CN107737884A - A kind of casting method of bowl of head cardioid ring - Google Patents
A kind of casting method of bowl of head cardioid ring Download PDFInfo
- Publication number
- CN107737884A CN107737884A CN201711103975.7A CN201711103975A CN107737884A CN 107737884 A CN107737884 A CN 107737884A CN 201711103975 A CN201711103975 A CN 201711103975A CN 107737884 A CN107737884 A CN 107737884A
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- China
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- loam core
- molten iron
- bowl
- head
- matched moulds
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Adornments (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
The present invention relates to the casting method of a kind of bowl of head cardioid ring.This method comprises the following steps：Step 1：Make mixed sand；Step 2：Make bowl head loam core；Step 3：Make cardioid ring loam core；Step 4：Make matched moulds；Step 5：Make molten iron；Step 6：Casting molten iron；Step 7：Make semi-finished product；Step 8：Semi-finished product melt down；Step 9：Semi-finished product are inspected by random samples；Step 10：Polish zinc-plated；Step 11：Secondary check, step 12：Finished product packing.Due to manufacturing bowl head loam core and cardioid ring loam core respectively, bowl head loam core and cardioid ring loam core machine-shaping are easily facilitated, is easy to processing to form matched moulds, and due to the presence of matched moulds, be easy to molten iron to cast to form bowl head cardioid ring, at the same this method more in detail, science, percent defective it is low.
Description
Technical field
The present invention relates to bowl head cardioid loop technique field, more particularly to the casting method of a kind of bowl of head cardioid ring.
Background technology
The processing method that forging socket-clevis eye is disclosed in existing Chinese patent database, its number of patent application are：
201610191169.9 the applying date is：2016.03.29, application publication number is：The A of CN 107234198, data of publication of application are：
2017.10.10, the processing method includes following process：A blankings；B jumping-up bases；C monobloc forging product shapes；D trimmings；E rushes ball
Socket bore；F polishing burrs；G galvanizings.It is disadvantageous in that：This method is only used for forging socket-clevis eye, is not suitable for casting
Make bowl head cardioid ring.
The content of the invention
The purpose of the present invention is in view of the deficienciess of the prior art, providing a kind of casting for the bowl head cardioid ring that can cast
Method.
In order to realize the purpose of foregoing invention, the technical solution used in the present invention：
The casting method of a kind of bowl of head cardioid ring, comprises the following steps：
Step 1：Make mixed sand, by industrial sand, anthracite powder, clay parts by weight according to 3:1:1 ratio mixing, stir,
Obtain mixed husky standby；
Step 2：Bowl head loam core is made, is loaded into after quartz sand and bath of glass are stirred and evenly mixed among the aluminum dipping form of bowl head, then to
It is blown into the carbon dioxide of 20 minutes in filler in aluminum dipping form, carbon dioxide makes filler shaping of hardening form bowl head loam core, takes
Go out bowl head loam core, the brushing quick drying paint in bowl head loam core is standby by the bowl head core baking brushed with quick drying paint；
Step 3：Cardioid ring loam core is made, the mixed sand in step 1 is loaded into the formwork of cardioid ring-type, will be loaded with drift
Mixed husky ramming in formwork, then formwork is turned, with drift, ramming is mixed husky again, repeats above procedure, then rises out
Formwork, cardioid ring loam core is obtained, toast cardioid ring loam core with blowtorch, when the surface temperature of careful type ring loam core reaches 600 DEG C, close
Close blowtorch and stop baking, finally the brushing quick drying paint in cardioid ring loam core, start blowtorch, continue to toast cardioid ring mud with blowtorch
Core, when the surface temperature of careful type ring loam core reaches 300 DEG C, close blowtorch and stop baking, the cardioid ring loam core of shaping is standby；
