Die assembly
Technical field
Casting device technical field is the utility model is related to, in particular to a kind of die assembly.
Background technology
At present, precoated sand casting in China's is in the blank stage, and the maximum bright spot of precoated sand casting is that mould can be achieved
Multilayer is cast simultaneously.In correlation technique, as shown in Figures 1 to 4, form unit 10 ' includes:Lower formwork and upper shuttering, lower formwork and
Upper shuttering cooperatively forms the cavity of inner hollow, and casting metal liquid forms required casting after being full of the inside cavity.Overlay film
Sand coating mold module 1 ' is that at least one form unit 10 ' is superimposed to form formwork group, and sprue cup 20 ' is arranged on formwork group
The superiors, therefore, form a kind of stack casting mould.This kind of overlay film sand coating mold module 1 ' is located at formwork due to sprue cup 20 '
The top of group, leaving sprue cup 20 ', inner space suddenly increases metal liquid afterwards, the caused centrifugation masterpiece in casting process
Under, metal liquid can spread to surrounding, and the follow-up metal liquid into formwork group can not give upper chamber due to the effect of gravity
Body continues to provide required metal liquid, but preferentially supplies the modular assembly of the bottom, so as to cause upper strata cavity because not having
Supplement metal liquid in time and cool down, solidify, then influence the inflow of subsequent metal liquid so that formwork group is close to sprue cup
20 ' sides can produce the problem of filling type deficiency in various degree, or even occur that casting fails to fill the phenomenon of type ghost so that consumptive material
Greatly, casting yield is low, substantially increases the production cost of casting.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art or correlation technique.
Therefore, a purpose of the present utility model is to propose a kind of die assembly.
In view of this, according to a purpose of the present utility model, it is proposed that a kind of die assembly, including:Sprue cup;Water conservancy diversion
Device, under sprue cup, guiding device includes flow-guiding channel, the first outlet of the charging aperture insertion sprue cup of flow-guiding channel
It is interior;At least one formwork assemblies, under guiding device, the discharging opening of guiding device is connected, discharging opening is backwards to sprue cup;Its
In, at least one modular assembly is the cavity of inner hollow.
A kind of die assembly provided by the utility model includes:Sprue cup, guiding device and at least one formwork assemblies.It is logical
Cross setting guiding device so that in the first outlet of the charging aperture of the flow-guiding channel of guiding device insertion sprue cup, when to mould
During component casting metal liquid, after metal liquid enters die assembly by sprue cup, flow through charging aperture internal diameter and be less than first outlet
After the guiding device of internal diameter, the flow trace of metal liquid is extended, reduces the metal that guiding device is flowed through in unit area
The volume of liquid, slow down the flow velocity of metal liquid, reduce the centrifugal action of metal liquid, so cause metal liquid due to
Successively the cavity of at least one formwork assemblies is filled after being applied to up to the bottommost of at least one formwork assemblies of gravity,
The quality of casting is ensure that, improves yield rate, reduces production cost and energy consumption;Further, the charging aperture of flow-guiding channel
Insert in the first outlet of sprue cup so that the sky that part metals liquid can be flowed between charging aperture outer wall and first outlet inwall
Gap, by the cooling of air, metal liquid can be set in the gap, and then sprue cup is firmly connected with guiding device
Together, integrally-built air-tightness is ensure that, reduces the probability of generation hole class defect in casting.Meanwhile the structure setting
Rationally, consumptive material is few, and processing technology is simple, is easy to assemble, easy to spread.
According to the above-mentioned die assembly of the utility model, there can also be following additional technical feature:
In the above-mentioned technical solutions, it is preferable that guiding device also includes buffer table, and flow-guiding channel is arranged on the interior of buffer table
In hole, the upper surface of buffer table is stretched out in the end face of charging aperture, and upper surface is towards sprue cup.
In the technical scheme, by the way that flow-guiding channel is arranged in the endoporus of buffer table, the end face of charging aperture, which is stretched out, delays
Rush the upper surface of platform so that when guiding device assembles with sprue cup, the first outlet of the charging aperture insertion sprue cup of flow-guiding channel
Interior, the end face of the first outlet of sprue cup is supported and is located on the upper surface of buffer table, so ensure overall structure assembling precision and
Steadiness, when metal liquid flows through guiding device because of Action of Gravity Field, have part metals liquid and flow into charging aperture, first outlet
And in the space between the upper surface of buffer table, by the cooling of air, metal liquid can be set in the gap, and then cause
Together with sprue cup is securely attached to guiding device, integrally-built air-tightness is ensure that, reduces generation hole class in casting
The probability of defect.Meanwhile the structure setting is simple, it is easy to process, interchangeability is strong.
