CN109014121A - A kind of compression casting salt core producing device and preparation method thereof - Google Patents
A kind of compression casting salt core producing device and preparation method thereof Download PDFInfo
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- CN109014121A CN109014121A CN201811098495.0A CN201811098495A CN109014121A CN 109014121 A CN109014121 A CN 109014121A CN 201811098495 A CN201811098495 A CN 201811098495A CN 109014121 A CN109014121 A CN 109014121A
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- mold
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- melting
- pot cover
- salt core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
Abstract
The present invention provides a kind of compression casting salt core producing device and preparation method thereof, comprising: melting and heat preservation furnace, inner wall set heating member；Fusion crucible is inserted in melting and heat preservation furnace, is covered with a pot cover, and pot cover surface opens up liquid outlet, air inlet；One foundry work platform, including Working rack and working plate, working plate open up out liquid opening；One mold, inside open up type chamber, and both side plate and upper cover plate are assembled detachable connection, and bottom plate opens up inlet；One expects pipe；One support frame, including two vertical bars and cross bar, a lifting transverse slat both ends are sheathed on two vertical bars；One lifting hydraulic cylinder, is set up on cross bar；An at least compression gas pipe；Two traversing hydraulic cylinders；Hydraulic power unit, including hydraulic power source and hydraulic pump；One electric cabinet.The defects of producing device salt product after molding, inside solid, pore-free, shrinkage porosite, and after the completion of solidification, mold is opened, product is taken out, can produce again, has quantity-produced ability, improves the production efficiency of salt core.
Description
Technical field
The invention belongs to casting technology fields, and in particular, to a kind of compression casting salt core producing device and its production
Method.
Background technique
It is especially complex for those shapes in some precision castings such as automobile and aero-engine, machinery can not be passed through
The interior wall and aperture of processing or other similar forming method manufactures, can use casting technique straight forming.
This requires used type core not only to have high-intensitive, high dimensional accuracy and high stability, but also to have
Good collapsibility, in order to clear up.For the casting of complicated inner cavity, cast using low pressure or normal pressure casting method, such as sand mold
It makes, Gravity Permanent-Mold Casting Process, low pressure casting etc., widely applied sand core can satisfy their requirement.And for high-pressure casting,
The intensity of sand core is extremely difficult to require, and surface accuracy is low, and last sand removal work also takes time and effort, inefficiency.
Water soluble salt core technology refers to and uses high temperature after the completion of cast casting using water-soluble alkali metal salt forming core
Casting cleaning work is rapidly completed in high pressure water flow wash type core.
Salt manufacturing mold core (salt core), as the substitute of cast-internal cavity, has intensity height in non-ferrous metals casting, resistance to
The high advantage of temperature, and since its easy characteristic for being dissolved in water can be molten by its with water in later period cast-internal cleaning type core
Change, and water is poured out, is more easier to clear up than other materials.
Salt core production method at present are as follows: water-soluble metal halide salt 45-55kg, reinforcing agent 120-250g, binder 150-
250ml, the reinforcing agent is kaolinite or talcum powder, and by mixing, mold compression moulding, high temperature sintering are made.
It follows that this manufacturing process is divided into multiple processes, and the time is longer, especially sintering process, needs batch into furnace
Son, temperature reaches 800 DEG C or more, and to keep time enough that its salt product is waited to be sintered into one, relatively large batch of
For industrial production needs, efficiency is too low, it is therefore desirable to which mode effectively carries out the casting of salt core.
Summary of the invention
It is above-mentioned to solve the problems, such as, the purpose of the present invention is to provide a kind of compression casting salt core producing device and
The defects of its production method, the mould producing device salt product after molding, inside solid, pore-free, shrinkage porosite, and solidified
Cheng Hou opens mold, takes out product, can produce again, for other opposite production methods, using relatively simple production work
Skill, realization have quantity-produced ability, can greatly improve the production efficiency of salt core.
