CN109712509A - A kind of simulation production line training platform - Google Patents

A kind of simulation production line training platform Download PDF

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Publication number
CN109712509A
CN109712509A CN201811632826.4A CN201811632826A CN109712509A CN 109712509 A CN109712509 A CN 109712509A CN 201811632826 A CN201811632826 A CN 201811632826A CN 109712509 A CN109712509 A CN 109712509A
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Prior art keywords
robot
robots
lathe
sorting
assembly
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CN201811632826.4A
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CN109712509B (en
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解润海
尤涛
于俊朋
张�杰
高志华
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Tianjin Tiansen Intelligent Equipment Co Ltd
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Tianjin Tiansen Intelligent Equipment Co Ltd
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Abstract

The present invention relates to a kind of simulation production line training platforms, including base, No.1 sorts detection unit, No.1 robot, conveyer belt, No. two sorting detection units, No. two robots, assembly unit, No. three robots, assemble detection unit and feed bin storage unit, before base upper end, it is arranged at intervals with the conveyer belt of two horizontal cross afterwards, base upper center lateral separation sequence between two transmission belts is equipped with No.1 sorting detection unit, No.1 manipulator, No. two sorting detection units, No. two robots, assembly unit, No. three robots, assemble detection unit and feed bin storage unit;Lathe is installed on the outside of the base of No.1 robot work region, the working range intersection position of No.1 robot and No. two robots is provided with planer-type milling machine.This platform can be realized unmanned automatic production, and make production process it is anticipated that rule or preset program carry out automatically controlling, guarantee production in accuracy and economy.