In any of the above-described technical scheme, it is preferable that the end face of charging aperture is provided with chamfering.
In the technical scheme, the chamfering that charging aperture end face is set has the guide effect relative to first outlet, passes through
In the end face of charging aperture, chamfering is set so that guiding device can accurately smoothly enter the first outlet of sprue cup, be easy to assemble,
And then integrally-built efficiency of assembling is improved, and chamfering structure is simple, is easy to process.
In any of the above-described technical scheme, it is preferable that at least one formwork assemblies are provided with second entrance and entered with second
The second outlet that mouth is adapted, second entrance are inserted in discharging opening, and at least one modular assembly and guiding device are connected into one
Rise;Wherein, linked together between at least one formwork assemblies by second entrance and second outlet.
In the technical scheme, at least one formwork assemblies are provided with second entrance and be adapted with second entrance second
Outlet, when at least one formwork assemblies and guiding device are assembled in second entrance insertion discharging opening, when metal liquid because
When Action of Gravity Field flows through at least one formwork assemblies, the space that part metals liquid is flowed between second entrance and discharging opening is had
Interior, by the cooling of air, metal liquid can be set in the gap, and then causes guiding device and at least one formwork assemblies
It is securely attached to together, ensure that integrally-built air-tightness, reduces the probability of generation hole class defect in casting;Further
Ground, linked together by second entrance and second outlet between at least one formwork assemblies, when metal liquid is because of Action of Gravity Field stream
During through at least one formwork assemblies, have part metals liquid and flow into the space between second entrance and second outlet, pass through
The cooling of air, metal liquid can be set in the gap, and then at least one formwork assemblies are securely attached to together,
It ensure that integrally-built steadiness and air-tightness.Meanwhile the structure setting is easy to process, production cost is low, and efficiency of assembling is high.
In any of the above-described technical scheme, it is preferable that discharging opening is groove structure.
In the technical scheme, discharging opening is groove structure so that when guiding device assembles with least one modular assembly,
The end face of second entrance is supported and is located on the inwall of groove structure, and then ensures the precision and steadiness of overall structure assembling, works as gold
Category liquid because Action of Gravity Field flow through at least one modular assembly when, have part metals liquid flow into second entrance and discharging opening it
Between space in, by the cooling of air, metal liquid can be set in the gap, so cause guiding device with it is at least one
Modular assembly is securely attached to together, ensure that integrally-built air-tightness, reduces and the general of hole class defect is generated in casting
Rate.Meanwhile the structure setting is simple, it is easy to process, interchangeability is strong.
In any of the above-described technical scheme, it is preferable that guiding device is integral type structure.
In the technical scheme, guiding device is integral type structure, compact-sized and reliable and stable, be easy to guiding device with
The assembling of sprue cup and at least one formwork assemblies, good sealing effect.
In any of the above-described technical scheme, it is preferable that the quantity of at least one formwork assemblies is 5.
In the technical scheme, the quantity of at least one formwork assemblies is 5, and metal liquid enters set of molds by sprue cup
After part, flow through guiding device, then by gravity action metals liquid reach 5 formwork assemblies bottommost after successively to 5
The cavity of individual formwork assemblies is filled, and be ensure that the quality of casting, is improved yield rate, reduces production cost and energy consumption.
In any of the above-described technical scheme, it is preferable that the first entrance of sprue cup is relative with first outlet and sets, and first enters
The internal diameter of mouth is more than the internal diameter of first outlet.
In the technical scheme, by setting the first entrance to set relative with first outlet on sprue cup so that the
The internal diameter of one entrance is more than the internal diameter of first outlet, is easy to its interior casting metal liquid, when reducing casting metal liquid
Position limitation requirement;Further, the internal diameter of first entrance is more than the internal diameter of first outlet, the casting metal liquid into sprue cup
When, have part metals liquid and hoard in first outlet, and then slow down the flow velocity of metal liquid, reduce metal liquid from
The heart acts on.
