CN1587010A - Automatic material transport system - Google Patents
Automatic material transport system Download PDFInfo
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- CN1587010A CN1587010A CN 200410055184 CN200410055184A CN1587010A CN 1587010 A CN1587010 A CN 1587010A CN 200410055184 CN200410055184 CN 200410055184 CN 200410055184 A CN200410055184 A CN 200410055184A CN 1587010 A CN1587010 A CN 1587010A
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Abstract
The automatic material transporting system includes several machining centers, one continuous conveyer and at least one vehicle. Each of the machining centers is provided with several machining tools and one stocker. The stocker is a rectangular stereo structure and has several transmitting ports in the relatively longer first side and second side separately, and the transmitting ports in the first side are connected separately to the tools and those in the second side to the conveyer. The vehicle completes the material transportation among the stockers of the machining centers by means of the transportation path of the continuous conveyer.
Description
Technical field
The present invention is meant a kind of automated material handling system that utilizes load-transfer device to carry out material handling especially relevant for a kind of automated material handling system.
Background technology
Along with process technique constantly promotes, the material size that quartz conductor or opto-electronics are produced (comprising wafer and glass substrate) also constantly strengthens, because these materials are normally carried for a collection of (lot) puts into brilliant boat (cassette) afterwards with 25 again, its weight obviously exceeds the energy load of manpower institute already, and therefore present factory building mostly adopts automated material handling system (AutomatedMaterial Handling System; AMHS) major equipment of carrying as brilliant boat.
See also shown in Figure 1A, it is single cycle (single loop) automated material handling system 10 scheme drawings of prior art, comprise an overhead single cycle track 11, then demand planning around the track 11 according to processing procedure, the machining center 12 (bay) of various functions is set, a plurality of transport trolleys (overhead shutter is then arranged on overhead single cycle track 11, OHS) 13 its inside are mounted with brilliant boat, and transport trolley 13 shuttles back and forth along the path of track 11 and carry out material handling between each machining center 12.Because material is to carry between each machining center 12, therefore such handling system is commonly referred to as the Interbay handling system.
Each machining center 12 inside has a storage 14 and an a plurality of board 15 (tool), wherein be located at same machining center 12 in-to-in boards 15 and have dependence usually on processing procedure, therefore a machining center 12 can be considered a manufacturing cell in the planning of processing procedure.
Storage 14 radical function is as transfer point and the working area during material handling between transport trolley 13 and the board 15, existing storage 14 is the spatial structure of a rectangle, be respectively equipped with a plurality of coffrets 141 in two relatively long side inside, the one minor face then is to be connected with track 11, and the centre then is to be provided with a carrying implement (crane) can carry out the carrying of material between each coffret 141.Storage 14 is with one of close track 11 or two coffret 141a, 141b, as the I/O port that transport trolley 13 is carried out the material transmission, remaining coffret 141 then is to be connected with board 15 respectively, and as the board 15 and the I/O port that material transmits between 14 of storing in a warehouse.
Because the unidirectional delivery track that existing single cycle automated material handling system only can provide is therefore comparatively simple in the control and the conveying planning of chassis, mostly be industry at present and adopt, but still have many shortcomings to exist on the practice, for example:
A. handling efficiency is not good: because existing technology only can unidirectionally be carried, if material is because processing procedure needs, heavy industry (rework) for example, must return to back former machining center and carry out operation, this moment, chassis can't directly fall back, and must cover the whole rail path, and can get back to former machining center once again carries out heavy industry, therefore, the handling efficiency of prior art is not good.
B. when prior art is applied in the unidirectional Interbay transmission of long distance, having empty wagons passback problem produces: if factory building is on placement policy, being provided with in the time of to arrange with unidirectional long form of length of its machining center, the problem that existing single cycle has the empty wagons passback produces, in the planning of sending a car, the time of empty wagons passback must be taken into account.
C. when prior art is applied in the Interbay transmission of section type, system's cost of investment is higher: see also shown in Figure 2, when if Interbay belongs to the section type transmission, whole handling system is formulated for a plurality of machining center districts independently mutually, between above-mentioned independent machining center district, do not need to carry out the material transmission, and for the ease of difference, machining center 12 its number designation back of same district will not indicate different English alphabets.Because the single cycle handling system 10 of prior art must be a complete system, therefore, (as dashed region) is with the waste of formation system investment between each independent machining center district.
D. prior art is subject to the quantity of system's chassis, can't be as waiting for processing procedure material (working inprocess, working area WIP).
E. the transmission direction of prior art is for fixing, can't change the direction of transmission or the function of bidirectional transmission is provided.
