JP2018144847A - Packaging device - Google Patents

Packaging device Download PDF

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JP2018144847A
JP2018144847A JP2017041589A JP2017041589A JP2018144847A JP 2018144847 A JP2018144847 A JP 2018144847A JP 2017041589 A JP2017041589 A JP 2017041589A JP 2017041589 A JP2017041589 A JP 2017041589A JP 2018144847 A JP2018144847 A JP 2018144847A
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heat
film
packaged
resistant conveyor
heat source
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真介 香西
Shinsuke Kozai
真介 香西
振華 譚
Chenhua Tan
振華 譚
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Teraoka Seiko Co Ltd
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Teraoka Seiko Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a small-sized packaging device which can reliably heat-weld a folding part of a film for wrapping an object to be packaged, with a simple structure.SOLUTION: A packaging device performs packaging by folding a film so as to wrap an object to be packaged. The packaging device includes: a heat-resistant conveyor for conveying an object to be packaged which is wrapped in a film in a conveyance direction; a drive part for driving the heat-resistant conveyor; a pushing part for pushing out an object to be conveyed wrapped in the film to a conveyance path of the heat-resistant conveyor; a plurality of heat sources arranged at a predetermined interval toward the downstream from the upstream in the conveyance direction in the conveyance path of the heat-resistant conveyor, and for heat-welding a folding part of the film for wrapping the object to be packaged; and a control part for controlling the timing of rotating and stopping the heat-resistant conveyor via the drive part, and for controlling so that the folding part of the film of the object to be packaged stops for a predetermined time on the heat sources.SELECTED DRAWING: Figure 5

Description

本発明は、包装装置に関する。   The present invention relates to a packaging device.

ヒートシールコンベアを備え、被包装物にヒートシールを行う包装装置が知られている(例えば、特許文献1参照)。   2. Description of the Related Art A packaging apparatus that includes a heat seal conveyor and performs heat seal on an object to be packaged is known (see, for example, Patent Document 1).

特開2016−137897号公報JP, 2006-137897, A

しかしながら、所定時間(単位時間)当たり包装処理数が多い場合、コンベアにより搬送される被包装物が、ヒータ上に停止する時間が短く、ヒートシールの仕上がりが充分でない場合がある。   However, when the number of packaging processes per predetermined time (unit time) is large, the time for the article to be packaged conveyed by the conveyor to stop on the heater is short, and the heat seal finish may not be sufficient.

例えば、被包装物のフィルム折込部(底面)の溶着を確実に行うために、被包装物の搬送方向に長い大型の熱源を設け熱源上の搬送時間を長くした場合でも、ある一定期間、被包装物のフィルム折込部を熱源上に停止する方がヒートシールの溶着率は高くなる傾向になる。   For example, in order to reliably weld the film folding part (bottom surface) of the packaged object, even if a long heat source is provided in the conveying direction of the packaged object and the conveying time on the heat source is increased, the film is covered for a certain period of time. If the film folding part of the package is stopped on the heat source, the heat seal welding rate tends to increase.

したがって、単に熱源を延長することは、機長が長くなりすぎ、さらにコスト面で問題を発生する可能性が高い。   Therefore, simply extending the heat source is likely to cause a problem in terms of cost because the captain becomes too long.

本発明は、簡単な構造で、所定時間当たり(単位時間当たり)の包装処理数が多く、被包装物を包むフィルムの折込部を確実に熱溶着する小型の包装装置を提供することを目的とする。   An object of the present invention is to provide a small packaging device that has a simple structure, has a large number of packaging processes per predetermined time (per unit time), and reliably heat-welds a folded portion of a film that wraps an article to be packaged. To do.

本発明の包装装置は、少なくとも以下の構成を具備するものである。
被包装物を包むようにフィルムを折り込むことにより包装を行う包装装置であって、
フィルムに包まれた被包装物を搬送方向に搬送する耐熱コンベアと、
前記耐熱コンベアを駆動する駆動部と、
フィルムに包まれた被搬送物を前記耐熱コンベアの搬送路へ押し出す押出部と、
前記耐熱コンベアの搬送路に、搬送方向上流から下流に向かって所定間隔に配置され、前記被包装物を包むフィルムの折込部を溶着する熱源と、
前記駆動部を介して前記耐熱コンベアの回転及び停止のタイミングを制御し、前記被包装物のフィルムの折込部を、前記熱源上に一定時間停止するように制御する制御部と、を有することを特徴とする。
The packaging device of the present invention comprises at least the following configuration.
A packaging device for packaging by folding a film so as to wrap an article to be wrapped,
A heat-resistant conveyor for transporting an article wrapped in a film in the transport direction;
A drive unit for driving the heat-resistant conveyor;
An extruding unit for extruding an object to be conveyed wrapped in a film to a conveying path of the heat-resistant conveyor;
A heat source that is arranged at a predetermined interval from the upstream to the downstream in the transport direction on the transport path of the heat-resistant conveyor, and welds a folded portion of the film that wraps the packaged article,
A control unit that controls the rotation and stop timing of the heat-resistant conveyor via the drive unit, and controls the folding part of the film of the package to be stopped on the heat source for a certain period of time. Features.

本発明によれば、簡単な構造で、所定時間当たり(単位時間当たり)の包装処理数が多く、被包装物を包むフィルムの折込部を確実に熱溶着する小型の包装装置を提供することができる。   According to the present invention, it is possible to provide a small packaging device that has a simple structure, has a large number of packaging processes per predetermined time (per unit time), and reliably heat-welds a folded portion of a film that wraps an article to be packaged. it can.

本発明の実施形態に係る包装装置の一例を示す全体図。1 is an overall view showing an example of a packaging device according to an embodiment of the present invention. 本発明の実施形態に係る包装装置の一例を示す正面図。The front view which shows an example of the packaging apparatus which concerns on embodiment of this invention. 本発明の実施形態に係る包装装置の電気的な機能ブロックの一例を示す図。The figure which shows an example of the electrical functional block of the packaging apparatus which concerns on embodiment of this invention. 本発明の実施形態に係る包装装置の動作の一例を説明するための概念図。The conceptual diagram for demonstrating an example of operation | movement of the packaging apparatus which concerns on embodiment of this invention. 本発明の実施形態に係る包装装置の動作の一例を説明するための図、(a)はフィルムに包まれた被包装物がエレベータにより上方へ移動する状態を示す図、(b)はフィルムに包まれた被包装物を押出部で押し出す前の状態を示す図、(c)はフィルムに包まれた被包装物を押出部で押し出した状態を示す図、(d)は第1の熱源上に先の被包装物が位置するとともに後続の被包装物がエレベータにより上方へ移動する状態を示す図、(e)は押出部で後続の被包装物を押し出す時よりも前に耐熱コンベアを駆動して被搬送物を移動させた状態を示す図、(f)は第2の熱源上に先の被包装物が位置し第1の熱源上に後続の被包装物が位置した状態を示す図。The figure for demonstrating an example of operation | movement of the packaging apparatus which concerns on embodiment of this invention, (a) is a figure which shows the state which the to-be packaged object wrapped in the film moves upwards by an elevator, (b) is a film The figure which shows the state before extruding the to-be-wrapped to-be-extruded part by an extrusion part, (c) is a figure which shows the state which extrude the to-be-wrapped object wrapped in the film by an extrusion part, (d) is on the 1st heat source. The figure which shows the state to which a previous package is located and a subsequent package moves upward by an elevator, and (e) drives the heat-resistant conveyor before pushing the subsequent package in the extrusion section. The figure which shows the state which moved the to-be-conveyed object, (f) is a figure which shows the state in which the previous to-be-packaged object was located on the 2nd heat source, and the following to-be-packaged object was located on the 1st heat source. . 包装装置のトレイ搬入機構の一例を説明するための図、(a)は本発明の実施形態に係る包装装置のトレイ搬入機構の一例を説明するための図、(b)は比較例に係るトレイ搬入機構の一例を示す図。The figure for demonstrating an example of the tray carrying-in mechanism of a packaging apparatus, (a) is a figure for demonstrating an example of the tray carrying-in mechanism of the packaging apparatus which concerns on embodiment of this invention, (b) is the tray which concerns on a comparative example. The figure which shows an example of a carrying-in mechanism.

