CN110038999A - A kind of wax-pattern anti-deformation process and cold piece interior - Google Patents
A kind of wax-pattern anti-deformation process and cold piece interior Download PDFInfo
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- CN110038999A CN110038999A CN201910380510.9A CN201910380510A CN110038999A CN 110038999 A CN110038999 A CN 110038999A CN 201910380510 A CN201910380510 A CN 201910380510A CN 110038999 A CN110038999 A CN 110038999A
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- wax
- cold piece
- interior cold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
This application discloses a kind of wax-pattern anti-deformation process and cold piece interior, wherein wax-pattern anti-deformation process is the following steps are included: step S1: several boss and through-hole is arranged according to cold piece in the setting of the shape and size of product of shape and size, and on interior cold piece of the surface；Step S2: the interior cold piece of mold for processing described interior cold piece is made；Step S3: pressure is waxed to make described interior cold piece；Step S4: described interior cold piece is placed into Wax mold, and wax is pressed to form wax-pattern.Wax-pattern anti-deformation process provided herein reduces the slack wax loading at thick big position, has chilling action, so that cooling velocity is accelerated, solves the defects of recess, wrinkle at wax-pattern thick big plane position；Slack wax makes the interior cold piece middle position for being suspended in mold cavity corresponding with the thick position greatly of product, the surface without exposing wax-pattern, to guarantee the roughness of wax pattern surface because of the intracavitary flowing of product type and pressure effect when pressing wax.
Description
Technical field
This application involves lost wax casting field, more particularly to a kind of wax-pattern anti-deformation process and cold piece interior.
Background technique
Investment precision casting technology, which refers to, is made into model with wax, in fire proofed woods such as its appearance wrapped multiple clay, binders
Material, heating are melted out wax, to obtain the ghost formed by refractory material, then ghost will be poured into after metal molten, to gold
Refractory material is broken into pieces to obtain metal parts after belonging to cooling.
Due to need to first make product wax-pattern during precision-investment casting, and when the size of wax-pattern is larger, in wax-pattern
The big position of thickness usually can because of wax-pattern contraction size it is larger, and there is the defects of planar recess, wrinkle, deformation.
Therefore, the quality for how effectively improving wax-pattern, is a technical problem that technical personnel in the field need to solve at present.
Apply for content
The purpose of the application is to provide a kind of wax-pattern anti-deformation process and cold piece interior, for improve wax-pattern processing quality and
Processing efficiency, the defects of reducing planar recess, wrinkle, deform.
To achieve the above object, the application provides the following technical solutions:
A kind of wax-pattern anti-deformation process, comprising the following steps:
Step S1: according to cold piece in the setting of the shape and size of product of shape and size, and in interior cold piece of the table
Several boss and through-hole is arranged in face；
Step S2: the interior cold piece of mold for processing described interior cold piece is made；
Step S3: pressure is waxed to make described interior cold piece；
Step S4: described interior cold piece is placed into Wax mold, and wax is pressed to form wax-pattern.
Preferably, in the step S2, the inner wall of the interior cold piece of mold is equipped with several segmentation muscle；In the step S3
Described interior cold piece include several interior cold piece of monomers, be equipped between the adjacent interior cold piece of monomer formed by the segmentation muscle it is recessed
Slot.
Preferably, the step S4 specifically:
Obtain preset quantity interior cold piece of monomer as cold piece in target, and by cold piece in the target be placed on described in
In Wax mold, it is pressed into slack wax in Xiang Suoshu Wax mold, is suspended into institute under the impact of the slack wax for cold piece in the target
In the middle part of the cavity for stating Wax mold, cooling die sinking after the completion of type is filled, wax-pattern is obtained.
Cold piece in one kind, including cold piece of monomer at least one, each interior cold piece of monomer include interior cold block main body and
Several boss in the interior cold block main body are set, the middle part of each interior cold piece of monomer and/or described interior cold piece adjacent
The through-hole for slack wax circulation is equipped between monomer.
Preferably, the boss is in cone shape.
Preferably, the interior cold block main body is in cuboid-type, and six faces of the interior cold block main body are equipped with several described
Boss.
Preferably, the through-hole runs through the size lesser width or short transverse that the interior cold block main body is arranged in.
Preferably, the shape of the interior cold block main body is consistent with the cavity shape of the Wax mold.
