CN217166434U

CN217166434U - Uniform feeding die-casting die for compressor shell

Info

Publication number: CN217166434U
Application number: CN202123448414.5U
Authority: CN
Inventors: 张维亮
Original assignee: Jiangsu Pessen Precision Machinery Co ltd
Current assignee: Jiangsu Pessen Precision Machinery Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-12
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of die casting molds, in particular to a compressor shell uniform feeding die casting mold, wherein, an inner mold comprises an inner fixed mold and an inner movable mold and is arranged between the outer fixed mold and an outer movable mold, the inner fixed mold comprises a fixed mold fixed seat and a fixed mold, the inner movable mold comprises a movable mold fixed seat and a movable mold, a first casting cavity and a first drainage channel are formed on the fixed mold, and a second casting cavity and a second drainage channel are formed on the movable mold; when the first profile piece and the second profile piece are arranged close to the first casting cavity and the second casting cavity on the fixed die and the movable die, profile cavities are formed; first drainage way and the first imitative piece of second drainage way cooperation form an annular water conservancy diversion chamber, and leading-in profile modeling cavity behind aluminium liquid flow direction annular water conservancy diversion chamber through a sprue has reduced the offering of sprue on the face of being connected of moving die utensil and stationary mould, has strengthened the gas tightness of centre form, and the design in annular water conservancy diversion chamber can make aluminium liquid leading-in effect more even, makes compressor housing casting shaping quality better.

Description

Uniform feeding die-casting die for compressor shell

Technical Field

The utility model relates to a die casting die technical field especially relates to an even feeding die casting die of compressor housing.

Background

At present, in the die-casting process of compressor housing, aluminium liquid is leading-in from the circumference of profile modeling cavity respectively through the drainage way after leading-in from the sprue gate, and the lateral wall department that corresponds the shaping compressor housing promptly is leading-in, for guaranteeing the even leading-in of aluminium liquid, sets up a plurality of drainage ways simultaneously on one side of the circumference of profile modeling cavity with aluminium liquid from the even leading-in profile modeling cavity in a plurality of positions usually, but a plurality of aluminium liquid leading-in positions make casting die's gas tightness hardly guarantee, the leakage of aluminium liquid appears easily, the casting quality of influence compressor housing.

In view of the above problems, the designer actively makes research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years, so as to create a die casting mold for uniformly feeding the compressor shell, so that the die casting mold has higher practicability.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an even feeding die casting die of compressor housing to the defect that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a compressor housing uniform feed die casting mold, comprising: the high-pressure point cooling assembly is clamped between the outer moving die and the inner moving die;

the internal mold comprises a fixed mold fixing seat and a fixed mold, the internal movable mold comprises a movable mold fixing seat and a movable mold, the fixed mold and the movable mold are respectively provided with a first casting cavity and a second casting cavity, the fixed mold and the movable mold are respectively arranged in the fixed mold fixing seat and the movable mold fixing seat, a first profile part and a second profile part are further arranged on the movable mold fixing seat, the first casting cavity is matched with the second casting cavity, and the first profile part and the second profile part form a closed profile cavity.

Further, a first sliding block and a second sliding block are respectively arranged at one end, far away from the second casting cavity, of the first cam and the second cam, and the first sliding block and the second sliding block are respectively driven by a first air cylinder and a second air cylinder and respectively drive the first cam and the second cam to approach or separate towards the second casting cavity;

the first profile-shaped piece and the second profile-shaped piece are perpendicular to each other and are arranged on two sides of the movable die fixing seat, the end part of the first profile-shaped piece corresponding to the compressor shell is arranged and can extend into the profile cavity, and the second profile-shaped piece is arranged corresponding to the side wall of the compressor shell.

Furthermore, a casting channel is arranged on the connecting surface of the movable mould and the fixed mould, the casting channel is communicated with a second drainage channel, and a first drainage channel is arranged on the fixed mould corresponding to the second drainage channel;

the first drainage duct and the second drainage duct are close to the first profiling piece, and are matched with the first profiling piece to form an annular flow guide cavity, and the flow guide cavity is located at one end of the profiling cavity and is communicated with the profiling cavity through a plurality of flow guide grooves.

Further, the width of the diversion trench is gradually increased along the flow direction of the fluid.

