CN213645779U

CN213645779U - Lost foam for casting automobile axle reducer shell

Info

Publication number: CN213645779U
Application number: CN202022267089.1U
Authority: CN
Inventors: 唐四强; 左瑞虎
Original assignee: Shiyan Zhiming Industrial & Development Co ltd
Current assignee: Shiyan Zhiming Industrial & Development Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-09
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a car axle retarder casing casting is with disappearance mould, the fruit pick-up device comprises a frame body, the bottom fixedly connected with telescopic link of framework, the top fixedly connected with basement membrane of telescopic link, the retarder casing disappearance mould has been placed on the basement membrane, the retarder casing disappearance mould passes through the disappearance mould bonding constitution of two symmetries, quartz sand has been placed to the inside of framework, the retarder casing disappearance mould is equipped with a plurality of spacing holes, the bottom fixedly connected with dead lever of framework, first discharge gate has been seted up to the side of framework, there is the slide side of framework through spout sliding connection, install discharge mechanism on the slide, the internally mounted of framework has dry mechanism. The utility model discloses, through the disappearance mould bonding with two symmetries together, constitute axle reduction gear disappearance mould, can reduce the spoilage of the whole disappearance mould of direct production, improved the production efficiency of axle disappearance mould, satisfy the needs of production.

Description

Lost foam for casting automobile axle reducer shell

Technical Field

The utility model relates to a casting technical field especially relates to a car axle reduction gear casing casting is with disappearance mould.

Background

Lost foam casting, also known as solid mold casting, is a novel casting method in which paraffin or foam models with similar sizes and shapes to castings are bonded to form a model cluster, the model cluster is coated with refractory paint and dried, then the model cluster is buried in dry quartz sand for vibration molding, the model is poured under negative pressure to be gasified, liquid metal occupies the position of the model, and the model cluster is solidified and cooled to form the castings.

The existing lost foam for casting the shell of the automobile axle speed reducer is directly placed into quartz sand to be subjected to vibration molding, and negative pressure pouring can form a shell of the speed reducer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the easy impaired shortcoming of disappearance mould in the prior art, and the casting of a car axle reduction gear casing is with disappearance mould that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a car axle retarder casing casting is with disappearance mould, includes the framework, the bottom fixedly connected with telescopic link of framework, the top fixedly connected with basement membrane of telescopic link, the retarder casing disappearance mould has been placed on the basement membrane, the retarder casing disappearance mould comprises through the disappearance mould bonding of two symmetries, quartz sand has been placed to the inside of framework, the retarder casing disappearance mould is equipped with a plurality of spacing holes, the bottom fixedly connected with dead lever of framework, first discharge gate has been seted up to the side of framework, there is the slide side of framework through spout sliding connection, install discharge mechanism on the slide, the internally mounted of framework has dry mechanism.

Preferably, the discharging mechanism comprises a second discharging hole formed in the sliding plate, a spring is fixedly connected to the bottom of the sliding plate, and one end, far away from the sliding plate, of the spring is fixedly connected with the bottom end of the sliding groove.

Preferably, drying mechanism includes the push rod with basement membrane fixed connection, the inside of dead lever is equipped with the cavity, the bottom fixedly connected with piston of push rod, the push rod slides in the dead lever, a plurality of vents have been seted up to the side of dead lever.

Preferably, it is a plurality of the diameter in spacing hole is inequality, the top of reducer housing disappearance mould is equipped with the feed inlet, be provided with the sprue on the framework, the sprue is located the feed inlet directly over.

Preferably, jacks are arranged on the side face of the frame body and the sliding plate, and bolts are placed in the two jacks.

Preferably, the fixing rod is connected with the bottom film in a penetrating manner, and the plurality of ventilation openings are uniformly arranged on the side surface of the fixing rod.

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

1. the utility model discloses in, through the disappearance mould bonding with two symmetries together, constitute axle reduction gear disappearance mould, can reduce the spoilage of the whole disappearance mould of direct production, improved the production efficiency of axle disappearance mould to can satisfy the needs of production, avoid in the disappearance mould production process, reduce the as cast quality of axle reduction gear casing because the damage of disappearance mould.