Description

A kind of simulation production line training platform
Technical field
The invention belongs to intelligence manufacture field, specifically a kind of simulation production line training platform.
Background technique
Intelligent Machining technical connotation and basic functional principle may be summarized to be following basic special feature:
1, the decision of people is partially replaced.For the machining information for being difficult to quantify and formalize, Intelligent Machining System being capable of benefit Decision solution is carried out with knowledge professional's system, automatically determines process route, part processing scheme and preliminary cutting parameter, and It decision and can voluntarily be solved, completing original needs people to determine in some phenomenons and problem that occur in the process The process automation of plan.
2, the technology of artificial intelligence technology and computational intelligence can be comprehensively utilized.Machining information is quantized into calculating by Intelligent Machining The numerical value and symbol of function identification, recycle computer numerical value calculation method to carry out quantitative analysis to machining information, or to being difficult to The information symbolization inference technology of quantization carries out qualitative analysis.Expert system can be used for the qualitative analysis for being difficult to formalize Carry out decision solution.
3, multi-information perception with merge.Intelligent Machining System is each in real-time monitoring process by sensor everywhere State of a unit, such as vibration, cutting temperature, tool wear etc., the Analysis of Policy Making for after provide basic data.
4, adaptation function.Intelligent Machining System can according to sensor provide machining state and with the data of database It supports, adjust automatically cutting parameter, optimizes machining state, realize optimum control.
5, to the inheritance of processing experience.Intelligent Machining technology is not started from scratch, but can be to processing knowledge and experience Storage accumulation is carried out, expands and extends, carry out the extension of process.
By retrieval, patent document identical with the art of this patent scheme is not found.
Summary of the invention
It is an object of the invention in place of overcome the deficiencies in the prior art, provide a kind of structurally reasonable, full-featured, processing Precision height, high-quality simulation production line training platform.
The present invention solves its technical problem and adopts the following technical solutions to achieve:
A kind of simulation production line training platform, it is characterised in that: procedure of processing are as follows:
(1) initialized location prepares to open processing;
(2) raw material are released manually, and raw material sort detection unit by the No.1 that conveyer belt reaches Material Sorting area;
(3) No.1 sorting detection unit distinguishes black material and white material, carries out different processing works by RFID identification material Sequence;
(4) sorting unit signal sends signal, and No.1 robot grabs material, and classification is moved:
(5) it is processed respectively according to setting program:
White material process: No.1 robot carries white material across off-sorting station, is put into No. two sorting detection units, then, waits Signal is assembled, grabs white material to No. two robots;
Black material process: No.1 robot, which send black material, to be changed part point to lathe and is prepared, and waits lathe to be ready to complete, No.1 Robot requests lathe chuck to unclamp, and No.1 robot carries the black material completed the process and moves to shots preparation, lathe opening quotation folder Tight black material, No.1 robot exit lathe, and lathe starts after the completion of turning;When processing, No.1 robot changes part point etc. in lathe To which until lathe process is completed, lathe opening quotation is unclamped, and No.1 robot takes workpiece away;
No.1 robot puts the black material for completing lathe process to planer-type milling machine, and No.1 robot sends information requirements gantry Milling chuck clamps black material, puts to No.1 robot after the completion and retracts Material Sorting area, waits sorting unit signal;Planer-type milling machine It is processed, requests No. two robot pickups after processing is completed, No. two robots are moved to the pickup point of planer-type milling machine, and transmission is asked Chuck is asked to unclamp;
(6) the black material for completing processing is assembled with white material,
No. two robot pickups are transferred to assembly section, in addition No. two robots grab the white of a No. two sorting detection units Material is sent to assembly section, and assembled condition meets, assembled;
(7) classification storage, the workpiece that assembly is completed in No. three robot crawls is sent into assembly detection unit, and is tied according to detection Fruit, the workpiece for completing assembly carry out feed bin assembly judgement, the workpiece for completing assembly are respectively fed to feed bin memory block.
Moreover, step (5) lathe process is completed, the workpiece of completion is put on conveyer belt and is transmitted to by No.1 robot Workpiece is picked up by workpiece on control system automatic identification conveyer belt and is placed on size by intelligent measurement region, clamping robot It is measured in measuring instrument, RFID identification simultaneously records workpiece information.
Moreover, including base, No.1 sorting detection unit, No.1 robot, conveyer belt, No. two sortings detection units, two Number robot, assembly unit, No. three robots, assembly detection unit and feed bin storage unit, the forward and backward interval in base upper end are set It is equipped with the conveyer belt of two horizontal cross, the base upper center lateral separation sequence between two transmission belts is equipped with No.1 Sort detection unit, No.1 manipulator, No. two sorting detection units, No. two robots, assembly unit, No. three robots, assembly Detection unit and feed bin storage unit;
Lathe is installed, in the work of No.1 robot and No. two robots on the outside of the base of No.1 robot work region Range intersection position is provided with planer-type milling machine.
Moreover, clamping robot and size measurement instruments are installed on the outside of the conveyer belt of No. two robot other sides, Workpiece on conveyer belt for identification measures workpiece size.
The advantages and positive effects of the present invention are:
This platform can be realized unmanned automatic production, and make production process it is anticipated that rule or preset program carry out It automatically controls, guarantees the accuracy and economy in production.
Detailed description of the invention
Fig. 1 is platform structure main view of the present invention;
Fig. 2 is the top view of Fig. 1.
Specific embodiment
The invention will be further described with reference to the accompanying drawing and by specific embodiment, and following embodiment is descriptive , it is not restrictive, this does not limit the scope of protection of the present invention.
A kind of simulation production line training platform, including base 8, No.1 sort detection unit 1, No.1 robot 2, conveyer belt 3,4, No. two robots 5 of No. two sorting detection units, 6, No. three robots 7 of assembly unit, assembly detection unit 9 and feed bin are deposited Storage unit 10, the forward and backward conveyer belt 3 for being arranged at intervals with two horizontal cross in base upper end, the base between two transmission belts Upper center lateral separation sequence is equipped with No.1 sorting detection unit, No.1 manipulator, No. two sorting detection units, No. two machines Device people, assembly unit, No. three robots, assembly detection unit and feed bin storage unit.
Lathe (not shown) is installed, in No.1 robot and No. two on the outside of the base of No.1 robot work region The working range intersection position of robot is provided with planer-type milling machine (not shown).
Clamping robot and size measurement instruments are installed on the outside of the conveyer belt of No. two robot other sides, for knowing Supplementary biography send the workpiece taken, measures workpiece size.