Preferably, the distance between internal chamber wall of the surface of the interior cold block main body and the Wax mold is at least
10mm。
Preferably, the height of the boss is 5-10mm.
Wax-pattern anti-deformation process provided herein, comprising the following steps: step S1: according to the shape and size of product
Cold piece of shape and size in being arranged, and several boss and through-hole are set on interior cold piece of the surface；Step S2: production is used for
Process described interior cold piece of interior cold piece of mold；Step S3: pressure is waxed to make described interior cold piece；Step S4: by the interior cold piece of placement
Into Wax mold, and wax is pressed to form wax-pattern.Wax-pattern anti-deformation process provided herein, by before making wax-pattern,
First make it is interior cold piece corresponding with the big position of thickness of wax-pattern product, interior cold piece in intracavitary pre-filled of product type, equilibrium type
Intracavitary wax-pattern wall thickness reduces the slack wax loading at thick big position, has chilling action, so that cooling velocity is accelerated, solves
The defects of recess at the thick big plane position of wax-pattern, wrinkle；Meanwhile when carrying out wax-pattern processing, since interior cold piece of surface is set
There are several boss, slack wax is acted on because of the intracavitary flowing of product type and pressure when pressing wax, makes interior cold piece to be suspended in and the thick big portion of product
The middle position of the corresponding type chamber in position, the surface without exposing wax-pattern, to guarantee the roughness of wax pattern surface.
Provided herein interior cold piece, including cold piece of monomer at least one, each interior cold piece of monomer include interior
Cold block main body and several boss being arranged in the interior cold block main body, the middle part of each interior cold piece of monomer and/or adjacent
The through-hole for slack wax circulation is equipped between the interior cold piece of monomer.Provided herein interior cold piece, by the setting of boss,
During producing wax-pattern, when carrying out pressure wax, slack wax makes interior cold piece to be suspended in because the intracavitary flowing of product type and pressure act on
The middle position of type chamber corresponding with the thick position greatly of product, the surface without exposing wax-pattern, to guarantee the thick of wax pattern surface
Rugosity；Simultaneously as the setting of through-hole, can make slack wax flow in through-holes, type efficiency is filled in raising.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart of wax-pattern anti-deformation process provided herein；
Fig. 2 is Wax mold and interior cold piece positional relationship cross-sectional view during shaping investment pattern provided herein；
Fig. 3 is interior cold piece a kind of top view of specific embodiment provided herein；
The A-A sectional view that Fig. 4 is interior cold piece shown in Fig. 3；
Fig. 5 is interior cold piece of main view shown in Fig. 3；
Fig. 6 is the top view of interior cold piece another specific embodiment provided herein；
Fig. 7 is interior cold piece of main view shown in Fig. 6；
Wherein: interior cold piece (1), interior cold block main body (1-1), boss (1-2), through-hole (1-3), Wax mold (2), mould type
Chamber (3).
Specific embodiment
The core of the application is to provide a kind of wax-pattern anti-deformation process and cold piece interior, for improve wax-pattern processing quality and
Processing efficiency, the defects of reducing planar recess, wrinkle, deform.
In order to make those skilled in the art more fully understand application scheme, with reference to the accompanying drawings and detailed description
The application is described in further detail.
Fig. 1 to Fig. 7 is please referred to, Fig. 1 is the flow chart of wax-pattern anti-deformation process provided herein；Fig. 2 is the application
Provided Wax mold and interior cold piece positional relationship cross-sectional view during shaping investment pattern；Fig. 3 is provided herein
A kind of interior cold piece of top view of specific embodiment；The A-A sectional view that Fig. 4 is interior cold piece shown in Fig. 3；Fig. 5 is interior cold shown in Fig. 3
The main view of block；Fig. 6 is the top view of interior cold piece another specific embodiment provided herein；Fig. 7 is interior shown in Fig. 6
Cold piece of main view.
