CN209477221U - A kind of 3 D-printing pressure shell sand mould - Google Patents
A kind of 3 D-printing pressure shell sand mould Download PDFInfo
- Publication number
- CN209477221U CN209477221U CN201821708160.1U CN201821708160U CN209477221U CN 209477221 U CN209477221 U CN 209477221U CN 201821708160 U CN201821708160 U CN 201821708160U CN 209477221 U CN209477221 U CN 209477221U
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- CN
- China
- Prior art keywords
- sand mold
- sand
- impressions
- mold
- reinforcing rib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Casting Devices For Molds (AREA)
Abstract
The utility model relates to a kind of 3 D-printing pressure shell sand moulds, including lower sand mold, lower sand mold and type core, lower sand mold is equipped with open-topped lower impressions, and upper sand mold is equipped with the upper impression of bottom opening, upper sand mold include with upper housing, reinforcing rib, lower sand mold includes lower case identical with lower impressions shape.The utility model is utilized in upper sand mold setting reinforcing rib under the premise of guaranteeing sand mold intensity, is reduced wall thickness, is promoted the gas permeability of sand mold, reduces molding sand dosage, save the cost can print the sand mold of complicated shape by three-dimensional sand mold printer, precision is higher, reduces molding sand dosage, reduces baking time.
Description
Technical field
The utility model relates to sand mold technical field, in particular to a kind of 3 D-printing pressure shell sand mould.
Background technique
Sand mold mainly passes through molding sand and produces type chamber as common casting mould, then injects the raw material of melting
Type chamber, forms pouring piece after cooling, existing sand mold is such sand mold wall thickness by digging out type chamber in the molding sand block of square block,
Weight is big, needs molding sand amount more.
Utility model content
In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of 3 D-printing pressure shell sand moulds.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of 3 D-printing pressure shell sand mould, packet
Sand mold, lower sand mold and type core are included, the lower sand mold is equipped with open-topped lower impressions, and the upper sand mold is equipped with bottom opening
Upper impression, the type core is arranged between the lower sand mold and upper sand mold and protrudes into the upper impression and the lower impressions, institute
Stating sand mold includes upper housing identical with upper impression shape, the netted reinforcing rib that the upper housing top surface is arranged in, it is described on
Housing top surface is equipped with the sprue gate being connected to the upper impression, and the lower sand mold includes lower case identical with lower impressions shape.
Under the premise of guaranteeing sand mold intensity, reduce wall thickness using in upper sand mold setting reinforcing rib in above-mentioned design, promoted
The gas permeability of sand mold reduces molding sand dosage, save the cost.
As the further improvement of the design, positioning pit, the type core are equipped at the top of the lower sand mold of the lower impressions side
Side is equipped with locating piece, and the locating piece and the positioning pit cooperate, and the positioning pit is multi-prism taper, hoist type core installation essence
Degree.
As the further improvement of the design, the lower case bottom is equipped with netted reinforcing rib, promotes lower sand mold intensity.
As the further improvement of the design, the lower sand mold top surface is equipped with the limiting stand extended along the mo(u)ld bottom half cavity edge
Rank, the upper sand mold bottom are equipped with the limiting slot cooperated with the limited step, promote closing precision.
A kind of 3 D-printing pressure shell sand mould manufacture craft, includes the following steps:
S1: successively printing sand mold, lower sand mold and type core by three-dimensional sand mold printer, sand mold and lower sand mold in guarantee
On upper housing and lower case uniform wall thickness；
S2: upper sand mold, lower sand mold and type core are assembled；
S3: the sand mould after step S2 assembly is put into oven cooking cycle 30-50 minutes.
As the further improvement of the design, the baking time of the sand mold is 40 minutes.
By three-dimensional sand mold printer, the sand mold of complicated shape can be printed, precision is higher, reduces molding sand dosage, reduces
Baking time.
The beneficial effects of the utility model are: the utility model, which is utilized, is guaranteeing sand mold intensity in upper sand mold setting reinforcing rib
Under the premise of, reduce wall thickness, promote the gas permeability of sand mold, reduces molding sand dosage, save the cost, by three-dimensional sand mold printer,
The sand mold of complicated shape can be printed, precision is higher, reduces molding sand dosage, reduces baking time.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the configuration schematic diagram of the utility model.
Fig. 2 is the upper sand mold stereoscopic schematic diagram of the utility model.
