CN205167651U - Steel pipe intelligence hole enlargement control system - Google Patents
Steel pipe intelligence hole enlargement control system Download PDFInfo
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- CN205167651U CN205167651U CN201520993418.7U CN201520993418U CN205167651U CN 205167651 U CN205167651 U CN 205167651U CN 201520993418 U CN201520993418 U CN 201520993418U CN 205167651 U CN205167651 U CN 205167651U
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- control system
- steel pipe
- expanding
- detection device
- laser displacement
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Abstract
The utility model discloses a steel pipe intelligence hole enlargement control system, this system includes PC system, PLC control system, output device, cylinder stroke detection device, pressure control detection device and laser displacement detection device, PLC control system and output device respectively with the PC headtotail, cylinder stroke detection device, pressure control detection device and laser displacement detection device are connected with PLC control system respectively, the utility model discloses strong adaptability, degree of automation is high, but does not need the artifical automated inspection of interference, calculation, analysis and operation, can guarantee that production quality stops the production of waste product, realizes the intelligent operational check of steel pipe end hole enlargement equipment completely by automatic diagnosis failure.
Description
Technical field
The utility model relates to a kind of control system of expanding equipment, is specifically related to the expanding control system of a kind of steel pipe intelligence.
Background technology
" West-east Gas two wires engineering formally starts and the startup of the Oil Transportation Pipeline Engineering such as Sino-Russian, Sino-Kazakhstan, and international and domestic market increases rapidly to the demand of spiral welded pipe, but the requirement of Large Scale Petrochemical Enterprises to pipeline steel tube is at present more and more stricter in China; For ease of docking the welding of steel pipe, to steel tube head circularity and diametric requirements harsher; Steel pipe's production enterprise is limited to technology and cost factor, and the steel pipe directly produced generally cannot meet the demands; So the expanding equipment of steel tube head has been production line indispensability process equipment, the uniformity of steel tube head ovality and diameter thus guarantee is dispatched from the factory.
The expanding equipment of current steel tube head realizes the expanding function in basic termination without any problem; But there is following shortcoming: 1, automaticity is not high, intelligent expanding function can not be realized; The length-measuring appliance be arranged on oil cylinder is the condition as expanding end, and reliability is low, operator or the conventional tape measure girth of warp, and calculate caliber, greatly, efficiency is low for method primitive labor intensity; 2, do not measure original tube diameter, only control final caliber, thus cause enlarging rate to be greater than desired value, serious conditions causes steel duct fine fisssure, causes defect; 3, expanding data record, storage, analysis and utilization cannot be realized.
Utility model content
The purpose of this utility model is for problems of the prior art, provides the expanding control system of steel pipe intelligence of a kind of outer diameter of steel pipes based on laser displacement sensor and enlarging rate detection and control.
The technical solution adopted in the utility model is for achieving the above object:
The expanding control system of a kind of steel pipe intelligence, comprises PC system, PLC control system, output equipment, oil cylinder stroke detection device, Stress control checkout gear and laser displacement inspecting device; Described PLC control system and output equipment are connected with PC system respectively, and described oil cylinder stroke detection device, Stress control checkout gear are connected with PLC control system respectively with laser displacement inspecting device;
Further, described PC system adopts industrial control computer;
Further, described PLC control system adopts Siemens S7-300;
Further, described output equipment comprises printer and network output equipment;
Further, described oil cylinder stroke detection device adopts draw wire encoder;
Further, described Stress control checkout gear comprises proportional pressure valve and pressure sensor;
Further, described laser displacement inspecting device comprises the first laser displacement sensor and the second laser displacement sensor.
The beneficial effects of the utility model are:
1, the oil cylinder stroke in the expanding Hydraulic Equipment of steel tube head is connected with computer PLC control system, PC system and output equipment with pressure measxurement; Form a machinery, hydraulic pressure, electric, the complicated comprehensive intelligent control system of computer, achieve the function such as automatic measurement, calculating automatically, automatic analysis, automatically operation, automatic diagnosis;
2, on the expanding equipment of steel tube head, achieve that steel pipe wire diameter automatic is measured, enlarging rate calculates automatically first, solve the technical barrier of Steel Pipe Enterprise;
3, the utility model, reliability is higher, if measured value departs from comparatively large, the seriously overproof or equipment fault of mark steel pipe, can not obtain qualified steel pipe, stopping alarm, firmly stops to produce useless pipe;
4, the expanding process data produced by computer, such as pressure and position consecutive variations curve, can assess expanding accuracy completely, forms expanding data record, be convenient to memory.Initial caliber weighs the important parameter that steel pipe produced by main frame, and unartificial measurement, and this is very beneficial for product quality and improves;
5, cut payroll to improve efficiency, the minimum needs of the expanding equipment of raw steel pipe end 2 operative employees, can be reduced to 1 people after adopting the present invention, even multiple devices only need 1 operative employee to monitor maintenance, operative employee's job duty becomes monitoring service equipment from operating equipment, reduces labor intensity of operating staff.