Procedure of processing are as follows:
(1) initialized location prepares to open processing;
(2) raw material are released manually, and raw material sort detection unit by the No.1 that conveyer belt reaches Material Sorting area;
Intelligent flexible pipeline: pass through the conveying of programming, conveyer belt, the detection of intelligent detection device and machine of PLC The cooperation of tool hand makes object out of, intelligent repository region after the completion of a unprocessed raw material area to overall processing.Using complete Automatic equipment is allowed to save the time, reduces cost of labor and more preferably completes material production secondary by the gross more quickly, gives enterprise More funds are brought to return.
(3) No.1 sorting detection unit distinguishes black material and white material, carries out different processing works by RFID identification material Sequence;
Intelligent measurement: by conveyer belt, being sent to detection zone, by the detection of various devices, it is known that object The shape that develops the color etc., according to different shape colors after detection, different signals is sent to system, and robot is made to run corresponding journey Sequence.
(4) sorting unit signal sends signal, and No.1 robot grabs material, and classification is moved:
(5) it is processed respectively according to setting program:
White material process: No.1 robot carries white material across off-sorting station, is put into No. two sorting detection units, then, waits Signal is assembled, grabs white material to No. two robots;
Black material process: No.1 robot, which send black material, to be changed part point to lathe and is prepared, and waits lathe to be ready to complete, No.1 Robot requests lathe chuck to unclamp, and No.1 robot carries the black material completed the process and moves to shots preparation, lathe opening quotation folder Tight black material, No.1 robot exit lathe, and lathe starts after the completion of turning;When processing, No.1 robot changes part point etc. in lathe To which until lathe process is completed, lathe opening quotation is unclamped, and No.1 robot takes workpiece away;
In order to promote processing quality, the workpiece of completion can be put on conveyer belt and be transmitted to intelligent measurement region, clamping Workpiece is picked up and is placed on size measurement instruments and measured by workpiece on control system automatic identification conveyer belt by robot, RFID identification simultaneously records workpiece information;
No.1 robot puts the black material for completing lathe process to planer-type milling machine, and No.1 robot sends information requirements gantry Milling chuck clamps black material, puts to No.1 robot after the completion and retracts Material Sorting area, waits sorting unit signal;
Planer-type milling machine is processed, and requests No. two robot pickups after processing is completed, and No. two robots are moved to gantry mill The pickup point of bed sends request chuck and unclamps;
(6) the black material for completing processing is assembled with white material,
No. two robot pickups are transferred to assembly section, in addition, No. two robots grab white material, send to assembly section, assembled condition Meet, No. two robots control qualified workpiece in systems such as vision guide positioning, visual identitys and assembled;
Intelligent assembly: be mainly engaged in the various assembly in product manufacturing later period, detection, mark, etc. processes, the object packet of operation Multiple various parts, component are included, what is finally completed is finished product or semi-finished product, is mainly used in product design maturation, needs Want the product manufacturing occasion of a variety of assembly processes, long-term production.Its superiority is that properties of product and quality are stable, required artificial Less, high-efficient, monovalent products manufacturing costs are greatly reduced, occupied ground is minimum etc..The structure of automatic assembly production line is former It is very similar for managing with automated machine machining production line, hand assembled assembly line, only on hand assembled assembly line Operator be worker, the operator on automated machine machining production line is various work stations or automatic machine tool, and automatic Change and then completes various assembly technologies by various Automated assembly special planes on assembling line.
(8) classification storage, the workpiece that assembly is completed in No. three robot crawls is sent into assembly detection unit, and is tied according to detection Fruit, the workpiece for completing assembly carry out feed bin assembly judgement, the workpiece for completing assembly are respectively fed to feed bin memory block.
Intelligent repository: modern intelligent repository is exactly that fixed goods shelf is used to store cargo, carries setting automation equipment simultaneously Input work is controlled out by computer, makes to take care of and all realizes that unmanned, automatic operation one kind is efficient with handling, saves storehouse The solid type Automatic Warehouse in library space.The appearance of modern intelligent repository solves the rapid circulation of goods and materials, and labour is insufficient and soil The problems such as nervous, receives and generally uses.The application of intelligent storage ensure that merchandise warehouse management links data input Speed and accuracy, it is ensured that enterprise timely and accurately grasps the truthful data of inventory, rationally keeps and control business inventory.More may be used To grasp all warehouse goods present positions in time, be conducive to the working efficiency for improving storehouse management.Establish an intelligence Warehousing system needs the your kind effort of Internet of Things to support, not only article is complicated inside modern warehousing system, comes in every shape, different properties, And work flow is complicated, through frequently with intellectual technology there is automatic control technology, intelligent robot heap palletizing technology, intelligence to believe Cease administrative skill, mobile calculation technique, data mining technology etc..In those above situation Internet of Things application can change it is numerous For letter, entire efficiency is greatly improved
Control system module: automatic control system is mainly by controller, controlled device, executing agency and transmitter four Link composition.
Intelligent Machining: Intelligent Machining is to carry out modeling and simulating to product based on numerical DC speed technology, is added to what is be likely to occur Work situation and effect predicted, carries out real-time inspection and control to process by advanced instrument and equipment when processing, and comprehensive It closes and considers theoretical knowledge and human experience, simulate the analysis for manufacturing expert, judgement, reasoning, design using computer technology and determine The intelligency activities such as plan, preferably machined parameters adjust oneself state, to improve the adaptability of production system, obtain optimal add Work performance and optimal processing matter effect.
Intelligent Machining is a kind of knowledge based processing, the high-new processing side of integrated application intelligent optimization and intelligent numerical control processing Formula, basic object seek to apply intelligence machine Automatic Detection and Control in process, imitate human expert and handle product The mode of thinking of processing goes decision, with this solve the problems, such as it is some it is probabilistic, traditional in require manual intervention, while to adding Work information is collected, stores, is perfect, is shared, inheriting and development, expands, extends, even replaces people in process Mental activity.
Although disclosing the embodiment of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be managed Solution: do not departing from the present invention and spirit and scope of the appended claims in, various substitutions, changes and modifications be all it is possible, Therefore, the scope of the present invention is not limited to the embodiment and attached drawing disclosure of that.

