CN111457826A - Rapid angle checking method for straightening machine - Google Patents
Rapid angle checking method for straightening machine Download PDFInfo
- Publication number
- CN111457826A CN111457826A CN202010240476.8A CN202010240476A CN111457826A CN 111457826 A CN111457826 A CN 111457826A CN 202010240476 A CN202010240476 A CN 202010240476A CN 111457826 A CN111457826 A CN 111457826A
- Authority
- CN
- China
- Prior art keywords
- straightening
- plate
- degree
- angle
- corner
- 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
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
Abstract
The invention relates to a method for quickly checking an angle of a straightening machine, which comprises the following steps: 1) manufacturing a plurality of check plates; 2) checking the number of the rotation angle of the straightening roller by using a check plate; 3) the calibration plate is used for calibrating the contra-rotating angle position of the electric sensor, when the calibration plate is respectively placed at the end without the connecting rod of the straightening roll and is attached to the sample plate, the error value of the momentum encoder at each degree of the rotating angle is measured, when the positive value of the momentum at each degree of the rotating angle is measured, the corrected value is a negative number, and when the negative value of the momentum at each degree of the rotating angle is measured, the corrected value is a positive number. The calibration plate can be used for timely calibrating whether the angle degree of the straightening roller meets the process requirement or not, so that the product quality is ensured; the calibration of the calibration plate can effectively reduce the centering time of the straightening machine, and meanwhile, the multi-person mapping time of the straightening machine during centering is saved, so that time, labor and labor are saved.
Description
Technical Field
The invention relates to a method for checking an angle of a straightening machine.
Background
In the heat treatment production process of the steel pipe, straightening is a very important process, which directly influences the bending degree of the steel pipe, and the bending of the steel pipe can cause the yield of end turning wires. Therefore, the inaccurate corner of the straightener can cause serious abrasion of the surfaces of the steel drawing, the steel stacking and the straightening roller, and directly influence the product quality.
Disclosure of Invention
The invention aims to solve the technical problem of quickly correcting the corner deviation of a straightening machine generated by the conditions of maintenance, adjustment and the like of the straightening machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
1. a straightening machine angle rapid checking method comprises the following steps:
1) manufacturing a plurality of check plates, wherein each check plate comprises a corner foundation plate, a lower limit positioning plate and an upper limit positioning plate;
2) calibration of angle degree of straightening roller by calibration plate
a. The positions of the straightening rollers and the connecting rods are checked by using corner base plates, the corner base plates are placed between foundation columns of the straightening machine, and when the ends, without the connecting rods, of the straightening rollers are attached to the sample plate, the included angle between the axes of the straightening rollers and the connecting rods is 0 degrees, which indicates that the assembly positions of the straightening rollers are correct;
b. checking the corner position of a straightening roller when a steel pipe with the lower limit pipe diameter and the outer diameter of 70mm is in a full pipe-embracing state by using a lower limit positioning plate, placing the lower limit positioning plate between basic upright columns of a straightening machine, and indicating that the corner of the straightening roller is 28 degrees required by the process when the end of the straightening roller without a connecting rod is attached to a sample plate;
c. checking the corner position of the straightening roller when the upper limit pipe diameter steel pipe with the outer diameter of 178mm is in a full pipe-embracing state by using an upper limit positioning plate, and indicating that the corner of the straightening roller is 36 degrees required by the process when the upper limit positioning plate is placed at the end of the straightening roller without a connecting rod and is attached to a sample plate;
3) the calibration plate is used for calibrating the contra-rotating angle position of the electric sensor, when the calibration plate is respectively placed at the end without the connecting rod of the straightening roll and is attached to the sample plate, the error value of the momentum encoder at each degree of the rotating angle is measured, when the positive value of the momentum at each degree of the rotating angle is measured, the corrected value is a negative number, and when the negative value of the momentum at each degree of the rotating angle is measured, the corrected value is a positive number.
