CN104368751B - A kind of hand moulding method of exhaustor - Google Patents
A kind of hand moulding method of exhaustor Download PDFInfo
- Publication number
- CN104368751B CN104368751B CN201410557024.7A CN201410557024A CN104368751B CN 104368751 B CN104368751 B CN 104368751B CN 201410557024 A CN201410557024 A CN 201410557024A CN 104368751 B CN104368751 B CN 104368751B
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- CN
- China
- Prior art keywords
- apperance
- pipeline section
- sand
- make
- lower mold
- Prior art date
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Classifications
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- 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
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
Abstract
The invention discloses a kind of hand moulding method of exhaustor, hand moulding method comprises the steps: to mark parting line in apperance, forming continuous print horizontal line with the second reinforcement, vertical bump joint, the second pipeline section, reinforcing plate and the corresponding parting line of the first reinforcement, the outside parting line in sinking and bending portion extends to the end face of the first pipeline section along the central axis of the first pipeline section；Wherein horizontal flange joint is as independent apperance loose piece；Make false case；Make sand lump of living；Make lower mold；Make upper mold；Depanning.This hand moulding method replaces the intermediate box in three-cavity moulding to carry out moulding with little sand lump alive, this work sand lump is embedded in lower mold, avoiding repeatedly digs sand in three-cavity moulding forms the operation of multiple die joints, greatly reduce the inconvenience that molding brings, simplify formative technology, improve the precision of cored, decrease the error that inclined case brings, decrease the appearance of sharp sand in casting mold simultaneously, improve product quality.
Description
Technical field
The present invention relates to casting field, particularly to a kind of hand moulding method of exhaustor.
Background technology
Special for structure and that yield is the highest foundry goods, it is not necessary that in employing, the mode of machine core shooting produces,
Prior art generally use the mode of manual three-cavity moulding produce.
Fig. 1 shows the apperance 1 of exhaustor.Three casees hand moulding modes of prior art are as follows:
1, apperance 1 being divided into three parts, Part I is horizontal flange joint 13, and Part II is upper casting
Type part 3, Part III is lower mold part 4.
2, horizontal flange joint 13 is placed on lower mold to make, when moulding, needs to adjust apperance 1
Placed angle, the plane making horizontal flange joint 13 is vertical with number of unmolulding directions, it is ensured that horizontal flange joint
The plane of 13 can normally molding.
3, the mid portion of apperance 1 is made in intermediate box, now need to dig out level in lower mold
The placement location of bump joint, makes curved surface typing, puts into well, ingate mould simultaneously, makes
Intermediate box.
4, curved surface typing is dug out in the maximum cross-section along exhaustor, it is ensured that mould can normally molding, simultaneously
Place aerofluxus rod, sprue, mould running channel making upper mold, complete three-cavity moulding.
But, the mode of three-cavity moulding not only inconvenience but also be difficult to ensure quality, three-cavity moulding easily produces point
Angle sand lump, easily there are the sand holes that butterfly-shaped shortbread causes in product；The most multiple mould assembling coordinates, and error easily produces folded
Add, cause last product to there will be inclined case excessive, it is difficult to ensure the dimensional requirement of product.
The information being disclosed in this background section is merely intended to increase the reason of the general background to the present invention
Solve, and be not construed as recognizing or imply in any form that this information structure is for this area general technology
Prior art well known to personnel.
Summary of the invention
It is an object of the invention to provide a kind of hand moulding method of exhaustor, add sand lump alive by hand two casees
Sculpting method, thus overcome the three-cavity moulding mode of prior art not only inconvenient but also be difficult to ensure quality
Defect.
For achieving the above object, the invention provides a kind of hand moulding method of exhaustor, hand moulding
Method comprises the steps: to provide apperance, and apperance includes the first pipeline section and the second pipeline section, the first pipeline section and
Being provided with horizontal bends between second pipeline section, on the first pipeline section, the position near end is provided with sinking and bending portion,
The end face of the first pipeline section is provided with horizontal flange joint, and the end face of the second pipeline section is provided with vertical bump joint,
It is provided with the vertical reinforcing plate of the lateral surface extension along the second pipeline section near the outside of horizontal bends, is adding
Strong the first reinforcement being provided with level between plate and sinking and bending portion, is provided with water in the inner side of horizontal bends
The second flat reinforcement；Apperance marks parting line clearly, connects with the second reinforcement, vertical flange
Head, the second pipeline section, reinforcing plate and the corresponding parting line of the first reinforcement form continuous print horizontal line,
The outside parting line in sinking and bending portion extends to the end face of the first pipeline section along the central axis of the first pipeline section；
Wherein horizontal flange joint is as independent apperance loose piece；Make false case: apperance be inverted, along typing
Line, makes false case with upper mold part for apperance；Make sand lump of living: use self-hardening sand in sinking and bending portion
Inner side make live sand lump；Make lower mold: be placed in sandbox by vacation case, using vacation case as template,
Sand lump alive and apperance loose piece are placed on the relevant position of apperance, place ingate, well, spread
Good tap sand, then makes lower mold；Make upper mold: overturn the lower mold made, take off false case,
Then with lower mold as template, place aerofluxus rod, directly water rod, cross gate, upper apperance, spread typing
Sand, makes upper mold；Depanning: take off the upper mold made, then will not comprise the mould of apperance loose piece
Sample takes out from lower mold, sand lump the most alive and apperance loose piece is taken out from lower mold.
