CN222113477U - Aluminum master alloy casting mold - Google Patents

Abstract

The utility model discloses an aluminum intermediate alloy casting die which comprises a bottom plate and a top plate, wherein the bottom plate is connected with the top plate through a guide rod, a first electric cylinder is arranged at the top of the top plate, one end of the first electric cylinder is fixedly connected with a driving plate, a lower die holder is arranged on the upper end face of the bottom plate, an upper die holder is arranged on the lower end face of the driving plate, an air pump assembly is arranged on the top plate, the air pump assembly is connected with the upper die holder through an air suction hose, an electric heating tube is arranged in the lower die holder, and a demoulding mechanism is arranged at the bottom of the bottom plate.

Description

Aluminum intermediate alloy casting die

Technical Field

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

Background

The casting mould is to make the structural shape of the part by using other materials which are easy to mold in advance, then put the mould into a sand mould, so that a cavity with the same structural size as the part is formed in the sand mould, then the liquid with fluidity is poured into the cavity, the liquid can be cooled and solidified to form the part with the same structural shape as the mould, the casting mould is an important ring in the casting process, and in general, the aluminum intermediate alloy casting is to cast an aluminum intermediate alloy ingot and then provide the aluminum intermediate alloy ingot for users.

The prior casting mold has insufficient initial temperature, and the molten aluminum intermediate alloy can be cooled too fast when being injected into the mold, so that the surface of the casting is easy to be uneven;

When the molten aluminum intermediate alloy is injected into a die, the fluidity of the molten aluminum intermediate alloy is poor, and the compactness of a casting is required to be improved;

The existing casting mould is inconvenient to demould the casting after the casting is formed.

Disclosure of utility model

The utility model aims to provide an aluminum intermediate alloy casting die for solving the problems in the background art.

In order to achieve the purpose, the technical scheme is that the aluminum intermediate alloy casting die comprises a bottom plate and a top plate, wherein the bottom plate is connected with the top plate through a guide rod, a first electric cylinder is installed at the top of the top plate, one end of the first electric cylinder is fixedly connected with a driving plate, the upper end face of the bottom plate is provided with a lower die holder, the lower end face of the driving plate is provided with an upper die holder, an air pump assembly is arranged on the top plate, the air pump assembly is connected with the upper die holder through an air pumping hose, an electric heating tube is arranged in the lower die holder, and a demoulding mechanism is arranged at the bottom of the bottom plate.

The lower die holder comprises a lower forming cavity, and the upper die holder comprises an upper forming cavity.

The demolding mechanism comprises a second electric cylinder, one end of the second electric cylinder is fixedly connected with a demolding plate, and three groups of demolding rods are arranged on the demolding plate.

The top ends of the three groups of demolding rods are of inverted trapezoid structures, and the demolding rods penetrate through the bottom plate and the lower die holder.

Wherein, be provided with the runner on the drive plate.

Wherein, the gate communicates with the upper molding cavity.

The guide rods are provided with four groups, the four groups of guide rods are respectively located at corners of the bottom plate, and the driving plate is in sliding connection with the guide rods.

Wherein, both sides of bottom plate lower extreme are all welded fastening has the mount pad, set up the mounting hole on the mount pad.

Compared with the prior art, the utility model has the beneficial effects that:

1. The die is preheated by the electric heating tube, the preheated die has a certain initial temperature, the phenomenon of excessively fast cooling of the molten aluminum intermediate alloy during injection into the die is prevented, and the fluidity of the molten material is improved, so that the flatness of the surface of the casting is improved.

2. When the molten material is injected into the mould, the air pump component works, and air in the forming cavity is pumped through the air pumping hose, so that certain negative pressure is generated in the forming cavity, and the fluidity of the molten aluminum intermediate alloy is improved by virtue of the negative pressure, so that the joint between the molten material and the inner wall of the forming cavity is smoother, and the compactness of a casting is improved.

3. After the die is opened, the die is automatically removed by the die removing mechanism, so that the die is convenient to remove, and manual operation is not needed.

Drawings

FIG. 1 is a front top plan perspective view of the present utility model;

FIG. 2 is a rear top plan perspective view of the present utility model;

FIG. 3 is a front bottom perspective view of the present utility model;

FIG. 4 is a front view of the present utility model;

fig. 5 is a schematic view of the construction of the ejector pin of the present utility model.

