CN209753935U

CN209753935U - Constant pressure vacuum aluminum alloy casting forming device

Info

Publication number: CN209753935U
Application number: CN201822203001.2U
Authority: CN
Inventors: 汪东山; 王其峰; 周文; 张文钢; 苏文军
Original assignee: Guangdong Longda Lishan Light Metal Products Co Ltd
Current assignee: Guangdong Longda Lishan Light Metal Products Co Ltd
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2019-12-10
Anticipated expiration: 2028-12-26

Abstract

The utility model discloses a constant-pressure vacuum aluminum alloy casting forming device, which comprises a lower die, an upper die, a bracket and radiating fins, wherein the cross section of the radiating fins is S-shaped, the two sides of the lower surface of the upper die are connected with a rod body through a lug, a rotary flap body is installed in a groove formed in the two sides of the upper surface of the lower die, the bottoms of the rotary flap bodies are hinged with each other, and a spring is connected between at least one surface of the separated surface of each rotary flap body and the side wall of the groove of the lower die; during the use, the body of rod that will go up the mould aims at the opening part of rotatory lamella body and pushes down, makes the body of rod by firm centre gripping in the cavity that rotatory lamella body is constituteed, accomplish the fast assembly of upper and lower mould, through the shrinkage of spring, have certain relative horizontal displacement surplus between the upper and lower mould, thereby can compensate the relative displacement that expend with heat and contract with cold and produce, avoided producing the deformation because of unable relative displacement between the upper and lower mould, in addition, the fin in S-shaped cross-section can make the heat that the casting produced eliminate fast.

Description

Constant pressure vacuum aluminum alloy casting forming device

Technical Field

The utility model relates to an aluminum alloy casting technical field specifically is constant voltage vacuum aluminum alloy casting forming device.

Background

The cast aluminum alloy is an aluminum alloy obtained by filling a casting mold with molten metal to form parts blanks in various shapes. The high-strength steel has the advantages of low density, high specific strength, good corrosion resistance and casting manufacturability, small limitation of part structural design and the like. Medium strength alloys based on Al-Si and Al-Si-Mg-Cu; Al-Cu based high strength alloys; corrosion resistant alloys based on Al-Mg; Al-Re-based hot strength alloys. Most of them need to be heat treated to achieve the aims of strengthening alloy, eliminating internal stress of casting, stabilizing structure and part size, etc. In order to ensure the quality of the cast aluminum alloy, the selection of the mold needs to be carefully carried out. Therefore, a mold having excellent properties is widely used.

However, the prior art molds have many drawbacks in the actual casting process, such as:

1. the casting mould (CN201855935U) is disclosed in the prior art, sixteen radiating fins are uniformly distributed on the casting mould shell body related to the casting mould, the radiating surface area of the outer surface of the mould is increased, the radiating speed is accelerated, the upper mould and the lower mould are connected by using a flange, although the connecting strength between the upper mould and the lower mould is enhanced, the upper mould and the lower mould are not provided with the allowance of horizontal displacement after being connected, and the relative displacement generated by expansion with heat and contraction with cold cannot be compensated.

2. Still disclose among the prior art from compaction centrifugal casting mould (CN106826531B), the lower mould outside has increased the heat-sinking capability that the slot is used for reinforcing the mould about its mould that relates to, but the shallow slot of fluting can not satisfy the rapid heat dissipation cooling needs of high temperature mould, bolted connection between the upper and lower mould passes through the mode of waist shape cross-under hole, make the allowance that has relative horizontal displacement between the upper and lower mould, thereby can compensate the relative displacement that expend with heat and contract with cold and produce, avoided the mould to produce because of unable relative displacement and warp, but through bolted connection, the upper and lower mould closed procedure is comparatively complicated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a constant voltage vacuum aluminum alloy casting forming device, including the lower mould, go up mould, support and fin, the four corners department fixedly connected with support of lower mould lower surface, the upper surface of lower mould is connected with the mould, the surface of going up mould and lower mould all is provided with the fin, the transversal S-shaped of personally submitting of fin, the lower surface both sides of going up the mould are connected with the body of rod through the lug, rotatory lamella body is installed to the inslot rotation that lower mould upper surface both sides were seted up, the bottom of rotatory lamella body is articulated each other, and rotates with the fluting bottom of lower mould upper surface to be connected, have at least in the looks abscission face of rotatory lamella body between the fluting lateral wall.

Preferably, springs are connected between the separated surface of the rotary flap body and the inner wall of the groove in the lower die.

Preferably, the height of the bracket is greater than the height of the heat sink.

Preferably, the thickness of the connecting plate between the rod body and the lug on the lower surface of the upper die is smaller than the opening width of the rotary clack body, a gap is formed between the lower surface of the lug on the upper die and the rotary clack body, and the thickness of the lug is smaller than the grooving width of the upper surface of the lower die.

Preferably, the length of the groove on the upper surface of the lower die is smaller than the side length of the groove.

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

1. The utility model relates to a casting die utensil' S surface is provided with the fin that the cross-section is the S-shaped, greatly increased the heat radiating surface area of mould surface for the heat that the casting produced is dissipated rapidly.

2. The utility model discloses an it is connected with the body of rod to go up mould lower surface both sides, and corresponding lower mould upper surface both sides are provided with two mutual articulated rotatory lamella bodies, are connected with the spring between the rotatory lamella body and the lower mould for it is internal that rotatory lamella is inlayed through the body of rod to go up the mould, reach the effect of the quick combination of lower mould, because the setting of spring, make and to go up horizontal displacement relatively between the lower mould, thereby can compensate the relative displacement that expend with heat and contract with cold produced, avoided producing because of unable relative displacement between the lower mould warp.