本発明の実施形態に係る包装装置は、被包装物をフィルムで包むことで包装を行う。この包装装置は、フィルムに包まれた被包装物を搬送方向に搬送する耐熱コンベアと、耐熱コンベアを駆動する駆動部と、フィルムに包まれた被搬送物を耐熱コンベアの搬送路へ押し出す押出部と、耐熱コンベアの搬送路に、搬送方向に沿って所定間隔に配置され、被包装物を包むフィルムの折込部を溶着する、少なくとも2つ以上の複数の熱源と、駆動部を介して耐熱コンベアの回転及び停止のタイミングを制御し、且つ、押出部による被包装物を押し出すタイミングを制御する制御部と、を有する。   The packaging apparatus according to the embodiment of the present invention performs packaging by wrapping an article to be packaged with a film. This packaging apparatus includes a heat-resistant conveyor that conveys an object to be packaged wrapped in a film in a conveying direction, a drive unit that drives the heat-resistant conveyor, and an extrusion unit that pushes the object to be wrapped enclosed in a film to the conveying path of the heat-resistant conveyor. And at least two or more heat sources, which are arranged at predetermined intervals along the conveyance direction in the conveyance path of the heat-resistant conveyor and weld the folded portion of the film that wraps the article to be packaged, and the heat-resistant conveyor via the drive unit And a control unit that controls the timing of rotation and stop of the sheet and the timing of extruding the article to be packaged by the extrusion unit.

以下、図面を参照しながら本発明の一実施形態を説明する。本発明の実施形態は図示の内容を含むが、これのみに限定されるものではない。尚、以後の各図の説明で、既に説明した部位と共通する部分は同一符号を付して重複説明を一部省略する。   Hereinafter, an embodiment of the present invention will be described with reference to the drawings. The embodiment of the present invention includes the contents shown in the drawings, but is not limited to this. In the following description of each drawing, the same parts as those already described are denoted by the same reference numerals, and a part of the overlapping description is omitted.

図1、図2に示すように、本発明の実施形態に係る包装装置100は、装置本体部100bの上部に表示操作部Dが設けられ、包装装置の手前側には、被包装物Wを装置本体部100bに設けられたフィルム包装部へ搬送する搬入コンベア71が備えられ、フィルム包装部では張架したフィルムに対して下方から被包装物Wがエレベータにより突き上げられて、被包装物の上面をフィルムで包み、そのフィルムの周縁を被包装物の底面側(下面側)に折り込む。包装装置100のフィルム包装部は、例えば、特許第5169126号に記載されている包装部などの一般的な包装機構を採用することができる。   As shown in FIGS. 1 and 2, the packaging device 100 according to the embodiment of the present invention is provided with a display operation unit D on the upper part of the device main body 100 b, and an object to be packaged W is placed on the front side of the packaging device. A carry-in conveyor 71 for transporting to the film packaging unit provided in the apparatus main body 100b is provided. In the film packaging unit, the package W is pushed up from below with respect to the stretched film, and the upper surface of the package Is wrapped with a film, and the periphery of the film is folded to the bottom side (lower surface side) of the package. The film packaging part of the packaging apparatus 100 can employ a general packaging mechanism such as a packaging part described in Japanese Patent No. 5169126, for example.

包装装置100の装置本体部の後方には、耐熱コンベア30が設けられている。本実施形態では、耐熱コンベア30の搬送路には、搬送方向上流から下流に向かって、所定間隔に配置され、被包装物を包むフィルムの折込部を溶着する、複数の熱源40(ヒータ)が設けられている。熱源40の上方には、フィルムに包まれた被包装物を熱源側へ押圧する押圧部51が設けられている。押圧部51は、各熱源40(41、42)それぞれに対応して設けられていてもよいし、必要に応じて所定箇所の熱源40(41、42)に対応して設けられる構成であってもよい。   A heat-resistant conveyor 30 is provided behind the apparatus main body of the packaging apparatus 100. In the present embodiment, a plurality of heat sources 40 (heaters) are disposed in the conveyance path of the heat-resistant conveyor 30 at predetermined intervals from the upstream to the downstream in the conveyance direction and weld the folded portions of the film that wraps the package. Is provided. Above the heat source 40, a pressing portion 51 is provided for pressing an object to be packaged wrapped in a film toward the heat source. The pressing part 51 may be provided corresponding to each of the heat sources 40 (41, 42), or may be provided corresponding to the heat source 40 (41, 42) at a predetermined location as necessary. Also good.

図3は本発明の実施形態に係る包装装置100の電気的な機能ブロックの一例を示す図である。図4は本発明の実施形態に係る包装装置の動作の一例を説明するための概念図である。   FIG. 3 is a diagram illustrating an example of an electrical functional block of the packaging device 100 according to the embodiment of the present invention. FIG. 4 is a conceptual diagram for explaining an example of the operation of the packaging device according to the embodiment of the present invention.

図3に示したように、本発明の実施形態に係る包装装置100は、制御部11(CPU)、通信部12、記憶部13、表示操作部D、質量計量部14、被包装物寸法検知部S、フィルム包装部15、エレベータ21を駆動するエレベータ駆動部16、押出部23、耐熱コンベア30を駆動する駆動部18、第1の熱源41(40)、第2の熱源42(40)、位置検知部19などを有する。包装装置100の各構成要素は電気的に接続されている。   As shown in FIG. 3, the packaging device 100 according to the embodiment of the present invention includes a control unit 11 (CPU), a communication unit 12, a storage unit 13, a display operation unit D, a mass measurement unit 14, and packaged object size detection. Part S, film packaging part 15, elevator drive part 16 for driving elevator 21, extrusion part 23, drive part 18 for driving heat-resistant conveyor 30, first heat source 41 (40), second heat source 42 (40), A position detection unit 19 and the like are included. Each component of the packaging device 100 is electrically connected.

制御部11(CPU)は、包装装置100の各構成要素を統括的に制御する。制御部11は、記憶部に記憶されている制御プログラムを実行することにより、コンピュータとしての包装装置100に本発明に係る機能を実現させる。   The control unit 11 (CPU) comprehensively controls each component of the packaging device 100. The control part 11 implement | achieves the function based on this invention in the packaging apparatus 100 as a computer by running the control program memorize | stored in the memory | storage part.

通信部12は、制御部11の制御により、コンピュータなどデータ通信を行う。
記憶部13は、RAM、ROMなどの記憶装置により構成され、制御プログラム、各種設定情報などを記憶する。例えば、複数種類のトレイ(被包装物)の奥行寸法、高さ寸法、幅寸法、用途、材質などに関する情報が記憶部13に記憶される。
The communication unit 12 performs data communication such as a computer under the control of the control unit 11.
The storage unit 13 includes a storage device such as a RAM or a ROM, and stores a control program, various setting information, and the like. For example, information related to depth dimensions, height dimensions, width dimensions, applications, materials, and the like of a plurality of types of trays (packages) is stored in the storage unit 13.

表示操作部Dは、表示装置を備え、制御部11の制御により、本発明に係る包装装置に関する所定の情報を表示する。また、表示操作部Dは、タッチパネルや操作ボタンなどの操作入力装置を備え、操作者による入力操作に応じた信号を制御部に入力する。
質量計量部14は、搬入部などの載置部上に載置された被包装物の質量を計量し、計量結果を示す信号を制御部11に出力する。
The display operation unit D includes a display device, and displays predetermined information related to the packaging device according to the present invention under the control of the control unit 11. The display operation unit D includes an operation input device such as a touch panel and operation buttons, and inputs a signal corresponding to an input operation by the operator to the control unit.
The mass measuring unit 14 measures the mass of the article to be packaged placed on the placement unit such as the carry-in unit, and outputs a signal indicating the measurement result to the control unit 11.

被包装物寸法検知部Sは、被包装物のサイズを測定し、測定結果を示す信号を制御部11に出力する。詳細には、被包装物寸法検知部Sは、奥行寸法検知部SA(寸法検知部)、高さ寸法検知部SB、幅寸法検知部SCを有する。奥行寸法検知部SAは被包装物の搬送方向の長さ(奥行寸法)を、高さ寸法検知部SBは被包装物の高さ寸法を、幅寸法検知部SCは被包装物の幅寸法をそれぞれ計測、計測結果を示す信号を制御部11に出力する。被包装物Wの奥行寸法は、図4に示した例では、被包装物Wの搬送方向の長さLに対応する。   The package size detection unit S measures the size of the package and outputs a signal indicating the measurement result to the control unit 11. More specifically, the package size detector S includes a depth detector SA (dimension detector), a height detector SB, and a width detector SC. The depth dimension detection unit SA indicates the length (depth dimension) of the package in the transport direction, the height dimension detection unit SB indicates the height dimension of the package, and the width dimension detection unit SC indicates the width dimension of the package. Signals indicating measurement and measurement results are output to the control unit 11. The depth dimension of the article W to be packaged corresponds to the length L in the conveyance direction of the article W to be packaged in the example shown in FIG.

