CN112536344B - Panel angle control system of bending - Google Patents
Panel angle control system of bending Download PDFInfo
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- CN112536344B CN112536344B CN202011207269.9A CN202011207269A CN112536344B CN 112536344 B CN112536344 B CN 112536344B CN 202011207269 A CN202011207269 A CN 202011207269A CN 112536344 B CN112536344 B CN 112536344B
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- bending
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- base
- angle
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- 238000005452 bending Methods 0.000 title claims abstract description 74
- 238000004891 communication Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/004—Bending sheet metal along straight lines, e.g. to form simple curves with program control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/006—Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a panel bending angle control system which adopts the technical scheme that the system comprises a base, a bending knife and a position ruler, wherein the position ruler is arranged on the base and is used for measuring the real-time distance H between the lower end of the bending knife and the base; the base is provided with a laser range finder for measuring the real-time distance L between the side surface of the plate and the base; the distance between the optical distance measuring instrument and the position ruler is A, and the thickness of the plate is U; the position ruler and the laser range finder are connected with a microprocessor, and the microprocessor converts the distance H, the distance L, the distance A and the bending angle beta according to a thickness U trigonometric function formula; the microprocessor is connected with a driving assembly of the bending knife, and when the bending angle beta is smaller than or equal to the preset angle alpha, the microprocessor controls the driving assembly to stop.
Description
Technical Field
The invention relates to the field of steel plate bending forming processing, in particular to a plate bending angle control system.
Background
A bending machine is a machine capable of bending a thin plate. When the bending machine is used, a thin plate to be bent is placed on a workbench, and is bent downwards by a bending knife (an upper die) and a lower bending die together. The hydraulic bending machine has the advantages of simple operation, low cost and high response speed, so that the hydraulic bending machine is widely applied to workpiece bending operation.
The angle of bending is predetermine to current panel bender many, and the bender is bent the operation, and because the old and old of equipment use, the mould damages for the effect error increase of bending in later stage, current panel bender are the open loop system mostly, and the degree of difficulty is fed back the data of the in-process of bending, makes the error of bending increase of bender.
Disclosure of Invention
The invention aims to provide a plate bending angle control system, which can obtain data of angle change of a plate in a bending process by utilizing real-time detection of the position of the plate and transformation of a trigonometric function through a microprocessor.
The technical purpose of the invention is realized by the following technical scheme:
a panel bending angle control system comprises a base, a bending knife and a position ruler, wherein the position ruler is installed on the base and used for measuring a real-time distance H between the lower end of the bending knife and the base; the base is provided with a laser range finder for measuring the real-time distance L between the side surface of the plate and the base; the distance between the laser range finder and the position ruler is A, and the thickness of the plate is U; the position ruler and the laser range finder are connected with a microprocessor, and the microprocessor converts the distance H, the distance L, the distance A and the thickness U into a bending angle beta according to a trigonometric function formula; the microprocessor is connected with a driving assembly of the bending knife, and when the bending angle beta is smaller than or equal to the preset angle alpha, the microprocessor controls the driving assembly to stop.
Preferably, the trigonometric function formula comprises: β =2 × arctana/(L-H + U).
Preferably, the microprocessor is connected with an input module and an output assembly;
the input module is used for inputting the thickness of the plate and a preset angle alpha;
the output assembly comprises a display module, and the display module is used for displaying the angle difference of the beta-alpha.
Preferably, the position ruler is vertically arranged, and the light source of the laser range finder is vertically arranged upwards.
Preferably, the driving assembly comprises a deceleration module connected with the microprocessor;
when the angle difference of the beta-alpha is smaller than the gamma degree, the gamma angle is 3 degrees, the speed reducing module sends out an electric signal, and the driving assembly reduces the descending speed of the bending knife by 70-95%.
Preferably, the drive assembly is a hydraulic cylinder assembly.
Preferably, the output assembly is communicated with a wireless communication module;
the output component is connected with the mobile terminal through the wireless communication module to upload the angle difference of the beta-alpha to the cloud database.
In conclusion, the invention has the following beneficial effects: the bending machine is used for bending the plate, the bending machine is connected with a microprocessor, the microprocessor is connected with the bending machine through a data line, the microprocessor is connected with the data line, the data line is connected with the bending machine through a data line, the data line is connected with the data line, and the data line is connected with the bending machine through a data line.
