CN107737884B - 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
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- CN107737884B CN107737884B CN201711103975.7A CN201711103975A CN107737884B CN 107737884 B CN107737884 B CN 107737884B CN 201711103975 A CN201711103975 A CN 201711103975A CN 107737884 B CN107737884 B CN 107737884B
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- loam core
- molten iron
- molding
- cardioid
- bowl
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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 methods of a kind of bowl of head cardioid ring.Method includes the following steps: step 1: production mulling；Step 2: production bowl head loam core；Step 3: production cardioid ring loam core；Step 4: production molding；Step 5: production molten iron；Step 6: casting molten iron；Step 7: production semi-finished product；Step 8: semi-finished product melt down；Step 9: semi-finished product sampling observation；Step 10: polishing is 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, formation easy to process molds, and due to the presence of molding, it casts to form bowl head cardioid ring convenient for molten iron, while this method is more detailed, scientific, rejection rate is low.
Description
Technical field
The present invention relates to bowl head cardioid loop technique field more particularly to the casting methods of a kind of bowl of head cardioid ring.
Background technique
The processing method of forging socket-clevis eye, number of patent application are disclosed in existing Chinese patent database are as follows:
201610191169.9, the applying date are as follows: 2016.03.29, application publication number are as follows: 107234198 A of CN, data of publication of application are as follows:
2017.10.10, which includes following process: A blanking；B jumping-up base；C monobloc forging product shape；D trimming；E rushes ball
Socket bore；F polishing burr；G hot galvanizing.Disadvantage is that: this method is only used for forging socket-clevis eye, is not suitable for casting
Make bowl head cardioid ring.
Summary of the invention
The purpose of the present invention is in view of the deficienciess of the prior art, providing a kind of casting of 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:
A kind of casting method of bowl of head cardioid ring, comprising the following steps:
Step 1: production mulling, by industrial sand, anthracite powder, clay parts by weight according to 3:1:1 ratio mix, stirring
Uniformly, it is spare to obtain mulling；
Step 2: production bowl head loam core is loaded into the aluminum dipping form of bowl head after stirring and evenly mixing quartz sand and bath of glass,
It is blown into 20 minutes carbon dioxide in the filler into aluminum dipping form again, carbon dioxide makes filler molding of hardening form bowl head mud
Core, takes out bowl head loam core, and the brushing quick drying paint in bowl head loam core is spare by the bowl head core baking brushed with quick drying paint；
Step 3: the mulling in step 1 is loaded into the cricoid formwork of cardioid by production cardioid ring loam core, will with formed punch
The mulling ramming being seated in formwork, then formwork is turned, with formed punch ramming mulling again, above procedure is repeated, then
It acts formwork, obtains cardioid ring loam core, toast cardioid ring loam core with blowtorch, the surface temperature for taking care type ring loam core reaches 600 DEG C
When, it closes blowtorch and stops baking, finally the brushing quick drying paint in cardioid ring loam core, start blowtorch, continue to toast the heart with blowtorch
Type ring loam core closes blowtorch and stops baking, by molding cardioid ring mud when taking care 300 DEG C of surface temperature arrival of type ring loam core
Core is spare；
Step 4: production molding fixes bowl head loam core and cardioid ring loam core, it is ensured that bowl head loam core and cardioid ring loam core
Corresponding bowl head cardioid ring can be cast, by bowl head cardioid ring model and corresponding bowl head loam core, cardioid ring loam core split, four
It is surrounded with mulling in week, compacting, takes out bowl head cardioid ring model and form molding, toasted and molded with blowtorch, when the surface temperature of molding
It when reaching 600 DEG C, closes blowtorch and stops baking, molding upper brushing quick drying paint, restarting blowtorch, continuing to be toasted with blowtorch and close
