CN106527334A - Device and method for controlling variable-speed rolling in seamless tube production - Google Patents
Device and method for controlling variable-speed rolling in seamless tube production Download PDFInfo
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- CN106527334A CN106527334A CN201611093854.4A CN201611093854A CN106527334A CN 106527334 A CN106527334 A CN 106527334A CN 201611093854 A CN201611093854 A CN 201611093854A CN 106527334 A CN106527334 A CN 106527334A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The invention discloses a device and method for controlling variable-speed rolling in seamless tube production. The variable-speed rolling control device includes a central control unit, a direct current speed regulation device, a rolling main motor and a data detection device, wherein the central control unit is connected with the direct current speed regulation device through a Profibus-DP bus, and is used for sending a control instruction to the direct current speed regulation device; the direct current speed regulation device is connected with the rolling main motor, and is used for controlling the operation of the rolling main motor according to the control instruction; the data detection device is connected with the central control unit, and is used for detecting the length of an unmachined part on a pipe fitting to be machined which is driven by the rolling main motor and sending length data to the central control unit; and the central control unit is also used for adjusting the control instruction sent to the direct current speed regulation device according to the length data. The device for controlling variable-speed rolling in seamless tube production can improve the quality of a finished pipe fitting.
Description
Technical field
The present invention relates to pipe fitting processing technique field, the variable speed rolling control dress in more particularly to a kind of seamless pipe production
Put and method.
Background technology
At present, some difficult deformable metal such as niobiums etc., carry out process operation on old-fashioned (graceful formula) perforating machine, roll mill
During, needing technical staff's moment parameter, and in the different process segments, the corresponding parameter of appropriate adjustment is guaranteeing processing
Be normally carried out.But due to the hysteresis quality that manual operation is caused, the penetrance for processing pipe fitting can be caused very poor, end product quality
It is low, and the aperture time is long, efficiency is low.
The content of the invention
It is an object of the invention to provide the variable speed rolling control device in a kind of seamless pipe production, can improve finished product pipe fitting
Quality.
For achieving the above object, the invention provides following scheme：
A kind of variable speed rolling control device in seamless pipe production, the variable speed rolling control device include that central authorities' control is single
Unit, direct current speeder, rolling mair motor, data detection device, wherein,
The central control unit is connected with the direct current speeder by Profibus-DP buses, for described
Direct current speeder sends control instruction；
The direct current speeder is connected with the rolling mair motor, for controlling the rolling according to the control instruction
The operation of mair motor；
The data detection device is connected with the central control unit, for detecting treating for the rolling mair motor drive
The length of undressed part on processing pipe fitting, and length data is sent to the central control unit；Central authorities' control is single
Unit is additionally operable to adjust to the direct current speeder control instruction for sending according to the length data.
Optionally, the variable speed rolling control device also includes：
Supervising device, the supervising device are connected with the direct current speeder by Profibus-DP buses, described straight
Stream arrangements for speed regulation obtain the current operational factor of the rolling mair motor and send to the supervising device.
Optionally, the variable speed rolling control device also includes：
Hydraulic Station, the Hydraulic Station are connected with the central control unit by Profibus-DP buses, central authorities' control
Unit processed controls the start and stop of each hydraulic cylinder in the Hydraulic Station；
Multiple proximity switches, are corresponded to each hydraulic cylinder and are arranged, and be connected with the central control unit, for obtaining each
The start-stop signal of hydraulic cylinder is simultaneously sent to the central control unit.
Optionally, the variable speed rolling control device also includes：
Lubrication station, the lubrication station are connected with the central control unit by Profibus-DP buses, central authorities' control
Unit processed controls the start and stop of each lubricating utensil in the lubrication station；
Alarm device, each lubricating utensil of correspondence are arranged, and are connected with the central control unit, for corresponding
Alarm signal is produced during lubricating utensil non-normal working and is sent to the central control unit；
Lubrication detecting device, each lubricating utensil of correspondence are arranged, and are connected with the central control unit, for detecting
The start-stop signal of correspondence lubricating utensil is simultaneously sent to the central control unit.
Optionally, the variable speed rolling control device also includes：
Mode switch button, is connected with the central control unit, for controlling the Working mould of the central control unit
Formula is semi-automatic or automatic；
Start and stop switching push button, is connected with the central control unit, for controlling the work shape of the central control unit
State is for startup or stops.
Optionally, the variable speed rolling control device also includes：
Industrial computer, the industrial computer are connected with the central control unit by Profibus buses.
According to the specific embodiment that the present invention is provided, the invention discloses following technique effect：
Variable speed rolling control device in seamless pipe production of the present invention is by arranging central control unit, direct current speeder
And rolling mair motor so that operation of the central control unit by direct current speeder controlled rolling mair motor, and according to data
The length adjustment of the undressed part that detection means is detected rolls the running status of mair motor so that rolling mair motor drives to be treated
Processing pipe fitting accurately carries out the processed of different phase, to improve the quality of finished product pipe fitting.
It is an object of the invention to provide the variable speed rolling control method in a kind of seamless pipe production, can improve finished product pipe fitting
Quality.
For achieving the above object, the invention provides following scheme：
Variable speed rolling control method in a kind of seamless pipe production, using the variable speed rolling control in the production of above-mentioned seamless pipe
Device, wherein, the variable speed rolling control method includes：
The first control instruction is sent to direct current speeder, is run with the first setting speed with controlled rolling mair motor, is made
The rolling mair motor drives pipe fitting to be processed to carry out low speed to sting steel；
Stinging, steel is completed and time delay is to after setting time, sends the second control instruction to the direct current speeder, to carry
The rotating speed of the high rolling mair motor so that the rolling mair motor drives the pipe fitting to be processed to be become according to rolling parameter
Speed rolling；
Judge whether the length of undressed part on pipe fitting to be processed that detection means is detected reaches given threshold；
If reached, the 3rd control instruction is sent to the direct current speeder, to reduce the rolling mair motor
Rotating speed so that the rolling mair motor drives the pipe fitting to be processed to carry out low speed with the second setting speed and throws steel；Otherwise continue
Variable speed rolling.
Optionally, the variable speed rolling control method also includes：
After the completion of steel is thrown, whether detection finished product pipe fitting reaches pre-provisioning request, and the finished product pipe fitting is exported if reaching,
The rolling parameter is corrected otherwise.
According to the specific embodiment that the present invention is provided, the invention discloses following technique effect：
Variable speed rolling control method in seamless pipe production of the present invention is by direct current speeder controlled rolling mair motor
Operation, and the length adjustment of the undressed part detected according to data detection device rolls the running status of mair motor so that
Rolling mair motor drives pipe fitting to be processed accurately to carry out the processed of different phase, to improve the quality of finished product pipe fitting.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only some enforcements of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the modular structure schematic diagram of the variable speed rolling control device in seamless pipe production of the present invention；
Fig. 2 is the flow chart of the variable speed rolling control method in seamless pipe production of the present invention；
Fig. 3 is the flow chart of the specific embodiment of the variable speed rolling control method in seamless pipe production of the present invention.
Symbol description：
Central control unit 1, direct current speeder 2 roll mair motor 3, data detection device 4, monitoring dress
Put 5, Hydraulic Station 6, lubrication station 7, industrial computer 8.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide the variable speed rolling control device in a kind of seamless pipe production, by arranging central authorities' control
Unit, direct current speeder and rolling mair motor so that central control unit passes through direct current speeder controlled rolling mair motor
Operation, and the undressed part detected according to data detection device length adjustment roll mair motor running status, make
Mair motor must be rolled drives pipe fitting to be processed accurately to carry out the processed of different phase, to improve the quality of finished product pipe fitting.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, it is below in conjunction with the accompanying drawings and concrete real
The present invention is further detailed explanation to apply mode.
As shown in figure 1, the variable speed rolling control device in seamless pipe production of the present invention, it is characterised in that the speed change is rolled
Control device processed include central control unit (Programmable Logic Controller, PLC) 1, direct current speeder 2,
Rolling mair motor 3, data detection device 4.
