CN-122007276-A - Bending equipment

CN122007276ACN 122007276 ACN122007276 ACN 122007276ACN-122007276-A

Abstract

The invention relates to the technical field of automatic processing equipment, in particular to bending equipment which comprises a frame, a first bending unit and a second bending unit, wherein the first bending unit is arranged on the frame and is provided with at least one first bending part, the first bending part is arranged in a lifting mode along a first direction and is configured to receive a flexible structure and lift up a first bending position of the flexible structure so that the flexible structure forms the first bending structure at the first bending position, the second bending unit is arranged on the frame and is provided with at least one second bending part, and the second bending part is arranged in a translation mode along a second direction and is configured to receive the flexible structure from the first bending unit and push the flexible structure to be close to the second bending position so that the flexible structure forms the second bending structure at the second bending position. The invention mainly aims to provide bending equipment which aims to realize secondary bending of a flexible structure.

Inventors

WEN JIE
WEI ZHENGWEI
JIANG LONG
LI CHAOQIANG
LIU CHUNFANG

Assignees

歌尔股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260407

Claims (10)

1. A bending apparatus for bending a flexible structure, the flexible structure having a first bending position and a second bending position to be bent, the bending apparatus comprising: A frame; the first bending unit is arranged on the frame and is provided with at least one first bending part which is arranged in a lifting manner along a first direction and is configured to receive the flexible structure and lift the first bending position of the flexible structure so as to enable the flexible structure to form a first bending structure at the first bending position, and The second bending unit is arranged on the frame and is provided with at least one second bending part, the second bending part is horizontally arranged along a second direction and is configured to receive the flexible structure from the first bending unit and push the flexible structure to be close to the position of the second bending position so that the flexible structure forms a second bending structure at the second bending position; wherein the first direction intersects the second direction.
2. The bending apparatus according to claim 1, wherein the first bending unit includes a first upper bending die and a first lower bending die, the first upper bending die being movably disposed along the first direction, the first upper bending die and the first lower bending die being aligned along the first direction, the first upper bending die being provided with first bending forming portions provided with bending-shaped grooves of which the number is adapted to that of the first bending portions, the first lower bending die being provided with first bending stages and the first bending portions, the first bending portions being liftably disposed in the first bending stages along the first direction, each of the bending-shaped grooves being aligned along the first direction with one of the first bending portions, the first bending stages facing a surface of the first upper bending die for receiving the flexible structure; each first bending part can be spliced and matched with one bending imitation groove, so that two side part structures of the flexible structure at each first bending position can be spliced with the groove wall of one bending imitation groove.
3. The bending apparatus according to claim 2, wherein the first bending lower die further comprises a first bending block, the first bending platform has a first accommodating space and a jacking channel communicating with the first accommodating space, the first bending block comprises a first body and a jacking arm which are mutually connected, the end of the jacking arm away from the first body is provided with the first bending part, the first body is arranged in the first accommodating space in a liftable manner, and the jacking arm is arranged in the jacking channel in a liftable manner, so that the jacking channel can be exposed by the first bending part to be in plug-in fit with the bending imitation groove.
4. The bending apparatus according to claim 3, wherein a cross section of the first bending portion gradually increases in a direction from approaching the first bending upper die to separating from the first bending upper die, the end portion of the first bending portion approaching the first bending upper die forming a first bending end for lifting up a first bending position of the flexible structure so that both side portions of the flexible structure at the first bending position are in contact with a groove wall of the bending-shaped groove; wherein, the shape of the bending imitation groove is adapted to the shape of the first bending part.
5. The bending apparatus according to any one of claims 2 to 4, wherein the second bending unit includes a second bending upper die and a second bending lower die, the second bending upper die being disposed movably in the first direction, the second bending upper die and the second bending lower die being disposed in alignment in the first direction; The second bending upper die is provided with bending forming protrusions, the number of the bending forming protrusions is matched with that of the second bending parts, a bending forming wall is arranged on the outer surface of each bending forming protrusion, the second bending lower die is provided with a second bending platform and a second bending part, the second bending parts are exposed out of the second bending platform, the second bending parts can move along the second direction close to or far away from the bending forming walls, and the surface of the second bending platform facing the second bending upper die is used for receiving a flexible structure from the first bending unit; Each second bending part can drive a part of the flexible structure between the first bending position and the second bending position to rotate, so that the structure of the flexible structure between the first bending position and the second bending position can be attached to one bending forming wall.
6. The bending apparatus according to claim 5, wherein the second bending lower die further comprises a second bending block, the second bending stage has a second accommodating space and a moving channel communicating with the second accommodating space, the second bending block comprises a second body and a pushing arm which are connected to each other, the end of the pushing arm away from the second body has the second bending portion, the second body is translatably disposed in the second accommodating space, the pushing arm is translatably disposed in the moving channel, and the second bending portion exposes the moving channel.
7. The bending apparatus according to claim 6, wherein the cross section of the second bending portion gradually decreases in a direction from approaching the second bending stage to departing from the second bending stage, an end of the second bending portion departing from the second bending stage forming a second bending end, the end of the second bending portion approaching the second bending stage and facing the bending forming protrusion being provided with a second bending groove; the cross section of the bending forming bulge gradually becomes smaller along the direction from the position close to the second bending platform to the position far away from the second bending platform so as to form the bending forming wall; When the second bending part moves along the second direction and is close to the bending forming protrusion, the second bending end can drive the part of the flexible structure between the first bending position and the second bending position to rotate, and the second bending groove can be in plug-in fit with the end part of the bending forming protrusion, which is close to the second bending platform.
8. The bending apparatus according to claim 7, wherein the flexible structure further comprises a fixing section, the first bending position, the second bending position, and the fixing section are arranged along the second direction, and the first bending position is away from the fixing section compared with the second bending position, and the first bending forming portion is further provided with a first bending press portion, the bending forming protrusion is provided with a second bending press portion, the first bending press portion is disposed facing the first bending platform, the second bending press portion is disposed facing the second bending platform, and the first bending press portion and the second bending press portion are both configured to abut against the fixing section, so that the fixing section can be respectively fixed on the first bending platform and the second bending platform.
9. The bending apparatus according to claim 5, wherein the outer surface of the first bending stage is provided with a plurality of first limiting projections, the outer surface of the second bending stage is provided with a plurality of second limiting projections, the plurality of first limiting projections are arranged around the first bending portion to form a first bending station, and the plurality of second limiting projections are arranged around the second bending portion to form a second bending station; the first bending station and the second bending station are both used for limiting the flexible structure.
10. The bending apparatus of claim 1, further comprising a flow module comprising a loading handling module, a first transfer tool, a bending handling module, a second transfer tool, and a blanking handling module; The feeding and carrying module is configured to transfer the flexible structure to the first transfer tool; the first transfer tool is configured to receive the flexible structure from the loading handling module; The bending and carrying module is configured to sequentially transfer the flexible structure positioned on the first transferring tool to the first bending unit, the second bending unit and the second transferring tool; The blanking handling module is configured to transfer the flexible structure located on the second transfer tool.

