JPS6037281Y2 - stretch wrapping equipment - Google Patents
stretch wrapping equipmentInfo
- Publication number
- JPS6037281Y2 JPS6037281Y2 JP10603881U JP10603881U JPS6037281Y2 JP S6037281 Y2 JPS6037281 Y2 JP S6037281Y2 JP 10603881 U JP10603881 U JP 10603881U JP 10603881 U JP10603881 U JP 10603881U JP S6037281 Y2 JPS6037281 Y2 JP S6037281Y2
- Authority
- JP
- Japan
- Prior art keywords
- film
- elevator
- clamps
- clamp
- product
- 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.)
- Expired
Links
Landscapes
- Basic Packing Technique (AREA)
Description
【考案の詳細な説明】
本考案はストレッチ包装装置、詳しくは左右一対のクラ
ンプによってストレッチフィルムをエレベータ上方の所
定位置に繰出し張架させ、エレベータにより被包装物を
上昇させ前記フィルムに突上げ包被せしめるストレッチ
包装装置における胴巻工程時の改良に関する。[Detailed description of the invention] The present invention is a stretch wrapping device, in particular, a pair of left and right clamps is used to feed and stretch a stretch film to a predetermined position above an elevator, and the elevator lifts the object to be wrapped, pushing it up against the film and wrapping it. The present invention relates to improvements during the body wrapping process in a stretch wrapping device.
従来装置においてエレベータ等により被包装物を突上げ
フィルムに包被させる工程には左右両クランプを定置固
定させておく構造、すなわ被包装物の突上げ時にフィル
ムの張力を一定に保持しておく構造である。In conventional equipment, in the process of pushing up the packaged item using an elevator, etc., and wrapping it in a film, both the left and right clamps are fixed in place, which means that the tension of the film is kept constant when the packaged item is pushed up. It is a structure.
しかるに上記従来構造においては被包装物がリンゴ、梨
あるいは箱詰商品にように硬い場合は良好に包被できる
が、松たけ、推たけ類などの如き軟かい場合にはフィル
ムの張力によって被包装物が押し潰され商品価値を減す
る不具合がある。However, with the above-mentioned conventional structure, hard objects such as apples, pears, or boxed products can be wrapped well, but if the objects are soft, such as pine mushrooms and mushrooms, the tension of the film will cause the objects to be wrapped. There is a problem that the product value is reduced by being crushed.
本考案は断る従来事情に鑑み、被包装物に応じてフィル
ム張力を加減できるようにして包装時の商品の潰れどの
損傷を防ぐとともにフィルムのたるみをなくし包装品の
外観性を向上させることを目的とし、エレベータの上昇
工程中、被包装物とフィルムとの突当てからエレベータ
上限位置に至る間に前記両クランプをフィルム中心方向
へ被包装物に応じた所定量移動させる手段を設けたこと
を特徴とする。The purpose of this invention is to prevent the product from being crushed or damaged during packaging by adjusting the film tension depending on the item to be packaged, and to eliminate sagging of the film to improve the appearance of the packaged product. and is characterized by providing means for moving both clamps toward the center of the film by a predetermined amount depending on the object to be packaged, during the elevator ascending process, from the time when the object to be packaged and the film come into contact with each other to the upper limit position of the elevator. shall be.
本考案の実施例を図面により説明すれば、第1図におい
て符号1はエレベータ、2,2′は左右対向せる一対の
クランプ、3,3′は折込板、4は被包装物である商品
5をエレベータ1上へ搬送するコンベア、6はフィルム
ロール6′よす導出されるストレッチフィルムであって
、タイトローラ7、ローラ8,8′を介し前記クランプ
2′に挿入保持される。An embodiment of the present invention will be described with reference to the drawings. In FIG. 1, reference numeral 1 is an elevator, 2 and 2' are a pair of left and right opposing clamps, 3 and 3' are folding plates, and 4 is a packaged product 5. A conveyor 6 for transporting the film onto the elevator 1 is a stretch film which is led out from a film roll 6' and is inserted and held in the clamp 2' via a tight roller 7 and rollers 8 and 8'.