Furthermore, the diversion trenches are uniformly distributed along the circumferential direction of the diversion cavity.

Furthermore, a plurality of exhaust slag ladles are arranged on the connecting surface of the movable mold and the fixed mold, and each exhaust slag ladle comprises a first cavity and a second cavity which are respectively arranged on the fixed mold and the movable mold;

the plurality of first cavities and the plurality of second cavities are disposed about the first casting cavity and the second casting cavity, respectively.

Furthermore, a casting opening is formed in the fixed die fixing seat and corresponds to the casting channel.

Furthermore, the high-pressure point cooling assembly is arranged on the outer moving die and comprises a plurality of high-pressure point cooling pipe groups connected with the moving die fixing seat.

The utility model has the advantages that:

forming a first casting cavity and a first drainage channel on the fixed mold, and forming a second casting cavity and a second drainage channel on the movable mold; when the first profile piece and the second profile piece are arranged close to the first casting cavity and the second casting cavity on the fixed die and the movable die, profile cavities are formed; first drainage way and the first imitative piece of second drainage way cooperation form an annular water conservancy diversion chamber, and leading-in profile modeling cavity behind aluminium liquid flow direction annular water conservancy diversion chamber through a sprue has reduced the offering of sprue on the face of being connected of moving die utensil and stationary mould, has strengthened the gas tightness of centre form, and the design in annular water conservancy diversion chamber can make aluminium liquid leading-in effect more even, makes compressor housing casting shaping quality better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a die casting mold in an embodiment of the present invention;

FIG. 2 is an exploded schematic view of an outer mold and an inner mold of a die-casting mold according to an embodiment of the present invention;

fig. 3 is an exploded view of an inner mold structure according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of an inner moving mold in the embodiment of the present invention;

FIG. 5 is a schematic structural view of a movable mold in an embodiment of the present invention;

FIG. 6 is a front view of the movable mold in the embodiment of the present invention;

FIG. 7 is a schematic structural view of a fixed mold according to an embodiment of the present invention;

FIG. 8 is a front view of the stationary mold in the embodiment of the present invention;

fig. 9 is a schematic structural view of the diversion cavity in the embodiment of the present invention.

Reference numerals: 1. an outer mold; 2. an inner mold; 21. a flow guide cavity; 22. a diversion trench; 23. exhausting the slag ladle; 3. externally fixing the mold; 4. an outer moving die; 5. an inner fixed die; 51. a fixed die fixing seat; 511. a casting gate; 52. fixing a mold; 521. a first casting cavity; 522. a first drainage channel; 523. a first cavity; 6. an inner moving die; 61. a movable mould fixing seat; 611. a first cam; 612. a second cam; 613. a first slider; 614. a second slider; 615. a first cylinder; 616. the second cylinder; 62. moving the mold; 621. a second casting cavity; 622. a casting channel; 623. a second drainage channel; 624. a second cavity; 7. a high pressure point cooling assembly; 71. and a high-pressure point cooling pipe group.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 9, the die casting mold for uniform feeding of the compressor shell comprises an outer mold 1, an inner mold 2 and a high-pressure point cooling assembly 7, wherein the outer mold 1 comprises an outer fixed mold 3 and an outer movable mold 4, the inner mold 2 is arranged between the outer fixed mold 3 and the outer movable mold 4, the inner mold 2 comprises an inner fixed mold 5 and an inner movable mold 6, and the high-pressure point cooling assembly 7 is clamped between the outer movable mold 4 and the inner movable mold 6; the inner fixed die 5 comprises a fixed die fixing seat 51 and a fixed die 52, the inner movable die 6 comprises a movable die fixing seat 61 and a movable die 62, the fixed die 52 and the movable die 62 are respectively provided with a first casting cavity 521 and a second casting cavity 621, the fixed die 52 and the movable die 62 are respectively arranged in the fixed die fixing seat 51 and the movable die fixing seat 61, the movable die fixing seat 61 is further provided with a first profile piece 611 and a second profile piece 612, and the first casting cavity 521 and the second casting cavity 621 are matched with the first profile piece 611 and the second profile piece 612 to form a closed profile cavity. Is at first