Preferably, in technique scheme, false case uses the molding sand of high rigidity to make.
Compared with prior art, there is advantages that
This hand moulding method replaces the intermediate box in three-cavity moulding to carry out moulding with little sand lump alive, should
Sand lump of living is embedded in lower mold, it is to avoid repeatedly digging sand in three-cavity moulding forms the operation of multiple die joints,
Greatly reduce the inconvenience that molding brings, simplify formative technology, improve the precision of cored, decrease
The error that partially case brings, decreases the appearance of sharp sand in casting mold simultaneously, reduce produce sand hole can
Can, improve product quality.
Accompanying drawing explanation
Fig. 1 is the structure chart of the apperance according to the present invention.
Main Reference Numerals illustrates:
1-apperance, 11-the first pipeline section, 111-sinking and bending portion, 12-the second pipeline section, 13-horizontal flange joint,
The vertical bump joint of 14-, 15-reinforcing plate, 16-the first reinforcement, 2-die joint, 3-upper mold part, 4-
Lower mold part, 5-sand position alive.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is described in detail, it is to be understood that this
The protection domain of invention is not limited by detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " bag
Include " or its conversion as " comprising " or " including " etc. will be understood to comprise stated element or
Ingredient, and do not get rid of other element or other ingredient.
As it is shown in figure 1, the hand moulding method according to the exhaustor of the specific embodiment of the invention is targeted
Apperance 1 include the first pipeline section 11 and the second pipeline section 12, set between the first pipeline section 11 and the second pipeline section 12
There is horizontal bends (not shown).On first pipeline section 11, the position near end is provided with sinking and bending
Portion 111, the end face of the first pipeline section 11 is provided with horizontal flange joint 13.Set on the end face of the second pipeline section 12
There is vertical bump joint 14.It is provided with the lateral surface along the second pipeline section 12 to extend near the outside of horizontal bends
Vertical reinforcing plate 15, be provided with between reinforcing plate 15 and sinking and bending portion 111 level first reinforcement
Muscle 16, is provided with the second reinforcement of level in the inner side of horizontal bends.
The hand moulding method of the present invention is as follows:
1, parting line 2 as shown in Figure 1, marks parting line clearly in apperance 1.Strengthen with second
Muscle, vertical bump joint the 14, second pipeline section 12, reinforcing plate 15 and the first reinforcement 16 divide accordingly
Molded line 2 forms continuous print horizontal line, parting line 2 in the outside in sinking and bending portion 111 along the first pipeline section
The central axis of 11 extends to the end face (end face being i.e. connected) of the first pipeline section 11 with horizontal flange joint 13.
Owing to horizontal flange joint 13 has vertical axis, it is impossible to molding together with other parts, therefore, water
Plane face flange joint 13 separates with other positions of apperance 2, as independent apperance loose piece, it is simple to molding.
2, false case is made: the apperance (not including apperance loose piece) shown in Fig. 1 be inverted, make upper mold portion
Divide 3 lower sections being positioned at lower mold part 4, along parting line 2, make vacation with upper mold part 3 for apperance
Case, lower mold part 4 is exposed to the end face of false case.
3, sand lump of living is made: use self-hardening sand to make sand lump of living, Fig. 1 in the inner side in sinking and bending portion 111
Middle sand position 5 alive shows the position of sand lump alive.Sand lump of living needs to use hand finish, live sand lump and mould
The part that sample combines keeps consistent with the original shape of appropriate section in apperance, and other outer surfaces of sand lump of living have
Draft, it is ensured that living sand lump can be with depanning.
4, lower mold is made: be placed in sandbox by vacation case, using vacation case as template, adjust apperance
The orientation of 1, by living, sand lump and apperance loose piece are placed on the relevant position of apperance 1, place ingate,
Well, with guarantee apperance loose piece (i.e. horizontal flange interface 13) can normally depanning, spread tap sand,
Then lower mold is made.
5, make upper mold: upset lower mold, take off false case, make apperance and sand lump of living stay in lower mold,
Then with lower mold as template, place aerofluxus rod, directly water rod, cross gate, upper apperance, spread typing
Sand, makes upper mold.
