Vorrichtung zum Verpacken von Gegenstaenden, insbesondere aus der Suesswarenindustrie

Description

[0001] Device for packaging items, in particular from the confectionery industry. The invention relates to a device for packaging items, especially from the confectionery industry, such as chocolate tablets, bars, tablets or the like, where the Object with a covering material cutout placed over it between a lifting cylinder and a carriage moving up and down on a held in place by a seated counter-holder, it is passed through a folding box or similar, in which the partial wrapping of the covering material around the object is processed, whereupon, during the return movement of the lifting ram, the finishing folders complete the packaging and the counter-holder is under The folding box returns to its original position.

[0002] Such known packaging machines can only achieve a low working speed because the carriage carrying the counterholder must remain stationary after each stroke until the counter-holder, which swings out laterally from the folding box area, returns to its working position. has returned. The complex ratchet mechanisms required for this increase and make the machinery more expensive. In addition, besides the The folding box still requires a considerable amount of free space in which the laterally swiveled counter-holder, moved perpendicular to its surface, can be positioned. The starting position can be reversed.

[0003] According to the invention, these defects are remedied by modifying the counter-holder on the up and down moving slide. a pivotable axis running transversely to the lifting direction and is equipped with a control drive that controls the counter-holder, for example in the upper Starting at the dead center of the sled, moving upwards out of the area of ​​the folding box - and after a correspondingly large sled return - swings back into the area of ​​the folding box, bypassing it.

[0004] The counterholder passes through the folding box during a continuous up and down movement of the lifting ram. an oscillating movement in a path of motion that only passes through the folding box during the working stroke, which during the The object being pushed through the folding box is synchronized with the movement of the lifting cylinder. This results in a space-saving design. The design is such that this way of working of the individual elements allows for increased work output of the entire machine.

[0005] Preferably, the slide carrying the counterholder sits on a vertical guide. It is connected via a push rod and a joint through it. A linkage connected to a pivot pin is connected to a rotating drive crank, with the pivot pin additionally guided in a curved track. is guided. Furthermore, the guide supporting the carriage is connected to the lifting piston that pushes the objects through the folding box and with this up and down movement.

[0006] The inventive concept allows for a wide variety of embodiments. One of these is shown in the drawing, namely Figures 1, 2, 4 and 5 show schematic representations of a chocolate bar packaging device in side view in various working positions. g. 3 a top view of the arrangement according to Fig. 4 and Fig. 6 a schematic representation of the slightly separated path of movement of Lifting ram and counter-holder.

[0007] The items 1 to be packaged arrive on a worktable 2 in the direction of the arrow shown in Fig. 1, where they are held by a slider 3 is continuously pushed forward until it reaches a stop 4 at the end of the table 2. Before this stop 4, the The worktable has two openings 5 ​​through which the lifting ram 6 with its side cheeks 7 extends.

[0008] At a certain distance above the feed table 2 lies the transport track 8 for conveying away the finished packaged panels 1'. by means of a carrier 10 attached to chains 9. The guide track 8 has an opening 11 which is in the axis of the movement path of the The lifting cylinder 6, 7 is located below this opening. Folding plates 12 are provided below this opening, which serve to protect the lateral ends of the section above the Table 1, the covering material blank 13 is to be folded around this. Further folding of the covering material blank is to be carried out in the usual manner. Ready-made folders 14 and 15 are provided.

[0009] In vertically arranged guide bearings 16, a lifting rod 17 is guided in a vertical direction, which is not further The depicted drive is periodically moved up and down. At its lower end, it carries the lifting cylinder 6 with the cheeks 7 on a crossbeam 25. which follows the movements of the lifting rod 17.

[0010] A slide 26 is guided on the same lifting rod 17, in which the arm 28 for the spring-loaded counter-holder 29 is mounted on an axis 27. and a control lever 30 with a guide roller 31 is located. On the other hand, the push rod 21 is articulatedly attached to the slide 26, which has a The pivot pin 22 and a linkage 20 are connected to the drive crank 19, which is keyed onto the drive shaft 18. The pivot pin 22 is mounted on the drive pin 22. a control roller 23 which runs in a groove curve 24, so that the slide 26 is given a certain movement phase when the crank 19 rotates is imposed.

[0011] In addition to the lifting rod assembly 17, a cam lever 34 equipped with a longitudinal groove 33 and a are mounted on a pin 32. Drive lever 35, which has a cam roller 36 at its free end that runs on a cam disk (not shown). In this way The cam lever 34 is given a pivoting movement, which is transmitted via the cam guide 33 and the roller 31 sliding therein, via the lever 30 of the shaft 27, to the support 28 of the counter-holder 29. This is pivoted up and down in the direction required for the packing process. and simultaneously, together with the slide 26, it is moved up and down by the linkage 19 to 24 of the lifting rod 17. The drive elements and The control elements are coordinated in such a way that during a continuous up and down movement of the lifting piston 7, the counterholder 29, which is attached It is mounted on its support 28 in a spring-loaded manner and performs an oscillating movement. The paths of motion of the two elements are shown again in Fig. 6. They are shown in detail. For better illustration, they are spaced apart to a certain extent. The lifting cylinder 6,7 runs vertically. Movement path 1 follows the direction of the arrow, moving up and down. The opposing support 29, on the other hand, performs an oscillating movement along path II. out, moving in the direction of the arrow, and running synchronously at the same speed as the lifting cylinder 6, 7 through the through folding box 12, whereby the panel 1 and the covering material cutout 13 are held resiliently against each other between the two elements. On the return journey, the counterholder 29 bypasses the folding box.

[0012] The various phases of movement of the counterholder 29 are shown in the individual figures.

[0013] In Fig. 1, the lifting piston 7 is in its lowest end position. A chocolate bar 1 is placed on the table 2 by the slide. 3. The wrapping material blank 13 is placed on top of it, and then the counter-holder 29 comes from above, which moves into its lowest working position. It pivots and rests on the blank and the sheet 1 from above. Now, lifting ram 7 and counter-holder 29 run vertically together. upwards through the folding box 12 (Fig. 2). As soon as the package has passed through the box 12 (Fig. 4), the lifting ram 7 ends its Upward movement, while the counterweight 29 continues in its movement and now rotates counterclockwise around its axis 27 folds away, only to disappear downwards again during this movement.

[0014] For this purpose, the guide track 8 has a passage opening 37 through which the pivoted counterholder 29 can pass. (Fig. 5). Likewise, the folding plate 12 also has a corresponding opening 38 so that, after the passage of the counter-holder through the Opening 37 allows for an immediate, unhindered forward pivoting of the counterholder 29 according to Fig. 1.

[0015] Immediately after the package is pushed through the folding box, the return movement of the lifting piston 7 begins downwards and the completion of the folding by the folding organs 14 and 15 and finally the immediate transport of the packed sheets 1' by the continuously continuing driver 10.

Claims

[0016] Claims:

1. Device for packaging items, in particular from the confectionery industry, wherein the item with a covering material cutout placed between a lifting cylinder and a carriage sitting on an up and down movable slide The counter-holder is held in place and passed through a folding box or similar device, in which the covering material is partially folded around the The item is placed, whereupon, during the return movement of the lifting ram, the finishing folder completes the packaging and the counterholder is under bypassing the folding box, returning to its initial position, characterized in that the counterholder (29, 28) is attached to the up and down moving The slide (26) is pivotably mounted about an axis (27) extending transversely to the lifting direction and is provided with a control drive (30 to 35) which controls the Counterholder (29, 28), starting approximately at the top dead center of the slide (26), upwards out of the area of ​​the folding box (12) - and after a correspondingly large slide return - bypassing the folding box (12) and swinging back into its area. [0017] 2. Device according to claim 1, characterized in that the slide (26) carrying the counter-holder (28, 29) is mounted on a vertical Guide (17) is located and connected via a push rod (21) and a linkage (20) connected to it by a pivot pin (22) with a circumferential The drive crank (19) is connected, with the pivot pin additionally guided in a cam track (24). [0018] 3. Device according to claim 2, characterized in that the guide (17) supporting the slide (26) with which the objects (1) is connected by the pressing lifting piston (6) of the folding box (12) and runs up and down with it. [0019] 4. Device according to claim 1, characterized in that the control drive (30 to 35) for the counterholder (28, 29) is made of an approximately parallel to the carriage guide, pivotably mounted cam (33, 34), the cam (33, 34) pivots about its bearing pin (32) and pivoting cam drive (35, 36) and one on the axis (27) of the counterholder (28, 29) consists of a seated lever (30) which engages with a roller (31) in the cam guide (33). [0020] 5. Device according to claim 1, characterized in that the device adjoining the upper end of the folding box (12) Guide track (8) for guiding the packages (1) a gap (37) for the passage of the folded-up position into its has the starting position of the returning counter-holder (28, 29). [0021] Printed documents considered: German patent specifications Nos. 848 776, 951 137; British patent specifications Nos. 754741, 963.