CN108339951A - Casting big end cavity molding component, automatic moulding machine and formative technology - Google Patents
Casting big end cavity molding component, automatic moulding machine and formative technology Download PDFInfo
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- CN108339951A CN108339951A CN201810413041.1A CN201810413041A CN108339951A CN 108339951 A CN108339951 A CN 108339951A CN 201810413041 A CN201810413041 A CN 201810413041A CN 108339951 A CN108339951 A CN 108339951A
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- big end
- extensible member
- extrusome
- cavity
- casting
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- 238000000465 moulding Methods 0.000 title claims abstract description 85
- 238000005266 casting Methods 0.000 title claims abstract description 75
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 239000004576 sand Substances 0.000 claims description 30
- 239000003110 molding sand Substances 0.000 claims description 20
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 244000035744 Hura crepitans Species 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/02—Compacting by pressing devices only
Abstract
The present invention provides a kind of casting big end cavity molding component, automatic moulding machine and formative technologies, are related to the technique and equipment technical field of casting and molding, solve the technical issues of how how automatic moulding machine realizes casting big end cavity molding.Including squeeze board, extensible member and sand core, the squeeze board is connect with the upper end of the extensible member；The bottom surface of the extensible member is telescopic to be only butted on apperance big end forming face and matched, and casting big end circumferential direction structure can be formed at the lower part of the extensible member；Squeeze the squeeze board, the extensible member retraction, move back mould, the sand core is embedded in the extensible member cavity formed when the extensible member retraction, the top of the sand core is adapted with the cavity structure, the lower part of the sand core is adapted with the superstructure of the casting big end, and the sand core and the extensible member cavity combine to form big end cavity.
Description
Technical field
The present invention relates to the technical fields of the technique of casting and molding and equipment, more particularly, to a kind of casting big end type
Chamber moulding component, automatic moulding machine and formative technology.
Background technology
Three-cavity moulding refers to when casting structure has the apperance knot that there are two larger end face structures, that is, are located in upper box
Structure contains the big end structure of similar T-type structure, using a die joint can not molding when, the inner surface of optional two large end faces is
Die joint manufactures casting mold with three sandboxes.Apperance separates from intermediate small end face, and raising middle flask height should be with the corresponding height phase of apperance
It adapts to.
In the prior art, three-cavity moulding generally uses manual casting and molding technique, and spring spring machine casting and molding technique is given birth to
Production three-cavity moulding product needs, which make sand mold three times, could will produce product piece.But the problem is that, hand labor intensity
Greatly, it is 80-100KG per case weight, needs artificial model and carrying；Production efficiency is slow, and artificial model can make 10-12 per hour
Type.And product quality is difficult to ensure, since three molding flasks are that artificial carry positions, to will produce error, in high-volume
Product Precision is difficult to control when production.
With the application of automation Casting Equipment, but automatic moulding machine cannot achieve three-cavity moulding, three-cavity moulding technique
A great problem is become for automatic moulding machine.
Invention content
First aspect present invention is designed to provide a kind of casting big end cavity molding component, to solve in the prior art
How existing automatic moulding machine realizes the technical issues of casting big end cavity molding.In many technical solutions provided by the invention
The many technique effects elaboration as detailed below that can be generated of optimal technical scheme.
To achieve the above object, the present invention provides following technical schemes：
Casting big end cavity molding component provided by the invention, including squeeze board, extensible member and sand core, the squeeze board with
The upper end of the extensible member connects；The bottom surface of the extensible member is telescopic to be only butted on apperance big end forming face and is mutually fitted with it
Match, casting big end circumferential direction structure can be formed at the lower part of the extensible member；The squeeze board is squeezed, the extensible member retraction moves back mould,
The sand core is embedded in the extensible member cavity formed when the extensible member retraction, and the top of the sand core is mutually fitted with the cavity structure
Match, the lower part of the sand core is adapted with the superstructure of the casting big end, the sand core and extensible member cavity combination
Form big end cavity.
