CN208712778U - Investment-casting structure - Google Patents
Investment-casting structure Download PDFInfo
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- CN208712778U CN208712778U CN201821215118.6U CN201821215118U CN208712778U CN 208712778 U CN208712778 U CN 208712778U CN 201821215118 U CN201821215118 U CN 201821215118U CN 208712778 U CN208712778 U CN 208712778U
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- Prior art keywords
- axle sleeve
- fusible pattern
- core
- support shaft
- investment
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Abstract
The utility model relates to a kind of investment-casting structures, including fusible pattern main body, fusible pattern core, forming core and ingate；Fusible pattern main body includes support shaft, connects first axle sleeve of support shaft one end and connect the second axle sleeve of the support shaft other end；Fusible pattern in-core is placed in fusible pattern main body, and forming core connects the second axle sleeve, and ingate connects the first axle sleeve.The investment-casting structure of the utility model solves the problems, such as that fusible pattern is deformed due to thick big by the way that fusible pattern in-core is placed in fusible pattern main body；The second axle sleeve is clamped by forming core, it is ensured that the quality of blind hole；Increase the diameter of fusible pattern core and the first axle sleeve is sheathed on fusible pattern core, guarantees product without manufacturing defect.This investment-casting structure significantly improves production efficiency, improves product quality, substantially reduces production cost.
Description
Technical field
The utility model relates to Investment casting technology fields, more particularly to a kind of simple investment-casting structure of structure.
Background technique
Model casting is called lost-wax casting, is by meltable material in simple terms as a branch in hot investment casting field
Expect that paraffin wax white, stearic acid apply refractory material and form shell, melts out apperance, after injection liquid metal is cooling, the method for obtaining casting,
It is a kind of few advanced technologies cut or do not cut, the product casting produced with this technique has high dimensional accuracy and table
Face finish can save a large amount of equipment and processing, improve the utilization rate of metal, extensive utilization is into industrial production.
Core part of the ice bar as household sorbet machine is scraped, it need to be at mass production, to control manufacturing cost, this part blank
It is formed using precision-investment casting, which is that middle section is helical structure, and one end is blind hole, and other end is tiny axis,
In structure small in ends, broad in the middle.Currently, there are the following problems in process of production: when one, using whole shaping investment pattern, by
Big in thick middle, internal wax-pattern can not cool down, so being penetrated molding wax part on wax machine, can then occur in placement process curved
Song causes casting produced also to generate bending, it is difficult to which school shape seriously affects manufacturing schedule and quality；Two, using shell naturally processed
When forming the blind hole of one end, due to using precision casting technology, blind hole is difficult to air-dry, and causes casting scrappage high, yield rate is low, it is difficult to
Guarantee output and benefit.
Utility model content
Based on this, it is necessary in view of the above-mentioned problems, providing the investment-casting structure that a kind of structure is simple, final product quality is good.
A kind of investment-casting structure, including fusible pattern main body, fusible pattern core, forming core and ingate；The fusible pattern main body includes
Support shaft, the first axle sleeve for connecting support shaft one end and the second axle sleeve for connecting the support shaft other end；The fusible pattern in-core is placed in
Fusible pattern main body, the forming core connect the second axle sleeve, and the ingate connects the first axle sleeve.
The investment-casting structure of the utility model solves fusible pattern due to thick big by the way that fusible pattern in-core is placed in fusible pattern main body
And the problem of deforming；The second axle sleeve is clamped by forming core, it is ensured that the quality of blind hole；By the way that the first axle sleeve is sheathed on fusible pattern
Core and the diameter for increasing fusible pattern core guarantee product without manufacturing defect.This investment-casting structure significantly improves production efficiency, improves
Product quality, substantially reduces production cost.
One end of fusible pattern core from first axle sleeve extends to the second axle sleeve in one of the embodiments, the fusible pattern core
The second fusible pattern core including the first fusible pattern core of the first fusible pattern core and connection；The diameter of the first fusible pattern core is greater than the second fusible pattern core
Diameter, the diameter of the first fusible pattern core is equal with the internal diameter of first axle sleeve.
It is close to extend to the support shaft for one end of the first fusible pattern core from first axle sleeve in one of the embodiments,
One end of second axle sleeve, the equal length of the first fusible pattern core is in the length of the support shaft and the sum of the length of the first axle sleeve；
The length of the second fusible pattern core is less than the length of second axle sleeve.
The fusible pattern main body includes connection ring in one of the embodiments, and connection ring connection support shaft is close to the
One end of two axle sleeves, the internal diameter of the connection ring are equal to the diameter of the second axle sleeve；One end of first axle sleeve abuts the company
Ring is connect, second axle sleeve wears the connection ring.
The ingate connects the side of the first axle sleeve in one of the embodiments,.
The fusible pattern main body includes the helical member for connecting support shaft side wall, the helical member in one of the embodiments,
Along the axial direction spiral from bottom to top of support shaft.
