JP2000171336A - Device and method for grasping and inspecting cushioning property of cushioning material - Google Patents
Device and method for grasping and inspecting cushioning property of cushioning materialInfo
- Publication number
- JP2000171336A JP2000171336A JP10344151A JP34415198A JP2000171336A JP 2000171336 A JP2000171336 A JP 2000171336A JP 10344151 A JP10344151 A JP 10344151A JP 34415198 A JP34415198 A JP 34415198A JP 2000171336 A JP2000171336 A JP 2000171336A
- Authority
- JP
- Japan
- Prior art keywords
- cushioning material
- cushioning
- output
- contact type
- grasping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Buffer Packaging (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、緩衝材の検査装置
及び方法に関わり、特に緩衝材の緩衝性を把握検査する
のに好適に利用できるものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus and a method for inspecting a cushioning material, and more particularly, to an apparatus and a method suitably used for grasping and inspecting the cushioning property of a cushioning material.
【０００２】[0002]
【従来の技術】緩衝材の緩衝性検査は、実際に内容物を
入れて、外圧による内容物の破損の有無を目視により確
認するか、或いは測定対象である緩衝材よりも広い面積
を持つ錘を、測定対象である緩衝材に対して垂直に衝突
させて、錘に生じた加速度と、測定対象である緩衝材の
厚さの変化量を測定する方法が取られていた。2. Description of the Related Art In order to inspect the cushioning properties of a cushioning material, the contents are actually put in and visually checked for damage to the contents due to external pressure, or a weight having a larger area than the cushioning material to be measured. Has been hit perpendicularly to the cushioning material to be measured, and a method of measuring the acceleration generated in the weight and the amount of change in the thickness of the cushioning material to be measured has been adopted.
【０００３】目視による方法は、緩衝性を数値で正確に
把握検査できないという問題がある。他方、錘を衝突さ
せる方法では、緩衝材の測定できる形状はブロック状の
ものに限られ、その他の形状では不可能であるという問
題がある。[0003] The visual method has a problem that the buffering property cannot be accurately grasped and inspected by numerical values. On the other hand, in the method of colliding the weight, there is a problem that the shape of the cushioning material that can be measured is limited to a block shape, and other shapes are impossible.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、上記問題を
解決するもので、緩衝材の緩衝性について所望の状態か
らのずれを、その形状を問わず、数値で正確に把握検査
する装置と方法を提供することを課題とする。An object of the present invention is to solve the above-mentioned problem and to provide an apparatus for accurately grasping and inspecting the deviation of a cushioning material from a desired state by a numerical value regardless of its shape. It is an object to provide a method.
【０００５】[0005]
【課題を解決するための手段】本発明において上記の課
題を達成するために、まず請求項１の発明では、信号を
発生させる信号発生器と、信号発生器からの出力に応じ
て緩衝材に振動を与える加振器と、緩衝材の変位及び加
速度を測定する非接触型もしくは接触型変位センサと、
信号発生器の出力と非接触型もしくは接触型変位センサ
の測定出力とをＦＦＴ処理し比較して伝達関数を求める
ＦＦＴアナライザとを備える測定システムと、求められ
た伝達関数を、基本データと比較して、緩衝材の緩衝性
の状態を判定する比較手段を備える解析システムと、を
具備することを特徴とする緩衝材の緩衝性把握検査装置
としたものである。In order to achieve the above object, according to the present invention, first, a signal generator for generating a signal and a buffer material according to an output from the signal generator are provided. A vibrator that applies vibration, a non-contact or contact type displacement sensor that measures the displacement and acceleration of the cushioning material,
A measurement system including an FFT analyzer that obtains a transfer function by performing an FFT process on the output of the signal generator and a measurement output of a non-contact or contact displacement sensor and compares the obtained transfer function with basic data. And an analysis system having a comparing means for judging a buffering state of the buffering material.
【０００６】また請求項２の発明では、上記基本データ
が、所望の緩衝性を持つ緩衝材に対して、上記測定シス
テムによって得られた伝達関数であることを特徴とする
請求項１記載の緩衝材の緩衝性把握検査装置としたもの
である。According to a second aspect of the present invention, the basic data is a transfer function obtained by the measurement system with respect to a buffer material having a desired buffering property. It is a device for grasping and inspecting the buffering properties of the material.
【０００７】また請求項３の発明では、信号器の出力に
応じて加振器によって緩衝材に振動を与え、その振動に
よって生ずる緩衝材の変位及び加速度を非接触型もしく
は接触型変位センサによって測定し、信号発生器の出力
と非接触型もしくは接触型変位センサの測定出力とをＦ
ＦＴ処理し比較して伝達関数を求める測定工程と、求め
られた伝達関数を、基本データと比較して、緩衝材の緩
衝性の状態を判定する解析工程とを、具備することを特
徴とする緩衝材の緩衝性把握検査方法としたものであ
る。According to a third aspect of the present invention, vibration is applied to the cushioning member by a vibrator in accordance with the output of the signal device, and the displacement and acceleration of the cushioning member caused by the vibration are measured by a non-contact type or contact type displacement sensor. And the output of the signal generator and the measurement output of the non-contact or contact displacement sensor are
A measuring step of performing a FT process and comparing to obtain a transfer function; and an analyzing step of comparing the obtained transfer function with basic data to determine a buffering state of the cushioning material. This is a method for inspecting the cushioning properties of the cushioning material.
