Stamping method of top cover outer plate with skylight

A processing method and roof technology, which are used in the manufacture of automobile body-in-white sheet metal parts and the automotive field, can solve the problems of deformation and collapse of the outer plate of the roof, prevent obvious deformation, uniform flow speed and sufficient deformation, and ensure the quality of parts. Effect

Active Publication Date: 2012-12-12
CHERY AUTOMOBILE CO LTD
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AI Technical Summary

Problems solved by technology

[0007] In order to solve the problem that the roof outer panel with a skylight is prone to obvious deformation or even collapse in the a

Method used

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  • Stamping method of top cover outer plate with skylight
  • Stamping method of top cover outer plate with skylight
  • Stamping method of top cover outer plate with skylight

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] An embodiment of the present invention provides a stamping method for a top cover outer panel with a skylight, which includes the following steps:

[0025] Step 1 S1: Make a trimming mold surface for the sheet material 5 of the top cover outer panel with a skylight, and in the process of making the trimming mold surface for the sheet material 5 of the roof outer panel with a skylight, the flanging part A supplementary process surface 1 is made on the die surface other than the die line b (that is, the drawing surface between the waste material and the product shape surface), and at least one step surface is formed on the supplementary process surface 1 . Specifically: the supplementary process surface 1 is located between the fl...

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Abstract

The invention discloses a stamping method of a top cover outer plate with a skylight; and the method belongs to the field of the manufacturing of automobile white sheet metal parts. The method comprises the following steps that (1) a trimmed mould surface is manufactured on the material of the top cover outer plate with the skylight; (2) the trimmed mould surface is shaped and trimmed; (3) the material of the top cover outer plate with the skylight is flanged and shaped; in the step (1), a process supplementing surface is arranged on the mould surface outside a flanged die line; a cylindrical bar and at least one step surface comprising a wave surface which is tangibly connected with the cylindrical bar and extends are arranged on the process supplementing surface, so that the material deformation resistance of the top cover outer plate with the skylight during a stamping process is increased, the flow rate of the material of the top cover outer plate with the skylight is uniform and the deformation is full, the control on rebounding is very effective; and consequently, the part quality is ensured, significant deformation which is produced in the stamping process of the top cover outer plate with the skylight and even the collapse problem are effective prevented.

Description

technical field [0001] The invention relates to the field of manufacturing automobile body-in-white sheet metal parts, in particular to a method for stamping an outer panel of a top cover with a sunroof in the automobile field. Background technique [0002] At present, with the continuous progress of the automobile industry, the requirements for the appearance quality and material utilization rate of automobile outer covering parts are getting higher and higher, which requires designers to continuously improve the design and manufacturing process level. In the field of automobile body-in-white sheet metal parts, roof outer panel parts belong to the A-type parts in the automobile cover parts, and belong to the core in the manufacture of body-in-white parts. Features. Especially the surface quality and dimensional accuracy of the top cover outer panel with skylight at the skylight. If it is not well matched with the skylight, a series of problems such as water leakage will oc...

Claims

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Application Information

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IPC IPC(8): B21D53/88
Inventor 杨林魏言沈左军
Owner CHERY AUTOMOBILE CO LTD
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