Compared with the prior art, the invention has the beneficial effects that:
1. the calibration plate can be used for timely calibrating whether the angle degree of the straightening roller meets the process requirement or not, so that the product quality is ensured;
2. the calibration of the calibration plate can effectively reduce the centering time of the straightening machine, and meanwhile, the multi-person mapping time of the straightening machine during centering is saved, so that time, labor and labor are saved.
Drawings
Fig. 1 is a schematic structural diagram of a calibration plate.
Fig. 2 is a schematic diagram of verification using a verification board.
In the figure: a calibration plate 1, a straightening roller 2 and a straightening machine base upright post 3.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
1. a straightening machine angle rapid checking method comprises the following steps:
1) manufacturing a plurality of check plates, wherein each check plate comprises a corner foundation plate, a lower limit positioning plate and an upper limit positioning plate;
2) calibration of angle degree of straightening roller by calibration plate
a. The positions of the straightening rollers and the connecting rods are checked by using corner base plates, the corner base plates are placed between foundation columns of the straightening machine, and when the ends, without the connecting rods, of the straightening rollers are attached to the sample plate, the included angle between the axes of the straightening rollers and the connecting rods is 0 degrees, which indicates that the assembly positions of the straightening rollers are correct;
b. checking the corner position of a straightening roller when a steel pipe with the lower limit pipe diameter and the outer diameter of 70mm is in a full pipe-embracing state by using a lower limit positioning plate, placing the lower limit positioning plate between basic upright columns of a straightening machine, and indicating that the corner of the straightening roller is 28 degrees required by the process when the end of the straightening roller without a connecting rod is attached to a sample plate;
c. checking the corner position of the straightening roller when the upper limit pipe diameter steel pipe with the outer diameter of 178mm is in a full pipe-embracing state by using an upper limit positioning plate, and indicating that the corner of the straightening roller is 36 degrees required by the process when the upper limit positioning plate is placed at the end of the straightening roller without a connecting rod and is attached to a sample plate;
3) the calibration plate is used for calibrating the contra-rotating angle position of the electric sensor, when the calibration plate is respectively placed at the end without the connecting rod of the straightening roll and is attached to the sample plate, the error value of the momentum encoder at each degree of the rotating angle is measured, when the positive value of the momentum at each degree of the rotating angle is measured, the corrected value is a negative number, and when the negative value of the momentum at each degree of the rotating angle is measured, the corrected value is a positive number.
Examples
Referring to fig. 1-2, a method for quickly verifying the angle of a straightener comprises the following steps:
1) manufacturing a plurality of verification boards, wherein verification angles A on the verification boards are respectively 28 degrees, 29 degrees, 31 degrees, 33 degrees and 35 degrees and 36 degrees;
2) the checking and straightening roller corner degree specifically comprises the following steps: 33 °, 28 °, 36 °
a. The positions of the straightening rollers and the connecting rods are verified by using a 33-degree verification plate, the 33-degree verification plate is placed between the foundation columns of the straightening machine, and when the connecting rod-free end of each straightening roller is attached to the sample plate, the included angle between the axis of each straightening roller and each connecting rod is 0 degrees, which indicates that the assembly position of each straightening roller is correct;
b. verifying the corner position of a straightening roller when a lower limit pipe diameter steel pipe with the outer diameter of 70mm is in a full pipe embracing state by using a 28-degree verification plate, placing the 28-degree verification plate between basic upright columns of a straightening machine, and indicating that the corner of the straightening roller is 28 degrees required by the process when the connecting rod-free end of the straightening roller is attached to a sample plate;
c. checking the corner position of the straightening roller by using a 36-degree check plate when the upper limit pipe diameter steel pipe with the outer diameter of 178mm is in a full pipe-embracing state, and indicating that the corner of the straightening roller is 36 degrees required by the process when the 36-degree check plate is placed at the end of the straightening roller without a connecting rod and is attached to a sample plate;
3) the calibration plate is used for calibrating the contra-rotating angle position of the electric sensor, the calibration plate with 28 degrees, 29 degrees, 33 degrees, 31 degrees, 35 degrees and 36 degrees is respectively placed at the end, without the connecting rod, of the straightening roll and is attached to the sample plate, the error value of the momentum encoder at each degree of the rotation angle is measured, when the positive value of the momentum at each degree of the rotation angle is measured, the corrected value is a negative value, and when the negative value of the momentum at each degree of the rotation angle is measured.