The beneficial effects of the invention are as follows the setting by squeeze board, extensible member and sand core, squeeze board squeezes extensible member retraction.
Extensible member cavity is formed in extensible member position.Big end cavity circumferential direction structure, that is, big end cavity are formed at extensible member lower part
Circumferential structure is located at the lower part of extensible member cavity, and sand core is embedded in extensible member cavity, in the lower part formation of sand core and casting big end
The compatible structure of portion's structure, sand core and extensible member cavity combine to form big end cavity molding.So as to by making automatically
During the two-part mo(u)lding of type machine, realizes the moulding of casting big end cavity, and then save labour, improve producing efficiency.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the casting big end cavity molding component, the extensible member includes extrusome, fixing piece and installation
Elastic component in the extrusome and fixing piece, the fixing piece are connect with the squeeze board, and the top of the extrusome can
In the flexible insertion fixing piece, the both ends of the elastic component are only butted on the extrusome and the squeeze board respectively；It is described
The apperance big end forming face and matched is only butted on when the bottom surface stretching, extension of extrusome, after the lower part retraction of the extrusome
The casting big end circumferential direction structure can be formed.
Further, the casting big end cavity molding component, the extrusome are stretched including the first extrusome and second
Contracting body, first extrusome are concordant with the bottom surface of the second extrusome after bouncing back；The top of second extrusome can stretch
In the insertion fixing piece of contracting, the both ends of the elastic component are only butted on first extrusome and the squeeze board respectively；Institute
The big end forming face of the apperance and matched can be only butted on by stating the bottom surface of the first extrusome, under second extrusome
Portion forms the casting big end circumferential direction structure.
Further, the casting big end cavity molding component, second extrusome include that big end forms section and stretches
The guide section playing the guiding role when contracting, the big end form section and are connect with the guide section；The big end is formed described in section formation
Casting big end circumferential direction structure, the guide section can stretch into and stretch out the fixing piece.
Further, the casting big end cavity molding component is offered for accommodating in first extrusome
State the elastic component slot of elastic component.
Further, the casting big end cavity molding component offers multiple back-up sand holes on the squeeze board.
Further, the casting big end cavity molding component offers lightening hole in the sand core.
Second aspect of the present invention is designed to provide a kind of automatic moulding machine, to solve use existing in the prior art
How automatic moulding machine realizes the technical issues of three-cavity moulding structure production.It is preferred in many technical solutions provided by the invention
Many technique effects elaboration as detailed below that technical solution can be generated.
To achieve the above object, the present invention provides following technical schemes：
Automatic moulding machine provided by the invention, including casting big end cavity molding group as described in the first aspect of the invention
Part.
Third aspect present invention is designed to provide a kind of automatic moulding machine formative technology, to solve to deposit in the prior art
Using automatic moulding machine how to realize three-cavity moulding structure produce the technical issues of.Many technical solutions provided by the invention
In many technique effects elaboration as detailed below that can be generated of optimal technical scheme.
To achieve the above object, the present invention provides following technical schemes：
Automatic moulding machine formative technology provided by the invention, for the moulding with apperance big end, which is characterized in that pass through
Automatic moulding machine as described in respect of the second aspect of the invention is realized, is included the following steps：
S1 positions the extensible member and the apperance, bottom surface and the apperance big end when for extensible member stretching, extension
Forming face overlaps；
Molding sand is filled in the surrounding volume of the extensible member and the apperance by S2；
S3 squeezes the squeeze board, and the extensible member bounces back, and being formed at the extensible member has the big end cavity circumferential
The extensible member cavity of structure；
The sand core is embedded in the extensible member cavity, you can complete big end cavity molding by S4.