Mould closes blowtorch and stops baking when the surface temperature of molding reaches 300 DEG C, molding molding is spare, it is ensured that molding is 2
Casting molten iron in a hour；
Step 5: production molten iron starts electric furnace, the one third steel scrap of total iron needed for manufacturing a bowl head cardioid ring
It puts into electric furnace, is melted into molten iron to it, carburant is added in molten iron, is then pressed in carburetting with the one third steel scrap of total iron
In agent, after carburant and steel scrap melt, then carburant is added in molten iron, is pressed in the one third steel scrap of last total iron
On carburant, all melt to form molten iron completely to carburant and steel scrap；
Step 6: the temperature of molten iron is risen to 1400 DEG C by casting molten iron, is analyzed using carbon content analysis instrument molten iron taken amount,
It examines each element whether in critical field, if any error, molten iron is modulated, by qualified molten iron temperature after modulation is qualified
1650 DEG C are risen to, molten iron is cast in molding, the riser of molten iron casting is covered with heat preserving agent；
Step 7: production semi-finished product make molten iron cooled and solidified in molding, when molten iron is down to 300 DEG C, the half of solidification at
Product are routed up, remove riser, sand removal, polishing, check whether it is defective, will certified products loading iron frame in；
Step 8: semi-finished product melt down, and certified products is packed into tempering furnace, furnace temperature is risen to 300 DEG C, constant temperature 10 divides
Clock allows certified products to be heated evenly, hereafter every to rise 200 DEG C, constant temperature 10 minutes, after temperature rises to 980 DEG C, constant temperature 2 hours, closes
Tempering furnace, when tempering in-furnace temperature is down to 400 DEG C, opening tempering furnace fire door keeps certified products cooling；
Step 9: semi-finished product sampling observation, by the certified products after melting down send to laboratory inspect by random samples, to the composition of certified products chemically examined with
And pull test is carried out to certified products, next procedure is carried out after qualified；
Step 10: polishing is zinc-plated, and certified products is sent to processing workshop, is refined according to drawing, then zinc-plated processing again；
Step 11: secondary check examines zinc-plated certified products again, carries out chemical examination to the composition of certified products and to certified products
Pull test is carried out, dezincify thorn obtains finished product；
Step 12: finished product packing is labelled in hermetic bag with hermetic bag by final package.
Compared with prior art, the invention has the benefit that due to manufacturing bowl head loam core and cardioid ring loam core respectively, more
Add convenient for bowl head loam core and cardioid ring loam core machine-shaping, formation molding easy to process, and due to the presence of molding, is convenient for molten iron
Casting forms bowl head cardioid ring, while this method is more detailed, scientific, rejection rate is low.
In order to keep cardioid ring loam core stronger, thin stick is provided on the corner in the formwork.
Cardioid ring loam core is taken out for the ease of formwork of dismantling, the formwork is wooden model.
Specific embodiment
A kind of casting method of bowl of head cardioid ring, comprising the following steps:
Step 1: production mulling, by industrial sand, anthracite powder, clay parts by weight according to 3:1:1 ratio mix, stirring
Uniformly, it is spare to obtain mulling；
Step 2: production bowl head loam core is loaded into the aluminum dipping form of bowl head after stirring and evenly mixing quartz sand and bath of glass,
It is blown into 20 minutes carbon dioxide in the filler into aluminum dipping form again, carbon dioxide makes filler molding of hardening form bowl head mud
Core, takes out bowl head loam core, and the brushing quick drying paint in bowl head loam core is spare by the bowl head core baking brushed with quick drying paint；
Step 3: the mulling in step 1 is loaded into the cricoid formwork of cardioid by production cardioid ring loam core, will with formed punch
The mulling ramming being seated in formwork, then formwork is turned, with formed punch ramming mulling again, above procedure is repeated, in order to
