JP6860448B2 - How to measure the breaking device of a container and the breaking strength of a container - Google Patents
How to measure the breaking device of a container and the breaking strength of a container Download PDFInfo
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- JP6860448B2 JP6860448B2 JP2017158944A JP2017158944A JP6860448B2 JP 6860448 B2 JP6860448 B2 JP 6860448B2 JP 2017158944 A JP2017158944 A JP 2017158944A JP 2017158944 A JP2017158944 A JP 2017158944A JP 6860448 B2 JP6860448 B2 JP 6860448B2
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Description
本発明は、容器の破壊装置及び容器の破壊強度を測定する方法に関するものである。 The present invention relates to a container breaking device and a method for measuring the breaking strength of a container.
ガラス製や陶磁器製の容器は、液体食品、例えば、飲料や食用油等の容器として使用されている。 Glass and ceramic containers are used as containers for liquid foods, such as beverages and cooking oils.
これらの容器は、空の状態で、もしくは、中味が充填された状態で段ボール等に梱包後、出荷前や配送時等に積み重ねて置いておかれることも多い。その際に、何らかの振動等により梱包内で容器同士がぶつかり合い、容器が破損することがある。 These containers are often packed in corrugated cardboard or the like in an empty state or filled with contents, and then stacked before shipping or at the time of delivery. At that time, the containers may collide with each other in the package due to some vibration or the like, and the containers may be damaged.
このような破損対策としては、梱包強度を上げる、仕切り等を設け容器同士がぶつからないように工夫する、容器の強度を上げる等が挙げられる。 Examples of such damage countermeasures include increasing the packing strength, providing a partition or the like to prevent the containers from colliding with each other, and increasing the strength of the container.
しかし、梱包強度を上げたり、仕切りを設けたりしても、容器の強度が弱ければ、衝撃により破損してしまう。 However, even if the packing strength is increased or a partition is provided, if the strength of the container is weak, it will be damaged by the impact.
一方、容器の強度を上げる方法を取る場合、従来、適当に強度を上げているにすぎなかった。そのため、容器の破損を十分に防止できなかったり、過剰に容器の強度を上げすぎたりしていた。 On the other hand, when the method of increasing the strength of the container is adopted, conventionally, the strength has only been appropriately increased. Therefore, the damage of the container could not be sufficiently prevented, or the strength of the container was excessively increased.
なお、廃品となった容器を破壊することを目的とした装置としては、特許文献１に記載の装置がある。 As an apparatus for destroying a container that has become a waste product, there is an apparatus described in Patent Document 1.
そこで、本発明者は、容器の破損を適度な強度で防止できるようにするべく、容器の破壊強度を測定できる装置の必要性に気付き、本発明をするに至った。 Therefore, the present inventor has realized the need for a device capable of measuring the breaking strength of the container in order to prevent the container from being damaged with an appropriate strength, and has come to the present invention.
従って、本発明の目的は、容器の破壊強度測定に使用可能な容器の破壊装置及び容器の破壊強度を測定する方法を提供することである。 Therefore, an object of the present invention is to provide a container breaking device that can be used for measuring the breaking strength of a container and a method for measuring the breaking strength of the container.
本発明は、上記目的を達成するために、下記の容器の破壊装置及び容器の破壊強度を測定する方法を提供する。 The present invention provides the following container breaking device and a method for measuring the breaking strength of a container in order to achieve the above object.