In any of the above-described technical scheme, it is preferable that the value of the distance of the inwall of the outer wall of charging aperture to first outlet
Scope is 2mm to 5mm.
In the technical scheme, by rationally setting the outer wall of charging aperture to be allowed to take to the distance of the inwall of first outlet
Value scope is 2mm to 5mm, on the premise of the steadiness of sprue cup and guiding device assembling is ensured so that when to die assembly
During casting metal liquid, after metal liquid enters die assembly by sprue cup, flow through charging aperture internal diameter and be less than first outlet internal diameter
Guiding device after, extend the flow trace of metal liquid, reduce the metal liquid that guiding device is flowed through in unit area
Volume, slow down the flow velocity of metal liquid, reduce the centrifugal action of metal liquid, and then cause metal liquid due to gravity
Be applied to up to the bottommost of at least one formwork assemblies after successively the cavity of at least one formwork assemblies is filled, ensure
The quality of casting, meanwhile, the space that part metals liquid can be flowed between charging aperture outer wall and first outlet inwall, by sky
The cooling of gas, metal liquid can be set in the gap, and then together with make it that sprue cup is securely attached to guiding device, are protected
Integrally-built air-tightness has been demonstrate,proved, has reduced the probability of generation hole class defect in casting.
In any of the above-described technical scheme, it is preferable that die assembly is casting overlay film sand coating mold module.
In the technical scheme, casting is with overlay film sand coating mold module by rationally setting sprue cup, guiding device and at least
The structure of one formwork assemblies, in the case where ensureing overall assembling structure steadiness and air-tightness, the quality of casting is improved,
The yield rate of casting is improved, reduces production cost and energy consumption.
Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality
The practice of type is recognized.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein:
Fig. 1 is the front view of the die assembly in correlation technique;
Fig. 2 is the structural representation of the die assembly in correlation technique;
Fig. 3 is the front view of the form unit in correlation technique;
Fig. 4 is the structural representation of the form unit in correlation technique;
Fig. 5 is the front view of the die assembly of the utility model one embodiment;
Fig. 6 is the structural representation of the die assembly of the utility model one embodiment;
Fig. 7 is the structural representation of guiding device in the utility model one embodiment;
Fig. 8 is the front view of guiding device in the utility model one embodiment;
Fig. 9 is sectional view of the guiding device of embodiment illustrated in fig. 8 along A-A;
Figure 10 is the top view of the guiding device of embodiment illustrated in fig. 8.
Wherein, corresponding relations of the Fig. 1 into Fig. 4 between reference and component names is:
1 ' overlay film sand coating mold module, 10 ' form units, 20 ' sprue cups;
Corresponding relations of the Fig. 5 into Figure 10 between reference and component names be:
1 die assembly, 10 sprue cups, 20 guiding devices, 202 charging apertures, 204 discharging openings, 206 buffer tables, 30 formwork groups
Part.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to be different from other modes described here using other to implement, therefore, the scope of protection of the utility model is simultaneously
Do not limited by following public specific embodiment.
Referring to Fig. 5 to Figure 10 descriptions according to the utility model some embodiments refrigerator.
As shown in Figures 5 to 9, the embodiment of the utility model first aspect proposes a kind of die assembly 1, including:Pour
Cup 10;Guiding device 20, under sprue cup 10, guiding device 20 includes flow-guiding channel, the charging aperture 202 of flow-guiding channel
Insert in the first outlet of sprue cup 10;At least one formwork assemblies 30, under guiding device 20, connect guiding device 20
Discharging opening 204, discharging opening 204 is backwards to sprue cup 10;Wherein, at least one modular assembly is the cavity of inner hollow.