In order to achieve the above objectives, the technical scheme is that
A kind of compression casting salt core producing device, described device includes: melting and heat preservation furnace, and inner wall is circumferentially set along melting and heat preservation furnace
Several heating members are equipped with, which is arranged in melting and heat preservation furnace inner wall along melting and heat preservation furnace spaced radial；Fusion crucible,
It being inserted in melting and heat preservation furnace and open end corresponds to the melting and heat preservation furnace fire door, fusion crucible open end cap is equipped with a pot cover,
The sealing to fusion crucible open end is formed, pot cover surface middle part offers a liquid outlet, the pot positioned at liquid outlet at least side
Cap surface offers air inlet；One foundry work platform including the Working rack being vertically arranged and is set up in Working rack upper surface
Working plate, the foundry work rack be set to melting and heat preservation furnace above, working plate surface middle part offer one with it is described
The corresponding liquid opening out of pot cover liquid outlet；One mold, shape are a cabinet, and die inside is offered to be matched with cast shape
Type chamber, be assembled detachable connection between the mold both side plate and upper cover plate and mold other plates, in die bottom plate surface
Portion, which is offered, merges the inlet being connected to type chamber with the opening matching of liquid out；One expects pipe, is vertically arranged, and lower end is by the pot
Lid liquid outlet is protruded on the inside of fusion crucible and is extended to above fusion crucible inside bottom surface, and upper end passes through working plate and goes out liquid opening
And it is inserted in mold inlet；One support frame, including being vertically arranged on the working plate on the outside of mold both side plate respectively
Two vertical bars and be set up in the cross bars of two vertical bar upper ends, a horizontally disposed lifting transverse slat both ends difference sliding sleeve is set to two vertical bars
On, lifting transverse slat lower surface is connect with the mold upper cover plate；One lifting hydraulic cylinder is set up on support frame as described above cross bar, defeated
Outlet is connect with the lifting transverse slat upper surface；Fusion crucible is protruded by the pot cover air inlet in an at least compression gas pipe, one end
Inside, another termination compressed gas source, is provided with pressure reducing valve on the compression gas pipe on the outside of pot cover；Two traversing hydraulic cylinders, symmetrically
Be set to be located at the mold both side plate on the outside of working plate on, two traversing hydraulic cylinder output ends respectively with the mold two sides
Plate connection；Hydraulic power unit is set up in foundry work platform side, including hydraulic power source and the hydraulic pump connecting with hydraulic power source, liquid
Potential source oil outlet is connect with lifting hydraulic cylinder and two traversing hydraulic cylinders respectively by hydraulic oil pipe, and hydraulic power source and lifting hydraulic cylinder
And two the connection of traversing hydraulic cylinder hydraulic oil pipe on be respectively arranged with solenoid valve；One electric cabinet is set up in the foundry work platform
The other side is communicated to connect with the pressure reducing valve and solenoid valve respectively, and electric cabinet is also electrically connected with heating member, and formation adds heating member
The control of heat.
Further, the melting and heat preservation furnace inner wall is disposed with insulating brick-layer and heat-preservation cotton layer from the inside to the outside, described
Heating member is electric heating wire, is set to heat-preservation cotton layer inner wall.
Further, the expects pipe upper end port is connected with sleeve, which passes through described far from expects pipe one end port
Working plate goes out liquid and is open and corresponds to the mold inlet.
Further, the fusion crucible open end is peripherally and outwardly convexly equipped with an annular interconnecting piece, the annular along open end
Connection surface, which is spaced apart, is equipped with several connecting holes, and accordingly, the pot cover is provided with and the ring on one side with respect to fusion crucible
The annular clinch that shape interconnecting piece matches offers several connection through-holes corresponding with connecting hole on annular clinch, if
Dry locking piece is inserted in connection through-hole and connecting hole, forms the sealed connection of pot cover and fusion crucible.
Further, the melting and heat preservation furnace is set in the sliding slot that a section is concave, sliding slot bottom surface length along the chute
Direction is provided with two sliding rails, and two sliding rails along the chute arrange by bottom width direction parallel interval, and a furnace bottom trolley is slideably positioned in two
On sliding rail, the melting and heat preservation grate is set on furnace bottom trolley.