In this embodiment, wax-pattern anti-deformation process the following steps are included:
Step S1: interior cold piece 1 of shape and size, and cold piece 1 of surface inside are set according to the shape and size of product
Several boss 1-2 and through-hole 1-3 are set, specifically, interior cold piece 1 is preferably thicker or biggish position is arranged in product size, because
This, interior cold piece 1 of size should position dimension thicker or biggish with product size be consistent；
Step S2: the interior cold piece of mold for processing interior cold piece 1 is made；
Step S3: pressing in waxed work cold piece 1, specifically, slack wax is pressed into interior cold piece of mold, after static molding, modulus
Cold piece 1 in obtaining；
Step S4: interior cold piece 1 is placed into Wax mold 2, interior cold piece 1 should be placed into it is referenced when design size
The corresponding position of product size, to 2 internal pressure wax of Wax mold, slack wax flows to interior cold piece 1 of surrounding, and interior cold piece 1 is suspended into production
The middle position at the thick big position of product, the i.e. center of mold cavity 3, after cooling, form wax-pattern.
Wax-pattern anti-deformation process provided herein, by first making the thickness with wax-pattern product before making wax-pattern
Big position is interior cold piece 1 corresponding, interior cold piece 1 in intracavitary pre-filled of product type, the balanced intracavitary wax-pattern wall thickness of type reduces
The slack wax loading at thick big position has chilling action, so that cooling velocity is accelerated, solves the thick big plane position of wax-pattern
The defects of recess, wrinkle；Meanwhile when carrying out wax-pattern processing, since interior cold piece 1 of surface is equipped with several boss 1-2, when pressing wax
Slack wax makes interior cold piece 1 to be suspended in type chamber corresponding with the thick position greatly of product because the intracavitary flowing of product type and pressure act on
Between position, without expose wax-pattern surface, to guarantee the roughness of wax pattern surface；In shaping investment pattern cold piece 1 in product type
Intracavitary is pre-filled, plays the role of arbor, effectively prevent the contraction distortion of wax-pattern, solves the change at the thick big plane position of wax-pattern
Shape defect；Simultaneously as interior cold piece 1 of setting improves so that the amount of slack wax is reduced, and cooling velocity is accelerated when shaping investment pattern
Production efficiency.
On the basis of the respective embodiments described above, in step S2, the inner wall of interior cold piece of mold is equipped with several segmentation muscle, uses
In forming groove on cold piece 1 inside, interior cold piece of 1 monomer is taken convenient for breaking；Interior cold piece 1 in step S3 includes several interior cold pieces 1 single
Body is equipped with the groove formed by segmentation muscle between adjacent interior cold piece of 1 monomer.
On the basis of the respective embodiments described above, step S4 specifically:
Interior cold piece of 1 monomer for obtaining preset quantity is placed on wax-pattern as cold piece 1 in target, and by cold piece 1 in target
In mold 2, it is pressed into slack wax into Wax mold 2, the mold for being suspended into Wax mold 2 under the impact of slack wax for cold piece 1 in target
The middle part of type chamber 3 fills cooling die sinking after the completion of type, obtains wax-pattern.
In addition to above-mentioned wax-pattern anti-deformation process, present invention also provides cold piece 1 in one kind.
This interior cold piece 1 includes cold piece of 1 monomer at least one, and each interior cold piece of 1 monomer includes interior cold block main body 1-1 and set
Set several boss 1-2 inside on cold block main body 1-1, it is each in cold piece of 1 monomer middle part and/or adjacent interior cold piece of 1 monomer it
Between be equipped with through-hole 1-3 for slack wax circulation, slack wax can flow in through-hole 1-3, flow to from interior cold piece 1 of side another
Filling velocity is improved in side.
Specifically, in every piece cold piece 1 may include cold piece of 1 monomer in three, when in use, can will it is entire in cold piece 1
It is put into Wax mold 2 as cold piece 1 in target, can also break and take one or two interior cold piece of 1 monomer as cold piece in target
1, it is placed in Wax mold 2, so set, interior cold piece 1 of processing efficiency can be improved, use is more convenient.
Preferably, boss 1-2 is in cone shape, on the one hand, and the cold piece of resistance between 1 and slack wax should not be too large in target,
Cause in target cold piece 1 can not the floating when slack wax flows into wax-pattern, on the other hand, the cold piece of resistance between 1 and slack wax in target
It is unsuitable too small, cause interior cold piece 1 floating is excessively high to expose to product surface, therefore selects the boss 1-2 of cone shape, the knot of cone
Structure feature can both guarantee that the flowing of slack wax was smooth, it can also be ensured that have enough resistances between 1 and slack wax for cold piece in target
Power.
