CN207308885U - Cast model - Google Patents
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- CN207308885U CN207308885U CN201721054405.9U CN201721054405U CN207308885U CN 207308885 U CN207308885 U CN 207308885U CN 201721054405 U CN201721054405 U CN 201721054405U CN 207308885 U CN207308885 U CN 207308885U
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- mould
- evaporative pattern
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- load
- supporting rod
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Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model provides a kind of cast model, including：The white mould of first evaporative pattern and the white mould of the second evaporative pattern；Load-bearing mould, cylindrical structure, load-bearing mould one end are connected with the white mould of the first evaporative pattern, and the other end is connected with the white mould of the second evaporative pattern；Wherein, load-bearing mould is by resin sand bonding and extrusion forming, to form column construction.Cast model provided by the utility model, when being positioned in being put into sand mo(u)ld, can more it stablize, relatively thin side wall is not easy to produce deformation under the extruding of sand, when being cast, it can accomplish optimization filtering, while the temperature difference between load-bearing mould and the white mould of the first evaporative pattern and the white mould of the second evaporative pattern can be held, easy to be controlled to heat dissipation change, there is good flexibility and hardness after making load-bearing die cast.
Description
Technical field
Casting field is the utility model is related to, in particular to a kind of cast model.
Background technology
Lost foam casting is also known as dry sand vacuum full mould casting, and foreign countries are referred to as EPC, is current casting state-of-the-art in the world
One of technique is made, once " revolution " being known as in casting history, is referred to as 21 century Green foundry both at home and abroad.
The casting of evaporative pattern includes following processing step:
A, foamed gasified pattern is made；
B, composite pouring system；
C, gasify and the special fireproof coating of mould surface spary and dry；
D, special interlayer sandbox is placed on three-dimensional vibrating workbench；
E, bed load (drystone sand) jolt ramming is inserted, is struck off；
F, the gasified pattern of drying is put on bed load, dry sand is filled up by technological requirement, numerical control vibration appropriate time, then
Strike off case mouth；
G, with covered rearing with plastic film case mouth, sprue cup is put, vacuum system is started, after dry sand fastening shaping, is poured into a mould,
Gasified pattern disappears, and molten metal substitutes its position；
H, discharge vacuum, by technique after casting condensation after mould turnover, take out casting from loose quartz sand.
However, existing evaporative pattern is main body using foamed plastics, in casting process, there are following problem：
(1) in cavity where impurity can flow into evaporative pattern when casting, casting quality is influenced；
(2) evaporative pattern is buried in sand, the extruding force of sand can deform the weak area of foamed plastics；
(3) power being subjected to by each position of casting is different, it is necessary to carry out delaying to keep the temperature to subregion, or
It is to speed up cooling down, existing structure cannot all reach good effect, cause the weight bearing area of casting more crisp, so as to easily occur
Situation about fractureing.
Utility model content
At least one in order to solve the above-mentioned technical problem, a purpose of the utility model is to provide a kind of casting mould
Type.
To achieve the above object, the embodiment of the utility model provides a kind of cast model, including：First evaporative pattern is white
Mould and the white mould of the second evaporative pattern；Load-bearing mould, cylindrical structure, load-bearing mould one end are connected with the white mould of the first evaporative pattern, the other end with
The white mould connection of second evaporative pattern；Wherein, load-bearing mould is by resin sand bonding and extrusion forming, to form column construction.
Cast model provided by the utility model, by setting the cylindrical structure of load-bearing mould, and by one end of load-bearing mould with
The connection of first evaporative pattern white mould, the other end are connected with the white mould of the second evaporative pattern so that by cast model embedment sand mo(u)ld into
During row casting, metal liquid first can melt the white mould of the first evaporative pattern and the white mould of the second evaporative pattern, slowly penetrate into load-bearing afterwards
Mould, load-bearing mould is slowly melted, and in this process, is easy to hold load-bearing mould mould white with the first evaporative pattern and the second evaporative pattern is white
Temperature difference between mould, realizes the control to heat dissipation change, so that having good flexibility and hardness after load-bearing die cast.
Wherein, load-bearing mould bonds simultaneously extrusion forming by resin sand, slowly penetrates into load-bearing mould in metal liquid, and load-bearing mould is slow
During slow fusing, the temperature of load-bearing mould part can be than relatively low so that there is preferable elastic-restoring force after the insulation of load-bearing mould,
So that the load-bearing mould part has certain flexibility, it is not easy really up to the mark, excessively crisp, and then is not easy the feelings that stress fractures occur
Condition, greatly improved the quality of casting.