Step 4：Matched moulds is made, bowl head loam core and cardioid ring loam core are fixed, it is ensured that bowl head loam core can with cardioid ring loam core
Corresponding bowl head cardioid ring is cast, the bowl head loam core of split and cardioid ring loam core surrounding are enclosed with mixed sand hill, tamp formation conjunction
Mould, matched moulds is toasted with blowtorch, when the surface temperature of matched moulds reaches 600 DEG C, close blowtorch and stop baking, brushed on matched moulds fast
Dried paint, restart blowtorch, continue to toast matched moulds with blowtorch, when the surface temperature of matched moulds reaches 300 DEG C, close blowtorch and stop
Baking, it is the matched moulds of shaping is standby, it is ensured that matched moulds is cast molten iron within 2 hours；
Step 5：Molten iron is made, starts electric furnace, 1/3rd steel scraps for manufacturing total iron needed for a bowl head cardioid ring are put into
In electric furnace, treat that it is melted into molten iron, carburant is added in molten iron, is then pressed in carburant with 1/3rd steel scraps of total iron
On, after carburant and steel scrap melt, then carburant is added in molten iron, increasing is pressed in 1/3rd steel scraps of last total iron
In carbon agent, treat that carburant and steel scrap all melt to form molten iron completely；
Step 6：Casting molten iron, 1400 DEG C are risen to by the temperature of molten iron, and molten iron taken amount is analyzed using carbon content analysis instrument, examined
Whether each element, if any error, is modulated in critical field to molten iron, rises to qualified molten iron temperature after modulation is qualified
1650 DEG C, molten iron is cast in matched moulds, the rising head of molten iron casting is covered with heat preserving agent；
Step 7：Semi-finished product are made, make molten iron cooled and solidified in matched moulds, when molten iron is down to 300 DEG C, the semi-finished product of solidification are turned over
Go out, remove rising head, clear husky, polishing checks whether defective, and certified products is loaded in chase；
Step 8：Semi-finished product are melted down, and certified products is loaded in tempering furnace, furnace temperature is risen into 300 DEG C, constant temperature 10 minutes, allowed
Certified products is heated evenly, and hereafter often rises 200 DEG C, constant temperature 10 minutes, when temperature rises to 980 DEG C, constant temperature closes tempering after 2 hours
Stove, 400 DEG C are down to when being tempered in-furnace temperature, tempering furnace fire door is opened, cools down certified products；
Step 9：Semi-finished product are inspected by random samples, and the certified products after melting down is delivered into laboratory sampling observation, the composition of certified products chemically examined and right
Certified products carries out pull test, and next procedure is carried out after qualified；
Step 10：Polish zinc-plated, certified products is delivered into job shop, refined according to drawing, then zinc-plated processing again；
Step 11：Secondary check, zinc-plated certified products is examined again, the composition of certified products is chemically examined and certified products is carried out
Pull test, dezincify thorn, obtains finished product；
Step 12：Finished product packing, with hermetic bag by final package, labelled in hermetic bag.
Compared with prior art, beneficial effects of the present invention are：Due to manufacturing bowl head loam core and cardioid ring loam core respectively, more
Add and be easy to bowl head loam core and cardioid ring loam core machine-shaping, be easy to processing to form matched moulds, and due to the presence of matched moulds, be easy to molten iron
Casting forms bowl head cardioid ring, at the same this method more in detail, science, percent defective it is low.
In order that cardioid ring loam core is more firm, thin rod is provided with the corner in the formwork.
For the ease of dismantling, formwork takes out cardioid ring loam core, and the formwork is wooden model.
