CN212979776U

CN212979776U - Cab suspension swing arm and manufacturing equipment thereof

Info

Publication number: CN212979776U
Application number: CN202021956160.0U
Authority: CN
Inventors: 张进; 郭文明; 冷兆权
Original assignee: Shanghai Komman Vehicle Component Systems Stock Co ltd
Current assignee: Shanghai Komman Vehicle Component Systems Stock Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-16
Anticipated expiration: 2030-09-09

Abstract

The utility model relates to a cab suspension swing arm, which comprises a swing arm main body and is characterized in that the lower part of the swing arm main body is of a rectangular cross-sectional structure, the upper part of the swing arm main body is of a U-shaped cross-sectional structure, and the connection part of the upper part of the swing arm main body and the lower part of the swing arm main body is in smooth connection and transition through a rectangular cross section; and a cylindrical structure is arranged on the side surface of the upper part of the swing arm main body. The utility model discloses still relate to a driver's cabin suspension swing arm preparation equipment, its one time preparation two driver's cabin suspension swing arms. The utility model discloses a driver's cabin suspension swing arm uses A356 aluminum alloy to replace nodular cast iron or steel for the whole weight of suspension swing arm descends, and the cost is lower, reduces whole car unit mileage energy consumption ratio. The utility model discloses a driver's cabin suspension swing arm preparation equipment adopts high strength metal to make, and the preparation technology adopts liquid die forging technology, makes inside liquid metal fills the mould body under pressure, can avoid having serious overlap and burr on the follow-up product, and is efficient, with low costs, and product property can be superior.

Description

Cab suspension swing arm and manufacturing equipment thereof

Technical Field

The utility model relates to an automobile parts and preparation frock technical field especially relate to a driver's cabin suspension swing arm and preparation equipment thereof.

Background

The cab is an important part of a truck, the functional requirements of a cab suspension swing arm are more and more clear, and the weight reduction trend of the whole cab leads to the development of a cab suspension system towards the weight reduction. The main function of the cab suspension swing arm in the suspension system is to bear the cab overturn limit and connect other bearing parts.

In the prior art, the heavier cab swing arm of the ductile iron leads to the heavier total weight of a cab suspension system, which is not beneficial to reducing the unit mileage energy consumption ratio of the whole vehicle and the insufficient utilization of materials, and the cab swing arm of the ductile iron has too high cost, more internal defects and low production efficiency.

SUMMERY OF THE UTILITY MODEL

For the driver's cabin swing arm of overcoming the nodular iron that exists among the above-mentioned prior art heavier defect that leads to driver's cabin suspension system overall weight overweight, one of the purposes of the utility model provides a driver's cabin suspension swing arm when improving the stability of driver's cabin on hanging for the suspension swing arm is lighter-weighted more.

A second object of the utility model is to provide a preparation equipment for preparing above-mentioned driver's cabin suspension swing arm.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a cab suspension swing arm comprises a swing arm main body, wherein the lower part of the swing arm main body is of a rectangular cross-sectional structure, the upper part of the swing arm main body is of a U-shaped cross-sectional structure, and the joint of the upper part of the swing arm main body and the lower part of the swing arm main body is in smooth connection and transition through a rectangular cross section; and a cylindrical structure is arranged on the side surface of the upper part of the swing arm main body.

In a preferred embodiment of the present invention, the swing arm main body is made of a356 aluminum alloy.

The utility model also provides a driver's cabin suspension swing arm preparation equipment for make above-mentioned driver's cabin suspension swing arm, its once makes two driver's cabin suspension swing arms.

In a preferred embodiment of the present invention, the die comprises a material handle portion and a die body fixed on the top of the material handle portion and used for manufacturing a swing arm of a cab suspension, wherein the material handle portion is provided with a grouting opening, the inside of the material handle portion and the inside of the die body are both cavities, and the inside of the material handle portion and the inside of the die body are communicated through a first flow channel with the inside being a cavity; and at least one slag ladle and at least one exhaust groove are arranged on the parting surface of the die body opposite to the material handle part, the slag ladle and the inside of the exhaust groove are cavities, and the cavity in any slag ladle is communicated with the exhaust groove through a second flow passage inside the cavity while communicated with the cavity in the die body.