In addition, the cast model in above-described embodiment provided by the utility model can also have following supplementary technology spy
Sign：
In above-mentioned technical proposal, it is preferable that load-bearing mould is arranged between the white mould of the first evaporative pattern and the white mould of the second evaporative pattern.
In the present solution, by the way that load-bearing mould is arranged between the white mould of the first evaporative pattern and the white mould of the second evaporative pattern, conveniently make
The metal liquid for flowing into the white mould part of the first evaporative pattern and the white mould part of the second evaporative pattern flows into load-bearing mould part at the same time, so that
Load-bearing mould part has higher structural stability, and after casting is formed, frangibility is not allowed in load-bearing mould part.
In any of the above-described technical solution, it is preferable that further include：Extend diversion division, including diversion column and injection module, water conservancy diversion
The middle part of column and injection module connects, and the both ends of injection module connect the white mould of the first evaporative pattern respectively and the second evaporative pattern is white
Mould.
In the present solution, the middle part of diversion column and injection module connects, the both ends of injection module connect first respectively
The white mould of evaporative pattern and the white mould of the second evaporative pattern, specifically, when the cast model is embedded in sand mo(u)ld, the top of diversion column is higher than
Sand mo(u)ld is set, and in order to cast, in addition, by setting injection module, the metal liquid from diversion column inflow can be made same
When branch in the white mould of the first evaporative pattern and the white mould of the second evaporative pattern, so as to lift the structural stability of casting entirety.
In any of the above-described technical solution, it is preferable that injection module is horizontally disposed with, and diversion column is in the top of injection module,
And it is vertically arranged.
In the present solution, by the way that diversion column is vertically arranged, injection module is horizontally disposed with, and diversion column is arranged on injection mould
The top of block so that metal liquid can equably branch to the white mould part of the first evaporative pattern and second under gravity
The white mould part of evaporative pattern, while the flow velocity of metal liquid can be improved, and then lift castability and casting efficiency.
In any of the above-described technical solution, it is preferable that further include：Cast filter screen, installed in diversion column and injection module it
Between；Wherein, the length for casting filter screen is more than the width or length of injection module.
In the present solution, by installing casting filter screen between diversion column and injection module, and casting filter screen is set
Length be more than injection module width or length so that during metal liquid inject, metal liquid by diversion column with
After injection module fusing, since casting filter screen length is big, and it will not be melted, casting filter screen will can be embedded in sand mo(u)ld,
Inlet is stopped, so as to fulfill effective filtering to metal liquid, impurity is not easy to flow into the type where cast model during casting
In chamber, so as to improve casting quality.
In any of the above-described technical solution, it is preferable that further include:At least one first support bar, first support bar one end lead to
The side wall that hot melt adhesive is crossed with the white mould of the first evaporative pattern is fixedly connected, and the other end passes through hot melt adhesive and the side wall of the white mould of the second evaporative pattern
It is fixedly connected.
Pass through hot melt adhesive and the in the present solution, by setting at least one first support bar, making first support bar one end
The side wall of the white mould of one evaporative pattern is fixedly connected, and the other end is fixedly connected by hot melt adhesive with the side wall of the white mould of the second evaporative pattern, energy
Relative spacing between enough white moulds of the first evaporative pattern of control and the white mould of the second evaporative pattern easily and effectively, is covered by the cast model
When being embedded in sand, the relative spacing between the white mould of the first evaporative pattern and the white mould of the second evaporative pattern is not susceptible to the extruding force of sand
Influence and change, so that casting accuracy is effectively improved, lifting casting reliability.
In any of the above-described technical solution, it is preferable that further include:At least one second support bar, is arranged at the first evaporative pattern
On Bai Mo, the both ends of second support bar are fixed by two Different Planes in hot melt adhesive and the white mould of the first evaporative pattern respectively to be connected
Connect；And/or at least one 3rd supporting rod, it is arranged on the white mould of the second evaporative pattern, the both ends of the 3rd supporting rod pass through heat respectively
Melten gel is fixedly connected with two Different Planes on the white mould of the second evaporative pattern.
