CN218224535U

CN218224535U - Split type precision casting mould of boiler

Info

Publication number: CN218224535U
Application number: CN202222673288.1U
Authority: CN
Inventors: 付明
Original assignee: Chengdu Caster Precision Casting Co ltd
Current assignee: Chengdu Caster Precision Casting Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-01-06
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a split type precision casting mould of boiler, including the bed die, the bed die chamber, the lower bolster, go up mould and last mould chamber, the bed die chamber sets up the inside at the bed die, the lower bolster sets up inside the bed die of bed die chamber top down, it sets up the top at the bed die to go up the mould, it sets up the inside at the last mould to go up the mould chamber, the inside cope match-plate pattern that is provided with of last mould chamber below, the locating plate has all been welded on the top of lower bolster and cope match-plate pattern, the bed die chamber all is provided with cooling structure with the mould inside with last mould on one side down and the bed die of bed die chamber one side down, the inside both sides of going up mould and bed die all are provided with the precision casting mouth, the precision casting mouth communicates with bed die chamber and last mould chamber respectively. The utility model discloses not only adopt split type structure, the casting is convenient, has reduced manufacturing cost, has improved the radiating effect, has improved cooling shaping efficiency, has improved the convenience of drawing of patterns moreover.

Description

Split type precision casting mould of boiler

Technical Field

The utility model relates to a precision casting mould technical field specifically is a split type precision casting mould of boiler.

Background

The precision casting mould is a general name of a process mould for obtaining a size casting, compared with the traditional sand casting process, the size of the casting obtained by precision casting is larger, the surface smoothness is better, the part obtained by the method generally does not need to be machined, the boiler is energy conversion equipment, energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, and the precision casting mould is required to be used when the boiler is processed.

1. The precision casting mold is generally of an integrated structure, and because a boiler has a large volume, integrated casting is difficult, and when defects exist locally, the whole cast part is affected, so that the production cost is increased, and improvement is needed; 2. the heat dissipation efficiency of the precision casting mold is relatively general, and the time for waiting for the cast part to be naturally cooled is longer, so that the processing efficiency is influenced; 3. when the precision casting mold is used for demolding, the mold plate is inconvenient to disassemble, so that the demolding work is not convenient and fast.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a split type precision casting mould of boiler to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a split type die-casting mould of boiler, includes bed die, lower bolster, goes up mould and last mould, the bed die sets up the inside at the bed die down, the lower bolster sets up inside the bed die of bed die top down, it sets up the top at the bed die to go up the mould, it sets up the inside at last mould to go up the mould chamber, the inside cope match-plate pattern that is provided with of last mould below going up the mould, the bed die of bed die and last mould one side and the inside cooling structure that all is provided with of last mould down.

Preferably, the both sides at bed die top and the both sides of going up the mould bottom all are provided with equidistant screw hole, are convenient for carry out bolt positioning.

Preferably, all be fixed with the supporting seat on the outer wall of bed die both sides, just flexible driving piece is installed on the top of supporting seat, and the mould upwards or move down in the drive of being convenient for.

Preferably, the locating plate has all been welded on the top of lower bolster and cope match-plate pattern, just the inside of locating plate all is provided with equidistant through-hole, and the inside of through-hole is provided with the bolt, and the bottom of bolt extends to the inside of screw hole and rather than threaded connection, is convenient for fix lower bolster and cope match-plate pattern.

Preferably, all be fixed with a supporting bench on the outer wall of last mould both sides, the output fixed connection of the bottom of a supporting bench and flexible driving piece is convenient for drive the mould and remove.

Preferably, the two sides of the inner parts of the upper die and the lower die are provided with fine casting mouths which are respectively communicated with the lower die cavity and the upper die cavity, so that the casting liquid is conveniently guided into the lower die cavity and the upper die cavity.

Preferably, the cooling structure is internally provided with a cooling cavity, a heat conducting fin and a liquid guide pipe in sequence, the cooling cavity is arranged in the lower die and the cooling cavity are arranged in the upper die on one side of the lower die cavity and the upper die cavity, and the liquid guide pipe is arranged on both sides of the cooling cavity, so that heat in the lower die cavity and the upper die cavity can be conveniently led out and can exchange heat with cooling liquid.

Preferably, the inner walls of the cooling cavity, which are close to the lower die cavity and one side of the upper die cavity, are respectively fixed with heat-conducting fins at equal intervals, so that the dissipation of heat in the die is accelerated.

Compared with the prior art, the beneficial effects of the utility model are that: the split type precision casting mould for the boiler not only adopts a split type structure, is convenient to cast, reduces the production cost, improves the heat dissipation effect, improves the cooling forming efficiency, but also improves the convenience of demoulding;

(1) The lower die, the lower die cavity, the upper die and the upper die cavity are arranged, and the split structure of the lower die and the upper die is adopted, so that the casting is convenient, when a local flaw exists, the whole cast part cannot be influenced, the production cost is reduced, and the casting operation can be started after the lower die and the upper die are combined;

(2) By arranging the cooling cavity, the heat conducting fins and the liquid guide pipe, cooling liquid is injected into the cooling cavity through the liquid guide pipe, and the heat conducting fins lead out heat inside the lower die cavity and the upper die cavity and exchange heat with the cooling liquid, so that the dissipation of the heat inside the die is accelerated, the casting liquid is rapidly cooled and molded inside the lower die cavity and the upper die cavity, the cooling time is shortened, and the processing efficiency is improved;

(3) Through being provided with the locating plate, the through-hole, the bolt, the screw hole, the supporting seat, flexible driving piece, a supporting bench, start flexible driving piece and make it shift up through a supporting bench drive mould on for go up mould and bed die separation, pull out the bolt from the inside of screw hole, the rethread locating plate is pulled down lower bolster and cope match-plate pattern from the inside of bed die and last mould, can take out the casting of lower die cavity and the inside of last mould cavity, thereby has improved the convenience of drawing of patterns.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the lower mold structure of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

FIG. 4 is a schematic view of the cooling structure of the present invention;

fig. 5 is a schematic top view of the lower mold of the present invention.

In the figure: 1. a lower die; 2. a lower die cavity; 3. a lower template; 4. a supporting seat; 5. a telescopic driving member; 6. an upper die; 7. an upper mold cavity; 8. mounting a template; 9. a support table; 10. a cooling structure; 1001. a cooling chamber; 1002. a heat conductive sheet; 1003. a catheter; 11. fine casting mouth; 12. positioning a plate; 13. a through hole; 14. a bolt; 15. a threaded bore.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a split type precision casting mould of a boiler comprises a lower mould 1, a lower mould cavity 2, a lower template 3, an upper mould 6 and an upper mould cavity 7, wherein the lower mould cavity 2 is arranged inside the lower mould 1;

the lower template 3 is arranged in the lower die 1 above the lower die cavity 2;

the upper die 6 is arranged above the lower die 1;

the upper die cavity 7 is arranged inside the upper die 6;

an upper template 8 is arranged in the upper die 6 below the upper die cavity 7;

the two sides of the top of the lower die 1 and the two sides of the bottom of the upper die 6 are both provided with threaded holes 15 at equal intervals, so that bolts 14 can be conveniently positioned;

positioning plates 12 are welded at the top ends of the lower template 3 and the upper template 8, through holes 13 with equal intervals are formed in the positioning plates 12, bolts 14 are arranged in the through holes 13, and the bottom ends of the bolts 14 extend into the threaded holes 15 and are in threaded connection with the threaded holes 15, so that the lower template 3 and the upper template 8 can be conveniently fixed;

the lower die 1 and the upper die 6 at one side of the lower die cavity 2 and the upper die cavity 7 are internally provided with cooling structures 10;

a cooling cavity 1001, a heat conducting sheet 1002 and a liquid guide pipe 1003 are sequentially arranged in the cooling structure 10, the cooling cavity 1001 is arranged in the lower die 1 and the upper die 6 on one side of the lower die cavity 2 and the upper die cavity 7, and the liquid guide pipe 1003 is arranged on two sides of the cooling cavity 1001;

the inner walls of the cooling cavity 1001 close to one side of the lower die cavity 2 and one side of the upper die cavity 7 are fixed with heat conducting fins 1002 at equal intervals;

inject the coolant liquid into cooling chamber 1001 through catheter 1003, heat conduction piece 1002 with die cavity 2 down and go up the inside heat derivation of die cavity 7 and with the coolant liquid heat transfer for thermal giving off in the mould, make casting liquid cool off the shaping fast in the inside of die cavity 2 and last die cavity 7 down, thereby shortened the cooling time, improved machining efficiency

The outer walls of the two sides of the lower die 1 are both fixed with a supporting seat 4, and the top end of the supporting seat 4 is provided with a telescopic driving piece 5, so that the upper die 6 can be driven to move upwards or downwards conveniently;

the outer walls of the two sides of the upper die 6 are respectively fixed with a supporting table 9, and the bottom end of each supporting table 9 is fixedly connected with the output end of the telescopic driving piece 5, so that the upper die 6 can be driven to move conveniently;

the two sides of the inner parts of the upper die 6 and the lower die 1 are respectively provided with a fine casting port 11, and the fine casting ports 11 are respectively communicated with the lower die cavity 2 and the upper die cavity 7, so that casting liquid is conveniently led into the lower die cavity 2 and the upper die cavity 7.

