CN108608172B - Machining process for machining spinning integrated aluminum alloy automobile wheel - Google Patents

Abstract

The invention relates to a processing technology for processing a spinning integrated aluminum alloy automobile wheel, which comprises the following steps: blanking, processing a locating hole, carrying out first spinning, second spinning and third spinning, finally forming an aluminum alloy round cake material into an integrated aluminum alloy automobile wheel after three spinning processes, and then carrying out a heat treatment process, a machining process, a polishing process and a checking process on the formed aluminum alloy automobile wheel in sequence. The aluminum plate is integrally spun into the integrated aluminum alloy wheel blank through a plurality of spinning procedures by utilizing the integral aluminum plate spinning technology, and the production process is short; the production efficiency is high; high yield and low cost.

Description

A processing technology for processing spinning integrated aluminum alloy automobile wheel

technical field

The present invention relates to the processing field of automobile wheels, in particular to a processing technology for processing spinning integral aluminum alloy automobile wheels, and in particular to an aluminum alloy automobile which is used for trucks and large and medium-sized passenger cars and meets the requirements of light weight Wheel processing technology.

Background technique

The lightweight of automobiles has become the development theme of trucks and large and medium-sized buses. Aluminum alloy automobile wheels have gradually replaced steel wheels due to their light weight, high thermal conductivity, good strength and beautiful appearance. At present, aluminum alloy wheels of large and medium-sized passenger cars have become the main development trend, and trucks are gradually adopting aluminum alloy wheels instead of steel wheels.

However, the existing production methods of aluminum alloy wheels mainly include casting process aluminum alloy wheels, forging process aluminum alloy wheels, and forging and spinning process aluminum alloy wheels. Regardless of the production process, the biggest problems are: large equipment investment, many production links, low production efficiency, and high product cost.

Contents of the invention

The object of the present invention is to address the above-mentioned defects, to provide a processing technology for processing and spinning integrated aluminum alloy automobile wheels, aiming at overcoming the complex production process, Low production efficiency and large investment in equipment and other defects.

In order to achieve the above-mentioned purpose of the invention, the technical scheme that takes is as follows:

A processing technology for processing a spinning integrated aluminum alloy automobile wheel, comprising the following steps:

S1: cutting

The diameter is D, the thickness is δ, and the aluminum alloy round cake material 101 whose material is 6061T6 is used as the blank of the automobile wheel, wherein the thickness δ of the aluminum plate is determined according to the thickness H of the flange surface of the produced automobile wheel and the machining allowance. Generally δ=H+(2-4)mm; the diameter D is converted according to the volume of the automobile wheel blank. If the volume of the automobile wheel blank is V, the diameter D of the aluminum plate with a thickness of δ is:

S2: Machining positioning holes

A positioning hole 102 is processed in the center of the aluminum alloy round cake material 101, and the positioning hole is used for positioning during the entire spinning process;

S3: Spinning for the first time

The round cake material processed in step S2 is placed on the first spinning machine, and the first semi-finished blank 103 having the wheel flange surface and the spoke portion is processed by one-time spinning;

Wherein, the flange surface of the wheel is a plane with a positioning hole in its center, and the spoke portion is an arc portion and transitionally connected with the flange surface of the wheel;

S4: The second spinning

The first semi-finished blank 103 processed in step S3 is placed on the second spinning machine, and the second semi-finished blank 104 having the outer rim portion, the outer bead seat portion and the outer hump portion is processed by one-time spinning;

Wherein, the outer side wall of the outer rim part protrudes obliquely upward from the end of the outer side wall of the spoke part in a direction away from the outer side wall of the spoke part, and the inner side wall of the outer rim part is the end of the inner side wall of the spoke part projecting in a direction away from the inner sidewall of the spoke portion;

The outer side wall of the outer bead seat part is recessed from the end of the outer side wall of the outer rim part in a direction away from the outer side wall of the outer rim part, and the inner side wall of the outer bead seat part is based on the inner side wall of the outer rim part. The end protrudes away from the inner side wall of the outer rim portion;