2. Through bottom installation basement membrane and the telescopic link at the disappearance mould, can effectual reduction, impaired probability when putting into the framework with the disappearance mould to can promote the quality of disappearance mould casting casing, at the in-process that the disappearance mould descends, can carry out further drying to the disappearance mould through the vent.

Drawings

Fig. 1 is a schematic structural view of a lost foam for casting a shell of an automobile axle reducer provided by the present invention;

FIG. 2 is a schematic structural view of a lost foam of a reducer shell in a lost foam for casting a reducer shell of an automobile axle, which is provided by the utility model;

FIG. 3 is an enlarged view of the position A in FIG. 1 of a lost foam for casting a shell of an automobile axle reducer according to the present invention;

fig. 4 is the utility model provides a cast enlargements of B department in with disappearance mould picture 1 of car axle reduction gear casing.

In the figure: the device comprises a frame body 1, a telescopic rod 2, a bottom membrane 3, an injection port 4, a speed reducer shell lost foam 5, a feed inlet 6, a limiting hole 7, a first discharge port 8, a sliding plate 9, a second discharge port 10, a spring 11, a fixing rod 12, a push rod 13, a piston 14, a vent port 15, a cavity 16 and a bolt 17.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a lost foam for casting a shell of an automobile axle speed reducer comprises a frame body 1, wherein the frame body 1 can fix the whole lost foam to ensure the stability of the shell of the axle speed reducer in the die casting process, the bottom of the frame body 1 is fixedly connected with a telescopic rod 2, the telescopic rod 2 can control the lost foam 5 of the shell of the speed reducer to move up and down, so that the casting of the shell of the speed reducer can be further facilitated, the lost foam 5 of the shell of the speed reducer can be moved in the shell casting process of the lost foam to reduce the loss rate of the lost foam 5 of the shell of the speed reducer in the moving process, the top of the telescopic rod 2 is fixedly connected with a bottom film 3, the lost foam 5 of the shell of the speed reducer is placed on the bottom film 3, the lost foam 5 of the shell of the speed reducer can be cast, the lost foam 5 of the shell of the, reduce reduction gear disappearance mould 5's the production degree of difficulty, quartz sand has been placed to framework 1's inside, quartz sand stabilizes reduction gear disappearance mould 5, retarder casing disappearance mould 5 is equipped with a plurality of spacing holes 7, framework 1's bottom fixedly connected with dead lever 12, first discharge gate 8 has been seted up to framework 1's side, there is slide 9 side through spout sliding connection framework 1, the diameter of a plurality of spacing holes 7 is inequality, retarder casing disappearance mould 5's top is equipped with feed inlet 6, be provided with injection opening 4 on framework 1, the inside of grout pouring into retarder casing disappearance mould 5 through injection opening 4 casts, injection opening 4 is located feed inlet 6 directly over, the jack has been seted up on framework 1's side and the slide 9, bolt 17 has been placed in two jacks, the outflow of the inside quartz sand of bolt 17 can control framework 1.

Install discharge mechanism on the slide 9, discharge mechanism includes the second discharge gate 10 of seting up on the slide 9, and the bottom fixedly connected with spring 11 of slide 9, the one end that slide 9 was kept away from to spring 11 and the bottom fixed connection of spout.

The internally mounted of framework 1 has drying mechanism, drying mechanism includes the push rod 13 with 3 fixed connection of basement membrane, the inside of dead lever 12 is equipped with cavity 16, the bottom fixedly connected with piston 14 of push rod 13, push rod 13 slides in dead lever 12, a plurality of vents 15 have been seted up to the side of dead lever 12, carry out further drying to reduction gear evaporative pattern 5 through vent 15, thereby can further promote the casting effect, avoid reduction gear evaporative pattern 5 to wet through the vapor in the air, can provide a dry condition for reduction gear evaporative pattern 5 in the casting process, be favorable to strengthening the production of reduction gear casing,

dead lever

12 and 3 through connection of basement membrane, a plurality of vents 15 are align to grid in the side of dead lever 12.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