Further, the lifting hydraulic cylinder is drivingly connected by a connection frame and the lifting transverse slat, the connection frame
The connection cross bar of two connection vertical bar upper ends, the branch are connected to including two connection vertical bars of vertical spacing setting and both ends
It is spaced apart on support cross bar along cross bar length direction and is equipped with two jacks, connection frame two connects vertical bar and protrudes into support frame by jack respectively
Inside is simultaneously connect with the lifting transverse slat, and the lifting hydraulic cylinder output end and the connection cross bar are drivingly connected.
Further, the lifting transverse slat lower surface passes through movable plate on one and connect with mold upper cover plate.
Further, described two traversing hydraulic cylinder output ends pass through side movable plate respectively and the mold both side plate connects
It connects.
Further, the pot cover surface air inlet hole number is 2, is symmetrically opened in pot cover two sides, accordingly, the pressure
Contracting tracheae quantity is 2, is inserted in air inlet respectively.
Meanwhile the present invention also provides a kind of method for making salt core with salt core producing device using the compression casting, institutes
Production method is stated to include the following steps:
1) salt is placed in fusion crucible, electric cabinet controls heating member in high-temperature melting furnace and heats fusion crucible, until salt is molten
It is melted into salt melt, clears up the impurity on salt melt surface, right pot cover sealing keeps salt melt temperature at 820 ~ 900 DEG C, is
It is with air pressure capable of being increased to prepare；
2) mold is mounted on foundry work platform, and by expects pipe by casing connection to mold inlet, and by mold into
Row preheating, is ready for casting；
3) electric cabinet controls pressure reducing valve, compressed air is filled in fusion crucible by compression gas pipe, compressed air enters fusing
Crucible, salt melt in fusion crucible enter expects pipe by the gap between expects pipe and fusion crucible bottom surface, and through charge tube and
Casing enters die inside type chamber by mold inlet, keeps compressed air pressure, until the intracavitary salting liquid of type integral into
Type solidifies forming salt core, then releases the air pressure in fusion crucible by air inlet, until air pressure and the external world in fusion crucible
Atmospheric pressure is consistent, and salt melt break away from moulds returns the normal level in fusion crucible, and then electric cabinet controls solenoid valve, control
Lifting hydraulic cylinder and two traversing hydraulic cylinders, lifting hydraulic cylinder driving lifting transverse slat rise driven mold upper cover plate and rise, and two is traversing
Hydraulic cylinder driven mold both side plate is traversing outward, and mold die sinking, salt core break away from moulds takes out salt core, completes single salt core production；
4) cleaning mold remaining salt slag of institute in casting process repeats step 3), circulation production salt core；
5) it after salt melt is finished in crucible to be melted, reopens pot cover and adds salt, continue melting, repeat step 1) ~ step 4), after
Continuous production.
The beneficial effects of the present invention are:
Compression casting salt core producing device exactly the case where being directed to current casting, using the form for using for reference non-ferrous metals casting,
To carry out the salt of halogen high-temperature digestion, and it is passed through into expects pipe with air pressure, the salt melt of high-temperature digestion is pressed onto mould
Tool the inside, keeps pressure, and salt melt is waited gradually to cool down since edge to center, solid-state is formed, in cooling procedure, in furnace
Salt melt is constantly cured salt product supplement melt by expects pipe, so that salt product after molding, inside solid, pore-free,
The defects of shrinkage porosite, and after the completion of solidification, mold is opened, product is taken out, lower die product can be produced again.Other opposite production
For mode, using relatively simple production technology, realization has quantity-produced ability.The production of salt core can be greatly improved
Efficiency；
1. foundry work platform
Casting board is mainly area of space where mold installation, and it is top plate, work on top that intermediate one piece of plate, which is working plate,
Upper movable plate is arranged in the top of platen and side movable plate is respectively set in two sides, and the folding for being responsible for mold is used, using hydraulic cylinder
Driving.
2. electric cabinet
The electric-control system of all parts of main control device, the heating and temperature control including melting and heat preservation furnace electric heating wire, hydraulic pump
It stands the matched solenoid valve folding control of institute, and the salt melt of melting and heat preservation furnace is pressed onto compressed air gas used in mold cavity
Voltage-controlled system.
3. hydraulic power unit
The lifting hydraulic cylinder and two traversing hydraulic cylinders above foundry work platform are connected, by solenoid valve come to lifting hydraulic cylinder and two
The folding of traversing hydraulic cylinder is driven.