The outer sidewall of the outer hump is protruding from the end of the outer sidewall of the outer bead seat in a direction away from the outer sidewall of the outer bead seat, and the inner sidewall of the outer hump is from the inner side of the outer bead seat The end of the wall is recessed in a direction away from the inner side wall of the outer bead seat;

S5: The third spinning

The second semi-finished blank 104 processed in step S4 is placed on the third spinning machine, and the final shape with the wheel well part, rim part, inner hump part, inner bead seat part and inner rim part is processed by one-time spinning aluminum alloy car wheels;

Wherein, the outer sidewall of the wheel well is recessed from the end of the outer sidewall of the outer hump in a direction away from the outer sidewall of the outer hump, and the inner sidewall of the wheel well is formed from the inner sidewall of the outer hump. The end protrudes away from the inner wall of the outer hump;

The outer wall of the rim portion is recessed from the end of the outer wall of the wheel well in a direction away from the outer wall of the wheel well, and the inner wall of the rim portion is away from the outer wall of the wheel well from the end The direction of the inner wall of the well is convex;

The outer side wall of the inner hump is protruding from the end of the outer side wall of the rim part in a direction away from the outer side wall of the rim part, and the inner side wall of the inner hump part is away from the rim from the end of the inner side wall of the rim part The direction of the inner side wall is convex;

The outer side wall of the inner bead seat portion protrudes from the end of the outer side wall of the inner hump portion in a direction away from the outer side wall of the inner hump portion, and the inner side wall of the inner bead seat portion is formed by the inner side wall of the inner hump portion The end of the protrudes away from the inner wall of the inner hump;

The outer side wall of the inner rim portion is protruded from the end of the outer side wall of the inner bead seat portion in a direction away from the outer side wall of the inner bead seat portion, and the inner side wall of the inner rim portion is formed by the outer side wall of the inner bead seat portion. The end of the inner sidewall of the inner bead seat protrudes away from the inner sidewall of the inner bead seat.

Further, the aluminum alloy automobile wheel formed by spinning in step S5 is subsequently subjected to a heat treatment process, a machining process, a polishing process and an inspection process.

Beneficial effects of the present invention: the present invention utilizes the integral spinning technology of the aluminum plate, and through several spinning processes, the aluminum plate is integrally spun into an integrated aluminum alloy wheel blank, which has the advantages of short production process, high production efficiency, and high process yield. The characteristics of low product cost.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 is a blank structure diagram in the step S2 involved in the process of processing the spinning integrated aluminum alloy automobile wheel of the present invention;

Fig. 2 is a structural schematic diagram of the first semi-finished blank in step S3 involved in the processing technology of processing the spinning integrated aluminum alloy automobile wheel of the present invention;

Fig. 3 is a schematic structural view of the second semi-finished blank in step S4 involved in the processing technology of processing the spinning integrated aluminum alloy automobile wheel of the present invention;

Fig. 4 is a schematic structural view of the formed aluminum alloy automobile wheel in step S5 involved in the process of processing the spinning integral aluminum alloy automobile wheel according to the present invention.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

A processing technology for processing a spinning integrated aluminum alloy automobile wheel, comprising the following steps:

S1: cutting

The diameter is D, the thickness is δ, and the aluminum alloy round cake material 101 whose material is 6061T6 is used as the blank of the automobile wheel, wherein the thickness δ of the aluminum plate is determined according to the thickness H of the flange surface of the produced automobile wheel and the machining allowance. Generally δ=H+(2-4)mm; the diameter D is converted according to the volume of the automobile wheel blank. If the volume of the automobile wheel blank is V, the diameter D of the aluminum plate with a thickness of δ is:

S2: Machining positioning holes

A positioning hole 102 is processed in the center of the aluminum alloy round cake material 101, and the positioning hole is used for positioning during the entire spinning process;

The aluminum alloy round cake material 101 and positioning holes 102 involved in the above steps are shown in FIG. 1 .

