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Bending structure and bending die

A technology for bending dies and concave dies, which is used in forming tools, manufacturing tools, metal processing equipment, etc., and can solve problems such as serious extrusion of material at the bend and affecting the appearance of top cover assembly products.

Active Publication Date: 2020-06-19
HISENSE (SHANDONG) AIR CONDITIONING CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After bending, the curvature of the inner side of the step is inconsistent with that of the outer side of the step. The line size L2 of the arc area on the inner side of the step is smaller than the size L1 of the sheet material in this area before bending. Bending and extrusion will occur on the inner side, resulting in bending on the inner side of the step. Severe material extrusion affects the assembly of the top cover and the appearance of the product

Method used

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  • Bending structure and bending die
  • Bending structure and bending die
  • Bending structure and bending die

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Embodiment Construction

[0038] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0039] refer to Figure 4 and Figure 5 , the bending structure in one embodiment of the present invention is used for bending a bent workpiece with a stepped structure. The bending structure of the present invention includes a bending die 210 and a bending punch 310 . Among them, such as Image 6 , the bending die 210 includes an inner die 211 and an outer die 212, and the bending punch 310 includes an inner die 311 and an outer die. The outer male die cooperates with the outer female die 212 to bend the outer side of the step of the workpiece 100 having a stepped structure into a rounded corner. The inner convex mold 311 cooperates with the inner concave mold 211 to bend the inner surface of the step of the workpiece 100 to be bent ...

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Abstract

The invention discloses a bending structure, relates to the technical field of molds and aims at providing a bending structure and a bending mold. By means of the bending structure and the bending mold, the structure is simple, and bending circular bead stacked extrusion materials of a bent workpiece can be removed. The bending structure comprises a bending concave mold and a bending convex mold.The bending concave mold comprises an inner concave mold and an outer concave mold. The bending convex mold comprises an inner convex mold and an outer convex mold. The outer convex mold and the outerconcave mold cooperate to be used for bending the outer side face of the step of a to-be-bent workpiece with a step structure into a circular bead. The inner convex mold and the inner concave mold cooperate to be used for bending the inner side face of the step of the to-be-bent workpiece into a circular bead. The inner concave mold is provided with an arc inner side face matched with the circular bead on the inner side face of the step of the bent workpiece, a protrusion structure is arranged on the arc inner side face, and a groove structure cooperating with the protrusion structure is correspondingly arranged on the inner convex mold.

Description

technical field [0001] The invention relates to the technical field of molds, in particular to a bending structure and a bending mold. Background technique [0002] At present, in order to ensure the appearance of the assembly of the panel of the outdoor unit of the air conditioner and the top cover and the gap requirements, generally according to the structural requirements, there is a stepped structure a at the assembly of the panel of the outdoor unit and the top cover, such as Figure 1-Figure 3 As shown, according to the structural requirements, three large R-angle bends are designed at the steps. Before bending the workpiece with step structure a, the sheet material size of the bending area on the inner side of the step and the outer side of the step is the same, that is, the size of the inner panel material of the step is equal to the size L1 of the outer panel material of the step. After bending, the curvature of the inner side of the step is inconsistent with that o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D5/01B21D37/10B21D45/04
CPCB21D5/01B21D37/10B21D45/04
Inventor 李玉乾唐合存
Owner HISENSE (SHANDONG) AIR CONDITIONING CO LTD
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