［１］上部に開口部を有する容器の破壊装置であって、前記容器を破壊する際に前記容器が載せられる台と、前記容器を破壊する際に前記開口部の開口端部に接する開口接触部と、前記容器を破壊する際に前記開口端部と前記容器の底面との間に荷重をかけるために前記台及び前記開口接触部が互いに近づく方向へ前記台及び／又は前記開口接触部を移動させる荷重負荷装置と、前記容器を破壊する際に前記容器の側方から前記容器の容器壁に衝撃を加えるための衝撃付与装置とを備えたことを特徴とする容器の破壊装置。
［２］前記容器を破壊させる破壊強度を測定するための破壊強度測定装置を備えることを特徴とする上記［１］に記載の容器の破壊装置。
［３］前記台、前記開口接触部及び前記衝撃付与装置が内包されるケースを備えることを特徴とする上記［１］又は［２］に記載の容器の破壊装置。
［４］前記開口接触部は、前記容器を破壊する際に前記開口端部に接する円錐面を有することを特徴とする上記［１］〜［３］のいずれか１つに記載の容器の破壊装置。
［５］前記台は、前記容器が載せられる面に傾斜をつけるための装置を備えることを特徴とする上記［１］〜［４］のいずれか１つに記載の容器の破壊装置。
［６］前記ケースは、ポリカーボネート製であることを特徴とする上記［３］に記載の容器の破壊装置。
［７］前記荷重負荷装置は、前記開口端部と前記容器の底面との間に５０ｋＮ以下の荷重をかけることができることを特徴とする上記［１］〜［６］のいずれか１つに記載の容器の破壊装置。
［８］前記荷重負荷装置は、油圧シリンダー又は空圧シリンダーを備えることを特徴とする上記［１］〜［７］のいずれか１つに記載の容器の破壊装置。
［９］衝撃付与装置は、前記容器壁に２Ｊ以下の衝撃を加えることができることを特徴とする上記［１］〜［８］のいずれか１つに記載の容器の破壊装置。
［１０］上部に開口部を有する容器の破壊強度を測定する方法であって、前記開口部の開口端部と前記容器の底面との間に荷重をかけながら、前記容器の側方から前記容器の容器壁に衝撃を加えて前記容器を破壊し、破壊した際の前記荷重の力における前記破壊強度を破壊した際の前記衝撃の力から算出することを特徴とする容器の破壊強度を測定する方法。
[1] A container breaking device having an opening at the top, which is an opening contact between a table on which the container is placed when the container is broken and an opening end of the opening when the container is broken. In order to apply a load between the portion and the opening end portion and the bottom surface of the container when the container is destroyed, the pedestal and / or the opening contact portion are moved in a direction in which the pedestal and the opening contact portion approach each other. A container breaking device including a load-bearing device to be moved and an impact applying device for applying an impact to the container wall of the container from the side of the container when the container is broken.
[2] The container breaking device according to the above [1], further comprising a breaking strength measuring device for measuring the breaking strength that breaks the container.
[3] The container breaking device according to the above [1] or [2], further comprising a case in which the table, the opening contact portion, and the impact applying device are included.
[4] Destruction of the container according to any one of the above [1] to [3], wherein the opening contact portion has a conical surface in contact with the opening end portion when the container is destroyed. apparatus.
[5] The container breaking device according to any one of the above [1] to [4], wherein the table is provided with a device for inclining a surface on which the container is placed.
[6] The container breaking device according to the above [3], wherein the case is made of polycarbonate.
[7] The load-bearing device according to any one of the above [1] to [6], wherein a load of 50 kN or less can be applied between the open end and the bottom surface of the container. Container destruction device.
[8] The container breaking device according to any one of the above [1] to [7], wherein the load-bearing device includes a hydraulic cylinder or a pneumatic cylinder.
[9] The container breaking device according to any one of the above [1] to [8], wherein the impact applying device can apply an impact of 2 J or less to the container wall.
[10] A method of measuring the breaking strength of a container having an opening at the top, wherein a load is applied between the opening end of the opening and the bottom surface of the container, and the container is viewed from the side of the container. The breaking strength of the container is measured by applying an impact to the wall of the container to break the container and calculating the breaking strength at the force of the load at the time of breaking from the impact force at the time of breaking. Method.
本発明によると、容器の破壊強度測定に使用可能な容器の破壊装置及び容器の破壊強度を測定する方法を提供することができる。 According to the present invention, it is possible to provide a container breaking device that can be used for measuring the breaking strength of a container and a method for measuring the breaking strength of the container.
〔容器の破壊装置〕
図１は、本発明の実施の形態に係る容器の破壊装置の使用状態を示す概略図である。以下、本発明の実施の形態を図を参照して説明する。
[Container destruction device]
FIG. 1 is a schematic view showing a usage state of a container breaking device according to an embodiment of the present invention. Hereinafter, embodiments of the present invention will be described with reference to the drawings.
