Automatic line one-die multi-piece automobile aluminum alloy control arm die forging die

Abstract

The utility model discloses an automatic line one-die multi-piece automobile aluminum alloy control arm die forging die, which relates to the technical field of forging forming, and comprises a main body structure, the main body structure comprises a lower die ejector and an upper die, the left side and the right side of the lower die ejector are fixedly provided with four die lifting beams through bolts, and the die lifting beams are used for transferring the die. The distance between the four die lifting beams is equal to the distance between die fork arms of a die changing trolley, the lower die ejector and the upper die are connected through the upper and lower die guide columns and play a guiding role in the die heating and reinforcing process, a profiled groove is formed in the bottom of the lower die ejector, and a multi-connecting-rod ejector rod is installed in the profiled groove. The lower end of the ejector rod is connected with the ejector rod tray through a bolt, and the ejector rod can horizontally eject two products at the same time. According to the utility model, a short-process forging process combining special-shaped blank casting and die forging is met, automatic production is realized, and finally, energy conservation and environmental protection are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of forging and molding, in particular to an automatic line one-die-multiple-piece automobile aluminum alloy control arm die forging die. Background Art

[0002] The control arm of the automobile steering system is an important component in the automobile steering system. Its comprehensive mechanical properties play a vital role in vehicle safety. Therefore, the material selection and die forging process in its production process are crucial. The shape structure of the control arm includes connecting rod shape, handle shape, double pancake shape, torsion shape, bow shape and other structures. The existing control arm has casting production and forging production methods. The casting method is not easy to mass produce. The existing forging production equipment usually requires multiple sets of molds, and the investment cost is large. However, the defects of inaccurate positioning of the billet and the biased pressing of the billet will seriously affect the yield rate. Our goal is to provide a die forging die that can be quickly installed, positioned, and replaced, to meet the short-process forging process of casting special-shaped billets combined with die forging; to achieve automated production; and ultimately achieve energy saving and environmental protection. Utility Model Content

[0003] The utility model aims to provide a die forging die which can be quickly installed, positioned and replaced, so as to meet the short-process forging process of casting special-shaped blanks combined with die forging, realize automated production, and ultimately achieve energy saving and environmental protection.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: an automatic line one-mold multi-piece automotive aluminum alloy control arm forging die, including a main structure, the main structure includes a lower die ejector and an upper die, four die lifting beams are fixedly installed on the left and right sides of the lower die ejector by bolts, the die lifting beams are used for die transfer, the spacing of the four die lifting beams is the same as the distance between the die fork arms of the die changing trolley, the lower die ejector and the upper die are connected by upper and lower die guide columns, which play a guiding role in the process of die heating and reinforcement, a groove is provided at the bottom of the lower die ejector, a multi-link ejector rod is installed in the groove, a ejector tray is installed at the lower end of the ejector rod by bolt connection, the ejector rod can eject two products horizontally at the same time, and die installation guide grooves are fixedly installed in front and rear positions of the lower die ejector and the upper die, the die is installed on the equipment workbench through the die installation guide grooves, and the upper and lower die guide columns are cooperated to achieve die positioning.

[0005] Furthermore, blank positioning grooves are arranged in the cavity of the lower die ejector and the upper die to fix the blank position. At the same time, blank holding guide grooves are arranged on both sides of the lower die ejector and the upper die. The blank holding guide grooves are used for the robotic arm to clamp the blank to ensure uniform position.

[0006] Compared with the prior art, the utility model has the following beneficial effects: (1) the die forging die of the utility model can realize rapid installation, positioning and replacement of the die; (2) the die forging die is provided with a blank positioning groove, which cooperates with the robot arm to realize accurate positioning of the blank placement; effectively reducing various forging defects such as misalignment, deviation, folding, and insufficient filling; (3) the ejector tray and the lower die multi-link ejector rod are connected by bolts, and are lifted up together to realize automatic demolding of the blank; (4) a blank holding guide groove is designed on the die, so that the robot arm can quickly grab multiple pieces of formed blanks and ensure that the position of the transferred blanks is fixed. After being transferred to the next process, the position of the blank does not move, affecting the processing positioning of the subsequent process; (5) one mold with two cavities effectively improves production efficiency by more than 50%; metal utilization rate is increased by 20%; (6) replaces manual labor, reduces processing costs, ensures product quality stability, and improves the yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a front view of the aluminum alloy control arm forging die of the utility model.

[0008] Figure 2 It is a top view of the aluminum alloy control arm forging die of the utility model.

[0009] Figure numbers: 1-mould lifting beam; 2-lower mould ejector; 3-upper and lower mould guide columns; 4-upper mould; 5-ejector rod; 6-mould installation guide groove; 7-blank positioning groove; 8-blank supporting guide groove; 9-ejector rod tray. DETAILED DESCRIPTION

[0010] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0011] Example: Figure 1-Figure 2The automatic line one-mold-multiple-piece automotive aluminum alloy control arm forging die shown in the figure comprises a main structure, which comprises a lower die ejector 2 and an upper die 4. Four die lifting beams 1 are fixedly installed on the left and right sides of the lower die ejector 2 by bolts. The die lifting beams 1 are used for die transfer. The spacing between the four die lifting beams 1 is the same as the distance between the die fork arms of the die changing trolley. The lower die ejector 2 and the upper die 4 are connected by upper and lower die guide columns 3, which play a guiding role in the process of die heating and reinforcement. A groove is provided at the bottom of the lower die ejector 2, and a multi-link ejector rod 5 is installed in the groove. An ejector rod tray 9 is installed at the lower end of the ejector rod 5 by bolt connection. The ejector rod 5 can eject two products horizontally at the same time. Die mounting guide grooves 6 are fixedly installed in front and rear of the lower die ejector 2 and the upper die 4. The die is mounted on the equipment workbench through the die mounting guide grooves 6, and the upper and lower die guide columns 3 are cooperated to realize die positioning. The purpose of the utility model is to provide a die forging die for multiple automotive aluminum alloy control arms in an automated production line, which meets the short-process forging process of casting special-shaped billets combined with die forging; realize automated production; and finally achieve energy saving and environmental protection. The manufacturing process includes: heating special-shaped casting billets, pre-forging, initial forging, final forging, trimming and profiling, etc.; bending forming is generally completed in the pre-forging and initial forging processes, realizing the short-process forging process of casting special-shaped billets combined with die forging; this die structure can be used in the initial forging and final forging processes. After the upper die 4 and the lower die ejector 2 are heated to temperature by the heating furnace, the die is transferred to the equipment workbench by the die changing trolley through the clamping die lifting beam 1, and the die installation guide grooves 6 on the front and rear sides of the upper die 4 and the lower die ejector 2 cooperate with the upper and lower die guide columns 3 of the equipment workbench to complete the positioning of the die on the equipment workbench; then the upper die 4 and the lower die ejector 2 are fixed on the upper and lower workbenches of the equipment press respectively to complete the die installation; after starting production, the upper die 4 and the lower die ejector 2 are opened and lubricant is sprayed.

[0012] The blank positioning groove 7 is set in the cavity of the lower die ejector 2 and the upper die 4 to fix the blank position. At the same time, the blank holding guide groove 8 is set on both sides of the lower die ejector 2 and the upper die 4. The blank holding guide groove 8 is used for the robot arm to clamp the blank position to ensure uniformity. The robot simultaneously holds two blanks and places them in the mold or on the lower die ejector 2. The precise positioning of the blank is completed by the blank positioning groove 7 on the mold; then the robot withdraws, the upper mold 4 and the lower die ejector 2 are combined to press the blank, and after completion, the upper mold 4 and the lower die ejector 2 are opened; then the ejector cylinder of the press equipment drives the ejector tray 9 and the lower ejector rod 5 to eject the two blanks upward, and then the robot clamp extends into the mold along the blank holding guide groove 8 of the mold to clamp the two blanks at the same time, and then transfers to the next trimming process, and the forging mold completes a working cycle.

[0013] The utility model can be designed with one mold and two cavities, and can also be designed with one mold and four cavities according to the equipment space or the clamping conditions of the manipulator, thereby improving production efficiency.

Claims

1. The automatic line one-die multi-piece automotive aluminum alloy control arm forging die, including the main structure, is characterized by: The main structure comprises a lower die ejector (2) and an upper die (4). Four die lifting beams (1) are fixedly installed on the left and right sides of the lower die ejector (2). The die lifting beams (1) are used for die transfer. The spacing between the four die lifting beams (1) is the same as the distance between the die fork arms of the die changing trolley. The lower die ejector (2) and the upper die (4) are connected by upper and lower die guide columns (3), which play a guiding role in the process of die heating and reinforcement. A groove is arranged at the bottom of the lower die ejector (2). A multi-link ejector rod (5) is installed in the groove. An ejector rod tray (9) is connected to the lower end of the ejector rod (5). The ejector rod (5) can eject two products horizontally at the same time. A die installation guide groove (6) is fixedly installed in front and rear positions of the lower die ejector (2) and the upper die (4). The die is installed on the equipment workbench through the die installation guide groove (6). The upper and lower die guide columns (3) are used to realize die positioning.

2. The automatic line one-die-multiple-piece automotive aluminum alloy control arm forging die according to claim 1 is characterized in that: A blank positioning groove (7) is arranged in the cavity of the lower die ejector (2) and the upper die (4) to fix the blank position. At the same time, a blank holding guide groove (8) is arranged on both sides of the lower die ejector (2) and the upper die (4). The blank holding guide groove (8) is arranged to ensure that the position of the blank held by the robot arm is uniform.

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