CN209811164U - Sand core positioning structure - Google Patents
Sand core positioning structure Download PDFInfo
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- CN209811164U CN209811164U CN201920650659.XU CN201920650659U CN209811164U CN 209811164 U CN209811164 U CN 209811164U CN 201920650659 U CN201920650659 U CN 201920650659U CN 209811164 U CN209811164 U CN 209811164U
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- sand core
- installation department
- base
- psammitolite
- positioning structure
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Abstract
The utility model provides a psammitolite location structure, the die comprises a die body, this internal psammitolite that is equipped with of mould, be equipped with the installation department on the psammitolite, it stretches out the mould body to go up the installation department, it is equipped with orienting device in the one end that the mould body was stretched out to go up the installation department, orienting device includes a plurality of bellyings. Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that: the orientation device with the protruding portion is located in the upper installation portion, the position of the sand core, which is in contact with the protruding portion, is located on the inner side of the sand core, the part of the sand core is not prone to falling off, the positioning accuracy is high, in addition, the external structure of the sand core is not affected, the production difficulty of the sand core is not increased, and the production cost is not increased.
Description
Technical Field
The utility model relates to a casting technical field.
In particular to a sand core positioning structure.
Background
The sand core is used as a core in casting production, and is generally formed by mixing casting sand, a molding sand binder, an auxiliary material and other molding materials according to a certain proportion, the sand core is arranged in a mould body before casting, molten metal is poured into the mould body for condensation, and then the molten metal is removed during sand discharge, so that a cavity can be formed in a casting.
For example, in a casting die of a flange, the main body of a sand core is cylindrical, and the sand core main body is also provided with a plurality of auxiliary structures, so that the sand core is easy to rotate, and the rotation causes the dislocation of the structures in the cavity of the flange. Therefore, in order to ensure the accuracy of the casting cavity in the casting process, the position of the sand core in the mold body is usually fixed.
In the prior art, the contact part of the sand core and the die body is generally made into a certain shape, and the die body is made into a corresponding shape, which has the following disadvantages.
1. The positioning strength is poor, the sand core is mainly formed by mixing casting sand, a molding sand binder, auxiliary additives and the like, the strength is poor, and the positioning precision is influenced by the condition that the part of the sand core is easy to fall off when the sand core is in contact with the die body.
2. The sand core has a complex structure, the production difficulty of the sand core is increased, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a psammitolite location structure.
The purpose of the utility model is achieved through the following technical measures:
the utility model provides a psammitolite location structure, includes the mould body, this internal psammitolite that is equipped with of mould, be equipped with the installation department on the psammitolite, go up the installation department and stretch out the mould body, it is equipped with orienting device in the one end that the mould body was stretched out to go up the installation department, orienting device includes a plurality of bellying.
As an improvement: the orienting device further comprises a base, and the base is located at one end, far away from the upper mounting portion, of the protruding portion.
As an improvement: the base is cylindrical in shape.
As an improvement: the plurality of convex parts are uniformly arranged along the circumferential direction.
As an improvement: the number of the convex parts is three or four.
As an improvement: the mould body includes base, cavity and footstock, go up the installation department and stretch out the footstock.
As an improvement: still be equipped with down the installation department on the psammitolite, the base is stretched out to the lower installation department.
Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that: the orientation device with the protruding portion is located in the upper installation portion, the position of the sand core, which is in contact with the protruding portion, is located on the inner side of the sand core, the part of the sand core is not prone to falling off, the positioning accuracy is high, in addition, the external structure of the sand core is not affected, the production difficulty of the sand core is not increased, and the production cost is not increased.
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Drawings
Fig. 1 is the utility model relates to a psammitolite location structure's schematic structure diagram.
Fig. 2 is the utility model relates to a psammitolite location structure's schematic structure diagram.
Fig. 3 is a schematic structural view of an orienting device in a sand core positioning structure in embodiment 1 of the present invention.
Fig. 4 is a schematic structural view of an orienting device in a sand core positioning structure in embodiment 2 of the present invention.
In the figure: 1-a base; 2-a cavity; 3-a top seat; 4-an upper mounting part; 5-an orientation device; 6-sand core; 7-a lower mounting portion; 8-a boss; 9-base.
Detailed Description
Example 1: as shown in the accompanying drawings 1 and 2, the sand core positioning structure comprises a die body, wherein the die body comprises a base 1, a cavity 2 and a top seat 3 which are sequentially arranged.
A sand core 6 is arranged in the die body, and specifically, the sand core 6 is arranged in the cavity 2.
The sand core 6 is provided with an upper installation part 4 and a lower installation part 7, the upper installation part 4 is cylindrical, and the upper installation part 4 is cylindrical.