4. melting and heat preservation furnace,
Melt and hold the stove of salt melt, inside center is the fusion crucible of a high-temperature refractory steel, for hold salt and its
Melt can form sealing after covering pot cover, if being passed through compressed air, the salt melt after melting can be passed through connection
The expects pipe of mold is transported to inside mold cavity.Its maximum temperature can be to 950 DEG C, and maximum can bear the air pressure of 0.2mpa.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of compression casting salt core producing device provided by the present invention；
Fig. 2 is the partial structural diagram of Fig. 1.
Specific embodiment
Referring to Figures 1 and 2, a kind of compression casting of the present invention salt core producing device, described device include: fusing
Holding furnace 1, inner wall are circumferentially provided with several heating members 11 along melting and heat preservation furnace 1, and several heating members 11 are along 1 diameter of melting and heat preservation furnace
To being intervally arranged in 1 inner wall of melting and heat preservation furnace；Fusion crucible 2 is inserted in melting and heat preservation furnace 1 and open end corresponds to the fusing
1 fire door of holding furnace, 2 open end cap of fusion crucible are equipped with a pot cover 21, form the sealing to 2 open end of fusion crucible, pot cover 21
Surface middle part offers a liquid outlet 22, and 21 surface of pot cover positioned at at least side of liquid outlet 22 offers air inlet 23；One casting
Workbench 3 is made, including the Working rack 31 being vertically arranged and is set up in the working plate 32 of 31 upper surface of Working rack, the casting
It makes workbench 3 and is set up in 1 top of melting and heat preservation furnace, 32 surface middle part of working plate offers one and 21 liquid outlet 22 of pot cover
The corresponding opening of liquid out 33；One mold 4, shape are a cabinet, offer the type chamber matched with cast shape on the inside of mold 4
41, it is assembled detachable connection, 4 bottom plate of mold, 44 table between 4 both side plate 42 of mold and upper cover plate 43 and mold 4 other plates
Middle face, which is offered, merges the inlet 45 being connected to type chamber 41 with 33 matching of the opening of liquid out；One expects pipe 5, is vertically arranged,
Lower end is protruded into 2 inside of fusion crucible by 21 liquid outlet 22 of pot cover and is extended to above 2 inside bottom surface of fusion crucible, and upper end is worn
Working plate 32 is crossed to go out liquid opening 33 and be inserted in 4 inlet 45 of mold；One support frame 6, including be vertically arranged at be located at respectively
Two vertical bars 61 on the working plate 32 in the outside of 4 both side plate of mold 42 and the cross bar 62 for being set up in two vertical bars, 61 upper end, one is horizontal
63 both ends of the lifting transverse slat difference sliding sleeve of setting is set on two vertical bars 61, lifting 63 lower surface of transverse slat and 4 upper cover of mold
Plate 43 connects；One lifting hydraulic cylinder 7 is set up on 6 cross bar 62 of support frame as described above, output end and 63 upper surface of lifting transverse slat
Connection；2 inside of fusion crucible, another termination compressed gas are protruded by 21 air inlet 23 of pot cover in an at least compression gas pipe 8, one end
Source (not shown) is provided with pressure reducing valve (not shown) on the compression gas pipe 8 in 21 outside of pot cover；Two traversing hydraulic cylinders 9, symmetrically
Be set on the working plate 32 for being located at 4 both side plate of mold, 42 outside, two traversing 9 output ends of hydraulic cylinder respectively with the mould
Has the connection of 4 both side plates 42；Hydraulic power unit 10 is set up in 3 side of foundry work platform, including hydraulic power source 101 and and hydraulic power source
101 connection hydraulic pumps 102,101 oil outlet of hydraulic power source by hydraulic oil pipe 103 respectively with lifting hydraulic cylinder 7 and two traversing liquid
Cylinder pressure 9 connects, and is respectively set on the hydraulic oil pipe 103 that connect with lifting hydraulic cylinder 7 and two traversing hydraulic cylinders 9 of hydraulic power source 101
There is solenoid valve (not shown)；One electric cabinet 20 is set up in 3 other side of foundry work platform, respectively with the pressure reducing valve and electricity
Magnet valve communication connection, electric cabinet 20 are also electrically connected with heating member 11, form the control heated to heating member 11.