【０００８】また請求項４の発明では、上記基本データ
が、所望の緩衝性を持つ緩衝材に対して、上記測定工程
によって得られた伝達関数であることを特徴とする請求
項３記載の緩衝材の緩衝性把握検査方法としたものであ
る。According to a fourth aspect of the present invention, the basic data is a transfer function obtained by the measuring step for a buffer material having a desired cushioning property. This is a method for checking the buffering properties of the material.
【０００９】[0009]
【発明の実施の形態】以下に、本発明の実施の形態を説
明する。Embodiments of the present invention will be described below.
【００１０】図１は、本発明である緩衝材の緩衝性把握
検査装置の構成図である。但し、図１の中で、点線の部
分は、本発明装置に含まれない。すなわち、点線で表わ
された緩衝材は、把握検査の対象である。実線の矢印は
電気的な信号又はデジタルな情報の流れを表わし、点線
の矢印は物理的に及ぼされる力を表現している。本発明
装置は、測定システム１と解析システム２とを具備す
る。測定システム１は、信号発生器と、アンプと、加振
器と、変位センサと、ＦＦＴアナライザとを具備する。
解析システム２は、比較手段と記憶手段とを具備する。FIG. 1 is a block diagram of an apparatus for grasping and inspecting the cushioning property of a cushioning material according to the present invention. However, the portion indicated by the dotted line in FIG. 1 is not included in the device of the present invention. That is, the cushioning material represented by the dotted line is a target of the grasping inspection. Solid arrows represent the flow of electrical signals or digital information, and dotted arrows represent the force exerted physically. The apparatus of the present invention includes a measurement system 1 and an analysis system 2. The measurement system 1 includes a signal generator, an amplifier, a shaker, a displacement sensor, and an FFT analyzer.
The analysis system 2 includes a comparison unit and a storage unit.
【００１１】以下、図２のフローチャートを用いて、本
発明装置が行う本発明方法の処理の流れを説明する中
で、本発明装置を構成する各部の詳細とその働きを明ら
かにする。なお、測定システム１は以下のＳＴＥＰ１〜
４を、解析システム２は以下のＳＴＥＰ５〜６を実行す
る。Hereinafter, the flow of the method of the present invention performed by the apparatus of the present invention will be described with reference to the flowchart of FIG. In addition, the measurement system 1 has the following STEP1.
4 and the analysis system 2 executes the following STEPS 5-6.
【００１２】Ｓ（ＳＴＥＰ）１；信号発生器の出力を、
アンプに通して所望のレベルに増幅して加振器に入力す
る。これによって加振器は、緩衝材を励起して振動させ
る。S (STEP) 1; The output of the signal generator is
The signal is passed through an amplifier, amplified to a desired level, and input to a vibrator. Thereby, the vibrator excites and vibrates the cushioning material.
【００１３】Ｓ（ＳＴＥＰ）２；緩衝材の振動によって
生じる変位と加速度を、１ヵ所又は複数箇所について接
触型又は非接触型変位センサで測定する。S (STEP) 2: Displacement and acceleration caused by vibration of the cushioning material are measured at one or a plurality of places by a contact type or non-contact type displacement sensor.
【００１４】Ｓ（ＳＴＥＰ）３；接触型又は非接触型変
位センサの測定出力と信号発生器の出力とをＦＦＴアナ
ライザで同期をとり、比較することにより、信号発生器
と緩衝材との間での伝達関数を求める。S (STEP) 3: The measured output of the contact or non-contact type displacement sensor is synchronized with the output of the signal generator by the FFT analyzer and compared, so that the output between the signal generator and the buffer material can be compared. Find the transfer function of
【００１５】Ｓ（ＳＴＥＰ）４；ＦＦＴアナライザは、
求めた伝達関数を、比較手段に渡す。S (STEP) 4: The FFT analyzer
The obtained transfer function is passed to comparison means.
【００１６】Ｓ（ＳＴＥＰ）５；比較手段は、記憶手段
に保管されている基本データを、読込む。この基本デー
タは、予め、所望の緩衝性を持つ緩衝材に対して、測定
システム１が実行する上記ＳＴＥＰ１〜４で得た伝達関
数である。S (STEP) 5: The comparison means reads the basic data stored in the storage means. The basic data is a transfer function previously obtained in STEPs 1 to 4 executed by the measurement system 1 for a buffer material having a desired cushioning property.
【００１７】Ｓ（ＳＴＥＰ）６；比較手段は、ＦＦＴア
ナライザから受け取った伝達関数と、記憶手段から読込
んだ基本データとを比較して、緩衝材の緩衝性の状態を
判定する。S (STEP) 6: The comparison means compares the transfer function received from the FFT analyzer with the basic data read from the storage means to determine the buffering state of the cushioning material.
