CN215786577U - Sand core ventilation cooling structure - Google Patents
Sand core ventilation cooling structure Download PDFInfo
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- CN215786577U CN215786577U CN202022793694.2U CN202022793694U CN215786577U CN 215786577 U CN215786577 U CN 215786577U CN 202022793694 U CN202022793694 U CN 202022793694U CN 215786577 U CN215786577 U CN 215786577U
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Abstract
The utility model relates to the technical field of sand cores, and discloses a sand core ventilation and cooling structure which comprises a bottom box casting mold, wherein a sand core body is placed in an inner cavity of the bottom box casting mold, a steel pipe body is fixedly sleeved in the inner cavity of the sand core body, a ventilation opening is formed in the outer side of the steel pipe body, a cover box casting mold is placed at the top of the bottom box casting mold, a liquid inlet is formed in the top of the cover box casting mold, and mounting grooves are formed in two sides of the bottom box casting mold. According to the sand core ventilation cooling structure and the manufacturing method thereof, the air inlet pipe, the exhaust pipe, the steel pipe body and the ventilation opening are arranged between the bottom box casting mold and the sand core body, the air inlet pipe is connected with a cold air pipeline in a workshop to form a ventilation cooling channel at the bottom of the sand core body, cold air is opened after casting, the cold air enters the steel pipe body in the sand core body through the air inlet pipe, and the casting mold is discharged from the exhaust pipe after the cold air is heated, so that the ventilation cooling effect at the bottom of the sand core body is realized.
Description
Technical Field
The utility model relates to the technical field of sand cores, in particular to a sand core ventilation cooling structure.
Background
When the casting is produced, the sand core is arranged in the casting, the heat dissipation condition is poor, the sand core is in contact with the sand core, the casting solidification time is long, the large casting is produced particularly, the casting is large in wall thickness, slow in cooling and long in solidification time, the sand core position is easy to have a loosening defect, and in order to improve the sand core cooling condition, the sand core of the large casting is cooled by cold air, and the traditional method is as follows: embedding a steel pipe in the sand core, wherein the steel pipe is opened at the top of the sand core and protrudes out of the top of the sand core; during sand core assembly, an air inlet pipe is inserted into the top of a sand core and connected with cold air, the cold air is opened after casting, the cold air enters a steel pipe from the top of the sand core, after the cold air is heated, a casting mold is discharged from the top of the steel pipe, the ventilation and cooling effects of the sand core are realized, for the conventional sand core with a core head, the ventilation and cooling effects of the sand core can be realized by adopting the traditional method, but for the sand core without the core head, the traditional method cannot be used, and the ventilation and cooling effects of the sand core cannot be realized.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a sand core ventilation cooling structure and a manufacturing method thereof, which have the advantage of realizing the ventilation cooling effect of the bottom of a sand core and solve the problems in the background technology.
(II) technical scheme
The utility model provides the following technical scheme: the utility model provides a psammitolite ventilation cooling structure, includes the end box casting mould, the psammitolite body has been placed to the inner chamber of end box casting mould, the steel pipe body has been cup jointed to the inner chamber of psammitolite body is fixed, the vent has been seted up to the outside of steel pipe body, the lid case casting mould has been placed at the top of end box casting mould, the inlet has been seted up at the top of lid case casting mould, the mounting groove has all been seted up to the both sides of end box casting mould bottom, two the inner chamber of mounting groove is fixed the cup joint respectively has intake pipe and blast pipe.
Carefully, a limiting groove is formed in the lower portion of the inner cavity of the bottom box casting mold, a clamping groove is formed in the outer side of the lower portion of the sand core body, a telescopic rod is fixedly mounted on one side of the inner cavity of the limiting groove, a clamping block is fixedly mounted on one side of the telescopic rod, a spring is movably sleeved on the outer side of the telescopic rod, and two ends of the spring are fixedly mounted on one side of the inner cavity of the limiting groove and one side of the clamping block respectively.
Carefully selecting, the number of the telescopic rods, the clamping blocks and the springs is four, and the four telescopic rods, the four clamping blocks and the four springs are uniformly distributed on the outer side of the sand core body.
And carefully selecting, wherein the whole clamping block is in a semicircular shape, and the spring is positioned in the inner cavity of the clamping groove in a free state.
Carefully selecting, the standing groove has been seted up to the bottom of bottom case casting mold inner chamber, the inner chamber activity of standing groove has cup jointed the sealing washer.
Carefully selecting, the top of the steel pipe body is sealed, the bottom of the steel pipe body is open, and the bottom of the steel pipe body is flush with the bottom of the sand core body.