上記商品5はトレー5′上に載承された形態で包装され
る場合を示す。The above-mentioned product 5 is shown to be packaged on a tray 5'.
クランプ2,2′はガイドレール文はガイド杆等の案内
部材に摺動自在に支持され、エレベータ1上の所定間隔
をおいた上方位置で水平状に可動自在に設置する。The clamps 2, 2' are slidably supported by a guide member such as a guide rod, and are movably installed horizontally above the elevator 1 at a predetermined distance.
左右のクランプ2,2′は商品5の突上げ中心線a(図
はエレベータ1の中心線と一致する場合を示す)から対
称位置にあるよう設定しておく。The left and right clamps 2, 2' are set to be at symmetrical positions with respect to the uplifting center line a of the product 5 (the figure shows a case where the center line coincides with the center line of the elevator 1).
各クランプ2,2′は夫々上下各片をソレノイド等によ
り開閉自在に組付けて構成され、その閉動時にストレッ
チフィルム6を挾持し、開動時に該フィルム6を解放す
るようにする。Each of the clamps 2, 2' is constructed by assembling upper and lower pieces so that they can be opened and closed by a solenoid or the like, and when the clamps are closed, the stretch film 6 is clamped, and when the clamps are opened, the film 6 is released.
各、各クランプ2,2′はその対向各線を凹部と凸部を
交互に配したジグザグ形状にするとともに両クランプ2
,2′の凸部と凹部とが嵌まり合うようにし、クランプ
2,2′が近接したときにそのクランプ2の凸部がクラ
ンプ2′の凹部に嵌め合った位置で該クランプ2の上下
両凸部によってフィルム6を挾持するようにする。Each clamp 2, 2' has a zigzag shape in which each opposing line is alternately arranged with concave portions and convex portions, and both clamps 2 and 2'
, 2' are fitted into each other, and when the clamps 2 and 2' are brought close to each other, both the top and bottom of the clamp 2 are fitted at the position where the protrusion of the clamp 2 is fitted into the recess of the clamp 2'. The film 6 is held between the protrusions.
上記各クランプ2,2′には夫々パルスモータなどの電
気的駆動源9,9′をもって回転する駆動軸10.10
’を連結し、その駆動軸10,10′の回転によって各
クランプ2,2を可動自在とする。Each of the clamps 2, 2' has a drive shaft 10, 10 which rotates with an electric drive source 9, 9' such as a pulse motor, respectively.
' are connected, and each clamp 2, 2 is made movable by rotation of the drive shaft 10, 10'.
尚上記駆動源9,9′に連繋する駆動軸10゜10′に
代えて、チェノあるいは歯車機構などの他の電気的、機
械的駆動装置を使用することも任意である。It is also possible to use other electrical or mechanical drive devices such as a chino or a gear mechanism in place of the drive shafts 10 and 10' connected to the drive sources 9 and 9'.
上記クランプ2,2′はその右側クランプ2′にフィル
ム6の始端部を挾持させて保持し、左側クランプ2が駆
動源9の起動によりクランプ2′方向へ移動し、上下各
片を開いた状態でクランプ2′に近接してフィルム6始
端を挾持した後にクランプ2′が開動したところでクラ
ンプ2が元の位置まで復動する往復動作をし、これによ
りフィルム6の繰出しを行なうとともにクランプ2の復
動終期にクランプ2が閉動して繰出しフィルム6をエレ
ベータ1上に張架させる(第1図、第2図)。The clamps 2 and 2' hold the starting end of the film 6 between the right clamp 2', and the left clamp 2 moves toward the clamp 2' by activation of the drive source 9, opening the upper and lower parts. When the clamp 2' opens after clamping the starting end of the film 6 in the vicinity of the clamp 2', the clamp 2 performs a reciprocating motion to return to its original position, thereby feeding the film 6 and causing the clamp 2 to return. At the end of the movement, the clamp 2 is moved to close and the film 6 is stretched over the elevator 1 (FIGS. 1 and 2).