In a preferred embodiment of the present invention, at least one slag ladle and at least one exhaust duct are disposed at an upper portion of the swing arm main body for molding in the mold main body.

In a preferred embodiment of the present invention, the cavity of any slag ladle and the cavity in the mold body form a triangular structure.

In a preferred embodiment of the present invention, the cross section of the first flow channel and the second flow channel is rectangular.

In a preferred embodiment of the present invention, the handle portion is cylindrical.

Owing to adopted above technical scheme, compared with the prior art, the utility model, have following beneficial effect:

(1) the cab suspension swing arm of the utility model uses A356 aluminum alloy to replace ductile iron or steel, so that the whole weight of the suspension swing arm is reduced, the cost is lower, and the unit mileage energy consumption ratio of the whole vehicle is reduced;

(2) the utility model discloses a driver's cabin suspension swing arm preparation equipment, wherein the die joint department of mould body sets up a plurality of cinder ladles in order to be convenient for the better air of getting rid of the die joint position department and the production residual debris when removing impurity, can balance the temperature of mould simultaneously, is unlikely to have serious overlap and burr on the follow-up product, reduces the defect in the product;

(3) the utility model discloses a cab suspension swing arm manufacturing device, the material handle part is cylindrical, the thick and big material handle part can compensate the defect caused by the inside of the product, the aluminum liquid can better flow into the inside of the die, and the forming is convenient; the material handle part and the first flow channel form a classic Y-shaped structure.

(5) The utility model discloses a driver's cabin suspension swing arm preparation equipment adopts high strength metal to make, and the preparation technology adopts liquid die forging technology, makes inside liquid metal fills the mould body under pressure, guarantees that driver's cabin suspension swing arm surface quality is higher.

Drawings

Fig. 1 is a schematic structural view of a swing arm of a cab suspension of the present invention as seen from a direction.

Fig. 2 is a schematic structural view of a swing arm of a cab suspension according to the present invention viewed from another direction.

Fig. 3 is a schematic structural view of a cab suspension swing arm manufacturing apparatus of the present invention;

Detailed Description

The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The utility model discloses a driver's cabin suspension swing arm, as shown in fig. 1, including swing arm main part 10, this swing arm main part 1's lower part 11 is the cross-sectional structure of rectangle, and swing arm main part 1's upper portion 12 is the cross-sectional structure of U type, and swing arm main part 1's upper portion 12 passes through the smooth connection transition of rectangular cross section 13 with swing arm main part 1's lower part 11 junction, is provided with cylindrical structure 14 to the side in swing arm main part 1's upper portion 12.

Specifically, the swing arm main body 10 in the cab suspension swing arm of the utility model is made of A356 aluminum alloy by using a liquid die forging process, and the A356 aluminum alloy is used to replace ductile iron or steel, so that the overall weight of the suspension swing arm is reduced, the cost is lower, and the unit mileage energy consumption ratio of the whole vehicle is reduced; the liquid die forging process is a novel casting process with the advantages of high quality, high efficiency, energy conservation, low consumption, wide adaptability and the like. The process is beneficial to the solidification and the rheological generation of the metal melt in a high-strength die by external force, thereby forcibly eliminating the defects of shrinkage cavity or shrinkage porosity caused by solidification shrinkage and even generating plastic deformation. The utility model discloses an advanced casting process, its quality and performance have obtained promoting by a wide margin.

On the basis, the embodiment also provides cab suspension swing arm manufacturing equipment, which is used for manufacturing the cab suspension swing arm and manufacturing two cab suspension swing arms at one time.

Referring to fig. 2, the manufacturing apparatus of the swing arm of the cab suspension comprises a material handle portion 20 and a mold body 30 fixed on the top of the material handle portion 20 and used for manufacturing the swing arm of the cab suspension, wherein a grouting opening 21 is arranged on the material handle portion 20, and the material handle portion and the interior of the mold body 30 are both hollow cavities. The material handle part 20 and the cavity in the die body 30 are respectively communicated through a first flow passage 41 with the cavity inside.