フィルム包装部15は、張架したフィルムに対して下方から被包装物Wがエレベータにより突き上げられて、被包装物の上面をフィルムで包み、一対の折込板(前後折込板)により、そのフィルムの周縁を被包装物の底面側(下面側)に折り込む。   The film wrapping unit 15 is configured such that the package W is pushed up from below by the elevator with respect to the stretched film, the upper surface of the package is wrapped with the film, and the pair of folding plates (front and rear folding plates) Fold the rim to the bottom side (lower side) of the package.

エレベータ駆動部16は、フィルムに包まれた被包装物を、包装装置後方に位置する耐熱コンベア側へ搬送するためのエレベータ21を、制御部11の制御により所定のタイミングで、上下方向に駆動する。   The elevator drive unit 16 drives the elevator 21 for transporting an object to be wrapped wrapped in a film to the heat-resistant conveyor side located behind the packaging device in the vertical direction at a predetermined timing under the control of the control unit 11. .

押出部23は、耐熱コンベア30の上流側に配置され、エレベータ21により搬送された、フィルムに包まれた被包装物を、耐熱コンベア30側へ押し出す。   The extruding unit 23 is disposed on the upstream side of the heat-resistant conveyor 30 and extrudes an object to be packaged wrapped in a film conveyed by the elevator 21 to the heat-resistant conveyor 30 side.

駆動部18は、制御部11の制御により耐熱コンベア30を駆動するモータである。
耐熱コンベア30は、図4に示したように、耐熱性の無端状ベルト31、回転軸32、回転軸33を有する。無端状ベルト31は回転軸32、33に巻回されている。駆動部18は、回転軸32、33の一方または両方を回転駆動する。
The drive unit 18 is a motor that drives the heat-resistant conveyor 30 under the control of the control unit 11.
As shown in FIG. 4, the heat-resistant conveyor 30 includes a heat-resistant endless belt 31, a rotating shaft 32, and a rotating shaft 33. Endless belt 31 is wound around rotary shafts 32 and 33. The drive unit 18 rotationally drives one or both of the rotary shafts 32 and 33.

本実施形態では、包装装置100は、複数の熱源40を備え、耐熱コンベア30の搬送路に沿って所定間隔で複数の熱源40が配置されている。本実施形態では、熱源40として第1の熱源41、第2の熱源42を有する。この熱源第1の熱源は、耐熱コンベア30の上流側端部から所定の距離cの位置に配置されている。第2の熱源42は、第1の熱源41から搬送方向下流側へ所定の距離aだけ離れた位置に配置されている。   In the present embodiment, the packaging device 100 includes a plurality of heat sources 40, and the plurality of heat sources 40 are arranged at predetermined intervals along the conveyance path of the heat-resistant conveyor 30. In the present embodiment, the heat source 40 includes a first heat source 41 and a second heat source 42. This heat source The first heat source is disposed at a predetermined distance c from the upstream end of the heat-resistant conveyor 30. The second heat source 42 is disposed at a position away from the first heat source 41 by a predetermined distance a downstream in the transport direction.

位置検知部19は、搬送路の所定位置に配置され、被包装物Wの位置を検知し、検知結果を示す信号を制御部11へ出力する。位置検知部19は、例えば、耐熱コンベア30の搬送路の上流端部付近に配置され、被包装物を検知する。位置検知部19としては、例えば、発光素子、受光素子などを有する。   The position detection unit 19 is disposed at a predetermined position on the conveyance path, detects the position of the package W, and outputs a signal indicating the detection result to the control unit 11. The position detection unit 19 is disposed, for example, in the vicinity of the upstream end portion of the conveyance path of the heat-resistant conveyor 30 and detects an object to be packaged. As the position detection part 19, it has a light emitting element, a light receiving element, etc., for example.

押圧部51は、第1の熱源41の上方位置に、上下方向に移動可能に設けられ、制御部11の制御により、押圧部51の押圧面により被包装物を熱源側へ押圧する。   The pressing part 51 is provided at a position above the first heat source 41 so as to be movable in the vertical direction, and presses an object to be packaged toward the heat source by the pressing surface of the pressing part 51 under the control of the control part 11.

また、制御部11は、駆動部18を介して耐熱コンベア30の回転及び停止のタイミングを制御し、被包装物Wのフィルムの折込部を、熱源上に一定時間停止するように制御する。詳細には、制御部11は、駆動部18を介して耐熱コンベア30の回転及び停止のタイミングを制御し、被包装物Wのフィルムの折込部を、熱源***に一定時間停止するように制御する。   Moreover, the control part 11 controls the rotation and stop timing of the heat-resistant conveyor 30 via the drive part 18, and controls the folding part of the film of the to-be-packaged goods W to stop on a heat source for a fixed time. Specifically, the control unit 11 controls the rotation and stop timing of the heat-resistant conveyor 30 via the drive unit 18 and controls the film folding part of the package W to stop at the center on the heat source for a certain period of time. To do.

また、制御部11は、駆動部18を介して耐熱コンベア30の回転及び停止のタイミングを制御し、且つ、押出部23による前記被包装物を押し出すタイミングを制御する。   Further, the control unit 11 controls the rotation and stop timings of the heat-resistant conveyor 30 through the driving unit 18 and also controls the timing at which the article to be packaged is pushed out by the extrusion unit 23.

また、制御部11は、被包装物の奥行寸法に応じて、押出部23により後続の被包装物を搬送路上へ押し出す前に、耐熱コンベアを駆動部により回転駆動する。   Moreover, the control part 11 rotationally drives a heat-resistant conveyor by a drive part, before pushing a subsequent to-be-packaged object on a conveyance path by the extrusion part 23 according to the depth dimension of a to-be-packaged object.

また、制御部11は、被包装物の奥行寸法に基づいて、耐熱コンベアの回転駆動を制御する。   Moreover, the control part 11 controls the rotational drive of a heat-resistant conveyor based on the depth dimension of a to-be-packaged item.

また、制御部11は、熱源40上にて、被包装物Wを包むフィルムが溶融しないように、耐熱コンベアを停止させる時間を規定する。   Moreover, the control part 11 prescribes | regulates the time which stops a heat-resistant conveyor on the heat source 40 so that the film which wraps the to-be-packaged object W may not fuse | melt.

また、制御部11は、連続で包装しない、且つ他の熱源上に他の被包装物が存在しない場合には、被包装物を包むフィルムの折込部の溶着が完了するまでので時間が経過するまで耐熱コンベアを停止し、フィルムの折込部の溶着が完了した位置よりも搬送方向下流側に位置する熱源上では、被包装物が停止しないように、耐熱コンベア30の回転駆動を制御する。被包装物を包むフィルムの折込部の溶着が完了するでの時間は、商品特性であるトレイ種類、フィルム種類、質量などにより記憶されていても良い。さらに、使用環境の温度・湿度等による影響を反映させることもできる。なお、連続運転、後続の被包装物がなくても、他の熱源上に被包装物が存在する場合は、上記制御は行わない。   In addition, when the control unit 11 does not continuously wrap and there is no other packaged object on another heat source, time elapses until the welding of the folded portion of the film that wraps the packaged object is completed. The heat-resistant conveyor 30 is stopped, and the rotation drive of the heat-resistant conveyor 30 is controlled on the heat source located on the downstream side in the transport direction with respect to the position where the welding of the folded portion of the film is completed. The time required to complete the welding of the folded portion of the film that wraps the packaged item may be stored according to the tray type, the film type, the mass, and the like, which are product characteristics. Furthermore, it is possible to reflect the influence of temperature, humidity, etc. of the usage environment. In addition, even if there is no continuous operation and a subsequent package, the above control is not performed when the package is present on another heat source.

制御部11は、記憶部に記憶された前記被包装物に関する商品特性情報に基づいて、押圧部51による押圧を制御する。   The control part 11 controls the press by the press part 51 based on the product characteristic information regarding the said packaged article memorize | stored in the memory | storage part.

次に、図4、図5などを参照しながら、本発明の実施形態に係る包装装置の動作の一例を説明する。
包装装置のフィルム包装部において、貼架されたフィルムの下方から、被包装物をエレベータ(不図示)により上昇させて、被包装物Wをフィルムで包み、前後折板によりフィルムを被包装物Wの下面側に折り込んだ後、図5(a)に示したように、規制部22に当接するように、搬送用のエレベータ21上へ被包装物Wを搬送する。規制部22は、搬送用のエレベータ21の近傍に設けられており、耐熱コンベア30の搬送方向の上流端の下方に位置する。
Next, an example of operation | movement of the packaging apparatus which concerns on embodiment of this invention is demonstrated, referring FIG.4, FIG.5 etc. FIG.
In the film packaging section of the packaging device, the packaged object is lifted by an elevator (not shown) from below the stuck film, the packaged product W is wrapped with the film, and the film is packaged with the front and rear folded plates. Then, as shown in FIG. 5A, the article to be packaged W is transported onto the transporting elevator 21 so as to come into contact with the restricting portion 22 as shown in FIG. The restricting portion 22 is provided in the vicinity of the transport elevator 21 and is positioned below the upstream end of the heat-resistant conveyor 30 in the transport direction.

