Abrégé

The present invention relates to a track switching apparatus for rail trolleys. It comprises at least one linear track, a curved track connected to the at least one linear track, at least one switching region formed at a connection region of the linear track and the curved track, and at least one switching unit disposed in the at least one switching region.

Classes IPC  ?

• B61L 5/02 - Dispositifs mécaniques de manœuvre pour aiguillages ou taquets d'arrêt
• B61L 5/04 - Dispositifs à pression de fluide de commande des aiguillages ou des taquets d'arrêt
• B61L 5/06 - Dispositifs électriques de commande des aiguillages ou des taquets d'arrêt

Abrégé

A film clamping and cutting device of stretch wrapping machines is revealed. A film clamping and cutting unit and a drag set used as an auxiliary are disposed on a turntable. The drag set includes a rotatable block which is connected to an assembly wheel of the film clamping and cutting unit. The rotatable block is connected to a shaft clipped in a clip space formed between a drag plate and a clip. An elastic body is assembled between the drag plate and the clip. By way of the drag plate, the clip and the elastic body, the shaft connected to the rotatable block is not released from the clip space until a film clamping and cutting rod and a clamp reach certain positions. Thus a connection rod disposed on the rotatable block drives the clamp to clip film timely so as to clamp and cut the film precisely.

Classes IPC  ?

• B65B 41/12 - Alimentation des bandes à partir de rouleaux
• B65B 11/04 - Enveloppement d'objets ou de quantités de matériaux sans changer leur position durant l'opération, p. ex. dans des moules avec des plieurs à charnières en faisant tourner les objets

Abrégé

A film clamping and cutting device of a film wrapping machine is revealed. A connecting plate of a film clamping and cutting unit is located by a braking part. Moreover, by moment of a rotating machinery before stopping, a film clamping and cutting unit main body assembled on the rotating machinery is driven to continue moving. Under the movement of the unit main body, a pulling force is generated by a pull cord arranged between the connecting plate and a vertical-wheel of the unit main body. The pulling force rotates the vertical-wheel so that both a film clamping and cutting rod assembled with the vertical-wheel and a clamp fall toward a blade block to clamp and cut off a film. The film is also pulled and cut by an elastic recovery force of the film clamping and cutting rod. Therefore automatic film clamping and cutting is carried out.

Classes IPC  ?

• B65B 11/04 - Enveloppement d'objets ou de quantités de matériaux sans changer leur position durant l'opération, p. ex. dans des moules avec des plieurs à charnières en faisant tourner les objets
• B65B 61/06 - Dispositifs accessoires, non prévus ailleurs, opérant sur feuilles, flans, bandes, attaches, réceptacles ou paquets pour découper les bandes ou pour séparer les paquets joints par coupe
• B26D 5/20 - Dispositions pour manœuvrer et commander les machines ou les dispositifs de coupe, découpage, poinçonnage, perforation ou séparation autrement que par coupe l'organe de coupe et d'avance de la pièce ayant une action conjuguée
• B26D 5/16 - Moyens pour actionner l'outil de coupe afin d'effectuer la coupe au moyen de cames
• B26D 7/02 - Moyens pour maintenir ou mettre en position la pièce comportant des moyens de serrage
• B26D 1/30 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupantAppareils ou machines à cet effetÉléments coupants à cet effet comportant un élément qui ne suit pas le mouvement de la pièce ayant un élément coupant se déplaçant autour d'un axe avec un élément coupant non circulaire se déplaçant autour d'un axe sensiblement perpendiculaire à la ligne de coupe et dont le mouvement de pivotement pour la coupe est limité

Abrégé

A tape applying device includes a plate, front and rear swinging arms pivoted on the plate, a pressing wheel pivoted on each of the swinging arms to make an adhesive tape stick on a box, a connecting rod pivoted to both the front and the rear swing arms, a cutting mechanism interposed between the front and the rear swinging arms to sever the adhesive tape, a first restoring extension spring joined to the connecting rod, and a second restoring extension spring joined to the rear swinging arm; the front swinging arm is co-movable with the rear swinging arm and the connecting rod, and it has no extension spring directly connected thereto therefore the front pressing wheel won't produce such a reacting force as to cause a box to cave in when the box is moved rapidly onto the front pressing wheel for the adhesive tape to stick thereon.

Classes IPC  ?

• B65B 61/00 - Dispositifs accessoires, non prévus ailleurs, opérant sur feuilles, flans, bandes, attaches, réceptacles ou paquets

Abrégé

feeding mechanism, an expanding mechanism, a folding mechanism for folding front and rear parts of a bottom of a cardboard box, a folding mechanism for folding left and right parts of a bottom of a cardboard box, and a conveying mechanism; the feeding mechanism has a holding space, in which flattened boxes are received; the expanding mechanism includes a horizontally moving member, an expanding arm pivoted to the horizontally moving member, and several suction elements; a cardboard box will be expanded when the horizontally moving member moves with the suction elements applying suction on the box to fix the box thereto, and with the expanding arm pivoting 90 degrees; after a cardboard box has been expanded, the folding mechanisms function one after the other to fold front and rear parts and left and right parts of a bottom of the box.

Classes IPC  ?

• B31B 1/80 - Ouverture et extension des articles aplatis pneumatiquement

Produits et services

CARTON SEALING MACHINERY