JPH03123805U

JPH03123805U -

Info

Publication number: JPH03123805U
Application number: JP769190U
Authority: JP
Priority date: 1990-01-30
Filing date: 1990-01-30
Publication date: 1991-12-16

Description

[Brief explanation of drawings]

第１図ａは、本考案に係る好適な一実施例を示
す斜視図、第１図ｂは、その要部断面表示の正面
図、第２図ａは、本考案に係る好適な一実施例の
袋首取付けを説明する側面図、第２図ｂは、同じ
く包装体への注気を説明する側面図、第２図ｃは
、同じく包装体の袋首を溶着するステツプを説明
する側面図である。１……包装用気体注入袋口シール装置、２……
装置本体、３……袋首シール部、４……気体注入
部、５……シール作動部、２０……ベース部、２
１……スタンド部、２２……回動アーム、２３…
…切替えレバー、２４……シール部支持枠、２４
ａ……支持側板、２４ｂ……ボルト、２４ｃ……
保持横棒、２４ｄ……上下動溝、３０……シール
台、３０ａ……加熱ライン、３０ｂ……放熱孔、
３１……シール半円板、３１ａ……可動横棒、３
１ｂ……ガイドピン、３１ｃ……コイルばね、３
２……袋首押え板、３２ａ……固定具、３２ｂ…
…コイルばね、３２ｃ……調節手段、３２ｄ……
両端、３２ｅ……ノズル押え、４０……給気管、
４１……通気ベロー、４２……注気ノズル、４３
……袋首押え、５０……連結横棒、５１……上下
動リンク、５１ａ……ローラー、５２……軸受、
５３……伝動軸、５４……ギア、５５……モータ
ー、５６……カム、５７……リミツトスイツチ、
５８……アクチユエーター、５９……作動スイツ
チ。 FIG. 1a is a perspective view showing a preferred embodiment of the present invention, FIG. 1b is a front view showing a cross section of the main part thereof, and FIG. 2a is a preferred embodiment of the present invention. Fig. 2b is a side view illustrating how to attach the bag neck to the package, Fig. 2c is a side view illustrating the step of welding the bag neck of the package. It is. 1... Packaging gas injection bag opening sealing device, 2...
Apparatus main body, 3...Bag neck seal part, 4...Gas injection part, 5...Seal operating part, 20...Base part, 2
1...Stand part, 22...Rotating arm, 23...
...Switching lever, 24...Seal part support frame, 24
a...Support side plate, 24b...Bolt, 24c...
Holding horizontal bar, 24d... Vertical movement groove, 30... Seal stand, 30a... Heating line, 30b... Heat radiation hole,
31... Seal semicircle plate, 31a... Movable horizontal bar, 3
1b...Guide pin, 31c...Coil spring, 3
2...Bag neck presser plate, 32a...Fixing tool, 32b...
...Coil spring, 32c...Adjustment means, 32d...
Both ends, 32e... nozzle holder, 40... air supply pipe,
41...Vent bellow, 42...Air injection nozzle, 43
... Bag neck presser, 50 ... Connection horizontal bar, 51 ... Vertical movement link, 51a ... Roller, 52 ... Bearing,
53...Transmission shaft, 54...Gear, 55...Motor, 56...Cam, 57...Limit switch,
58...actuator, 59...operation switch.

Claims

[Scope of Claim for Utility Model Registration] (1) A device that airtightly seals the opening of the packaging bag by injecting gas into the interior of the packaging body containing an article and then welding the neck of the bag, a device main body having a section and a stand section; a slidable crimping means supported movably in a direction away from the base section with respect to the stand section of the device main body and equipped with a bag neck presser; Welding means that is movably supported on the base and can come into contact with the crimping means that is close to the base, and that welds the neck of the bag while pushing the crimping means to seal the bag body. Injecting gas into the inside of the wrapping bag with the bag neck seal portion equipped with the bag neck seal portion and the crimping means of the bag neck seal portion approaching the base portion,
A gas injection part is provided with a fixing means for fixing the bag neck near the bag mouth, and when the gas injection part finishes injecting air into the bag, the welding means of the bag neck seal part is moved to come into contact with the crimping means. and a seal actuating section that moves the welding means away from the crimping means when the bag neck is welded by the welding means to seal the bag body;
A gas injection bag opening sealing device for packaging. (2) The bag neck seal part is provided with a sliding mechanism that appropriately pushes the crimping means by the welding means during welding and buffers the crimping pressure from becoming too large, and the bag neck of the packaging body 2. The bag neck according to claim 1, wherein when the bag neck is fixed by the fixing means by covering the gas injection part, the welding means is moved in a direction away from the base of the apparatus main body to ensure a sufficient working space. Gas injection bag opening sealing device for packaging. (3) The gas injection section includes an air injection nozzle to be inserted into the neck of the packaging body, and the air injection nozzle, which has the neck of the packaging body fixed by the fixing means of the bag neck sealing part, is fixed to the neck of the packaging body by the welding means. 3. The gas injection bag opening sealing device for packaging according to claim 1, further comprising a ventilation bellow placed on a portion of the bag and extending and contracting as the welding means moves.