Embodiment
The casting method of a kind of bowl of head cardioid ring, comprises the following steps：
Step 1：Make mixed sand, by industrial sand, anthracite powder, clay parts by weight according to 3:1:1 ratio mixing, stir,
Obtain mixed husky standby；
Step 2：Bowl head loam core is made, is loaded into after quartz sand and bath of glass are stirred and evenly mixed among the aluminum dipping form of bowl head, then to
It is blown into the carbon dioxide of 20 minutes in filler in aluminum dipping form, carbon dioxide makes filler shaping of hardening form bowl head loam core, takes
Go out bowl head loam core, the brushing quick drying paint in bowl head loam core is standby by the bowl head core baking brushed with quick drying paint；
Step 3：Cardioid ring loam core is made, the mixed sand in step 1 is loaded into the formwork of cardioid ring-type, will be loaded with drift
Mixed husky ramming in formwork, then formwork is turned, with drift, ramming is mixed husky again, above procedure is repeated, in order that the heart
Type ring loam core is more firm, and thin rod is provided with the corner in the formwork, then plays out formwork, obtains cardioid ring loam core, is
Formwork of being easy to dismantle takes out cardioid ring loam core, and the formwork be wooden model, and cardioid ring loam core, careful type ring loam core are toasted with blowtorch
Surface temperature when reaching 600 DEG C, close blowtorch and stop baking, the last brushing quick drying paint in cardioid ring loam core, start spray
Lamp, continue to toast cardioid ring loam core with blowtorch, when the surface temperature of careful type ring loam core reaches 300 DEG C, close blowtorch and stop drying
It is roasting, the cardioid ring loam core of shaping is standby；
Step 4：Matched moulds is made, bowl head loam core and cardioid ring loam core are fixed, it is ensured that bowl head loam core can with cardioid ring loam core
Corresponding bowl head cardioid ring is cast, the bowl head loam core of split and cardioid ring loam core surrounding are enclosed with mixed sand hill, tamp formation conjunction
Mould, matched moulds is toasted with blowtorch, when the surface temperature of matched moulds reaches 600 DEG C, close blowtorch and stop baking, brushed on matched moulds fast
Dried paint, restart blowtorch, continue to toast matched moulds with blowtorch, when the surface temperature of matched moulds reaches 300 DEG C, close blowtorch and stop
Baking, it is the matched moulds of shaping is standby, it is ensured that matched moulds is cast molten iron within 2 hours；
Step 5：Molten iron is made, starts electric furnace, 1/3rd steel scraps for manufacturing total iron needed for a bowl head cardioid ring are put into
In electric furnace, treat that it is melted into molten iron, carburant is added in molten iron, is then pressed in carburant with 1/3rd steel scraps of total iron
On, after carburant and steel scrap melt, then carburant is added in molten iron, increasing is pressed in 1/3rd steel scraps of last total iron
In carbon agent, treat that carburant and steel scrap all melt to form molten iron completely；
Step 6：Casting molten iron, 1400 DEG C are risen to by the temperature of molten iron, and molten iron taken amount is analyzed using carbon content analysis instrument, examined
Whether each element, if any error, is modulated in critical field to molten iron, rises to qualified molten iron temperature after modulation is qualified
1650 DEG C, molten iron is cast in matched moulds, the rising head of molten iron casting is covered with heat preserving agent；
Step 7：Semi-finished product are made, make molten iron cooled and solidified in matched moulds, when molten iron is down to 300 DEG C, the semi-finished product of solidification are turned over
Go out, remove rising head, clear husky, polishing checks whether defective, and certified products is loaded in chase；
Step 8：Semi-finished product are melted down, and certified products is loaded in tempering furnace, furnace temperature is risen into 300 DEG C, constant temperature 10 minutes, allowed
Certified products is heated evenly, and hereafter often rises 200 DEG C, constant temperature 10 minutes, when temperature rises to 980 DEG C, constant temperature closes tempering after 2 hours
Stove, 400 DEG C are down to when being tempered in-furnace temperature, tempering furnace fire door is opened, cools down certified products；
Step 9：Semi-finished product are inspected by random samples, and the certified products after melting down is delivered into laboratory sampling observation, the composition of certified products chemically examined and right
Certified products carries out pull test, and next procedure is carried out after qualified；
Step 10：Polish zinc-plated, certified products is delivered into job shop, refined according to drawing, then zinc-plated processing again；
Step 11：Secondary check, zinc-plated certified products is examined again, the composition of certified products is chemically examined and certified products is carried out
Pull test, dezincify thorn, obtains finished product；
Step 12：Finished product packing, with hermetic bag by final package, labelled in hermetic bag.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour can makes one to some of which technical characteristic
A little to replace and deform, these are replaced and deformation is within the scope of the present invention.