In the present embodiment, as shown in fig. 2 and 3, the fixed mold 52 and the movable mold 62 are respectively embedded in the limiting grooves of the fixed mold fixing seat 51 and the movable mold fixing seat 61, and an inner wall gully is arranged on the connecting surface of the fixed mold 52 and the movable mold 62, so that the first casting cavity 521 and the first flow guide 522 are formed on the fixed mold 52, and the second casting cavity 621 and the second flow guide 623 are formed on the movable mold 62; furthermore, a first cam 611 and a second cam 612 are disposed on the movable die holder 61 and are used for forming the compressor housing by matching with the inner wall gullies of the fixed die 52 and the movable die 62. When the first cam 611 and the second cam 612 are both arranged close to the first casting cavity 521 and the second casting cavity 621 on the fixed die 52 and the movable die 62, a cam cavity is formed, and the first flow guide 522 and the second flow guide 623 are used for introducing the molten aluminum.

In the specific implementation process, a first slide block 613 and a second slide block 614 are respectively arranged at one end of the first cam 611 and the second cam 612 far away from the second casting cavity 621, and the first slide block 613 and the second slide block 614 are respectively driven by a first air cylinder 615 and a second air cylinder and respectively drive the first cam 611 and the second cam 612 to approach or separate towards the second casting cavity 621; the first cam 611 and the second cam 612 are arranged at two sides of the movable die fixing seat 61 in a mutually perpendicular mode, the first cam 611 is arranged at the end portion corresponding to the compressor shell and can extend into the cam cavity, and the second cam 612 is arranged corresponding to the side wall of the compressor shell.

When the first cam 611 and the second cam 612 are driven close to the first casting cavity 521 and the second casting cavity 621 by the first cylinder 615 and the second cylinder, respectively, a closed cam cavity is formed, which is similar to the structural profile of the compressor shell. And after being introduced from the casting opening 511, the aluminum liquid is uniformly introduced into the profiling cavity through the first guide passage 522 and the second guide passage 623 to form a shell structure of the compressor.

As a preferred embodiment of the present application, a casting channel 622 is disposed on a connecting surface of the movable mold 62 and the fixed mold 52, a casting opening 511 is disposed on the fixed mold fixing seat 51 corresponding to the casting channel 622, the casting channel 622 is communicated with the second flow guide 623, and a first flow guide 522 is disposed on the fixed mold 52 corresponding to the second flow guide 623; the first flow guide channel 522 and the second flow guide channel 623 are both arranged close to the first cam 611 and cooperate with the first cam 611 to form an annular flow guide cavity 21, as shown in fig. 9, the flow guide cavity 21 is located at one end of the cam and is communicated with the cam through a plurality of flow guide grooves 22.

Specifically, in the above embodiment, the annular diversion cavity 21 formed by the first diversion channel 522 and the second diversion channel 623 in cooperation with the first profiling piece 611 is located at the end position of the molded compressor housing, in the molding process, aluminum liquid is led in from one end of the profiling cavity, and the diversion cavity 21 is annular, so that the aluminum liquid can be led in uniformly along the circumferential direction of the profiling cavity, and corresponds to the circumferential side wall of the compressor housing, the opening of the casting channel 622 on the connecting surface of the movable mold 62 and the fixed mold 52 is reduced, so that the air tightness of the inner mold 2 is enhanced, and the design of the annular diversion cavity 21 can make the aluminum liquid lead-in effect more uniform, so that the casting molding quality of the compressor housing is better.

Further, the diversion trenches 22 are uniformly arranged along the circumferential direction of the diversion cavity 21. The width of channels 22 increases in the direction of fluid flow. The molten aluminum led into the profiling cavity can be further more uniform, and the casting quality is improved.

As a preferred embodiment of the above embodiment, the diversion cavity 21 is disposed at one end of the molded compressor housing corresponding to the first contour piece 611, so that a plurality of exhaust slag ladles 23 are disposed on the connecting surface of the movable mold 62 and the fixed mold 52, and can be disposed around the contour cavity, thereby achieving uniform slag and exhaust. The exhaust slag ladle 23 comprises a first cavity 523 and a second cavity 624 which are respectively arranged on the fixed die 52 and the movable die 62; a plurality of first and

second cavities

523 and 624 are disposed around the first and

second casting cavities

521 and 621, respectively.

In the present application, the high-pressure spot cooling assembly 7 is arranged on the outer moving die 4 and comprises a plurality of high-pressure spot cooling pipe groups 71 connected with the moving die fixing base 61. After the aluminum liquid is poured, high-pressure spot cooling treatment is carried out on all parts of the movable mould 62, so that rapid cooling forming of all parts of the mould is realized, and shrinkage cavity deformation of a product caused by too slow cooling of local areas is prevented.

It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a compressor housing uniform feed die casting die which characterized in that includes: the high-pressure point cooling device comprises an outer die (1), an inner die (2) and a high-pressure point cooling assembly (7), wherein the outer die (1) comprises an outer fixed die (3) and an outer movable die (4), the inner die (2) is arranged between the outer fixed die (3) and the outer movable die (4), the inner die (2) comprises an inner fixed die (5) and an inner movable die (6), and the high-pressure point cooling assembly (7) is clamped between the outer movable die (4) and the inner movable die (6);

interior cover half (5) include cover half fixing base (51) and cover half (52), interior movable mould (6) include movable mould fixing base (61) and movable mould (62), cover half (52) with movable mould (62) are provided with first casting chamber (521) and second casting chamber (621) respectively, cover half (52) with movable mould (62) set up respectively in cover half fixing base (51) with in movable mould fixing base (61), and still be provided with first profile (611) and second profile (612) on movable mould fixing base (61), first casting chamber (521) with second casting chamber (621) cooperation first profile (611) with second profile (612) form a confined profile cavity.

2. The compressor housing uniform-feed die-casting mold as claimed in claim 1, wherein a first slider (613) and a second slider (614) are respectively provided at ends of the first cam (611) and the second cam (612) away from the second casting cavity (621), the first slider (613) and the second slider (614) are respectively driven by a first cylinder (615) and a second cylinder and respectively bring the first cam (611) and the second cam (612) closer to or away from the second casting cavity (621);

the first cam (611) and the second cam (612) are arranged on two sides of the movable die fixing seat (61) in a mutually perpendicular mode, the first cam (611) is arranged at the position, corresponding to the end portion of the compressor shell, and can extend into the cam cavity, and the second cam (612) is arranged corresponding to the side wall of the compressor shell.

3. The compressor shell uniform-feeding die-casting die as claimed in claim 2, wherein a casting channel (622) is formed on a connecting surface of the movable die (62) and the fixed die (52), the casting channel (622) is communicated with a second flow guide (623), and a first flow guide (522) is arranged on the fixed die (52) corresponding to the second flow guide (623);

first drainage way (522) with second drainage way (623) all are close to first profile part (611) sets up, and the cooperation first profile part (611) forms an annular water conservancy diversion chamber (21), water conservancy diversion chamber (21) are located the one end of profile cavity, and are linked together through a plurality of guiding gutter (22) and profile cavity.

4. The compressor housing uniform-feed die-casting mold as claimed in claim 3, wherein the width of the baffle groove (22) is gradually increased in the fluid flow direction.

5. The compressor housing uniform-feed die-casting mold as claimed in claim 3, wherein the guide grooves (22) are uniformly arranged along a circumferential direction of the guide cavity (21).

6. The compressor shell uniform-feeding die-casting die as claimed in claim 3, wherein a plurality of exhaust cinder ladles (23) are arranged on the connecting surface of the movable die (62) and the fixed die (52), and the exhaust cinder ladles (23) comprise a first cavity (523) and a second cavity (624) which are respectively arranged on the fixed die (52) and the movable die (62);

the plurality of first cavities (523) and the plurality of second cavities (624) are disposed around the first casting cavity (521) and the second casting cavity (621), respectively, in proximity thereto.

7. The compressor housing uniform-feed die-casting mold as claimed in claim 3, wherein a casting opening (511) is provided on the fixed mold fixing seat (51) corresponding to the casting channel (622).

8. The compressor shell uniform-feeding die-casting die as claimed in claim 1, wherein the high-pressure spot-cooling assembly (7) is arranged on the outer movable die (4) and comprises a plurality of high-pressure spot-cooling pipe groups (71) connected with the movable die fixing seat (61).