CN106424916A - Automatic control system and automatic control method for flying saw machine - Google Patents
Automatic control system and automatic control method for flying saw machine Download PDFInfo
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- CN106424916A CN106424916A CN201611123331.XA CN201611123331A CN106424916A CN 106424916 A CN106424916 A CN 106424916A CN 201611123331 A CN201611123331 A CN 201611123331A CN 106424916 A CN106424916 A CN 106424916A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D36/00—Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock which the latter is travelling otherwise than in the direction of the cut
- B23D36/0008—Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock which the latter is travelling otherwise than in the direction of the cut for machines with only one cutting, sawing, or shearing devices
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Abstract
The invention discloses an automatic control system and an automatic control method for flying saw machine. The automatic control system comprises a detection unit, a servo control unit, a communication extension unit, a central processing unit and an upper computer, wherein the detection unit is used for detecting the conveying speed and the conveying length of a steel tube to be cut in real time; the steel tube to be cut is used for controlling a saw blade transmission mechanism of the flying saw machine to walk in a uniform-acceleration rectilinear motion; the communication extension unit is used for interacting with other peripheral automatic control equipment for the flying saw machine; the communication extension unit comprises a data interface module and a data adaptation module; the central processing unit is used for controlling a steel tube clamping mechanism of the flying saw machine to clamp the steel tube to be cut and controlling a saw-falling and sawing mechanism of the flying saw machine to cut the clamped steel tube to be cut when the detection unit detects that the conveying length of the steel tube to be cut reaches a set cutting length; the upper computer is used as a remote data control center. The automatic control system and the automatic control method for the flying saw machine have the advantages of safe, simple and convenient operation, high production efficiency, long service life of a saw blade, low running cost, low equipment failure rate, convenient maintenance and the like.
Description
Technical field
The present invention relates to automatic control technology, particularly relate to a kind of Automated condtrol system of automatic steel tube cutting machine
System and method.
Background technology
Need when flying saw carries out steel pipe cutting processing to meet following basic technology requirements：
(1) carry out in sawing process at it, the tubing that the saw blade of flying saw must and move is synchronous, to ensure in sawing
Cheng Zhong, saw blade should rotate around mandrel (applying sawing force and Cutting power), (ensures so that same speed is mobile with tubing again
The cut surface of tubing is straight)；
(2) flying saw is required to the different cut lengths of sawing；
(3) and flying saw will ensure that the otch of sawing is straight, that is, in whole sawing process, saw blade all should and steel pipe axis
Vertically, and if saw cutting head part is not not curved flat.
Reach process above to require, just the sawing process of flying saw need to be control effectively, but at present, China 80%
, still using traditional flying saw, because of a variety of deficiency of flying saw performance, such as scale is by mistake for above ratio-frequency welded tube, clod wash unit
Difference big (typically in ± more than 10mm), the power consumption of welded tube speed is big, the reason such as mechanical life is short, causes in human and material resources, financial resources
Waste it is therefore desirable to a kind of novel flying saw electric-control system that can overcome above-mentioned deficiency of design compensate for the deficiency of flying saw.
Content of the invention
In view of the defect that prior art exists, the invention aims to providing a kind of flying saw automatic control system, should
System is applied to and flying saw is carried out with steel pipe cutting processing process carries out steel pipe automatically controlling.
To achieve these goals, technical scheme：
A kind of flying saw automatic control system, its flying saw is connected it is characterised in that including：
The transporting velocity of real-time detection steel pipe to be cut and the detector unit of delivered length；
Control the servo control unit that the saw blade drive mechanism of flying saw is walked with uniformly accelrated rectilinear motion；
For the communication expanding element interacting with other flying saw automatic controlling devices peripheral；Described communication expanding element bag
Include data interface module and data adaptation module；Described data adaptation module is used for realizing host computer and CPU simultaneously
Between up-downgoing data communication process be that it can store the upstream data that CPU uploaded will be described automatically
Upstream data is uploaded to host computer after being changed；Simultaneously in the downlink data that host computer issues, downlink data is converted to
It is issued to CPU after the data form that its corresponding CPU matches；
When delivered length for steel pipe to be cut is detected in detector unit reaches set Cutting Length, control and fly
The steel tube clamping mechanism of saw clamp steel pipe to be cut and control simultaneously flying saw to fall to sawing saw cutting mechanism to be cut to clamp
The CPU that steel pipe is cut；
And the host computer as teledata control centre.