尚、上記フィルム6の繰出し動作は前述したクランプ2
の往復動作によることに限定されるものではなく、クラ
ンプ2,2′の相互往復動作により行なうなど何れの方
式であってもよい。The film 6 is fed out using the clamp 2 described above.
This is not limited to the reciprocating motion of the clamps 2 and 2', but any method may be used, such as mutual reciprocating motion of the clamps 2 and 2'.
次にエレベータ1の昇動が開始して商品5の突上げ動作
が開始するが、該突上げ動作時に前記クランプ2,2′
がフィルム6を挾持したまま突上げ中心線a方向に夫々
移動するようにする。Next, the elevator 1 starts to move up and the product 5 is pushed up.
move in the direction of the thrust center line a while holding the film 6 between them.
すなわち、エレベータ1の上昇が開始し、商品5がフィ
ルム6に衝合しく第3図)、又は上昇後タイマー設定さ
れた時間経過後からエレベータ1が上限位置(第4図)
に達する工程時に両クランプ2,2′が移動するように
する。That is, the elevator 1 starts to ascend and the product 5 collides with the film 6 (Fig. 3), or the elevator 1 moves to the upper limit position after the time set by the timer has elapsed after ascending (Fig. 4).
Both clamps 2, 2' are made to move during the process of reaching .
クランプ2,2′の移動は前記駆動源9,9′の駆動に
より行なわれるようにし、その移動タイミング、移動量
、移動速度等の移動条件は、例えば中央処理装置(op
u)に商品5に応じた複数種のデータを記憶させておき
、入力操作によってそれらのデータ中の適正値を選定し
駆動源9,9′へ出力させるマイコン制御方式を採用す
ればよい。The clamps 2, 2' are moved by driving the drive sources 9, 9', and the movement conditions such as movement timing, movement amount, and movement speed are determined by, for example, a central processing unit (optional).
A microcomputer control method may be adopted in which a plurality of types of data corresponding to the product 5 are stored in u), and appropriate values from the data are selected by input operations and outputted to the drive sources 9 and 9'.
上記商品5に応じたデータとは商品5の硬軟、商品5の
高さ、あるいはフィルム長さに対するトレイ5′の寸法
などに応じたフィルム張力を決定する条件で、例えば商
品5が松たけ、しいたけなどのように軟かい場合には、
リンゴ、梨などの硬いものに較べて移動量を大きく設定
する。The data corresponding to the above product 5 is the condition for determining the film tension according to the hardness or softness of the product 5, the height of the product 5, or the dimensions of the tray 5' relative to the film length. If it is soft like
Set the amount of movement larger than for hard objects such as apples and pears.
上記クランプ2,2′の移動量は零、すなわち商品5に
よってでは移動しない場合を含む。The amount of movement of the clamps 2, 2' includes a case where the movement amount is zero, that is, the movement is not caused by the product 5.
左右クランプ2,2′の移動条件は同一にすることが好
ましく、それによってフィルム張力を左右均一に維持で
きる。It is preferable that the movement conditions of the left and right clamps 2, 2' be the same, so that the film tension can be maintained uniformly on the left and right sides.
而してエレベータ1の商品突上げ動作により商品5の上
面及び左右側面に沿ってフィルム6が緊張状包被され、
エレベータ1が上限位置に達したところで折込板3,3
′の折込み動作によりフィルム6の左右両側部が緊張さ
れ商品5の底面に折込まれ商品5を胴巻状に包被する(
第5図、第6図)。As a result, the product 5 is pushed up by the elevator 1, and the film 6 is wrapped in tension along the top and left and right sides of the product 5.
When the elevator 1 reaches the upper limit position, the folding plates 3, 3
By the folding operation of ', both left and right sides of the film 6 are tensed and folded into the bottom of the product 5, wrapping the product 5 in a wrapper shape (
Figures 5 and 6).
上記商品5はその後に、前後に突出するフィルム耳縁が
夫々商品底面に沿い折込み重合されて包装が完了する(
図示せず)。After that, the product 5 is packaged by folding and polymerizing the film edges protruding from the front and back along the bottom of the product.
(not shown).
尚、図中の11はカッターである。Note that 11 in the figure is a cutter.
