CN112427457A - Special steel pipe perforation positioning process - Google Patents
Special steel pipe perforation positioning process Download PDFInfo
- Publication number
- CN112427457A CN112427457A CN202011057561.7A CN202011057561A CN112427457A CN 112427457 A CN112427457 A CN 112427457A CN 202011057561 A CN202011057561 A CN 202011057561A CN 112427457 A CN112427457 A CN 112427457A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- special steel
- drill bit
- plc controller
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 88
- 239000010959 steel Substances 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/04—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention belongs to the field of special steel pipe processing, in particular to a special steel pipe perforation positioning process, which aims at the problem that a pipe blank is not convenient to position quickly when the existing perforation is carried out, and provides the following scheme, which comprises the following steps: s1: placing the special steel pipe on a piercing stand, measuring the diameter of the special steel pipe, and then calculating the radius; s2: moving the drill bit upwards, wherein the initial state of the drill bit is horizontal to the top of the perforating table, and the moving distance of the drill bit is the radius in the S1; s3: moving the two positioning rods to enable the two positioning rods to contact the special steel pipe, wherein the two positioning rods are horizontally and symmetrically arranged by taking the drill bit as an axis, and the drill bit and the special steel pipe are concentric at the moment; s4: and finally, the upper part of the special steel pipe is limited by the pressure rod, and the two ends of the special steel pipe are limited by the two limiting blocks.
Description
Technical Field
The invention relates to the technical field of special steel pipe processing, in particular to a special steel pipe perforation positioning process.
Background
The steel pipe has a hollow cross section with a length much greater than the diameter or circumference of the steel. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to the application; the production process includes seamless steel pipe and welded steel pipe, the seamless steel pipe includes hot rolling and cold rolling (drawing), and the welded steel pipe includes straight seam welded steel pipe and spiral seam welded steel pipe. Steel pipes are not only used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, but also are economical steels. The steel pipe is used for manufacturing the building structure net rack, the supporting column and the mechanical support, so that the weight can be reduced, the metal can be saved by 20-40%, and the industrialized mechanized construction can be realized. The steel pipe is used for manufacturing the highway bridge, steel can be saved, construction is simplified, the area of a coating layer can be greatly reduced, investment and maintenance cost are saved, and the special steel pipe belongs to one type of steel pipe and is mostly made of solid pipe blanks through perforation.
In the prior art, when perforation is carried out, a pipe blank is not convenient to position quickly, so a special steel pipe perforation positioning process is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defect that a tube blank is not convenient to position quickly when a hole is punched in the prior art, and provides a special steel tube punching positioning process.
In order to achieve the purpose, the invention adopts the following technical scheme:
a special steel pipe perforation positioning process comprises the following steps:
s1: placing the special steel pipe on a piercing stand, measuring the diameter of the special steel pipe, and then calculating the radius;
s2: moving the drill bit upwards, wherein the initial state of the drill bit is horizontal to the top of the perforating table, and the moving distance of the drill bit is the radius in the S1;
s3: moving the two positioning rods to enable the two positioning rods to contact the special steel pipe, wherein the two positioning rods are horizontally and symmetrically arranged by taking the drill bit as an axis, and the drill bit and the special steel pipe are concentric at the moment;
s4: finally, limiting the upper part of the special steel pipe through a pressure rod, and limiting the two ends of the special steel pipe through two limiting blocks to complete the perforation positioning of the special steel pipe;
s5: and recording the radius in S1 and S2 and the moving distance of the corresponding drill bit, and automatically moving the drill bit when encountering special steel pipes with the same size according to the record.
Preferably, in S2, the drill is moved by an electric push rod, the electric push rod is connected to a PLC controller, and the PLC controller controls the extending distance of the electric push rod.
Preferably, in S5, the radius in S1 and S2 and the moving distance of the drill bit are recorded, the PLC controller is programmed according to the recorded data, and when a special steel pipe with the same size is encountered, the PLC controller automatically controls the electric push rod to move the drill bit.
Preferably, in S3, the two positioning rods are driven by two cylinders, and pulleys are provided on the two positioning rods, the pulleys are in contact with the special steel pipe, and the two cylinders are controlled by a PLC controller.
Preferably, in S1, the diameter of the special steel pipe is measured by the diameter measuring instrument, the measured data is transmitted to the PLC controller, and the PLC controller controls the operation of the air cylinder or the electric push rod according to the received data.
Preferably, in S4, the distance between the pressing rod and the piercing stand is measured by the distance meter, and the measured data is transmitted to the PLC controller, where the moving distance of the pressing rod is obtained by subtracting the diameter data from the distance between the pressing rod and the piercing stand.
Preferably, in S4, the length of the special steel pipe is measured by using a distance meter, the data is transmitted to the PLC controller, the two limiting blocks are driven by two telescopic motors, and the telescopic motors are electrically connected with the PLC controller.
Preferably, in S1, a pulley block is disposed on the piercing stand, and the pulley block is used for forward and backward displacement of the special steel pipe.
Compared with the prior art, the invention has the beneficial effects that:
according to the scheme, the diameter of a special steel pipe is measured, the radius is calculated, then a drill bit moves upwards, the radius and the moving distance of the corresponding drill bit are recorded, a PLC (programmable logic controller) is programmed according to recorded data, and when the special steel pipe with the same size is encountered, the PLC automatically controls an electric push rod to move, so that the center of a circle is positioned quickly;
according to the scheme, the PLC is programmed, and the PLC controls the telescopic motor, the electric push rod and the air cylinder to operate, so that the moving distances of the positioning rod, the limiting block and the pressing rod are more accurate, and the workpiece is prevented from being damaged;
the invention can quickly position the circle center, is beneficial to the perforation work, has more accurate positioning and avoids damaging the workpiece.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
A special steel pipe perforation positioning process comprises the following steps:
s1: placing the special steel pipe on a piercing stand, measuring the diameter of the special steel pipe, and then calculating the radius;
s2: moving the drill bit upwards, wherein the initial state of the drill bit is horizontal to the top of the perforating table, and the moving distance of the drill bit is the radius in S1;
s3: moving the two positioning rods to enable the two positioning rods to contact the special steel pipe, wherein the two positioning rods are horizontally and symmetrically arranged by taking the drill bit as an axis, and the drill bit and the special steel pipe are concentric at the moment;
s4: finally, limiting the upper part of the special steel pipe through a pressure rod, and limiting the two ends of the special steel pipe through two limiting blocks to complete the perforation positioning of the special steel pipe;
s5: and recording the radius in S1 and S2 and the moving distance of the corresponding drill bit, and automatically moving the drill bit when encountering special steel pipes with the same size according to the record.
In the invention, in S2, the movement of the drill is completed by an electric push rod, the electric push rod is connected with a PLC controller, the extending distance of the electric push rod is controlled by the PLC controller, the PLC controller is a digital electronic device with a microprocessor, is a digital logic controller for automatic control, can load control instructions into a memory at any time for storage and execution, and is modularly combined by an internal CPU, an instruction and data memory, an input and output unit, a power supply module, a digital analog unit and the like.