The internal diameter of first axle sleeve is equal to the internal diameter of the support shaft in one of the embodiments, and described second
The diameter of axle sleeve is less than the outer diameter of the support shaft.
The described one end of second axle sleeve far from support shaft is equipped with card slot along central axis in one of the embodiments,；It is described
Forming core is convexly equipped in the second axle sleeve close to one end of card slot.
The side of the forming core is arc in one of the embodiments, and the shape of the forming core corresponds to the shape of card slot
Shape.
The support shaft, the first axle sleeve, the second axle sleeve, fusible pattern core and forming core are coaxial in one of the embodiments,
Setting.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the investment-casting structure of a preferred embodiment of the utility model；
Fig. 2 is the schematic diagram of another angle of Fig. 1；
Fig. 3 is the sectional view in Fig. 2 along line A-A；
Fig. 4 is fusible pattern main body and the schematic perspective view of fusible pattern core in Fig. 1.
Attached drawing mark explanation:
Investment-casting structure 100；
Fusible pattern main body 10, support shaft 11,12, second sets of axis 13 of first set axis, helical member 14, connection ring 15, fusible pattern core 20,
First fusible pattern core 21, the second fusible pattern core 22, forming core 30, ingate 40.
Specific embodiment
The utility model will be described more fully below for the ease of understanding the utility model,.But this is practical
It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
The purpose of example is to make the understanding of the disclosure of the utility model more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
It is referring to FIG. 1 to FIG. 4, a kind of investment-casting structure 100 of one better embodiment of the utility model, including molten
Mould main body 10, fusible pattern core 20, forming core 30 and ingate 40；Fusible pattern main body 10 includes support shaft 11, connection 11 one end of support shaft
The first axle sleeve 12 and connect 11 other end of support shaft the second axle sleeve 13；Fusible pattern core 20 is built in fusible pattern main body 10, forming core
30 the second axle sleeves 13 of connection, ingate 40 connect the first axle sleeve 12.This investment-casting structure 100 is by the way that fusible pattern core 20 to be built in
Fusible pattern main body 10 solves the problems, such as that fusible pattern is deformed due to thick big；The second axle sleeve 13 is clamped by forming core 30, it is ensured that blind
The quality in hole；Increase the diameter of fusible pattern core 20 and the first axle sleeve 12 is sheathed on fusible pattern core 20, guarantees that product is lacked without manufacture
It falls into.
As shown in Figure 1 to Figure 3, in the present embodiment, it since investment-casting fusible pattern is thick big, easily causes fusible pattern to be recessed, produces
Rate is low, fusible pattern bending, so, support shaft 11 is set as hollow cylinder；First axle sleeve 12 connects support shaft 11
One end meets the technique requirement of investment-casting, guarantees product without casting flaw, no shrinkage cavity to increase the diameter of fusible pattern core 20；The
The internal diameter of one axle sleeve 12 is equal to the internal diameter of support shaft 11, and the diameter of the second axle sleeve 13 is less than the outer diameter of support shaft 11.Optionally,
Second one end of axle sleeve 13 far from support shaft 11 is equipped with card slot along central axis, and second axle sleeve 13 is close to one end edge of support shaft 11
Central axis is equipped with groove.Further, the outer diameter of the first axle sleeve 12 is less than the outer diameter of support shaft 11 and adds convenient for later product polishing
Working hour reduces workload.Fusible pattern main body 10 includes the helical member 14 of connection 11 side wall of support shaft, and helical member 14 is along support shaft 11
Axial spiral from bottom to top.Further, fusible pattern main body 10 includes connection ring 15, and connection ring 15 connects support shaft 11 close to second
One end of axle sleeve 13.Specifically, the internal diameter of connection ring 15 is equal to the diameter of the second axle sleeve 13；One end of first axle sleeve 12 abuts
Connection ring 15, the second axle sleeve 13 wear connection ring 15.
Referring to Figure 4 together, one end of fusible pattern core 20 from the first axle sleeve 12 extends to the second axle sleeve 13, the fusible pattern core 20 packet
It includes the first fusible pattern core 21 and connects the second fusible pattern core 22 of the first fusible pattern core 21；The diameter of first fusible pattern core 21 is greater than the second fusible pattern
The diameter of core 22, the diameter of the first fusible pattern core 21 are equal with the internal diameter of the first axle sleeve 12.Optionally, the first fusible pattern core 21 is from
One end of one axle sleeve 12 extends to support shaft 11 close to one end of the second axle sleeve 13, and the equal length of the first fusible pattern core 21 is in branch
Support the length of axis 11 and the sum of the length of the first axle sleeve 12；Length of the length of second fusible pattern core 22 less than the second axle sleeve 13.Into
One step, fusible pattern main body 10 and fusible pattern core 20 are modelling wax in order to fusible pattern moulding.