Further, 1 inner wall of melting and heat preservation furnace is disposed with insulating brick-layer 12 and heat-preservation cotton layer 13 from the inside to the outside,
The heating member 11 is electric heating wire, is set to 13 inner wall of heat-preservation cotton layer.
Further, 5 upper end port of expects pipe is connected with sleeve 51, which wears far from 5 one end port of expects pipe
It crosses the working plate 32 and goes out liquid opening 33 and corresponding 4 inlet 45 of mold.
Further, 2 open end of fusion crucible is peripherally and outwardly convexly equipped with an annular interconnecting piece 24, the ring along open end
24 surface of shape interconnecting piece, which is spaced apart, is equipped with several connecting holes 25, and accordingly, the opposite fusion crucible 2 of the pot cover 21 is provided on one side
The annular clinch 26 matched with the annular interconnecting piece 24 offers on annular clinch 26 several opposite with connecting hole 25
The connection through-hole 27 answered, several locking pieces (not shown) are inserted in connection through-hole 27 and connecting hole 25, form pot cover 21 and fusing
The sealed connection of crucible 2.
Further, the melting and heat preservation furnace 1 is set in the sliding slot 30 that a section is concave, and 30 bottom surface of sliding slot is along the chute
30 length directions are provided with two sliding rails 301, and two sliding rails 301 along the chute arrange by 30 bottom width direction parallel intervals, and a furnace bottom is small
Vehicle 40 is slideably positioned on two sliding rails 301, and the melting and heat preservation furnace 1 is set up on furnace bottom trolley 40.
Further, the lifting hydraulic cylinder 7 is drivingly connected by a connection frame 71 and the lifting transverse slat 63, the company
Connect the connection that frame 71 is connected to two connection vertical bars, 72 upper end including two connection vertical bars 72 of vertical spacing setting and both ends
Cross bar 73 is spaced apart on 6 cross bar 62 of support frame as described above along 62 length direction of cross bar and is equipped with two jacks (not shown), connects 71 liang of frame
Connection vertical bar 72 protrudes into 6 inside of support frame by jack respectively and connect with the lifting transverse slat 63, and the lifting hydraulic cylinder 7 exports
End is drivingly connected with the connection cross bar 73.
Further, 63 lower surface of lifting transverse slat passes through movable plate 64 on one and connect with 4 upper cover plate 43 of mold.
Further, described two traversing 9 output ends of hydraulic cylinder pass through side movable plate 91 and 4 both side plate of mold respectively
42 connections.
Further, 21 surface air inlet of pot cover, 23 quantity is 2, is symmetrically opened in 21 two sides of pot cover, accordingly,
8 quantity of compression gas pipe is 2, is inserted in air inlet 23 respectively.
Meanwhile the present invention also provides a kind of method for making salt core with salt core producing device using the compression casting, institutes
Production method is stated to include the following steps:
1) salt is placed in fusion crucible 2, electric cabinet 20 controls heating member 11 in high-temperature melting furnace 1 and heats fusion crucible 2, directly
Be fused into salt melt to salt, clear up the impurity on salt melt surface, right pot cover 21 seals, keep salt melt temperature 820 ~
It 900 DEG C, prepares to be with air pressure capable of being increased；
2) mold 4 is mounted on foundry work platform 3, and expects pipe 5 is connected to the inlet 45 of mold 4 by casing 51, and
Mold 4 is preheated, is ready for casting；
3) electric cabinet 20 controls pressure reducing valve, compressed air is filled in fusion crucible 2 by compression gas pipe 8, compressed air enters
Fusion crucible 2, the salt melt in fusion crucible 2 enters expects pipe 5 by the gap between 2 bottom surface of expects pipe 5 and fusion crucible, and passes through
Charge tube 5 and casing 51 enter 4 medial type chamber 41 of mold by 4 inlet 45 of mold, keep compressed air pressure, until type chamber
Salting liquid in 41 is integrally formed, solidifies forming salt core 100, then releases the air pressure in fusion crucible 2 by air inlet 23,
Until air pressure is consistent with external atmospheric pressure in fusion crucible 2, salt melt break away from moulds 4 returns the normal liquid in fusion crucible 2
Position, then electric cabinet 20 controls solenoid valve, controls lifting hydraulic cylinder 7 and two traversing hydraulic cylinders 9, the driving lifting of lifting hydraulic cylinder 7
Transverse slat 63 rises 4 upper cover plate 43 of driven mold and rises, two outside traversing, the molds 4 of traversing 8 driven mold of hydraulic cylinder, 4 both side plate 42
Die sinking, salt core break away from moulds take out salt core, complete single salt core production；
4) cleaning mold 4 remaining salt slag of institute in casting process repeats step 3), circulation production salt core 100；
5) after salt melt is finished in crucible 2 to be melted, pot cover 21 plus salt are reopened, continues melting, repeats step 1) ~ step
4), continue to produce.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to the technology of invention
Scheme is modified or replaced equivalently, and without departing from the range of technical solution of the present invention, should all be covered in power of the invention
In sharp claimed range.
