SJOEBERG TOMAS (SE)
| DK114680B | 1969-07-21 | |||
| SE215680C1 |
Such arrangements are previously known in the market. However, there have been wishes about an arrangement which could provide an especially lenient piling of the products on each other at the place for laying down the products. This has been made possible by the arrangement, mentioned by way of introduction, which has the features mentioned in the claims. Due to that fact not only a lenient but also an effective and safe piling of the products at the place for laying down the products is made possible.
A preferred embodiment of the invention shall be described more closely below, reference being made to the accompanying drawings, where Fig. 1 shows a plan view of the new invention, Fig. 2 shows the invention according to fig. 1, seen from the side, and Fig. 3 shows the course of events when using the new invention for piling products.
According to this embodiment the arrangement according to the invention has a belt-like, endless conveyor 1. Of course, this conveyor could be of another kind, for instance a chain-conveyor.
The mentioned conveyor belt 1 is arranged in a frame 2 and is intended to run about a plurality of blade wheels 3,4 at the rear part of the frame. At the top side of the frame is a portion 5 of the conveyor belt intended to run essentially horizontally, the belt portion 5 being intended to cooperate with a device 6, which projects out a portion at the front end of the frame. This device 6 comprises a relatively long, flat bar-like means 7, against which the upper belt portion 5 of the conveyor belt is intended to rest.
Thus, the flat bar-like means 7 functions as supporting means for the upper belt portion 5. In the front part of the flat bar-like means 7 there is arranged a link wheel 8, around which the belt 1 is intended to run.
Approximately at the middle of the mentioned means 7 is on its underside arranged a fastener 9 for a larger, rotatable wheel 10, around which the conveyor belt is intended to run. In this connection the conveyor belt runs from the link wheel 8 at the
front end of the flat bar-like means 7 backwards to the larger, rotatable wheel 10 on its top side and around the same, whereafter the belt runs forwards under the mentioned wheel 10 to the topside of a relatively large, rotatable wheel 11, which is positioned in front of the wheel 10. This wheel 11 has a fixed position in the frame.
The conveyor belt 1 further runs around the last-mentioned wheel 11, so that the belt 1 from the underside of the wheel 11 runs in the direction backwards to the mentioned link wheels 3,4 at the rear part of the frame.
An essentially horizontally positioned piston cylinder 12 is fastened in the frame and has a piston means 13, which is extractable from and retractable into the piston cylinder 12. In this connection the front end 14 of the piston means 13 is articulately fastened in the lower part of the fastener 9 of the wheel 10. Due to that fact the flat bar-like means 7 with the fastener 9 and the wheel 10 are displaceable to and fro by means of the mentioned piston cylinder 12.
The use of the new arrangement shall now be described more closely, reference being made to fig. 3. It should be realised that a plurality of frames according to the invention with the same equipment are positioned beside each other in order that the handling of long objects shall be managed. In this connection the moments of the cooperating frames are of course completely synchronized.
In fig. 3 the arrangement is only schematically shown, from which appear the different sequences of the course of the events when laying down plates. Thus, fig. 3 shows the conveyor belt 1 running around the three link wheels 3,4,8 and the two larger wheels 10,11. Furthermore, the flat bar-like means 7 with the fastener 9 of the wheel 10 are shown.
On the upper belt portion 5 of the conveyor belt 1 are three plates 15a, b, c positioned one after the other. These plates are intended to be laid down on a fixed place for laying down the products, which place has been marked with the figure 16.
As has been described in the text previously, there is a first piston cylinder 12,13 for the movement, to and fro, of the flat bar-like means 7 with the fastener 9 and the wheel 10.
As the pile of plates is growing regarding the height on the place for laying down the products, the conveyor belt arrangement has to be raised in order that the laying down of plates shall function effectively. According to invention this is made
possible by a second piston cylinder device 17, which accordingly acts in the vertical plane.
In the sequence according to fig. 3a the belt is moved in a clockwise direction, at the same time as the wheel 11 rolls synchronously with the belt in the clockwise direction. Furthermore, the means 7 with the fastener 9 and the wheel 10 move forwards by means of the piston cylinder 12,13. In this connection the upper belt portion 5 of the conveyor belt moves to the right on the picture, whereby the first plate 15a is moved to a position just above the place 16 for laying down the products. At the same time the plates 15b, c, of course, are moved forwards towards the place 16 for laying down the products.
Thereafter the flat bar-like means 7 with the fastener 9 and the wheel 10 move backwards by means of the piston cylinder 12,13, the wheel 10 rotating in a counter-clockwise direction with a peripheral velocity corresponding to the movement velocity backwards of the means 7 (see fig. 3b), and the plate 15a being laid down on the place for laying down the products 16. This movement backwards of the means 7 is made under an idle, upper belt portion 5, since the conveyor belt at this stage stands still. This has the great advantage that the position for the two remaining plates remains intact on the belt portion 5, which facilitates the continuous handling.
In the next movement (see fig. 3c) the entire conveyor belt arrangement is raised a portion by means of the piston cylinder 17.
The sequence according to fig. 3d corresponds to that one according to fig.
3a, whereas fig. 3e shows the position when the plate 15b has been taken to the place for laying down the products and all movements have been stopped.
The sequence according to fig. 3f corresponds to that one according to fig.
3b, whereas the sequence according to fig. 3g corresponds to that one according to fig.
3c.
The sequence according to fig. 3h corresponds to those ones according to fig. 3a and 3d, whereas the position according to fig. 3i corresponds to that one according to fig. 3e.
According to fig. 3j the plates 15a, b are laid down on the place 16 for laying down the products, whereas the plate 15c is about to be laid down on the mentioned place, wherefore the piston cylinder 12,13 is intended to withdraw the flat bar-like mean 7 with the fastener 9 and the wheel 10 to the starting point (see fig. 3k).
The special arrangement according to this invention makes possible an effective and safe removal and laying down of plates and other objects. Due to the special design of the equipment, repeating procedures are facilitated, which means that the laying down of broad objects is made more effective.
The arrangement in a conventional way comprises a number of photocells for a secure controlling of the movements.
The invention is of course not limited to the shown and mentioned embodiment but can be modified within the scope of the following claims.