CN103063188A - Method and device of elbow pipe angle detection - Google Patents
Method and device of elbow pipe angle detection Download PDFInfo
- Publication number
- CN103063188A CN103063188A CN2013100003433A CN201310000343A CN103063188A CN 103063188 A CN103063188 A CN 103063188A CN 2013100003433 A CN2013100003433 A CN 2013100003433A CN 201310000343 A CN201310000343 A CN 201310000343A CN 103063188 A CN103063188 A CN 103063188A
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- stepper motor
- angle
- transfer table
- guideway
- bend pipe
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Abstract
The invention discloses a method and a device of elbow pipe angle detection. The method of the elbow pipe angle detection includes the steps of arranging two sensors besides an included angle section of an elbow pipe, using stepping motors to drive the two sensors to respectively detect position information of two point locations, sending the position information to a single chip microcomputer, finishing calculation by the microcomputer and displaying angle information on a displayer. The device of the angle of the elbow pipe detection comprises a moving assembly, the sensors, the displayer, and the single chip microcomputer. The moving assembly comprises a group of moving platforms which are overlaid, the moving directions of the moving platforms are perpendicular to each other, the sensors are arranged on the moving platform arranged at the top portion, and the moving assembly, the sensors and the displayer are respectively connected with the single-chip microcomputer. The accurate angle of bend of the elbow pipe can be displayed on the displayer, precision of elbow pipe products is improved, and precision and efficiency of production of the elbow are improved.
Description
Technical field
The present invention relates to machinery and electronic technology, a kind of bend pipe detects, especially digital control detection method and device thereof.
Background technology
Development along with society, all trades and professions increase rapidly the demand of various model bend pipes, installation quality in order to ensure on-the-spot pipeline docking, angle precision requirement to tube bending forming is also more and more higher, and everything impels people that bending pipes processing technology, process equipment and checkout equipment are carried out deep research.
Traditional tube bender by manually go to measure, control angle carries out the processing of bend pipe, this mode of production efficient is very low, the error that more very is on-the-spot pipeline docking is large, have a strong impact on installation quality and the installation progress of pipeline, so manual measurement can't satisfy the requirement of modern production.
Aborning, Numeric Control Technology is widely used, and therefore traditional tube bender is modified in the CNC tube bending machine process, and it is exactly one of problem wherein that the bend pipe angle detects.After the metal tube distortion, when removing the pressure of shaping jig, the metal tube of moulding is because the cause of metal material itself produces change in size, and namely resilience owing to the uncertainty of springback capacity, goes to detect by artificial mode, and error is large and consuming time many.
Summary of the invention
The invention provides a kind of bend pipe angle detecting method and device thereof.
A kind of bend pipe angle detecting method, during the tube bender crooked pipeline, the one section needs that is bent pipeline are relatively fixing, this section claims canned paragraph, and one section that is bent is called bending section, after bending is complete, another section adjacent with bending section is called the angle section, itself and canned paragraph form certain angle, and this method detects the angle of described angle
Step 1 arranges two sensors on the described angle section of bend pipe side;
Step 2, the described bending section of bend pipe remove the external force resilience stable after, use the first stepper motor and two sensors of the second stepping motor-driven to measure respectively two above difference bit position information of angle section, and positional information mail to single-chip microcomputer, single-chip microcomputer is finished and is calculated and angle information is shown in display;
The process of calculating the bend pipe angle is: establishing the stepper motor step angle is θ
s, stepper motor driven ball screw assembly, helical pitch is P, the measured distance of the first stepper motor is d
1, counter 0 record first step number that stepper motor is walked of single-chip microcomputer is N
1,
D then
1=(P θ
sN
1)/360;
The measured distance of the second stepper motor is d
2, the counter 1 record step number of single-chip microcomputer is N
2,
D then
2=(P θ
sN
2)/360,
Distance between the first stepper motor and the second stepper motor is h, and the bend pipe angle that records is made as a,
Work as d
1D
2, a=arctan[h/(d
1-d
2)]=arctan { 360h/[P θ
s(N
1-N
2)];
Work as d
1=d
2, a=90 °;
Work as d
1＜d
2, a=180-arctan[h/(d
1-d
2)]=180-arctan { 360h/[P θ
s(N
2-N
1)].