It is inserted into card slot for the ease of forming core 30, the side of forming core 30 is arc, the corresponding card of the shape of the forming core 30
The shape of slot.For the ease of extracting after processing, forming core 30 is convexly equipped in the second axle sleeve 13 close to one end of card slot.To guarantee finished product
Rate maximizes, and production efficiency is improved, by 30 clamping groove of forming core, ensure that the quality of production of blind hole, rejection rate reduces herein
It is zero, and the production cycle shortens, cost reduces.Optionally, forming core 30 be ceramics to prevent dewaxing when high temperature deformation.In a tool
In body embodiment, ingate 40 connects the side of the first axle sleeve 12, in favor of consecutive solidification, guarantees that product passes through 72 hours or more
Salt spray test.In other embodiments, ingate 40 connects one end of the first axle sleeve 12.For the ease of processing, support shaft 11,
First axle sleeve 12, the second axle sleeve 13, fusible pattern core 20 and forming core 30 are coaxially disposed.
When using this investment-casting structure 100, first by fusible pattern main body 10, fusible pattern core 20, ingate 40 individually waxed molding,
Fusible pattern core 20 is worn into fusible pattern main body 10 again, keeps one end of fusible pattern core 20 concordant with first set axis 12, ingate 40 is bonded to
First axle sleeve 12；Then, forming core 30 is clamped card slot, obtains molding investment-casting structure 100；Finally, several are melted
Die casting structure 100 forms mould tree and is used for post-production.
The investment-casting structure 100 of the utility model solves fusible pattern by the way that fusible pattern core 20 is built in fusible pattern main body 10
The problem of being deformed due to thick big；The second axle sleeve 13 is clamped by forming core 30, it is ensured that the quality of blind hole；By by first axle
Set 12 is sheathed on fusible pattern core 20 and increases the diameter of fusible pattern core 20, guarantees product without manufacturing defect.This investment-casting structure 100 is aobvious
Work improves production efficiency, improves product quality, substantially reduces production cost.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of investment-casting structure, which is characterized in that including fusible pattern main body, fusible pattern core, forming core and ingate；It is described molten
Mould main body includes support shaft, connects first axle sleeve of support shaft one end and connect the second axle sleeve of the support shaft other end；It is described molten
Mold core is built in fusible pattern main body, and the forming core connects the second axle sleeve, and the ingate connects the first axle sleeve.
2. investment-casting structure according to claim 1, which is characterized in that prolong one end of fusible pattern core from first axle sleeve
For length to the second axle sleeve, which includes the first fusible pattern core and the second fusible pattern core for connecting the first fusible pattern core；First fusible pattern
The diameter of core is greater than the diameter of the second fusible pattern core, and the diameter of the first fusible pattern core is equal with the internal diameter of first axle sleeve.
3. investment-casting structure according to claim 2, which is characterized in that the first fusible pattern core is from the one of the first axle sleeve
End extends to the support shaft close to one end of the second axle sleeve, and the equal length of the first fusible pattern core is in the length of the support shaft
The sum of with the length of the first axle sleeve；The length of the second fusible pattern core is less than the length of second axle sleeve.
4. investment-casting structure according to claim 2, which is characterized in that the fusible pattern main body includes connection ring, described
Connection ring connects support shaft close to one end of the second axle sleeve, and the internal diameter of the connection ring is equal to the diameter of the second axle sleeve；Described
One end of one axle sleeve abuts the connection ring, and second axle sleeve wears the connection ring.
5. investment-casting structure according to claim 1, which is characterized in that the ingate connects the one of the first axle sleeve
Side.
6. investment-casting structure according to claim 1, which is characterized in that the fusible pattern main body includes connection support shaft side
The helical member of wall, axial direction from bottom to top spiral of the helical member along support shaft.
7. investment-casting structure according to claim 1, which is characterized in that the internal diameter of first axle sleeve is equal to described
The internal diameter of support shaft, the diameter of second axle sleeve are less than the outer diameter of the support shaft.
8. investment-casting structure according to claim 7, which is characterized in that the described one end of second axle sleeve far from support shaft
Card slot is equipped with along central axis；The forming core is convexly equipped in the second axle sleeve close to one end of card slot.
9. investment-casting structure according to claim 8, which is characterized in that the side of the forming core be arc, this at
The shape of type core corresponds to the shape of card slot.
10. investment-casting structure according to claim 1, which is characterized in that the support shaft, the first axle sleeve, the second axis
Set, fusible pattern core and forming core are coaxially disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215118.6U CN208712778U (en) | 2018-07-27 | 2018-07-27 | Investment-casting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215118.6U CN208712778U (en) | 2018-07-27 | 2018-07-27 | Investment-casting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208712778U true CN208712778U (en) | 2019-04-09 |
Family
ID=65975361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821215118.6U Expired - Fee Related CN208712778U (en) | 2018-07-27 | 2018-07-27 | Investment-casting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208712778U (en) |
-
2018
- 2018-07-27 CN CN201821215118.6U patent/CN208712778U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190409 Termination date: 20200727 |