Accompanying drawing explanation
Fig. 1 is Systematical control theory diagram of the present utility model;
Fig. 2 is control principle schematic diagram of the present utility model.
Detailed description of the invention
As illustrated in fig. 1 and 2, the expanding control system of a kind of steel pipe intelligence, comprises PC system 1, PLC control system 2, output equipment 3, oil cylinder stroke detection device 4, Stress control checkout gear 5 and laser displacement inspecting device 6; Described PLC control system 2 is connected with PC system 1 respectively with output equipment 3, and described oil cylinder stroke detection device 4, Stress control checkout gear 5 are connected with PLC control system 2 respectively with laser displacement inspecting device 6; Described PC system 1 adopts industrial control computer; Described PLC control system 2 adopts Siemens S7-300; Described output equipment 3 comprises printer and network output equipment; Described oil cylinder stroke detection device 4 adopts draw wire encoder; Described Stress control checkout gear 5 comprises proportional pressure valve and pressure sensor; Described laser displacement inspecting device 6 comprises the first laser displacement sensor 7 and the second laser displacement sensor 8.
In the utility model, oil cylinder detect lines range device 4 is installed, if oil cylinder stroke L, for one group of expander die, converts and be calibrated to expanding head 9 diameter D; Setting pressure controls checkout gear 5, if pressure is P, pressure represents expanding head 9 and tube wall exposure level and steel pipe 10 elastic-plastic deformation degree; Install laser displacement inspecting device 6, the outer diameter D 1 of examination steel tube 10, card steel pipe 10 produces elastic-plastic deformation, realizes expanding object; PLC control system 2 carries out the measurement of steel pipe 10 outer diameter D 1 fast, calculates oil cylinder stroke L, expanding pressure P and enlarging rate δ, calculates steel pipe 10 outer diameter D 1 variable quantity, basic data stores and utilizes, comprise the data of various caliber, mould, wall thickness, coherent system controlling functions, complete expanding work; Periodic modification primary data, ensures that mould is corresponding with data.
The course of work of the present utility model is:
PLC control system 2 is by reading the output valve X1 of the first laser displacement sensor 7 in laser displacement inspecting device 6, second laser displacement sensor 8 output valve X2, calculate mean value X=(X1+X2)/2, then with the basic data set by PC system 1: the first laser displacement sensor 7 and the second laser displacement sensor 8 are apart from the distance D3 at steel pipe 10 center, steel pipe 10 wall thickness d, expanding head 9 diameter D, calculate cylinder diameter directional run L1=D3-X-d-D/2, then conversion is calibrated to oil cylinder stroke L;
Apply pressure value P to oil cylinder, the real-time detected pressures of pressure sensor, when detecting that pressure durations rises, has now started expanding, for limiting expanding speed and expanding precision by PLC control system 2, PID control ratio pressure valve;
In above two processes, PLC control system 2 measures oil cylinder stroke L and pressure data P at a high speed at any time, and is transformed into steel pipe 10 outer diameter D 1 data value, calculates steel pipe 10 wall thickness d reduction, revises and stop outer diameter D 2, calculate enlarging rate δ; Stopping pressure P supply when stopping outer diameter D 2 or enlarging rate δ reaches setting, proceeding to next step;
Expanding process proceeds to packing stage after reaching setting, stablizes a period of time T;
After time T arrives, oil cylinder return, now calculates the new outer diameter D 2 of steel pipe 10, calculates steel pipe 10 enlarging rate δ;
Carry out comparing calculation according to basic data and the new outer diameter D 2 of calculating steel pipe 10 and enlarging rate δ, if meet required precision, carry out discharging and start the expanding process of next root steel pipe 10, if do not meet required precision, repeating said process until meet the requirements;
Above-mentioned basic data: the first laser displacement sensor 7 and the second laser displacement sensor 8 are apart from the distance D3 at steel pipe 10 center, steel pipe 10 wall thickness d, expanding head 9 diameter D, time T, steel pipe 10 stops outer diameter D 2, and enlarging rate δ etc. is all set by the industrial control computer in PC system 1.