And the check plate is used for measuring the equipment state, so that the product can meet the quality requirement.
The foregoing is considered as illustrative only of the principles of the invention and is not to be in any way limiting, since all equivalent changes and modifications are intended to be included within the scope of the appended claims.
Claims (1)
1. A method for quickly checking the angle of a straightening machine is characterized by comprising the following steps:
1) manufacturing a plurality of check plates, wherein each check plate comprises a corner foundation plate, a lower limit positioning plate and an upper limit positioning plate;
2) calibration of angle degree of straightening roller by calibration plate
a. The positions of the straightening rollers and the connecting rods are checked by using corner base plates, the corner base plates are placed between foundation columns of the straightening machine, and when the ends, without the connecting rods, of the straightening rollers are attached to the sample plate, the included angle between the axes of the straightening rollers and the connecting rods is 0 degrees, which indicates that the assembly positions of the straightening rollers are correct;
b. checking the corner position of a straightening roller when a steel pipe with the lower limit pipe diameter and the outer diameter of 70mm is in a full pipe-embracing state by using a lower limit positioning plate, placing the lower limit positioning plate between basic upright columns of a straightening machine, and indicating that the corner of the straightening roller is 28 degrees required by the process when the end of the straightening roller without a connecting rod is attached to a sample plate;
c. checking the corner position of the straightening roller when the upper limit pipe diameter steel pipe with the outer diameter of 178mm is in a full pipe-embracing state by using an upper limit positioning plate, and indicating that the corner of the straightening roller is 36 degrees required by the process when the upper limit positioning plate is placed at the end of the straightening roller without a connecting rod and is attached to a sample plate;
3) the calibration plate is used for calibrating the contra-rotating angle position of the electric sensor, when the calibration plate is respectively placed at the end without the connecting rod of the straightening roll and is attached to the sample plate, the error value of the momentum encoder at each degree of the rotating angle is measured, when the positive value of the momentum at each degree of the rotating angle is measured, the corrected value is a negative number, and when the negative value of the momentum at each degree of the rotating angle is measured, the corrected value is a positive number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010240476.8A CN111457826B (en) | 2020-03-31 | 2020-03-31 | Rapid angle checking method for straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010240476.8A CN111457826B (en) | 2020-03-31 | 2020-03-31 | Rapid angle checking method for straightening machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111457826A true CN111457826A (en) | 2020-07-28 |
| CN111457826B CN111457826B (en) | 2021-10-22 |
Family
ID=71683388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010240476.8A Active CN111457826B (en) | 2020-03-31 | 2020-03-31 | Rapid angle checking method for straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111457826B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3122742A1 (en) * | 1981-06-09 | 1982-12-23 | Lindemann, Hans, 4800 Bielefeld | Method and device for measuring the straightness of bar-shaped material |
| CN1498704A (en) * | 2002-10-24 | 2004-05-26 | 株式会社三共制作所 | Feeder of coil |
| CN101634549A (en) * | 2009-08-21 | 2010-01-27 | 上海交通大学 | Oil well drill rod straightness detecting device and detecting method thereof |
| CN102335682A (en) * | 2010-07-28 | 2012-02-01 | 宝山钢铁股份有限公司 | Online detecting and straightening equipment and method of straightness of pipe end of drill pipe |
| CN103639241A (en) * | 2013-12-26 | 2014-03-19 | 二重集团（德阳）重型装备股份有限公司 | Method for directly measuring rolling reduction of straightening machine roll system |