Claims (4)

1. a kind of simulation production line training platform, it is characterised in that: procedure of processing are as follows:
(1) initialized location prepares to open processing;
(2) raw material are released manually, and raw material sort detection unit by the No.1 that conveyer belt reaches Material Sorting area;
(3) No.1 sorting detection unit distinguishes black material and white material, carries out different manufacturing procedures by RFID identification material;
(4) sorting unit signal sends signal, and No.1 robot grabs material, and classification is moved:
(5) it is processed respectively according to setting program:
White material process: No.1 robot carries white material across off-sorting station, is put into No. two sorting detection units and then waits to be assembled Signal grabs white material to No. two robots;
Black material process: No.1 robot, which send black material, to be changed part point to lathe and is prepared, and waits lathe to be ready to complete, No.1 machine People requests lathe chuck to unclamp, and No.1 robot carries the black material completed the process and moves to shots preparation, and lathe opening quotation clamps black Material, No.1 robot exit lathe, and lathe starts after the completion of turning;When processing, No.1 robot changes part point in lathe and waits, etc. It is completed to lathe process, lathe opening quotation is unclamped, and No.1 robot takes workpiece away;
No.1 robot puts the black material for completing lathe process to planer-type milling machine, and No.1 robot sends information requirements planer-type milling machine Chuck clamps black material, puts to No.1 robot after the completion and retracts Material Sorting area, waits sorting unit signal;Planer-type milling machine carries out No. two robot pickups are requested in processing after processing is completed, and No. two robots are moved to the pickup point of planer-type milling machine, send request card Disk unclamps;
(6) the black material for completing processing is assembled with white material,
No. two robot pickups are transferred to assembly section, in addition No. two robots grab the white material of a No. two sorting detection units, It send to assembly section, assembled condition meets, assembled;
(7) classification storage, the workpiece that assembly is completed in No. three robot crawls are sent into assembly detection unit, and according to testing result, Workpiece for completing assembly carries out feed bin assembly judgement, and the workpiece for completing assembly is respectively fed to feed bin memory block.
2. simulation production line training platform according to claim 1, it is characterised in that: step (5) lathe process is complete At the workpiece of completion is put on conveyer belt by No.1 robot is transmitted to intelligent measurement region, and clamping robot passes through control system It unites workpiece on automatic identification conveyer belt, workpiece is picked up and is placed on size measurement instruments measures, RFID identification simultaneously records workpiece Information.
3. simulation production line training platform according to claim 1, it is characterised in that: including base, No.1 sorting detection Unit, No.1 robot, conveyer belt, No. two sorting detection units, No. two robots, assembly unit, No. three robots, assembly inspection Survey unit and feed bin storage unit, the forward and backward conveyer belt for being arranged at intervals with two horizontal cross in base upper end, this two transmissions Base upper center lateral separation sequence between band is equipped with No.1 sorting detection unit, No.1 manipulator, No. two sorting inspections Survey unit, No. two robots, assembly unit, No. three robots, assembly detection unit and feed bin storage unit;
Lathe is installed, in the working range of No.1 robot and No. two robots on the outside of the base of No.1 robot work region Intersection position is provided with planer-type milling machine.
4. simulation production line training platform according to claim 3, it is characterised in that: the biography No. two robot other sides It send band outside that clamping robot and size measurement instruments are installed, for identification the workpiece on conveyer belt, measures workpiece size.
CN201811632826.4A 2018-12-29 2018-12-29 Simulation production line training platform Active CN109712509B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111240283A (en) * 2020-01-14 2020-06-05 天津大学 Construction method of adaptable planning design simulation platform for intelligent manufacturing system
CN112596413A (en) * 2020-12-14 2021-04-02 昆船智能技术股份有限公司 Simulation test system and method for control program of cigarette sorting system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0706838A1 (en) * 1994-10-12 1996-04-17 PELLENC (Société Anonyme) Machine and method for sorting varied objects using at least one robotic arm
DE29606946U1 (en) * 1996-04-17 1996-08-14 Festo Kg Training device
CN103632244A (en) * 2013-04-27 2014-03-12 张家港诺信自动化设备有限公司 Industrial flexible manufacturing automated logistics system
CN104992610A (en) * 2015-07-20 2015-10-21 江苏汇博机器人技术有限公司 Intelligent visual industrial robot sorting and boxing occupation competition system and method
CN105388860A (en) * 2015-09-11 2016-03-09 西安交通大学 Robot-contained multi-unit intelligent manufacturing system based on smart-RFID tags
DE102017107357A1 (en) * 2016-10-21 2018-04-26 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Absortierunterstützungsverfahren, Absortiersystem and flatbed machine tool
CN108039113A (en) * 2018-01-23 2018-05-15 北京华航唯实机器人科技股份有限公司 A kind of intelligent manufacturing cell design of system integration teaching equipment
KR20180056946A (en) * 2016-11-21 2018-05-30 한국콘베어공업주식회사 Article sorting system using picking robot