The angle of bending through the conversion reality controls the stopping of bender in this scheme, an advantage has lies in, when the mould of bending takes place wearing and tearing, the bender in-process, the stroke that the sword of bending pushed down can not reach and change the stroke because of the angle of bending, thereby obtain qualified panel of bending, this has just distinguished traditional equipment of bending, traditional equipment of bending is set for the sword of bending and pushes down fixed stroke, even also keep original stroke of pushing down after the grinding apparatus wearing and tearing, panel after obviously bending like this is the angle defect.
All install on the base of optical range finder and position chi, the purpose adopts unified reference surface to carry out the measurement of two distances, and the angle of microprocessing conversion is more accurate like this, and the angle of buckling is also more accurate of course.
Drawings
FIG. 1 is the position relationship between the bending die and the position ruler and the laser range finder in the embodiment;
FIG. 2 is a block diagram showing a control system in the embodiment;
fig. 3 is a flowchart of a control method in the embodiment.
In the figure: 1. a base; 2. bending a knife; 3. a laser range finder; 4. a position ruler; 5. a plate material.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Embodiment, a bending angle control system of a plate 5 is shown in figures 1-3,
the bending device comprises a base 1, wherein a lower die is placed on the base 1, and a bending knife 2 (an upper die) and the base 1 are both installed on a bending machine;
a position ruler 4 is installed on the base 1, the position ruler 4 is a stroke measuring instrument, other measuring instruments can be used for replacing the stroke measuring instrument in other embodiments, and the upper end of the position ruler 4 is fixedly connected with the bending knife 2;
the position ruler 4 sets a standby position initial point of the bending knife 2, the actual initial distance between the initial point and the base 1 can be recorded in the microprocessor, and then when the position ruler 4 moves down along with the bending knife 2, the actual distance of the downward movement of the position ruler 4 is subtracted from the initial distance, so that the real-time distance H between the lower end of the bending knife 2 and the base 1 can be obtained;
a vertical laser range finder 3 is arranged on the base 1, and the laser range finder 3 measures the actual distance L from the lower surface of the plate 5 to the base 1;
the thickness U of the plate 5 can be input into a microprocessor in advance, and the microprocessor comprises a storage introduction;
the distance between the laser range finder 3 and the position ruler 4 is a, since the laser range finder 3 and the position ruler 4 are fixed, a is kept constant;
the microprocessor comprises the following steps through a trigonometric function formula: β =2 × arctana/(L-H + U), and the actual bending angle β of the plate 5 can be directly converted.
And comparing the bending angle beta with the preset angle alpha, and stopping the driving assembly when the bending angle beta is less than or equal to the preset angle alpha.
The driving assembly is used for controlling the bending knife 2 to move up and down, a hydraulic system is adopted for controlling the driving assembly in the embodiment, the driving assembly naturally comprises a hydraulic cylinder assembly and a speed reducing module, the speed reducing module is an electromagnetic valve, the electromagnetic valve is a throttle valve, and the electromagnetic valve is connected with a microprocessor and controls the speed and the speed of the stroke movement of the hydraulic cylinder assembly;
the microprocessor is connected with an input module preset angle alpha and the thickness U of the plate 5;
the output assembly comprises a display module, and the display module is used for displaying the angle difference of the beta-alpha.
When the angle difference of the beta-alpha is smaller than the gamma angle, the gamma angle is 3 degrees, the speed reducing module sends an electric signal, the driving assembly reduces the reduction rate of the bending knife 2 by 90 percent, namely the actual movement rate of the bending machine is only 10 percent of the conventional rate, and the purpose is mainly to reduce the influence of inertia on the bending precision of the plate 5.
The output component is communicated with a wireless communication module; the output assembly is connected with the mobile terminal through the wireless communication module to upload the angle difference of beta-alpha to the cloud database, and an operator can call data in the cloud database through a mobile phone to remotely check the bending precision condition of the single-day plate 5.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention should also be considered as within the scope of the present invention.
Claims (4)
1. The utility model provides a panel bending angle control system which characterized by: the device comprises a base (1), a bending knife (2) and a position ruler (4) which is arranged on the base (1) and is used for measuring the real-time distance H between the lower end of the bending knife (2) and the base (1);
the base (1) is provided with a laser range finder (3) for measuring the real-time distance L between the side surface of the plate (5) and the base (1);
the distance between the laser range finder (3) and the position ruler (4) is A, and the thickness of the plate (5) is U;
the position ruler (4) and the laser range finder (3) are both connected with a microprocessor, and the microprocessor converts the distance H, the distance L, the distance A and the thickness U into a bending angle beta according to a trigonometric function formula;
the microprocessor is connected with a driving assembly of the bending knife (2), and when the bending angle beta is smaller than or equal to a preset angle alpha, the microprocessor controls the driving assembly to stop;
the microprocessor is connected with an input module and an output assembly;
the input module is used for inputting the thickness U and the preset angle alpha of the plate (5);
the output assembly comprises a display module, and the display module is used for displaying the angle difference of beta-alpha;
the position ruler (4) is vertically arranged, and the light source of the laser range finder (3) is vertically arranged upwards; the trigonometric function formula includes: β =2 × arctana/(L-H + U).