In the invention, in S5, the radius in S1 and S2 and the moving distance of the corresponding drill bit are recorded, the PLC controller is programmed according to the recorded data, when a special steel pipe with the same size is encountered, the PLC controller automatically controls the electric push rod to move, the drill bit is moved, the electric push rod is a novel electric actuating mechanism, the electric push rod is a novel linear actuating mechanism mainly composed of a motor, a push rod, a control device and the like, the remote control and the centralized control can be realized, the electric push rod moves back and forth within a certain range of stroke, the standard stroke of the general electric push rod is 100, 150, 200, 250, 300, 350 and 400mm, and the special stroke can be designed and customized according to different application condition requirements. The electric push rod can be designed with different push forces according to different application loads, generally the maximum push force can reach 6000N, the no-load operation speed is 4mm-35mm/s, the electric push rod uses a 24V/12V direct current permanent magnet motor as a power source to convert the rotary motion of the motor into linear reciprocating motion to push a group of link mechanisms to complete the switching work of air doors, valves, gates, baffles and the like, the electric push rod is used as an actuating mechanism, so that not only can air source devices and auxiliary equipment required by the pneumatic actuating mechanism be reduced, but also the weight of the actuating mechanism can be reduced, the pneumatic actuating mechanism needs certain air pressure in the whole control operation process, although an amplifier with small consumption can be adopted, the daily accumulation and the air consumption are still huge, the electric push rod actuating mechanism is adopted, when the control opening degree is changed, the power supply is needed, when the required opening degree is reached, the power can not be supplied any more, so that the electric push rod actuating mechanism has the obvious energy-saving advantage compared with a pneumatic actuating mechanism in view of energy saving.
In the invention, in S3, the two positioning rods are driven by two cylinders, pulleys are arranged on the two positioning rods, the pulleys are in contact with the special steel pipe, and the two cylinders are controlled by a PLC (programmable logic controller).
In the invention, in S1, the diameter of the special steel pipe is measured by the diameter measuring instrument, the measured data is transmitted to the PLC controller, and the PLC controller controls the operation of the air cylinder or the electric push rod according to the received data.
In the invention, in S4, the distance between the pressure lever and the punching platform is measured by the distance measuring instrument, the measured data is transmitted to the PLC, and the moving distance of the pressure lever is obtained by subtracting the diameter data from the distance between the pressure lever and the punching platform.
In the invention, in S4, the length of the special steel pipe is measured by using a distance meter, the data is transmitted to a PLC controller, two limiting blocks are driven by two telescopic motors, and the telescopic motors are electrically connected with the PLC controller.
In the invention, in S1, a pulley block is arranged on the piercing stand and used for the front and back displacement of the special steel pipe.
According to the scheme, the diameter of a special steel pipe is measured, the radius is calculated, then a drill bit moves upwards, the radius and the moving distance of the corresponding drill bit are recorded, a PLC (programmable logic controller) is programmed according to recorded data, and when the special steel pipe with the same size is encountered, the PLC automatically controls an electric push rod to move, so that the center of a circle is positioned quickly;
according to the scheme, the PLC is programmed, and the PLC controls the telescopic motor, the electric push rod and the air cylinder to operate, so that the moving distances of the positioning rod, the limiting block and the pressing rod are more accurate, and the workpiece is prevented from being damaged;
the invention can quickly position the circle center, is beneficial to the perforation work, has more accurate positioning and avoids damaging the workpiece.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A special steel pipe perforation positioning process is characterized by comprising the following steps:
s1: placing the special steel pipe on a piercing stand, measuring the diameter of the special steel pipe, and then calculating the radius;
s2: moving the drill bit upwards, wherein the initial state of the drill bit is horizontal to the top of the perforating table, and the moving distance of the drill bit is the radius in the S1;
s3: moving the two positioning rods to enable the two positioning rods to contact the special steel pipe, wherein the two positioning rods are horizontally and symmetrically arranged by taking the drill bit as an axis, and the drill bit and the special steel pipe are concentric at the moment;
s4: finally, limiting the upper part of the special steel pipe through a pressure rod, and limiting the two ends of the special steel pipe through two limiting blocks to complete the perforation positioning of the special steel pipe;
s5: and recording the radius in S1 and S2 and the moving distance of the corresponding drill bit, and automatically moving the drill bit when encountering special steel pipes with the same size according to the record.
2. The special steel pipe perforating and positioning process of claim 1, wherein in the step S2, the drill head is moved by an electric push rod, the electric push rod is connected with a PLC controller, and the extending distance of the electric push rod is controlled by the PLC controller.