And carefully selecting, wherein one ends of the air inlet pipe and the air outlet pipe are opened on the side surface of the bottom box casting mold, and the other ends of the air inlet pipe and the air outlet pipe are opened at the corresponding positions at the bottom of the sand core body.
A manufacturing method of a sand core ventilation cooling structure comprises the following manufacturing steps:
s1, preparing a steel pipe body
Manufacturing a steel pipe body inside the sand core body according to the size of the sand core body, opening an air port on the steel pipe body, sealing the top of the steel pipe body, opening the bottom of the steel pipe body, making the top of the steel pipe body lower than the top of the sand core body, and manufacturing an air inlet pipe and an exhaust pipe by using a small steel pipe according to the size of a bottom box casting mold;
s2, manufacturing of sand core body
Embedding a steel pipe body in the sand core body, wherein an opening of the steel pipe body is formed in the bottom of the sand core body, the steel pipe body is flush with the bottom of the sand core body, and then resin sand is filled, compacted and cured;
s3, making a bottom box casting mold
Pre-burying an air inlet pipe and an exhaust pipe in the bottom box casting mold, wherein one end of the air inlet pipe and one end of the exhaust pipe are opened on the side surface of the bottom box casting mold, the other end of the air inlet pipe and the other end of the exhaust pipe are opened at the corresponding position of the bottom of the sand core body, and then filling resin sand, compacting and curing;
s4, preparation for assembly
Manufacturing a cover box casting mold, and placing a sealing ring in a gap between the sand core body and the bottom box casting mold;
s5, assembling sand core body and bottom box casting mold
Assembling the sand core body on a bottom box casting mold to form a ventilation cooling channel at the bottom of the sand core body, and pressing a sealing ring between the sand core body and the bottom box casting mold into a sealing ring;
s6 casting mould with assembled cover box
Completing assembling of a cover box casting mold to form a complete casting mold cavity;
s7, melting the molten iron and then pouring the molten iron;
s8, ventilating and cooling
After pouring, opening cold air, allowing the cold air to enter the steel pipe body in the sand core body through the air inlet pipe, and discharging the cold air out of the casting mold through the exhaust pipe after the cold air is heated, so that the ventilation and cooling effects at the bottom of the sand core body are realized;
and S9, opening the casting.
(III) advantageous effects
The utility model has the following beneficial effects:
1. according to the sand core ventilation cooling structure and the manufacturing method thereof, the air inlet pipe, the exhaust pipe, the steel pipe body and the ventilation opening are arranged between the bottom box casting mold and the sand core body, the air inlet pipe is connected with a cold air pipeline in a workshop to form a ventilation cooling channel at the bottom of the sand core body, cold air is opened after casting, the cold air enters the steel pipe body in the sand core body through the air inlet pipe, and the casting mold is discharged from the exhaust pipe after the cold air is heated, so that the ventilation cooling effect at the bottom of the sand core body is realized.
2. According to the sand core ventilation cooling structure and the manufacturing method thereof, the lower part of the inner cavity of the bottom box casting mold is connected with the spring through the telescopic rod, the clamping block, so that the sand core body is conveniently clamped at the bottom of the inner cavity of the bottom box casting mold, the bottom box casting mold is conveniently connected with the sand core body, and the connection stability between the bottom box casting mold and the sand core body is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional perspective view of a bottom box mold according to the present invention;
FIG. 3 is a schematic view of the explosion structure between the sand core and the steel tube of the present invention;
FIG. 4 is a schematic view of a three-dimensional structure of the sand core of the present invention;
fig. 5 is a schematic view of an explosion structure between the telescopic rod and the limiting groove.