Further, the automatic moulding machine formative technology passes through the squeeze board in the step S2 and fills molding sand.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the dimensional structure diagram of one embodiment of casting big end cavity molding component of the present invention；
Fig. 2 is extended configuration schematic cross-sectional view in one embodiment of casting big end cavity molding component of the present invention；
Fig. 3 is retracted state schematic cross-sectional view in one embodiment of casting big end cavity molding component of the present invention；
Fig. 4 is schematic cross-sectional view before sand core insertion extensible member cavity of the present invention；
Fig. 5 is schematic cross-sectional view after sand core insertion extensible member cavity of the present invention.
1- squeeze boards in figure, 2- extensible members, 3- sand cores, 4- apperances, 5- big end cavities, 11- back-up sands hole, 20- extensible member types
Chamber, 21- extrusomes, 22- fixing pieces, 23- elastic components, 31- lightening holes, the first extrusomes of 211-, the second extrusomes of 212-, 213-
Platform, 221- block machines, 2111- elastic component slots, 2121- big ends form section, 2122- guide sections.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, technical scheme of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
First aspect present invention provides a kind of casting big end cavity molding component, including squeeze board 1, extensible member 2 and sand
Core 3.Squeeze board 1 is connect with the upper end of extensible member 2.The bottom surface of extensible member 2 is telescopic be only butted on 4 big end forming face of apperance and with
It is adapted.Casting big end circumferential direction structure can be formed at the lower part of extensible member 2.Squeeze board 1 is squeezed, extensible member 2 bounces back, and moves back mould, sand
Core 3 is embedded in the extensible member cavity 20 formed when extensible member 2 bounces back.The top of sand core 3 is adapted with 20 structure of extensible member cavity.Sand
The lower part of core 3 is adapted with casting big end superstructure.Sand core 3 and the combination of extensible member cavity 20 form big end cavity 5.
Specifically, as shown in Figures 1 to 5.In modeling process, in sandbox the shape of apperance be formed by molding sand cavity with
The shape of casting is adapted, then sand core is positioned in molding sand cavity, and liquid casting material, sand core are poured into a mould in molding sand cavity
Position forms the cavity of casting.Alternatively, the convex shape of sand core forms the matched groove shapes of casting.
Squeeze board 1 is connect with the upper end of extensible member 2, to which squeeze board 1 moves downward, can squeeze the retraction of extensible member 2；Pressure
Solid plate 1 moves upwards, and extensible member 2 can be driven to move up, and stretches required space to award extensible member 2.It, can in order to facilitate dismounting
Using being detachably connected, to be such as bolted, squeeze board 1 and the top of extensible member 2 are bolted.As needed, also may be used
By using in a manner of being fixedly connected, the bottom surface of squeeze board 1 is welded with the top surface of extensible member 2.
Section after the big end structure removal of the big end forming face i.e. apperance 4 of apperance 4.Apperance 4 does not have in the present invention
There is the big end structure of required big end cavity molding.
As shown in Fig. 2, extensible member 2, in stretching, extension, the bottom surface of extensible member 2 can be completely heavy with the big end forming face of apperance 4
Merge and realize positioning, the bottom surface of extensible member 2 is set as being adapted with the big end forming face of apperance 4, that is, shape is identical.
As shown in figure 3, extensible member 2 is compressed, casting big end circumferential direction structure can be formed to the lower part of extensible member 2.
In one embodiment, casting big end is set as platform structure, and knot identical with the shape of platform structure is then formed at the lower part of extensible member 2
Structure.
As shown in Figure 4 and Figure 5, sand core 3 is to prepare molding in advance according to required structure.The lower part of sand core 3 and casting big end
Superstructure is adapted, and in one embodiment, casting big end is set as top and has reeded platform structure, the lower part of sand core 3
It is set as bulge-structure compatible with groove.Certainly, the substructure of sand core 3 may be set to be is adapted with casting big end
Other structures, go out big end cavity 5 to the common moulding in lower part of sand core 3 and extensible member 2, namely for forming casting big end
Cavity.
The implementation process of casting big end cavity molding component in one embodiment described in first aspect present invention is that will stretch
Bottom surface when contracting part 2 stretches is aligned to complete to position with 4 big end forming face of apperance.When extensible member 2 stretches, extensible member 2 and mould
It is formed between sample 4 to accommodate the space of molding sand, by extensible member 2 and the full molding sand of 4 surrounding space of apperance filling.Squeeze board 1 is squeezed,
Squeeze board 1 drives extensible member 2 to bounce back, to which the sand compaction of 4 surrounding space of extensible member 2 and apperance is formed the sand with cavity
Type.It removes squeeze board 1 and extensible member 2 and apperance 4 is moved back into mould, when will shift to an earlier date the retraction of extensible member 2 in the insertion sand mold of ready-made sand core 3
In the extensible member cavity 20 of formation.The moulding in sand mold of the lower part of extensible member 2 goes out the space of the circumferential structure of big end cavity 5.Greatly
End cavity 5 is located on lower part and the sand core 3 of extensible member cavity 20.
Sand core 3 is embedded in extensible member cavity 20, and the top of sand core 3 is adapted with the superstructure of extensible member cavity 20, is used
In filling 20 upper space of extensible member cavity；The lower part of sand core 3 is formed as casting big end superstructure, can be and casting big end
The groove at top is adapted bulge-structure.
Sand core 3 combines to form big end cavity 5 with extensible member cavity 20, so as to real in the two-part mo(u)lding of automatic moulding machine
The moulding production of existing big end cavity 5.
Optionally embodiment, extensible member 2 include extrusome 21, fixing piece 22 and are installed on extrusome 21 and fix
Elastic component 23 in part 22.Fixing piece 22 is connect with squeeze board 1.In the telescopic embedded fixing piece in the top of extrusome 21 22.
The both ends of elastic component 23 are only butted on extrusome 21 and squeeze board 1 respectively.Only it is butted on 4 big end of apperance when the bottom surface stretching, extension of extrusome 21
Forming face is simultaneously matched.Casting big end circumferential direction structure can be formed after the lower part retraction of extrusome 21.
Specifically, as shown in Figure 1 to Figure 3, there is the space for accommodating 21 top of extrusome, and in fixing piece in fixing piece 22
22 lower inner wall is formed with for stopping that extrusome 21 is detached from the block machine 221 of fixing piece 22, corresponding, the upper end of extrusome 21
It is formed with outwardly extending platform 213, platform 213 is located on block machine 221.When extrusome 21 is under the effect of 23 elastic force of elastic component
When stretching, extension, platform 213 is located on block machine 221, to which block machine 221 stops that extrusome 21 is detached from fixing piece 22.
Elastic component 23 is for saving elastic force and extrusome 21 being stretched out in fixing piece 22 under the effect of elasticity.Squeeze squeeze board
1, squeeze board 1 squeezes elastic component 23 and shrinks, and extrusome 21 is driven to bounce back, and elastic component 23 saves elastic force.By squeeze board 1 and stretch
Part 2 is removed from apperance 4, and extrusome 21 stretches under the effect of 23 elastic force of elastic component.Pass through extrusome 21, fixing piece 22 and elasticity
The setting of part 23 can make extensible member 2 flexible, can will be around extensible member 2 and apperance 4 to by the flexible of extensible member 2
Sand compaction forms sand mold.And by the setting of 21 substructure of extrusome, the place of big end cavity 5 can be formed in sand mold
The cavity of position.
In order to be conducive to the removal by extensible member 2 in sand mold from bottom to up, the maximum width of extrusome 21, which is less than, to be fixed
The maximum width of part 22.
Further, extrusome 21 includes the first extrusome 211 and the second extrusome 212.After first extrusome 211 retraction
It is concordant with the bottom surface of the second extrusome 212；In the telescopic embedded fixing piece in the top of second extrusome 212 22.Elastic component 23
Both ends respectively only be butted on the first extrusome 211 and squeeze board 1.The bottom surface of first extrusome 211 can only be butted on the big end of apperance 4
Forming face is simultaneously matched.Casting big end circumferential direction structure is formed at the lower part of the second extrusome 212.
