CN-122007245-A - Interlocking wedge, generation method thereof, electronic equipment and storage medium

CN122007245ACN 122007245 ACN122007245 ACN 122007245ACN-122007245-A

Abstract

The application relates to the technical field of automobile part production, in particular to an interlocking wedge, a generation method thereof, electronic equipment and a storage medium. The interlocking wedge comprises a first wedge and a second wedge, wherein the first wedge is provided with a boss structure, the boss structure extends along the cutting edge direction of the first wedge, the second wedge is provided with a groove structure matched with the boss structure in shape, the groove structure is used for accommodating the boss structure, and a fit clearance is arranged between the boss structure and the groove structure and used for limiting radial offset between the first wedge and the second wedge. The interlocking wedge provided by the application can effectively control burrs of a product and prolong the service life of the wedge cutter block when cold stamping production is carried out.

Inventors

YU WENTAO
ZHANG BAOMING
Li Zisu
GUO HONGRUI
Ning Shuanghui
REN HONGMIN
LIU DONGKUN
JIANG QIZHEN

Assignees

一汽模具制造有限公司

Dates

Publication Date: 20260512
Application Date: 20251205

Claims (10)

1. An interlocking cam, comprising: the first inclined wedge (1) is provided with a boss structure (11), and the boss structure (11) extends along the cutting edge direction of the first inclined wedge (1); The second inclined wedge (2) is provided with a groove structure (21) with the shape matched with that of the boss structure (11), and the groove structure (21) is used for accommodating the boss structure (11); and a fit clearance (3) is arranged between the boss structure (11) and the groove structure (21), and the fit clearance (3) is used for limiting radial offset between the first inclined wedge (1) and the second inclined wedge (2).
2. Interlocking wedge according to claim 1, characterized in that the first mounting surface of the first wedge (1) facing the mounting plane is arranged horizontally to the mounting plane, and the second mounting surface of the second wedge (2) facing the mounting plane is arranged at a preset angle to the mounting plane, so that the direction of the clamping movement of the second wedge (2) relative to the first wedge (1) is an oblique direction of the preset angle.
3. Interlocking cam according to claim 2, characterized in that the fit-in gap (3) is also used to form a guide when the first cam (1) and the second cam (2) perform the clamping movement, the fit-in gap (3) being 1 mm-2 mm.
4. Interlocking wedge according to claim 2, characterized in that the first wedge (1) and the second wedge (2) are formed with a first step (12) and a second step (22) respectively, the first step (12) and the second step (22) cooperate with each other after the first wedge (1) and the second wedge (2) are clamped, so as to limit the relative displacement of the first wedge (1) and the second wedge (2) in the direction of the clamping movement.
5. Interlocking wedge according to claim 4, wherein the height of the first step (12) and the second step (22) is not less than 2mm.
6. Interlocking wedge according to claim 2, characterized in that the first wedge (1) has a first stroke in a direction perpendicular to the mounting plane and the second wedge (2) has a second stroke in a direction perpendicular to the mounting plane, the first wedge (1) and the second wedge (2) coinciding at bottom dead centre; the bottom dead center is the position when the cutting edges of the first inclined wedge (1) and the second inclined wedge (2) reach the maximum stroke at the same time.
7. The method for generating the interlocking wedge is characterized by comprising the following steps of: analyzing the movement relation and the stress condition of the first wedge and the second wedge; Determining a layout mode between the first wedge and the second wedge based on the motion relation and the stress condition; Determining a preset inclination angle and a preset installation position of the first inclined wedge and the second inclined wedge relative to an installation plane according to the design requirement of a target process; Determining a three-dimensional model of the first wedge and the second wedge based on the preset inclination angle and the installation position, and analyzing a motion track between the first wedge and the second wedge in a preset simulation environment; Performing structural optimization on the three-dimensional model based on the motion trail, and generating an optimized three-dimensional model; And generating the interlocking wedge based on the optimized three-dimensional model.
8. The method for generating an interlocking wedge according to claim 7, wherein the performing structural optimization on the three-dimensional model based on the motion trajectory and generating an optimized three-dimensional model includes: forming a boss structure on the first wedge and a groove structure on the second wedge based on the motion trail; and generating an optimized three-dimensional model based on the first wedge, the boss structure, the second wedge and the groove structure.
9. An electronic device comprising a memory and a processor, the memory storing a computer program, the processor implementing the method of generating an interlocking wedge as claimed in claims 7-8 when executing the program.
10. A computer readable storage medium having stored thereon computer instructions for causing a computer to perform the method of generating an interlocking wedge as claimed in claims 7-8.

Description

Interlocking wedge, generation method thereof, electronic equipment and storage medium Technical Field The application relates to the technical field of automobile part production, in particular to an interlocking wedge, a generation method of the interlocking wedge, electronic equipment and a computer readable storage medium. Background In the cold stamping production process of automobile panel, for parts with complex curved surfaces or flanging, a plurality of inclined wedges with different angles are generally required to drive the trimming cutter block so as to realize sequential or cooperative trimming operation from different directions. When the trimming tracks of two wedges are adjacent or intersect, a "knife receiving zone" is formed and this zone is critical to the trimming quality and the stability of the die operation. In the related art, the design of the cutting area between two inclined wedges generally depends on the experience of a designer, and in order to avoid interference, the preset inclined wedges avoid the excessive space clearance, so that the cutting of the cutting block cut first can be completed by the excessive amount of engagement, the trimming resistance can be increased, the deformation of the plate and the increase of burrs are easily caused, and meanwhile, the abrasion influence on the cutting edge is extremely large. Disclosure of Invention The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides the interlocking wedge, and the cold stamping production by utilizing the interlocking wedge provided by the application can effectively control burrs of a product and prolong the service life of the wedge cutter block. The embodiment of the application provides an interlocking wedge which comprises a first wedge, a second wedge and a groove structure, wherein the first wedge is provided with a boss structure, the boss structure extends along the cutting edge direction of the first wedge, the second wedge is provided with the groove structure which is matched with the boss structure in shape and is used for accommodating the boss structure, and a fit clearance is arranged between the boss structure and the groove structure and is used for limiting radial offset between the first wedge and the second wedge. In some embodiments, the first installation surface of the first wedge facing the installation plane is horizontally arranged with the installation plane, and the second installation surface of the second wedge facing the installation plane forms a preset included angle with the installation plane, so that the direction of the mold closing movement of the second wedge relative to the first wedge is an inclined direction of the preset included angle. In some embodiments, the mating clearance is also used to form a guide during the clamping movement of the first cam and the second cam, the mating clearance being 1 mm-2 mm. In some embodiments, the first wedge and the second wedge are respectively formed with a first step and a second step, and the first step and the second step are matched with each other after the first wedge and the second wedge are clamped so as to limit the relative displacement of the first wedge and the second wedge along the moving direction of the clamping. In some embodiments, the height of the first step and the second step is not less than 2mm. In some embodiments, the first wedge has a first stroke in a direction perpendicular to the mounting plane, the second wedge has a second stroke in a direction perpendicular to the mounting plane, the first wedge and the second wedge coincide at a bottom dead center, wherein the bottom dead center is a position where the cutting edges of the first wedge and the second wedge reach a maximum stroke at the same time. The method for generating the interlocking wedge comprises the steps of analyzing the motion relation and the stress condition of a first wedge and a second wedge, determining the layout mode between the first wedge and the second wedge based on the motion relation and the stress condition, determining the preset inclination angle and the installation position of the first wedge and the second wedge relative to an installation plane according to the design requirement of a target process, determining the three-dimensional model of the first wedge and the second wedge based on the preset inclination angle and the installation position, analyzing the motion track between the first wedge and the second wedge in a preset simulation environment, performing structural optimization on the three-dimensional model based on the motion track, generating an optimized three-dimensional model, and generating the interlocking wedge based on the optimized three-dimensional model. In some embodiments, the method comprises the steps of performing structural optimization on the three-dimensional model based on the motion trail, and generat