In the present solution, by setting at least one second support bar on the white mould of the first evaporative pattern, make second support bar
Both ends be fixedly connected respectively by hot melt adhesive with two Different Planes on the white mould of the first evaporative pattern, and/or second disappear
At least one 3rd supporting rod is set on Mo Baimo, makes the both ends of the 3rd supporting rod white by hot melt adhesive and the second evaporative pattern respectively
Two Different Planes on mould are fixedly connected so that when the cast model is buried in sand, the white mould of the first evaporative pattern and/
Or second the weak area of the white mould of evaporative pattern be not susceptible to the extruding force of sand and influence and deform so that it is smart to further improve casting
Degree.
In any of the above-described technical solution, it is preferable that the shape of cross section of first support bar is square, it is circular, semicircle or
Triangle；The shape of cross section of second support bar is square, is circular, semicircle or triangle；The cross section shape of 3rd supporting rod
Shape is square, is circular, semicircle or triangle.
In the present solution, the shape of cross section of first support bar, second support bar and the 3rd supporting rod can be square,
Circular, semicircle or triangle, so that convenient be used cooperatively with cast model of different shapes, it is real to lift the precision of casting
It is good with property, and reliability when being fixedly connected by hot melt adhesive with cast model is higher.
In any of the above-described technical solution, it is preferable that first support bar includes wooden supporting rod and bamboo supporting rod；Second support bar
Including wooden supporting rod and bamboo supporting rod；3rd supporting rod includes wooden supporting rod and bamboo supporting rod.
In the present solution, first support bar, second support bar and the 3rd supporting rod include wooden supporting rod and bamboo supporting rod,
When the white mould of the first evaporative pattern and the white mould of the second evaporative pattern are melted, first support bar, second support bar and the 3rd supporting rod
,, also can be rapid in the case where carrying out the effect of vibration of mould turnover sand removal after casting cooling even if imperfect combustion by rapid melting
It is defeated and dispersed into molding sand, practicality is good.
In any of the above-described technical solution, it is preferable that the white mould of the first evaporative pattern and the white mould of the second evaporative pattern are by foamed plastics
It is made.
In the present solution, the white mould of the first evaporative pattern and the white mould of the second evaporative pattern have foamed plastics to be made, cast shape is smart
Really, it is reproducible, there is hot investment casting, while production cost is reduced, greatly reduce personnel labor intensity.
In any of the above-described technical solution, it is preferable that further include：Fireproof coating, on the outer surface coated on cast model.
In the present solution, by the outer surface coating refractory coating in cast model, it can effectively reduce and scab, gas occur
Hole and the phenomenon of trachoma, have preferable buffer action.
In any of the above-described technical solution, it is preferable that the shape of cross section of load-bearing mould is square, circle, ellipse, diamond shape,
Trapezoidal or triangle.
In the present solution, the shape of cross section of load-bearing mould is including but not limited to square, circular, oval, diamond shape, it is trapezoidal and
Any one in triangle, to meet the needs of a variety of similar products, makes the weight bearing area of the similar product can have
Good flexibility and hardness.
The additional aspect and advantage of the 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
Fig. 1 shows the structure diagram of the cast model of one embodiment according to the present utility model；
Fig. 2 shows the structure diagram of the cast model of a specific embodiment according to the present utility model.
Wherein, the correspondence in Fig. 1 and Fig. 2 between reference numeral and component names is：
100 cast models, 200 sand mo(u)lds, the 102 first white moulds of evaporative pattern, the 104 second white moulds of evaporative pattern, 106 load-bearing moulds, 108
Diversion column, 110 injection modules, 112 casting filter screens, 114 first support bars, 116 second support bars.
Embodiment
In order to be more clearly understood that the above-mentioned purpose of the utility model, feature and advantage, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the case where there is no conflict, 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 implemented using other different from other modes described here, therefore, the scope of protection of the utility model is simultaneously
It is not limited to the limitation of following public specific embodiment.
Cast model referring to Fig. 1 and Fig. 2 descriptions according to the utility model some embodiments offer.
As shown in Figure 1, the cast model 100 that the utility model embodiment provides, including：White 102 He of mould of first evaporative pattern
The white mould 104 of second evaporative pattern；Load-bearing mould 106, cylindrical structure, 106 one end of load-bearing mould mould 102 white with the first evaporative pattern are connected,
Other end mould 104 white with the second evaporative pattern is connected；Wherein, load-bearing mould 106 is by resin sand bonding and extrusion forming, to form cylindricality
Structure.