Keep cardioid ring loam core stronger, thin stick is provided on the corner in the formwork, then plays out formwork, obtains cardioid ring mud
Core takes out cardioid ring loam core for the ease of formwork of dismantling, and the formwork is wooden model, toasts cardioid ring loam core with blowtorch, works as cardioid
When the surface temperature of ring loam core reaches 600 DEG C, closes blowtorch and stops baking, finally the brushing quick drying paint in cardioid ring loam core,
Start blowtorch, continue to toast cardioid ring loam core with blowtorch, when taking care 300 DEG C of surface temperature arrival of type ring loam core, closes blowtorch
Stop baking, molding cardioid ring loam core is spare；
Step 4: production molding fixes bowl head loam core and cardioid ring loam core, it is ensured that bowl head loam core and cardioid ring loam core
Corresponding bowl head cardioid ring can be cast, by bowl head cardioid ring model and corresponding bowl head loam core, cardioid ring loam core split, four
It is surrounded with mulling in week, compacting, takes out bowl head cardioid ring model and form molding, toasted and molded with blowtorch, when the surface temperature of molding
It when reaching 600 DEG C, closes blowtorch and stops baking, molding upper brushing quick drying paint, restarting blowtorch, continuing to be toasted with blowtorch and close
Mould closes blowtorch and stops baking when the surface temperature of molding reaches 300 DEG C, molding molding is spare, it is ensured that molding is 2
Casting molten iron in a hour；
Step 5: production molten iron starts electric furnace, the one third steel scrap of total iron needed for manufacturing a bowl head cardioid ring
It puts into electric furnace, is melted into molten iron to it, carburant is added in molten iron, is then pressed in carburetting with the one third steel scrap of total iron
In agent, after carburant and steel scrap melt, then carburant is added in molten iron, is pressed in the one third steel scrap of last total iron
On carburant, all melt to form molten iron completely to carburant and steel scrap；
Step 6: the temperature of molten iron is risen to 1400 DEG C by casting molten iron, is analyzed using carbon content analysis instrument molten iron taken amount,
It examines each element whether in critical field, if any error, molten iron is modulated, by qualified molten iron temperature after modulation is qualified
1650 DEG C are risen to, molten iron is cast in molding, the riser of molten iron casting is covered with heat preserving agent；
Step 7: production semi-finished product make molten iron cooled and solidified in molding, when molten iron is down to 300 DEG C, the half of solidification at
Product are routed up, remove riser, sand removal, polishing, check whether it is defective, will certified products loading iron frame in；
Step 8: semi-finished product melt down, and certified products is packed into tempering furnace, furnace temperature is risen to 300 DEG C, constant temperature 10 divides
Clock allows certified products to be heated evenly, hereafter every to rise 200 DEG C, constant temperature 10 minutes, after temperature rises to 980 DEG C, constant temperature 2 hours, closes
Tempering furnace, when tempering in-furnace temperature is down to 400 DEG C, opening tempering furnace fire door keeps certified products cooling；
Step 9: semi-finished product sampling observation, by the certified products after melting down send to laboratory inspect by random samples, to the composition of certified products chemically examined with
And pull test is carried out to certified products, next procedure is carried out after qualified；
Step 10: polishing is zinc-plated, and certified products is sent to processing workshop, is refined according to drawing, then zinc-plated processing again；
Step 11: secondary check examines zinc-plated certified products again, carries out chemical examination to the composition of certified products and to certified products
Pull test is carried out, dezincify thorn obtains finished product；
Step 12: finished product packing is labelled in hermetic bag with hermetic bag by final package.
The present invention is not limited to the above embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing creative labor
A little replacements and deformation, these replacements and deformation are within the scope of the invention.