1. upper housing in figure, 2. sprue gates, 3. reinforcing ribs, 4. type cores, 5. positioning pits, 6. lower cases, 7. lower impressions, 8.
Upper impression, 9. locating pieces, 10. limiting slots, 11. limited steps.
Specific embodiment
Be described in detail the utility model below in conjunction with attached drawing and specific embodiment, illustrative examples therein with
And explanation is only used to explain the utility model, but is not intended to limit the scope of the present invention.
Embodiment: a kind of 3 D-printing pressure shell sand mould, including upper sand mold, lower sand mold and type core 4, the lower sand mold are set
There are open-topped lower impressions 7, the upper sand mold is equipped with the upper impression 8 of bottom opening, and the type core 4 is arranged in the lower sand mold
Between upper sand mold and the upper impression 8 and the lower impressions 7 are protruded into, the upper sand mold includes identical with 8 shape of upper impression
Upper housing 1, the netted reinforcing rib 3 that 1 top surface of upper housing is arranged in, 1 top surface of upper housing is equipped with to be connected with the upper impression 8
Logical sprue gate 2, the lower sand mold include lower case 6 identical with 7 shape of lower impressions.
Under the premise of guaranteeing sand mold intensity, reduce wall thickness using in upper sand mold setting reinforcing rib 3 in above-mentioned design, promoted
The gas permeability of sand mold reduces molding sand dosage, save the cost.
As the further improvement of the design, positioning pit 5, the type are equipped at the top of the lower sand mold of 7 side of lower impressions
4 side of core is equipped with locating piece 9, and the locating piece 9 cooperates with the positioning pit 5, and the positioning pit 5 is multi-prism taper, hoist type
4 installation accuracy of core.
As the further improvement of the design, 6 bottom of lower case is equipped with netted reinforcing rib 3, promotes lower sand mold intensity.
As the further improvement of the design, the lower sand mold top surface is equipped with the limit extended along 7 edge of lower impressions
Step 11, the upper sand mold bottom are equipped with the limiting slot 10 cooperated with the limited step 11, promote closing precision.
A kind of 3 D-printing pressure shell sand mould manufacture craft, includes the following steps:
S1: successively printing sand mold, lower sand mold and type core 4 by three-dimensional sand mold printer, sand mold and lower sand in guarantee
6 uniform wall thickness of upper housing 1 and lower case in type；
S2: upper sand mold, lower sand mold and type core 4 are assembled；
S3: the sand mould after step S2 assembly is put into oven cooking cycle 30-50 minutes.
As the further improvement of the design, the baking time of the sand mold is 40 minutes.By three-dimensional sand mold printer,
The sand mold of complicated shape can be printed, precision is higher, reduces molding sand dosage, reduces baking time.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (1)
1. a kind of 3 D-printing pressure shell sand mould, including upper sand mold, lower sand mold and type core, the lower sand mold is equipped with top opening
Lower impressions, the upper sand mold is equipped with the upper impression of bottom opening, and the type core is arranged between the lower sand mold and upper sand mold
And protrude into the upper impression and the lower impressions, which is characterized in that the upper sand mold includes upper casing identical with upper impression shape
Body, the netted reinforcing rib that the upper housing top surface is arranged in, the upper housing top surface are equipped with the casting being connected to the upper impression
Mouthful, the lower sand mold includes lower case identical with lower impressions shape, is equipped with positioning at the top of the lower sand mold of the lower impressions side
Hole, type core side are equipped with locating piece, and the locating piece and the positioning pit cooperate, and the positioning pit is multi-prism taper, institute
Lower case bottom is stated equipped with netted reinforcing rib, the lower sand mold top surface is equipped with the limited step extended along the mo(u)ld bottom half cavity edge,
The upper sand mold bottom is equipped with the limiting slot cooperated with the limited step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708160.1U CN209477221U (en) | 2018-10-22 | 2018-10-22 | A kind of 3 D-printing pressure shell sand mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708160.1U CN209477221U (en) | 2018-10-22 | 2018-10-22 | A kind of 3 D-printing pressure shell sand mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209477221U true CN209477221U (en) | 2019-10-11 |
Family
ID=68115016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821708160.1U Expired - Fee Related CN209477221U (en) | 2018-10-22 | 2018-10-22 | A kind of 3 D-printing pressure shell sand mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209477221U (en) |
-
2018
- 2018-10-22 CN CN201821708160.1U patent/CN209477221U/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 |
Granted publication date: 20191011 Termination date: 20211022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |