DE2060957A1 - Storage system for workpieces and / or tools for several processing stations - Google Patents

Description

2060917

Applicant VEB Werkzeugmasehinenkombinat "October 7th" BerU *
Berlin - Weifteeee
German Democratic Republic

Storage system for workpiece and / «the tool for several processing stations

The invention relates to a storage system for works lick β and / or tool · for several machining tags with ring-shaped e & ordered storage spaces in consecutive * floors, with each floor individually depending on the occupancy of one or more Machining stations can be rotated and aiβ individual floors via conveyors with the machining stations are connected·

Ss is ready a storage device for work pieces known which in an automatic production * - system is used with MaaokUs arranged one behind the other · The storage tank is designed like a shelf and parallel ze. the one behind the other Machines set up · Located on the receiving side of the regalartigon storage that is used by the machines there is a conveyor that, guided on rails and controlled by a given program, feeds the individual Machine starts up to feed workpieces clamped on pallets to the machines or after execution the intended operation to remove the same · The conveyor can also be moved vertically around the can coat individual floors of the shelf-like storage unit

ORfQlNAL INSPECTED

209823/0513 " ^{2 <m}

The arrangement of the shelf-like storage along the machines creates a large storage area achieved the line-up of shark lines next to each other but hindered the workpieces require due to their structural design, a multitude Sound work aisles, each only on special machines are feasible, it also increases the space requirement for the production β «yet ice in the longitudinal direction completely essential, since a different machine grounding in relation to the formation of the accumulator is not possible Sick doesn’t let the production system be. At the same time, the conveying routes increase due to the arrangement of the machines one behind the other considerable, which means that the machines can be loaded easily by a sponsor at a beat ine ten Masckiaenaazahl is no longer guaranteed · The working speed of the sponsor are also set to gremen, ee because of the great storage capacity The entire production system cannot be used to full capacity · The · Attachment of several conveyors on the removal side of the shelf-like storage the game would be rough as a result of mutual handicap « Restrict use again «·

There are already storage facilities for eimselft Machine tools known that consist of several superposed disks for receiving τβη tools consist · The tools are used in recesses of the discs, which sick on concentric Hole circles are located or in compartments on the periphery of the discs · The individual discs are through separate drives can be rotated independently of each other and

ORIGINAL INSPECTED "3 ..

209823 / 051.1

the tools move the specified one by counting Program in handover positions · Sort they will ν · » a vertical conveyor that can move across all floors captured and through. Right scales conveyors in the Torrn Te * chain or track conveyors and transfer systems transported to the tool spindle or from there Transfer tool spindle to memory ** In the Practice is in each case a memory of this kind of a certain factory sesgma line "" organized and placed next to this

The storage volume in these facilities is relative small amount. Also require memories for each machine tool a high manufacturing effort and require specially trained for the corresponding machine Funding facilities, what the storage units do * - gen additionally compiled and prone to failure «eight» Assume that several factory vacuum machine kits are to be used Storage facilities ««. a manufacturing system are united, so is its efficiency in turn dependent on a main conveying device, which is the individual storage devices of the machines supplied · If a certain number of machines is exceeded, the unproductive expenditure of time would increase to an unacceptable level due to the conveyor being overloaded « If the loading of one of the storage devices were carried out manually, it would be a continuous one Tool space for the various machines not guaranteed and the degree of automation aimed for with a production system is reduced · The arrangement the memory next to the machines restricts accessibility one and requires a large amount of piata for the installation of further machines is lost «

-4-209873 / 051 $

2860957

EiAt universal · Assignment of a storage device χα different machines are not possible, which means that the KoabiAatioA ability with limited smoothnessA eichleaien iet

In contrast, elA was prepared for several days of ring memory TorgeeohlageA, the simultaneous multiple machine tools old work pieces can take care of. The individual tier rings elAd for eich Ia depending on the program in each case oiAe r tool * »βchlAO rotatable« • in »a stage ring the noria on tale conveying movement of the Ia tenants recorded work pieces · Each Werksengmaachine a vertical conveyor is assigned to the parts of the corresponding machines eAdet and takes over the workpieces from the PäeherA of the tier rings, bsw. there hands over · The vertical conveyors are there Advantageously with the Ringepeicher Furthermore, a vertical conveyor is provided for equipping the ring buffer, which is also used on the same side Emptying the ring reservoir