Above-described is only preferred embodiment of the present utility model; Should be understood that for the person of ordinary skill of the art, under technology enlightenment provided by the utility model, as the common practise of this area, other equivalent modifications and improvement can also be made, also should be considered as protection domain of the present utility model.
Claims (7)
1. the expanding control system of steel pipe intelligence, is characterized in that: comprise PC system (1), PLC control system (2), output equipment (3), oil cylinder stroke detection device (4), Stress control checkout gear (5) and laser displacement inspecting device (6); Described PLC control system (2) is connected with PC system (1) respectively with output equipment (3), and described oil cylinder stroke detection device (4), Stress control checkout gear (5) are connected with PLC control system (2) respectively with laser displacement inspecting device (6).
2. the expanding control system of a kind of steel pipe intelligence as claimed in claim 1, is characterized in that: described PC system (1) adopts industrial control computer.
3. the expanding control system of a kind of steel pipe intelligence as claimed in claim 1, is characterized in that: described PLC control system (2) adopts Siemens S7-300.
4. the expanding control system of a kind of steel pipe intelligence as claimed in claim 1, is characterized in that: described output equipment (3) comprises printer and network output equipment.
5. the expanding control system of a kind of steel pipe intelligence as claimed in claim 1, is characterized in that: described oil cylinder stroke detection device (4) adopts draw wire encoder.
6. the expanding control system of a kind of steel pipe intelligence as claimed in claim 1, is characterized in that: described Stress control checkout gear (5) comprises proportional pressure valve and pressure sensor.
7. the expanding control system of a kind of steel pipe intelligence as claimed in claim 1, is characterized in that: described laser displacement inspecting device (6) comprises the first laser displacement sensor (7) and the second laser displacement sensor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993418.7U CN205167651U (en) | 2015-12-04 | 2015-12-04 | Steel pipe intelligence hole enlargement control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993418.7U CN205167651U (en) | 2015-12-04 | 2015-12-04 | Steel pipe intelligence hole enlargement control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205167651U true CN205167651U (en) | 2016-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520993418.7U Expired - Fee Related CN205167651U (en) | 2015-12-04 | 2015-12-04 | Steel pipe intelligence hole enlargement control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205167651U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670292A (en) * | 2016-12-08 | 2017-05-17 | 天水锻压机床(集团)有限公司 | Control system for plate drawing part automatic production line |
| CN107891098A (en) * | 2017-12-25 | 2018-04-10 | 江苏双友智能装备科技股份有限公司 | Full-automatic steel pipe pipe end sizing mill |
| CN109433940A (en) * | 2018-10-30 | 2019-03-08 | 珠海格力智能装备有限公司 | Method and device for controlling pipe expansion of pipe expander |
| CN110523790A (en) * | 2019-09-06 | 2019-12-03 | 徐州徐工液压件有限公司 | Hydraulic pressure cold drawing machine is expanding, head automatic sizing device processed and method |
-
2015
- 2015-12-04 CN CN201520993418.7U patent/CN205167651U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670292A (en) * | 2016-12-08 | 2017-05-17 | 天水锻压机床(集团)有限公司 | Control system for plate drawing part automatic production line |
| CN106670292B (en) * | 2016-12-08 | 2018-04-20 | 天水锻压机床(集团)有限公司 | Plate stretch part automated production line control system |
| CN107891098A (en) * | 2017-12-25 | 2018-04-10 | 江苏双友智能装备科技股份有限公司 | Full-automatic steel pipe pipe end sizing mill |
| CN109433940A (en) * | 2018-10-30 | 2019-03-08 | 珠海格力智能装备有限公司 | Method and device for controlling pipe expansion of pipe expander |
| CN109433940B (en) * | 2018-10-30 | 2020-06-12 | 珠海格力智能装备有限公司 | Method and device for controlling pipe expansion of pipe expander |
| CN110523790A (en) * | 2019-09-06 | 2019-12-03 | 徐州徐工液压件有限公司 | Hydraulic pressure cold drawing machine is expanding, head automatic sizing device processed and method |
| CN110523790B (en) * | 2019-09-06 | 2021-08-06 | 徐州徐工液压件有限公司 | Automatic sizing device and method for expanding and head making of hydraulic cold drawing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161204 |