Wherein, the PLC 1 is connected with the direct current speeder 2 by Profibus-DP buses, for described straight
Stream arrangements for speed regulation 2 send control instruction；The direct current speeder 2 is connected with the rolling mair motor 3, for according to the control
The operation of the system instruction control rolling mair motor 3；The data detection device 4 is connected with the PLC 1, described for detecting
The length of undressed part on the pipe fitting to be processed that rolling mair motor 3 drives, and length data is sent to the PLC 1；Institute
State PLC 1 and be additionally operable to adjust to the direct current speeder control instruction for sending according to the length data.
Wherein, using the double loop speed-regulating system with increment type pi regulator, the rolling mair motor 3 ensures that motor turns
The control accuracy of speed.
Further, the variable speed rolling control device in seamless pipe production of the present invention also includes supervising device 5, the monitoring
Device 5 is connected with the direct current speeder 2 by Profibus-DP buses, and the direct current speeder 2 obtains the rolling
The current operational factor of mair motor 3 is simultaneously sent to the supervising device 5.Wherein, the operational factor includes speed, electric current, electricity
In pressure at least one.In the present embodiment, the direct current speeder 2 is 6RA70.
Optionally, the variable speed rolling control device in seamless pipe production of the present invention also includes that Hydraulic Station 6 and multiple being close to are opened
Close (not shown).Wherein, the Hydraulic Station 6 is connected with the PLC 1 by Profibus-DP buses, and the PLC 1 is controlled
Make the start and stop of each hydraulic cylinder in the Hydraulic Station；Multiple proximity switches, correspond to each hydraulic cylinder and arrange, and control with the central authorities
Unit connection processed, for obtaining the start-stop signal of each hydraulic cylinder and sending to the PLC1.
Specifically, the control to Hydraulic Station and hydraulic pressure dispersion station, including start and stop and the liquid of each operating point of Hydraulic Station
The action of pressure electromagnetic valve control namely each hydraulic cylinder, the result of the action of hydraulic cylinder can be by the proximity switches mechanically installed
Reflect the operating point and operating board of PLC1.
Optionally, the variable speed rolling control device in seamless pipe production of the present invention also includes lubrication station 7, alarm device and profit
Sliding detection means.Wherein, the lubrication station 7 is connected with the PLC1 by Profibus-DP buses, and the PLC1 controls are described
The start and stop of each lubricating utensil in lubrication station；The corresponding each lubricating utensil of the alarm device is arranged, and is connected with the PLC1
Connect, for alarm signal being produced in corresponding lubricating utensil non-normal working and being sent to the PLC1；The lubrication detection
The each lubricating utensil of device correspondence is arranged, and is connected with the PLC1, for detecting the start-stop letter of correspondence lubricating utensil
Number and send to the PLC1.
Specifically, the lubricating utensil of lubrication station includes lubrication station motor, net cisterna ambiens motor, level bed filter.It is each to lubricate
The alarm signal of equipment can feed back to the operating point and operating board of PLC1 by digital quantity input point through Profibus-DP.
Further, rolling data storehouse can be called to select mode of operation according to supplied materials and production specification.Specifically, the present invention
Variable speed rolling control device in seamless pipe production also includes mode switch button and start and stop switching push button.Wherein, the pattern
Switching push button is connected with the PLC1, and the mode of operation for controlling the PLC1 is semi-automatic or automatic；The start and stop are cut
Change button to be connected with the PLC1, for controlling the working condition of the PLC1 to start or stopping, to ensure production safety.
Preferred version, the variable speed rolling control device in seamless pipe production of the present invention also include industrial computer 8, the industrial computer
8 are connected with the PLC1 by Profibus buses, to continue to twist Detection ＆ Controling to electromechanical equipment during production etc..
Additionally, it is another object of the present invention to seamless pipe production in variable speed rolling control method, by DC speed regulation fill
The operation of controlled rolling mair motor is put, and the length adjustment of the undressed part detected according to data detection device rolls main electricity
The running status of machine so that rolling mair motor drives pipe fitting to be processed accurately to carry out the processed of different phase, to improve into
The quality of QC part.