A kind of die assembly 1 provided by the utility model includes:Sprue cup 10, guiding device 20 and at least one formwork group
Part 30.By setting guiding device 20 so that the charging aperture 202 of the flow-guiding channel of guiding device 20 inserts the first of sprue cup 10
In outlet, when to 1 casting metal liquid of die assembly, after metal liquid enters die assembly 1 by sprue cup 10, charging is flowed through
After 202 internal diameters of mouth are less than the guiding device 20 of first outlet internal diameter, the flow trace of metal liquid is extended, reduces unit plane
The volume of the metal liquid of guiding device 20 is flowed through in product, slow down the flow velocity of metal liquid, reduces the centrifugation of metal liquid
Effect, so cause metal liquid due to after being applied to up to the bottommost of at least one formwork assemblies 30 of gravity successively at least
The cavity of one formwork assemblies 30 is filled, and be ensure that the quality of casting, is improved yield rate, reduces production cost and energy
Consumption;Further, the charging aperture 202 of flow-guiding channel is inserted in the first outlet of sprue cup 10 so that part metals liquid can flow
Enter the space between the outer wall of charging aperture 202 and first outlet inwall, by the cooling of air, metal liquid can be set in the gap
It is interior, and then together with make it that sprue cup 10 is securely attached to guiding device 20, ensure that integrally-built air-tightness, reduce casting
The probability of generation hole class defect in part.Meanwhile the structure setting is reasonable, consumptive material is few, and processing technology is simple, is easy to assemble, easily
In popularization.
In one embodiment of the present utility model, it is preferable that as shown in Fig. 6 to Figure 10, guiding device 20 also includes slow
Platform 206 is rushed, flow-guiding channel is arranged in the endoporus of buffer table 206, and the upper surface of buffer table 206 is stretched out in the end face of charging aperture 202,
Upper surface is towards sprue cup 10.
In this embodiment, by the way that flow-guiding channel is arranged in the endoporus of buffer table 206, the end face of charging aperture 202 is stretched
Go out the upper surface of buffer table 206 so that when guiding device 20 assembles with sprue cup 10, the insertion of charging aperture 202 of flow-guiding channel is poured
In the first outlet of cup 10, the end face of the first outlet of sprue cup 10, which is supported, to be located on the upper surface of buffer table 206, and then is ensured
The precision and steadiness of overall structure assembling, when metal liquid flows through guiding device 20 because of Action of Gravity Field, have part metals
Liquid is flowed into the space between the upper surface of charging aperture 202, first outlet and buffer table 206, by the cooling of air, metal
Liquid can be set in the gap, and then together with make it that sprue cup 10 is securely attached to guiding device 20, ensure that entirety
The air-tightness of structure, reduce the probability of generation hole class defect in casting.Meanwhile the structure setting is simple, it is easy to process, exchanges
Property is strong.
In one embodiment of the present utility model, it is preferable that the end face of charging aperture 202 is provided with chamfering.
In this embodiment, the chamfering that the end face of charging aperture 202 is set has the guide effect relative to first outlet, passes through
Chamfering is set in the end face of charging aperture 202 so that guiding device 20 can accurately smoothly enter the first outlet of sprue cup 10, just
In assembling, and then integrally-built efficiency of assembling is improved, and chamfering structure is simple, is easy to process.
In one embodiment of the present utility model, it is preferable that at least one formwork assemblies 30 be provided with second entrance and
The second outlet being adapted with second entrance, second entrance are inserted in discharging opening 204, and at least one modular assembly and water conservancy diversion are filled
20 are put to link together;Wherein, linked together between at least one formwork assemblies 30 by second entrance and second outlet.
In this embodiment, at least one formwork assemblies 30 are provided with second entrance and be adapted with second entrance second
Outlet, when at least one formwork assemblies 30 are assembled with guiding device 20 in second entrance insertion discharging opening 204, work as metal
Liquid because Action of Gravity Field flow through at least one formwork assemblies 30 when, have part metals liquid and flow into second entrance and discharging opening
In space between 204, by the cooling of air, metal liquid can be set in the gap, so cause guiding device 20 with
At least one formwork assemblies 30 are securely attached to together, ensure that integrally-built air-tightness, reduce generation hole in casting
The probability of class defect;Further, linked together between at least one formwork assemblies 30 by second entrance and second outlet, when
Metal liquid because Action of Gravity Field flow through at least one formwork assemblies 30 when, have part metals liquid flow into second entrance and second
In space between outlet, by the cooling of air, metal liquid can be set in the gap, and then causes at least one formwork
Component 30 is securely attached to together, ensure that integrally-built steadiness and air-tightness.Meanwhile the structure setting is easy to add
Work, production cost is low, and efficiency of assembling is high.
In one embodiment of the present utility model, it is preferable that discharging opening 204 is groove structure.
