CN108990402B - Intelligent magnetic shielding device - Google Patents
Intelligent magnetic shielding device Download PDFInfo
- Publication number
- CN108990402B CN108990402B CN201810915074.6A CN201810915074A CN108990402B CN 108990402 B CN108990402 B CN 108990402B CN 201810915074 A CN201810915074 A CN 201810915074A CN 108990402 B CN108990402 B CN 108990402B
- Authority
- CN
- China
- Prior art keywords
- silicon steel
- steel sheet
- layer silicon
- magnetic field
- outer layer
- 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.)
- Active
Links
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 82
- 238000003466 welding Methods 0.000 claims abstract description 33
- 238000010894 electron beam technology Methods 0.000 claims abstract description 31
- 230000007613 environmental effect Effects 0.000 claims abstract description 15
- 239000002356 single layer Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 80
- 230000008859 change Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0069—Methods for measuring the shielding efficiency; Apparatus therefor; Isolation container for testing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0075—Magnetic shielding materials
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention belongs to welding fields, more particularly to a kind of intelligent magnetic shielding device for electron beam welding, including test section, shielding part and control unit, its structure that shielding case can be adjusted according to the complexity of electron beam process and the intensity of environmental magnetic field, electronic mandril is controlled to stretch to make ectonexine silicon steel sheet nesting be combined into single layer structure or multilayered structure, different shielding demands is realized with this, to guarantee stability-of-path when electron beam process, the precision of welding is high.
Description
Technical Field
The invention belongs to the field of welding, and particularly relates to an intelligent magnetic shielding device for electron beam welding.
Background
The one-gun multi-beam electron beam welding technology is to make electron beams move rapidly at different positions through the control of a magnetic field, and the moving frequency is high to generate a multi-beam effect, so that materials or structures are processed and processed. The vacuum electron beam welding has strict requirements on magnetic fields, and the motion charges are interfered by an environmental magnetic field or a workpiece magnetic field to generate track deflection. Patent CN105228433A of west ann aviation power limited provides a magnetic field shielding method, but the method is only suitable for single beam electron beam processing.
Disclosure of Invention
The invention provides an intelligent magnetic shielding device for welding one gun with multiple beams of electron beams, which can reduce or eliminate the influence of an environmental magnetic field on the electron beams, so that the electron beams have stable tracks and high welding precision.
The device comprises a detection part, a shielding cover body and a control part, wherein the control part controls and adjusts the structure of the shielding cover body according to the intensity of an environmental magnetic field acquired by the detection part and the complexity of welding processing;
the detection section includes:
the magnetic field detector is arranged on the shell of the electron beam welding machine and used for detecting the strength and the change of an environmental magnetic field;
the data acquisition unit is in communication connection with a control system of the electron beam welding machine and is used for acquiring the number of lines of the numerical control program of the current welding processing;
the shield cover body includes:
the first inner layer silicon steel sheet and the second inner layer silicon steel sheet are of solid structures;
the outer-layer silicon steel sheet is of a hollow structure with a sliding groove;
one end of the electric ejector rod is connected with the motor, and the other end of the electric ejector rod is connected with the outer layer silicon steel sheet;
the motor is arranged on the inner wall of the electron beam welding machine and used for driving the electric ejector rod to extend or shorten;
the inner layer silicon steel sheet and the outer layer silicon steel sheet are sleeved together to form a cylindrical magnetic shielding cover together; when the electric ejector rod extends to push the first outer layer silicon steel sheet and the second outer layer silicon steel sheet to polymerize towards the inside, the first inner layer silicon steel sheet and the second inner layer silicon steel sheet are inserted into the first outer layer silicon steel sheet and the second outer layer silicon steel sheet along the sliding groove of the outer layer silicon steel sheet, so that a double-layer cylindrical shielding structure is formed; when the electric ejector rod is shortened to pull the first outer layer silicon steel sheet and the first outer layer silicon steel sheet, the two outer layer silicon steel sheets are far away from each other, and therefore the adjacent outer layer silicon steel sheets and the adjacent inner layer silicon steel sheets are nested in pairs to form a single-layer cylindrical shielding structure with a larger diameter;
the control section is configured to:
(1) when the magnetic field detector detects that the intensity of the environmental magnetic field is greater than or equal to a first intensity value, the motor is controlled to drive the electric ejector rod to extend, the first outer layer silicon steel sheet and the second outer layer silicon steel sheet are pushed, and a double-layer cylindrical shielding structure is formed to improve the magnetic shielding performance;
(2) when the magnetic field detector detects that the intensity of the ambient magnetic field is smaller than a first intensity value but the intensity of the magnetic field is unstable, namely the change rate and/or the change frequency of the intensity of the magnetic field is larger than a preset value, the motor is controlled to drive the electric ejector rod to extend, the first outer layer silicon steel sheet and the second outer layer silicon steel sheet are pushed to form a double-layer cylindrical shielding structure, and stable magnetic shielding performance is provided to correspond to possible sudden increase of the ambient magnetic field;
(3) when the magnetic field detector detects that the intensity of the environmental magnetic field is smaller than a first intensity value and the change rate and/or the change frequency of the magnetic field is smaller than a preset value, further judgment is carried out according to the number of the numerical control program of the current welding process acquired by the data acquisition unit;
(4) when the number of rows is larger than or equal to the numerical value of the first row, the path of electron beam processing is complex, so that a larger processing space is needed, and at the moment, the control motor drives the electric ejector rod to shorten, and pulls the first and second outer-layer silicon steel sheets to form a single-layer cylindrical shielding structure so as to obtain a larger processing space;
when the number of lines is smaller than the first line value, the electron beam machining path is simple, and in order to ensure the magnetic shielding effect, the motor is controlled to drive the electric ejector rod to extend, so that the first outer layer silicon steel sheet and the second outer layer silicon steel sheet are pushed, and a double-layer cylindrical shielding structure is formed.
The invention has the beneficial effects that: the invention can control the shielding part to adjust the structure of the shielding device according to different conditions, so that the electron beam track is stable and the welding precision is high.
Drawings
FIG. 1 shows a single layer structure of a shield can;
FIG. 2 shows a double layer structure of a shield can;
FIG. 3 shows a block diagram of an electron beam welder;
fig. 4 shows a control flow chart.
Detailed Description
The structure of the present system and the functions performed are described in detail below with reference to the accompanying drawings.
The intelligent magnetic shielding device for welding a plurality of gun beams by electron beams comprises a detection part, a shielding part and a control part, wherein the control part controls and adjusts the structure of the shielding part according to the intensity of an environmental magnetic field acquired by the detection part and the complexity of welding processing; wherein,
the detection section includes:
the magnetic field detector 11 is arranged on the shell of the electron beam welding machine 4 and is used for detecting the strength and the change of an environmental magnetic field;
the data acquisition unit is in communication connection with the control system of the electron beam welding machine 4 and is used for acquiring the number of lines of the numerical control program of the current welding processing;
the shielding part includes:
a cover 21, comprising:
the first inner layer silicon steel sheet 211 and the second inner layer silicon steel sheet 212 are solid structures;
the first outer layer silicon steel sheet 213 and the second outer layer silicon steel sheet 214 are hollow structures with sliding grooves;