Claims (3)
1. the casting method of a kind of bowl of head cardioid ring, it is characterised in that comprise the following steps：
Step 1：Make mixed sand, by industrial sand, anthracite powder, clay parts by weight according to 3:1:1 ratio mixing, stir,
Obtain mixed husky standby；
Step 2：Bowl head loam core is made, is loaded into after quartz sand and bath of glass are stirred and evenly mixed among the aluminum dipping form of bowl head, then to
It is blown into the carbon dioxide of 20 minutes in filler in aluminum dipping form, carbon dioxide makes filler shaping of hardening form bowl head loam core, takes
Go out bowl head loam core, the brushing quick drying paint in bowl head loam core is standby by the bowl head core baking brushed with quick drying paint；
Step 3：Cardioid ring loam core is made, the mixed sand in step 1 is loaded into the formwork of cardioid ring-type, will be loaded with drift
Mixed husky ramming in formwork, then formwork is turned, with drift, ramming is mixed husky again, repeats above procedure, then rises out
Formwork, cardioid ring loam core is obtained, toast cardioid ring loam core with blowtorch, when the surface temperature of careful type ring loam core reaches 600 DEG C, close
Close blowtorch and stop baking, finally the brushing quick drying paint in cardioid ring loam core, start blowtorch, continue to toast cardioid ring mud with blowtorch
Core, when the surface temperature of careful type ring loam core reaches 300 DEG C, close blowtorch and stop baking, the cardioid ring loam core of shaping is standby；
Step 4：Matched moulds is made, bowl head loam core and cardioid ring loam core are fixed, it is ensured that bowl head loam core can with cardioid ring loam core
Corresponding bowl head cardioid ring is cast, the bowl head loam core of split and cardioid ring loam core surrounding are enclosed with mixed sand hill, tamp formation conjunction
Mould, matched moulds is toasted with blowtorch, when the surface temperature of matched moulds reaches 600 DEG C, close blowtorch and stop baking, brushed on matched moulds fast
Dried paint, restart blowtorch, continue to toast matched moulds with blowtorch, when the surface temperature of matched moulds reaches 300 DEG C, close blowtorch and stop
Baking, it is the matched moulds of shaping is standby, it is ensured that matched moulds is cast molten iron within 2 hours；
Step 5：Molten iron is made, starts electric furnace, 1/3rd steel scraps for manufacturing total iron needed for a bowl head cardioid ring are put into
In electric furnace, treat that it is melted into molten iron, carburant is added in molten iron, is then pressed in carburant with 1/3rd steel scraps of total iron
On, after carburant and steel scrap melt, then carburant is added in molten iron, increasing is pressed in 1/3rd steel scraps of last total iron
In carbon agent, treat that carburant and steel scrap all melt to form molten iron completely；
Step 6：Casting molten iron, 1400 DEG C are risen to by the temperature of molten iron, and molten iron taken amount is analyzed using carbon content analysis instrument, examined
Whether each element, if any error, is modulated in critical field to molten iron, rises to qualified molten iron temperature after modulation is qualified
1650 DEG C, molten iron is cast in matched moulds, the rising head of molten iron casting is covered with heat preserving agent；
Step 7：Semi-finished product are made, make molten iron cooled and solidified in matched moulds, when molten iron is down to 300 DEG C, the semi-finished product of solidification are turned over
Go out, remove rising head, clear husky, polishing checks whether defective, and certified products is loaded in chase；
Step 8：Semi-finished product are melted down, and certified products is loaded in tempering furnace, furnace temperature is risen into 300 DEG C, constant temperature 10 minutes, allowed
Certified products is heated evenly, and hereafter often rises 200 DEG C, constant temperature 10 minutes, when temperature rises to 980 DEG C, constant temperature closes tempering after 2 hours
Stove, 400 DEG C are down to when being tempered in-furnace temperature, tempering furnace fire door is opened, cools down certified products；
Step 9：Semi-finished product are inspected by random samples, and the certified products after melting down is delivered into laboratory sampling observation, the composition of certified products chemically examined and right
Certified products carries out pull test, and next procedure is carried out after qualified；
Step 10：Polish zinc-plated, certified products is delivered into job shop, refined according to drawing, then zinc-plated processing again；
Step 11：Secondary check, zinc-plated certified products is examined again, the composition of certified products is chemically examined and certified products is carried out
Pull test, dezincify thorn, obtains finished product；
Step 12：Finished product packing, with hermetic bag by final package, labelled in hermetic bag.