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0706838A1 (en) * 1994-10-12 1996-04-17 PELLENC (Société Anonyme) Machine and method for sorting varied objects using at least one robotic arm
DE29606946U1 (en) * 1996-04-17 1996-08-14 Festo Kg Training device
CN103632244A (en) * 2013-04-27 2014-03-12 张家港诺信自动化设备有限公司 Industrial flexible manufacturing automated logistics system
CN104992610A (en) * 2015-07-20 2015-10-21 江苏汇博机器人技术有限公司 Intelligent visual industrial robot sorting and boxing occupation competition system and method
CN105388860A (en) * 2015-09-11 2016-03-09 西安交通大学 Robot-contained multi-unit intelligent manufacturing system based on smart-RFID tags
DE102017107357A1 (en) * 2016-10-21 2018-04-26 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Absortierunterstützungsverfahren, Absortiersystem and flatbed machine tool
KR20180056946A (en) * 2016-11-21 2018-05-30 한국콘베어공업주식회사 Article sorting system using picking robot
CN108039113A (en) * 2018-01-23 2018-05-15 北京华航唯实机器人科技股份有限公司 A kind of intelligent manufacturing cell design of system integration teaching equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111240283A (en) * 2020-01-14 2020-06-05 天津大学 Construction method of adaptable planning design simulation platform for intelligent manufacturing system
CN112596413A (en) * 2020-12-14 2021-04-02 昆船智能技术股份有限公司 Simulation test system and method for control program of cigarette sorting system
CN112596413B (en) * 2020-12-14 2022-11-29 昆船智能技术股份有限公司 Simulation test system and method for control program of cigarette sorting system

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