Claims (10)
1. a kind of compression casting salt core producing device, which is characterized in that described device includes:
Melting and heat preservation furnace, inner wall are circumferentially provided with several heating members along melting and heat preservation furnace, and several heating members are along melting and heat preservation furnace
Spaced radial is arranged in melting and heat preservation furnace inner wall；
Fusion crucible is inserted in melting and heat preservation furnace and open end corresponds to the melting and heat preservation furnace fire door, fusion crucible open end
It is covered with a pot cover, forms the sealing to fusion crucible open end, pot cover surface middle part offers a liquid outlet, is located at liquid outlet
The pot cover surface of at least side offers air inlet；
One foundry work platform including the Working rack being vertically arranged and is set up in the working plate of Working rack upper surface, described
Foundry work rack is set to above melting and heat preservation furnace, and it is corresponding with the pot cover liquid outlet that working plate surface middle part offers one
Go out liquid opening；
One mold, shape are a cabinet, and die inside offers the type chamber matched with cast shape, the mold both side plate and
Be assembled detachable connection between upper cover plate and mold other plates, die bottom plate surface middle part offer and it is described go out liquid opening phase
The inlet being connected to merging with type chamber；
One expects pipe, is vertically arranged, and lower end is protruded on the inside of fusion crucible by the pot cover liquid outlet and extended on the inside of fusion crucible
Above bottom surface, upper end goes out liquid across working plate and is open and is inserted in mold inlet；
One support frame including two vertical bars being vertically arranged on the working plate on the outside of mold both side plate respectively and is set up in
The cross bar of two vertical bar upper ends, a horizontally disposed lifting transverse slat both ends difference sliding sleeve are set on two vertical bars, go up and down transverse slat following table
Face is connect with the mold upper cover plate；
One lifting hydraulic cylinder is set up on support frame as described above cross bar, and output end is connect with the lifting transverse slat upper surface；
An at least compression gas pipe, one end are protruded on the inside of fusion crucible by the pot cover air inlet, and another termination compressed gas source is located at
Pressure reducing valve is provided on compression gas pipe on the outside of pot cover；
Two traversing hydraulic cylinders are symmetrically disposed on the working plate on the outside of the mold both side plate, and two traversing hydraulic cylinders are defeated
Outlet is connect with the mold both side plate respectively；
Hydraulic power unit is set up in foundry work platform side, including hydraulic power source and the hydraulic pump connecting with hydraulic power source, hydraulic power source
Oil outlet is connect with lifting hydraulic cylinder and two traversing hydraulic cylinders respectively by hydraulic oil pipe, and hydraulic power source and lifting hydraulic cylinder and two
Solenoid valve is respectively arranged on the hydraulic oil pipe of traversing hydraulic cylinder connection；
One electric cabinet is set up in the foundry work platform other side, communicates to connect respectively with the pressure reducing valve and solenoid valve, automatically controlled
Case is also electrically connected with heating member, forms the control heated to heating member.
2. compression casting according to claim 1 salt core producing device, which is characterized in that the melting and heat preservation furnace inner wall
It is disposed with insulating brick-layer and heat-preservation cotton layer from the inside to the outside, the heating member is electric heating wire, is set to heat-preservation cotton layer inner wall.
