Forming device and forming method for part with regular cross-section
AssigneesDalian University of Technology, Avic Manufacturing Technology Institute
InventorsKailun Zheng, Dechong Li, Lihua Du, Yujie Han
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Abstract
A forming device and a forming method for a part with a regular cross-section are provided, and relates to the technical field of metal member forming and manufacturing. A part to be formed is heated by a part heating temperature control assembly to obtain required microstructure evolution, so that the forming performance is improved. A temperature control die assembly can be heated by setting die heating assemblies, so that hot stamping, die quenching and stress relaxation can be carried out. The internal stress state of the part is controlled by an axial force control assembly.
Claims16
A forming device for a part with a regular cross-section, comprising:
- a temperature control die, comprising a first stamping die and a second stamping die, a first die heating assembly being arranged on the first stamping die and a second die heating assembly being arranged on the second stamping die;
- wherein the first stamping die and the second stamping die are arranged vertically;
- a closing driving assembly connected with at least one of the first stamping die and the second stamping die and configured for driving the first stamping die and the second stamping die to close so as to stamp a part to be formed;
- wherein the closing driving assembly is a closing press, the closing press comprises a worktable, a lifting driver, and a sliding block connected with the lifting driver, the lifting driver is located above the worktable, the second stamping die is arranged on the worktable, and the first stamping die is connected with the sliding block;
- a first cooling structure is further arranged between the first stamping die and the sliding block, and a first heat insulation structure is further arranged between the first cooling structure and the first stamping die;
- and a second cooling structure is further arranged between the second stamping die and the worktable, and a second heat insulation structure is further arranged between the second cooling structure and the second stamping die;
- a part heating temperature control assembly configured for heating the part to be formed;
- an axial force control assembly configured for applying an axial force to the part to be formed during a process of heating expansion or stamping contraction of the part to be formed, a direction of the axial force being perpendicular to a closing direction of the first stamping die and the second stamping die to adjust an internal stress of the part to be formed;
- wherein the axial force control assembly comprises a first horizontal telescopic part and a second horizontal telescopic part located on both sides of the second stamping die, and the first horizontal telescopic part and the second horizontal telescopic part are configured for both connecting with the part to be formed to achieve stress control of the part to be formed through synchronization expansion and contraction;
- wherein the axial force control assembly further comprises force sensors;
- and the force sensors are arranged on both the first horizontal telescopic part and the second horizontal telescopic part to detect the axial force of the part to be formed during the process of heating expansion or stamping contraction;
- and
- a control system in communication with the axial force control assembly, the part heating temperature control assembly, the closing driving assembly, the first die heating assembly and the second die heating assembly.
Dependencies are inferred from the claim text.