Cast model 100 provided by the utility model, by setting 106 cylindrical structure of load-bearing mould, and by load-bearing mould 106
One end mould 102 white with the first evaporative pattern be connected, other end mould 104 white with the second evaporative pattern is connected so that by the casting mould
When being cast in the embedment sand mo(u)ld 200 of type 100, metal liquid can be first white by white 102 and second evaporative pattern of mould of the first evaporative pattern
Mould 104 melts, and slowly penetrates into load-bearing mould 106 afterwards, load-bearing mould 106 is slowly melted, and in this process, is easy to hold load-bearing
Temperature difference between the white mould 104 of white 102 and second evaporative pattern of mould of 106 and first evaporative pattern of mould, realizes the control to heat dissipation change,
So that load-bearing mould 106 has good flexibility and hardness after casting.
Wherein, load-bearing mould 106 is slowly penetrated into load-bearing mould 106 in metal liquid, will be held by resin sand bonding and extrusion forming
During molality 106 slowly melts, the temperature of 106 part of load-bearing mould can be than relatively low so that load-bearing mould 106 keep the temperature after have compared with
Good elastic-restoring force, so that 106 part of load-bearing mould has certain flexibility, is not easy really up to the mark, excessively crisp, and then is not easy
There is the situation that stress fractures, the quality of casting greatly improved.
In one embodiment of the utility model, the central axes of load-bearing mould are arc-shaped, and both ends are connected to first
On the white mould 104 of white 102 and second evaporative pattern of mould of evaporative pattern.
In one embodiment of the utility model, as shown in Figure 1, load-bearing mould 106 be arranged on the white mould 102 of the first evaporative pattern with
Between the white mould 104 of second evaporative pattern.
In the present solution, by by load-bearing mould 106 be arranged on the white mould 104 of white 102 and second evaporative pattern of mould of the first evaporative pattern it
Between, conveniently make the metal liquid of white 102 part of mould of the first evaporative pattern of inflow and white 104 part of mould of the second evaporative pattern while flow into hold
106 part of molality, so that 106 part of load-bearing mould has higher structural stability, after casting is formed, load-bearing mould 106
Divide and do not allow frangibility.
Wherein, specifically, as shown in Figure 1, load-bearing mould is in cylinder, and perpendicular to the white mould 102 and second of the first evaporative pattern
The white mould 104 of evaporative pattern is set, naturally it is also possible to which the white mould 104 of mould 102 and the second evaporative pattern white with the first evaporative pattern is angled respectively
Set, or be curved column.
In some embodiments of the utility model, as depicted in figs. 1 and 2, cast model further includes：Extend diversion division,
Including diversion column 108 and injection module 110, diversion column 108 is connected with the middle part of injection module 110, injection module 110
Both ends connect the white mould 104 of white 102 and second evaporative pattern of mould of the first evaporative pattern respectively.
In the present solution, diversion column 108 is connected with the middle part of injection module 110, the both ends of injection module 110 are distinguished
The white mould 104 of white 102 and second evaporative pattern of mould of the first evaporative pattern is connected, specifically, which is being embedded to sand mo(u)ld 200
When middle, the top of diversion column 108 is set higher than sand mo(u)ld 200, in order to cast, in addition, by setting injection module 110,
It can make to branch to the white mould 104 of white 102 and second evaporative pattern of mould of the first evaporative pattern at the same time from the metal liquid that diversion column 108 flows into
In, so as to lift the structural stability of casting entirety.
Wherein it is possible to understand, load-bearing mould is set partially below extension diversion division.
In some embodiments of the utility model, as shown in Figure 1, injection module 110 is horizontally disposed, at diversion column 108
In the top of injection module 110, and it is vertically arranged.
In the present solution, by the way that diversion column 108 is vertically arranged, injection module 110 is horizontally disposed, and by diversion column 108
Arranged on the top of injection module 110 so that metal liquid it is white can equably to branch to the first evaporative pattern under gravity
102 part of mould and white 104 part of mould of the second evaporative pattern, while the flow velocity of metal liquid can be improved, and then lift castability
With casting efficiency.
In some embodiments of the utility model, as shown in Figure 1, cast model further includes：Cast filter screen 112, peace
Between diversion column 108 and injection module 110；Wherein, the length for casting filter screen 112 is more than the width of injection module 110
Or length.