The storage volumes let alt elAea such storage though Significantly enlarged, but correspondingly elAer beetloaten Installed on a number of work machines · Be bigger ifaechlAeAaAsahl let the memory not meet the requirements grown more. SeIIeA ζusät «also borrowed the workpieces Tools are saved, this is the storage volumeA unsatisfactory. In addition, it can be used under certain conditions The loading and emptying of the ring accumulator was also required by means of a common vertical conveyor · for the Have an adverse effect on the production process if χfor example dae raw parts store housed separately τοα finished parts store let

-5-209823 / 0613

2O6O957

It is the purpose of the invention to reduce the storage capacity z «. increase the need for AufstelluiigegruA * fläoh · for The spoke of a tea to be restricted and a · good · accessibility to the one «one processing stations to ensure · At the same time, old is foreshortening the conveying path · single · fast loading of all processing · ■ stations achieved and the susceptibility to failure is reduced will·

The invention is based on the task of a storage system for work and / or tools for multiple machining operations with storage spaces arranged in a ring, in consecutive days, each day for aich, depending on the workload, one of the several processing stations can be rotated and the individual floors via conveyor systems with the Processing «Stations connected simd, au create which Sufficient storage capacity for according to Art UMd size different production equipment at amt insignificant hindrance to the establishment of Yen processing as ta tioaen, easily expandable 1st and for various combinations τβη processingatations with vertical and horizontal span »· divide an automatic workpiece or tool «gfl * I ζκ Everyone Processing station guaranteed, webei imabhisgig τ · η one main conveyor several processing sets at the same time to be supplied

According to the invention, the task is solved by the fact that a central memory is available, does the trick several · AuSen storages are grouped · Zid see dem Central storage and every neighboring external storage Is assigned to both stores · Vertical conveyor hung up

-6-209823 / 0 ^ 1.1

The outside storages are also through each other Vertical conveying devices or connected by means of transfer devices · Furthermore, a loading and emptying device arranged on one of several storage tanks · The storeys' floors are included stored above the processing stations

See his preferred configuration of the storage system provide that the external storage tanks are arranged concentrically to the central storage tank *

The loading device can also be used from the emptying device en be separate, indea loading facilities at some stores and loading facilities at others Store the emptying devices attached. Occasionally, the Seschiokungseinrichtuttg is also the central storage facility and the emptying device to an outside sewer provided · The loading device Bxw is advantageous. Emptying device as a vertical conveyor Eit swiveling * gripper designed and with a «transportable pallet storage unit can be coupled ·

The transfer device is designed to be around a vertical axis swiveling era With telescopic «gripper executed · Ss is possible, the transfer device on eiAosi carrier between two opposing outer spears to hang up · In the case of other design, the swiveling era is fixed to the floor Frame stored

The invention achieves that for any manufacturing system A universally replaceable memory ray system is available with different processing statiomon stands · las storage volume is for work pieces and at the same time Tools due to easy expandability

-7-203823 / 0611

sufficient «by the fact that dl · floors of storage as well die Übergabe «- and SejArechtiördereinriehtungen But the processing stations are organized in *, tent for dl list of processing stations eiae maximal Installation area available. Can dealt dl · Editing act on each other in different ways be assigned, noble old consideration for short bicycle routes an arrangement of the processing stations «« dt their tension parts step under the vertical conveyor is. Deviations can be compensated for by the swiveling ability of the vertical conveyor. Sine gat accessibility the one-of-a-kind processing stations consequently guarantees “organic training of the storage system also allows installation in old buildings several floors · The processing stations were set up on the lowest floor, whereas the storage system is arranged on the upper floor and the vertical conveyor is only angled become buses · By standardizing the vertical conveyor Interchangeability is made possible and at the same time susceptibility to failure through simple ι * Guided tours reduced.

The individual floors take over the horizontal one Transport of works and / or workpieces, ·· dal the conveyor systems to the individual processing stations are relieved · Ee is through the storage system ensures that several machining stations take care of old workpieces or tools at the same time without restricting the consultation is · through the arrangement of loading · and emptying devices at different storage tanks the workflow vary and the corresponding Adapt the circumstances. As a result of the coupling of the and emptying stations with transportable trap storage can be a central loading of pallets with workpieces or tools on another

Perform place.

The dan processing stations associated vertical conveyors own sled with rotatable and horizontally and vertically movable Greifereinrlchtung which _t a feed both horizontal, and vertical al clamping areas is made possible "·

The invention is described below using an exemplary embodiment are explained in more detail. Point in the accompanying drawings

Pig 1t a perspective view of the storage system in a simplified representation,

Hg 2: the top view of the storage system with concentric, ^ ordered outdoor storage, schematic table

The memory system according to Pig · 1 consists of a central memory 1, around which Auöen-Speieher 2 are grouped " The memory 1; 2 have a plurality of annular floors 3 arranged one above the other, each on one within the annular floors 3 located frame 4 are mounted. The frame 4 is mounted on Qeatellflßen 5.

Each annular floor 3 has a drive, not shown, effective in both directions of rotation, for example can be designed as an electric motor with gear transmission · The ring-shaped floors 3 are on the circumference with Compartments 6 for storing workpieces 7 or tools 8 and form the actual storage spaces · The floors 3 are stored in such a way that they extend over processing stations 9 assigned to the spears 1 and 2 can rotate freely · Between central storage 1 and each adjacent external storage tank 2 is a vertical

-9-209823 / 0513

conveyor 10 suspended on carriers 11 »the attached to the frames 4 «Lud. Di · S «Utrecht Funding device 10 is able to work piece · 7 or Tools β from the head office? eicher 1 z * remove and to the adjacent external storage 2 zn »aewie also to run this operation in the reverse order · The vertical conveyor device 10 consists of a vertical watch strap 12 on the one slide 13 "with rotating part 14 oma | ep £ eXar gripper 15 is mobile over all ring-shaped floors j · The double arctic gripper 15 is heriatental and vertical movable· '

Bi are at each memory 1; 2 further · vertical conveying devices 16 arranged. These are radial and a before parallel za the memory *. Move 1 j 2 at a distance Scope a & ireitragem 17 attached. Di · Frei trig he 17 can be swiveled to the aestellem 4 «Α £ · ~ steers and ends across the span of the »ageera- “Eten processing terms f, were * Ia Jig · 1 mar» wei shown in pore of Dreheslhimen are * · Every vertical conveyor day ii consists of a

rail 18 on which a slide 19 is guided The carriage 19 carries a vertical, herixental and rotatable changing device 20. The central memory 1 is a core-linked one in FIG. 1 aαβerden Feeding device 21 o »d emptying egg * - Direction 22 attached · This consists of aas bucket up Lührnngsschiene 23 reaching to the floor, which on buckets the award winner 17 is attached to a bucket carriage 13 «With rotating part 14 and Deppel arm gripper 15. Transportable

- *

Pallet storage 24, which are present in the ^ TaIl as on Rails 25 guided carriages 26 «with stacked one on top of the other Discs 27 for receiving the clamped on pallet «28 Workpieces 7 or the tools 8 are used to take over

2098? 3/061 3

the traneport from a central tension budget! on 29 » like in Pig. 2 can be seen »to the loading device 21 or from the emptying device 22 for relaxation, as indicated by the arrow. The tensioning station 29 can also be the entapann station 30 y cleaned aein. The transportable pallets » Apeicher 24 are in front of the loaded devices 21 Either emptying device can be locked in amgeli 22. In this In the locked position, the discs are 27 Ten a * not shown drive ebhrittweiae rotated for the purpose of takeover or · transfer of the work pieces 7 of each tools 8 through the ready 15. In a «manufacturing equipment center 33 the tools 8 are already told, work is harvested» Instructions Hftd Program Management Agency

The AtuBenapeicher 2 can also with each other be connected by vertical conveyors 10 With larger distances between the stores 1; 2, the attachment of transfer devices 31 is expedient. In Figure 2, the transfer device 31 is rotated around Axis 32 of pivotable Azs formed with a gripper. Other known transfer devices 31 can also be attached. The? Ig. 2 shows several outside Sp ei rather 2 kojuentriech zam central memory 1 »Ageerdnet, with each Memory 1; 2 again multiple processing? a ta deep * 9 are assigned «the radially out to the Speiehera 1j 2 below of the ring-shaped floors 3 are set up

The entire storage system is managed by the eleventh central computer, which is available to the corresponding finished system, controlled · The computer takes over the optimization of the interaction of the storage system with the processing «·» Stations 9 and tensioning stations 29 »Bntapannstatieftem and Tertigaftgsmittelaentrum 33

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The mode of operation of the storage system is as follows: In the clamping station 29, the work pieces 7, which are from a central warehouse, aligned and in a certain fixed position on the pallets 28 Tensioned · These loaded pallets 28 are transferred to the disks 27 of the transportable pallet accumulator 24. The workpieces 7 remain during the entire process, i.e. during the storage and machining process, on pallets 28 "