次に、制御部11は、エレベータ駆動部16により、搬送用のエレベータ21を上方に移動するように制御を行う。また、搬送用のエレベータ21により、フィルムに包まれた被包装物Wを、耐熱コンベア30の搬送面と同じ高さまで移動した場合、制御部11は、搬送用のエレベータ21を停止させる制御を行う(図5(a)、図5(b)参照)。   Next, the control unit 11 controls the elevator drive unit 16 to move the transport elevator 21 upward. Moreover, when the to-be-packaged object W wrapped in the film is moved to the same height as the transport surface of the heat-resistant conveyor 30 by the transport elevator 21, the control unit 11 performs control to stop the transport elevator 21. (See FIG. 5A and FIG. 5B).

次に、制御部11は、押出部23により、フィルムに包まれた被包装物Wを、耐熱コンベア30の搬送路上へ、所定の速度vで押し出すように駆動制御する(図5(b)、図5(c)参照)。また、制御部11は、コンベア上の被包装物Wが所定の速度vで移動するように、耐熱コンベア30を回転駆動する。
なお、押出部23により被包装物Wを押し出す場合、耐熱コンベアの搬送方向上流側の端部に、フリーローラを設けることにより、被包装物の底面側のフィルムのつっかかりを防止してもよい。また、このフリーローラを、溶着補助用の加熱ローラにしてもよい。
Next, the control unit 11 drives and controls the extrusion unit 23 so as to extrude the article W to be wrapped in the film onto the conveyance path of the heat-resistant conveyor 30 at a predetermined speed v (FIG. 5B). (Refer FIG.5 (c)). Moreover, the control part 11 rotationally drives the heat-resistant conveyor 30 so that the to-be-packaged goods W on a conveyor move with the predetermined speed v.
In addition, when extruding the to-be-packaged object W by the extrusion part 23, you may prevent the film on the bottom side of the to-be-packaged object from being caught by providing a free roller at the upstream end in the transport direction of the heat-resistant conveyor. . The free roller may be a heating roller for assisting welding.

また、押出部よる押出しを検知する押出検知センサが設けられていてもよい。この押出検知センサによる検出結果は、被包装物Wが押し出されてから第1の熱源41の中央部まで移動する距離を制御する際に参照される。   Moreover, the extrusion detection sensor which detects the extrusion by an extrusion part may be provided. The detection result by the extrusion detection sensor is referred to when the distance to be moved to the central portion of the first heat source 41 after the article to be packaged W is pushed out is referred to.

次に、制御部11は、図5(d)に示したように、第1の熱源41上に、フィルムに包まれた被包装物Wが位置したことを、位置検知部などにより検知した場合、耐熱コンベアを停止させる制御を行う。所定時間停止させることで、被包装物Wを包むフィルムの折込部を熱溶着させる。また、制御部11は、必要に応じて、押圧部51を下方へ移動させ、被包装物Wを熱源側へ押圧した後、押圧部51を上方に移動するように制御を行う。
また、本実施形態では、コンベア停止時間が短いなどの要因により、第1の熱源による加熱では、フィルムの折込部の熱溶着が未完全な状態であり、次段の第2の熱源による加熱で完全に、フィルムの折込部を熱溶着させる場合を説明する。
そして、制御部11は、フィルム包装部において、後続の被包装物Wをフィルムで包み、被包装物Wの下面側にフィルムを折り込んだ後、規制部22に当接するように、搬送用のエレベータ21上へその後続の被包装物Wを搬送する。
Next, as shown in FIG. 5D, the control unit 11 detects that the package W wrapped in the film is positioned on the first heat source 41 by the position detection unit or the like. Control to stop the heat-resistant conveyor. By stopping for a predetermined time, the folded portion of the film that wraps the article W to be packaged is thermally welded. Moreover, the control part 11 performs control so that the press part 51 may be moved upward, after moving the press part 51 below as needed and pressing the to-be-packaged goods W to the heat source side.
Further, in the present embodiment, due to factors such as a short conveyor stop time, in the heating by the first heat source, the thermal welding of the film folding portion is incomplete, and the heating by the second heat source in the next stage The case where the folded part of the film is completely heat-welded will be described.
Then, the control unit 11 wraps the subsequent package W in the film packaging unit, folds the film on the lower surface side of the package W, and then comes into contact with the regulating unit 22 so as to contact the regulating unit 22. The subsequent package W is conveyed onto 21.

次に、制御部11は、エレベータ駆動部16により、搬送用のエレベータ21を上方に移動するように制御を行う。また、搬送用のエレベータ21により、フィルムに包まれた被包装物Wを、耐熱コンベア30の搬送面と同じ高さまで移動した場合、制御部11は、搬送用のエレベータ21を停止させる制御を行う(図5(d)、図5(e)参照)。   Next, the control unit 11 controls the elevator drive unit 16 to move the transport elevator 21 upward. Moreover, when the to-be-packaged object W wrapped in the film is moved to the same height as the transport surface of the heat-resistant conveyor 30 by the transport elevator 21, the control unit 11 performs control to stop the transport elevator 21. (See FIGS. 5D and 5E).

そして、図5(e)に示したように、制御部11は、後続の被包装物(第2の被包装物)を押出部23により耐熱コンベア30上へ押出すタイミングよりも前に、詳細には、制御部11により算出された所定時間tだけ前に、第1の熱源41上に位置する、先の被包装物(第1の被包装物)を所定の速度vで搬送方向下流側に搬送するように、耐熱コンベア30を駆動部18により駆動制御を開始する。   And as shown in FIG.5 (e), the control part 11 is detailed before the timing which extrudes the subsequent to-be-packaged object (2nd to-be-packaged object) on the heat-resistant conveyor 30 by the extrusion part 23. Includes a previous packaged object (first packaged object) positioned on the first heat source 41 at a predetermined speed v before the predetermined time t calculated by the control unit 11 at the downstream side in the transport direction. Drive control of the heat-resistant conveyor 30 is started by the drive part 18 so that it may convey.

そして、制御部11は、図5(f)に示したように、先の被包装物Wが第2の熱源42上に位置すると同時に、後続の被包装物Wが第1の熱源41上に位置したときに、耐熱コンベアを所定時間停止させるように制御することにより、第2の熱源42上に位置する先の被包装物Wを包むフィルムの折込部を確実に熱溶着させ、且つ、第1の熱源41上に位置する後続の被包装物Wを包むフィルムを所定時間加熱することにより、熱溶着することができる。
すなわち、包装サイクル所要時間と略同じ時間、各熱源の中央部で停止することができるので、熱源上に停止するための回数が本実施形態では2回である。
Then, as shown in FIG. 5 (f), the control unit 11 places the preceding package W on the first heat source 41 at the same time that the previous package W is positioned on the second heat source 42. By controlling the heat-resistant conveyor to stop for a predetermined time when it is positioned, the folded portion of the film that wraps the previous package W positioned on the second heat source 42 is surely thermally welded, and the first It is possible to perform heat welding by heating a film that wraps the subsequent article W to be packaged located on one heat source 41 for a predetermined time.
That is, since it can be stopped at the center of each heat source for approximately the same time as the packaging cycle required time, the number of times for stopping on the heat source is two in this embodiment.

制御部11は、上述したように、後続の被包装物(第2の被包装物)を、押出部23により耐熱コンベア30上へ押出すタイミングよりも所定時間tだけ前に、耐熱コンベア30を回転駆動するが、この所定時間tの算出処理を詳細に説明する。   As described above, the control unit 11 sets the heat-resistant conveyor 30 at a predetermined time t before the timing of pushing the subsequent packaged object (second packaged object) onto the heat-resistant conveyor 30 by the extruding unit 23. Although it is rotationally driven, the calculation process of the predetermined time t will be described in detail.

コンベア駆動開始時から所定時間tだけ経過後、被包装物Wが、第1の熱源41上の位置から搬送方向下流側へ速度vで移動した距離bは、数式(1)により算出される。   After a predetermined time t has elapsed from the start of driving the conveyor, the distance b that the packaged article W has moved from the position on the first heat source 41 to the downstream side in the transport direction at the speed v is calculated by Equation (1).

Figure 2018144847
Figure 2018144847

コンベア駆動時の耐熱コンベア30上の被包装物Wの搬送方向下流側への速度vは、押出部23による被包装物Wを押し出す速度vと同じに設定されている。   The speed v toward the downstream side in the transport direction of the article W on the heat-resistant conveyor 30 when the conveyor is driven is set to be the same as the speed v at which the article W is pushed out by the extruding unit 23.