At least one slag ladle 31 and at least one exhaust groove 32 are arranged on the parting surface of the die body 30 opposite to the material handle part 20, the insides of the slag ladle 31 and the exhaust groove 32 are cavities, and the cavities in any slag ladle 31 are communicated with the cavities in the die body 30 and communicated with the exhaust groove 32 through the cavities of the second flow passage 33.

Specifically, at least one slag ladle 31 and at least one exhaust groove 32 are arranged in the die body 30 at the upper part 12 for molding the swing arm main body 10. The cavity of any slag ladle 31 and the cavity in the die body 30 form a triangular structure.

Specifically, the material handle part 20 is a cylinder, the material handle part 20 and the first flow channel 41 are designed into a classic thick and big Y-shaped structure, the thick and big material handle part 20 can supplement the defects caused by the inside of the product, and the molten aluminum can better flow into the inside of the die body 30, so that the forming is facilitated.

More specifically, the number of the die bodies 30 is two, three slag ladles 31 and an exhaust groove 32 are arranged on the parting surface of the die body 30, opposite to the material handle part 20, of each die body 30, the three slag ladles 31 are used for facilitating better removal of air at the parting surface position of the die body 30 and residual sundries during impurity removal in production, and meanwhile, the temperature of the die can be balanced, so that serious flash and burrs on subsequent products are avoided, and defects inside the products are reduced.

In this embodiment, a whole set of mould body adopts high strength metal to make, makes inside liquid metal fills mould body 30 under pressure, guarantees that driver's cabin swing arm surface quality is higher.

The utility model also provides an application method of above-mentioned driver's cabin suspension swing arm preparation equipment:

when the aluminum liquid pouring die works, aluminum liquid is poured from the grouting opening 21 of the material handle part 20, the cab swing arm is filled through a cavity matched with the appearance of the cab suspension swing arm in the die body 30, and slag ladles 31 are arranged at the front end and the intersection of the aluminum liquid to collect cold materials and the like. When the aluminum liquid is filled to 90%, the pressure of 80-100MPa is applied, so that the aluminum liquid is sequentially solidified under high pressure, and the cab suspension swing arm with excellent performance is obtained.

Claims

1. A cab suspension swing arm comprises a swing arm main body and is characterized in that the lower portion of the swing arm main body is of a rectangular cross-sectional structure, the upper portion of the swing arm main body is of a U-shaped cross-sectional structure, and the connection position of the upper portion of the swing arm main body and the lower portion of the swing arm main body is in smooth connection and transition through a rectangular cross section; and a cylindrical structure is arranged on the side surface of the upper part of the swing arm main body.

2. A cab suspension swing arm according to claim 1, wherein said swing arm body is made of a356 aluminum alloy.

3. A cab suspension swing arm manufacturing apparatus for manufacturing the cab suspension swing arm according to claim 1 or 2, characterized in that the cab suspension swing arm manufacturing apparatus manufactures two cab suspension swing arms at a time.

4. The cab suspension swing arm manufacturing equipment according to claim 3, comprising a material handle part and a die body fixed on the top of the material handle part and used for manufacturing a cab suspension swing arm, wherein the material handle part is provided with a grouting port, the interior of the material handle part and the interior of the die body are both cavities, and the interior of the material handle part is communicated with the interior of the die body through a first flow channel with the interior being a cavity; and at least one slag ladle and at least one exhaust groove are arranged on the parting surface of the die body opposite to the material handle part, the slag ladle and the inside of the exhaust groove are cavities, and the cavity in any slag ladle is communicated with the exhaust groove through a second flow passage inside the cavity while communicated with the cavity in the die body.

5. The apparatus for manufacturing a swing arm of a cab suspension according to claim 4, wherein at least one said slag ladle and at least one said vent groove are provided at an upper portion of said swing arm main body for molding in said mold main body.

6. The manufacturing equipment of the swing arm of the cab suspension according to claim 4 or 5, wherein the cavity of any slag ladle and the cavity in the die body form a triangular structure.

7. The apparatus for manufacturing a swing arm of a cab suspension according to claim 4, wherein the first flow path and the second flow path have a rectangular cross section.

8. The apparatus of claim 4, wherein said shank portion is cylindrical.