As shown in Fig. 2 the variable speed rolling control method in seamless pipe production of the present invention is using in above-mentioned seamless pipe production
Variable speed rolling control device.Specifically, the variable speed rolling control method in seamless pipe production of the present invention includes：
Step 100：The first control instruction is sent to direct current speeder, with controlled rolling mair motor with the first setting speed
Operation so that the rolling mair motor drives pipe fitting to be processed to carry out low speed and stings steel.
Step 200：Stinging, steel is completed and time delay is to after setting time, is sent the second control to the direct current speeder and is referred to
Order, to improve the rotating speed of the rolling mair motor so that the rolling mair motor drives the pipe fitting to be processed according to rolling ginseng
Number carries out variable speed rolling.
Step 300：Judge whether the length of undressed part on pipe fitting to be processed that detection means is detected reaches setting
Threshold value.In the present embodiment, the given threshold is 500mm.
Step 400：If reached, the 3rd control instruction is sent to the direct current speeder, to reduce the rolling
The rotating speed of mair motor so that the rolling mair motor drives the pipe fitting to be processed to carry out low speed with the second setting speed and throws steel；
Otherwise execution step 200 continues variable speed rolling.
Preferred version, the variable speed rolling control method in seamless pipe production of the present invention also include：
After the completion of steel is thrown, whether detection finished product pipe fitting reaches pre-provisioning request, and the finished product pipe fitting is exported if reaching,
The rolling parameter is corrected otherwise.
It is introduced with a specific embodiment below：
As shown in figure 3, switching on power first presses start button；Start Hydraulic Station, lubrication station；Selection mode of operation (
In the present embodiment, the mode of operation at this is semiautomatic-mode), while arranging supplied materials size, production specification；Then from data base
In transfer rolling parameter, provide reference frame for mill operation；After the machine of feeding starts, central control unit is filled to DC speed regulation
Put the first control instruction of transmission so that the rolling mair motor drives pipe fitting to be processed to carry out low speed and stings steel；After the completion of steel is stung,
The time delay t seconds (can be arranged in central control unit) as needed in advance；Central control unit sends the to direct current speeder
Two control instructions so that the rolling mair motor drives the pipe fitting to be processed to carry out variable speed rolling according to rolling parameter；Judge
On the pipe fitting to be processed that detection means is detected, whether the length of undressed part reaches 500mm, if it is, central authorities' control is single
Unit sends the 3rd control instruction to direct current speeder so that the rolling mair motor drives the pipe fitting to be processed to carry out low speed
Steel is thrown, otherwise continues variable speed rolling；After the completion of steel is thrown, whether detection finished product pipe fitting reaches pre-provisioning request, if it is, automatically
Output finished product pipe fitting, otherwise corrects rolling parameter, repeat the above steps.
Mair motor is rolled in the present invention when rolling is started with low cruise, after the time delay regular hour, substep raises speed, it
Substep reduction of speed afterwards, detects the rolldown speed decline that is near completion before rolling terminates, carries out low speed and dish out, and so controlling can be with
The quality for improving pipe fitting can improve rolling rate again.
Additionally, high-speed rolling can shorten the aperture time so that the thermic load of top is reduced, top durability is improved, is kept away
Exempt from temporarily to cause impact production as aperture time length causes head lifetime to shorten.
In this specification, each embodiment is described by the way of progressive, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept；Simultaneously for one of ordinary skill in the art, foundation
The thought of the present invention, will change in specific embodiments and applications.In sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (8)
1. the variable speed rolling control device during a kind of seamless pipe is produced, it is characterised in that the variable speed rolling control device includes
Central control unit, direct current speeder, rolling mair motor, data detection device, wherein,
The central control unit is connected with the direct current speeder by Profibus-DP buses, for the direct current
Arrangements for speed regulation send control instruction；
The direct current speeder is connected with the rolling mair motor, for according to the main electricity of the control instruction control rolling
The operation of machine；
The data detection device is connected with the central control unit, for detecting that it is to be processed that the rolling mair motor drives
The length of undressed part on pipe fitting, and length data is sent to the central control unit；The central control unit is also
For adjusting to the direct current speeder control instruction for sending according to the length data.