S3: Spinning for the first time

The round cake material processed in step S2 is placed on the first spinning machine, and the first semi-finished blank 103 having the wheel flange surface 1 and the spoke portion 2 is processed by one-time spinning, as shown in Figure 2;

Wherein, the wheel flange surface 1 is a plane with a positioning hole 102 in its center, and the spoke portion 2 is an arc portion and transitionally connected with the wheel flange surface 1;

S4: The second spinning

The first semi-finished blank 103 processed in step S3 is placed on the second spinning machine, and the second semi-finished blank 104 having the outer rim portion 3, the outer bead seat portion 4 and the outer hump portion 5 is produced by one-time spinning, such as As shown in Figure 3;

Wherein, the outer wall of the outer rim portion 3 protrudes obliquely upwards from the end of the outer wall of the spoke portion 2 in a direction away from the outer wall of the spoke portion 2, and the inner wall of the outer rim portion 3 is formed by the spoke portion 2 The end of the inner wall protrudes away from the inner wall of the spoke portion 2;

The outer sidewall of the outer bead seat part 4 is recessed from the end of the outer sidewall of the outer rim part 3 in a direction away from the outer sidewall of the outer rim part 3, and the inner sidewall of the outer bead seat part 4 is formed by the outer sidewall of the outer rim part 3. The end of the inner wall of the part 3 protrudes away from the inner wall of the outer rim part 3;

The outer side wall of the outer hump portion 5 is protruded from the end of the outer side wall of the outer bead seat portion 4 in a direction away from the outer side wall of the outer bead seat portion 4, and the inner side wall of the outer hump portion 5 is formed by the outer side wall of the outer bead seat portion 4. The end of the inner wall of the bead seat 4 is sunken in a direction away from the inner wall of the outer bead seat 4;

S5: The third spinning

The second semi-finished blank 104 processed in step S4 is placed on the third spinning machine, and one-time spinning is processed to have the wheel well part 6, the rim part 7, the inner hump part 8, the inner bead seat part 9 and the inner rim The final formed aluminum alloy automobile wheel of part 10, as shown in Figure 4;

Wherein, the outer sidewall of the wheel well part 6 is recessed from the end of the outer sidewall of the outer hump part 5 in a direction away from the outer sidewall of the outer hump part 5, and the inner sidewall of the wheel well part 6 is formed by the outer hump part. The end of the inner wall of the part 5 protrudes away from the inner wall of the outer hump part 5;

The outer wall of the rim portion 7 is recessed from the end of the outer wall of the wheel well portion 6 in a direction away from the outer wall of the wheel well portion 6, and the inner wall of the rim portion 7 is formed by the inner wall of the wheel well portion 6. The end of the wheel well protrudes away from the inner wall of the wheel well portion 6;

The outer wall of the inner hump portion 8 is protruded from the end of the outer wall of the rim portion 7 in a direction away from the outer wall of the rim portion 7, and the inner wall of the inner hump portion 8 is formed by the inner wall of the rim portion 7. The end of the rim protrudes away from the inner wall of the rim portion 7;

The outer wall of the inner bead seat portion 9 is protruded from the end of the outer wall of the inner hump portion 8 in a direction away from the outer wall of the inner hump portion 8, and the inner wall of the inner bead seat portion 9 is formed by the inner wall of the inner hump portion 8. The end of the inner wall of the hump portion 8 protrudes away from the inner wall of the inner hump portion 8;

The outer sidewall of the inner rim part 10 is protruded from the end of the outer sidewall of the inner bead seat part 9 in a direction away from the outer sidewall of the inner bead seat part 9, and the inner sidewall of the inner rim part 10 is based on the The end of the inner wall of the inner bead seat 9 protrudes in a direction away from the inner wall of the inner bead seat 9 .

In order to improve the performance of the aluminum alloy automobile wheel, in the present invention, the aluminum alloy automobile wheel formed by spinning in step S5 is subsequently subjected to a heat treatment process, a machining process, a polishing process and an inspection process.