firstly, quartz sand is poured into the frame 1 from the top of the frame 1 and is filled to the bottom film 3, then, a button of the telescopic rod 2 is pressed, the telescopic rod 2 starts to rise, the bottom film 3 rises along with the rise of the telescopic rod 2, the speed reducer disappearance mould 5 is placed at the top of the bottom film 3, the button of the telescopic rod 2 is pressed again, the telescopic rod 2 starts to drive the speed reducer disappearance mould 5 to fall, in the descending process of the telescopic rod 2, the bottom film 3 falls along with the fall of the telescopic rod 2, in the descending process of the bottom film 3, the push rod 13 can be driven to slide in the cavity 16 inside the fixed rod 12, so that the piston 14 is driven to push the gas in the cavity 16, the gas dries the speed reducer disappearance mould 5 placed on the bottom film 3 through the plurality of ventilation openings 15 on the fixed rod 12, after the speed reducer disappearance mould 5 is moved to a proper position, the feed inlet 6 on the speed reducer disappearance mould 5 is aligned with the injection opening 4, then, the frame body 1 is filled with the quartz sand continuously until the whole speed reducer evanescent mode 5 is covered.

After accomplishing the packing of quartz sand, through injecting into the melt thick liquid in injection port 4 and feed inlet 6 toward reduction gear disappearance mould 5, carry out the casting of axle reduction gear casing, axle reduction gear casing accomplishes the casting back, take out the bolt in the jack, under spring 11's effect, slide 9 begins the lapse, second discharge gate 10 on the slide 9 aligns with first discharge gate 9 on the framework 1, quartz sand in the framework 1 flows out through first discharge gate 9 and second discharge gate 10, and finally, take out the fashioned axle reduction gear casing of casting from framework 1, accomplish the use of disappearance mould in casting process.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A lost foam for casting a shell of an automobile axle speed reducer comprises a frame body (1) and is characterized in that, the bottom of the frame body (1) is fixedly connected with a telescopic rod (2), the top of the telescopic rod (2) is fixedly connected with a bottom membrane (3), a speed reducer shell lost foam (5) is arranged on the bottom film (3), the speed reducer shell lost foam (5) is formed by bonding two symmetrical lost foams, quartz sand is placed in the frame body (1), the speed reducer shell lost foam (5) is provided with a plurality of limiting holes (7), the bottom end of the frame body (1) is fixedly connected with a fixed rod (12), the side surface of the frame body (1) is provided with a first discharge hole (8), the side surface of the frame body (1) is connected with a sliding plate (9) in a sliding way through a sliding chute, the discharging mechanism is installed on the sliding plate (9), and the drying mechanism is installed inside the frame body (1).

2. The lost foam mold for casting the automobile axle speed reducer shell according to claim 1, wherein the discharging mechanism comprises a second discharging hole (10) formed in a sliding plate (9), a spring (11) is fixedly connected to the bottom of the sliding plate (9), and one end, far away from the sliding plate (9), of the spring (11) is fixedly connected with the bottom end of the sliding chute.

3. The evaporative mold for casting the automobile axle reducer casing as claimed in claim 1, wherein the drying mechanism comprises a push rod (13) fixedly connected with a bottom film (3), a cavity (16) is formed inside the fixing rod (12), a piston (14) is fixedly connected to the bottom of the push rod (13), the push rod (13) slides in the fixing rod (12), and a plurality of ventilation openings (15) are formed in the side surface of the fixing rod (12).

4. The evaporative pattern for casting the automobile axle reducer casing according to claim 1, wherein the plurality of limiting holes (7) are different in diameter, a feed port (6) is formed in the top of the evaporative pattern (5) of the reducer casing, an injection port (4) is formed in the frame body (1), and the injection port (4) is located right above the feed port (6).

5. The lost foam casting mold for casting the automobile axle speed reducer shell as claimed in claim 1, wherein the side surface of the frame body (1) and the sliding plate (9) are provided with insertion holes, and the two insertion holes are internally provided with bolts (17).

6. The lost foam casting machine for casting the automobile axle reducer casing as recited in claim 3, wherein the fixing rod (12) is connected with the bottom film (3) in a penetrating manner, and the plurality of ventilation openings (15) are uniformly arranged on the side surface of the fixing rod (12).