CS230591B2 - Device for catching and transport of product in wrapping machine - Google Patents

Abstract

In a device for gripping and transferring products (2) operating in a wrapping machine, product gripping means (7) are fitted at their ends for gripping the products with resilient elements or pads (9) within which at least one cavity (10) is formed. Such a cavity increases the deformability of the resilient elements, and assures an effective and smooth adherence thereof to the product contours. A resilient member such as a helical spring may be accommodated with the each cavity to improve the grip of the product. <IMAGE>

Description

Vyrniez relates to a device for catching and transporting products in a packaging machine and is aimed in particular at the reliable but gentle capture and transport of fragile or easily deformable products.

The device according to the invention can be advantageously used in the confectionery industry, in particular in machines which wrap paper products into the paper, such as sugar candies, candy bars, chocolate, chocolate candies and the like. jaws or sets of push and backward members, with a reciprocating motion.

These gripping members are generally provided with rubber cushions or other resilient material in the area of direct contact with the articles to provide a reliable and maadmally gentle grip on the article.

However, it is almost never possible to complete this kit in all respects, since it has been found that the use of relatively rigid cushions does not guarantee a sufficiently gentle grip of the products in all cases - on a sufficient contact surface, especially in the case of products with rounded surfaces.

For such products, it is advantageous to use very soft cushions made of soft foam rubber, which, however, are subject to rapid wear and can often be replaced.

Said object is solved by an arrangement for catching and transporting products in a packaging machine, which comprises catching means for these products provided at the catching ends with elastic elements, the principle of which is according to the invention in that at least one of the elastic elements has at least one inner cavity.

Furthermore, it is advantageous if at least one spring is arranged in the borehole of the at least one spring element. The spring is preferably helical and its ends extend to the opposite walls of the respective cavity.

A new and higher effect of the invention lies in the high degree of durability of the elastic elements, which gently grip objects of any shape.

The invention is further elucidated by means of examples thereof, which are described on the basis of the accompanying drawings which are shown in FIG. Fig. 1 is a schematic side view of a first catching device for products according to the invention; Fig. 2 is a sectional view of the first catching device in plane II-II of Fig. 1; Fig. 3 a schematic side view of a second catching device for products according to the invention.

FIG. 1 shows a wheel 6 for transporting and packaging products 2 which is part of a packaging machine (not shown).

The wheel 6 consists of a disk 2 mounted coaxially on a shaft 4 with a horizontal axis, which is rotated in steps by a drive mechanism (not shown).

A plurality of pins 6 extend parallel to the disc circumference and parallel to the shaft.

The two arms 8 form part of the jaw χ for receiving the products χ. These jaws 6 are evenly distributed around the circumference of the disc.

Elastic elements 8 are attached to the free ends of the pairs of jaw arms X by dovetail connectors 8. .

The individual elastic elements ^{23 are} made of rubber or the like and have internal cavities 10 formed parallel to the shaft.

The disassembly and gripping of the jaws 5 is provided by an activation mechanism (not shown) which is known per se and which, when the product 6 is to be caught in the jaws X or released, pivots the arm 6 around the respective pins 2.

It can be seen from Figs. 1 and 2 that jaws can, when wrapped between two elastic elements 2 and the article, occlude and transport a relatively ground sheet or wrapped mat 11. It can be clearly seen from the drawing that the construction of the elastic elements 2 easily deforms the abutment walls 12 of these elastic elements 2 according to the shape of the articles 6.

It can be seen from FIG. 3 that the described elastic elements 2 can also be used in devices in which the retaining device consists of a thrust element and a counter-thrust element with a linear reciprocating motion.

The pressure element 13 consists of a rod 60. a plate 22 is transversely attached to one end thereof;

An elastic element 17 is attached to the plate 15 by a dovetail connector 16, in which at least one spring 20 is arranged parallel to the rod 14 in the inner cavity 18, for example a helical spring 20 which improves the abutment of the bearing wall 19 on the product.

The spring 20 exerts a force on the abutment wall 19 such that it does not impair the conformability of the resilient element 17 and, on the other hand, ensures correct spring return of the abutment wall 19 each time the product is released. long-term operation.

The backing element 21 is aligned coaxially with the thrust element 13 and consists of a rod 22. To its end is fixed a plate 23 which carries a spring element 24 in a conventional embodiment.

The described combination of the resilient element 17 and the inner cavity 18 and the resilient element 24 without the cavity ensures a sufficiently reliable grip of the article 6 in all cases, e.g. according to FIG. 3, in which the product 6 is not subjected to centrifugal force or instep during transport which could ΟΛοΟιΟΛ the position of the product 6.

It will be understood that many changes and modifications can be made to the apparatus described herein. \

For example, the inner cavity described can be formed in the elastic element 2 'IX in a manner other than the one shown, which may in some cases be better adapted to the abutment wall 12, 19 according to the shape of the article 6.

If the device according to the invention is to be manipulated with products of relatively large dimensions, these can be formed within the elastic element 2 &apos;

Claims (3)

SUBJECT OF THE INVENTION Device for catching and transporting products in a packaging machine, which comprises catching means for these products provided with resilient elements at their catching ends, characterized in that at least one of the resilient elements (9, 17, 24) has at least one inner cavity (10,18) « У Device according to item 1, characterized in that at least one spring (20) is arranged in the inner cavity (10, 18) of the at least one spring element (9, 17, 24). 3. The device according to claim 2, characterized in that the spring (20) is helical and its ends extend to opposite walls of the sided inner cavity (10, 18).