CN106890951A - A kind of high velocity ram machine footstock casting die and its casting technique - Google Patents
A kind of high velocity ram machine footstock casting die and its casting technique Download PDFInfo
- Publication number
- CN106890951A CN106890951A CN201710312582.0A CN201710312582A CN106890951A CN 106890951 A CN106890951 A CN 106890951A CN 201710312582 A CN201710312582 A CN 201710312582A CN 106890951 A CN106890951 A CN 106890951A
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- China
- Prior art keywords
- ingate
- lower floor
- loam core
- casting
- castable
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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
- B22C9/22—Moulds for peculiarly-shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- 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 high velocity ram machine footstock casting die and its casting technique, casting die can be made to avoid shift, improve the dimensional accuracy of casting, operative employee conveniently carries out dimensional measurement during lower core and adjustment is controlled, while mud core quantity is reduced, using staged double-deck pouring system, ensure size uniform stabilization, casting deformation is reduced, easy to operate, production efficiency is high.
Description
【Technical field】
The present invention relates to the technical field that high velocity ram machine is cast with footstock, particularly a kind of high velocity ram machine footstock casting die
And its technical field of casting technique.
【Background technology】
High velocity ram machine is the special cast iron alloy using integration, high rigidity and shock resistance.Sliding block is designed with elongated guide passage,
It is equipped with slipper block balancing device, it is ensured that operating is accurate and stablizes.All wear-resistant elements with the timing automatic lubricating system of electronic type,
Such as lack lubricating oil, punch press will automatically stop.Advanced, easy control system, it is ensured that the accuracy that sliding block is operated and stopped.
The automated production demand that can arrange in pairs or groups any, improve production efficiency reduces cost.High velocity ram machine is widely used in precise electronic, electricity
The punch process of the small-sized precise parts such as brain, communication, household electrical appliance.300 beats/min of high velocity ram machine running speed highest, lathe bed zero
Part must possess high rigidity and shock resistance.The footstock material requirements HT350 of exploitation, High-Strength Low-Alloy cast iron.Footstock is casing
Structure, wall unevenness is even, the ㎜ from 25 ㎜ to 150, and transmission mechanism is arranged on interior, and two sides open up three pairs of transmission axis holes；Axis hole adds
Work required precision is in 0.03, spindle hole concentricity 0.01, the depth of parallelism 0.01.
【The content of the invention】
The purpose of the present invention is exactly to solve the problems of the prior art, propose a kind of high velocity ram machine footstock casting die and its
Casting technique, can make casting die avoid shift, improve the dimensional accuracy of casting, and operative employee conveniently carries out chi during lower core
Very little measurement and adjustment control, while reducing mud core quantity, using staged double-deck pouring system, it is ensured that size uniform stabilization, subtract
Few casting deformation, easy to operate, production efficiency is high.
To achieve the above object, the present invention proposes a kind of high velocity ram machine footstock casting die, including the lower loam core of shaping, auxiliary
Help loam core, sprue, filtering meshes, lower floor's ingate, choked flow valve head, mo(u)ld top half ingate, porcelain tube running channel, mud under the shaping
Core inner is provided with lower floor's ingate, and filtering meshes, the filtering meshes are provided with the bottom end opening of lower floor's ingate
It is connected with sprue, the top of the sprue is provided with choked flow valve head, loam core is arranged on the lower loam core top of shaping in the auxiliary
Portion, loam core is internally provided with mo(u)ld top half ingate in the auxiliary, and the top of the mo(u)ld top half ingate passes through choked flow valve head and directly pours
Road is connected, and the porcelain tube running channel is arranged in the lower loam core of shaping, and the porcelain tube running channel is connected with lower floor ingate.
Preferably, loam core is wrapped by installed in the lower loam core top of shaping in the auxiliary, the mo(u)ld top half ingate is with
Layer ingate corresponds to connection up and down, and the choked flow valve head is one-way pressure valve.
Preferably, the quantity of the porcelain tube running channel has multiple, the porcelain tube running channel is evenly distributed on lower floor's ingate
In same level, the porcelain tube running channel is connected with lower floor ingate.
Preferably, lower floor's ingate lower cross section product more than mo(u)ld top half ingate cross-sectional area, it is described under
The top cross-sectional area of layer ingate is identical with the bottom cross-sectional area of mo(u)ld top half ingate, and the caliber of the sprue is from bottom to top
Gradually taper up.