3. The special steel pipe piercing positioning process of claim 1, wherein in S5, the radius and the corresponding drill bit moving distance in S1 and S2 are recorded, the PLC controller is programmed according to the recorded data, and when a special steel pipe with the same size is encountered, the PLC controller automatically controls the electric push rod to move, so as to move the drill bit.
4. The special steel pipe punching and positioning process according to claim 1, wherein in the step S3, the two positioning rods are driven by two cylinders, and pulleys are arranged on the two positioning rods, the pulleys are in contact with the special steel pipe, and the two cylinders are controlled by a PLC controller.
5. The special steel pipe perforating and positioning process of claim 1, wherein in S1, the diameter of the special steel pipe is measured by a diameter measuring instrument, the measured data is transmitted to a PLC controller, and the PLC controller controls the operation of the air cylinder or the electric push rod according to the received data.
6. The special steel pipe piercing positioning process of claim 1, wherein in step S4, the distance between the pressing rod and the piercing stand is measured by the distance meter, and the measured data is transmitted to the PLC controller, and the moving distance of the pressing rod is obtained by subtracting the diameter data from the distance between the pressing rod and the piercing stand.
7. The special steel pipe punching positioning process according to claim 1, wherein in S4, a distance meter is used to measure the length of the special steel pipe, the data is transmitted to a PLC controller, the two limiting blocks are driven by two telescopic motors, and the telescopic motors are electrically connected with the PLC controller.
8. The special steel pipe piercing positioning process of claim 1, wherein in S1, the piercing table is provided with a pulley block for forward and backward displacement of the special steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011057561.7A CN112427457B (en) | 2020-09-29 | 2020-09-29 | Special steel pipe perforation positioning process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011057561.7A CN112427457B (en) | 2020-09-29 | 2020-09-29 | Special steel pipe perforation positioning process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112427457A true CN112427457A (en) | 2021-03-02 |
| CN112427457B CN112427457B (en) | 2022-07-12 |
Family
ID=74689691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011057561.7A Active CN112427457B (en) | 2020-09-29 | 2020-09-29 | Special steel pipe perforation positioning process |
Country Status (1)
| Country | Link |
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| CN (1) | CN112427457B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001219204A (en) * | 2000-02-10 | 2001-08-14 | Nkk Corp | Method for manufacturing seamless steel tube |
| CN101985178A (en) * | 2009-07-29 | 2011-03-16 | 宝山钢铁股份有限公司 | Drill hole accurate positioning method in mechanical drilling process |
| CN107755734A (en) * | 2016-08-15 | 2018-03-06 | 江苏爱福特科技开发有限公司 | A kind of multiple rows of hole drilling processing tool of tubular workpieces with spiral lifting |
| CN108580562A (en) * | 2018-06-22 | 2018-09-28 | 山西创奇实业有限公司 | A kind of roll dynamic measuring instrument and Mannesmann piercing mill |
| CN108889812A (en) * | 2018-08-31 | 2018-11-27 | 山东高机工业机械有限公司 | A kind of device for improving copper rod and flattening angle precision |
-
2020
- 2020-09-29 CN CN202011057561.7A patent/CN112427457B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001219204A (en) * | 2000-02-10 | 2001-08-14 | Nkk Corp | Method for manufacturing seamless steel tube |
| CN101985178A (en) * | 2009-07-29 | 2011-03-16 | 宝山钢铁股份有限公司 | Drill hole accurate positioning method in mechanical drilling process |
| CN107755734A (en) * | 2016-08-15 | 2018-03-06 | 江苏爱福特科技开发有限公司 | A kind of multiple rows of hole drilling processing tool of tubular workpieces with spiral lifting |
| CN108580562A (en) * | 2018-06-22 | 2018-09-28 | 山西创奇实业有限公司 | A kind of roll dynamic measuring instrument and Mannesmann piercing mill |
| CN108889812A (en) * | 2018-08-31 | 2018-11-27 | 山东高机工业机械有限公司 | A kind of device for improving copper rod and flattening angle precision |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112427457B (en) | 2022-07-12 |
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