The drawing shows that the drawing comprises a bottom plate 1, a guide rod 2, a top plate 3, a first electric cylinder 4, a driving plate 5, a lower die holder 6, a 7, an upper die holder 8, an air pump assembly 9, an air exhaust hose 10, an electric heating pipe 11, a demoulding mechanism 12, a lower forming cavity 13, an upper forming cavity 14, a second electric cylinder 15, a demoulding plate 16, a demoulding rod 17, a gate 18 and a mounting seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model provides a technical scheme that an aluminum intermediate alloy casting mold comprises a bottom plate 1 and a top plate 3, wherein the bottom plate 1 and the top plate 3 are connected through a guide rod 2, the guide rod 2 plays a role in guiding, a first electric cylinder 4 is installed at the top of the top plate 3, the first electric cylinder 4 comprises an electric push rod, one end of the first electric cylinder 4 is fixedly connected with a driving plate 5, a lower mold seat 6 is arranged on the upper end surface of the bottom plate 1, an upper mold seat 7 is arranged on the lower end surface of the driving plate 5, the lower mold seat 6 and the upper mold seat 7 jointly form a mold structure, an air pump assembly 8 is arranged on the top plate 3, the air pump assembly 8 is connected with the upper mold seat 7 through an air pump hose 9, an air pump is arranged in the air pump assembly 8, an electric heating tube 10 is arranged in the lower mold seat 6, the electric heating tube 10 is used for preheating the mold, two groups of electric heating tube 10 are arranged at the bottom of the bottom plate 1, a demolding mechanism 11 is arranged at the bottom of the bottom plate 1, and the demolding mechanism 11 is used for automatic demolding.

Wherein, die holder 6 and upper die holder 7 constitute the mould that aluminium intermediate alloy cast together, and during operation of first electronic jar 4, drive the drive plate 5 of its one end along guide bar 2 axial motion to realize the compound die of mould and open the mould.

After the casting is solidified and formed, the die is driven to open, and the casting is automatically demolded through the demolding mechanism 11 after the die is opened.

Before the die is used, the electric heating tube 10 is powered on to heat the electric heating tube 10, the electric heating tube 10 is powered on to heat the lower die holder 6 through the electric heating tube 10, the die is preheated, the preheated die has a certain initial temperature, the proper temperature of the die is ensured, the phenomenon of excessively rapid cooling of molten aluminum intermediate alloy during injection into the die is prevented, and the fluidity of molten materials is improved, so that the flatness of the surface of a casting is improved.

Wherein, when molten aluminum intermediate alloy is poured into the mould, aspiration pump assembly 8 works, draws the inside gas of shaping chamber through air exhaust hose 9, makes shaping intracavity portion produce certain negative pressure, relies on this negative pressure, improves the mobility of molten aluminum intermediate alloy, makes the laminating between molten material and the shaping intracavity wall more level and smooth to this improves the compactibility of foundry goods.

The lower die holder 6 comprises a lower forming cavity 12, the upper die holder 7 comprises an upper forming cavity 13, the lower forming cavity 12 and the upper forming cavity 13 after die assembly jointly form a forming cavity, and the molten aluminum intermediate alloy is solidified and formed in the forming cavity.

The demolding mechanism 11 comprises a second electric cylinder 14, one end of the second electric cylinder 14 is fixedly connected with a demolding plate 15, and three groups of demolding rods 16 are arranged on the demolding plate 15.

Wherein, the top of three group's drawing of patterns poles 16 all sets up to the structure of falling trapezium, and drawing of patterns pole 16 runs through bottom plate 1 and die holder 6, and the structure of falling trapezium makes three group's drawing of patterns poles 16 when resetting, can not exert an influence to the shape of shaping die cavity.

When the second electric cylinder 14 works, the demoulding plate 15 at one end of the second electric cylinder is driven, three groups of demoulding rods 16 are driven by the demoulding plate 15, and the three groups of demoulding rods 16 jack up the casting upwards to separate the casting from the lower die holder 6, so that demoulding is realized, and the demoulding is convenient and does not need to be performed manually.