To achieve the above object, the present invention proposes a kind of casting technique of high velocity ram machine footstock casting die, wraps successively
Include following steps：
Step one：Select each component of following mass fraction：18% pig iron, 54% steel scrap, 18% foundry returns, C：2.9-
3.3%th, SiC：4.7-5.2%, Mn：1.9-2.6%；P≤0.1%；S≤0.12% is made pre-feed after being sufficiently mixed；
Step 2：Pre-feed prepared by step one adds middle frequency furnace segmented melt process, melt temperature to be followed successively by
1500-1520 DEG C, 1520-1550 DEG C, the melting time is 45min, is stirred in melting process and accelerates reaction, and melting is completed, only
Insulation 1 hour is put, the BaSiFe inovulants of 0.3-0.4% are added after filter screen slagging-off, be made castable.
Step 3：Castable prepared by step 2 is heated to 1360-1400 DEG C and is incubated, 0.05-0.1% is added with stream
Inovulant breeds 20min
Step 3：Castable prepared by step 2 is heated to 1480-1510 DEG C and is incubated, 0.05-0.1% is added with stream
Inovulant 75SiFe breeds 30min, and castable is injected from sprue, flows through filtering meshes, is entered in lower floor by filtering meshes
Running channel, lower floor's ingate by loam core under castable injection moulding, make castable from lower floor's ingate successively taking over from bottom to top
Ground enters the lower loam core of shaping, and porcelain tube running channel conveys the casting area that castable SEQ rises by with ingate UNICOM of lower floor,
Castable rises to mo(u)ld top half ingate in the lower loam core of shaping, and choked flow valve head reaches pressure threshold value unlatching, the castable in sprue
The lower loam core of shaping is entered by mo(u)ld top half ingate, is filled after type terminates, flat book ingate makes castable solidify as early as possible, and hot riser is single-minded
Feeding casting, completes whole casting process.
Beneficial effects of the present invention：The present invention can make casting die avoid shift, improve the dimensional accuracy of casting, operative employee
Dimensional measurement is conveniently carried out during lower core and adjustment is controlled, while mud core quantity is reduced, using staged double-deck pouring system
System, it is ensured that size uniform stabilization, reduces casting deformation, and easy to operate, production efficiency is high.
Feature of the invention and advantage will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of main structure diagram of high velocity ram machine footstock casting die of the invention；
Fig. 2 is a kind of overlooking the structure diagram of high velocity ram machine footstock casting die of the invention.
In figure：Loam core, 3- sprues, 4- filtering meshes, 5- lower floors ingate, 6- resistances in the lower loam core of 1- shapings, 2- auxiliary
Stream valve head, 7- mo(u)ld top halves ingate, 8- porcelain tube running channels.
【Specific embodiment】
Refering to Fig. 1 and Fig. 2, mud on a kind of high velocity ram machine footstock casting die of the invention, including the lower loam core 1, auxiliary of shaping
Core 2, sprue 3, filtering meshes 4, lower floor's ingate 5, choked flow valve head 6, mo(u)ld top half ingate 7, porcelain tube running channel 8, under the shaping
Loam core 1 is internally provided with lower floor's ingate 5, and filtering meshes 4, the mistake are provided with the bottom end opening of lower floor's ingate 5
Filter mesh layer 4 is connected with sprue 3, and the top of the sprue 3 is provided with choked flow valve head 6, and loam core 2 is arranged on into the auxiliary
The top of loam core 1 under type, loam core 2 is internally provided with mo(u)ld top half ingate 7 in the auxiliary, and the top of the mo(u)ld top half ingate 7 passes through
Choked flow valve head 6 is connected with sprue 3, and the porcelain tube running channel 8 is arranged in the lower loam core 1 of shaping, in the porcelain tube running channel 8 and lower floor
Running channel 5 is connected, and loam core 2 is wrapped by installed in the lower top of loam core 1 of shaping, in the mo(u)ld top half ingate 7 and lower floor in the auxiliary
Running channel corresponds to connection about 5, the choked flow valve head 6 is one-way pressure valve, and the quantity of the porcelain tube running channel 8 has multiple, the porcelain
Pipe running channel 8 is evenly distributed in the same level of lower floor's ingate 5, and the porcelain tube running channel 8 is connected with lower floor ingate 5,
The cross-sectional area of the lower cross section product more than mo(u)ld top half ingate 7 of lower floor's ingate 5, the top of lower floor's ingate 5
Cross-sectional area is identical with the bottom cross-sectional area of mo(u)ld top half ingate 7, and the caliber of the sprue 3 is gradually tapered up from bottom to top.
