Plastic crossbeam pipe column structure and plastic injecting and forming method thereof

A technology of beam tube and column structure, applied in the field of auto parts, can solve the problems of heavy weight, no application of light weight, small cost and high cost, and achieve excellent strength and rigidity, low warpage and cost reduction. Effect

Inactive Publication Date: 2017-03-22
SUZHOU HENGYUANSHENG MOLDING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The traditional beam column is made of iron, aluminum-magnesium alloy and other materials. The strength and rigidity of the traditional material can meet the requi

Method used

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  • Plastic crossbeam pipe column structure and plastic injecting and forming method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0027] Example 1

[0028] Reference figure 1 As shown, this embodiment discloses a plastic beam pipe column structure, which includes: a pipe beam 1. The pipe beam 1 is provided with a first connecting piece 101, a second connecting piece 102, and a third connecting piece 103. The first connecting piece 101, the second connecting piece 102, and the third connecting piece 103 are on the same side of the pipe beam 1, and the first connecting piece 101, the second connecting piece 102, and the third connecting piece 103 are connected to the pipe beam 1. 1The same material, and one-piece molding.

[0029] The first connecting piece 101, the second connecting piece 102, and the third connecting piece 103 are used to connect a central control instrument or component, and the free end of the first connecting piece 101 is provided with a limiting hole.

[0030] A plurality of blind riveting bolts are provided on the second connecting member 102, and the blind riveting bolts and the second ...

Example Embodiment

[0034] Example 2

[0035] In this embodiment, the material of the first connecting piece 101, the second connecting piece 102, the third connecting piece 103, and the pipe beam 1 is GVL-6H. GVL-6H includes aromatic nylon and long fibers, and the material of GVL-6H Young's modulus is 22000MPa, Poisson's ratio is 0.4, and density is 1.69.

[0036] The injection molding of the beam and pipe column structure in Example 1 includes the following steps:

[0037] S101 mixes and plasticizes various raw materials in material GVL-6H;

[0038] S102 melts the plasticized raw materials, and forms a polymer film through a die;

[0039] S103 sends the material into the twin screw extruder for extrusion;

[0040] S104 presses the mixed material extruded in the twin-screw extruder into the injection mold for integral injection molding.

[0041] The basic tube beam and bracket part of the above-mentioned beam tube column structure adopts an integral molding injection molding process. The structure has exce...

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Abstract

The invention discloses a plastic crossbeam pipe column structure. The plastic crossbeam pipe column structure comprises a pipe beam, wherein a first connecting piece, a second connecting piece and a third connecting piece are arranged on the pipe beam; a concave fixing seat is arranged at the end part of the second connecting piece; the fixing seat is embedded in the second connecting piece to be integrally formed, and is connected with a rotating shaft of a steering wheel; a first bracket and a second bracket are respectively arranged at two free ends of the pipe beam; and a central control iron piece is arranged in the middle of the pipe beam, and is arranged between the first connecting piece and the second connecting piece. According to the plastic crossbeam pipe column structure disclosed by the invention, the basic pipe beam and the bracket parts adopt an integrated forming and plastic injecting technology; the plastic crossbeam pipe column structure has good strength and good rigidity in different temperatures and different humidity, and is low in warping and high in dimension stability; and compared with a crossbeam pipe column made from conventional materials, a plastic crossbeam pipe column disclosed by the invention has the advantages that the weight is reduced by 40%, and the cost is reduced by 15%.

Description

technical field [0001] The invention relates to the field of auto parts, in particular to a plastic beam pipe column structure and an injection molding method thereof. Background technique [0002] The instrument panel is located directly in front of the driver, and is generally equipped with a driving odometer, a speedometer, an engine tachometer, a fuel gauge, warning lights, and signal lights. The driver can not only understand the basic driving status of the vehicle through the dashboard, but also control the air vents, audio, air conditioning and lighting, so as to ensure safety and enjoy more driving pleasure. [0003] In order to ensure that the various instruments and parts supported can work normally under high-speed driving and vibration conditions, the instrument panel and the beam column supporting the instrument panel must have sufficient rigidity, and in order to reduce the impact of external forces on the front and the co-pilot in the event of an accident Imp...

Claims

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Application Information

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IPC IPC(8): B62D25/14B29C45/00
CPCB62D25/145B29C45/00
Inventor 徐钦吴当敬皇甫玉兴田厚林戴维波
Owner SUZHOU HENGYUANSHENG MOLDING CO LTD
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