In the present solution, by installing casting filter screen 112 between diversion column 108 and injection module 110, and casting is set
The length for making filter screen 112 is more than the width or length of injection module 110 so that during metal liquid is injected, metal
After liquid melts diversion column 108 and injection module 110, it since casting 112 length of filter screen is big, and will not be melted, cast
Filter screen 112 will can be embedded in sand mo(u)ld 200, and inlet be stopped, so as to fulfill effective filtering to metal liquid, during casting
Impurity is not easy to flow into the cavity at the place of cast model 100, so as to improve casting quality.
In some embodiments of the utility model, as shown in Figure 1, cast model further includes:At least one first support
Bar 114,114 one end of first support bar are fixedly connected by the side wall of hot melt adhesive mould 102 white with the first evaporative pattern, and the other end passes through
The side wall of hot melt adhesive mould 104 white with the second evaporative pattern is fixedly connected.
In the present solution, by setting at least one first support bar 114,114 one end of first support bar is set to pass through hot melt
The side wall of glue mould 102 white with the first evaporative pattern is fixedly connected, and the other end passes through hot melt adhesive and the side wall of the white mould 104 of the second evaporative pattern
It is fixedly connected, between opposite between the white mould 104 of white 102 and second evaporative pattern of mould of the first evaporative pattern of control that can be easily and effectively
Away from when the cast model 100 is buried in sand, between the white mould 104 of white 102 and second evaporative pattern of mould of the first evaporative pattern
The extruding force that relative spacing is not susceptible to sand is influenced and changed, so as to effectively improve casting accuracy, lifting casting is reliable
Property.
In some embodiments of the utility model, as shown in Figure 1, cast model further includes:At least one second support
Bar 116, is arranged on the white mould 102 of the first evaporative pattern, the both ends of second support bar 116 pass through hot melt adhesive and the first evaporative pattern respectively
Two Different Planes on white mould 102 are fixedly connected；And/or at least one 3rd supporting rod, it is arranged at the white mould of the second evaporative pattern
On 104, the both ends of the 3rd supporting rod are fixed by two Different Planes in hot melt adhesive and the white mould 104 of the second evaporative pattern respectively to be connected
Connect.
In the present solution, by setting at least one second support bar 116 on the white mould 102 of the first evaporative pattern, make second
The both ends of supporting rod 116 are fixedly connected by two Different Planes on hot melt adhesive mould 102 white with the first evaporative pattern respectively, and/
Or at least one 3rd supporting rod is set on the white mould 104 of the second evaporative pattern, the both ends of the 3rd supporting rod is passed through hot melt respectively
Two Different Planes on glue mould 104 white with the second evaporative pattern are fixedly connected so that the cast model 100 is being buried in sand
When middle, the weak area of the white mould 104 of white 102 and/or second evaporative pattern of mould of the first evaporative pattern is not susceptible to the extruding force influence of sand
And deform, so as to further improve casting accuracy.
In some embodiments of the utility model, the shape of cross section of first support bar 114 is square, circular, semicircle
Shape or triangle；The shape of cross section of second support bar 116 is square, is circular, semicircle or triangle；The horizontal stroke of 3rd supporting rod
Cross sectional shape is square, is circular, semicircle or triangle.
In the present solution, first support bar 114, the shape of cross section of 116 and the 3rd supporting rod of second support bar can
It is square, is circular, semicircle or triangle, so that convenient is used cooperatively with cast model 100 of different shapes, to lift casting
Precision, practicality is good, and reliability when being fixedly connected by hot melt adhesive with cast model 100 is higher.
In some embodiments of the utility model, first support bar 114 includes wooden supporting rod and bamboo supporting rod；Second
Strut 116 includes wooden supporting rod and bamboo supporting rod；3rd supporting rod includes wooden supporting rod and bamboo supporting rod.
In the present solution, first support bar 114,116 and the 3rd supporting rod of second support bar include wooden supporting rod and bamboo
Supporting rod, when the white mould 104 of white 102 and second evaporative pattern of mould of the first evaporative pattern is melted, first support bar 114, second supports
116 and the 3rd supporting rod of bar also by rapid melting, even if imperfect combustion, after casting cooling, is carrying out shaking for mould turnover sand removal
, also can be defeated and dispersed into molding sand rapidly under action is used, practicality is good.