Wherein the driving plate 5 is provided with a gate 17.

The pouring gate 17 is communicated with the upper molding cavity 13, after the die is closed, the molten aluminum intermediate alloy enters the molding cavity through the pouring gate 17, and the molten aluminum intermediate alloy is solidified and molded in the molding cavity.

The four groups of guide rods 2 are arranged, the four groups of guide rods 2 are respectively located at corners of the bottom plate 1, the driving plate 5 is in sliding connection with the guide rods 2, the four groups of guide rods 2 play a role in guiding, accuracy of die assembly and die opening is improved, dislocation between the upper die holder 7 and the lower die holder 6 is prevented, and molding quality of castings is improved.

Wherein, both sides of bottom plate 1 lower extreme are all welded fastening has mount pad 18, have seted up the mounting hole on the mount pad 18, realize the installation fixed to bottom plate 1 through mount pad 18.

When the die is used, the power supply of the electric heating tube 10 is connected, the electric heating tube 10 is electrified to heat, the lower die holder 6 is heated through the electric heating tube 10, the preheated die has a certain initial temperature, the first electric cylinder 4 works, the driving plate 5 at one end of the die is driven to axially move along the guide rod 2, the driving plate 5 drives the upper die holder 7 to move downwards, the upper die holder 7 is contacted with the lower die holder 6 to realize die assembly, after die assembly, molten aluminum intermediate alloy is injected into the die through the pouring gate 17, meanwhile, the air pump assembly 8 works, air in the forming cavity is pumped through the air pumping hose 9, a certain negative pressure is generated in the forming cavity, the fluidity of the molten aluminum intermediate alloy is improved by virtue of the negative pressure, the bonding between the molten aluminum intermediate alloy and the inner wall of the forming cavity is smoother, after the molten aluminum intermediate alloy is solidified and formed in the forming cavity, the die is driven to open, the second electric cylinder 14 works, the die 15 at one end of the die is driven to drive the three groups of stripper rods 16 through the stripper rods 15, and the three groups of stripper rods 16 jack up the die to separate the die from the die assembly from the lower die holder 6.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (8)

1. The utility model provides an aluminium intermediate alloy casting mould, includes bottom plate (1) and roof (3), wherein, be connected through guide bar (2) between bottom plate (1) and roof (3), first electronic jar (4) are installed at the top of roof (3), the one end fixed connection drive plate (5) of first electronic jar (4), the up end of bottom plate (1) is provided with die holder (6), the lower terminal surface of drive plate (5) is provided with die holder (7), be provided with aspiration pump subassembly (8) on roof (3), be connected through aspiration hose (9) between aspiration pump subassembly (8) and upper die holder (7), the inside of die holder (6) is provided with electrothermal tube (10), the bottom of bottom plate (1) is provided with demoulding mechanism (11).

2. An aluminium master alloy casting mould according to claim 1, characterized in that the lower mould base (6) comprises a lower forming cavity (12) and the upper mould base (7) comprises an upper forming cavity (13).

3. The aluminum intermediate alloy casting mold according to claim 1, wherein the demolding mechanism (11) comprises a second electric cylinder (14), one end of the second electric cylinder (14) is fixedly connected with a demolding plate (15), and three groups of demolding rods (16) are arranged on the demolding plate (15).

4. An aluminum intermediate alloy casting mold according to claim 3, wherein the top ends of the three groups of the stripper rods (16) are each provided in an inverted trapezoidal structure, and the stripper rods (16) penetrate through the bottom plate (1) and the lower die holder (6).

5. An aluminium master alloy casting mould according to claim 2, characterized in that the drive plate (5) is provided with a gate (17).

6. An aluminium master alloy casting mould according to claim 5, characterized in that the gate (17) communicates with the upper forming cavity (13).

7. The aluminum intermediate alloy casting die according to claim 1, wherein four groups of guide rods (2) are arranged, the four groups of guide rods (2) are respectively positioned at corners of the bottom plate (1), and the driving plate (5) is in sliding connection with the guide rods (2).

8. The aluminum intermediate alloy casting die according to claim 1, wherein mounting seats (18) are welded and fixed on two sides of the lower end of the bottom plate (1), and mounting holes are formed in the mounting seats (18).