3. compression casting according to claim 1 salt core producing device, which is characterized in that the expects pipe upper end port connects
It is connected to sleeve, which, which far from expects pipe one end port passes through the working plate and go out liquid, is open and corresponds to the mold feed liquor
Mouthful.
4. compression casting according to claim 1 salt core producing device, which is characterized in that the fusion crucible open end
An annular interconnecting piece is peripherally and outwardly convexly equipped with along open end, which, which is spaced apart, is equipped with several connecting holes, corresponding
Ground, the pot cover are provided with the annular clinch matched with the annular interconnecting piece, annular overlap joint with respect to fusion crucible on one side
Several connection through-holes corresponding with connecting hole are offered in portion, several locking pieces are inserted in connection through-hole and connecting hole, are formed
The sealed connection of pot cover and fusion crucible.
5. compression casting according to claim 1 or 4 salt core producing device, which is characterized in that the melting and heat preservation furnace
It is set in the sliding slot that a section is concave, length direction is provided with two sliding rails along the chute for sliding slot bottom surface, two sliding rails bottom along the chute
The arrangement of face width direction parallel interval, a furnace bottom trolley are slideably positioned on two sliding rails, and the melting and heat preservation grate is set to furnace bottom
On trolley.
6. compression casting according to claim 1 salt core producing device, which is characterized in that the lifting hydraulic cylinder passes through
One connection frame and the lifting transverse slat are drivingly connected, and the connection frame includes two connection vertical bars and the both ends of vertical spacing setting
It is connected to the connection cross bar of two connection vertical bar upper ends, is spaced apart on support frame as described above cross bar along cross bar length direction and is equipped with two
Jack, connection frame two connect vertical bar and are protruded on the inside of support frame and connect with the lifting transverse slat, the lifting liquid by jack respectively
Cylinder pressure output end and the connection cross bar are drivingly connected.
7. compression casting according to claim 1 or 6 salt core producing device, which is characterized in that under the lifting transverse slat
Surface passes through movable plate on one and connect with mold upper cover plate.
8. compression casting according to claim 1 salt core producing device, which is characterized in that the two traversing hydraulic cylinder is defeated
Outlet passes through side movable plate respectively and connect with the mold both side plate.
9. compression casting according to claim 1 salt core producing device, which is characterized in that pot cover surface air inlet
Quantity is 2, is symmetrically opened in pot cover two sides, and accordingly, the compression gas pipe quantity is 2, is inserted in air inlet respectively.
10. a kind of method that salt core is made with salt core producing device using compression casting described in any one of claims 1 to 9,
It is characterized in that, the production method includes the following steps:
1) salt is placed in fusion crucible, electric cabinet controls heating member in high-temperature melting furnace and heats fusion crucible, until salt is molten
It is melted into salt melt, clears up the impurity on salt melt surface, right pot cover sealing keeps salt melt temperature at 820 ~ 900 DEG C, is
It is with air pressure capable of being increased to prepare；
2) mold is mounted on foundry work platform, and by expects pipe by casing connection to mold inlet, and by mold into
Row preheating, is ready for casting；
3) electric cabinet controls pressure reducing valve, compressed air is filled in fusion crucible by compression gas pipe, compressed air enters fusing
Crucible, salt melt in fusion crucible enter expects pipe by the gap between expects pipe and fusion crucible bottom surface, and through charge tube and
Casing enters die inside type chamber by mold inlet, keeps compressed air pressure, until the intracavitary salting liquid of type integral into