In some embodiments of the utility model, the white mould 104 of white 102 and second evaporative pattern of mould of the first evaporative pattern is by bubble
Foam plastics are made.
In the present solution, the white mould 104 of white 102 and second evaporative pattern of mould of the first evaporative pattern has foamed plastics to be made, casting
Shape is accurate, reproducible, has the characteristics that hot investment casting, while reduces production cost, and it is strong to greatly reduce personnel's work
Degree.
In some embodiments of the utility model, cast model further includes：Fireproof coating, coated on cast model 100
Outer surface on.
In the present solution, by the outer surface coating refractory coating in cast model 100, it can effectively reduce and glue
The phenomenon of sand, stomata and trachoma, has preferable buffer action.
In some embodiments of the utility model, the shape of cross section of load-bearing mould 106 is square, is circular, ellipse, water chestnut
Shape, trapezoidal or triangle.
In the present solution, the shape of cross section of load-bearing mould 106 is including but not limited to square, circular, oval, diamond shape, ladder
Any one in shape and triangle, to meet the needs of a variety of similar products, makes the weight bearing area of the similar product can
With good flexibility and hardness.
In a specific embodiment of the utility model, as depicted in figs. 1 and 2, there is provided one kind can be embedded in sand
Multi-level disappearance mode structure (i.e. cast model 100) in mould 200, including two split-ring molds (the i.e. white mould 102 of the first evaporative pattern and
The white mould 104 of two evaporative patterns), there is interface channel (i.e. load-bearing mould 106) between molding, casting extension diversion division is additionally provided with molding
(i.e. diversion column 108), and be higher by sand mo(u)ld 200 and set, wherein, molding, the material of casting extension diversion division are foamed plastics, and
Molding is outer to scribble fireproof coating.
Further, molding outside is equipped with some supporting rod (i.e. first support bar 114, second support bar 116 and the 3rd
Supporting rod), supporting rod is wood materials or bamboo material, and supporting rod is connected between the molding side wall of antarafacial, for fixed each
The relative spacing of side wall.
Further, 106 material of load-bearing mould is resin sand, and load-bearing mould 106 is by resin sand bonding and extrusion forming, load-bearing mould
106 both sides stick on two pieces of moldings (i.e. the white 102 and second white mould 104 of evaporative pattern of mould of the first evaporative pattern) respectively.
Further, supporting rod both ends are by heating gluing in molding.
Further, casting extension diversion division (i.e. diversion column 108) and the junction of molding are equipped with injection module 110, note
Enter module 110 and connect two split-ring molds (i.e. the white 102 and second white mould 104 of evaporative pattern of mould of the first evaporative pattern), injection module 110 is with pouring
Casting extension diversion division (i.e. diversion column 108) is vertical setting, the viscous injection module 110 of metal screen (casting filter screen 112) folder
Between extending diversion division with casting, casting extension diversion division is cylinder, and the diameter of casting extension diversion division is less than injection module
110 width, the width of metal screen (casting filter screen 112) are more than the width of injection module 110.
Compared with prior art, the utility model, can be more steady when cast model 100 is put into and is positioned in sand mo(u)ld 200
Fixed, relatively thin side wall will not produce deformation under the extruding of sand, secondly, effectively grasp load-bearing mould 106 and molding
Temperature difference, it is ensured that internal heat dissipation change, to reach good flexibility and hardness after load-bearing mould 106 is cast, is finally being noted
It can accomplish optimization filtering when entering molten iron, the percentage of admixture of casting can be controlled.
In another specific embodiment of the utility model, as depicted in figs. 1 and 2, cast model 100 is embedded in sand mo(u)ld
In 200, it includes two split-ring molds (i.e. the white 102 and second white mould 104 of evaporative pattern of mould of the first evaporative pattern), and (i.e. first disappears for molding
The 102 and second white moulds 104 of evaporative pattern of Mo Baimo) between have interface channel, interface channel is load-bearing mould 106, is molded as foam plastic
Expect material, load-bearing mould 106 is by resin sand bonding and extrusion forming, and load-bearing mould 106 is connected to two split-ring molds, and (i.e. the first evaporative pattern is white
The 102 and second white mould 104 of evaporative pattern of mould) on.
Molding is equipped with casting extension diversion division (i.e. diversion column 108) and is higher by sand mo(u)ld 200, and casting extension diversion division is (i.e.