2. the variable speed rolling control device during seamless pipe according to claim 1 is produced, it is characterised in that the speed change is rolled
Control device processed also includes：
Supervising device, the supervising device are connected with the direct current speeder by Profibus-DP buses, and the direct current is adjusted
Speed variator obtains the current operational factor of the rolling mair motor and sends to the supervising device.
3. the variable speed rolling control device during seamless pipe according to claim 1 is produced, it is characterised in that the speed change is rolled
Control device processed also includes：
Hydraulic Station, the Hydraulic Station are connected with the central control unit by Profibus-DP buses, and central authorities' control is single
The start and stop of each hydraulic cylinder in unit's control Hydraulic Station；
Multiple proximity switches, are corresponded to each hydraulic cylinder and are arranged, and be connected with the central control unit, for obtaining each hydraulic pressure
The start-stop signal of cylinder is simultaneously sent to the central control unit.
4. the variable speed rolling control device during seamless pipe according to claim 1 is produced, it is characterised in that the speed change is rolled
Control device processed also includes：
Lubrication station, the lubrication station are connected with the central control unit by Profibus-DP buses, and central authorities' control is single
The start and stop of each lubricating utensil in unit's control lubrication station；
Alarm device, each lubricating utensil of correspondence are arranged, and are connected with the central control unit, in corresponding lubrication
Alarm signal is produced during equipment non-normal working and is sent to the central control unit；
Lubrication detecting device, each lubricating utensil of correspondence are arranged, and are connected with the central control unit, for detecting correspondence
The start-stop signal of lubricating utensil is simultaneously sent to the central control unit.
5. the variable speed rolling control device during the seamless pipe according to any one of claim 1-4 is produced, it is characterised in that
The variable speed rolling control device also includes：
Mode switch button, is connected with the central control unit, and the mode of operation for controlling the central control unit is
It is semi-automatic or automatic；
Start and stop switching push button, is connected with the central control unit, and the working condition for controlling the central control unit is
Start or stop.
6. the variable speed rolling control device during the seamless pipe according to any one of claim 1-4 is produced, it is characterised in that
The variable speed rolling control device also includes：
Industrial computer, the industrial computer are connected with the central control unit by Profibus buses.
7. the variable speed rolling control method during a kind of seamless pipe is produced, it is characterised in that using according to arbitrary in claim 1-6
The variable speed rolling control device in seamless pipe production described in, wherein, the variable speed rolling control method includes：
The first control instruction is sent to direct current speeder, is run with the first setting speed with controlled rolling mair motor so that institute
State rolling mair motor and drive pipe fitting to be processed to carry out low speed and sting steel；
Stinging, steel is completed and time delay is to after setting time, sends the second control instruction to the direct current speeder, to improve
State the rotating speed of rolling mair motor so that the rolling mair motor drives the pipe fitting to be processed speed change to be carried out according to rolling parameter to roll
System；
Judge whether the length of undressed part on pipe fitting to be processed that detection means is detected reaches given threshold；
If reached, the 3rd control instruction is sent to the direct current speeder, to reduce the rotating speed of the rolling mair motor,
So that the rolling mair motor drives the pipe fitting to be processed to carry out low speed with the second setting speed throws steel；Otherwise continue speed change to roll
System.
8. the variable speed rolling control method during seamless pipe according to claim 7 is produced, it is characterised in that the speed change is rolled
Control method processed also includes：
After the completion of steel is thrown, whether detection finished product pipe fitting reaches pre-provisioning request, exports the finished product pipe fitting, otherwise if reaching
Correct the rolling parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093854.4A CN106527334B (en) | 2016-12-02 | 2016-12-02 | Variable speed rolling control device and method in seamless tube production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093854.4A CN106527334B (en) | 2016-12-02 | 2016-12-02 | Variable speed rolling control device and method in seamless tube production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106527334A true CN106527334A (en) | 2017-03-22 |
| CN106527334B CN106527334B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611093854.4A Active CN106527334B (en) | 2016-12-02 | 2016-12-02 | Variable speed rolling control device and method in seamless tube production |
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| CN106527334B (en) | 2023-08-29 |
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