CN213317501U

CN213317501U - Cast psammitolite structure

Info

Publication number: CN213317501U
Application number: CN202022036064.0U
Authority: CN
Inventors: 王奇志
Original assignee: Junan Youyuan Machinery Co ltd
Current assignee: Junan Youyuan Machinery Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-06-01
Anticipated expiration: 2030-09-17

Abstract

The utility model relates to the technical field of casting, and discloses a cast sand core structure, which comprises an upper die and a lower die, wherein an upper casting cavity is arranged on the bottom surface of the upper die, and four convex blocks are arranged on the bottom surface of the upper die; a lower pouring cavity is formed in the top surface of the lower die, and four grooves are formed in the top surface of the lower die; four water conveying pipes are respectively arranged on the upper die and the lower die; and a plurality of cooling pipes are respectively arranged in the upper die and the lower die. This cast psammitolite structure through being provided with a plurality of cooling tubes in last mould and bed die respectively, and a plurality of cooling tubes are linked together with four raceway on last mould and the bed die respectively, and the raceway of going up the mould is corresponding with the lug, and the raceway of bed die is corresponding with the recess, has reached the interior water injection back of four raceway on the mould that makes progress, and the cooling water can flow in a plurality of cooling tubes to carry out refrigerated effect to the foundry goods chamber.

Description

Cast psammitolite structure

Technical Field

The utility model relates to a casting technical field specifically is a foundry sand core structure.

Background

Sand casting refers to a casting method for producing castings in sand, steel, iron and most nonferrous alloy castings can be obtained by the sand casting method, and because the molding materials used for sand casting are cheap and easy to obtain, the casting mold is simple and convenient to manufacture, and can adapt to single-piece production, batch production and mass production of the castings, the sand casting is a basic process in casting production for a long time.

The cast psammitolite structure that has now on the market, when pouring the great foundry goods of wall thickness, can not carry out timely heat dissipation to the foundry goods die cavity, lead to the inner chamber to appear the problem of shrinkage porosity, shrinkage cavity, gas pocket defect, it is relatively poor to have the thermal diffusivity of foundry goods chamber, and product quality receives the problem of influence, has improved the cost, is not convenient for use, so proposes above-mentioned cast psammitolite structure in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a cast psammitolite structure has solved the current cast psammitolite structure who proposes in the above-mentioned background, when pouring the great foundry goods of wall thickness, can not carry out timely heat dissipation to the foundry goods die cavity, leads to the problem that shrinkage porosity, shrinkage cavity, gas pocket defect appear in the inner chamber, and it is relatively poor to have the thermal diffusivity in foundry goods chamber, and product quality receives the problem of influence.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a cast sand core structure comprises an upper die and a lower die, wherein an upper casting cavity is formed in the bottom surface of the upper die, and four convex blocks are arranged on the bottom surface of the upper die; a pouring pipe is communicated with the top surface of the upper die; a lower pouring cavity is formed in the top surface of the lower die, and four grooves are formed in the top surface of the lower die; four water conveying pipes are respectively arranged on the upper die and the lower die; and a plurality of cooling pipes are respectively arranged in the upper die and the lower die.

Furthermore, four the lugs are respectively arranged at positions close to four corners on the bottom surface of the upper die, four the grooves are respectively arranged at positions close to four corners on the top surface of the lower die, and the lugs and the grooves are respectively correspondingly connected in a clamping manner.

Furthermore, the positions of the four water conveying pipes arranged on the upper die correspond to the positions of the four bumps, and the positions of the four water conveying pipes arranged on the lower die correspond to the positions of the four grooves.

Furthermore, after the four bumps and the four grooves are clamped, the four water pipes arranged on the upper die are communicated with the four water pipes arranged on the lower die.

Furthermore, every the cooling tube all is "mouthful" style of calligraphy setting, and is a plurality of the cooling tube is respectively around upper casting cavity and lower casting cavity setting.

Furthermore, a plurality of cooling pipes are arranged in the upper die and the lower die respectively in a linear array.

Furthermore, the four corners of each cooling pipe are respectively communicated with the four water conveying pipes.

(III) advantageous effects

The utility model provides a cast psammitolite structure possesses following beneficial effect:

this cast psammitolite structure, through be provided with a plurality of cooling tubes in last mould and bed die respectively, a plurality of cooling tubes are linked together with four raceway on last mould and the bed die respectively, and the raceway of going up the mould is corresponding with the lug, the raceway of bed die is corresponding with the recess, reached the intraductal water injection back of four raceway on the mould that makes progress, the cooling water can flow in a plurality of cooling tubes, and carry out refrigerated effect to the foundry goods chamber, the effectual cooling effect to the foundry goods that has strengthened.