Description

Bending equipment Technical Field The invention relates to the technical field of automatic processing equipment, in particular to bending equipment. Background The centering support piece is used as one of core vibration components of a loudspeaker (commonly called a loudspeaker), and has the main effects of ensuring that a voice coil accurately moves axially in a magnetic gap of a magnetic circuit system, preventing transverse displacement and playing a vital role in the acoustic performance and the power bearing capacity of the loudspeaker. With the continuous improvement of the requirements of the consumer electronics field on the quality of sound experience, in order to optimize the acoustic performance and the utilization rate of the assembly space of the speaker, the centering support piece often needs to be bent into a specific angle or a curved surface structure in advance so as to meet the functional requirements of product design. In practical applications, the structure to be bent into a specific angle or curved surface is not limited to the centering support, and various flexible structural members (such as flexible wire bodies, flexible flat cables, flexible circuit boards, etc.) are also subject to bending requirements in electronic products. Disclosure of Invention The invention mainly aims to provide bending equipment which aims to realize secondary bending of a flexible structure. In order to achieve the above object, the bending apparatus according to the present invention is used for bending a flexible structure, the flexible structure having a first bending position and a second bending position to be bent, the bending apparatus including: A frame; the first bending unit is arranged on the frame and is provided with at least one first bending part which is arranged in a lifting manner along a first direction and is configured to receive the flexible structure and lift the first bending position of the flexible structure so as to enable the flexible structure to form a first bending structure at the first bending position, and The second bending unit is arranged on the frame and is provided with at least one second bending part, the second bending part is horizontally arranged along a second direction and is configured to receive the flexible structure from the first bending unit and push the flexible structure to be close to the position of the second bending position so that the flexible structure forms a second bending structure at the second bending position; wherein the first direction intersects the second direction. In an embodiment of the present invention, the first bending unit includes a first bending upper die and a first bending lower die, the first bending upper die is movably disposed along the first direction, the first bending upper die and the first bending lower die are aligned along the first direction, the first bending upper die is provided with first bending forming portions, the first bending forming portions are provided with bending imitation grooves with the number matched with that of the first bending portions, the first bending lower die is provided with a first bending platform and a first bending portion, the first bending portion is liftably disposed in the first bending platform along the first direction, each bending imitation groove is aligned with one first bending portion along the first direction, and a surface of the first bending platform facing the first bending upper die is used for receiving the flexible structure; each first bending part can be spliced and matched with one bending imitation groove, so that two side part structures of the flexible structure at each first bending position can be spliced with the groove wall of one bending imitation groove. In an embodiment of the invention, the first bending lower die further comprises a first bending block, the first bending platform is provided with a first accommodating space and a jacking channel communicated with the first accommodating space, the first bending block comprises a first main body and a jacking arm which are mutually connected, the end part, far away from the first main body, of the jacking arm is provided with the first bending part, the first main body is arranged in the first accommodating space in a lifting manner, and the jacking arm is arranged in the jacking channel in a lifting manner, so that the jacking channel can be exposed by the first bending part to be in plug-in fit with the bending imitation groove. In an embodiment of the present invention, a cross section of the first bending portion gradually increases along a direction from approaching the first bending upper die to separating from the first bending upper die, an end portion of the first bending portion, which is approaching the first bending upper die, forms a first bending end, and the first bending end is used for lifting a first bending position of the flexible structure, so that part structures at two