A kind of bend pipe angle measurement unit comprises moving assembly, sensor, display, single-chip microcomputer; Described moving assembly comprises one group of transfer table of stack, and the direction of motion of described transfer table is mutually vertical, and the transfer table that is in the top is provided with sensor; Described moving assembly, sensor, display connect respectively single-chip microcomputer.
The present invention is in the design of the basic enterprising line number control system of traditional tube bender, single-chip microcomputer calculates automatically, detect and control the angle of bend of tubing, the accurate angle of bend pipe bending may be displayed on the display, directly perceived quick, greatly reduced the production time, improve the precision of bend pipe product, solve the error that produces in artificial the production, improve precision and efficient that bend pipe is produced.Satisfy the requirement of modern production.
Further, described moving assembly also comprises base, guideway, ball screw assembly,, stepper motor, bracing frame, described base is established the 3rd guideway, the 4th guideway, the 3rd stepper motor, the 3rd feed screw nut pair, and described the 3rd guideway, the 4th guideway and the 3rd ball screw assembly, connect the 3rd transfer table; Described the 3rd transfer table is established the first guideway, the first ball screw assembly,, the first stepper motor and the second guideway, the second ball screw assembly,, the second stepper motor, described the first guideway, the first ball screw assembly, connect the first transfer table, described the first transfer table connects the first bracing frame, described the second guideway, the second ball screw assembly, connect the second transfer table, described the second transfer table connects the second bracing frame, and described the first bracing frame, the second bracing frame connect respectively first sensor and the second sensor; Described first, second sensor, first, second, third stepper motor connects respectively single-chip microcomputer, and described the first transfer table is parallel with the second transfer table direction of motion, and the first transfer table is vertical with the 3rd transfer table direction of motion.
Features simple structure of the present invention is easy to design, and the application energy accuracy guarantee measuring accuracy of sensor, stepper motor, guideway, ball screw assembly, is not high to environmental requirement; Orthogonal two mobile platforms, it moves flexibly, can the different position of fast detecting bend pipe.
Further, described sensor is approach switch.Approach switch claims again static position switch, is a kind of detecting instrument of non-contact type, and long, low in energy consumption, the multiple bearing accuracy of reliable operation, life-span is high, operating frequency is high and adapt to the abominable advantages such as working environment.
This device can be widely used in power construction, public railway construction, boiler, bridge, boats and ships, furniture, the pipeline laying of the aspects such as decoration and the measurement of bend pipe angle when building.
Description of drawings
Fig. 1 is that bend pipe angle detection device master looks schematic diagram.
Fig. 2 is bend pipe angle detection device schematic top plan view.
Fig. 3 is the installation of sensors partial schematic diagram.
Fig. 4 is that the present invention detects principle schematic.
Fig. 5 is single chip circuit schematic diagram of the present invention.
Fig. 6 is the software block diagram that the present invention uses.
Among the figure, 1. base, 2a the first ball screw assembly,, 2b. the second ball screw assembly,, 2c. the 3rd ball screw assembly,, 3a. the first guideway, 3b. the second guideway, 3c. the 3rd guideway, 3d. the 4th guideway, 4. the 3rd transfer table, 5a. the first transfer table, 5b. the second transfer table, 6a. the first bracing frame, 6b. the second bracing frame, 7a. first sensor, 7b. the second sensor, 8a. the first stepper motor, 8b. the second stepper motor, 8c. the 3rd stepper motor, 9. bend pipe.
Embodiment
Referring to Fig. 1 to Fig. 6, a kind of bend pipe angle detecting method, during the tube bender crooked pipeline, one section needs of bend pipe 9 are relatively fixing, and this section claims canned paragraph, one section that is bent is called bending section, after bending was complete, another section adjacent with bending section was called the angle section, and itself and canned paragraph form certain angle, this method detects the angle of described angle
Step 1 arranges two sensor 7a, 7b on bend pipe 9 angle sections side;
Step 2, bend pipe 9 bending sections remove the external force resilience stable after, the probe that uses the first stepper motor 8a and the second stepper motor 8b to drive two sensor 7a, 7b is measured respectively the two or more difference bit position of angle section information, and positional information mail to single-chip microcomputer, single-chip microcomputer is finished and is calculated and angle information is shown in display;
The process of calculating bend pipe 9 angles is: establishing the stepper motor step angle is θ
s, stepper motor driven ball screw assembly, helical pitch is P, the measured distance of the first stepper motor 8a is d
1, the counter 0 record first stepper motor step number that 8a walks of single-chip microcomputer is N
1,
D then
1=(P θ
sN
1)/360;
The measured distance of the second stepper motor is d
2, the counter 1 record step number of single-chip microcomputer is N
2,
D then
2=(P θ
sN
2)/360,
Distance between the first stepper motor 8a and the second stepper motor 8b is h, and bend pipe 9 angles that record are made as a,
Work as d
1D
2, a=arctan[h/(d
1-d
2)]=arctan { 360h/[P θ
s(N
1-N
2)];
Work as d
1=d
2, a=90 °;
Work as d
1＜d
2, a=180-arctan[h/(d
1-d
2)]=180-arctan { 360h/[P θ
s(N
2-N
1)].
The bend pipe angle measurement unit comprises moving assembly, sensor 7a, 7b, display, single-chip microcomputer; Described moving assembly comprises one group of transfer table of stack, and the direction of motion of described transfer table is mutually vertical, and the transfer table that is in the top is provided with sensor 7a, 7b; Described moving assembly, sensor, display connect respectively single-chip microcomputer.
Moving assembly also comprises base 1, guideway, ball screw assembly,, stepper motor, bracing frame, base 1 is established the 3rd guideway 3c, the 4th guideway 3d, the 3rd stepper motor 8c, the 3rd screw pair 2c, and described the 3rd guideway 3c, the 4th guideway 3d and the 3rd ball screw assembly, 2c connect the 3rd transfer table 4; Described the 3rd transfer table 4 is established the first guideway 3b, the first ball screw assembly, 2c, the first stepper motor 8c and the second guideway 3b, the second ball screw assembly, 2b, the second stepper motor 8b, the first guideway 3a, the first ball screw assembly, 2a connect the first transfer table 5a, described the first transfer table 5a connects the first bracing frame 6a, described the second guideway 3b, the second ball screw assembly, 2b connect the second transfer table 5b, described the second transfer table 5b connects the second bracing frame 6b, and described the first bracing frame 5a, the second bracing frame 5b connect respectively first sensor 7a and the second sensor 7b; Described first, second sensor 7a, 7b, first, second, third stepper motor 8a, 8b, 8c connect respectively single-chip microcomputer, and described the first transfer table 5a is parallel with the second transfer table 5b direction of motion, and the first transfer table 5a is vertical with the 3rd transfer table 4 direction of motion.
Sensor is approach switch.Approach switch claims again static position switch, is a kind of detecting instrument of non-contact type, and long, low in energy consumption, the multiple bearing accuracy of reliable operation, life-span is high, operating frequency is high and adapt to the abominable advantages such as working environment.When switch during near bend pipe 9, namely send control signal.Here be used for controlling the start and stop of corresponding stepper motor, detecting sensor zero point is to the distance between the pipe.
The present embodiment single-chip microcomputer is controller AT89C52, and hardware system is mainly by AT89C52,, light-emitting diode display, keyboard and stepper motor driver and moving assembly thereof form.
Ball screw assembly, also has bearing seat.Ball screw assembly, is used for transmission, the relation between ball screw assembly, move distance and the anglec of rotation :-guide screw lead, and the step angle of stepper motor, the parameters such as the step number of stepper motor are used for the computation and measurement result.
Guideway has rolling guide-rail pairs etc., mainly is comprised of guide rail and slide block, because between guide rail and the slide block ball is arranged, friction force is very little.Select secondary the plaing a part of spherical guide to support and rotate.
Stepper motor is the executive component that electric impulse signal is changed into angular displacement.
As shown in Figure 5, first, second, third stepper motor in stepper motor 1, stepper motor 2, the stepper motor 3 corresponding literary compositions.
Such as Fig. 6, at main shaft of pipe bender a scrambler is installed and just can be formed one with the complete Measurement and Control System of feedback, angle measurement unit is exactly the actual angle of measuring bend pipe, and obtain deviation and determine the amount of feeding, the crooked pipe of circulation and measurement pipe angle of bend are until reach precision prescribed.
This real bend pipe angle detection device is not limited to above-mentioned embodiment, adopts the structure identical or approximate with this bend pipe angle detection device above-described embodiment, and other bend pipe angle detection devices that obtain, all within protection scope of the present invention.
Claims (4)
1. bend pipe angle detecting method, during the tube bender crooked pipeline, the one section needs that is bent pipeline are relatively fixing, this section claims canned paragraph, and one section that is bent is called bending section, after bending is complete, another section adjacent with bending section is called the angle section, itself and canned paragraph form certain angle, and this method detects the angle of described angle, it is characterized in that:
Step 1 arranges two sensors on the described angle section of bend pipe side;
Step 2, the described bending section of bend pipe remove the external force resilience stable after, use the first stepper motor and two sensors of the second stepping motor-driven to measure respectively two above difference bit position information of angle section, and positional information mail to single-chip microcomputer, single-chip microcomputer is finished and is calculated and angle information is shown in display;
The process of calculating the bend pipe angle is: establishing the stepper motor step angle is θ
s, stepper motor driven ball screw assembly, helical pitch is P, the measured distance of the first stepper motor is d
1, counter 0 record first step number that stepper motor is walked of single-chip microcomputer is N
1,
D then
1=(P θ
sN
1)/360;
The measured distance of the second stepper motor is d
2, the counter 1 record step number of single-chip microcomputer is N
2,
D then
2=(P θ
sN
2)/360,
Distance between the first stepper motor and the second stepper motor is h, and the bend pipe angle that records is made as a,
Work as d
1D
2, a=arctan[h/(d
1-d
2)]=arctan { 360h/[P θ
s(N
1-N
2)];
Work as d
1=d
2, a=90 °;
Work as d
1＜d
2, a=180-arctan[h/(d
1-d
2)]=180-arctan { 360h/[P θ
s(N
2-N
1)].
2. a bend pipe angle detection device is characterized in that, comprises moving assembly, sensor, display, single-chip microcomputer; Described moving assembly comprises one group of transfer table of stack, and the direction of motion of described transfer table is mutually vertical, and the transfer table that is in the top is provided with sensor; Described moving assembly, sensor, display connect respectively single-chip microcomputer.
3. a kind of bend pipe angle detection device as claimed in claim 2, it is characterized in that, described moving assembly also comprises base, guideway, ball screw assembly,, stepper motor, bracing frame, described base is established the 3rd guideway, the 4th guideway, the 3rd stepper motor, the 3rd feed screw nut pair, and described the 3rd guideway, the 4th guideway and the 3rd ball screw assembly, connect the 3rd transfer table; Described the 3rd transfer table is established the first guideway, the first ball screw assembly,, the first stepper motor and the second guideway, the second ball screw assembly,, the second stepper motor, described the first guideway, the first ball screw assembly, connect the first transfer table, described the first transfer table connects the first bracing frame, described the second guideway, the second ball screw assembly, connect the second transfer table, described the second transfer table connects the second bracing frame, and described the first bracing frame, the second bracing frame connect respectively first sensor and the second sensor; Described first, second sensor, first, second, third stepper motor connects respectively single-chip microcomputer, and described the first transfer table is parallel with the second transfer table direction of motion, and the first transfer table is vertical with the 3rd transfer table direction of motion.