Figure 2018144847
Figure 2018144847

また、第1の熱源41の中央の位置と第2の熱源42の中央の位置との間の距離をaとする。数式(2)において、a−bは、第1の熱源41上から搬送方向下流側へ速度vで時間tだけ移動した位置と、第2の熱源42との間の距離である。
また、数式(2)において、距離cは、エレベータ21により上昇された被包装物Wの先端位置から、第1の熱源41の中央部までの距離である。数式(2)において、被包装物W(トレイ)の奥行寸法Lの半分の距離(L/2)は、被包装物Wの端部から中央部までの距離を示している。
そして、数式(1)と数式(2)により、数式(3)が導出される。
Further, a is a distance between the center position of the first heat source 41 and the center position of the second heat source 42. In Equation (2), a−b is the distance between the second heat source 42 and the position moved from the first heat source 41 to the downstream side in the conveying direction at the speed v for the time t.
Further, in Expression (2), the distance c is a distance from the tip position of the article W to be packaged raised by the elevator 21 to the center portion of the first heat source 41. In Formula (2), the distance (L / 2) half of the depth dimension L of the article to be packaged W (tray) indicates the distance from the end to the center of the article to be packaged W.
Then, Equation (3) is derived from Equation (1) and Equation (2).

Figure 2018144847
Figure 2018144847

すなわち、後続の被包装物(第2の被包装物)を、押出部23により耐熱コンベア30上へ押出すタイミングよりも所定時間tだけ前に、耐熱コンベア30を駆動開始すれば、第1の熱源41と第2の熱源42上それぞれに、被包装物Wを位置させることができる。   That is, if driving of the heat-resistant conveyor 30 is started a predetermined time t before the timing of pushing the subsequent packaged object (second packaged object) onto the heat-resistant conveyor 30 by the extruding unit 23, the first The articles to be packaged W can be positioned on the heat source 41 and the second heat source 42, respectively.

次に、本発明の実施形態に係る包装装置の包装フィルムの材質や被包装物の奥行寸法などに応じた動作の一例を説明する。
表1は、包装フィルムの材質、被包装物の搬送方向の長さ(奥行)、第1の熱源41の温度、第2の熱源の温度、耐熱コンベアの停止時間、押圧部による押圧の「あり」または「なし」の関係の一例を示している。本実施形態では、包装装置の記憶部13は表1に示す関係を記憶している。表1における各項目の数値については例示である。
Next, an example of the operation | movement according to the material of the packaging film of the packaging apparatus which concerns on embodiment of this invention, the depth dimension of a to-be-packaged object, etc. is demonstrated.
Table 1 shows the material of the packaging film, the length (depth) in the conveyance direction of the article to be packaged, the temperature of the first heat source 41, the temperature of the second heat source, the stop time of the heat-resistant conveyor, and the pressing by the pressing unit. ”Or“ none ”. In the present embodiment, the storage unit 13 of the packaging device stores the relationship shown in Table 1. The numerical values of the items in Table 1 are examples.

Figure 2018144847
Figure 2018144847

本発明の実施形態に係る包装装置の制御部11は、例えば、表示操作部Dからの設定信号や奥行寸法検知部SAからの検出信号により、フィルムの材質や被包装物の搬送方向の長さ(奥行寸法)を取得し、そのフィルムの材質や被包装物の搬送方向の長さ(奥行寸法)、及び記憶部13から読み出した表1のデータに基づいて、第1の熱源41の温度、第2の熱源42の温度、被包装物が熱源上に位置した時の耐熱コンベアの停止時間、押圧部による押圧の「あり」または「なし」を制御する。例えば、表1に示した耐熱コンベアの停止時間は、熱源上にて、被包装物Wを包むフィルムが溶融しない時間となるように規定されている。   The control unit 11 of the packaging device according to the embodiment of the present invention, for example, by the setting signal from the display operation unit D or the detection signal from the depth dimension detection unit SA, the length of the film material or the length of the package in the transport direction. (Depth dimension) is acquired, based on the material of the film and the length in the transport direction of the package (depth dimension), and the data of Table 1 read from the storage unit 13, the temperature of the first heat source 41, The temperature of the second heat source 42, the stop time of the heat-resistant conveyor when the article to be packaged is positioned on the heat source, and “present” or “none” of pressing by the pressing unit are controlled. For example, the stop time of the heat-resistant conveyor shown in Table 1 is defined to be a time during which the film that wraps the article W to be wrapped does not melt on the heat source.

詳細には、被包装物の搬送方向の長さ(=奥行寸法)が短いほど、フィルム折込分のフィルムの重なりが多くなり、重なったフィルムの間の空気などの影響により、フィルムが溶着し難くなる。よって、制御部11は、被包装物の搬送方向の長さ(=奥行寸法)が短いほど、熱源上の停止時間を長めに設定することで、溶着の障害になる空気を除き、確実にフィルムを溶着することができる。   Specifically, the shorter the length (= depth dimension) in the transport direction of the package, the more the film overlaps, and the more difficult it is to weld the film due to the influence of air between the overlapped films. Become. Therefore, the control unit 11 can reliably set the film except for air that becomes an obstacle to welding by setting a longer stop time on the heat source as the length of the packaged object in the conveyance direction (= depth dimension) is shorter. Can be welded.

また、押圧部による押圧は、重なったフィルムの間の空気を除く上で有効な作用であるが、押圧部を未使用の場合、その作用が利用できない。本実施形態の包装装置の制御部11は、押圧部による押圧を行わない場合の熱源上の被包装物の停止時間(第1の停止時間)を、押圧部による押圧を行う場合の熱源上の被包装物の停止時間(第2の停止時間)と比較して長く設定するように制御を行う。また、本実施形態の包装装置の制御部11は、押圧部による押圧を行わない場合の熱源の温度(第1の温度)を、押圧部による押圧を行う場合の熱源の温度(第2の温度)と比較して高温に設定するように制御を行う。すなわち、包装装置は、被包装物を包むフィルムを確実に熱溶着することができる。   Further, the pressing by the pressing part is an effective action for removing air between the overlapping films, but the action cannot be used when the pressing part is not used. The control unit 11 of the packaging device of the present embodiment sets the stop time (first stop time) of the object to be packaged on the heat source when the pressing by the pressing unit is not performed on the heat source when the pressing by the pressing unit is performed. Control is performed so as to set a longer time than the stop time (second stop time) of the package. Moreover, the control part 11 of the packaging apparatus of this embodiment uses the temperature (second temperature) of the heat source when the pressing by the pressing part is performed as the temperature (first temperature) of the heat source when the pressing by the pressing part is not performed. Control is performed so that the temperature is set higher than In other words, the packaging device can reliably heat-weld the film that wraps the package.

また、包装フィルムとして、ポリオレフィンは、ポリ塩化ビニールと比較して融点が低いので、表1に示したように、包装装置の制御部11は、包装フィルムとしてポリオレフィンを用いる場合、1つの熱源(例えば第1の熱源だけ)による被包装物を包むフィルムに対する加熱で、熱溶着を完了するように制御を行い、包装フィルムとしてポリ塩化ビニールを用いる場合、第1の熱源、及び第2の熱源による、被包装物を包むフィルムに対する加熱で、熱溶着を完了するように制御を行う。すなわち、包装装置の制御部11は、包装フィルムの材質の融点に応じて複数の熱源のうち1つ又は複数の熱源の加熱を制御することで、包装フィルムの材質に最適な熱溶着を行うことができ、詳細には、確実にきれいに熱溶着を行うことができる。   In addition, since polyolefin has a lower melting point than polyvinyl chloride as a packaging film, as shown in Table 1, the control unit 11 of the packaging apparatus uses one heat source (for example, when polyolefin is used as the packaging film). By heating the film that wraps the article to be packaged by only the first heat source), control is performed to complete the thermal welding, and when using polyvinyl chloride as the packaging film, the first heat source and the second heat source are used. Control is performed so that the heat welding is completed by heating the film that wraps the package. That is, the control unit 11 of the packaging device performs the optimum heat welding for the material of the packaging film by controlling the heating of one or more of the plurality of heat sources according to the melting point of the material of the packaging film. In detail, the heat welding can be performed reliably and accurately.