Further, as the preferred version of the present invention
Described detector unit includes：Measuring roller and be arranged on the encoder on described measuring roller；This detector unit is passed through
Corresponding delivered length under the transporting velocity of encoder and measuring roller detection steel pipe to be cut and this speed.
Further, as the preferred version of the present invention
Described data interface module include at least have RS232 serial ports, RS485 serial ports, RS422 serial ports, Wifi network interface,
Profibus EBI, CAN interface and profinet interface.
Further, as the preferred version of the present invention
Described host computer carries out storing simultaneously can demarcate corresponding data source address code when receiving upstream data after
Create the data base corresponding with described data source address code；Simultaneously in the downlink data issuing, from this downlink data
Parse its corresponding data source address code, to obtain corresponding destination address, and according to the destination address parsing to phase
The CPU transmission data answered.
It is another object of the present invention to a kind of flying saw autocontrol method will be provided it is characterised in that including following walking
Suddenly：
Step 1, the transporting velocity by detector unit real-time detection steel pipe to be cut and delivered length；
Step 2, by servo control unit control flying saw saw blade drive mechanism every trade is entered with uniformly accelrated rectilinear motion
Walk；
Step 3, delivered length arrival steel pipe to be cut is detected in detector unit by CPU are set
Cutting Length when, control flying saw steel tube clamping mechanism clamp steel pipe to be cut and simultaneously control flying saw the sawing that falls
Mechanism cuts to the steel pipe to be cut of clamping；Teledata control process are carried out by host computer simultaneously；Described host computer
Stored corresponding data source address code can be demarcated when receiving upstream data after and created and described data source ground
The corresponding data base of location code；Simultaneously in the downlink data issuing, parse its corresponding data from this downlink data
Source address code, to obtain corresponding destination address, and passes to corresponding CPU according to the destination address parsing
Delivery data.
Further, as the preferred version of the present invention
Methods described also includes interacting with other flying saw automatic controlling devices peripheral by communicating expanding element, with
Build local flying saw and automatically control communication network；Described communication expanding element includes data interface module and data adaptation mould
Block；Described data adaptation module for the up-downgoing data communication process realized between host computer and CPU is simultaneously
It can automatically store the upstream data that CPU uploaded and be uploaded to after being changed described upstream data
Position machine；Simultaneously in the downlink data that host computer issues, downlink data is converted to its corresponding CPU phase
It is issued to CPU after the data form joined；
Further, as the preferred version of the present invention
Described detector unit includes：Measuring roller and be arranged on the encoder on described measuring roller；This detector unit is passed through
Corresponding delivered length under the transporting velocity of encoder and measuring roller detection steel pipe to be cut and this speed.
Further, as the preferred version of the present invention
Described data interface module includes at least has RS232 serial ports, RS485 serial ports, RS422 serial ports, Wi fi network to connect
Mouth, Profibus EBI, CAN interface and profinet interface.
Compared with prior art, beneficial effects of the present invention：
The present invention makes saw blade drive mechanism be walked with uniformly accelrated rectilinear motion by servo control unit, to prevent
Car spot speed is excessive causes the problems such as machine breakdown and false alarm for saw；And fall to sawing sawing machine by central processing unit controls
Structure saw car top cutter is treated pipe cutting and is cut, and has that kerf quality is good, and equipment failure rate is low, the advantages of easy to maintenance；
The present invention automatically controls, by communicating the expanding element local flying saw of structure, the communication that communication network completes local data simultaneously
Interaction；And complete the data monitoring process of multiple flying saw automatic control systems by host computer simultaneously.
Brief description
Fig. 1 is flying saw automatic control system circuit diagram of the present invention；
Fig. 2 is the method for the invention flow chart of steps.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing, the present invention is entered
Row further describes.
The correlation technique of existing flying saw：How existing flying saw is made up of trapped orbit and moving cart.It moves
Equipped with saw blade drive mechanism on dolly, fall to sawing the elements such as saw cutting mechanism and steel tube clamping mechanism, complete steel pipe to cooperate and cut
Cut operation.And when flying saw carries out flying saw technique, the cycle of operation of saw car should be in strict accordance with certain sequential action, such as
Fruit has a link to go wrong, and will lead to the failure of work.Therefore, the precise control of each operation is just particularly important,
To avoid the generation of accident.
Based on the problems referred to above, the present invention devises a kind of new flying saw automatic control system, and it is real by monitoring means
When detect transporting velocity and the steel pipe market length of steel pipe to be cut；And control servomotor to make to saw by servo control unit
Saw car on piece drive mechanism is walked with uniformly accelrated rectilinear motion and (is given, to solve moment, the shadow that excessive speeds value causes
Ring), so that the speed of travel of this saw car and the transporting velocity of steel pipe to be cut is consistent simultaneously, record in measuring roller to be cut
When steel pipe reaches given cut position, steel tube clamping mechanism is controlled to clamp steel pipe to be cut and control to fall to sawing saw cutting mechanism pair simultaneously
The steel pipe to be cut of clamping is cut.
Specifically, as shown in figure 1, a kind of flying saw automatic control system, the saw blade drive mechanism of its flying saw, the saw that falls are sawed
Cut mechanism to be connected it is characterised in that including with elements such as steel tube clamping mechanisms：
(1) it is used for detecting the real-time transporting velocity of steel pipe to be cut and the detector unit of delivered length；Further, as
Detector unit described in the preferred version of the present invention includes：Measuring roller and be arranged on the encoder on described measuring roller；This detection
Unit passes through encoder and measuring roller and detects corresponding delivered length under the transporting velocity of steel pipe to be cut and this speed,
It is easy to CPU and determine how given control command control saw car carries out uniformly accelrated rectilinear motion with which kind of acceleration, with
The speed of travel realizing the saw car of flying saw is consistent with the transporting velocity of steel pipe to be cut.
(2) control the servo control unit that the saw blade drive mechanism of flying saw is walked with uniformly accelrated rectilinear motion；Its
Saw blade drive mechanism is controlled to be retracted into rapidly initial point after the completion of cutting.
(3) it is used for the communication expanding element interacting with other flying saw automatic controlling devices peripheral；Described communication extension is single
Unit includes data interface module and data adaptation module；Further, as data-interface mould described in the preferred version of the present invention
Block includes at least has RS232 serial ports, RS485 serial ports, RS422 serial ports, Wifi network interface, Profibus EBI, CAN total
Line interface and profinet interface.Described data adaptation module is used for realizing between host computer and CPU simultaneously
Up-downgoing data communication process is that it can store the upstream data that CPU uploaded and automatically by described upper line number
It is uploaded to host computer according to after being changed；Simultaneously in the downlink data that host computer issues, downlink data is converted to its institute right
It is issued to CPU after the data form that the CPU answered matches；
(4) it is used for when detector unit detects the Cutting Length set by the delivered length arrival of steel pipe to be cut, control
The steel tube clamping mechanism of flying saw processed clamps steel pipe to be cut the falling to sawing saw cutting mechanism clamping is treated of control flying saw simultaneously
The CPU that pipe cutting is cut；Scale length involved in the present invention detects the brief description of control realization principle：
Steel pipe speed v known to setting0, required length of steel pipe L；Simultaneously assume saw car by initial point with initial velocity 0mm/s with
The acceleration that user sets starts distance and (or referred to as pursues and attacks apart from s0) in even accelerate to steel pipe speed v0；
Due to well-known formula：Relational expression between velocity and acceleration, distanceV=at understands
When saw car range ability reaches s0When, saw vehicle speed v1=v0,
I.e.
2a=v2/s
Obtain a=v0 2/2s0
Therefore pursuing and attacking apart from s0In the range of optional position saw car real-time speed v1With now saw truck position s1Relationship expression
Formula is
v1 2=2as1=v0 2s1/s0
Wherein v0For the steel pipe real-time speed value of encoder detection, s1Treat for servomotor current location value of feedback or referred to as
The current transfer position of pipe cutting, s0Pursue and attack distance for what user set, if s is understood by above-mentioned setting0=400mm, i.e. regulation saw
Car be expert at go to away from initial point 400mm when speed reach speed v of steel pipe0,
Saw car does uniformly accelrated rectilinear motionSteel pipe is linear uniform motion s=v0T, it can therefore be seen that work as
Saw garage goes to s0During=400mm, steel pipe runs to 2s0The position of=800mm, so current steel pipe is detected long when measuring roller
Start to pursue steel pipe it is possible to start saw car when degree 400mm less than required length of steel pipe L.If i.e. steel pipe speed v0, institute
Length of steel pipe L needing is it is known that and s0Pursue and attack distance for what user set, then the system i.e. saw blade of controllable flying saw is automatic
Complete Length-fixing cutting.
Simultaneously because working as s1When=0, the speed of saw carServomotor one therefore can be given
Individual a little bit smaller initial velocity value or by s1Increase a small amount of numerical value thus ensureing that sawing vehicle speed is not 0 can to start, that is,(wherein 3 is personal interpolation numerical value, to guarantee that saw car can have the initial velocity more than 0 in initial point
Start, the error causing due to adding numerical value can make error transfer factor in calculating later.) can from above-mentioned principle
Go out, be fully able to realize the scale long control process of survey using encoder and measuring roller.
(5) host computer and as teledata control centre.Further, as described in the preferred version of the present invention
Host computer is stored can demarcate corresponding data source address code when receiving upstream data after and is created and described number
According to the corresponding data base of source address code；Simultaneously in the downlink data issuing, parse corresponding to it from this downlink data
Data source address code, to obtain corresponding destination address, and according to the destination address parsing to corresponding central authorities process
Unit transmits data.Preferably, described automatic control system is additionally provided with touch control screen, completes phase by this touch control screen
Close cutting control parameter to set.
As shown in Fig. 2 it is another object of the present invention to a kind of flying saw autocontrol method will be provided it is characterised in that
Comprise the steps：
Step 1, the transporting velocity by detector unit real-time detection steel pipe to be cut and delivered length；
Step 2, by servo control unit control flying saw saw blade drive mechanism every trade is entered with uniformly accelrated rectilinear motion
Walk；
Step 3, delivered length arrival steel pipe to be cut is detected in detector unit by CPU are set
Cutting Length when, control flying saw steel tube clamping mechanism clamp steel pipe to be cut and simultaneously control flying saw the sawing that falls
Mechanism cuts to the steel pipe to be cut of clamping；Teledata control process are carried out by host computer simultaneously；Described host computer
Stored corresponding data source address code can be demarcated when receiving upstream data after and created and described data source ground
The corresponding data base of location code；Simultaneously in the downlink data issuing, parse its corresponding data from this downlink data
Source address code, to obtain corresponding destination address, and passes to corresponding CPU according to the destination address parsing
Delivery data.Described CPU controls steel tube clamping mechanism to clamp steel pipe to be cut by hydraulic control mode.
Further, as the preferred version of the present invention
Methods described also includes interacting with other flying saw automatic controlling devices peripheral by communicating expanding element, with
Build local flying saw and automatically control communication network；Described communication expanding element includes data interface module and data adaptation mould
Block；Described data adaptation module for the up-downgoing data communication process realized between host computer and CPU is simultaneously
It can automatically store the upstream data that CPU uploaded and be uploaded to after being changed described upstream data
Position machine；Simultaneously in the downlink data that host computer issues, downlink data is converted to its corresponding CPU phase
It is issued to CPU after the data form joined；
Further, as the preferred version of the present invention
Described detector unit includes：Measuring roller and be arranged on the encoder on described measuring roller；This scale measuring motion
Corresponding delivered length under the transporting velocity of steel pipe to be cut and this speed is detected by encoder and measuring roller.
Further, as the preferred version of the present invention
Described data interface module include at least have RS232 serial ports, RS485 serial ports, RS422 serial ports, Wifi network interface,
Profibus EBI, CAN interface and profinet interface.One key character of described profinet interface is just
It is the TCP/IP data that can simultaneously transmit real time data and standard, transmit in the public passage of TCP/IP data at it, various
The IT technology already verified can use (as http, html, snmp and xml etc.).When using Profinet, we
Can be strengthened to management and the maintenance of whole network it means that debugging and the cost in safeguarding using these IT standards service
Save.The longitudinal direction communication that Profinet achieves from field level to management level is integrated, on the one hand, facilitate management level to obtain field level
Data, on the other hand, originally also extended into field level in management level data safety sex chromosome mosaicism.In order to ensure Plant floor control
The safety of data, Profinet provides distinctive security mechanism, by using special security module, can protect automatization
Control system, makes automatization's communication network security risk minimize.
In sum, the system has speed ring, position ring, electric current loop, and it adopts international state-of-the-art Automated condtrol
Technology, realizes the Automated condtrol to equipment, and Manufacturing science manages.Make simple and safe operation, production efficiency is high.It is synchronous simultaneously
Complete the motor control to servomotor, system adopts the SIMOTION D410 of SIEMENS as CPU, its bag
Include the power model that driver element is S120, and each unit establishes one's own system, independent control, the profile of independent operation controls mould
Formula.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (6)
1. a kind of flying saw automatic control system, it is connected with flying saw it is characterised in that including：
The transporting velocity of real-time detection steel pipe to be cut and the detector unit of delivered length；
Control the servo control unit that the saw blade drive mechanism of flying saw is walked with uniformly accelrated rectilinear motion；
For the communication expanding element interacting with other flying saw automatic controlling devices peripheral；Described communication expanding element includes counting
According to interface module and data adaptation module；Described data adaptation module is used for realizing between host computer and CPU simultaneously
Up-downgoing data communication process be that it can store the upstream data that CPU uploaded will be described up automatically
Data is uploaded to host computer after being changed；Simultaneously in the downlink data that host computer issues, downlink data is converted to its institute
It is issued to CPU after the data form that corresponding CPU matches；
When delivered length for steel pipe to be cut is detected in detector unit reaches set Cutting Length, control flying saw
Steel tube clamping mechanism clamp steel pipe to be cut and simultaneously control flying saw fall to sawing saw cutting mechanism to clamp steel pipe to be cut
The CPU cut；
And the host computer as teledata control centre.