Diversion column 108) with the junction of molding be equipped with injection module 110, connection two split-ring molds (i.e. the first evaporative pattern of injection module 110
The white 102 and second white mould 104 of evaporative pattern of mould), injection module 110 extends that diversion division (i.e. diversion column 108) is perpendicular to be set with casting
Put, viscous metal screen (casting filter screen 112) is pressed from both sides between injection module 110 and casting extension diversion division (i.e. diversion column 108).
Casting extension diversion division (i.e. diversion column 108) is cylinder, and the diameter of casting extension diversion division is less than injection module
110 width, the width of metal screen are more than the width of injection module 110.
Molding outside is equipped with some supporting rods (i.e. first support bar 114,116 and the 3rd supporting rod of second support bar),
Supporting rod is wood materials or bamboo material, and supporting rod is connected between the molding side wall of antarafacial, for fixing the phase of each side wall
To spacing, supporting rod both ends are strutted by heating gluing in molding.
Injection technology：By casting extension diversion division (i.e. diversion column 108), injection module 110, molding (i.e. the first evaporative pattern
The white 102 and second white mould 104 of evaporative pattern of mould), load-bearing mould 106, supporting rod (i.e. first support bar 114,116 and of second support bar
3rd supporting rod) on coat fireproof coating, after to be dried, by its integrally embedment sand mo(u)ld 200 in, against casting extension diversion division
(i.e. diversion column 108) topples over molten iron (i.e. metal liquid), and molten iron is rapidly by casting extension diversion division (i.e. diversion column 108) fusing
And injection module 110 is flowed into, then divide both sides to enter molding (i.e. the white 102 and second white mould 104 of evaporative pattern of mould of the first evaporative pattern), and
By the molding rapid melting of foamed plastics material, wooden supporting rod rapid melting, last molten iron will slowly also be penetrated into load-bearing
Mould 106, load-bearing mould 106 is slowly melted, and temperature of 106 part of load-bearing mould can be relatively low during this, make its keep the temperature after have compared with
Good elastic-restoring force, because during using product, 106 part of load-bearing mould is main stress point, which cannot
It is really up to the mark, excessively crisp, it should to have certain flexibility.
Finally when injecting molten iron, optimization filtering can be accomplished by metal screen (casting filter screen 112), casting can be controlled
The percentage of admixture made.Specifically, during molten iron is injected, molten iron, which will cast, extends diversion division (i.e. diversion column 108) and injection mould
Block 110 melts, and since metal screen width is big, and will not be melted, and metal screen will be embedded in sand mo(u)ld 200, and inlet is hindered
Gear.
In conclusion cast model provided by the utility model, by setting the cylindrical structure of load-bearing mould, and by load-bearing mould
One end be connected with the white mould of the first evaporative pattern, the other end is connected with the white mould of the second evaporative pattern so that is embedded to by the cast model
When being cast in sand mo(u)ld, metal liquid first can melt the white mould of the first evaporative pattern and the white mould of the second evaporative pattern, afterwards slowly
Load-bearing mould is penetrated into, load-bearing mould is slowly melted, in this process, is easy to hold load-bearing mould and the white mould of the first evaporative pattern and second
Temperature difference between the white mould of evaporative pattern, realize to heat dissipation change control so that after load-bearing die cast have good flexibility and
Hardness.Wherein, load-bearing mould slowly penetrates into load-bearing mould, in metal liquid by load-bearing mould slowly by resin sand bonding and extrusion forming
During fusing, the temperature of load-bearing mould part can be than relatively low so that there is preferable elastic-restoring force after the insulation of load-bearing mould, from
And make the load-bearing mould part that there is certain flexibility, it is not easy really up to the mark, excessively crisp, and then is not easy the situation that stress fractures occur,
The quality of casting greatly improved.
In the utility model, term " first ", " second ", " the 3rd " are only used for the purpose of description, and it is not intended that
Instruction implies relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace
The term such as dress ", " connected ", " connection ", " fixation " should all be interpreted broadly, for example, " connection " can be fixedly connected, can also
It is to be detachably connected, or is integrally connected；" connected " can be directly connected, and can also be indirectly connected by intermediary.It is right
For those of ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing as the case may be
Justice.