Specifically, as shown in Figure 1 to Figure 3, the setting of the first extrusome 211 can increase between squeeze board 1 and apperance 4
Space, to increase the loading of molding sand, be conducive to compacting after sand mold compactness.
In order to be conducive to removal of first extrusome 211 in sand mold from bottom to up, the maximum width of the first extrusome 211
Less than the maximum width of the second extrusome 212.First extrusome 211 is concordant with the bottom surface of the second extrusome 212 when bouncing back and stops
It is butted on the big end forming face of apperance 4, so as to form the bottom surface of big end cavity 5.First extrusome 211 can also be fully inserted into
In second extrusome 212, to be conducive to manufacture.
It is detached from the second extrusome 212 when the first extrusome 211 stretches under the effect of 23 elastic force of elastic component in order to prevent, the
The lower inner wall of two extrusomes 212 is formed with block machine, and the upper end of the first extrusome 211 in block machine corresponding position formed it is oriented
The platform of outer extension, platform are located on block machine.
Spring may be used in elastic component 23, and the both ends of spring are only butted on the first extrusome 211 and squeeze board 1 respectively.In bullet
Property the effect of 23 elastic force of part under, push the stretching, extension of the first extrusome 211, the platform of the first extrusome 211 contacts at the second extrusome 212
Block machine, drive the top of the second extrusome 212 to stretch out in fixing piece 22 along 22 inner wall of fixing piece, and then realize automatic stretching, extension.
Completing the first extrusome 211 stretched automatically and the second extrusome 212 can continue to realize moulding.
In some embodiments, the second extrusome 212 includes big end formation section 2121 and what is play the guiding role when flexible leads
To section 2122.Big end forms section 2121 and is connect with guide section 2122.Big end forms section 2121 and forms casting big end circumferential direction structure, leads
Fixing piece 22 can be stretched into and stretched out to section 2122.
Specifically, as shown in Figure 1 to Figure 3, in order to be conducive to produce and process, big end forms section 2121 and guide section 2122 can
To use integrally formed structure.Removal of the section 2121 in sand mold from bottom to up is formed in order to be conducive to big end, big end is formed
The side wall of section 2121 can slope inwardly setting.
From the outer wall and inner wall of guide section 2122 are corresponded to when the second extrusome 212 and the first extrusome 211 stretch respectively
To the effect of guiding.When the first extrusome 211 and the second extrusome 212 vertically stretch, the inner wall of guide wall 2122
It is correspondingly arranged respectively as vertical plane with outer wall.
In the sand mold formed after squeezing molding sand, the lower part that big end forms section 2121 is formed as and casting big end circumferential direction side
To identical structure, that is, around the structure of casting big end lateral wall circumferencial direction.Corresponding position is big end type in sand mold
The circumferential cavity shape of chamber 5, combines to form big end cavity 5 with sand core 3.
In some embodiments, the elastic component slot 2111 for accommodating elastic component 23 is offered in the first extrusome 211.
Specifically, as shown in Figures 2 and 3, the part-structure of elastic component 23 can be located in elastic component slot 2111, to have
Conducive to stability and guidance quality of the elastic component 23 in compression and stretching, extension.
Optionally embodiment offers multiple back-up sand holes 11 on squeeze board 1.
Specifically, as shown in Figure 1, by the setting in back-up sand hole 11, molding sand can be inserted from back-up sand hole 11, be stretched to increase
The uniformity of 4 surrounding molding sand of contracting part 2 and apperance improves the density of sand mold in compacting.
Optionally embodiment offers lightening hole 31 in sand core 3.
Specifically, as shown in Figure 4 and Figure 5, for the molding sand amount that the weight and making sand core 3 that reduce sand core 3 use, in sand
Lightening hole 31 is opened up in core 3.
