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Tailoring device for acoustic materials of impedance tube test

A technology of acoustic materials and cutting devices, applied in the direction of sampling devices, etc., to achieve the effects of reducing errors, improving accuracy, and uniform force

Inactive Publication Date: 2012-09-26
NINGBO TUOPU GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide an acoustic material cutting device for the impedance tube test that can ensure that the cutting surface of the cylindrical acoustic material sample is not deformed

Method used

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  • Tailoring device for acoustic materials of impedance tube test
  • Tailoring device for acoustic materials of impedance tube test
  • Tailoring device for acoustic materials of impedance tube test

Examples

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Embodiment 1

[0020] Embodiment 1: An acoustic material cutting device for an impedance tube test, including a first cutting mechanism and a second cutting mechanism, the first cutting mechanism includes a first cutting tool 1, and the first cutting tool 1 includes an integrally connected tubular first A cutter head 11 and an annular first blade 12, the inner diameter of the first blade 12 is 100mm, the first cutter head 11 is integrally provided with a circular first cover plate 13, the central axis of the first cover plate 13 Fixedly provided with the first connecting rod 14 for connecting the drilling machine, at least one through hole 15 is also provided on the first cover plate 13, the second cutting mechanism includes the second cutting tool 2, and the second cutting tool 2 includes an integrally connected The tubular second cutter head 21 and the annular second blade 22, the inner diameter of the second blade 22 is 29mm, the second cutter head 21 is integrally provided with a circular...

Embodiment 2

[0023] Embodiment 2: An acoustic material cutting device for an impedance tube test, including a first cutting mechanism and a second cutting mechanism, the first cutting mechanism includes a first cutting tool 1, and the first cutting tool 1 includes an integrally connected tubular first A cutter head 11 and an annular first blade 12, the inner diameter of the first blade 12 is 100mm, the first cutter head 11 is integrally provided with a circular first cover plate 13, the central axis of the first cover plate 13 Fixedly provided with the first connecting rod 14 for connecting the drilling machine, at least one through hole 15 is also provided on the first cover plate 13, the second cutting mechanism includes the second cutting tool 2, and the second cutting tool 2 includes an integrally connected The tubular second cutter head 21 and the annular second blade 22, the inner diameter of the second blade 22 is 29mm, the second cutter head 21 is integrally provided with a circular...

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Abstract

The invention discloses a tailoring device for acoustic materials of an impedance tube test. The tailoring device consists of a first tailoring mechanism and a second tailoring mechanism, wherein the first tailoring mechanism consists of a first tailoring cutter including a tubular first cutter head and an annular first cutter edge which are connected integrally, the inner diameter of the first cutter edge is larger than 29mm, a round first cover plate is integrally arranged on the first cutter head, a first connecting rod is fixedly and axially arranged at the center of the first cover plate, at least one through hole is formed on the first cover plate, the second tailoring mechanism consists of a second tailoring cutter including a tubular second cutter head and an annular second cutter edge which are connected integrally, the inner diameter of the second cutter edge is smaller than 29mm, a round second cover plate is integrally arranged on the second cutter head, a second connecting rod is fixedly and axially arranged at the center of the second cover plate, and at least one open slot extending onto the second cutter head is arranged on the edge of the second cover plate. The tailoring device has the advantages of being capable of ensuring that the tailoring surface of the acoustic material sample does not deform.

Description

technical field [0001] The invention relates to an acoustic material cutting device, in particular to an acoustic material cutting device for an impedance tube test. Background technique [0002] With the continuous development of modern automobile technology, the vibration and noise performance of automobiles has become one of the important performance indicators of automobiles. The use of acoustic materials and the sound insulation and absorption performance of acoustic materials are one of the main factors affecting the noise level and sound quality in the car. Before using the acoustic material, we need to obtain the acoustic performance of the acoustic material. The acoustic properties of acoustic materials can be obtained through impedance tube tests. Before conducting the impedance tube test, we generally need to cut two cylindrical acoustic material samples, whose diameters can be 100mm and 29mm respectively. At present, the cutting device of the acoustic material...

Claims

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Application Information

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IPC IPC(8): G01N1/04
Inventor 邓期
Owner NINGBO TUOPU GROUP CO LTD
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