2. the casting method of a kind of bowl of head cardioid ring according to claim 1, it is characterised in that：Corner in the formwork
On be provided with thin rod.
3. the casting method of a kind of bowl of head cardioid ring according to claim 1 or 2, it is characterised in that：The formwork is wood
Mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711103975.7A CN107737884B (en) | 2017-11-10 | 2017-11-10 | A kind of casting method of bowl of head cardioid ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711103975.7A CN107737884B (en) | 2017-11-10 | 2017-11-10 | A kind of casting method of bowl of head cardioid ring |
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| Publication Number | Publication Date |
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| CN107737884A true CN107737884A (en) | 2018-02-27 |
| CN107737884B CN107737884B (en) | 2019-05-03 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1578347A (en) * | 1967-08-07 | 1969-08-14 | ||
| CN201188525Y (en) * | 2008-03-11 | 2009-01-28 | 成都电力金具总厂 | Suspension loop for bowls head |
| CN102856863A (en) * | 2012-10-08 | 2013-01-02 | 江苏天南电力器材有限公司 | Preformed strain clamp |
| CN202997465U (en) * | 2012-12-28 | 2013-06-12 | 温州新沃电气有限公司 | Electric power fitting |
| CN103182487A (en) * | 2013-03-07 | 2013-07-03 | 宁波大榭信易电热有限公司 | Production method of iron casting containing rare earth element |
| CN103194663A (en) * | 2013-03-07 | 2013-07-10 | 宁波大榭信易电热有限公司 | Improved pulverizer knife holder and production method thereof |
| CN203356527U (en) * | 2013-05-20 | 2013-12-25 | 四川西蜀电力金具集团有限公司 | Duplex socket clevis mold |
| CN105024305A (en) * | 2015-07-15 | 2015-11-04 | 国网河南省电力公司濮阳供电公司 | Tension tower drain wire fracture-free construction method |
| CN107234198A (en) * | 2016-03-29 | 2017-10-10 | 四川省富兴电力金具制造有限公司 | The processing method of forging socket-clevis eye |
-
2017
- 2017-11-10 CN CN201711103975.7A patent/CN107737884B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1578347A (en) * | 1967-08-07 | 1969-08-14 | ||
| CN201188525Y (en) * | 2008-03-11 | 2009-01-28 | 成都电力金具总厂 | Suspension loop for bowls head |
| CN102856863A (en) * | 2012-10-08 | 2013-01-02 | 江苏天南电力器材有限公司 | Preformed strain clamp |
| CN202997465U (en) * | 2012-12-28 | 2013-06-12 | 温州新沃电气有限公司 | Electric power fitting |
| CN103182487A (en) * | 2013-03-07 | 2013-07-03 | 宁波大榭信易电热有限公司 | Production method of iron casting containing rare earth element |
| CN103194663A (en) * | 2013-03-07 | 2013-07-10 | 宁波大榭信易电热有限公司 | Improved pulverizer knife holder and production method thereof |
| CN203356527U (en) * | 2013-05-20 | 2013-12-25 | 四川西蜀电力金具集团有限公司 | Duplex socket clevis mold |
| CN105024305A (en) * | 2015-07-15 | 2015-11-04 | 国网河南省电力公司濮阳供电公司 | Tension tower drain wire fracture-free construction method |
| CN107234198A (en) * | 2016-03-29 | 2017-10-10 | 四川省富兴电力金具制造有限公司 | The processing method of forging socket-clevis eye |
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| Publication number | Publication date |
|---|---|
| CN107737884B (en) | 2019-05-03 |
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