6, depanning: take off upper mold, then takes out the apperance not comprising apperance loose piece from lower mold,
Sand lump the most alive and apperance loose piece are taken out from lower mold, complete the moulding of upper mold and lower mold.
Preferably, false case uses the molding sand that hardness is higher to make, it is simple to repeatedly Reusability vacation case, improves
The efficiency of moulding and molding quality.
This hand moulding method replaces the intermediate box in three-cavity moulding to carry out moulding with little sand lump alive, should
Sand lump of living is embedded in lower mold, it is to avoid repeatedly digging sand in three-cavity moulding forms the operation of multiple die joints,
Greatly reduce the inconvenience that molding brings, simplify formative technology, improve the precision of cored, decrease
The error that partially case brings, decreases the appearance of sharp sand in casting mold simultaneously, reduce produce sand hole can
Can, improve product quality.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.
These descriptions are not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned
Teaching, can much change and change.The purpose selected exemplary embodiment and describe exists
In explaining the certain principles of the present invention and actual application thereof, so that those skilled in the art can be real
Now and utilize the various different exemplary of the present invention and various different selection and change.
The scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (2)
1. the hand moulding method of an exhaustor, it is characterised in that described hand moulding method include as
Lower step:
Thering is provided apperance, described apperance includes the first pipeline section and the second pipeline section, described first pipeline section and described the
Being provided with horizontal bends between two pipeline sections, on described first pipeline section, the position near end is provided with sinking and bending
Portion, the end face of described first pipeline section is provided with horizontal flange joint, and the end face of described second pipeline section is provided with
Vertically bump joint, the lateral surface being provided with along described second pipeline section near the outside of described horizontal bends prolongs
The vertical reinforcing plate stretched, is provided with the first of level between described reinforcing plate and described sinking and bending portion and adds
Strong muscle, is provided with the second reinforcement of level in the inner side of described horizontal bends；
Apperance marks parting line clearly, with described second reinforcement, described vertical bump joint,
Described second pipeline section, described reinforcing plate and the described first corresponding described parting line of reinforcement are formed continuously
Horizontal line, the described parting line in outside in sinking and bending portion extends to along the central axis of the first pipeline section
The end face of described first pipeline section；Wherein said horizontal flange joint is as independent apperance loose piece；
Make false case: the described apperance not including described apperance loose piece be inverted, along described parting line,
False case is made for apperance with upper mold part；
Make sand lump of living: use self-hardening sand to make, in the inner side in described sinking and bending portion, sand lump of living；
Make lower mold: be placed in sandbox by described false case, using described false case as template, by described
Sand lump alive and described apperance loose piece are placed on the relevant position of described apperance, place ingate, cast gate
Nest, has spread tap sand, then makes lower mold；
Make upper mold: overturn the lower mold made, take off described false case, then with described lower mold
For template, place aerofluxus rod, directly water rod, cross gate, upper apperance, spread tap sand, making is cast
Type；
Depanning: take off the upper mold made, then by do not comprise the described apperance of described apperance loose piece from
Described lower mold is taken out, the most successively by described sand lump alive and described apperance loose piece from described lower mold
Take out.
The hand moulding method of exhaustor the most according to claim 1, it is characterised in that described vacation
Case uses the molding sand of high rigidity to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557024.7A CN104368751B (en) | 2014-10-20 | 2014-10-20 | A kind of hand moulding method of exhaustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557024.7A CN104368751B (en) | 2014-10-20 | 2014-10-20 | A kind of hand moulding method of exhaustor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104368751A CN104368751A (en) | 2015-02-25 |
| CN104368751B true CN104368751B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410557024.7A Active CN104368751B (en) | 2014-10-20 | 2014-10-20 | A kind of hand moulding method of exhaustor |
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| CN (1) | CN104368751B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296451A (en) * | 2018-01-26 | 2018-07-20 | 共享智能铸造产业创新中心有限公司 | The parting and its parting scheme of automobile engine exhaust manifold |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6261754A (en) * | 1985-09-11 | 1987-03-18 | Asahi Malleable Iron Co Ltd | Casting method using composite core mold |
| CN102527947B (en) * | 2012-01-16 | 2013-05-01 | 广西玉林玉柴机器配件制造有限公司 | Casting method of thin-walled pipe casting with spatially asymmetric structure |
| CN102873279B (en) * | 2012-09-29 | 2015-06-10 | 西峡县众德汽车部件有限公司 | Method for producing heat-resistant steel automobile exhaust pipes by iron mold sand lining process |
| CN103357821B (en) * | 2013-07-26 | 2015-04-08 | 广西玉林玉柴机器配件制造有限公司 | Method for casting box-type complex water-cooling exhaust pipe by using iron mold coated sand |
| CN203751261U (en) * | 2014-02-12 | 2014-08-06 | 玉林市科创机械有限公司 | Exhaust pipe casting mold |
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| CN104368751A (en) | 2015-02-25 |
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