また、包装装置の制御部11は、上記いくつかの条件を組み合わせて熱源の温度や熱源上の停止時間を総合的に制御することで、被包装物を確実に熱溶着することができる。
また、包装装置は上述した制御を行うことで、消費電力を低減(節電)することができ、耐熱コンベアや熱源の使用期間を延長することができる。
尚、熱源の温度調整や熱源上の停止時間は、フィルムセット時のフィルム種類の設定登録に応じて、切替えることのみでも十分な効果が期待できる。
Moreover, the control part 11 of a packaging apparatus can heat-weld a to-be-packaged object reliably by combining the said several conditions and comprehensively controlling the temperature of a heat source, and the stop time on a heat source.
Moreover, the packaging apparatus can reduce power consumption (power saving) by performing the control mentioned above, and can extend the use period of a heat-resistant conveyor and a heat source.
In addition, sufficient effects can be expected only by switching the temperature adjustment of the heat source and the stop time on the heat source according to the setting registration of the film type at the time of setting the film.

以上、説明したように、本発明の実施形態に係る包装装置100は、被包装物Wを包むようにフィルムを折り込むことにより包装を行う。包装装置100は、フィルムに包まれた被包装物Wを搬送方向に搬送する耐熱コンベア30と、耐熱コンベアを駆動する駆動部18と、フィルムに包まれた被包装物Wを耐熱コンベア30の搬送路へ押し出す押出部23と、耐熱コンベア30の搬送路に、搬送方向上流から下流に向かって所定間隔に配置され、被包装物Wを包むフィルムの折込部を溶着する、複数の熱源40(41、42)と、駆動部18を介して耐熱コンベア30の回転及び停止のタイミングを制御し、被包装物Wのフィルムの折込部を熱源上に一定時間停止するように制御する制御部11と、を有する。
すなわち、簡単な構造で、2つ以上の熱源により、被包装物を包むフィルムの折込部を熱溶着するように制御を行うので、確実にフィルムを熱溶着する小型の包装装置を提供することができる。
詳細には、耐熱コンベアを駆動することで被包装物を第1の熱源41上、第2の熱源42上で所定時間停止するように制御を行うので、被包装物Wを包むフィルムの折込部を熱溶着することができ、短時間に大量に、被包装物Wを包むフィルムを確実に熱溶着することができる。
また、本実施形態では、搬送路の搬送方向上流から下流に向かって複数の熱源40が所定間隔で配置されており、この間隔が比較的短いので、小型の包装装置100を提供することができる。また、所定時間(単位時間)当たりの包装可能個数が多い小型の包装装置を提供することができる。
As described above, the packaging device 100 according to the embodiment of the present invention performs packaging by folding a film so as to wrap the article to be packaged W. The packaging apparatus 100 includes a heat-resistant conveyor 30 that conveys an article W wrapped in a film in the conveyance direction, a drive unit 18 that drives the heat-resistant conveyor, and an object W wrapped in a film that conveys the article W wrapped in a film. A plurality of heat sources 40 (41), which are disposed at predetermined intervals from the upstream side to the downstream side in the transport direction and are welded to the folded portions of the film that wraps the article W to be packed in the transporting path of the extrusion unit 23 and heat-resistant conveyor 30 that are extruded to the path. 42), and the control unit 11 that controls the rotation and stop timing of the heat-resistant conveyor 30 via the drive unit 18 and controls the folding part of the film of the package W to be stopped on the heat source for a certain period of time, Have
That is, since the control is performed so that the folded portion of the film that wraps the package is heat-sealed by two or more heat sources with a simple structure, a small packaging device that reliably heat-heats the film can be provided. it can.
In detail, since it controls so that a to-be-packaged object may stop on the 1st heat source 41 and the 2nd heat source 42 by driving a heat-resistant conveyor, the folding part of the film which wraps the to-be-packaged object W Can be heat-welded, and the film that wraps the article W to be packaged can be reliably heat-welded in a large amount in a short time.
Moreover, in this embodiment, since the several heat source 40 is arrange | positioned at predetermined intervals toward the downstream from the conveyance direction of a conveyance path, and this space | interval is comparatively short, the small packaging apparatus 100 can be provided. . Further, it is possible to provide a small packaging apparatus having a large number of packages that can be packaged per predetermined time (unit time).

また、本発明の実施形態に係る包装装置100の制御部11は、被包装物Wの奥行寸法に応じて、押出部により後続の被包装物Wを搬送路上へ押し出す前に、耐熱コンベアを駆動部により回転駆動する。
すなわち、所定時間(単位時間)当たりの包装可能個数が多い小型の包装装置100を提供することができる。
Moreover, the control part 11 of the packaging apparatus 100 which concerns on embodiment of this invention drives a heat-resistant conveyor, before pushing the subsequent to-be-packaged goods W on a conveyance path by an extrusion part according to the depth dimension of the to-be-packaged goods W. It is rotated by the part.
That is, it is possible to provide a small packaging device 100 having a large number of packages that can be packaged per predetermined time (unit time).

また、本発明の実施形態に係る包装装置100は、被包装物の搬送方向の長さ(奥行寸法)を検知する寸法検知部(奥行寸法検知部SA)を有する。制御部11は、寸法検知部(奥行寸法検知部SA)により検知された被包装物Wの搬送方向の長さ(奥行寸法)に基づいて、耐熱コンベア30の回転及び停止のタイミングを制御する。
すなわち、予め被包装物Wの奥行寸法を設定していない場合であっても、制御部11が、寸法検知部(奥行寸法検知部SA)により検知された被包装物Wの搬送方向の長さ(奥行寸法)に基づいて、耐熱コンベア30の回転及び停止のタイミングを制御することで、被包装物を包むフィルムの折込部を簡単に、確実に熱溶着する小型の包装装置を提供することができる。
Moreover, the packaging apparatus 100 which concerns on embodiment of this invention has the dimension detection part (depth dimension detection part SA) which detects the length (depth dimension) of the conveyance direction of a to-be-packaged item. The control unit 11 controls the rotation and stop timing of the heat-resistant conveyor 30 based on the length (depth dimension) in the transport direction of the article W to be packaged detected by the dimension detection unit (depth dimension detection unit SA).
That is, even in the case where the depth dimension of the article W to be packaged is not set in advance, the length in the transport direction of the article W to be packaged, which is detected by the dimension detection unit (depth dimension detection unit SA) by the control unit 11. By providing the rotation and stop timing of the heat-resistant conveyor 30 based on (depth dimension), it is possible to provide a small packaging device that easily and reliably heat-welds a folded portion of a film that wraps an article to be packaged. it can.

また、本発明の実施形態に係る包装装置100は、少なくとも被包装物の搬送方向の長さ(奥行寸法)を記憶する記憶部を有する。制御部11は、記憶部に記憶されている被包装物の搬送方向の長さ(奥行寸法)に基づいて、耐熱コンベアの回転及び停止のタイミングを制御する。
詳細には、例えば、操作者などにより、被包装物の奥行寸法に関する情報が入力部(表示操作部)などから入力されて記憶部に記憶される。また、被包装物の奥行寸法に関する情報は、他のコンピュータから通信部を介して受信して記憶部に記憶されてもよい。また、奥行寸法検知部によりに予め検出された被包装物の奥行寸法が記憶部に記憶されてもよい。制御部は、その記憶部に記憶されている、被包装物の奥行寸法を示す情報を記憶部に記憶してもよい。
すなわち、同じ種類の被包装物を包装する場合、毎回、奥行寸法検知部により被包装物の奥行寸法を検知することなく、被包装物を包むフィルムを確実に熱溶着することができる。
Moreover, the packaging apparatus 100 which concerns on embodiment of this invention has a memory | storage part which memorize | stores the length (depth dimension) of the conveyance direction of a to-be-packaged item at least. The control unit 11 controls the rotation and stop timing of the heat-resistant conveyor based on the length (depth dimension) in the transport direction of the article to be packaged stored in the storage unit.
Specifically, for example, information related to the depth dimension of the package is input from an input unit (display operation unit) or the like by an operator or the like and stored in the storage unit. Moreover, the information regarding the depth dimension of a to-be-packaged item may be received via a communication part from another computer, and may be memorize | stored in a memory | storage part. Moreover, the depth dimension of the article to be packaged previously detected by the depth dimension detection unit may be stored in the storage unit. The control unit may store information indicating the depth dimension of the packaged item stored in the storage unit in the storage unit.
That is, when packaging the same type of packaged object, the film surrounding the packaged object can be reliably heat-welded without detecting the depth dimension of the packaged object by the depth dimension detection unit each time.