本発明の実施の形態に係る容器の破壊装置１０は、上部に開口部２１を有する容器２０の破壊装置であって、容器２０を破壊する際に容器２０が載せられる台１と、容器２０を破壊する際に開口部２１の開口端部２１ａに接する開口接触部２と、容器２０を破壊する際に開口端部２１ａと容器２０の底面２２との間に荷重をかけるために台１及び開口接触部２が互いに近づく方向へ台１及び／又は開口接触部２を移動させる荷重負荷装置（図１では油圧シリンダー３）と、容器２０を破壊する際に容器２０の側方から容器２０の容器壁２３に衝撃を加えるための衝撃付与装置（図１では衝撃付与部４及び空圧シリンダー５）とを備える。 The container breaking device 10 according to the embodiment of the present invention is a container breaking device having an opening 21 at the upper portion, and has a table 1 on which the container 20 is placed and a container 20 when the container 20 is broken. The base 1 and the opening for applying a load between the opening contact portion 2 that contacts the opening end portion 21a of the opening 21 when breaking and the opening end portion 21a and the bottom surface 22 of the container 20 when breaking the container 20. A load-bearing device (hydraulic cylinder 3 in FIG. 1) that moves the base 1 and / or the opening contact portion 2 in a direction in which the contact portions 2 approach each other, and a container of the container 20 from the side of the container 20 when the container 20 is destroyed. An impact applying device for applying an impact to the wall 23 (impact applying portion 4 and pneumatic cylinder 5 in FIG. 1) is provided.
（台１）
台１は、容器２０を破壊する際に容器２０を載せることができ、容器２０の破壊時に負荷される荷重に耐えるものであれば、その形状・材質・大きさ・厚み等は特に限定されない。例えば、容器２０を載せる面が略矩形状の木製又は樹脂製の板（縦１０〜３０ｃｍ、横１０〜３０ｃｍ、厚み２〜１５ｃｍ）を用いることができる。
(Table 1)
The shape, material, size, thickness, etc. of the table 1 are not particularly limited as long as the container 20 can be placed on the table 20 when the container 20 is destroyed and can withstand the load applied when the container 20 is destroyed. For example, a wooden or resin plate (length 10 to 30 cm, width 10 to 30 cm, thickness 2 to 15 cm) having a substantially rectangular surface on which the container 20 is placed can be used.
机やテーブルを台１としてもよいし、後述するケース６の底板を台１としてもよい。 The desk or table may be used as the table 1, or the bottom plate of the case 6, which will be described later, may be used as the table 1.
台１は、容器２０が載せられる面に傾斜をつけるための装置を備えることができる。傾斜装置としては、傾斜がつけられればどのような構成であってもよく、例えば、図１に示すようなボルト１ａを台１の底面の四隅にそれぞれ設ける構成が挙げられる。高くしたい方のボルト１ａを回すことで傾斜をつけることができる。傾斜をつけた際に容器２０が移動しないように、ストッパー１ｂを容器２０が載せられる面に設けることが望ましい。このような構成を採用することにより、容器の開口端部が底面２２に対し垂直方向ではなく、斜め方向に設けられているような容器を破壊する際に、台１を傾斜させて当該開口端部が垂直方向となるように容器をセットすることができる点で有用である。
The table 1 can be provided with a device for inclining the surface on which the container 20 is placed. The tilting device may have any configuration as long as it is tilted, and examples thereof include a configuration in which bolts 1a as shown in FIG. 1 are provided at the four corners of the bottom surface of the base 1. It can be tilted by turning the bolt 1a that you want to raise. It is desirable to provide the
（開口接触部２）
開口接触部２は、容器２０を破壊する際に開口部２１の開口端部２１ａに接することで、容器２０を開口接触部２と台１との間に固定することができる。
(Aperture contact part 2)
The opening contact portion 2 can fix the container 20 between the opening contact portion 2 and the base 1 by contacting the opening end portion 21a of the opening 21 when the container 20 is broken.
開口接触部２は、例えば、図１に示されるような頂点が下向きの円錐形状の物体であり、上下動が可能である。台１上に容器２０がセットされた後に開口接触部２が降りてきて、その円錐面が開口端部２１ａに接する。開口接触部２を下降させるタイミングは自由に設定可能であり、例えば、台１上に容器２０をセットした直後であっても、容器２０の破壊試験の直前であってもよい。 The opening contact portion 2 is, for example, a conical object whose apex points downward as shown in FIG. 1, and can move up and down. After the container 20 is set on the table 1, the opening contact portion 2 comes down and its conical surface comes into contact with the opening end portion 21a. The timing for lowering the opening contact portion 2 can be freely set. For example, it may be immediately after the container 20 is set on the table 1 or immediately before the destructive test of the container 20.