Drawings

FIG. 1 is an elevational cross-sectional view of a cast sand core structure of the present invention;

FIG. 2 is a top cross-sectional view of a cast sand core structure of the present invention;

FIG. 3 is a cross-sectional view of the upper mold of the cast sand core structure of the present invention;

figure 4 is a cross-sectional view of the lower mold of the cast sand core structure of the present invention.

In the figure: the casting mold comprises an upper mold 1, an upper casting cavity 11, a lug 12, a pouring pipe 2, a lower mold 3, a lower casting cavity 31, a groove 32, a water conveying pipe 4 and a cooling pipe 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides a technical solution:

a cast sand core structure comprises an upper die 1 and a lower die 3, wherein an upper casting cavity 11 is formed in the bottom surface of the upper die 1, and four convex blocks 12 are arranged on the bottom surface of the upper die 1; the top surface of the upper die 1 is communicated with a pouring pipe 2; a lower casting cavity 31 is formed in the top surface of the lower die 3, and four grooves 32 are formed in the top surface of the lower die 3; the four bumps 12 are respectively arranged on the bottom surface of the upper die 1 at positions close to the four corners, the four grooves 32 are respectively arranged on the top surface of the lower die 3 at positions close to the four corners, and the four bumps 12 and the four grooves 32 are correspondingly clamped; four water conveying pipes 4 are respectively arranged on the upper die 1 and the lower die 3; the positions of the four water pipes 4 arranged on the upper die 1 correspond to the positions of the four bumps 12, the positions of the four water pipes 4 arranged on the lower die correspond to the positions of the four grooves 32, and after the four bumps 12 and the four grooves 32 are clamped, the four water pipes 4 arranged on the upper die 1 are communicated with the four water pipes 4 arranged on the lower die 3; a plurality of cooling pipes 5 are respectively arranged inside the upper die 1 and the lower die 3, each cooling pipe 5 is arranged in a shape like a Chinese character 'kou', the plurality of cooling pipes 5 are respectively arranged around the upper casting cavity 11 and the lower casting cavity 31, and the plurality of cooling pipes 5 are respectively arranged inside the upper die 1 and the lower die 3 in a linear array shape; the four corners of each cooling pipe 5 are respectively communicated with four water delivery pipes 4.

The theory of operation, this cast psammitolite structure, when pouring, correspond the joint with four lugs 12 and four recesses 32, pour into last casting chamber 11 and lower casting chamber 31 through pouring pipe 2 in, when cooling, pour into the raceway 4 of mould 1 with the cooling water in, the cooling water then flows into in the raceway 4 of lower mould 3 to in flowing into a plurality of cooling tubes 5 through a plurality of raceways 4, cool off the foundry goods in the casting intracavity.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A cast sand core structure comprises an upper die (1) and a lower die (3), and is characterized in that an upper casting cavity (11) is formed in the bottom surface of the upper die (1), and four convex blocks (12) are arranged on the bottom surface of the upper die (1); a pouring pipe (2) is communicated with the top surface of the upper die (1); a lower casting cavity (31) is formed in the top surface of the lower die (3), and four grooves (32) are formed in the top surface of the lower die (3); four water conveying pipes (4) are respectively arranged on the upper die (1) and the lower die (3); a plurality of cooling pipes (5) are respectively arranged in the upper die (1) and the lower die (3).

2. A foundry core construction according to claim 1, wherein four of said projections (12) are provided on the bottom surface of said upper mold (1) at positions near the four corners, four of said recesses (32) are provided on the top surface of said lower mold (3) at positions near the four corners, and four of said projections (12) and four of said recesses (32) are correspondingly engaged with each other.

3. A cast sand core structure as claimed in claim 1, wherein the upper mould (1) is provided with four water ducts (4) at positions corresponding to the positions of the four projections (12), and the lower mould is provided with four water ducts (4) at positions corresponding to the positions of the four recesses (32).

4. A cast sand core structure as claimed in claim 3, wherein four water pipes (4) provided on the upper mold (1) are communicated with four water pipes (4) provided on the lower mold (3) after the four protrusions (12) and the four recesses (32) are clamped.

5. A cast sand core structure as claimed in claim 1, wherein each cooling tube (5) is arranged in a "mouth" shape, and a plurality of cooling tubes (5) are arranged around the upper casting cavity (11) and the lower casting cavity (31), respectively.

6. A cast sand core structure as claimed in claim 5, wherein a plurality of said cooling pipes (5) are arranged in a linear array inside said upper mold (1) and inside said lower mold (3), respectively.

7. A foundry core construction according to claim 6, characterized in that the four corners of each cooling tube (5) are in communication with four water ducts (4), respectively.