Second aspect of the present invention provides a kind of automatic moulding machine, including casting big end as described in the first aspect of the invention
Cavity molding component.
Specifically, casting big end cavity molding component shown in first aspect present invention is installed on automatic moulding machine, pressure
Solid plate 1 is connect with driving mechanism, the extruding for driving squeeze board 1 and removal sandbox body.Apperance 4 is installed in sandbox body.It can
To fill molding sand into sandbox body by squeeze board 1.Other mechanisms that automatic moulding machine includes are machine existing in the prior art
Structure, details are not described herein.
It can be formed by two-part mo(u)lding since the casting big end cavity molding component described in first aspect present invention has
Have the advantages that the casting big end cavity molding of big end structure, therefore, the automatic moulding machine described in second aspect of the present invention also has
Same advantage.
Third aspect present invention provides a kind of automatic moulding machine formative technology, by as described in respect of the second aspect of the invention
Automatic moulding machine is realized, is included the following steps：
S1 positions extensible member 2 and apperance 4, and bottom surface is overlapped with 4 big end forming face of apperance when being stretched for extensible member 2.
Molding sand is filled in the surrounding volume of extensible member 2 and apperance 4 by S2.
S3 squeezes squeeze board 1.Extensible member 2 bounces back, and the extensible member with the circumferential structure of big end cavity 5 is formed at extensible member 2
Cavity 20.
Sand core 3 is embedded in extensible member cavity 20, you can complete big end cavity molding by S4.
Specifically, bottom surface is overlapped with 4 big end forming face of apperance when stretching extensible member 2 in step S1, to realize to stretching
The positioning of contracting part 2 and apperance 4, and then realize the positioning to big end cavity 5.
In step S2, extensible member 2 is located at the top of apperance 4, that is, in cope, and upper sand mold is formed after compacting.
The step of back-up sand and compacting molding sand to drag box form lower sand mold is omitted herein, and omits step and step phase in the prior art
Together.
In step S3, squeeze board 1 is squeezed, extensible member 2 bounces back, and the molding sand between 4 top of extensible member 2 and apperance is squeezed swaging
At upper sand mold.It removes squeeze board 1 and extensible member 2 and apperance 4 is moved back into mould, 2 position of extensible member in upper sand mold, which is formed, stretches
Contracting part cavity 20.Since the lower part of extensible member 2 is formed as structure identical with casting big end circumferential direction, that is, around casting
The structure of big end lateral wall circumferencial direction, therefore form part big end cavity 5, that is, big end type in the lower part of extensible member cavity 20
The circumferencial direction structure of chamber 5.
In step S4, sand core 3 is to prepare in advance, since sand core 3 is sand core 3 from top to bottom in embedded extensible member cavity 20
Superstructure be adapted with the inner wall of extensible member cavity 20, so as to make sand core 3 be fixed in extensible member cavity 20.Sand core
3 lower part is formed as structure compatible with casting big end superstructure, to which sand core 3 combines realization with extensible member cavity 20 greatly
Hold the moulding of cavity 5.
Further, molding sand is filled by squeeze board 1 in step S2.
Specifically, multiple back-up sand holes 11 are offered on squeeze board 1, to increase by 4 surrounding molding sand of extensible member 2 and apperance
Uniformity improves the density of sand mold in compacting.
Here for first choice it should be noted that " inside " is directed towards the direction in accommodating space center, " outside " is far from accommodating
The direction in space center.