To achieve the above object, the present invention proposes a kind of casting technique of high velocity ram machine footstock casting die, wraps successively
Include following steps：
Step one：Select each component of following mass fraction：18% pig iron, 54% steel scrap, 18% foundry returns, C：2.9-
3.3%th, SiC：4.7-5.2%, Mn：1.9-2.6%；P≤0.1%；S≤0.12% is made pre-feed after being sufficiently mixed；
Step 2：Pre-feed prepared by step one adds middle frequency furnace segmented melt process, melt temperature to be followed successively by
1500-1520 DEG C, 1520-1550 DEG C, the melting time is 45min, is stirred in melting process and accelerates reaction, and melting is completed, only
Insulation 1 hour is put, the BaSiFe inovulants of 0.3-0.4% are added after filter screen slagging-off, be made castable.
Step 3：Castable prepared by step 2 is heated to 1360-1400 DEG C and is incubated, 0.05-0.1% is added with stream
Inovulant breeds 20min
Step 3：Castable prepared by step 2 is heated to 1480-1510 DEG C and is incubated, 0.05-0.1% is added with stream
Inovulant 75SiFe breeds 30min, and castable is injected from sprue 3, flows through filtering meshes 4, and lower floor is entered by filtering meshes 4
Ingate 5, lower floor's ingate 5 by loam core 1 under castable injection moulding, make castable from lower floor's ingate 5 from bottom to top by
Layer enters the lower loam core 1 of shaping with taking over, and porcelain tube running channel 8 is risen by conveying castable SEQ with the UNICOMs of lower floor ingate 5
Casting area, castable rises to mo(u)ld top half ingate 7 in the lower loam core 1 of shaping, and choked flow valve head 6 reaches pressure threshold value unlatching, directly pours
Castable in road 3 enters the lower loam core 1 of shaping by mo(u)ld top half ingate 7, fills after type terminates, and flat book ingate makes castable as early as possible
Solidification, the single-minded feeding casting of hot riser completes whole casting process.
The present invention can make casting die avoid shift, improve the dimensional accuracy of casting, and operative employee is convenient during lower core
Carry out dimensional measurement and adjustment is controlled, while mud core quantity is reduced, using staged double-deck pouring system, it is ensured that size uniform is steady
It is fixed, casting deformation is reduced, easy to operate, production efficiency is high.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (5)
1. a kind of high velocity ram machine footstock casting die, it is characterised in that：Including loam core (2) in the lower loam core (1) of shaping, auxiliary, directly
Running channel (3), filtering meshes (4), lower floor's ingate (5), choked flow valve head (6), mo(u)ld top half ingate (7), porcelain tube running channel (8), it is described
The lower loam core (1) of shaping is internally provided with lower floor's ingate (5), and filtering is provided with the bottom end opening of lower floor's ingate (5)
Stratum reticulare (4), the filtering meshes (4) are connected with sprue (3), and the top of the sprue (3) is provided with choked flow valve head (6),
Installed in lower loam core (1) top of shaping, loam core (2) is internally provided with mo(u)ld top half and pours loam core (2) in the auxiliary in the auxiliary
Road (7), the top of the mo(u)ld top half ingate (7) is connected by choked flow valve head (6) with sprue (3), and the porcelain tube running channel (8) sets
Put under shaping in loam core (1), the porcelain tube running channel (8) is connected with lower floor's ingate (5).
2. a kind of high velocity ram machine footstock casting die as claimed in claim 1, it is characterised in that：Loam core (2) in the auxiliary
It is wrapped by installed in lower loam core (1) top of shaping, the mo(u)ld top half ingate (7) and lower floor's ingate (5) corresponding connection, institute up and down
It is one-way pressure valve to state choked flow valve head (6).
3. a kind of high velocity ram machine footstock casting die as claimed in claim 1, it is characterised in that：The porcelain tube running channel (8)
Quantity has multiple, and the porcelain tube running channel (8) is evenly distributed in the same level of lower floor's ingate (5), the porcelain tube running channel
(8) it is connected with lower floor's ingate (5).
4. a kind of high velocity ram machine footstock casting die as claimed in claim 1, it is characterised in that：Lower floor's ingate (5)
Lower cross section product more than mo(u)ld top half ingate (7) cross-sectional area, the top cross-sectional area of lower floor's ingate (5) with it is upper
The bottom cross-sectional area of type ingate (7) is identical, and the caliber of the sprue (3) is gradually tapered up from bottom to top.
5. a kind of high velocity ram machine casting technique of footstock casting die, it is characterised in that：Comprise the following steps successively：
Step one：Select each component of following mass fraction：18% pig iron, 54% steel scrap, 18% foundry returns, C：2.9-3.3%,
SiC：4.7-5.2%, Mn：1.9-2.6%；P≤0.1%；S≤0.12% is made pre-feed after being sufficiently mixed；
Step 2：Pre-feed prepared by step one adds middle frequency furnace segmented melt process, melt temperature to be followed successively by 1500-
1520 DEG C, 1520-1550 DEG C, the melting time is 45min, is stirred in melting process and accelerates reaction, and melting is completed, and insulation is put only
1 hour, the BaSiFe inovulants of 0.3-0.4% are added after filter screen slagging-off, be made castable.