In the figure: 1. bottom box casting; 2. a sand core body; 3. a steel pipe body; 4. a vent; 5. a seal ring; 6. covering a box casting mold; 7. a liquid inlet; 8. an air inlet pipe; 9. a limiting groove; 10. a card slot; 11. a telescopic rod; 12. a clamping block; 13. a spring; 14. mounting grooves; 15. a placement groove; 16. and (4) exhausting the gas.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a sand core ventilation cooling structure comprises a bottom box casting 1, a limiting groove 9 is arranged at the lower part of an inner cavity of the bottom box casting 1, a clamping groove 10 is arranged at the outer side of the lower part of a sand core body 2, a telescopic rod 11 is fixedly arranged at one side of the inner cavity of the limiting groove 9, a clamping block 12 is fixedly arranged at one side of the telescopic rod 11, a spring 13 is movably sleeved at the outer side of the telescopic rod 11, two ends of the spring 13 are respectively and fixedly arranged at one side of the inner cavity of the limiting groove 9 and one side of the clamping block 12, the sand core body 2 is conveniently clamped at the bottom of the inner cavity of the bottom box casting 1 through the lower part of the inner cavity of the bottom box casting 1 through the telescopic rod 11, the clamping block 12 and the spring 13, the bottom box casting 1 and the sand core body 2 are conveniently connected, the connection stability between the bottom box casting 1 and the sand core body 2 is improved, the number of the telescopic rod 11, the clamping block 12 and the spring 13 is four, four telescopic rods 11, four clamping blocks 12 and four springs 13 are uniformly distributed on the outer side of the sand core body 2, the four telescopic rods 11, the four clamping blocks 12 and the four springs 13 are uniformly distributed on the outer side of the sand core body 2, so that the four parts of the lower part of the sand core body 2 are conveniently clamped in the inner cavity of the bottom box casting mold 1, the whole clamping block 12 is in a semicircular shape, the clamping block 12 is positioned in the inner cavity of the clamping groove 10 under the free state of the springs 13, the clamping block 12 is conveniently moved into and out of the inner cavity of the clamping groove 10 through the semicircular shape of the whole clamping block 12, the clamping block 12 is positioned in the inner cavity of the clamping groove 10 under the free state of the springs 13, so that the position of the sand core body 2 is conveniently limited by the clamping block 12, a placing groove 15 is formed in the bottom of the inner cavity of the bottom box casting mold 1, a sealing ring 5 is movably sleeved in the inner cavity of the placing groove 15, and connected with the sealing ring 5 through the bottom of the bottom box casting mold 1, prevent cold air from entering the casting, the inner cavity of the bottom box casting mold 1 is provided with a sand core body 2, the inner cavity of the sand core body 2 is fixedly sleeved with a steel pipe body 3, the top of the steel pipe body 3 is sealed, the bottom of the steel pipe body 3 is open, the bottom of the steel pipe body 3 is flush with the bottom of the sand core body 2, through the top seal of the steel pipe body 3, sand cannot fall into the steel pipe body 3 during core making, and can support the weight of the upper part of the sand core body 2, the bottom of the steel pipe body 3 is open, the steel pipe body 3 is flush with the bottom of the sand core body 2, the steel pipe body 3 does not protrude out of the sand core body 2, so that the sand core body 2 is convenient to store, the outer side of the steel pipe body 3 is provided with a vent 4, the top of the bottom box casting mold 1 is provided with a cover box casting mold 6, the top of the cover box casting mold 6 is provided with a liquid inlet 7, two sides of the bottom box casting mold 1 are provided with mounting grooves 14, the inner cavities of the two mounting grooves 14 are respectively and fixedly sleeved with an air inlet pipe 8 and an exhaust pipe 16, one end opening of intake pipe 8 and blast pipe 16 is in the side of bottom box casting mould 1, another end opening of intake pipe 8 and blast pipe 16 is in the position that the 2 bottoms of psammitolite body correspond, be equipped with intake pipe 8 between bottom box casting mould 1 and the sand core body 2, the blast pipe 16, steel pipe body 3 and vent 4, be connected intake pipe 8 with the cold air duct in workshop, form the ventilation cooling channel of 2 bottoms of psammitolite body, open cold wind after the foundry goods is poured, cold wind gets into steel pipe body 3 in the psammitolite body 2 through intake pipe 8, after the cold wind is heated, the casting mould is discharged by blast pipe 16 again, realize the ventilation cooling effect of 2 bottoms of psammitolite body.
A manufacturing method of a sand core ventilation cooling structure comprises the following manufacturing steps:
s1, preparing the Steel pipe body 3
Manufacturing a steel pipe body 3 inside the sand core body 2 according to the size of the sand core body 2, opening an air port 4 on the steel pipe body 3, sealing the top of the steel pipe body 3, opening the bottom of the steel pipe body 3, making the top of the steel pipe body 3 lower than the top of the sand core body 2, and manufacturing an air inlet pipe 8 and an air outlet pipe 16 by using small steel pipes according to the size of a bottom box casting mould 1;
s2, manufacturing of sand core body 2
Embedding a steel pipe body 3 in the sand core body 2, wherein the opening of the steel pipe body 3 is formed in the bottom of the sand core body 2, the steel pipe body 3 is flush with the bottom of the sand core body 2, and then resin sand is filled, compacted and cured;
s3, making a bottom box casting mold 1
An air inlet pipe 8 and an exhaust pipe 16 are pre-buried in the bottom box casting mold 1, one end of the air inlet pipe 8 and one end of the exhaust pipe 16 are opened on the side surface of the bottom box casting mold 1, the other end of the air inlet pipe 8 and the other end of the exhaust pipe 16 are opened at the corresponding position of the bottom of the sand core body 2, and then resin sand is filled, compacted and cured;
s4, preparation for assembly
Manufacturing a cover box casting mold 6 casting mold, and placing a sealing ring 5 in a gap between the sand core body 2 and the bottom box casting mold 1 casting mold;
s5, assembling sand core body 2 and bottom box casting mould 1
Assembling the sand core body 2 on the bottom box casting mold 1 to form a ventilation cooling channel at the bottom of the sand core body 2, and pressing a sealing ring 5 between the sand core body 2 and the bottom box casting mold 1 into a sealing ring;
s6, assembling cover box casting mould 6
The cover box casting 6 is assembled to form a complete casting mold cavity;
s7, melting the molten iron and then pouring the molten iron;
s8, ventilating and cooling
After pouring, opening cold air, allowing the cold air to enter the steel pipe body 3 in the sand core body 2 through the air inlet pipe 8, and discharging the cold air out of the casting mold through the exhaust pipe 16 after the cold air is heated, so that the ventilation and cooling effects at the bottom of the sand core body 2 are realized;
and S9, opening the casting.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a psammitolite ventilation cooling structure, includes bottom case casting mould (1), its characterized in that: the sand core body (2) is placed in the inner cavity of the bottom box casting mold (1), the steel pipe body (3) is fixedly sleeved in the inner cavity of the sand core body (2), the ventilation opening (4) is formed in the outer side of the steel pipe body (3), the cover box casting mold (6) is placed at the top of the bottom box casting mold (1), the liquid inlet (7) is formed in the top of the cover box casting mold (6), the mounting grooves (14) are formed in the two sides of the bottom box casting mold (1), and the air inlet pipe (8) and the exhaust pipe (16) are respectively fixedly sleeved in the inner cavity of the mounting groove (14).
2. The sand core ventilation cooling structure of claim 1, wherein: spacing groove (9) have been seted up to the lower part of bottom case casting mould (1) inner chamber, draw-in groove (10) have been seted up in the outside of psammitolite body (2) lower part, one side fixed mounting of spacing groove (9) inner chamber has telescopic link (11), one side fixed mounting of telescopic link (11) has fixture block (12), spring (13) have been cup jointed in the outside activity of telescopic link (11), the both ends of spring (13) are fixed mounting respectively on one side of spacing groove (9) inner chamber and one side of fixture block (12).
3. The sand core ventilation cooling structure of claim 2, wherein: the number of the telescopic rods (11), the number of the fixture blocks (12) and the number of the springs (13) are four, and the four telescopic rods (11), the four fixture blocks (12) and the four springs (13) are uniformly distributed on the outer side of the sand core body (2).
4. The sand core ventilation cooling structure of claim 2, wherein: the whole clamping block (12) is in a semicircular shape, and the clamping block (12) is located in the inner cavity of the clamping groove (10) when the spring (13) is in a free state.
5. The sand core ventilation cooling structure of claim 1, wherein: the bottom of the inner cavity of the bottom box casting mold (1) is provided with a placing groove (15), and the inner cavity of the placing groove (15) is movably sleeved with a sealing ring (5).
6. The sand core ventilation cooling structure of claim 1, wherein: the top of the steel pipe body (3) is sealed, the bottom of the steel pipe body (3) is open, and the bottom of the steel pipe body (3) is flush with the bottom of the sand core body (2).
7. The sand core ventilation cooling structure of claim 1, wherein: one end of the air inlet pipe (8) and one end of the exhaust pipe (16) are opened on the side surface of the bottom box casting mold (1), and the other end of the air inlet pipe (8) and the other end of the exhaust pipe (16) are opened at the corresponding positions of the bottom of the sand core body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022793694.2U CN215786577U (en) | 2020-11-27 | 2020-11-27 | Sand core ventilation cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022793694.2U CN215786577U (en) | 2020-11-27 | 2020-11-27 | Sand core ventilation cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215786577U true CN215786577U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022793694.2U Active CN215786577U (en) | 2020-11-27 | 2020-11-27 | Sand core ventilation cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215786577U (en) |
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2020
- 2020-11-27 CN CN202022793694.2U patent/CN215786577U/en active Active
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