Therefore, for the research staff who is engaged in automated material handling system association area, there's no one who doesn't or isn't be devoted to propose the shortcoming that preferable scheme solves prior art, more smooth and easy in the hope of the carrying that can make material, efficient is better.
Summary of the invention:
Main purpose of the present invention is to provide a kind of automated material handling system to promote the handling efficiency of material.
Another object of the present invention is to provide a kind of automated material handling system to avoid producing the problem of empty wagons passback.
Another purpose of the present invention is to provide a kind of automated material handling system, and it can reduce the waste of system's investment between each independent machining center district when being applied to section type Interbay transmission.
A further object of the present invention is to provide a kind of automated material handling system, and it can provide more working area to wait for that to provide the processing procedure material is temporary.
Of the present invention again again a purpose be to provide a kind of automated material handling system, the function that it can provide bidirectional transmission makes the carrying of material more flexible.
In order to achieve the above object, one of the disclosed automated material handling system of the present invention embodiment comprises a plurality of machining centers, a continous way load-transfer device and a plurality of chassis.
Above-mentioned a plurality of machining center can be according to processing procedure be formulated for linear rank or annular arrangement, each machining center can be considered a manufacturing cell, its inside is provided with a plurality of boards and a storage, same machining center in-to-in board has dependence usually, can be considered a manufacturing cell in the planning of processing procedure.
Storage is the spatial structure of a rectangle, it is at relatively long dual side-edge, comprise first side and second side, be respectively equipped with a plurality of coffrets, then be to be provided with a carrying implement between two sides, wherein the coffret of first side is connected with board respectively, and carry out the transmission of material between coffret and the board, at least one coffret of second side is connected with load-transfer device, and carry out the transmission of material between chassis and the coffret, carrying implement then is to carry out the material transmission between each coffret of storage in-to-in, and therefore storage can be as the transfer point or the working area of machining center materials inside transmission.
The continous way load-transfer device can be formulated for linearity or single cycle according to the arrangement mode of machining center, and adopt overhead mode respectively second side of top ceiling and storage supported.A plurality of chassis are in order to carry brilliant boat, and a batch materials can be deposited in brilliant boat inside, and chassis then is to move on the transport path that the continous way load-transfer device is provided, and carry out the material transmission between the storage of each machining center.
Among the present invention, the automated material handling system comprises one first machining center and one second machining center, first machining center is provided with a two-way coffret in second side of storage, and second machining center is provided with a two-way coffret in second side of storage, and the continous way load-transfer device is a bidirectional transmission between above-mentioned two bidirectional transmission interfaces.
When the processing procedure homogeneous phase while that above-mentioned two machining centers are provided, two machining centers can carry out the processing procedure support each other and temporarily providing room is provided.Provide FEOL when first machining center again, and second machining center is when providing back-end process, if when the material of second machining center needs rework, it can see through the continous way load-transfer device and pass material back first machining center and carry out heavy industry.In addition, make a mistake when the bidirectional transmission for fear of load-transfer device, handling system of the present invention more comprises a control logic and an interlocking circuit device, be connected with first machining center and the second machining center signal respectively, and control the transmission direction of load-transfer device between first machining center and second machining center.
Another embodiment of the present invention is applied to the material transmission of section type Interbay, and it comprises a plurality of independently machining centers district, a plurality of section type load-transfer devices and a plurality of chassis.
Above-mentioned machining center district is independent each other, its inside comprises an at least one machining center and a section type load-transfer device, wherein each machining center has a plurality of process work bench and a storage, and the section type load-transfer device then is to be connected with at least one coffret of storage second side.Chassis then is to be positioned among the section type load-transfer device, and the transmission path that utilizes the section type load-transfer device to be provided is stored in a warehouse and chassis between material transmission.
In the process of section type Interbay material transmission, material is that the processing operation is finished in inside, work in-process heart district, the machining center district that need not to be delivered to again other processes operation, therefore, independently do not connect separately between each section type load-transfer device of the present invention, need not to build between the work in-process heart district and put transmission system, therefore can not form waste.In addition, because independent each other between each section type load-transfer device, its throughput direction can be designed to unidirectional transmission or bidirectional transmission voluntarily and can not interfere with each other, thus present embodiment in the conveying planning of material than prior art elasticity more.
Description of drawings
Fig. 1 is the single cycle automated material handling system scheme drawing of prior art;
Fig. 2 is applied to the scheme drawing of section type Interbay transmission for prior art;
Fig. 3 is that first of automated material handling system of the present invention is implemented illustration;
Fig. 4 is the lateral plan of storage of the present invention;
The scheme drawing that Fig. 5 utilizes top ceiling and storage to support for load-transfer device of the present invention;
Fig. 6 is second embodiment of the present invention figure;
Fig. 7 is third embodiment of the present invention figure.