Type solidifies forming salt core, then releases the air pressure in fusion crucible by air inlet, until air pressure and the external world in fusion crucible
Atmospheric pressure is consistent, and salt melt break away from moulds returns the normal level in fusion crucible, and then electric cabinet controls solenoid valve, control
Lifting hydraulic cylinder and two traversing hydraulic cylinders, lifting hydraulic cylinder driving lifting transverse slat rise driven mold upper cover plate and rise, and two is traversing
Hydraulic cylinder driven mold both side plate is traversing outward, and mold die sinking, salt core break away from moulds takes out salt core, completes single salt core production；
4) cleaning mold remaining salt slag of institute in casting process repeats step 3), circulation production salt core；
5) it after salt melt is finished in crucible to be melted, reopens pot cover and adds salt, continue melting, repeat step 1) ~ step 4), after
Continuous production.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811098495.0A CN109014121A (en) | 2018-09-20 | 2018-09-20 | A kind of compression casting salt core producing device and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811098495.0A CN109014121A (en) | 2018-09-20 | 2018-09-20 | A kind of compression casting salt core producing device and preparation method thereof |
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| JP2007144460A (en) * | 2005-11-28 | 2007-06-14 | Toyama Prefecture | Apparatus for manufacturing core for casting and manufacturing method therefor |
| DE102009015984A1 (en) * | 2009-04-02 | 2010-10-07 | Daimler Ag | Method for the production of a salt core for metal casting process for the production of a form cavity in a metal cast part, comprises producing a salt core in a pressure casting process from a salt melt that is pressed in a die |
| CN201644758U (en) * | 2009-11-24 | 2010-11-24 | 重庆佰坛机械制造有限公司 | Low-pressure casting machine |
| KR20140088821A (en) * | 2013-01-03 | 2014-07-11 | 부산대학교 산학협력단 | Production equipment for thin plate and parts with liquid and rheology materials by using electromagnetic stirring system |
| CN204353451U (en) * | 2014-12-22 | 2015-05-27 | 南京博乔机械有限公司 | A kind of air injection machine |
| CN104668516A (en) * | 2013-11-29 | 2015-06-03 | 无锡市双全机械制造厂 | Low-pressure casting machine |
| CN204461052U (en) * | 2015-01-06 | 2015-07-08 | 南京博乔机械有限公司 | One rises liquid melting furnace automatically |
| CN206445201U (en) * | 2017-02-15 | 2017-08-29 | 南京博乔机械有限公司 | A kind of magnesium alloy low-pressure die-casting machine |
| US20180178271A1 (en) * | 2016-12-23 | 2018-06-28 | Hyundai Motor Company | Saltcore for die-casting with aluminum and manufacturing method therefor |
| CN208811060U (en) * | 2018-09-20 | 2019-05-03 | 南京博乔机械有限公司 | A kind of compression casting salt core producing device |
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| JPH1085919A (en) * | 1996-07-22 | 1998-04-07 | Ebisu:Kk | Pressure casting method and apparatus therefor |
| JP2007144460A (en) * | 2005-11-28 | 2007-06-14 | Toyama Prefecture | Apparatus for manufacturing core for casting and manufacturing method therefor |
| DE102009015984A1 (en) * | 2009-04-02 | 2010-10-07 | Daimler Ag | Method for the production of a salt core for metal casting process for the production of a form cavity in a metal cast part, comprises producing a salt core in a pressure casting process from a salt melt that is pressed in a die |
| CN201644758U (en) * | 2009-11-24 | 2010-11-24 | 重庆佰坛机械制造有限公司 | Low-pressure casting machine |
| KR20140088821A (en) * | 2013-01-03 | 2014-07-11 | 부산대학교 산학협력단 | Production equipment for thin plate and parts with liquid and rheology materials by using electromagnetic stirring system |
| CN104668516A (en) * | 2013-11-29 | 2015-06-03 | 无锡市双全机械制造厂 | Low-pressure casting machine |
| CN204353451U (en) * | 2014-12-22 | 2015-05-27 | 南京博乔机械有限公司 | A kind of air injection machine |
| CN204461052U (en) * | 2015-01-06 | 2015-07-08 | 南京博乔机械有限公司 | One rises liquid melting furnace automatically |
| US20180178271A1 (en) * | 2016-12-23 | 2018-06-28 | Hyundai Motor Company | Saltcore for die-casting with aluminum and manufacturing method therefor |
| CN206445201U (en) * | 2017-02-15 | 2017-08-29 | 南京博乔机械有限公司 | A kind of magnesium alloy low-pressure die-casting machine |
| CN208811060U (en) * | 2018-09-20 | 2019-05-03 | 南京博乔机械有限公司 | A kind of compression casting salt core producing device |
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