Go up installation department 4 and stretch out the mould body, it is specific, go up installation department 4 and stretch out footstock 3, be equipped with on the footstock 3 and hold the circular port that installation department 4 passed.
Lower installation department 7 stretches out the mould body, and is concrete, lower installation department 7 stretches out base 1, be equipped with on the base 1 and hold the circular port that lower installation department 7 passed.
The sand core 6, the upper mounting part 4 and the lower mounting part 7 are integrally designed and made of molding sand.
As shown in fig. 3, an orientation device 5 is arranged in one end of the upper mounting portion 4 extending out of the die body, the orientation device 5 includes a plurality of protrusions 8, preferably, the number of the protrusions 8 is four, and the four protrusions 8 are uniformly arranged along the circumferential direction.
The orientation device 5 further comprises a base 9, the base 9 is located at one end, far away from the upper mounting portion 4, of the protruding portion 8, and the base 9 is cylindrical in shape.
Example 2: example 1: as shown in fig. 1 and 2, the sand core positioning structure comprises a mold body, wherein the mold body comprises a base 1, a cavity 2 and a top seat 3 which are sequentially arranged, and the base 1, the cavity 2 and the top seat 3 are connected together in a known manner.
A sand core 6 is arranged in the die body, and specifically, the sand core 6 is arranged in the cavity 2.
The sand core 6 is provided with an upper installation part 4 and a lower installation part 7, the upper installation part 4 is cylindrical, and the upper installation part 4 is cylindrical.
Go up installation department 4 and stretch out the mould body, it is specific, go up installation department 4 and stretch out footstock 3, be equipped with on the footstock 3 and hold the circular port that installation department 4 passed.
Lower installation department 7 stretches out the mould body, and is concrete, lower installation department 7 stretches out base 1, be equipped with on the base 1 and hold the circular port that lower installation department 7 passed.
The sand core 6, the upper mounting part 4 and the lower mounting part 7 are integrally designed and made of molding sand.
As shown in fig. 4, an orientation device 5 is arranged in one end of the upper mounting portion 4 extending out of the die body, the orientation device 5 comprises a plurality of protrusions 8, preferably, the number of the protrusions 8 is four, and the four protrusions 8 are uniformly arranged along the circumferential direction.
The orientation device 5 further comprises a base 9, the base 9 is located at one end, far away from the upper mounting portion 4, of the protruding portion 8, and the base 9 is cylindrical in shape.
When the novel die is used, the base 9 is connected with a casting machine through a known means, preferably, the base 9 is connected with the casting machine through bolts, after casting is completed, the orienting device 5 is firstly dismounted, and then the die body is opened according to the prior art.
The present invention is not limited to the embodiments described above, but the embodiments are only preferred embodiments of the present invention and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should fall within the patent coverage of the present invention.
Claims (7)
1. The utility model provides a psammitolite location structure, includes the mould body, this internal psammitolite (6) that is equipped with of mould, its characterized in that: be equipped with installation department (4) on psammitolite (6), go up installation department (4) and stretch out the mould body, it is equipped with orienting device (5) to go up installation department (4) one end of stretching out the mould body, orienting device (5) include a plurality of bellying (8).
2. The sand core positioning structure of claim 1, wherein: the orienting device (5) further comprises a base (9), wherein the base (9) is located at one end, away from the upper mounting portion (4), of the protruding portion (8).
3. The sand core positioning structure of claim 2, wherein: the base (9) is cylindrical in shape.
4. The sand core positioning structure of claim 1, wherein: the plurality of convex parts (8) are uniformly arranged along the circumferential direction.
5. The sand core positioning structure of claim 1, wherein: the number of the convex parts (8) is three or four.
6. The positioning structure for a sand core according to any one of claims 1 to 5, wherein: the die body comprises a base (1), a cavity (2) and a top seat (3), and the top seat (3) extends out of the upper mounting part (4).
7. The sand core positioning structure of claim 6, wherein: still be equipped with down installation department (7) on psammitolite (6), lower installation department (7) stretch out base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920650659.XU CN209811164U (en) | 2019-05-08 | 2019-05-08 | Sand core positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920650659.XU CN209811164U (en) | 2019-05-08 | 2019-05-08 | Sand core positioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209811164U true CN209811164U (en) | 2019-12-20 |
Family
ID=68882840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920650659.XU Active CN209811164U (en) | 2019-05-08 | 2019-05-08 | Sand core positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209811164U (en) |
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2019
- 2019-05-08 CN CN201920650659.XU patent/CN209811164U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Sand Core Positioning Structure Effective date of registration: 20230821 Granted publication date: 20191220 Pledgee: Weifang branch of Bank of Beijing Co.,Ltd. Pledgor: SHANDONG CARE-TRIUMPH ELECTRIC Co.,Ltd. Registration number: Y2023980052970 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |