CN221388837U - Aluminum alloy casting mold easy to demolding - Google Patents

Abstract

The utility model provides an aluminum alloy casting mold easy to demould, which comprises a movable mold set, a fixed mold set and a spraying device positioned between the movable mold set and the fixed mold set, wherein the movable mold set comprises a movable mold base, a movable mold plate and a mold core which are sequentially arranged from top to bottom, a sprue bush is arranged on the movable mold base, and a runner penetrating through the movable mold plate and the mold core is communicated with the sprue bush; the fixed die set comprises a cavity, a fixed die plate and a fixed die seat which are sequentially arranged from top to bottom, wherein the cavity comprises a bottom plate and side plates uniformly distributed on the periphery of the bottom plate, the side plates can be driven by the drawing unit to be away from the bottom plate along the horizontal direction, and the bottom plate can be driven by the pushing unit to be lifted upwards. The drawing unit can drive the side plate to be far away from the casting, so that the lateral demolding of the casting is completed, the pushing unit can push the top plate, so that the bottom plate is pushed out, the casting is pushed out of the cavity, the problem that the casting is difficult to demold after casting is completed is effectively solved, and the production efficiency of the casting is improved.

Description

Aluminum alloy casting mold easy to demolding

Technical Field

The utility model relates to the technical field of metal casting molds, in particular to an aluminum alloy casting mold easy to demould.

Background

The aluminum alloy casting is a process of injecting liquid aluminum alloy between a core and a cavity of a mold and rapidly solidifying and forming a metal casting under the action of pressure, and castings with complex shapes, clear contours, thin-wall deep cavities and the like can be produced through the casting mold.

Disclosure of utility model

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide an aluminum alloy casting mold that is easy to mold, for solving the problem that in the prior art, a casting is difficult to mold after aluminum alloy casting is completed.

To achieve the above and other related objects, the present utility model provides the following technical solutions:

The utility model provides an easy drawing of patterns's aluminum alloy casting mould, includes movable mould group, fixed mould group, is located movable mould group with spraying device between the fixed mould group, the movable mould group includes movable mould base, movable mould board, the core that from top to bottom set gradually, be equipped with the runner cover on the movable mould base, the runner is sheathe in to communicate has the runner that runs through movable mould board and core; the fixed die set comprises a die cavity, a fixed die plate and a fixed die seat which are sequentially arranged from top to bottom, the die cavity comprises a bottom plate and side plates uniformly distributed on the periphery of the bottom plate, the side plates can be driven by the drawing unit to be away from the bottom plate along the horizontal direction, and the bottom plate can be lifted upwards under the driving of the pushing unit.

According to the technical scheme, after the casting is taken out, the spraying device can spray the mold release agent on the core and the cavity of the mold, the mold release of the subsequent casting is facilitated, the temperature reduction and cooling are performed on the core and the cavity, after the spraying is finished, the spraying device is away from the core or the cavity, the mold is clamped with the cavity, aluminum alloy liquid in a molten state enters from the sprue bush and flows through the runner to enter between the core and the cavity, the casting is formed through pressure maintaining and cooling, the drawing unit drives the side plate to be away from the casting after the casting is formed, and the pushing unit ejects the casting, so that the mold release of the casting is finished.

In an embodiment of the present utility model, the spraying device includes a spraying box located between the core and the cavity, nozzles disposed at upper and lower ends of the spraying box, and a spraying driving unit driving the spraying box to horizontally move.

The technical scheme is achieved that the upper end and the lower end of the spraying box are both provided with a plurality of nozzles, the spraying box is provided with a liquid inlet for enabling a release agent to enter the spraying box, the release agent in the spraying box is evenly sprayed out through the nozzles, simultaneous spraying of the mold core and the mold cavity is achieved, demolding of castings is facilitated, meanwhile follow-up metal liquid flow filling is guaranteed to be smooth, and the mold core and the mold cavity are enabled not to be overheated due to rapid cooling.

In an embodiment of the utility model, the drawing unit includes a sliding rail disposed at a lower end of the side plate, and an air cylinder driving the side plate to move along the sliding rail.

According to the technical scheme, two, three or four side plates can be arranged, one drawing unit is correspondingly arranged on each side plate, the bottom ends of the side plates can be connected with the bottom plate in a clamping mode, stability of the die in the die assembly process is improved, and the air cylinders can drive the side plates to be far away from the castings along the sliding rails, so that lateral demolding of the castings is completed.

In an embodiment of the utility model, the pushing unit includes a top rod that can be embedded in the lower end of the bottom plate and penetrates through the fixed die plate and the fixed die seat, a top plate disposed at the lower end of the top rod, and a hydraulic cylinder that drives the top plate to lift upwards.

According to the technical scheme, the ejector rods can be arranged in a plurality according to the requirement, the ejector rods are uniformly distributed in the circumferential direction of the bottom plate, the hydraulic cylinder can drive the top plate and drive the ejector rods to lift up, so that castings on the bottom plate are ejected out of the cavity, and the castings can be conveniently and smoothly demoulded.