開口接触部２の形状は、開口端部２１ａに対し、均等に垂直方向へ圧をかけられる形状であれば円錐形状に限られることなく、板形状やその他の形状であってもよい。様々な開口径に合わせることができるため円錐形状が好ましい。ただし、容器の開口径は１ｃｍ程度以上のものが多いので、先端の平面が直径５ｍｍ以下になるように頂点部分がカットされていてもよい。 The shape of the opening contact portion 2 is not limited to a conical shape as long as pressure can be applied evenly to the opening end portion 21a in the vertical direction, and may be a plate shape or other shape. A conical shape is preferred because it can be adapted to various aperture diameters. However, since the opening diameter of the container is often about 1 cm or more, the apex portion may be cut so that the flat surface of the tip has a diameter of 5 mm or less.
また、開口接触部２の材質は、容器２０の破壊時に負荷される荷重に耐える硬さを有する材質であればよく、金属、木、高強度の樹脂等を使用できる。 Further, the material of the opening contact portion 2 may be any material having a hardness that can withstand the load applied when the container 20 is broken, and metal, wood, high-strength resin, or the like can be used.
（荷重負荷装置）
荷重負荷装置は、容器２０を破壊する際に開口端部２１ａと容器２０の底面２２との間に荷重をかけるために台１及び開口接触部２が互いに近づく方向へ台１及び／又は開口接触部２を移動させることができるものであれば、どのような構成のものであってもよい。図１では、油圧シリンダー３を用いているが、空圧シリンダーや手動ネジ式で圧力を加えられる構造のものを用いても良い。
(Load load device)
In the load-bearing device, in order to apply a load between the opening end portion 21a and the bottom surface 22 of the container 20 when the container 20 is broken, the pedestal 1 and the opening contact portion 2 approach each other in the pedestal 1 and / or the opening contact. Any configuration may be used as long as the unit 2 can be moved. Although the hydraulic cylinder 3 is used in FIG. 1, a pneumatic cylinder or a cylinder having a structure in which pressure can be applied by a manual screw type may be used.
油圧シリンダー３は、これに接続された開口接触部２を下降させることで、開口端部２１ａと容器２０の底面２２との間に荷重をかけることができる。 The hydraulic cylinder 3 can apply a load between the opening end portion 21a and the bottom surface 22 of the container 20 by lowering the opening contact portion 2 connected to the hydraulic cylinder 3.
荷重負荷装置は、油圧シリンダーのほかに、モータ（油圧モータ）、ポンプ（油圧ポンプ）、圧力制御弁や流量制御弁等の圧力制御装置、圧力計、配管などを備える。 In addition to the hydraulic cylinder, the load load device includes a motor (hydraulic motor), a pump (hydraulic pump), a pressure control device such as a pressure control valve and a flow control valve, a pressure gauge, and piping.
本実施の形態においては、開口接触部２を下方向へ（図１に記載の下向きの白抜き矢印）移動させているが、台１の方を上方向へ移動させてもよく、この場合には、台１に油圧シリンダー３等の荷重負荷装置が接続される。両方を移動させてもよい。 In the present embodiment, the opening contact portion 2 is moved downward (downward white arrow shown in FIG. 1), but the base 1 may be moved upward, in this case. Is connected to a load-bearing device such as a hydraulic cylinder 3 to the table 1. You may move both.
荷重負荷装置は、開口端部２１ａと容器２０の底面２２との間に５０ｋＮ以下の荷重（垂直荷重）を０〜５０ｋＮの範囲で任意に選択した荷重値で加えることができるものであることが好ましい。 The load-bearing device may be capable of applying a load (vertical load) of 50 kN or less between the open end 21a and the bottom surface 22 of the container 20 at an arbitrarily selected load value in the range of 0 to 50 kN. preferable.
（衝撃付与装置）
衝撃付与装置は、容器２０を破壊する際に容器２０の側方から容器２０の容器壁２３に衝撃を加えることができるものであれば、どのような構成のものであってもよい。図１では、衝撃付与部４及び空圧シリンダー５を用いているが、空圧シリンダー５に替えて油圧シリンダー、スプリングなどを用いても良い。
(Impact giving device)
The impact applying device may have any configuration as long as it can apply an impact to the container wall 23 of the container 20 from the side of the container 20 when the container 20 is destroyed. Although the impact applying portion 4 and the pneumatic cylinder 5 are used in FIG. 1, a hydraulic cylinder, a spring, or the like may be used instead of the pneumatic cylinder 5.
空圧シリンダー５は、これに接続された衝撃付与部４を図１の左方向（図１に記載の左向きの白抜き矢印）に移動させる。移動させられた衝撃付与部４が容器壁２３に接触することで、容器２０の容器壁２３に衝撃を加えることができる。容器壁２３に衝撃を加えた後、衝撃付与部４は元の位置に戻される。衝撃付与部４の移動回数（衝撃回数）は１回でも複数回でもよい。 The pneumatic cylinder 5 moves the impact applying portion 4 connected to the pneumatic cylinder 5 in the left direction of FIG. 1 (white arrow pointing to the left in FIG. 1). When the moved impact applying portion 4 comes into contact with the container wall 23, an impact can be applied to the container wall 23 of the container 20. After applying an impact to the container wall 23, the impact applying portion 4 is returned to its original position. The number of movements (number of impacts) of the impact applying portion 4 may be once or a plurality of times.
衝撃付与部４は、例えば、図１に示されるような頂点が左向きの円錐形状の物体であり、水平方向移動（図１における左右方向移動）が可能である。衝撃付与部４は、例えば、０．１〜３０ｃｍ／秒で移動させられる。 The impact applying portion 4 is, for example, a conical object whose apex points to the left as shown in FIG. 1, and can move in the horizontal direction (movement in the left-right direction in FIG. 1). The impact applying portion 4 is moved at, for example, 0.1 to 30 cm / sec.
衝撃付与部４の形状は、円錐形状に限られることなく、その他の形状であってもよい。衝撃付与部４の先端は、円錐形状のように容器２０に点接触できる形状であることが好ましいが、容器２０の側面は円筒形又は球形であるので、先端は、板状もしくは三角柱の線部分であってもよく、その場合、線部分が容器に対して横方向で接触すると、容器２０に点接触できるので好ましい。あるいは、先端は、面の構造であってもよく、その場合、容器２０に点接触又は線接触できるので好ましい。容器に接触する衝撃付与部４の先端部分はその適正にあわせて交換可能な構成としてもよい。 The shape of the impact applying portion 4 is not limited to the conical shape, and may be any other shape. The tip of the impact applying portion 4 is preferably shaped so that it can make point contact with the container 20 like a conical shape, but since the side surface of the container 20 is cylindrical or spherical, the tip is a line portion of a plate or triangular prism. In that case, when the line portion contacts the container in the lateral direction, the container 20 can be point-contacted, which is preferable. Alternatively, the tip may have a surface structure, which is preferable because it can make point contact or line contact with the container 20. The tip portion of the impact applying portion 4 that comes into contact with the container may be configured to be replaceable according to its suitability.
また、衝撃付与部４の材質は、容器壁２３に接触した時の衝撃に耐える硬さを有する材質であればよく、金属、木、高強度の樹脂等を使用できる。 Further, the material of the impact applying portion 4 may be any material having a hardness that can withstand the impact when it comes into contact with the container wall 23, and metal, wood, high-strength resin, or the like can be used.
衝撃付与装置は、衝撃付与部４や空圧シリンダー５のほかに、モータ（空圧モータ）、ポンプ（空圧ポンプ）、圧力制御弁や流量制御弁等の圧力制御装置、圧力計、配管などを備える。 In addition to the impact applying unit 4 and the pneumatic cylinder 5, the impact applying device includes a motor (pneumatic motor), a pump (pneumatic pump), a pressure control device such as a pressure control valve and a flow control valve, a pressure gauge, and piping. To be equipped.
荷重負荷装置により開口端部２１ａと容器２０の底面２２との間に荷重（垂直荷重）がかけられた状態下において、衝撃付与装置により容器壁２３に衝撃が加えられることで、容器２０が破壊（破損を含む）される。 When a load (vertical load) is applied between the opening end 21a and the bottom surface 22 of the container 20 by the load-bearing device, the container 20 is destroyed by the impact applied to the container wall 23 by the impact applying device. (Including damage).