The figure number explanation:
10 automated material handling systems, 11 tracks
12 machining centers, 13 transport trolleys
14 storages, 141 coffrets
15 boards, 30 automated material handling systems
31 machining centers, 32 continous way load-transfer devices
33 chassis, 34 boards
35 storages, 351 first sides
352 second sides, 353 coffrets
36 carrying implements, 37 working areas
4 top ceilings, 60 automated material handling systems
61 first machining centers, 62 second machining centers
63 storages, 632 second sides
64 coffrets, 65 continous way load-transfer devices
66 control logics, 67 interlocking circuit devices
70 automated material handling systems, 71 machining center districts
72 section type load-transfer devices, 73 chassis
75 storages of 74 boards
752 second sides, 753 coffrets
The specific embodiment
See also shown in Figure 3ly, it is that first of automated material handling system 30 of the present invention is implemented illustration, and it comprises a plurality of machining centers 31, a continous way load-transfer device 32 and a plurality of chassis 33.
In automated process factory, the arrangement of factory building in-to-in machining center 31 is decided according to processing procedure planning, and for the ease of the conveying of material, machining center 31 adopts the linear rank or the planning of annular arrangement usually, each machining center 31 can be considered a manufacturing cell, its inside is made up of a plurality of boards 34 and 35 of storages, and these boards 34 have dependence to a certain degree usually on processing procedure, can be considered a manufacturing cell in the planning of processing procedure.
The arrangement mode of continous way load-transfer device 32 can be linearity or single cycle, and be connected to each other with storage 35 second side 352, because second side 352 is the relative longer sides of storage 35, therefore, when continous way load-transfer device 32 is set up in top ceiling 4 in overhead mode, second side 352 of storage 35 can provide more bracing force (as shown in Figure 5), to improve the stability of continous way load-transfer device 32, otherwise, if 35 minor face is connected with load-transfer device 32 to store in a warehouse, Area of bearing and bracing force that it can provide are less, and relatively the stability of load-transfer device 32 is also relatively poor.
A plurality of chassis 33 have a batch materials in order to carry brilliant boat in brilliant boat internal storage, and chassis 33 can move on the transport path that continous way load-transfer device 32 is provided, and carry out the material transmission between above-mentioned each machining center 31.
See also shown in Figure 6, it is second embodiment of the present invention figure, automated material handling system 60 comprises that one first machining center is with 61 and 1 second machining center 62 among the figure, first machining center 61 is provided with a two-way coffret 64 in second side 632 of storage 63, and second machining center 62 is provided with a two-way coffret 64 in second side 632 of storage 63, and wherein continous way load-transfer device 65 is a bidirectional transmission between above-mentioned two bidirectional transmission interfaces 64.When the processing procedure homogeneous phase while that above-mentioned two machining centers 61,62 are provided, two machining centers can carry out processing procedure support (backup) each other, and temporarily providing room is provided.
Its embodiment is described as follows, production capacity has reached at full load on the line of first machining center 61, and second machining center 62 is when still being in idle state, just the material that can keep in first machining center 61 this moment, see through the load-transfer device 65 between two machining centers 61,62, mass transport to the second machining center 62 is carried out process operations, make the production capacity of two machining centers 61,62 perform to best state, and then improve single-piece production efficiency.Otherwise if production capacity has reached at full load on the line of second machining center 62, and first machining center 61 is when being in idle state, and then the load-transfer device 63 that sees through between two machining centers 61,62 carries out process operations with mass transport to the first machining center 61.
In addition, present embodiment also can be applied to the machining center of two different processing procedures, its embodiment is described as follows, if first machining center 61 provides FEOL, and second machining center 62 is when providing back-end process, when the material of second machining center 62 needed rework (rework), the load-transfer device 65 that it can see through between two machining centers 61,62 was sent to first machining center 61 with material and carries out heavy industry.And make a mistake when the bidirectional transmission for fear of load-transfer device 65, handling system of the present invention can comprise a control logic 66 (PLC) and an interlocking circuit device 67 (interlock), be connected with first machining center 61 and second machining center, 62 signals respectively, and control the transmission direction of load-transfer device 65 between first machining center 61 and second machining center 62.
See also shown in Figure 7, it is third embodiment of the present invention figure, present embodiment is applied to the materials conveying system 70 of section type Interbay, comprises a plurality of independently machining center district 71a, 71b, a plurality of fragment load- transfer device 72a, 72b and a plurality of chassis 73a, 73b.