In an embodiment of the present utility model, the spraying driving unit includes two guide rails symmetrically disposed at two sides of the cavity, a sliding plate slidably disposed on the guide rails, a motor driving the sliding plate to move along the guide rails, and a connecting rod connecting the two sliding plates, and the spraying box is disposed on the connecting rod.

According to the technical scheme, the motor can drive the sliding plate to move along the guide rail, and because the spraying box is arranged on the connecting rod, when spraying is needed, the motor can drive the spraying box to be positioned between the core and the cavity, and when the mold is needed to be closed, the motor can drive the spraying box to be far away from the core or the cavity to provide a die with a die casting space.

As described above, the aluminum alloy casting mold easy to demold has the following beneficial effects: according to the utility model, the spraying driving unit can drive the spraying box to be positioned between the core and the cavity, the nozzle on the spraying box can spray the release agent on the core and the cavity simultaneously, so that the follow-up demolding of castings is facilitated, meanwhile, the cooling effect on the core and the cavity can be achieved, after the spraying is finished, the spraying driving unit can drive the spraying box to be far away from the core and the cavity, an avoidance space is provided for mold closing, the drawing unit can drive the side plate to be far away from the castings when casting is finished, so that the lateral demolding of the castings is finished, the pushing unit can push the top plate, so that the bottom plate is pushed out, the problem that the castings are difficult to demold after casting is finished is effectively solved, and the production efficiency of the castings is improved.

Drawings

Fig. 1 shows a cross-sectional view of the present utility model.

Description of element reference numerals

1. A movable die holder; 2. a movable template; 3. a core; 4. a sprue bush; 5. a flow passage; 6. a cavity; 7. a stationary mold plate; 8. a fixed die holder; 9. a bottom plate; 10. a side plate; 11. a spray box; 12. a nozzle; 13. a slide rail; 14. a cylinder; 15. a push rod; 16. a top plate; 17. a hydraulic cylinder; 18. a guide rail; 19. a slide plate; 20. a motor; 21. and a connecting rod.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.

Referring to fig. 1, the utility model provides an aluminum alloy casting mold easy to demolding, which comprises a movable mold set, a fixed mold set and a spraying device positioned between the movable mold set and the fixed mold set, wherein the movable mold set comprises a movable mold base 1, a movable mold plate 2 and a mold core 3 which are sequentially arranged from top to bottom, a sprue bush 4 is arranged on the movable mold base 1, and a runner 5 penetrating through the movable mold plate 2 and the mold core 3 is communicated with the sprue bush 4; the fixed die set comprises a die cavity 6, a fixed die plate 7 and a fixed die holder 8 which are sequentially arranged from top to bottom, the die cavity 6 comprises a bottom plate 9 and side plates 10 which are uniformly distributed on the periphery of the bottom plate 9, the side plates 10 can be driven by the drawing unit to be away from the bottom plate 9 along the horizontal direction, and the bottom plate 9 can be lifted upwards under the driving of the pushing unit.

According to the application, after a casting is taken out, the spraying device can spray a release agent on the core 3 and the cavity 6 of the die, so that the subsequent casting is convenient to release, the cooling and cooling are performed on the core 3 and the cavity 6, after the spraying is finished, the spraying device is far away from the core 3 or the cavity 6, the core 3 and the cavity 6 are first clamped, aluminum alloy liquid in a molten state enters from the sprue bush 4 and flows through the runner 5 to enter between the core 3 and the cavity 6, the casting is formed through pressure maintaining cooling, the drawing unit drives the side plate 10 to be far away from the casting after the casting is formed, and the pushing unit ejects the casting, so that the casting release is finished.

The spraying device comprises a spraying box 11 positioned between the core 3 and the cavity 6, nozzles 12 arranged at the upper end and the lower end of the spraying box 11, and a spraying driving unit for driving the spraying box 11 to horizontally move. The upper and lower both ends of spraying box 11 all are equipped with a plurality of nozzle 12, and be equipped with on the spraying box 11 be used for getting into release agent the inlet of spraying box 11, release agent in the spraying box 11 passes through nozzle 12 and evenly spouts, accomplishes the simultaneous spraying to core 3 and die cavity 6, and the drawing of patterns of foundry goods of being convenient for can ensure simultaneously that follow-up metal liquid stream fills smoothly for core 3 and die cavity 6 rapid cooling can not overheated.

The drawing unit comprises a sliding rail 13 arranged at the lower end of the side plate 10 and an air cylinder 14 for driving the side plate 10 to move along the sliding rail 13. The number of the side plates 10 in the application can be two, three or four, each side plate 10 is correspondingly provided with a drawing unit, the bottom ends of the side plates 10 can be clamped with the bottom plate 9, the stability of the die in the die assembly process is improved, and the air cylinders 14 can drive the side plates 10 to be far away from the castings along the sliding rails 13, so that the lateral demolding of the castings is completed.

The pushing unit comprises a top rod 15 which can be embedded into the lower end of the bottom plate 9 and penetrates through the fixed die plate 7 and the fixed die seat 8, a top plate 16 arranged at the lower end of the top rod 15, and a hydraulic cylinder 17 for driving the top plate 16 to lift upwards. The ejector rods 15 can be arranged in a plurality according to the requirement, the ejector rods 15 are uniformly distributed in the circumferential direction of the bottom plate 9, the hydraulic cylinder 17 can drive the top plate 16 and drive the ejector rods 15 to lift upwards, so that a casting on the bottom plate 9 is ejected out of the cavity 6, and the casting can be conveniently and smoothly demoulded.

The spraying driving unit comprises two guide rails 18 symmetrically arranged on two sides of the cavity 6, sliding plates 19 arranged on the guide rails 18 in a sliding manner, a motor 20 driving the sliding plates 19 to move along the guide rails 18, and a connecting rod 21 connecting the two sliding plates 19, wherein the spraying box 11 is arranged on the connecting rod 21.

The motor 20 can drive the sliding plate 19 to move along the guide rail 18, and because the spraying box 11 is arranged on the connecting rod 21, the motor 20 can drive the spraying box 11 to be positioned between the core 3 and the cavity 6 when spraying is needed, and the motor 20 can drive the spraying box 11 to be far away from the core 3 or the cavity 6 to provide a die casting space for a die when die assembly is needed.

According to the application, the spraying driving unit can drive the spraying box 11 to be positioned between the core 3 and the cavity 6, the nozzle 12 on the spraying box 11 can spray the release agent on the core 3 and the cavity 6 at the same time, so that the subsequent casting can be conveniently released, the cooling effect on the core 3 and the cavity 6 can be achieved, after the spraying is finished, the spraying driving unit can drive the spraying box 11 to be far away from the core 3 and the cavity 6, an avoidance space is provided for mold closing, the drawing unit can drive the side plate 10 to be far away from the casting when casting is finished, thus the lateral casting of the casting is finished, the pushing unit can push the top plate 16, thus the bottom plate 9 is pushed out, the casting is pushed out from the cavity 6, the problem that the casting is difficult to be released after casting is finished is effectively solved, and the production efficiency of the casting is improved.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. It is intended that all equivalent modifications and variations of the utility model be covered by the claims of this utility model be accomplished by those of ordinary skill in the art without departing from the spirit and scope of the utility model as disclosed herein.

Claims (5)

1. The utility model provides an easy drawing of patterns's aluminum alloy casting mould, includes movable mould group, fixed mould group, is located movable mould group with spraying device between the fixed mould group, its characterized in that: the movable die set comprises a movable die holder (1), a movable die plate (2) and a core (3) which are sequentially arranged from top to bottom, a sprue bush (4) is arranged on the movable die holder (1), and a runner (5) penetrating through the movable die plate (2) and the core (3) is communicated with the sprue bush (4);

The fixed die set comprises a die cavity (6), a fixed die plate (7) and a fixed die seat (8) which are sequentially arranged from top to bottom, the die cavity (6) comprises a bottom plate (9), side plates (10) which are uniformly distributed on the periphery of the bottom plate (9), the side plates (10) can be driven by the drawing unit to be away from the bottom plate (9) along the horizontal direction, and the bottom plate (9) can be lifted upwards under the driving of the pushing unit.

2. An aluminum alloy casting mold easy to release according to claim 1, wherein: the spraying device comprises a spraying box (11) arranged between the core (3) and the cavity (6), nozzles (12) arranged at the upper end and the lower end of the spraying box (11), and a spraying driving unit for driving the spraying box (11) to horizontally move.

3. An aluminum alloy casting mold easy to release according to claim 1, wherein: the drawing unit comprises a sliding rail (13) arranged at the lower end of the side plate (10) and an air cylinder (14) for driving the side plate (10) to move along the sliding rail (13).

4. An aluminum alloy casting mold easy to release according to claim 1, wherein: the pushing unit comprises a push rod (15) which can be embedded into the lower end of the bottom plate (9) and penetrates through the fixed die plate (7) and the fixed die seat (8), a top plate (16) arranged at the lower end of the push rod (15), and a hydraulic cylinder (17) for driving the top plate (16) to lift upwards.

5. An aluminum alloy casting mold easy to release according to claim 2, wherein: the spraying driving unit comprises two guide rails (18) symmetrically arranged on two sides of the cavity (6), a sliding plate (19) arranged on the guide rails (18) in a sliding mode, a motor (20) driving the sliding plate (19) to move along the guide rails (18), and a connecting rod (21) connected with the two sliding plates (19), and the spraying box (11) is arranged on the connecting rod (21).