本考案は叙上の如く、エレベータの上昇工程中、被包装
物とフィルムとの突当てからエレベータ上限位置に至る
間に両クランプをフィルム中心方向へ移動させる手段を
設け、被包装物の種類、形状に応じて前記クランプを適
宜量移動させるようにしたので、被包装物がエレベータ
に衝合し上昇する際に生ずるフィルムの張力がクランプ
の移動により調整される。As described above, the present invention provides a means for moving both clamps toward the center of the film during the elevator ascent process, from the time when the object to be packaged hits the film to the upper limit position of the elevator. Since the clamp is moved by an appropriate amount depending on the shape, the tension of the film that is generated when the packaged object collides with the elevator and ascends is adjusted by the movement of the clamp.
従って被包装物に過度又は過少な張力がかかることを防
いで、被包装物に応じた適正な張力でもってストレッチ
包装することができ、松たけ類などのように軟かい被包
装物を包装する場合でも該被包装物が潰れるなどの損傷
が生ずる不具合を解消するとともにフィルムのたるみを
なくして包装仕上がりを良好にし外観体裁を高めること
ができる。Therefore, it is possible to prevent excessive or insufficient tension from being applied to the packaged item and stretch wrap it with the appropriate tension depending on the packaged item, and when packaging soft items such as pine mushrooms. However, it is possible to eliminate the problem of damage such as crushing of the packaged item, and also to eliminate sagging of the film, thereby improving the packaging finish and improving the appearance.
依って所期の目的を達威し得る。Therefore, the intended purpose can be achieved.
【図面の簡単な説明】
第1図は本考案装置の正面図、第2図はそのフイルム繰
出し動作を説明する正面図、第3図〜第4図は突上げ動
作を説明する正面図、第5図〜第6図は折込み動作を説
明する正面図である。
図中、
1はエレベータ、
2゜
2′はクランプ、
5は包装、
6はストレッチフィルム、
9゜
9′は
駆動源、
10゜
10′は駆動軸である。[Brief Description of the Drawings] Fig. 1 is a front view of the device of the present invention, Fig. 2 is a front view illustrating its film feeding operation, Figs. 5 to 6 are front views illustrating the folding operation. In the figure, 1 is an elevator, 2°2' is a clamp, 5 is packaging, 6 is a stretch film, 9°9' is a drive source, and 10°10' is a drive shaft.
Claims (1)
ベータ上方の所定位置に繰出し張架させ、エレベータに
より被包装物を上昇させ前記フィルムに突上げ包被せし
めるストレッチ包装装置において、上記エレベータの上
昇工程中、被包装物とフィルムとの突当てからエレベー
タ上限位置に至る間に前記両クランプをフィルム中心方
向へ被包装物に応じた所定量移動させる手段を設けたス
トレッチ包装装置。In a stretch packaging device, a stretch film is drawn out and stretched at a predetermined position above an elevator by a pair of left and right clamps, and the object to be packaged is raised by the elevator and pushed up and wrapped on the film. A stretch packaging device comprising means for moving both clamps toward the center of the film by a predetermined amount depending on the object to be packaged, from the time when the clamps collide with the film to the upper limit position of the elevator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10603881U JPS6037281Y2 (en) | 1981-07-15 | 1981-07-15 | stretch wrapping equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10603881U JPS6037281Y2 (en) | 1981-07-15 | 1981-07-15 | stretch wrapping equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5812106U JPS5812106U (en) | 1983-01-26 |
JPS6037281Y2 true JPS6037281Y2 (en) | 1985-11-07 |
Family
ID=29900548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10603881U Expired JPS6037281Y2 (en) | 1981-07-15 | 1981-07-15 | stretch wrapping equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6037281Y2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61160212U (en) * | 1985-03-27 | 1986-10-04 | ||
JP3525357B2 (en) * | 1995-03-15 | 2004-05-10 | 株式会社イシダ | Packaging equipment |
-
1981
- 1981-07-15 JP JP10603881U patent/JPS6037281Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5812106U (en) | 1983-01-26 |
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