衝撃付与装置は、容器壁２３に２Ｊ以下の衝撃（衝撃荷重）を０〜２Ｊの範囲で任意に選択した荷重値で加えることができるものであることが好ましい。 It is preferable that the impact applying device is capable of applying an impact (impact load) of 2 J or less to the container wall 23 at an arbitrarily selected load value in the range of 0 to 2 J.
（破壊強度測定装置）
破壊装置１０は、容器２０を破壊させる破壊強度を測定するための破壊強度測定装置を備えることが好ましい。
(Fracture strength measuring device)
The breaking device 10 preferably includes a breaking strength measuring device for measuring the breaking strength that breaks the container 20.
破壊強度測定装置は、例えば、前述の荷重負荷装置を構成する圧力制御装置や圧力計、前述の衝撃付与装置を構成する圧力制御装置や圧力計、及び衝撃付与部４の移動速度計を含んで構成される。容器２０が破壊したときの各圧力計の数値（垂直荷重（ｋＮ）、衝撃荷重（Ｊ））と移動速度計の数値（移動速度（ｃｍ／秒））から、容器２０のそれぞれの垂直荷重（ｋＮ）における破壊強度（＝衝撃荷重（Ｊ）×移動速度（ｃｍ／秒））を求めることができる。 The fracture strength measuring device includes, for example, a pressure control device and a pressure gauge constituting the above-mentioned load-bearing device, a pressure control device and a pressure gauge constituting the above-mentioned impact applying device, and a moving speedometer of the impact applying unit 4. It is composed. From the values of each pressure gauge (vertical load (kN), impact load (J)) and the values of the moving speedometer (moving speed (cm / sec)) when the container 20 is destroyed, each vertical load of the container 20 (vertical load (kN), impact load (J)) The breaking strength (= impact load (J) × moving speed (cm / sec)) at (kN) can be obtained.
（ケース６）
破壊装置１０は、図１に示されるように、台１、開口接触部２及び衝撃付与装置（衝撃付与部４及び空圧シリンダー５）が内包されるケース６を備えることが好ましい。これにより、容器２０が破壊された際に破片が飛び散るのを防止できる。衝撃付与装置は、ケース６の外部に設けられていてもよく、ケース６の壁面に設けられた孔から衝撃付与部４が出入りする構成としてもよい。
(Case 6)
As shown in FIG. 1, the breaking device 10 preferably includes a base 1, an opening contact portion 2, and a case 6 including an impact applying device (impact applying portion 4 and a pneumatic cylinder 5). This makes it possible to prevent debris from scattering when the container 20 is destroyed. The impact applying device may be provided outside the case 6, or may be configured such that the impact applying portion 4 enters and exits through a hole provided in the wall surface of the case 6.
ケース６は、容器２０が破壊された際の破片がぶつかっても耐えられる素材を使用する。例えば、ポリカーボネート製のケースが好ましい。ケース６の厚みは、例えば、１０ｍｍ以上であることが好ましい。 The case 6 uses a material that can withstand the collision of debris when the container 20 is destroyed. For example, a case made of polycarbonate is preferable. The thickness of the case 6 is preferably 10 mm or more, for example.
ケース６は、内部が外から見えるように、少なくとも一部が透明であることが望ましい。 It is desirable that the case 6 is at least partially transparent so that the inside can be seen from the outside.
（容器２０）
容器２０は、接触衝撃等により破壊（破損）される材質からなる容器であり、例えば、ガラス製や陶磁器製の容器である。大きさは特に限定されないが、例えば、高さ１０〜３０ｃｍ程度、容量５０〜１５００ｍｌ程度のものである。また、形状も特に限定されないが、例えば、瓶（ボトル）形状のものである。容器の用途も特に限定されず、例えば、牛乳瓶、ビール瓶、日本酒瓶、ワイン瓶、ジャム瓶、食用油瓶、ドレッシング瓶、試薬瓶などが挙げられる。
(Container 20)
The container 20 is a container made of a material that is destroyed (damaged) by a contact impact or the like, and is, for example, a container made of glass or ceramic. The size is not particularly limited, but for example, the height is about 10 to 30 cm and the capacity is about 50 to 1500 ml. The shape is not particularly limited, but is, for example, a bottle shape. The use of the container is not particularly limited, and examples thereof include milk bottles, beer bottles, sake bottles, wine bottles, jam bottles, cooking oil bottles, dressing bottles, and reagent bottles.