2. flying saw automatic control system according to claim 1 it is characterised in that：
Described detector unit includes：Measuring roller and be arranged on the encoder on described measuring roller；This detector unit passes through coding
Corresponding delivered length under the transporting velocity of device and measuring roller detection steel pipe to be cut and this speed.
3. flying saw automatic control system according to claim 1 it is characterised in that：
Described data interface module include at least have RS232 serial ports, RS485 serial ports, RS422 serial ports, Wifi network interface,
Profibus EBI, CAN interface and profinet interface.
4. flying saw automatic control system according to claim 1 it is characterised in that：
Described host computer is stored can demarcate corresponding data source address code when receiving upstream data after and is created
The data base corresponding with described data source address code；Simultaneously in the downlink data issuing, parse from this downlink data
Its corresponding data source address code, to obtain corresponding destination address, and according to the destination address parsing to corresponding
CPU transmits data.
5. a kind of flying saw autocontrol method is it is characterised in that comprise the steps：
Step 1, the transporting velocity by detector unit real-time detection steel pipe to be cut and delivered length；
Step 2, by servo control unit control flying saw saw blade drive mechanism walked with uniformly accelrated rectilinear motion；
Step 3, set cutting is reached by the delivered length that CPU detects steel pipe to be cut in detector unit
When cutting length, control flying saw steel tube clamping mechanism clamp steel pipe to be cut and simultaneously control flying saw fall to sawing saw cutting mechanism
The steel pipe to be cut of clamping is cut；Teledata control process are carried out by host computer simultaneously；Described host computer can
Stored demarcate corresponding data source address code when receiving upstream data after and created and described data source address generation
The corresponding data base of code-phase；Simultaneously in the downlink data issuing, parse its corresponding data source ground from this downlink data
Location code, to obtain corresponding destination address, and transmits number according to the destination address parsing to corresponding CPU
According to.
6. flying saw autocontrol method according to claim 5 it is characterised in that：
Methods described also includes interacting with other flying saw automatic controlling devices peripheral by communicating expanding element, to build
Local flying saw automatically controls communication network；Described communication expanding element includes data interface module and data adaptation module；With
The up-downgoing data communication process that Shi Suoshu data adaptation module is used for realizing between host computer and CPU is its energy
Reach the upstream data that storage CPU is uploaded automatically and be uploaded to host computer after described upstream data is changed；
Simultaneously in the downlink data that host computer issues, downlink data is converted to the number that its corresponding CPU matches
It is issued to CPU according to after form.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611123331.XA CN106424916A (en) | 2016-12-08 | 2016-12-08 | Automatic control system and automatic control method for flying saw machine |
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|---|---|---|---|
| CN201611123331.XA CN106424916A (en) | 2016-12-08 | 2016-12-08 | Automatic control system and automatic control method for flying saw machine |
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| CN108907323A (en) * | 2018-08-07 | 2018-11-30 | 苏州惠斯福自动化科技有限公司 | A kind of pipe fitting cutting method |
| CN109445376A (en) * | 2018-11-07 | 2019-03-08 | 中国科学院合肥物质科学研究院 | A kind of control system of aluminum section saw cutting machine |
| CN115007942A (en) * | 2022-05-17 | 2022-09-06 | 西门子（中国）有限公司 | Method and device for controlling flying saw equipment |
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| CN109445376A (en) * | 2018-11-07 | 2019-03-08 | 中国科学院合肥物质科学研究院 | A kind of control system of aluminum section saw cutting machine |
| CN115007942A (en) * | 2022-05-17 | 2022-09-06 | 西门子（中国）有限公司 | Method and device for controlling flying saw equipment |
| CN115007942B (en) * | 2022-05-17 | 2024-05-03 | 西门子（中国）有限公司 | Method and device for controlling flying saw equipment |
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Application publication date: 20170222 |
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