Claims (3)
1. the casting method of a kind of bowl of head cardioid ring, which comprises the following steps:
Step 1: production mulling, by industrial sand, anthracite powder, clay parts by weight according to 3:1:1 ratio mix, stir evenly,
It is spare to obtain mulling；
Step 2: production bowl head loam core is loaded into the aluminum dipping form of bowl head after stirring and evenly mixing quartz sand and bath of glass, then to
It is blown into 20 minutes carbon dioxide in filler in aluminum dipping form, carbon dioxide makes filler molding of hardening form bowl head loam core, takes
Bowl head loam core out, the brushing quick drying paint in bowl head loam core are spare by the bowl head core baking brushed with quick drying paint；
Step 3: the mulling in step 1 is loaded into the cricoid formwork of cardioid by production cardioid ring loam core, will be loaded with formed punch
Mulling ramming in formwork, then formwork is turned, with formed punch ramming mulling again, above procedure is repeated, is then risen out
Formwork obtains cardioid ring loam core, toasts cardioid ring loam core with blowtorch, when taking care 600 DEG C of surface temperature arrival of type ring loam core, closes
It closes blowtorch and stops baking, finally the brushing quick drying paint in cardioid ring loam core, start blowtorch, continue to toast cardioid ring mud with blowtorch
Core closes blowtorch and stops baking when taking care 300 DEG C of surface temperature arrival of type ring loam core, and molding cardioid ring loam core is spare；
Step 4: production molding fixes bowl head loam core and cardioid ring loam core, it is ensured that bowl head loam core and cardioid ring loam core can
Corresponding bowl head cardioid ring is cast, by bowl head cardioid ring model and corresponding bowl head loam core, cardioid ring loam core split, surrounding is used
Mulling is surrounded, is tamped, and is taken out bowl head cardioid ring model and is formed molding, toasts molding with blowtorch, when the surface temperature of molding reaches
At 600 DEG C, blowtorch stopping baking being closed, upper brushing quick drying paint is being molded, is restarting blowtorch, continuing to toast molding with blowtorch,
When the surface temperature of molding reaches 300 DEG C, closes blowtorch and stop baking, it is molding molding is spare, it is ensured that molding is small at 2
When interior casting molten iron；
Step 5: production molten iron starts electric furnace, the one third steel scrap investment of total iron needed for manufacturing a bowl head cardioid ring
In electric furnace, it is melted into molten iron to it, carburant is added in molten iron, is then pressed in carburant with the one third steel scrap of total iron
On, after carburant and steel scrap melt, then carburant is added in molten iron, is pressed in increasing with the one third steel scrap of last total iron
In carbon agent, all melt to form molten iron completely to carburant and steel scrap；
Step 6: the temperature of molten iron is risen to 1400 DEG C by casting molten iron, is analyzed using carbon content analysis instrument molten iron taken amount, is examined
Whether each element, if any error, is modulated molten iron in critical field, rises to qualified molten iron temperature after modulation is qualified
1650 DEG C, molten iron is cast in molding, the riser of molten iron casting is covered with heat preserving agent；
Step 7: production semi-finished product turn over molten iron cooled and solidified in molding the semi-finished product of solidification when molten iron is down to 300 DEG C
Out, remove riser, sand removal, polishing, check whether it is defective, will certified products loading iron frame in；
Step 8: semi-finished product melt down, and certified products is packed into tempering furnace, furnace temperature is risen to 300 DEG C, constant temperature 10 minutes, is allowed
Certified products is heated evenly, hereafter every to rise 200 DEG C, constant temperature 10 minutes, after temperature rises to 980 DEG C, constant temperature 2 hours, closes tempering
Furnace, when tempering in-furnace temperature is down to 400 DEG C, opening tempering furnace fire door keeps certified products cooling；
Step 9: semi-finished product sampling observation, by the certified products after melting down send to laboratory inspect by random samples, to the composition of certified products carry out chemical examination and it is right
Certified products carries out pull test, carries out next procedure after qualified；
Step 10: polishing is zinc-plated, and certified products is sent to processing workshop, is refined according to drawing, then zinc-plated processing again；
Step 11: secondary check examines zinc-plated certified products again, carries out chemical examination to the composition of certified products and carries out to certified products
Pull test, dezincify thorn, obtains finished product；
Step 12: finished product packing is labelled in hermetic bag with hermetic bag by final package.
2. the casting method of a kind of bowl of head cardioid ring according to claim 1, it is characterised in that: the corner in the formwork
On be provided with thin stick.
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.
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| 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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| 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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| CN107737884A CN107737884A (en) | 2018-02-27 |
| CN107737884B true CN107737884B (en) | 2019-05-03 |
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| 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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| CN107737884A (en) | 2018-02-27 |
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