CN-121972585-A - Bending method and bending equipment

CN121972585ACN 121972585 ACN121972585 ACN 121972585ACN-121972585-A

Abstract

The invention relates to the technical field of automatic processing equipment, in particular to a bending method and bending equipment, wherein the method provides the bending equipment, the bending equipment comprises a first bending unit and a second bending unit, the first bending unit is provided with a first bending part, the second bending unit is provided with a second bending part, and the method comprises the following steps of transferring a flexible structure to the first bending unit; the method comprises the steps of driving a first bending part to perform lifting movement along a first direction so as to lift a first bending position of a flexible structure, enabling the flexible structure to form the first bending structure at the first bending position, transferring the flexible structure subjected to first bending to a second bending unit, driving a second bending part to perform translational movement along a second direction, and pushing 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 a bending method which aims to realize secondary bending of a flexible structure.

Inventors

WEN JIE
LI CHAOQIANG
JIANG LONG
WEI ZHENGWEI
LIU CHUNFANG

Assignees

歌尔股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260407

Claims (10)

1. A bending method for bending a flexible structure, the flexible structure having a first bending position and a second bending position to be bent, characterized in that a bending apparatus is provided, the bending apparatus comprising a first bending unit having a first bending portion and a second bending unit having a second bending portion, the bending method comprising: Transferring the flexible structure to the first bending unit; driving the first bending part to perform lifting movement along a first direction so as to lift a first bending position of the flexible structure, so that the flexible structure forms a first bending structure at the first bending position; transferring the flexible structure subjected to the first bending to the second bending unit; driving the second bending part to do translational motion along a second direction so as to 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 method according to claim 1, wherein the first bending unit includes a first bending upper die and a first bending lower die, the first bending upper die is provided with a bending imitation groove, the first bending lower die is provided with the first bending portion, the first bending portion is driven to perform a lifting motion along a first direction so as to lift a first bending position of the flexible structure, so that the flexible structure forms a first bending structure at the first bending position, and the step of forming the first bending structure includes: Driving the first bending upper die to move towards the first bending lower die along the first direction, and closing the first bending lower die; The first bending part is driven to lift towards the bending profiling groove along the first direction so as to drive the first bending position of the flexible structure to enter the bending profiling groove, so that part of the structures on two sides of the first bending position of the flexible structure are attached to the groove wall of the bending profiling groove, and the first bending structure is formed.
3. The bending method according to claim 2, wherein the first bending lower die is provided with a first bending platform, a first bending block and a first driving piece, an output end of the first driving piece is connected with the first bending block, an upper surface of the first bending platform is used for bearing the flexible structure, the first bending block is movably arranged in the first bending platform along the first direction, the end, close to the bending imitation groove, of the first bending block is provided with the first bending part, and the step of driving the first bending part to lift towards the bending imitation groove along the first direction so as to drive a first bending position of the flexible structure to enter the bending imitation groove comprises the following steps: the first driving piece is controlled to drive the first bending block to lift up along the first direction, so that the first bending part is exposed from the first bending platform and lifts up the first bending position of the flexible structure until the first bending part is in plug-in connection with the bending imitation groove, and part of structures on two sides of the first bending position of the flexible structure are pressed on the groove walls of the bending imitation groove to form the first bending structure.
4. The bending method according to claim 3, wherein the first bending upper die further comprises a first displacement detection module, the first displacement detection module comprises a first displacement sensor and a first detection member, the first displacement sensor and the first detection member are arranged on the first bending upper die at intervals along the first direction, the first detection member is movably arranged along the first direction, the first driving member is controlled to drive the first bending block to lift along the first direction, and before the step of exposing the first bending part from the first bending platform and lifting the first bending position of the flexible structure, the bending method further comprises: After the first bending upper die and the first bending lower die are clamped, a first actual distance value of the first detection piece relative to the first displacement sensor after being lifted by the flexible structure is obtained; And when the first actual distance value is in a preset range, generating and transmitting a jacking signal to the first driving piece.
5. The bending method according to any one of claims 1 to 4, wherein the second bending unit includes a second bending upper die and a second bending lower die, the second bending upper die is provided with a bending forming protrusion, the second bending unit has the second bending portion, and the step of driving the second bending portion to perform a translational motion along a second direction so as to push the flexible structure to a position close to the second bending position, so that the flexible structure forms a second bending structure at the second bending position includes: driving the second bending upper die to move towards the second bending lower die along the first direction, and closing the second bending lower die; The second bending part is driven to move towards the bending forming protrusion along the second direction so as to drive the part, located between the first bending position and the second bending position, of the flexible structure to rotate towards the bending forming protrusion, so that the part, located between the first bending position and the second bending position, of the flexible structure can be attached to the outer surface of the bending forming protrusion, and the flexible structure is in the second bending position to form the second bending structure.
6. The bending method according to claim 5, wherein the second bending lower die is provided with a second bending platform, a second bending block and a second driving member, an output end of the second driving member is connected with the second bending block, an upper surface of the second bending platform is used for bearing the flexible structure after being bent once, the second bending block is movably arranged in the second bending platform along the second direction, an end part, close to the bending forming protrusion, of the second bending block is provided with the second bending part, and the second bending part is driven to move towards the bending forming protrusion along the second direction so as to drive a part, located between the first bending position and the second bending position, of the flexible structure to rotate towards the bending forming protrusion, and the bending method comprises the following steps: the second driving piece is controlled to drive the second bending block to move towards the bending forming protrusion along the second direction, so that the end part of the second bending part, which is far away from the second bending platform, can be abutted against the flexible structure, and the part, which is positioned between the first bending position and the second bending position, of the flexible structure is driven to rotate towards the bending forming protrusion.
7. The bending method of claim 6, wherein the second upper bending die further comprises a second displacement detection module, the second displacement detection module comprises a second displacement sensor and a second detection member, the second displacement sensor and the second detection member are arranged on the second upper bending die at intervals along the first direction, the second detection member is movably arranged along the first direction, and before the step of controlling the second driving member to drive the second bending block to move towards the bending forming protrusion along the second direction, the method further comprises: After the second bending upper die and the second bending lower die are clamped, a second actual distance value of the second detection piece relative to the second displacement sensor after being lifted by the flexible structure is obtained; And when the second actual distance value is in a preset range, generating and transmitting a translation signal to the second driving piece.
8. The bending method according to claim 5, wherein the bending apparatus further comprises a bending handling module, and the step of transferring the flexible structure, which has been bent for the first time, to the second bending unit comprises: controlling the bending carrying module to move to the first bending unit to absorb and pick up the flexible structure which is subjected to first bending; And controlling the bending and carrying module to carry the flexible structure to move to the second bending unit, and releasing the flexible structure at a preset position of the second bending unit.
9. The bending method of claim 8, wherein the bending apparatus further comprises a loading handling module, a first transfer tool, a second transfer tool, and a blanking handling module, the step of transferring the flexible structure to the first bending unit comprising: controlling the feeding carrying module to transfer the flexible structure to be bent to the first transfer tool; Controlling the bending and carrying module to pick up the flexible structure from the first transfer tool and transfer the flexible structure to the first bending unit; the step of driving the second bending portion to perform translational motion along a second direction so as to 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, further includes: Controlling the bending and carrying module to pick up the flexible structure which is bent twice from the second bending unit, and transferring the flexible structure to the second transfer tool; And controlling the blanking carrying module to pick up the flexible structure which is bent twice from the second transfer tool, and moving out the flexible structure.
10. Bending apparatus for implementing the bending method according to any one of claims 1 to 9, characterized in that it comprises: 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.

Description

Bending method and bending equipment Technical Field The invention relates to the technical field of automatic processing equipment, in particular to a bending method and 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. However, in practical applications, the bending structure is not limited to the centering support, and various flexible structural members (such as flexible wires, 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 a bending method which aims to realize secondary bending of a flexible structure. In order to achieve the above object, the bending method 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, and a bending apparatus is provided, the bending apparatus including a first bending unit and a second bending unit, the first bending unit having a first bending portion, the second bending unit having a second bending portion, the bending method including: Transferring the flexible structure to the first bending unit; driving the first bending part to perform lifting movement along a first direction so as to lift a first bending position of the flexible structure, so that the flexible structure forms a first bending structure at the first bending position; transferring the flexible structure subjected to the first bending to the second bending unit; driving the second bending part to do translational motion along a second direction so as to 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. The invention also provides bending equipment for realizing the bending method of any one of the above, 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. In the technical scheme, the bending method provided by the invention can solve the problems of low bending efficiency and difficult guarantee of precision in the prior art when the centering support sheet is required to be bent into a specific angle or a curved surface structure by adopting a step-by-step bending mode that the first bending unit carries out jacking bending and then the second bending unit carries out translation bending, specifically, the method firstly moves the flexible structure with a first bending position and a second bending position to the first bending unit, then drives the first bending part to carry out jacking movement along a first direction, forms the first bending structure at the first bending position by jacking the first bending position, and then moves the flexible structure which completes the first bending to the second bending unit, the second bending part is driven to do translational motion along the second direction intersecting with the first direction, the flexible structure is made to form the second bending structure at the second bending position by pushing the flexible structure to be close to the second bending position, and therefore, two different positions of the flexible structure are respectively and accurately bent in the directions intersecting with each ot