In the description of the utility model, it is to be understood that term " on ", " under ", "left", "right", "front", "rear" etc. refer to
The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description, rather than the device or unit of instruction or hint meaning there must be specific direction, with specific azimuth configuration
And operation, it is thus impossible to be interpreted as the limitation to the utility model.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining the particular features, structures, materials, or characteristics that the embodiment or example describe is contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms is not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example
In combine in an appropriate manner.
It these are only the preferred embodiment of the utility model, be not intended to limit the present invention, for this area
Technical staff for, various modifications and changes may be made to the present invention.Where within the spirit and principles of the present invention,
Any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (11)
- A kind of 1. cast model, it is characterised in that including：The white mould of first evaporative pattern and the white mould of the second evaporative pattern；Load-bearing mould, cylindrical structure, described load-bearing mould one end are connected with the white mould of the first evaporative pattern, the other end and described second The white mould connection of evaporative pattern；Wherein, the load-bearing mould is by resin sand bonding and extrusion forming, to form the column construction.
- 2. cast model according to claim 1, it is characterised in thatThe load-bearing mould is arranged between the white mould of first evaporative pattern and the white mould of the second evaporative pattern.
- 3. cast model according to claim 1, it is characterised in that further include：Extend diversion division, including diversion column and injection module, the diversion column are connected with the middle part of the injection module, institute The both ends for stating injection module connect the white mould of first evaporative pattern and the white mould of the second evaporative pattern respectively.
- 4. cast model according to claim 3, it is characterised in thatThe injection module is horizontally disposed with, and the diversion column is in the top of the injection module, and is vertically arranged.
- 5. cast model according to claim 3, it is characterised in that further include：Filter screen is cast, between the diversion column and the injection module；Wherein, the length of the casting filter screen is more than the width or length of the injection module.
- 6. cast model according to any one of claim 1 to 5, it is characterised in that further include:At least one first support bar, described first support bar one end pass through hot melt adhesive and the side wall of the white mould of the first evaporative pattern It is fixedly connected, the other end is fixedly connected by the hot melt adhesive with the side wall of the white mould of the second evaporative pattern.
- 7. cast model according to claim 6, it is characterised in that further include:At least one second support bar, is arranged on the white mould of the first evaporative pattern, the both ends of the second support bar lead to respectively The hot melt adhesive is crossed to be fixedly connected with two Different Planes on the white mould of the first evaporative pattern；And/orAt least one 3rd supporting rod, is arranged on the white mould of the second evaporative pattern, the both ends of the 3rd supporting rod lead to respectively The hot melt adhesive is crossed to be fixedly connected with two Different Planes on the white mould of the second evaporative pattern.
- 8. cast model according to claim 7, it is characterised in that the shape of cross section of the first support bar is in side Shape, circle, semicircle or triangle；The shape of cross section of the second support bar is square, is circular, semicircle or triangle；The shape of cross section of 3rd supporting rod is square, is circular, semicircle or triangle.
- 9. cast model according to claim 7, it is characterised in that the first support bar includes wooden supporting rod and bamboo branch Strut；The second support bar includes wooden supporting rod and bamboo supporting rod；3rd supporting rod includes wooden supporting rod and bamboo supporting rod.
- 10. cast model according to any one of claim 1 to 5, it is characterised in that further include：Fireproof coating, on the outer surface coated on the cast model.
- 11. cast model according to any one of claim 1 to 5, it is characterised in thatThe shape of cross section of the load-bearing mould is square, circle, ellipse, diamond shape, trapezoidal or triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721054405.9U CN207308885U (en) | 2017-08-22 | 2017-08-22 | Cast model |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721054405.9U CN207308885U (en) | 2017-08-22 | 2017-08-22 | Cast model |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282880A (en) * | 2017-08-22 | 2017-10-24 | 金华万里扬机械制造有限公司 | Cast model |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282880A (en) * | 2017-08-22 | 2017-10-24 | 金华万里扬机械制造有限公司 | Cast model |
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Effective date of registration: 20240516 Address after: 321000, Zone A, Building 2, Jinxi Economic Development Zone Industrial Zone (Xiayi Village), Tangxi Town, Wucheng District, Jinhua City, Zhejiang Province (self declared) Patentee after: Zhejiang Wanliyang High end Casting Co.,Ltd. Country or region after: China Address before: No. 1386, Jinxi Avenue, Jinxi Development Zone, Jinhua, Zhejiang 321000 Patentee before: JINHUA WANLIYANG MACHINERY MANUFACTURING Co.,Ltd. Country or region before: China |