| CN103894453A (en) * | 2014-04-01 | 2014-07-02 | 太仓东青金属制品有限公司 | Metal pipe straightening machine |
| CN104438459A (en) * | 2013-09-17 | 2015-03-25 | 西安麦特沃金液控技术有限公司 | Swing arm type synchronous straightening machine |
| CN105268771A (en) * | 2015-10-29 | 2016-01-27 | 西安航空动力股份有限公司 | Device and method for rectifying hollow thin-walled castings |
-
2020
- 2020-03-31 CN CN202010240476.8A patent/CN111457826B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3122742A1 (en) * | 1981-06-09 | 1982-12-23 | Lindemann, Hans, 4800 Bielefeld | Method and device for measuring the straightness of bar-shaped material |
| CN1498704A (en) * | 2002-10-24 | 2004-05-26 | 株式会社三共制作所 | Feeder of coil |
| CN101634549A (en) * | 2009-08-21 | 2010-01-27 | 上海交通大学 | Oil well drill rod straightness detecting device and detecting method thereof |
| CN102335682A (en) * | 2010-07-28 | 2012-02-01 | 宝山钢铁股份有限公司 | Online detecting and straightening equipment and method of straightness of pipe end of drill pipe |
| CN104438459A (en) * | 2013-09-17 | 2015-03-25 | 西安麦特沃金液控技术有限公司 | Swing arm type synchronous straightening machine |
| CN103639241A (en) * | 2013-12-26 | 2014-03-19 | 二重集团（德阳）重型装备股份有限公司 | Method for directly measuring rolling reduction of straightening machine roll system |
| CN103894453A (en) * | 2014-04-01 | 2014-07-02 | 太仓东青金属制品有限公司 | Metal pipe straightening machine |
| CN105268771A (en) * | 2015-10-29 | 2016-01-27 | 西安航空动力股份有限公司 | Device and method for rectifying hollow thin-walled castings |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111457826B (en) | 2021-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102944163B (en) | Device and method for measuring profile tolerance of annular dovetail groove of any axial section | |
| CN103206910B (en) | A kind of devices and methods therefor measuring large-diameter deep taper hole | |
| CN103706673B (en) | A kind of node component radial location method of dome-like roof | |
| CN111457826B (en) | Rapid angle checking method for straightening machine | |
| CN107862120B (en) | Assembling method of bent and twisted pipe component | |
| CN102519410A (en) | System and method for measuring centre position and exradius of ring by utilizing snubber rolls | |
| CN207547309U (en) | A kind of steel pipe Linearity surveying and coalignment | |
| KR101184224B1 (en) | Correction apparatus for steel plate | |
| KR20140006572A (en) | Large pipe length and straightness measuring device | |
| CN106017282A (en) | Cylinder deformation degree correcting equipment with synchronous detection and correction | |
| CN108544190B (en) | Manufacturing method of bent box-shaped steel tower segment | |
| CN210188054U (en) | Calibration tool for rolling angle of roller of pipe rolling mill | |
| CN103541545A (en) | Method for mounting and controlling large arc structure template and vertical centring device thereof | |
| CN203649711U (en) | Radial direction connecting plate positioning device at pipe fitting middle part | |
| CN113714334A (en) | Method for calibrating center line of straightening machine based on laser tracker | |
| CN108534980B (en) | Cooling tower group tower surface wind pressure interference effect test equipment and application method thereof | |
| CN110044297B (en) | Method for detecting bending degree of optical fiber preform | |
| CN110926345B (en) | Method for measuring length of rear embedded rod piece connected by net rack and spherical support | |
| CN214702016U (en) | Measuring instrument for detecting shaft straightness and shaft runout | |
| CN205981054U (en) | Detect and correct hydro -cylinder cylinder degree of deformation correction equipment that can go on in step | |
| CN111099432B (en) | Irregular pipe body advancing device, advancing method and winding device thereof | |
| CN211373474U (en) | Nuclear fuel rod coaxiality detection device | |
| CN211651461U (en) | Portable reinforcing bar protective layer detection device | |
| CN215865124U (en) | Pressure pipeline thickness detection device | |
| CN215338104U (en) | Wind-powered electricity generation self-aligning roller bearing external diameter measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |