Horizontal bending machine

A technology of bending machine and bending mechanism, which is applied in the field of bending machines, can solve the problems of difficulty in putting in and taking out workpieces, failure to automate, and affecting bending efficiency, so as to improve product quality and stability, and facilitate multiple Secondary bending, the effect of improving the quality of the workpiece
CN103121053AInactive Publication Date: 2013-05-29JDM JINGDA MASCH (NINGBO) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JDM JINGDA MASCH (NINGBO) CO LTD
Publication Date
2013-05-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a horizontal bending machine which comprises a machine body, a controller, a bending mechanism and a follower plate. The bending mechanism is horizontally arranged on the machine body. The follower plate is arranged in a workpiece feeding direction of the bending mechanism. In time of bending, the controller controls a workpiece to moving into the follower plate and the position of the workpiece is limited by the follower plate and the bending mechanism. The bending mechanism bends the workpiece and acts synchronously with the follower plate. The bending precision is improved, a bending die can rotate independently so that restoring is convenient and multiple bending of the workpiece is facilitated. A whole bending process of the workpiece is fully automatic so that the production efficiency of the bending machine is improved, labor intensity of operators is relived and at the same time, quality and stability of products can be improved. In time of material pressing, the bending machine can be suitable for clamping heat exchangers with different layer thickness and layer numbers so that application range is wide. Synchronous action of the bending mechanism and the follower plate in time of bending can be achieved, friction when the workpiece is bent is reduced and quality of the workpiece is improved. The workpiece can be bended in a delamination mode, required bending moment is little, relative pressure among heat exchanger fins and the bending die and among layers of the heat exchanger is small and the heat exchanger fins are not prone to fall.
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Description

technical field

[0001] The invention relates to a bending machine, in particular to a bending machine capable of adopting layered bending for a multilayer heat exchanger. Background technique

[0002] The bending machine is used to bend the heat exchanger into G shape, U shape or L shape, and is the key equipment for heat exchanger forming.

[0003] The heat exchanger is conventionally bent and then assembled in a single layer. In order to improve production efficiency, a multi-layer heat exchanger is used for one-time bending. However, the multi-layer heat exchanger is bent at the same time, and the bending moment required is large. The maximum, the relative pressure between the heat exchanger and the bending die, and the heat exchanger layer and layer is also the largest, so the phenomenon of "rewinding" is most likely to occur at the initial stage of bending.

[0004] With the increasing demand for large central air conditioners, the size of the heat exchanger is also in...

Claims

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