2. The sheet bending angle control system according to claim 1, wherein: the driving assembly comprises a speed reducing module connected with the microprocessor;
when the angle difference of the beta-alpha is smaller than the gamma degree, the gamma angle is 3 degrees, the speed reducing module sends out an electric signal, and the driving assembly reduces the reduction rate of the bending knife (2) by 70-95%.
3. The sheet bending angle control system according to claim 2, wherein: the driving assembly is a hydraulic cylinder assembly.
4. The sheet bending angle control system according to claim 1, wherein: the output component is communicated with a wireless communication module;
the output component is connected with the mobile terminal through the wireless communication module and uploads the angle difference of beta-alpha to the cloud database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207269.9A CN112536344B (en) | 2020-11-03 | 2020-11-03 | Panel angle control system of bending |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207269.9A CN112536344B (en) | 2020-11-03 | 2020-11-03 | Panel angle control system of bending |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112536344A CN112536344A (en) | 2021-03-23 |
| CN112536344B true CN112536344B (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011207269.9A Active CN112536344B (en) | 2020-11-03 | 2020-11-03 | Panel angle control system of bending |
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| Country | Link |
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| CN (1) | CN112536344B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11185951B2 (en) * | 2019-06-06 | 2021-11-30 | Fox Hardwood Lumber Company, L.L.C. | Method of manufacturing a curved brace |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2044199C3 (en) * | 1970-09-07 | 1974-12-05 | Karl Mengele & Soehne Maschinenfabrik Und Eisengiesserei Guenzburg-Donau, 8870 Guenzburg | Angle measuring and control device on bending machines, in particular free bending machines |
| DE3216053A1 (en) * | 1982-04-29 | 1983-11-03 | Karl Mengele & Söhne Maschinenfabrik und Eisengießerei GmbH & Co, 8870 Günzburg | OPTOELECTRONIC MEASURING METHOD AND DEVICE FOR CARRYING OUT THE METHOD |
| JPH07116737A (en) * | 1993-10-19 | 1995-05-09 | Komatsu Ltd | Instrument for measuring bending angle |
| JP3710266B2 (en) * | 1997-08-22 | 2005-10-26 | 株式会社小松製作所 | Final driving position estimation method, bending method and bending apparatus using the same |
| CN2557262Y (en) * | 2002-06-27 | 2003-06-25 | 南京埃斯顿工业自动化有限公司 | Real time on-line angle automatic metering device in bending |
| PT1961502E (en) * | 2007-02-23 | 2014-11-06 | Bystronic Laser Ag | Method and device for bending workpieces |
| CN101655703B (en) * | 2009-08-05 | 2013-03-13 | 无锡信捷电气有限公司 | Numerical control bender control system |
| CN109278043A (en) * | 2018-08-30 | 2019-01-29 | 成都卡诺普自动化控制技术有限公司 | A kind of industrial robot bending follower method |
| CN109590356B (en) * | 2019-01-30 | 2020-06-16 | 福建渃博特自动化设备有限公司 | Bending following method and terminal |
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2020
- 2020-11-03 CN CN202011207269.9A patent/CN112536344B/en active Active
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| CN112536344A (en) | 2021-03-23 |
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Address after: Room 638, Floor 1, Building 3, No. 69, Aoti Street, Jianye District, Nanjing City, Jiangsu Province, 210000 Applicant after: Jiangsu Weilaite Technology Co.,Ltd. Address before: 210012-044, floor 4, building 8, yunmi City, No.19, ningshuang Road, Yuhuatai District, Nanjing City, Jiangsu Province Applicant before: Nanjing fanduo Intelligent Technology Co.,Ltd. |
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Effective date of registration: 20231225 Address after: 243131 No. 1016 Dongcheng Road, Bowang Town, Bowang District, Ma'anshan City, Anhui Province Patentee after: MAANSHAN yuechuang Technology Co.,Ltd. Address before: Room 638, Floor 1, Building 3, No. 69, Aoti Street, Jianye District, Nanjing City, Jiangsu Province, 210000 Patentee before: Jiangsu Weilaite Technology Co.,Ltd. |
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