On the basis of the respective embodiments described above, interior cold block main body 1-1 be in cuboid-type, six of interior cold block main body 1-1
Face is equipped with several boss 1-2, guarantees stress equalization.Preferably, boss 1-2 is evenly spaced in each of interior cold block main body 1-1
Surface.
Preferably, the surface of each interior cold piece of 1 monomer is square, and the width of interior cold piece of 1 monomer is 120-130mm, thick
Degree is 15-20mm, and the highly preferred of boss 1-2 is 9.5-10mm, and the center of interior cold piece of 1 monomer is equipped with through-hole 1-3, through-hole 1-3
Diameter be preferably 19-21mm.
Further, segmentation muscle is preferably arc-shaped, and the groove between adjacent interior cold piece of 1 monomer is arc groove, groove
Radius is preferably 2.5-3.5mm.
It is furthermore preferred that the size lesser width or short transverse of through-hole 1-3 cold block main body 1-1 including setting, side
Just cold piece 1 of processing and forming in, specifically, interior cold block main body 1-1 is preferably in cuboid plate, cold piece including through-hole 1-3 setting
The thickness direction of main body 1-1 facilitates slack wax to flow to the plate body other side of interior cold block main body 1-1.
On the basis of the respective embodiments described above, the shape and the cavity shape phase of Wax mold 2 of interior cold block main body 1-1
Symbol.Specifically, as shown in fig. 6, interior cold block main body 1-1 can be for arc or equipped with corner part, i.e., the table of interior cold block main body 1-1
Face is irregular polygon structure, further increases interior cold block main body 1-1 ratio shared in wax-pattern product, improve wax-pattern at
Cooling efficiency when type.Certainly, the shape of interior cold block main body 1-1 should be set according to the shape of product.
On the basis of the respective embodiments described above, between the surface of interior cold block main body 1-1 and the internal chamber wall of Wax mold 2
Distance at least 10mm, when guaranteeing shaping investment pattern, the flowing of slack wax has enough spaces, and type efficiency is filled in raising.
Preferably, the height of boss 1-2 is 5-10mm, and the height of boss 1-2 is unsuitable excessively high, if the height of boss 1-2
It is excessively high, it will lead to the surface for extending out to interior cold block main body 1-1, influence the surface aesthetic and surface quality of wax-pattern, certainly, boss 1-
2 height is also unsuitable too low, can not play adhesive attraction.
Wax-pattern anti-deformation process provided by the present embodiment and cold piece 1 interior, cold piece 1 of shape design should in shaping investment pattern
Multiple conical boss 1- are devised by the outer surface cold block main body 1-1 inside with the internal chamber wall shape of product mold with type
2, it is accordingly required in particular to which explanation, after interior cold piece 1 is placed into Wax mold 2, the internal chamber wall of interior cold piece 1 and product mold is connect
Touching is point contact, and slack wax can flow to interior cold piece 1 of bottom, make because of the intracavitary flowing of product type and pressure effect when pressing wax
Wax pattern surface is not exposed in cold piece 1 middle position for being suspended in mold cavity 3 in shaping investment pattern, to guarantee the coarse of wax pattern surface
Degree；Meanwhile by interior cold piece 1 in intracavitary pre-filled of product type, the balanced intracavitary wax-pattern wall thickness of type reduces thick big position
Slack wax loading, there is chilling action, so that cooling velocity is accelerated, solve recess, the wrinkle at the thick big plane position of wax-pattern
The defects of；Also, interior cold piece 1, in intracavitary pre-filled of product type, played the role of arbor, the contraction of wax-pattern is effectively prevent to become
Shape solves the deformation defect at the thick big plane position of wax-pattern.
Wax-pattern anti-deformation process provided herein and interior cold piece are described in detail above.It is used herein
The principle and implementation of this application are described for specific case, and the above embodiments are only used to help understand originally
The method and its core concept of application.It should be pointed out that for those skilled in the art, not departing from this Shen
Please under the premise of principle, can also to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the application power
In the protection scope that benefit requires.