〔容器の破壊強度を測定する方法〕
本発明の実施の形態に係る容器の破壊強度を測定する方法は、上部に開口部２１を有する容器２０の破壊強度を測定する方法であって、開口部２１の開口端部２１ａと容器２０の底面２２との間に荷重をかけながら、容器２０の側方から容器２０の容器壁２３に衝撃を加えて容器２０を破壊し、破壊した際の前記荷重の力（例えば垂直荷重）における前記破壊強度を破壊した際の前記衝撃の力（例えば衝撃荷重×衝撃付与部の移動速度）から算出することを特徴とする。なお、ここでいう破壊には完全な破壊のみならず、部分的な破損も含む。
[Method of measuring the breaking strength of a container]
The method for measuring the breaking strength of the container according to the embodiment of the present invention is a method for measuring the breaking strength of the container 20 having the opening 21 at the upper portion, and is a method of measuring the breaking strength of the opening end 21a of the opening 21 and the container 20. While applying a load to the bottom surface 22, an impact is applied to the container wall 23 of the container 20 from the side of the container 20 to destroy the container 20, and the destruction under the force of the load (for example, a vertical load) when the container 20 is destroyed. It is characterized in that it is calculated from the impact force (for example, impact load × moving speed of the impact applying portion) when the strength is broken. The destruction referred to here includes not only complete destruction but also partial destruction.
具体的な測定方法としては、例えば、次の通りである。
（１）容器２０を破壊装置１０の台１に載せる。
（２）開口部２１の開口端部２１ａに破壊装置１０の開口接触部２を接触させ、容器２０を固定するとともに、開口接触部２を更に下降させて開口端部２１ａと容器２０の底面２２との間に一定の垂直荷重（５０ｋＮ以下の範囲内で、例えば、容器に求められる規格値に基づき決めた荷重）をかける。なお、垂直荷重は、空圧シリンダーであれば、シリンダーの径と空圧から求めることができ、また、台１にかかる荷重から求めることができる。
（３）上記（２）の垂直荷重をかけた状態で、破壊装置１０の衝撃付与部４を容器２０の側方から容器２０の容器壁２３にぶつけて衝撃を加える。容器２０が破壊されるまで徐々に衝撃荷重（２Ｊ以下の範囲内で）を上げて衝撃を加え続ける。
（４）容器２０が破壊した際の上記（３）の衝撃荷重と衝撃付与部４の移動速度（ｃｍ／秒）から上記（２）の垂直荷重における破壊強度を算出する。
測定時の垂直荷重における破壊強度（＝衝撃荷重（Ｊ）×移動速度（ｃｍ／秒））
Specific measurement methods are as follows, for example.
(1) The container 20 is placed on the base 1 of the destruction device 10.
(2) The opening contact portion 2 of the breaking device 10 is brought into contact with the opening end portion 21a of the opening 21 to fix the container 20, and the opening contact portion 2 is further lowered to further lower the opening contact portion 21a and the bottom surface 22 of the container 20. A constant vertical load (within a range of 50 kN or less, for example, a load determined based on the standard value required for the container) is applied between the and. If it is a pneumatic cylinder, the vertical load can be obtained from the diameter of the cylinder and the pneumatic pressure, and can also be obtained from the load applied to the table 1.
(3) With the vertical load of (2) above applied, the impact applying portion 4 of the breaking device 10 is struck from the side of the container 20 against the container wall 23 of the container 20 to apply an impact. The impact load (within a range of 2 J or less) is gradually increased until the container 20 is destroyed, and the impact is continuously applied.
(4) The breaking strength under the vertical load of (2) above is calculated from the impact load of (3) above and the moving speed (cm / sec) of the impact applying portion 4 when the container 20 is broken.
Fracture strength under vertical load at the time of measurement (= impact load (J) x moving speed (cm / sec))
求めた破壊強度を参考にして、容器の使用形態（どの程度の垂直荷重、衝撃荷重がかかるか）に応じた容器の強度を設定することができる。これにより、容器の破損を適度な強度で防止することができる。 With reference to the obtained fracture strength, the strength of the container can be set according to the usage pattern of the container (how much vertical load and impact load are applied). Thereby, the damage of the container can be prevented with an appropriate strength.
なお、本発明は、上記実施の形態に限定されず種々に変形実施が可能である。 The present invention is not limited to the above embodiment, and various modifications can be made.