When the embodiment of the application is used: firstly, this precision casting mould adopts the split type structure of bed die 1 and mould 6, compare in the integration mould, this mould casting is convenient, and when there is the flaw in local, change the foundry goods at flaw place can, can not influence whole cast member, production cost is reduced, after closing the mould with bed die 1 and mould 6, can begin the casting operation, through precision casting mouth 11 toward the inside injection casting liquid of bed die cavity 2 and bed die cavity 7 respectively, then, pour into the cooling liquid into cooling chamber 1001 through drain 1003, heat conduction piece 1002 exports the heat of bed die cavity 2 and the inside of bed die cavity 7 and exchanges heat with the cooling liquid, the diffusion of heat in the mould has been accelerated, make the casting liquid cool off the shaping fast in the inside of bed die cavity 2 and bed die cavity 7, thereby the cooling time has been shortened, machining efficiency is improved, then, start flexible driving piece 5 and make it pass through brace table 9 drive upper mold 6 and shift up, make upper mold 6 and bed die 1 separate, then, bolt 14 is taken out from the inside of screw hole 15, rethread locating plate 12 is from the bed die 3 and the bed die cavity 6 and the interior work of bed die cavity, thereby the convenient completion of the casting of the interior of the bed die cavity can be taken out.

Claims

1. The utility model provides a split type precision casting mould of boiler, its characterized in that includes bed die (1), bed die cavity (2), lower bolster (3), goes up mould (6) and goes up mould cavity (7), bed die cavity (2) set up the inside at bed die (1) down, bed die (3) set up in bed die cavity (2) top down inside bed die (1), it sets up the top at bed die (1) to go up mould (6), it sets up the inside at last mould (6) to go up mould cavity (7), it is provided with cope match-plate pattern (8) to go up mould (6) inside of mould cavity (7) below, bed die cavity (2) and the bed die (1) and the last mould (6) inside of going up mould cavity (7) one side all are provided with cooling structure (10) down.

2. The split type precision casting mold for the boiler according to claim 1, wherein: the two sides of the top of the lower die (1) and the two sides of the bottom of the upper die (6) are provided with threaded holes (15) at equal intervals.

3. The split type precision casting mold for the boiler according to claim 1, wherein: all be fixed with supporting seat (4) on the outer wall of bed die (1) both sides, just flexible driving piece (5) are installed on the top of supporting seat (4).

4. The split type precision casting mold for the boiler according to claim 2, wherein: locating plate (12) have all been welded on the top of lower bolster (3) and cope match-plate pattern (8), just the inside of locating plate (12) all is provided with equidistant through-hole (13), and the inside of through-hole (13) is provided with bolt (14), and the bottom of bolt (14) extends to the inside of screw hole (15) and rather than threaded connection.

5. The split type precision casting mold for the boiler according to claim 3, wherein: go up all being fixed with brace table (9) on the outer wall of mould (6) both sides, the bottom of brace table (9) and the output fixed connection of flexible driving piece (5).

6. The split type precision casting mold for the boiler according to claim 1, wherein: the upper die (6) and the lower die (1) are internally provided with precise casting ports (11) on two sides, and the precise casting ports (11) are respectively communicated with the lower die cavity (2) and the upper die cavity (7).

7. The split type precision casting mold for the boiler according to claim 1, wherein: the cooling structure is characterized in that a cooling cavity (1001), a heat conducting sheet (1002) and a liquid guide pipe (1003) are sequentially arranged in the cooling structure (10), the cooling cavity (1001) is formed in the lower die (1) and the upper die (6) on one side of the lower die cavity (2) and the upper die cavity (7), and the liquid guide pipe (1003) is arranged on two sides of the cooling cavity (1001).

8. The split type precision casting mold for the boiler according to claim 7, wherein: and heat-conducting fins (1002) with equal intervals are fixed on the inner walls of the cooling cavity (1001) close to one side of the lower die cavity (2) and one side of the upper die cavity (7).