Claims (10)
1. a kind of wax-pattern anti-deformation process, which comprises the following steps:
Step S1: the shape and size of interior cold piece (1) are set according to the shape and size of product, and in interior cold piece (1)
Several boss (1-2) and through-hole (1-3) is arranged in surface；
Step S2: the interior cold piece of mold for processing interior cold piece (1) is made；
Step S3: pressure is waxed to make interior cold piece (1)；
Step S4: interior cold piece (1) is placed into Wax mold (2), and wax is pressed to form wax-pattern.
2. wax-pattern anti-deformation process according to claim 1, which is characterized in that in the step S2, the interior cold piece of mould
The inner wall of tool is equipped with several segmentation muscle；Interior cold piece (1) in the step S3 includes several interior cold piece of monomer, adjacent institute
State the groove for being equipped between interior cold piece of monomer and being formed by the segmentation muscle.
3. wax-pattern anti-deformation process according to claim 2, which is characterized in that the step S4 specifically:
The interior cold piece of monomer for obtaining preset quantity is placed on institute as cold piece (1) in target, and by cold piece (1) in the target
It states in Wax mold (2), slack wax, cold piece (1) impact in the slack wax in the target is pressed into Xiang Suoshu Wax mold (2)
Under be suspended into the middle part of the cavity of the Wax mold (2), fill cooling die sinking after the completion of type, obtain wax-pattern.
4. cold piece (1) in one kind, which is characterized in that including cold piece of monomer at least one, each interior cold piece of monomer includes
Interior cold block main body (1-1) and several boss (1-2) being arranged on the interior cold block main body (1-1), each interior cold piece of list
The through-hole (1-3) for slack wax circulation is equipped between the middle part of body and/or the adjacent interior cold piece of monomer.
Interior cold piece (1) 5. according to claim 4, which is characterized in that the boss (1-2) is in cone shape.
Interior cold piece (1) 6. according to claim 4, which is characterized in that the interior cold block main body (1-1) is in cuboid-type,
Six faces of the interior cold block main body (1-1) are equipped with several boss (1-2).
Interior cold piece (1) 7. according to claim 6, which is characterized in that the through-hole (1-3) is through setting described interior cold
The size lesser width or short transverse of block main body (1-1).
Interior cold piece (1) 8. according to claim 4, which is characterized in that the shape of the interior cold block main body (1-1) with it is described
The cavity shape of Wax mold (2) is consistent.
9. cold piece (1) according to claim 4 to 8 any one, which is characterized in that the interior cold block main body (1-1)
Surface and the distance between the internal chamber wall of the Wax mold (2) be at least 10mm.
Interior cold piece (1) 10. according to claim 9, which is characterized in that the height of the boss (1-2) is 5-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910380510.9A CN110038999A (en) | 2019-05-08 | 2019-05-08 | A kind of wax-pattern anti-deformation process and cold piece interior |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910380510.9A CN110038999A (en) | 2019-05-08 | 2019-05-08 | A kind of wax-pattern anti-deformation process and cold piece interior |
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| CN110038999A true CN110038999A (en) | 2019-07-23 |
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| CN201910380510.9A Pending CN110038999A (en) | 2019-05-08 | 2019-05-08 | A kind of wax-pattern anti-deformation process and cold piece interior |
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Cited By (2)
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| CN112338138A (en) * | 2020-10-16 | 2021-02-09 | 中国航发北京航空材料研究院 | Wax mold anti-deformation process for high-temperature alloy turbine rotor |
| CN115401168A (en) * | 2022-08-29 | 2022-11-29 | 贵州安吉航空精密铸造有限责任公司 | Stepped cold wax core structure for manufacturing casting wax mold core |
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| CN106734885A (en) * | 2017-01-18 | 2017-05-31 | 江苏永瀚特种合金技术有限公司 | A kind of method that cold wax stone and ceramic core are used for wax-pattern compacting simultaneously |
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| CN106734885A (en) * | 2017-01-18 | 2017-05-31 | 江苏永瀚特种合金技术有限公司 | A kind of method that cold wax stone and ceramic core are used for wax-pattern compacting simultaneously |
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| CN112338138A (en) * | 2020-10-16 | 2021-02-09 | 中国航发北京航空材料研究院 | Wax mold anti-deformation process for high-temperature alloy turbine rotor |
| CN115401168A (en) * | 2022-08-29 | 2022-11-29 | 贵州安吉航空精密铸造有限责任公司 | Stepped cold wax core structure for manufacturing casting wax mold core |
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Application publication date: 20190723 |