In this embodiment, discharging opening 204 is groove structure so that guiding device 20 assembles with least one modular assembly
When, the end face of second entrance, which is supported, to be located on the inwall of groove structure, and then ensures the precision and steadiness of overall structure assembling, when
Metal liquid because Action of Gravity Field flow through at least one modular assembly when, have part metals liquid and flow into second entrance and discharging opening
In space between 204, by the cooling of air, metal liquid can be set in the gap, so cause guiding device 20 with
At least one modular assembly is securely attached to together, ensure that integrally-built air-tightness, reduces generation hole class in casting
The probability of defect.Meanwhile the structure setting is simple, it is easy to process, interchangeability is strong.
In one embodiment of the present utility model, it is preferable that guiding device 20 is integral type structure.
In this embodiment, guiding device 20 is integral type structure, compact-sized and reliable and stable, is easy to guiding device 20
With the assembling of sprue cup 10 and at least one formwork assemblies 30, good sealing effect.
In one embodiment of the present utility model, it is preferable that the quantity of at least one formwork assemblies 30 is 5.
In this embodiment, the quantity of at least one formwork assemblies 30 is 5, and metal liquid enters mould by sprue cup 10
After component 1, guiding device 20 is flowed through, after then reaching the bottommost of 5 formwork assemblies 30 by the action metals liquid of gravity
Successively the cavity of 5 formwork assemblies 30 is filled, the quality of casting is ensure that, improves yield rate, reduce and be produced into
Sheet and energy consumption.
In one embodiment of the present utility model, it is preferable that the first entrance of sprue cup 10 it is relative with first outlet and
If the internal diameter of first entrance is more than the internal diameter of first outlet.
In this embodiment, by setting the first entrance to set relative with first outlet on sprue cup 10 so that the
The internal diameter of one entrance is more than the internal diameter of first outlet, is easy to its interior casting metal liquid, when reducing casting metal liquid
Position limitation requirement;Further, the internal diameter of first entrance is more than the internal diameter of first outlet, the casting of molten metal into sprue cup 10
During body, have part metals liquid and hoard in first outlet, and then slow down the flow velocity of metal liquid, reduce metal liquid
Centrifugal action.
In one embodiment of the present utility model, it is preferable that the inwall of the outer wall of charging aperture 202 to first outlet away from
From span be 2mm to 5mm.
In this embodiment, by rationally setting the outer wall of charging aperture 202 to be allowed to take to the distance of the inwall of first outlet
Value scope is 2mm to 5mm, on the premise of steadiness that sprue cup 10 and guiding device 20 assemble is ensured so that when to mould
During 1 casting metal liquid of component, after metal liquid enters die assembly 1 by sprue cup 10, flow through the internal diameter of charging aperture 202 and be less than the
After the guiding device 20 of one exit inside diameter, the flow trace of metal liquid is extended, reduces and water conservancy diversion dress is flowed through in unit area
The volume of 20 metal liquid is put, slow down the flow velocity of metal liquid, reduces the centrifugal action of metal liquid, and then cause gold
Category liquid due to after being applied to up to the bottommost of at least one formwork assemblies 30 of gravity successively at least one formwork assemblies 30
Cavity be filled, ensure that the quality of casting, meanwhile, part metals liquid can flow into the outer wall of charging aperture 202 and first and go out
Space between intraoral wall, by the cooling of air, metal liquid can be set in the gap, and then causes sprue cup 10 with leading
Stream device 20 is securely attached to together, ensure that integrally-built air-tightness, reduces and the general of hole class defect is generated in casting
Rate.
In one embodiment of the present utility model, it is preferable that die assembly 1 is casting overlay film sand coating mold module 1.
In this embodiment, casting with overlay film sand coating mold module 1 by rationally setting sprue cup 10, guiding device 20 and extremely
The structure of few formwork assemblies 30, in the case where ensureing overall assembling structure steadiness and air-tightness, improves casting
Quality, the yield rate of casting is improved, reduces production cost and energy consumption.
In the utility model, term " multiple " then refers to two or more, is limited unless otherwise clear and definite.Term
The term such as " installation ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected,
Can be detachably connected, or be integrally connected;" connected " can be joined directly together, and can also pass through the indirect phase of intermediary
Even.For the ordinary skill in the art, it can understand above-mentioned term in the utility model as the case may be
Concrete meaning.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining specific features, structure, material or feature that the embodiment or example describe is contained in of the present utility model at least one
In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term
Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.