【００１８】把握検査の対象となる緩衝材には、発泡プ
ラスチック、スプリング、木毛、細片紙、段ボール、成
形バルブ、空気入りパットなどがあり、その材質や形状
を問わない。The cushioning material to be grasped and inspected includes foamed plastic, spring, wood wool, strip paper, corrugated cardboard, molded valve, pneumatic pad, and the like, regardless of the material and shape.
【００１９】[0019]
【発明の効果】以上説明したように、本発明である緩衝
材の緩衝性把握検査装置及び方法によって、緩衝材の緩
衝性の状態が所望する状態からどれだけずれているか
を、その形状を問わず、数値によって正確に把握検査す
ることが可能になるという効果がある。As described above, the apparatus and method for grasping and inspecting the cushioning property of the cushioning material according to the present invention determine how much the cushioning property of the cushioning material deviates from a desired state by examining its shape. In addition, there is an effect that it is possible to accurately grasp and inspect by numerical values.
【図１】本発明である緩衝材の緩衝性把握検査装置の構
成図。FIG. 1 is a configuration diagram of a shock absorbing / inspecting device for shock absorbing material according to the present invention.
【図２】本発明である緩衝材の緩衝性把握検査方法のフ
ローチャート。FIG. 2 is a flowchart of a method of checking and absorbing a cushioning property of a cushioning material according to the present invention.
１…測定システム ２…解析システム 1. Measurement system 2. Analysis system
Claims (4)
器からの出力に応じて緩衝材に振動を与える加振器と、
緩衝材の変位及び加速度を測定する非接触型もしくは接
触型変位センサと、信号発生器の出力と非接触型もしく
は接触型変位センサの測定出力とをＦＦＴ処理し比較し
て伝達関数を求めるＦＦＴアナライザとを備える測定シ
ステムと、 求められた伝達関数を、基本データと比較して、緩衝材
の緩衝性の状態を判定する比較手段を備える解析システ
ムと、 を具備することを特徴とする緩衝材の緩衝性把握検査装
置。A signal generator for generating a signal; a vibrator for vibrating a cushioning material according to an output from the signal generator;
A non-contact or contact type displacement sensor that measures the displacement and acceleration of the cushioning material, and an FFT analyzer that obtains a transfer function by comparing the output of the signal generator with the measurement output of the non-contact or contact type displacement sensor by performing FFT processing. A measuring system comprising: a measuring system comprising: a measuring system comprising: a measuring system comprising: a measuring system comprising: a measuring system comprising: a measuring system comprising: Inspection device for grasping shock absorption.
衝材に対して、上記測定システムによって得られた伝達
関数であることを特徴とする請求項１記載の緩衝材の緩
衝性把握検査装置。2. The test for grasping the cushioning property of a cushioning material according to claim 1, wherein the basic data is a transfer function obtained by the measurement system for a cushioning material having a desired cushioning property. apparatus.
材に振動を与え、その振動によって生ずる緩衝材の変位
及び加速度を非接触型もしくは接触型変位センサによっ
て測定し、信号発生器の出力と非接触型もしくは接触型
変位センサの測定出力とをＦＦＴ処理し比較して伝達関
数を求める測定工程と、求められた伝達関数を、基本デ
ータと比較して、緩衝材の緩衝性の状態を判定する解析
工程とを、具備することを特徴とする緩衝材の緩衝性把
握検査方法。3. A vibration member is vibrated by a vibrator in accordance with an output of a signal device, and displacement and acceleration of the buffer member caused by the vibration are measured by a non-contact or contact type displacement sensor. A measurement process of obtaining a transfer function by performing an FFT process on the output and a measurement output of a non-contact or contact type displacement sensor and comparing the obtained transfer function with basic data to determine a buffering state of the cushioning material. And an analysis step for determining the buffering property of the cushioning material.
衝材に対して、上記測定工程によって得られた伝達関数
であることを特徴とする請求項３記載の緩衝材の緩衝性
把握検査方法。4. The test for grasping the cushioning property of a cushioning material according to claim 3, wherein said basic data is a transfer function obtained by said measuring step for a cushioning material having a desired cushioning property. Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10344151A JP2000171336A (en) | 1998-12-03 | 1998-12-03 | Device and method for grasping and inspecting cushioning property of cushioning material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10344151A JP2000171336A (en) | 1998-12-03 | 1998-12-03 | Device and method for grasping and inspecting cushioning property of cushioning material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000171336A true JP2000171336A (en) | 2000-06-23 |
Family
ID=18367036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10344151A Pending JP2000171336A (en) | 1998-12-03 | 1998-12-03 | Device and method for grasping and inspecting cushioning property of cushioning material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000171336A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013095554A (en) * | 2011-11-01 | 2013-05-20 | Mitsubishi Electric Corp | Cage vibration monitoring device for elevator |
-
1998
- 1998-12-03 JP JP10344151A patent/JP2000171336A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013095554A (en) * | 2011-11-01 | 2013-05-20 | Mitsubishi Electric Corp | Cage vibration monitoring device for elevator |
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