Step 3：Castable prepared by step 2 is heated to 1360-1400 DEG C and is incubated, 0.05-0.1% current-following inoculations are added
20min is bred in agent
Step 3：Castable prepared by step 2 is heated to 1480-1510 DEG C and is incubated, 0.05-0.1% current-following inoculations are added
Agent 75SiFe breeds 30min, and castable is injected from sprue (3), flows through filtering meshes (4), under being entered by filtering meshes (4)
Layer ingate (5), lower floor's ingate (5) by loam core (1) under castable injection moulding, make castable from lower floor's ingate (5) from
Enter the lower loam core (1) of shaping with successively taking on down, porcelain tube running channel (8) is poured by being conveyed with lower floor ingate (5) UNICOM
The casting area that material feeding SEQ rises, castable rises to mo(u)ld top half ingate (7), choked flow valve head (6) in the lower loam core (1) of shaping
Pressure threshold value unlatching is reached, the castable in sprue (3) enters the lower loam core (1) of shaping by mo(u)ld top half ingate (7), fills type knot
Shu Hou, flat book ingate makes castable solidify as early as possible, the single-minded feeding casting of hot riser, completes whole casting process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312582.0A CN106890951B (en) | 2017-05-05 | 2017-05-05 | A kind of high velocity ram machine footstock casting die and its casting technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312582.0A CN106890951B (en) | 2017-05-05 | 2017-05-05 | A kind of high velocity ram machine footstock casting die and its casting technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106890951A true CN106890951A (en) | 2017-06-27 |
| CN106890951B CN106890951B (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710312582.0A Active CN106890951B (en) | 2017-05-05 | 2017-05-05 | A kind of high velocity ram machine footstock casting die and its casting technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159845A (en) * | 2017-07-20 | 2017-09-15 | 河北工业大学 | The casting system and its design method of a kind of elimination ZG35 valve casting defects |
| CN109277527A (en) * | 2018-11-14 | 2019-01-29 | 安徽应流集团霍山铸造有限公司 | A kind of double riser molding sand casting dies of station column |
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| JP2004276109A (en) * | 2003-03-19 | 2004-10-07 | Daido Steel Co Ltd | Lost wax pattern for lost wax casting method |
| CN201543776U (en) * | 2009-10-21 | 2010-08-11 | 浙江恒通机械有限公司 | Novel shock absorber casting die |
| CN103302277A (en) * | 2013-06-20 | 2013-09-18 | 张家港市益成机械有限公司 | Pouring device |
| CN103658542A (en) * | 2013-12-19 | 2014-03-26 | 贵州黎阳航空动力有限公司 | Precision casting gating system |
| CN206702164U (en) * | 2017-05-05 | 2017-12-05 | 浙江坤博机械制造有限公司 | A kind of high velocity ram machine footstock casting die |
-
2017
- 2017-05-05 CN CN201710312582.0A patent/CN106890951B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004276109A (en) * | 2003-03-19 | 2004-10-07 | Daido Steel Co Ltd | Lost wax pattern for lost wax casting method |
| CN201543776U (en) * | 2009-10-21 | 2010-08-11 | 浙江恒通机械有限公司 | Novel shock absorber casting die |
| CN103302277A (en) * | 2013-06-20 | 2013-09-18 | 张家港市益成机械有限公司 | Pouring device |
| CN103658542A (en) * | 2013-12-19 | 2014-03-26 | 贵州黎阳航空动力有限公司 | Precision casting gating system |
| CN206702164U (en) * | 2017-05-05 | 2017-12-05 | 浙江坤博机械制造有限公司 | A kind of high velocity ram machine footstock casting die |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159845A (en) * | 2017-07-20 | 2017-09-15 | 河北工业大学 | The casting system and its design method of a kind of elimination ZG35 valve casting defects |
| CN109277527A (en) * | 2018-11-14 | 2019-01-29 | 安徽应流集团霍山铸造有限公司 | A kind of double riser molding sand casting dies of station column |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106890951B (en) | 2019-09-10 |
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Address after: The Jiaxing Haiyan County of Zhejiang province 314300 city streets xuyouche Village Patentee after: Zhejiang Kunbo Precision Technology Co.,Ltd. Address before: The Jiaxing Haiyan County of Zhejiang province 314300 city streets xuyouche Village Patentee before: ZHEJIANG KUNBO MACHINERY & MANUFACTURING Co.,Ltd. |
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