また、本発明の実施形態に係る包装装置100の制御部11は、熱源40上にて、被包装物Wを包むフィルムが溶融しないように、耐熱コンベア30を停止させる時間を規定する。詳細には、被包装物Wを包むフィルムの折込部の熱溶着のし易さは、フィルムの材質、被包装物の材質、折込部の折込み方、被包装物の温度、被包装物の比熱などにより、最適な加熱温度や最適なコンベア停止時間などが異なる。比較的短時間の加熱でフィルムの折込部の熱溶着が完了するような被包装物をフィルム包装する場合、耐熱コンベアを停止している時間を基準停止時間よりも短くし、最適なコンベア停止時間、最適な加熱温度でフィルムの折込部を熱溶着する制御を制御部11が行う。なお、この場合、第1の熱源による加熱温度を基準温度よりも低い温度に設定してもよい。また、熱源の温度調整を行った後、所望の温度に安定するには一定の時間を要する   Moreover, the control part 11 of the packaging apparatus 100 which concerns on embodiment of this invention prescribes | regulates the time which stops the heat-resistant conveyor 30 on the heat source 40 so that the film which wraps the to-be-packaged object W may not fuse | melt. In detail, the ease of heat welding of the folded portion of the film that wraps the package W is determined by the film material, the material of the package, how to fold the folded portion, the temperature of the package, the specific heat of the package. The optimum heating temperature and the optimum conveyor stop time vary depending on the factors. When film-wrapping an object to be heat-sealed in a relatively short time, the heat-resistant conveyor is stopped shorter than the reference stop time, and the optimal conveyor stop time The control unit 11 performs control for heat-welding the folded portion of the film at an optimum heating temperature. In this case, the heating temperature by the first heat source may be set to a temperature lower than the reference temperature. Also, after adjusting the temperature of the heat source, it takes a certain time to stabilize at the desired temperature.

また、比較的長時間の加熱でフィルムの折込部の熱溶着が完了するような被包装物をフィルム包装する場合、比較的短時間の加熱でフィルムの折込部の熱溶着が完了するような被包装物とは逆に、後段の熱源でも耐熱コンベアを所定時間より長く停止して、所定の温度で加熱して、フィルムの折込部を熱溶着させる制御を制御部11が行う。   In addition, when packaging an object to be packaged such that the heat-welding of the folded portion of the film is completed by heating for a relatively long time, the coating is performed so that the heat-welding of the folded portion of the film is completed by heating for a relatively short time. Contrary to the package, the control unit 11 performs control for stopping the heat-resistant conveyor longer than a predetermined time even at a subsequent heat source and heating it at a predetermined temperature to thermally weld the folded portion of the film.

制御部11は、被包装物を包むフィルムの折込部の溶着が完了した場合、例えば、被包装物を包むフィルムの折込部の溶着が完了した位置よりも搬送方向下流側に位置する熱源上で、被包装物が停止しないように、耐熱コンベアの回転駆動を制御する。また、後段の第2の熱源を加熱せずに約室温としてもよい。   When the welding of the folded portion of the film that wraps the packaged object is completed, the control unit 11, for example, on the heat source located on the downstream side in the transport direction from the position where the welding of the folded part of the film that wraps the packaged object is completed. The rotational drive of the heat-resistant conveyor is controlled so that the article to be packaged does not stop. Moreover, it is good also as about room temperature, without heating the 2nd heat source of a back | latter stage.

また、本発明の実施形態に係る包装装置100の制御部11は、被包装物Wの商品特性や環境特性である商品寸法、質量、フィルムの材質、環境温度、熱源温度などの条件から溶着時間を算出する溶着時間算出部を有し、該算出した溶着時間、または被包装物個別に記憶された溶着時間に基づいて、該被包装物個別にフィルムの折込部を溶着し、その折込部の溶着が完了した位置の熱源よりも搬送方向下流側に位置する熱源上で、前記被包装物が停止しないように、耐熱コンベアの回転駆動を制御してもよい。この制御部11による制御は、被包装物が連続しない場合に行われる。すなわち、フィルムの折込部の熱溶着が完了した場合、その熱溶着が完了した位置の熱源よりも搬送方向下流側に位置する熱源上で前記被包装物が停止しないので、折込部への過剰な加熱を防止し、確実にきれいな熱溶着を行うことができる。   Moreover, the control part 11 of the packaging apparatus 100 which concerns on embodiment of this invention is welding time from conditions, such as the product dimension of the to-be-wrapped product W, and the product characteristic and environmental characteristics, mass, the material of a film, environmental temperature, heat source temperature. A welding time calculation unit for calculating the film, and based on the calculated welding time or the welding time stored individually for each packaged object, the film folding part is welded individually for each packaged object. You may control the rotational drive of a heat-resistant conveyor so that the said to-be-packaged item may not stop on the heat source located in the conveyance direction downstream rather than the heat source of the position where welding was completed. The control by the control unit 11 is performed when the objects to be packaged are not continuous. That is, when the thermal welding of the folded portion of the film is completed, the packaged object does not stop on the heat source located on the downstream side in the transport direction with respect to the heat source at the position where the thermal welding is completed. Heating can be prevented and clean heat welding can be surely performed.

また、本発明の実施形態に係る包装装置100は、被包装物を熱源側へ押圧する押圧部を有する。すなわち、熱源上に位置し、フィルムに包まれた被包装物を、押圧部により熱源側に押圧することで、フィルムの折込部をきれいに且つ確実に熱溶着させることができる。   Moreover, the packaging apparatus 100 which concerns on embodiment of this invention has a press part which presses a to-be-packaged item to the heat-source side. That is, the folded portion of the film can be cleanly and reliably heat-welded by pressing the object to be packaged, which is located on the heat source and wrapped in the film, to the heat source side by the pressing portion.

また、本発明の実施形態に係る包装装置100の制御部11は、記憶部に記憶された被包装物Wに関する商品特性情報に基づいて、押圧部51による押圧を制御する。詳細には、例えば、被包装物Wに関する商品特性情報として、押圧対象の商品又は非押圧対象の商品を示す情報を含む。非押圧対象である商品としては、詳細には、刺身、いちご、山盛りの商品や、可塑性を有する商品等を挙げることができる。また、制御部11は、押圧部51の下方に非押圧対象の商品が位置した場合であっても、押圧部51による被包装物Wへ押圧しないように制御を行う。すなわち、非押圧対象の被包装物Wとしての商品を破壊や変形を防ぐことができる。この場合の熱源停止時間の調整は、包装サイクルを変更することであり、それは耐熱コンベアの速度調整することである。   Moreover, the control part 11 of the packaging apparatus 100 which concerns on embodiment of this invention controls the press by the press part 51 based on the product characteristic information regarding the to-be packaged object W memorize | stored in the memory | storage part. Specifically, for example, information indicating the product to be pressed or the product to be non-pressed is included as the product characteristic information regarding the package W. Examples of products that are not pressed include sashimi, strawberry, heaping products, and plastic products. Further, the control unit 11 performs control so as not to press the article W to be packaged by the pressing unit 51 even when a non-pressing target product is located below the pressing unit 51. That is, it is possible to prevent the product as the non-pressed object W to be broken or deformed. The adjustment of the heat source stop time in this case is to change the packaging cycle, which is to adjust the speed of the heat-resistant conveyor.

以上、本発明の実施形態について図面を参照して詳述してきたが、具体的な構成はこれらの実施形態に限られるものではなく、本発明の要旨を逸脱しない範囲の設計の変更等があっても本発明に含まれる。
また、上述の各図で示した実施形態は、その目的及び構成等に特に矛盾や問題がない限り、互いの記載内容を組み合わせることが可能である。
また、各図の記載内容はそれぞれ独立した実施形態になり得るものであり、本発明の実施形態は各図を組み合わせた一つの実施形態に限定されるものではない。
As described above, the embodiments of the present invention have been described in detail with reference to the drawings. However, the specific configuration is not limited to these embodiments, and there are design changes and the like without departing from the gist of the present invention. Is included in the present invention.
Further, the embodiments described in the above drawings can be combined with each other as long as there is no particular contradiction or problem in the purpose and configuration.
Moreover, the description content of each figure can become independent embodiment, respectively, and embodiment of this invention is not limited to one embodiment which combined each figure.

上記実施形態では、包装装置は、搬送路に第1の熱源と第2の熱源が搬送方向に沿って所定間隔で配置されていたが、この実施形態に限られるものではなく、搬送路に複数の熱源が搬送方向に沿って所定間隔で配置されていてもよい。   In the above-described embodiment, the packaging device has the first heat source and the second heat source arranged at predetermined intervals along the conveyance direction in the conveyance path. However, the present invention is not limited to this embodiment. These heat sources may be arranged at predetermined intervals along the transport direction.

なお、制御部11は、盛り付け崩れのある被包装物の場合、耐熱コンベアによる被包装物の搬送速度vを、通常の搬送速度よりも遅くして、すなわち、包装サイクルをスローモードにしたり、押圧部による押圧を行わないように制御を行ってもよい。   In addition, in the case of a packaged object with a misalignment, the control unit 11 sets the conveyance speed v of the packaged object by the heat-resistant conveyor slower than the normal conveyance speed, that is, sets the packaging cycle to the slow mode or presses You may control so that the press by a part may not be performed.