In a similar way, the discs 27 of other pallets are Storage 24 in the manufacturing means 33 ait in clamping means held tools 8 loaded · If the pallet storage 24 is loaded, there is a movement to the Charging unit 21 of one or more stores 1 | 2 · Di · Movement can take place manually or, in the case of automated roll systems, by its own drive, whereby the rails 25 are used for guidance. The Pallet storage 24. The double-arm grippers 15 of the loading units 21 are moved to take-over positions and capture a pallet 28 with workpiece 7 or « A tool 8 held in a clamping device The clamping devices and pallets 28 are designed in such a way that that all “have an approach of the same form and GrSBo for picking up by all grippers of the loading devices 21, vertical conveyor devices occurring in the storage system 10 j 16, transfer devices 31 as well as Ibtlcerungeereinrichtuagen 22 ·

The double armf reif er 15 is able to handle both a workpiece 7 or tool 8, to raise and load into the empty compartment 6 of a stage to then to return to the takeover position as well at the same time two workpieces 7 or tools 8 through

-1t,

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Swiveling by 180 ° to transport a conveyor path, The tools 8 are expediently separated from the Workpieces 7 stored in certain floors 3 «The step-by-step progression of the disks 27 of the pallet store 24, the movement of the carriage 13 of the loading device and the rotation of the floors 3 of the Storage 1 (2 is timed to be coordinated with one another via a program determined by tob Seohner · After a memory 1 or 2 is filled, the processing of the workpieces 7 on the processing stations 9 begin «There is always a floor 3 assigned to a specific processing station 9, brings the corresponding vertical conveyor device 16 an unprocessed workpiece 7 from a compartment 6 of the floor 3 * of the clamping position of the processing station 9. There it is processed and, in the meantime, a new workpiece 7 from another to be processed Compartment 6 of the same floor 3 by the vertical conveyor 16 removed · Haeh Completion of the processing sequence there is an exchange between machined and unmachined workpiece 7 at the spare point the processing station 9 by the changing device 20 · After the machining of the new workpiece 7 has started, the slide 13 moves the vertical conveyor 16 upwards and lays the machined workpiece 7 in a through interim Rotation of floor 3 in front of the vertical conveyor 16 ready empty compartment 6. This process is repeated for all with workpieces 7 Filled floors 3 · Have the workpieces 7 of a floor passed through a processing station 9 and If further work steps are required, the transfer to a floor 3 of another store 1 takes place; 2,

-14-

the processing stations required for further processing 9 are assigned · The handover can by the vertical conveyor devices arranged between the stores 1} 2 10 or transfer facilities take place, each of which is all «floors 3 of the neighboring Memory 1 {2 can coat ·

However, there is also the option of all of them first Memory 1 | 2 to be filled before the actual machining of the workpieces 7 begins

If the processing of a series of tob workpieces 7 is completed, the corresponding emptying takes place Speieher 1 | 2 via the Intleerungseinriehtang 22 in the Loading in reverse order. Babel can do it at the same time the filling of the spears 1; 2 with a new one Series of workpieces 7 are carried out · The tools 3 are stored in analog form Way of storing the workpiece · 7 · Si · Optimizing the shortest workpiece and tool throughput it, the cheapest processing station utilization and the best use of spits the already mentioned lechmer

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Claims (5)

Patent claims: 1. Storage system for workpieces and / or tools for several machining stations, with ring-shaped arranged storage spaces in successive floors, each stage depending on itself the utilization of one or more processing stations can be rotated and the individual! converge! over! conveyors with the processing stations are connected, characterized, dsJ a central storage (1) is not available} around the ZemtrsJUSpeicher (1) one or more Amfienspelcher (2) are grouped between central ßpeicher (1) and each neighboring Aufiem-Speieher (2) both Speitkerm (1f2) assigned vertical conveyor system (10) is suspended j the external storage tanks (2) also flow through one another Vertical conveying devices (10) or by transfer devices (31) are connected to a loading device (21) and emptying device (22) is arranged on buckets or several spears (1 | 2), which can be coupled with a bucket transport device; the stagem (3) the storage (1; 2) stored above the processing stations (9) simd 2. Storage system according to claim 1,
characterized, that the external storage (2) is concentric to the central storage (1) are arranged -2- 3 «storage system according to claim 1 or 2, characterized , for that the Besehiekua ^ eeinrlohtungen (21) to storages (1 | 2) are provided and the drainage units (22) are attached to other storage tanks (2) « 4. Storage system according to spoke 1 or 2, characterized in that therefor the loading device on the central storage tank (1) (21) and on a storage tank (2) the emptying device (22) is seen " 5. Storage system according to claim 1, 3 or 4, characterized, therefor the loading device (21) and / or emptying S device (22) is designed as a vertical conveyor (10) with a pivotable gripper (15) and can be coupled to a transportable pallet store (24)