The invention utilizes the overall spinning technology of the aluminum plate, through several spinning processes, the aluminum plate is integrally spun into an integrated aluminum alloy wheel blank, which has the characteristics of short production process, high production efficiency, high process yield and low product cost.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (2)

1. A processing technology for processing spinning integrated aluminum alloy automobile wheel, is characterized in that, comprises the following steps: S1: cutting Selecting diameter is D, thickness is δ, and material is the aluminum alloy round cake (101) of 6061T6 as the raw material of automobile wheel, and wherein, the thickness δ of aluminum plate is according to the flange surface thickness H of the produced automobile wheel and machining allowance Determined, generally δ=H+(2-4)mm; the diameter D is converted according to the volume of the automobile wheel blank. If the volume of the automobile wheel blank is V, the diameter D of the aluminum plate with a thickness of δ is:

S2: Machining positioning holes Machining a positioning hole (102) at the center of the aluminum alloy round cake material (101), the positioning hole is used for positioning during the entire spinning process; S3: Spinning for the first time The round cake material processed in step S2 is placed on the first spinning machine, and the first semi-finished blank (103) having the wheel flange surface and the spoke portion is processed by one-time spinning; Wherein, the flange surface of the wheel is a plane with a positioning hole in its center, and the spoke portion is an arc portion and transitionally connected with the flange surface of the wheel; S4: The second spinning The first semi-finished blank (103) processed in step S3 is placed on the second spinning machine, and the second semi-finished blank (104) having the outer rim portion, the outer bead seat portion and the outer hump portion is processed by one-time spinning; Wherein, the outer side wall of the outer rim part protrudes obliquely upward from the end of the outer side wall of the spoke part in a direction away from the outer side wall of the spoke part, and the inner side wall of the outer rim part is the end of the inner side wall of the spoke part projecting in a direction away from the inner sidewall of the spoke portion; The outer sidewall of the outer bead seat part is recessed from the end of the outer sidewall of the outer rim part in a direction away from the outer sidewall of the outer rim part, and the inner sidewall of the outer bead seat part is based on the inner sidewall of the outer rim part. The end protrudes away from the inner side wall of the outer rim portion; The outer sidewall of the outer hump is protruding from the end of the outer sidewall of the outer bead seat in a direction away from the outer sidewall of the outer bead seat, and the inner sidewall of the outer hump is from the inner side of the outer bead seat The end of the wall is recessed in a direction away from the inner side wall of the outer bead seat; S5: The third spinning The second semi-finished blank (104) processed in step S4 is placed on the third spinning machine, and a wheel well portion, a rim portion, an inner hump portion, an inner bead seat portion and an inner rim portion are processed by one-time spinning The final formed aluminum alloy car wheel; Wherein, the outer sidewall of the wheel well is recessed from the end of the outer sidewall of the outer hump in a direction away from the outer sidewall of the outer hump, and the inner sidewall of the wheel well is formed from the inner sidewall of the outer hump. The end protrudes away from the inner wall of the outer hump; The outer wall of the rim portion is recessed from the end of the outer wall of the wheel well in a direction away from the outer wall of the wheel well, and the inner wall of the rim portion is away from the outer wall of the wheel well from the end The direction of the inner wall of the well is convex; The outer side wall of the inner hump is protruding from the end of the outer side wall of the rim part in a direction away from the outer side wall of the rim part, and the inner side wall of the inner hump part is away from the rim from the end of the inner side wall of the rim part The direction of the inner side wall is convex; The outer side wall of the inner bead seat portion protrudes from the end of the outer side wall of the inner hump portion in a direction away from the outer side wall of the inner hump portion, and the inner side wall of the inner bead seat portion is formed by the inner side wall of the inner hump portion The end of the protrudes away from the inner wall of the inner hump; The outer side wall of the inner rim portion is protruded from the end of the outer side wall of the inner bead seat portion in a direction away from the outer side wall of the inner bead seat portion, and the inner side wall of the inner rim portion is formed by the outer side wall of the inner bead seat portion. The end of the inner sidewall of the inner bead seat protrudes away from the inner sidewall of the inner bead seat. 2. A kind of processing technology for processing spinning integrated aluminum alloy automobile wheels according to claim 1, characterized in that, the aluminum alloy automobile wheels formed by spinning in the step S5 are followed by heat treatment process and machining process in sequence , Polishing process and inspection process.

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