また、包装装置の搬入コンベア71(トレイ搬入機構)は、上述した実施形態に限られるものではない。図6は包装装置のトレイ搬入機構の一例を説明するための図である。詳細には、図6(a)は本発明の実施形態に係る包装装置のトレイ搬入機構の一例を説明するための図である。図6(b)は比較例に係るトレイ搬入機構の一例を示す図である。   Moreover, the carrying-in conveyor 71 (tray carrying-in mechanism) of a packaging apparatus is not restricted to embodiment mentioned above. FIG. 6 is a view for explaining an example of a tray carry-in mechanism of the packaging apparatus. In detail, Fig.6 (a) is a figure for demonstrating an example of the tray carrying-in mechanism of the packaging apparatus which concerns on embodiment of this invention. FIG. 6B is a diagram illustrating an example of a tray carry-in mechanism according to a comparative example.

被包装物Wは、前工程の盛付コンベアなどから搬送される。包装装置の包装部へ被包装物Wを搬入される場合、搬入口で被包装物Wを包装部中央へ位置調整するために、センタリング装置による幅寄せなどを行う。本発明の実施形態に係る包装装置は、被包装物Wが連続して包装部内へ搬入されないように、センタリング装置の搬送手段に、アキュームレートコンベアとストッパSPを用いて、後続の被包装物Wと切り離しを行うことにより、後続の被包装物が先行の被包装物へ乗り上げる等の不具合を回避するように構成されていてもよい。   The to-be-packaged goods W are conveyed from the serving conveyor of the previous process. When the article to be packaged W is carried into the packaging section of the packaging apparatus, the centering apparatus performs width adjustment to adjust the position of the article to be packaged W to the center of the packaging section at the entrance. The packaging apparatus according to the embodiment of the present invention uses the accumulation conveyor and the stopper SP as the conveying means of the centering apparatus so that the packaged goods W are not continuously carried into the packaging unit. It may be configured so as to avoid problems such as the subsequent packaged article climbing onto the preceding packaged article by separating from the above.

また、コスト面で前述のようなセンタリング装置を準備できない場合や、手載せによる簡易的なトレイ搬入機構として、包装装置に、フリー駆動のコロコンコンベアなどを傾斜させて設置してもよい。被包装物Wの自重による搬入となるので、先行する被搬送物と後続の被搬送物とを分離する方法も、傾斜角度の調整やコロコンコンベアに被搬送物が乗り移るタイミングを調整する必要が発生する。そこで、ソレノイドスイッチなどの可動型当接装置KTを利用し、コロコンの特定区間を停止させて、被包装物を分離させるような構造を採用してもよい。これにより様々な包装ラインの構成を実現できるようになる。   Further, when the above-described centering device cannot be prepared in terms of cost, or as a simple tray carry-in mechanism by hand, a free-drive roller-conveyor or the like may be installed at an inclination on the packaging device. Since the packaged item W is carried in by its own weight, it is necessary to adjust the inclination angle and the timing at which the conveyed item is transferred to the roller-conveyor for the method of separating the preceding and subsequent conveyed items. To do. In view of this, a structure may be adopted in which a movable contact device KT such as a solenoid switch is used to stop a specific section of the roller contact and separate the package. This makes it possible to realize various packaging line configurations.

11…制御部
30…耐熱コンベア
31…無端状ベルト
40…熱源
41…第1の熱源
42…第2の熱源
51…押圧部
100…包装装置(ヒートシール装置)
SA…奥行寸法検知部(寸法検知部)
W…被包装物(物品)
DESCRIPTION OF SYMBOLS 11 ... Control part 30 ... Heat-resistant conveyor 31 ... Endless belt 40 ... Heat source 41 ... 1st heat source 42 ... 2nd heat source 51 ... Press part 100 ... Packaging apparatus (heat seal apparatus)
SA: Depth dimension detector (dimension detector)
W ... Package (article)

Claims (7)

被包装物を包むようにフィルムを折り込むことにより包装を行う包装装置であって、
フィルムに包まれた被包装物を搬送方向に搬送する耐熱コンベアと、
前記耐熱コンベアを駆動する駆動部と、
フィルムに包まれた被搬送物を前記耐熱コンベアの搬送路へ押し出す押出部と、
前記耐熱コンベアの搬送路に、搬送方向上流から下流に向かって所定間隔に配置され、前記被包装物を包むフィルムの折込部を溶着する、複数の熱源と、
前記駆動部を介して前記耐熱コンベアの回転及び停止のタイミングを制御し、前記被包装物のフィルムの折込部を、前記熱源上に一定時間停止するように制御する制御部と、
を有することを特徴とする包装装置。
A packaging device for packaging by folding a film so as to wrap an article to be wrapped,
A heat-resistant conveyor for transporting an article wrapped in a film in the transport direction;
A drive unit for driving the heat-resistant conveyor;
An extruding unit for extruding an object to be conveyed wrapped in a film to a conveying path of the heat-resistant conveyor;
A plurality of heat sources, which are arranged at predetermined intervals from the upstream to the downstream in the transport direction on the transport path of the heat-resistant conveyor, and weld a folded portion of the film that wraps the article to be packaged,
A control unit that controls the rotation and stop timing of the heat-resistant conveyor via the drive unit, and controls the folded portion of the film of the package to be stopped on the heat source for a certain period of time;
A packaging device comprising:
前記被包装物の搬送方向の長さを検知する寸法検知部を有し、
前記制御部は、前記寸法検知部により検知された前記被包装物の搬送方向の長さに基づいて、前記耐熱コンベアの回転及び停止のタイミングを制御することを特徴とする請求項1に記載の包装装置。
Having a dimension detection unit for detecting the length of the package in the transport direction;
The said control part controls the rotation and stop timing of the said heat-resistant conveyor based on the length of the conveyance direction of the said to-be-packaged object detected by the said dimension detection part. Packaging equipment.
前記被包装物の搬送方向の長さを記憶する記憶部を有し、
前記制御部は、前記被包装物の搬送方向の長さに基づいて、前記耐熱コンベアの回転及び停止のタイミングを制御する請求項1または請求項2に記載の包装装置。
A storage unit for storing the length of the package in the transport direction;
The packaging device according to claim 1, wherein the control unit controls the rotation and stop timing of the heat-resistant conveyor based on a length of the packaged object in a conveyance direction.
前記制御部は、前記熱源上にて、前記被包装物を包むフィルムが溶融しないように、前記耐熱コンベアを停止させる時間を規定することを特徴とする請求項1から請求項3の何れか1項に記載の包装装置。   The said control part prescribes | regulates the time which stops the said heat-resistant conveyor so that the film which wraps the said to-be-packaged object may not fuse | melt on the said heat source. The packaging device according to item. 前記制御部は、前記被包装物の商品特性や環境特性である商品寸法、質量、フィルムの材質、環境温度、熱源温度などの条件から溶着時間を算出する溶着時間算出部を有し、該算出した溶着時間、または被包装物個別に記憶された溶着時間に基づいて、該被包装物個別にフィルムの折込部を溶着し、前記折込部の溶着が完了した位置の熱源よりも搬送方向下流側に位置する熱源上で、前記被包装物が停止しないように、前記耐熱コンベアの回転駆動を制御することを特徴とする請求項4に記載の包装装置。   The control unit includes a welding time calculation unit that calculates a welding time from conditions such as product dimensions, mass, film material, environmental temperature, and heat source temperature, which are product characteristics and environmental characteristics of the package, On the basis of the welding time or the welding time memorized individually for each packaged object, the film folding part is individually welded to the packaged object, and the downstream side in the transport direction from the heat source at the position where the welding of the folding part is completed 5. The packaging device according to claim 4, wherein a rotational drive of the heat-resistant conveyor is controlled so that the article to be packaged does not stop on a heat source located at a position. 前記被包装物を前記熱源側へ押圧する押圧部を有することを特徴とする請求項1から請求項5の何れか1項に記載の包装装置。   The packaging apparatus according to any one of claims 1 to 5, further comprising a pressing portion that presses the article to be packaged toward the heat source. 前記制御部は、記憶部に記憶された前記被包装物に関する商品特性情報に基づいて、前記押圧部による押圧を制御することを特徴とする請求項6に記載の包装装置。   The packaging device according to claim 6, wherein the control unit controls the pressing by the pressing unit based on product characteristic information regarding the packaged object stored in the storage unit.
JP2017041589A 2017-03-06 2017-03-06 Packaging device Pending JP2018144847A (en)

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