves correcting assembly position of mold cavity of mold with respect to reference position |
| CN103008557A (en) * | 2012-12-18 | 2013-04-03 | 杭州杭氧铸造有限公司 | Casting core assembly of compressor casing and moulding method of same |
| CN203330356U (en) * | 2013-07-19 | 2013-12-11 | 浙江汉声精密机械有限公司 | Sand core positioning structure |
| CN203696844U (en) * | 2014-02-20 | 2014-07-09 | 中山市华志模具精密设备科技有限公司 | Internal mold processing locator |
-
2016
- 2016-07-29 CN CN201610617833.1A patent/CN106001420B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070151698A1 (en) * | 2006-01-03 | 2007-07-05 | Chai-Chi Yu | Molding assembly and method for making a crank |
| CN201677000U (en) * | 2010-03-30 | 2010-12-22 | 自贡长征精密铸锻有限公司 | Casting sand core standard fastening device |
| DE102011077666A1 (en) * | 2011-06-16 | 2012-12-20 | Heinrich Wagner Sinto Maschinenfabrik Gmbh | Method for position of mold in flask, involves correcting assembly position of mold cavity of mold with respect to reference position |
| CN103008557A (en) * | 2012-12-18 | 2013-04-03 | 杭州杭氧铸造有限公司 | Casting core assembly of compressor casing and moulding method of same |
| CN203330356U (en) * | 2013-07-19 | 2013-12-11 | 浙江汉声精密机械有限公司 | Sand core positioning structure |
| CN203696844U (en) * | 2014-02-20 | 2014-07-09 | 中山市华志模具精密设备科技有限公司 | Internal mold processing locator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439873A (en) * | 2020-11-30 | 2021-03-05 | 安徽江淮汽车集团股份有限公司 | Combined sand mold structure |
| CN112439873B (en) * | 2020-11-30 | 2021-10-29 | 安徽江淮汽车集团股份有限公司 | Combined sand mold structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106001420B (en) | 2018-05-08 |
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