１：台、１ａ：ボルト、１ｂ：ストッパー
２：開口接触部、３：油圧シリンダー
４：衝撃付与部、５：空圧シリンダー
６：ケース
１０：破壊装置
２０：容器
２１：開口部、２１ａ：開口端部、２２：底面、２３：容器壁
1: Base, 1a: Bolt, 1b: Stopper 2: Opening contact part 3: Hydraulic cylinder 4: Impact applying part 5: Pneumatic cylinder 6: Case 10: Destruction device 20: Container 21: Opening, 21a: Opening End, 22: Bottom, 23: Container wall
Claims (10)
前記容器を破壊する際に前記容器が載せられる台と、前記容器を破壊する際に前記開口部の開口端部に接する開口接触部と、前記容器を破壊する際に前記開口端部と前記容器の底面との間に荷重をかけるために前記台及び前記開口接触部が互いに近づく方向へ前記台及び／又は前記開口接触部を移動させる荷重負荷装置と、前記容器を破壊する際に前記容器の側方から前記容器の容器壁に衝撃を加えるための衝撃付与装置とを備えたことを特徴とする容器の破壊装置。 A container breaking device with an opening at the top
A table on which the container is placed when the container is destroyed, an opening contact portion which contacts the opening end of the opening when the container is destroyed, and the opening end and the container when the container is destroyed. A load-bearing device that moves the pedestal and / or the opening contact portion in a direction in which the pedestal and the opening contact portion approach each other in order to apply a load to the bottom surface of the container, and the container when the container is destroyed. A container breaking device provided with an impact applying device for applying an impact to the container wall of the container from the side.
前記開口部の開口端部と前記容器の底面との間に荷重をかけながら、前記容器の側方から前記容器の容器壁に衝撃を加えて前記容器を破壊し、破壊した際の前記荷重の力における前記破壊強度を破壊した際の前記衝撃の力から算出することを特徴とする容器の破壊強度を測定する方法。 A method of measuring the breaking strength of a container with an opening at the top.
While applying a load between the opening end of the opening and the bottom surface of the container, an impact is applied to the container wall of the container from the side of the container to destroy the container, and the load when the load is destroyed. A method for measuring the breaking strength of a container, which is calculated from the force of the impact when the breaking strength in a force is broken.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3955408A (en) * | 1975-09-08 | 1976-05-11 | Northup John D | Fluidless bottle testing method and apparatus |
| GB2100432B (en) * | 1981-06-16 | 1985-08-21 | Metal Box Co Ltd | Identifying fractured containers |
| JPH0233972B2 (en) * | 1982-12-28 | 1990-07-31 | Yamamura Glass Co Ltd | BINNOKENSAHOHO |
| JPH07299352A (en) * | 1994-04-30 | 1995-11-14 | Yamamura Glass Co Ltd | Apparatus and method for inspecting strength of glass bottle using ultrasonic waves |
| JPH08332400A (en) * | 1995-06-09 | 1996-12-17 | Nikkiso Co Ltd | Waste product breaking-recovery device |
| JPH102814A (en) * | 1996-06-17 | 1998-01-06 | Railway Technical Res Inst | Device for measuring through resistance force of sheet material, and method for measuring through resistance force of sheet material |
| JP2000097828A (en) * | 1998-09-18 | 2000-04-07 | Shimadzu Corp | Charpy impact ester |
| JP2001235412A (en) * | 2000-02-23 | 2001-08-31 | Nihon Yamamura Glass Co Ltd | Bottle inspection device |
| JP4086752B2 (en) * | 2003-09-30 | 2008-05-14 | 株式会社ジェイテクト | Material strength test method |
| JP4622986B2 (en) * | 2006-10-19 | 2011-02-02 | 積水ハウス株式会社 | Impact resistance test equipment for outer wall materials |
| JP2015205779A (en) * | 2012-02-29 | 2015-11-19 | 旭硝子株式会社 | Chemically strengthened glass plate, and impact testing method thereof |
| JP5808357B2 (en) * | 2013-03-27 | 2015-11-10 | 日本山村硝子株式会社 | Bottle inner surface injuries, bottle inspection device, bottle inspection method and bottle manufacturing method |
| JP6575991B2 (en) * | 2015-05-13 | 2019-09-18 | 太平洋セメント株式会社 | Method for measuring crack initiation strength of ultra high strength fiber reinforced concrete |
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