Above-mentioned each machining center district 71a, 71b are independent each other, its inside comprises an at least one machining center 71 and a section type load-transfer device 72, wherein each machining center 71 has a plurality of process work bench 74 and a storage 75, and 72 of section type load-transfer devices are to be connected with at least one coffret 753 of storage 75 second side 752.Chassis 73 then is to lay respectively among the section type load-transfer device 72, and the transmission path that utilizes section type load-transfer device 72 to be provided store in a warehouse 75 and chassis 73 between material transmission.
In the process of section type Interbay material transmission, material is that the processing operation is finished in 71 inside, work in-process heart district, the machining center district 71 that need not to be delivered to again other processes operation, therefore, independently do not connect separately between each section type load-transfer device 72 of the present invention, can not form waste between the transmission system work in-process heart district 71.In addition, because independent each other between each section type load-transfer device 72, its throughput direction can be designed to unidirectional transmission or bidirectional transmission voluntarily, so the present invention is carrying in the planning than prior art elasticity more.
Claims (10)
1, a kind of automated material handling system is characterized in that, comprising:
A plurality of machining centers, above-mentioned each machining center has a plurality of process work bench and a storage, and first, second side of this storage is respectively equipped with a plurality of coffrets, and above-mentioned a plurality of boards are connected with a plurality of coffrets of this first side respectively;
One continous way load-transfer device is connected with at least one coffret of storage second side of above-mentioned machining center respectively; And
At least one chassis, the transmission path that utilizes this continous way load-transfer device to be provided carries out the material transmission between above-mentioned storage.
2, automated material handling system as claimed in claim 1 is characterized in that, is provided with a carrying implement between first, second side of above-mentioned storage, and this carrying implement can carry out the carrying of material between above-mentioned coffret.
3, automated material handling system as claimed in claim 1 is characterized in that, this material is that unit is positioned among the brilliant boat with a collection of, utilizes this chassis to carry again.
4, automated material handling system as claimed in claim 1, it is characterized in that, above-mentioned handling system comprises one first machining center and one second machining center, this first machining center is provided with a two-way coffret in second side of storage, and this second machining center is provided with a two-way coffret in second side of storage, and this continous way load-transfer device is a bidirectional transmission between above-mentioned two bidirectional transmission interfaces.
5, automated material handling system as claimed in claim 4 is characterized in that, above-mentioned two machining centers all provide identical processing procedure, can carry out processing procedure support and temporarily providing room each other.
6, a kind of automated material handling system is characterized in that, comprising:
A plurality of independent machining centers district, this machining center has a plurality of process work bench and a storage, and first, second side of this storage is respectively equipped with a plurality of coffrets, and above-mentioned a plurality of boards are connected with a plurality of coffrets of this first side of storing in a warehouse respectively;
A plurality of section type load-transfer devices, it is inner and be connected with at least one coffret of storage second side of above-mentioned machining center respectively to be located at this machining center district respectively; And
A plurality of chassis lay respectively among the above-mentioned section type load-transfer device, and the transmission path that utilizes above-mentioned section type load-transfer device to be provided, and carry out the material transmission between above-mentioned storage.
7, automated material handling system as claimed in claim 6 is characterized in that, is provided with a carrying implement between above-mentioned storage two sides, and this carrying implement can carry out the carrying of material between above-mentioned coffret.
8, automated material handling system as claimed in claim 6 is characterized in that, this storage in-to-in coffret is provided with a plurality of working areas in the corresponding position of its vertical direction.
9, automated material handling system as claimed in claim 6 is characterized in that, above-mentioned fragment load-transfer device is a unidirectional transmission.
10, automated material handling system as claimed in claim 6 is characterized in that, above-mentioned fragment load-transfer device is a bidirectional transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100551848A CN100392841C (en) | 2004-08-12 | 2004-08-12 | Automatic material transport system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100551848A CN100392841C (en) | 2004-08-12 | 2004-08-12 | Automatic material transport system |
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| CN1587010A true CN1587010A (en) | 2005-03-02 |
| CN100392841C CN100392841C (en) | 2008-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100551848A Expired - Fee Related CN100392841C (en) | 2004-08-12 | 2004-08-12 | Automatic material transport system |
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| TW430631B (en) * | 1999-07-23 | 2001-04-21 | Chi Mei Optoelectronics Corp | Stock conveying system |
| JP2002093876A (en) * | 2000-09-11 | 2002-03-29 | Nec Kagoshima Ltd | Device and method for transfer of semiconductor product |
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