4. such as claim 2 and 3 described a kind of bend pipe angle detection devices, it is characterized in that, described sensor is approach switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100003433A CN103063188A (en) | 2013-01-01 | 2013-01-01 | Method and device of elbow pipe angle detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100003433A CN103063188A (en) | 2013-01-01 | 2013-01-01 | Method and device of elbow pipe angle detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103063188A true CN103063188A (en) | 2013-04-24 |
Family
ID=48105918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100003433A Pending CN103063188A (en) | 2013-01-01 | 2013-01-01 | Method and device of elbow pipe angle detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103063188A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059841A (en) * | 2018-07-27 | 2018-12-21 | 合肥和瑞机械制造有限公司 | A kind of bend pipe angle detection device |
| CN110076241A (en) * | 2019-03-05 | 2019-08-02 | 台州市楷毅通信技术有限公司 | A kind of bending rebound intelligent compensation apparatus, the progressive die and bending springback compensation method |
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| CN87215250U (en) * | 1987-12-28 | 1988-11-16 | 刘星达 | Angle measuring instrument for bent pipe |
| JPH06186032A (en) * | 1992-06-16 | 1994-07-08 | Konoike Constr Ltd | Measuring method for relative displacement and its device |
| JP2003254745A (en) * | 2002-03-05 | 2003-09-10 | Yazaki Corp | Absolute rudder angle sensor |
| JP2007263693A (en) * | 2006-03-28 | 2007-10-11 | Jtekt Corp | Steering angle detector |
| CN201355439Y (en) * | 2009-02-27 | 2009-12-02 | 重庆工学院 | Numerical control turntable for Point position control time fence |
| CN101813466A (en) * | 2010-04-01 | 2010-08-25 | 江苏大学 | Device and method for measuring outer inclination angle of vehicle tyre |
| CN102120230A (en) * | 2010-12-03 | 2011-07-13 | 长沙中联重工科技发展股份有限公司 | Device and method for measuring bending angle of bent piece |
| CN102494604A (en) * | 2011-11-25 | 2012-06-13 | 李瑜芳 | Detection instrument for characteristic of angular transducer |
| CN102538711A (en) * | 2011-03-17 | 2012-07-04 | 北京国科世纪激光技术有限公司 | Device and method for measuring deflection angle of polarized beam splitter (PBS) polarization membrane surface |
| CN203375959U (en) * | 2013-08-14 | 2014-01-01 | 胡竟湘 | An elbow pipe angle detection device |
-
2013
- 2013-01-01 CN CN2013100003433A patent/CN103063188A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87215250U (en) * | 1987-12-28 | 1988-11-16 | 刘星达 | Angle measuring instrument for bent pipe |
| JPH06186032A (en) * | 1992-06-16 | 1994-07-08 | Konoike Constr Ltd | Measuring method for relative displacement and its device |
| JP2003254745A (en) * | 2002-03-05 | 2003-09-10 | Yazaki Corp | Absolute rudder angle sensor |
| JP2007263693A (en) * | 2006-03-28 | 2007-10-11 | Jtekt Corp | Steering angle detector |
| CN201355439Y (en) * | 2009-02-27 | 2009-12-02 | 重庆工学院 | Numerical control turntable for Point position control time fence |
| CN101813466A (en) * | 2010-04-01 | 2010-08-25 | 江苏大学 | Device and method for measuring outer inclination angle of vehicle tyre |
| CN102120230A (en) * | 2010-12-03 | 2011-07-13 | 长沙中联重工科技发展股份有限公司 | Device and method for measuring bending angle of bent piece |
| CN102538711A (en) * | 2011-03-17 | 2012-07-04 | 北京国科世纪激光技术有限公司 | Device and method for measuring deflection angle of polarized beam splitter (PBS) polarization membrane surface |
| CN102494604A (en) * | 2011-11-25 | 2012-06-13 | 李瑜芳 | Detection instrument for characteristic of angular transducer |
| CN203375959U (en) * | 2013-08-14 | 2014-01-01 | 胡竟湘 | An elbow pipe angle detection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059841A (en) * | 2018-07-27 | 2018-12-21 | 合肥和瑞机械制造有限公司 | A kind of bend pipe angle detection device |
| CN110076241A (en) * | 2019-03-05 | 2019-08-02 | 台州市楷毅通信技术有限公司 | A kind of bending rebound intelligent compensation apparatus, the progressive die and bending springback compensation method |
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Owner name: HUNAN INSTITUTE OF ENGINEERING Free format text: FORMER OWNER: HU JINGXIANG Effective date: 20140310 Free format text: FORMER OWNER: LIU WEICHENG LIU WEIWEN MO DENGXIAN YAN CHUNDONG ZHU MIN Effective date: 20140310 |
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Effective date of registration: 20140310 Address after: 411101 Hunan Province, Xiangtan city Yuetang District College Road No. 17, Hunan Institute of Engineering (Southern Institute of Mechanical Engineering) Applicant after: Hunan Institute Of Engineering Address before: 411101 Hunan Province, Xiangtan city Yuetang xiashesi Hunan Institute of Engineering (Southern Institute of Mechanical Engineering) Applicant before: Hu Jingxiang Applicant before: Liu Weicheng Applicant before: Liu Weiwen Applicant before: Mo Dengxian Applicant before: Yan Chundong Applicant before: Zhu Min |
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Application publication date: 20130424 |