DE1920141A1 - Method and device for the transport and sorting of irregularly shaped parts made of magnetizable materials - Google Patents

Description

The invention relates to a method and a device for sorting and for the transport of irregularly shaped parts made of machinable materials, preferably of sheet metal parts, which are made from plates by means of flame cutting devices or otherwise cut out.

It is well known that these sheet metal parts are used specifically in shipbuilding occur in large numbers, transported on roller tables, mostly individually, by means of a lifting magnet lifted off and in by frequent trips with cranes or floor conveyors in pallets filed. Smaller parts, for which the use of a crane is not economical, will be mostly transported and sorted by hand.

This way of working is time-consuming and prevents an increase productivity. In addition, there is heavy physical work with manual work Handling of the parts and the risk of errors when sorting by hand is given.

The purpose of the invention is to provide quick and accurate sorting of the parts to exclude the physical work and by extensive Mechanization or automation to increase productivity as well as the facility of flow roads to enable.

The invention is based on the object of an automatic or mechanized Recording of sheet metal parts and their further conveyance to various predetermined ones Places to reach where these parts should be sorted and stored.

According to the invention this object is achieved in that on a hoist or conveying one or more load beams, equipped with a multitude aoa small attached to the underside of this traverse in a springy and pendulum-free manner Electromagnets of the smallest possible diameter are attached, the Diameter is smaller than the smallest part to be sorted. The magnets are for Rati @ nell @ ren maintenance grouped into slide-in groups.

The multi-magnet traverse becomes the pick-up position via the in a defined position located sheet metal parts and lowered there until the magnets hit the sheet metal egg le touch. The magnets are all switched on and the Trave @ @@ t is connected to them The hanging sheet metal part is lifted up again and taken to the individual sorting stations, where Pa lettes are set up to accommodate the parts.

When the traverse has reached the position of one of these pallets those magnets are switched off that hold the part that belongs in the pallet, where it falls into the pallet or other receiving device. I> ie Traverse is then moved to the position of the next pallet, where the same one Process is running, which is repeated until all parts have fallen off.

In the case of sensitive parts, the multi-magnet traverse is lowered so far that the falling off of the parts is no longer harmful to them. Switching on and off the corresponding magnets can be manually operated with a smaller number of parts and with larger ones Part @ pay happens automatically.

According to the invention, the automatic shutdown is achieved by that the drawing template for cutting out the parts on a template of the Magnet arrangement laid; and so the magnets are determined that hold a part in place and shut off at the point the part is supposed to fall off. Every magnet a relay or contactor is assigned.

The shutdown commands are now sent to a suitable memory device, preferably a perforated tape entered. act out more different parts than out a sheet metal plate can be cut, the sorting operations are carried out one after the other programmed in the same way for all different sheet metal plates and the commands successively stored on the hole firing.

In order to achieve a fully automated sorting process, too the travel commands for the hoist with which the traverse is moved are combined Punched tape saved. This can be the same punched tape as the shutdown commands for the magnets to be saved. The strip then always contains alternating Instructions for moving the traverse into a particular position and on it following commands for switching off the magnets of the part or parts attached to it Must fall off. This strip is now used in a known manner for program control of the hoist

with the device described above can be used in conjunction with the process also described enables a fully automated sorting of cut-outs Achieve sheet metal parts.

This almost completely eliminates the previous time-consuming sort of sorting replaced. In addition, there is no need for heavy physical work.

The invention is intended below using an exemplary embodiment closer explained. The accompanying drawing shows: FIG. 1: the side view, Pig, 2: the top view according to FIG. 1, FIG. 3: a partial section according to FIG. 2.

The traverse 1 consists of long beams with appropriate stiffening 2. On the underside of the traverse there are 3 profiles to accommodate the retractable ones Frame 4 attached.

On this frame are the electromagnets 5 with springs for compensation small differences in height in the individual parts and steel cables 6 attached. The device for programming the commands consists of a scaled one Photodiode field, with number and arrangement of photodiodes Number and arrangement of magnets is equivalent to. A transparent drawing of the arrangement of parts is made on the diode field placed on the plate. With a light pointer, light exit vertically downwards, the individual surfaces are now scanned. The voltage pulses obtained from the photodiodes are coded in a coding device of known type and via a hole punch the commands are transferred to a perforated tape and saved in this way. That way all parts of a plate are programmed.

Before each group of switch-off commands there is a group of move commands programmed for crane and trolley. A position keyboard is used for this. These Pulses obtained in this way are also encoded in a coding device and the Perforated, which stores them on the tape.

The tape is inserted into a reader. This reader is for Avoidance of long transmission routes accommodated directly on the crane. The commands are after decoding in a known manner the logic circuit for the control of the Eranomotions and the switching relays for the magnets. Since the shutdown commands For the magnets to come from the Lochbrand one after the other, they are still stored in a store collected until the last command of a group is available, which means that the The magnets are switched off at the same time.

Claims (9)

P a t e n t a n s p r ü c h e: 1. Method of sorting and transporting irregularly shaped Parts made from magnetisable materials, not including t that by means of a large number of electromagnets (5), which over a cross member (1) When connected to a hoist or conveyor, parts can be picked up in one operation procedure and filed in specified locations; will. 2. The method according to claim 1, d a d u r c h g ek e n n z e i c h n e t that all parts of a plate to be sorted are recorded at the same time. 3. The method according to claim 1 and 2, d a d u r c h g e k e n n z e i c h n e t that the sorting of the parts is done by switching off the magnets (5), to which the parts to be sorted at the specific location adhere 4. Procedure according to Claim 1 - 3, d a d u r c h e k e n n n z e i c h n e t that those magnets (5) that are to be switched off at a certain point by means of a, the Contours of the part to be transported and sorted corresponding template be determined. 5. The method according to claim 1 - 4, d a d u r c h g e k e n n z e i c h n e t that the shutdown commands for the magnets (5) of a suitable memory be entered, which is then queried to control the sorting process, and whose information is forwarded to the switching devices of the magnets (5). 6. The method according to claim 1-5, d a d u r c h g e k e n n z e i Note that the memory between the individual command groups for switching the electromagnet (5) each commands for lifting, moving and lowering the magnet-equipped traverse (l) is not necessary with the corresponding hoist. 7. Device for performing the method according to claim 1 - 6, d a d u r e h e k to e n e i c h n e t that the surface of a traverse (1), to the underside of which a plurality of electromagnets (5) is arranged, with the surface the sheet metal from which the parts are cut match. 8. Apparatus according to claim 71 d a d u r c h g ek e n n z e i c h n e t that the adhesive surface of a flex magnet (5) is smaller than the surface the smallest part to be transported. 9. Apparatus according to claim 7 and 8, a u r e h e k e n n z e i c h n e t that electromagnets (5) both individually and in certain groups can be switched on or off. lo. Device according to claims 7-9, d u r c h g e n n z e i c h n e t that the electromagnets (5) on frame (4), which are in the, at the bottom The profiles (3) attached to the traverse (1) can be pushed in, resilient and pendulum-free are attached.