In the description of the present invention, it is to be understood that, term "center", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", " transverse direction ", " vertical ", "horizontal", "bottom" "inner", "outside" is based on ... shown in the drawings
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of casting big end cavity molding component, which is characterized in that including squeeze board (1), extensible member (2) and sand core (3),
The squeeze board (1) connect with the upper end of the extensible member (2)；The bottom surface of the extensible member (2) is telescopic to be only butted on
Apperance (4) big end forming face is simultaneously matched, and casting big end circumferential direction structure can be formed at the lower part of the extensible member (2)；
The squeeze board (1) is squeezed, extensible member (2) retraction moves back mould, embedded extensible member (2) retraction of the sand core (3)
When the extensible member cavity (20) that is formed, the top of the sand core (3) is adapted with extensible member cavity (20) structure, the sand
The lower part of core (3) is adapted with the casting big end superstructure；The sand core 3 and the extensible member cavity (20) combination are formed
Big end cavity (5).
2. casting big end cavity molding component according to claim 1, which is characterized in that the extensible member (2) includes stretching
Contracting body (21), fixing piece (22) and the elastic component (23) being installed in the extrusome (21) and fixing piece (22), the fixation
Part (22) is connect with the squeeze board (1), in the telescopic insertion in the top fixing piece (22) of the extrusome (21), institute
The both ends for stating elastic component (23) are only butted on the extrusome (21) and the squeeze board (1) respectively；The bottom of the extrusome (21)
The apperance (4) big end forming face and matched is only butted on when face is stretched, it can after the lower part retraction of the extrusome (21)
Form the casting big end circumferential direction structure.
3. casting big end cavity molding component according to claim 2, which is characterized in that the extrusome (21) includes the
One extrusome (211) and the second extrusome (212), after first extrusome (211) retraction with second extrusome (212)
Bottom surface it is concordant；In the telescopic insertion in the top fixing piece (22) of second extrusome (212), the elastic component
(23) both ends are only butted on first extrusome (211) and the squeeze board (1) respectively；First extrusome (211)
Bottom surface can only be butted on the big end forming face of the apperance (4) and matched, and the lower part of second extrusome (212) is formed
The casting big end circumferential direction structure.
4. casting big end cavity molding component according to claim 3, which is characterized in that second extrusome (212)
Including big end formed section (2121) and it is flexible when the guide section (2122) that play the guiding role, the big end formation section (2121) and institute
State guide section (2122) connection；The big end forms section (2121) and forms the casting big end circumferential direction structure, the guide section
(2122) it can stretch into and stretch out the fixing piece (22).
5. casting big end cavity molding component according to claim 3, which is characterized in that first extrusome (211)
Inside offer the elastic component slot (2111) for accommodating the elastic component (23).
6. casting big end cavity molding component according to claim 1, which is characterized in that opened up on the squeeze board (1)
There are multiple back-up sand holes (11).
7. casting big end cavity molding component according to claim 1, which is characterized in that offered in the sand core (3)
Lightening hole (31).
8. a kind of automatic moulding machine, which is characterized in that made including casting big end cavity as described in any one of claim 1 to 7
Type component.
9. a kind of automatic moulding machine formative technology, for the moulding with apperance big end, which is characterized in that pass through such as claim
Automatic moulding machine described in 8 is realized, is included the following steps：
S1 positions the extensible member (2) and the apperance (4), bottom surface and the apperance when for the extensible member (2) stretching, extension
(4) big end forming face overlaps；
Molding sand is filled in the surrounding volume of the extensible member (2) and the apperance (4) by S2；
S3 squeezes the squeeze board (1), and the extensible member (2) bounces back, and being formed at the extensible member (2) has the big end type
The extensible member cavity (20) of chamber (5) circumferential direction structure；
S4, by the embedded extensible member cavity (20) of the sand core (3), you can complete big end cavity molding.
10. automatic moulding machine formative technology according to claim 9, which is characterized in that by described in the step S2
Squeeze board (1) fills molding sand.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810413041.1A CN108339951A (en) | 2018-05-03 | 2018-05-03 | Casting big end cavity molding component, automatic moulding machine and formative technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810413041.1A CN108339951A (en) | 2018-05-03 | 2018-05-03 | Casting big end cavity molding component, automatic moulding machine and formative technology |
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