Drawings

Fig. 1 is a schematic overall front view structure diagram of the present invention;

FIG. 2 is a schematic sectional view of the whole of the present invention;

Fig. 3 is an enlarged schematic view of fig. 2 at a according to the present invention;

In the figure: 100-lower die; 101-upper mould; 102-a scaffold; 200-a rod body; 201-rotating flap body; 202-a spring; 300-heat sink.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

referring to fig. 1-3, the present invention provides a technical solution: constant voltage vacuum aluminum alloy casting forming device, including lower mould 100, last mould 101, support 102 and fin 300, the four corners department fixedly connected with support 102 of lower mould 100 lower surface, the upper surface of lower mould 100 is connected with last mould 101, the surface of going up mould 101 and lower mould 100 all is provided with fin 300, fin 300' S transversal personally submits the S-shaped for go up mould 101 and when casting after the lower mould 100 combination, the surface area of the increase cooling surface that the fin 300 of S-shaped cross-section can be great makes the heat eliminate fast, further all is provided with the lower surface and the lateral wall of the upper surface of last mould 101 and lower mould 100 with the fin 300 of S-shaped cross-section, makes the radiating rate maximize, has avoided the supplementary water-cooling to cause the fatigue of mould and has reduced its life, the lower surface both sides of going up mould 101 are connected with body of rod 200 through the lug, rotatory lamella body 201 is installed to the inslot rotation that lower, the bottom of rotatory lamella body 201 is articulated each other, and rotate with the fluting bottom of lower mould 100 upper surface and be connected, at least there is spring 202 between the fluting lateral wall of one side and lower mould 100 in the looks abscission face of rotatory lamella body 201, when making use, the body of rod 200 that will go up mould 101 lower surface connection pushes down to the opening part of rotatory lamella body 201, make rotatory lamella body 201 take place to rotate and compression spring 202, make the body of rod 200 firmly the centre gripping in the cavity that rotatory lamella body 201 constitutes, reach the effect of going up mould 101 and lower mould 100 fast assembly, go up the shrinkage of accessible spring 202 between mould 101 and the lower mould 100 simultaneously, certain relative horizontal displacement surplus has, thereby can compensate the relative displacement that expend with heat and contract with cold and produce the deformation because of unable relative displacement between the lower mould has been avoided.

All be connected with spring 202 between the fluting inner wall on the looks abscission face of rotatory lamella body 201 and lower mould 100 for during the use, make the equipment operation between last mould 101 and the lower mould 100 more convenient, and further ensured the relative horizontal displacement allowance between last mould 101 and the lower mould 100, support 102 highly is greater than the height of fin 300 for fin 300 of lower mould 100 lower surface can normally exert heat dissipation function, the body of rod 200 and the connecting plate thickness of last mould 101 lower surface between the lug are less than the opening width of rotatory lamella body 201, be provided with the clearance between the lower surface of the lug of last mould 101 and the rotatory lamella body 201, and the thickness of lug is less than the fluting width of lower mould 100 upper surface, make during the use, further ensure the relative horizontal displacement allowance between last mould 101 and the lower mould 100.

The working principle is as follows: during the use, the body of rod 200 that will go up mould 101 lower surface connection aims at the opening part of rotatory lamella body 201 and pushes down, make rotatory lamella body 201 take place to rotate and compression spring 202, make the body of rod 200 firmly the centre gripping in the cavity that rotatory lamella body 201 constitutes, make and accomplish the equipment between last mould 101 and the lower mould 100, then carry out the casting process, go up the radiating fin 300 of the S-shaped cross-section that mould 101 and lower mould 100 surface set up with higher speed and produce thermal dissipation to the casting, go up the shrink volume of accessible spring 202 between mould 101 and the lower mould 100 simultaneously, certain relative horizontal displacement allowance has, thereby can compensate the relative displacement that expend with heat and contract with cold and produce, it produces the deformation because of unable relative displacement between the lower mould to have avoided.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Constant voltage vacuum aluminum alloy casting forming device, including lower mould (100), last mould (101), support (102) and fin (300), the four corners department fixedly connected with support (102) of lower mould (100) lower surface, the upper surface of lower mould (100) is connected with mould (101), the surface of going up mould (101) and lower mould (100) all is provided with fin (300), its characterized in that: the transversal S-shaped of personally submitting of fin (300), the lower surface both sides of going up mould (101) are connected with the body of rod (200) through the lug, rotatory lamella body (201) are installed to the inslot internal rotation that lower mould (100) upper surface both sides were seted up, the bottom of rotatory lamella body (201) is articulated each other, and rotates with the fluting bottom of lower mould (100) upper surface and be connected, it has spring (202) to have at least between one side and the fluting lateral wall of lower mould (100) in the looks abscission face of rotatory lamella body (201).

2. the constant pressure vacuum aluminum alloy casting apparatus as claimed in claim 1, wherein: springs (202) are connected between the separated surfaces of the rotary flap bodies (201) and the inner wall of the groove in the lower die (100).

3. The constant pressure vacuum aluminum alloy casting apparatus as claimed in claim 1, wherein: the height of the bracket (102) is greater than the height of the heat sink (300).

4. The constant pressure vacuum aluminum alloy casting apparatus as claimed in claim 1, wherein: the connecting plate thickness between body of rod (200) and last mould (101) lower surface lug is less than the opening width of rotatory lamella body (201), be provided with the clearance between the lower surface of the lug of last mould (101) and rotatory lamella body (201), and the thickness of lug is less than the fluting width of lower mould (100) upper surface.

5. the constant pressure vacuum aluminum alloy casting apparatus as claimed in claim 1, wherein: the length of the groove on the upper surface of the lower die (100) is smaller than the side length.