the inner layer silicon steel sheet and the outer layer silicon steel sheet are sleeved together two by two to form a cylindrical magnetic shielding cover together; the outer silicon steel sheet is respectively connected with the electric push rods 221 and 222, and the first outer silicon steel sheet 213 and the second outer silicon steel sheet 214 are pushed to polymerize inwards by the extension of the electric push rods 22, so that the first and second inner silicon steel sheets 231 and 232 are inserted into the first and second outer silicon steel sheets 233 and 234 along the sliding grooves of the outer silicon steel sheets to form a double-layer cylindrical shielding case structure; the first and second outer-layer silicon steel sheets 233 and 234 are pulled by retracting the electric ejector rod 22, so that the two outer-layer silicon steel sheets are separated to pull the first and second inner-layer silicon steel sheets 231 and 232 to extend, and the adjacent outer-layer silicon steel sheets and the inner-layer silicon steel sheets are nested in pairs to form a single-layer cylindrical shielding case with a large space;
one end of the electric ejector rod 22 is connected with the motor 23, and the other end of the electric ejector rod is connected with the cover body 21 and used for changing the telescopic state of the electric ejector rod into the reduction or expansion of the shielding cover;
the motor 23 is arranged on the inner wall of the electron beam welding machine 4 and used for driving the electric ejector rod 22;
the control section is configured to:
(1) when the magnetic field detector 11 detects that the intensity of the environmental magnetic field is greater than or equal to the first intensity value, the control motor 23 drives the electric ejector rod 22 to extend out to push the first and second outer silicon steel sheets 213 and 214, so that the first and second inner silicon steel sheets 211 and 212 are inserted into the first and second outer silicon steel sheets 213 and 214, two ends of the outer silicon steel sheets are closed to form an outer cylindrical shielding case, and the inner silicon steel sheets are closed in the outer cylindrical shielding case to form an inner shielding case, thereby forming a double-layer cylindrical shielding case and improving the shielding performance;
(2) when the magnetic field detector detects that the intensity of the ambient magnetic field is smaller than a first intensity value but the intensity of the magnetic field is unstable, namely the change rate and/or the change frequency of the intensity of the magnetic field is larger than a preset value, the motor is controlled to drive the electric ejector rod to extend, the first outer layer silicon steel sheet and the second outer layer silicon steel sheet are pushed to form a double-layer cylindrical shielding structure, and stable magnetic shielding performance is provided to correspond to possible sudden increase of the ambient magnetic field;
(3) when the magnetic field detector detects that the intensity of the environmental magnetic field is smaller than a first intensity value and the change rate and/or the change frequency of the magnetic field is smaller than a preset value, further judgment is carried out according to the number of the numerical control program of the current welding process acquired by the data acquisition unit;
(4) when the number of lines of the numerical control program of the current welding processing of the electron beam welding machine 4 is larger than or equal to the first line numerical value, the path of the electron beam processing is complex, and a large space is needed for processing, at the moment, the control motor 23 drives the electric ejector rod 22 to retract, and pulls the first and second outer-layer silicon steel sheets 213 and 214, so that the first and second inner-layer silicon steel sheets 211 and 212 are extended, and the inner and outer-layer silicon steel sheets are nested into a single-layer cylindrical shielding case with a large space; when the number of rows of the numerical control program of current welding processing is less than the numerical value of the first row, it indicates that the path of electron beam processing is simple, and there is no requirement for the size of the processing space, and in order to ensure better shielding effect, the control motor 21 drives the electric ejector rod 22 to extend out at this moment, and pushes the first and second outer silicon steel sheets 213 and 214, so that the first and second inner silicon steel sheets 211 and 212 are inserted into the first and second outer silicon steel sheets 213 and 214, thereby forming a double-layer cylindrical shielding case.
It will be appreciated by persons skilled in the art that numerous variations and/or modifications may be made to the invention as shown in the specific embodiments without departing from the spirit or scope of the invention as broadly described. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. Likewise, the invention encompasses any combination of features, in particular of features in the patent claims, even if this feature or this combination of features is not explicitly specified in the patent claims or in the individual embodiments herein.
Claims (1)
1. An intelligent magnetic shielding device is used for electron beam welding equipment and comprises a detection part, a shielding cover body and a control part, wherein the control part controls and adjusts the structure of the shielding cover body according to the intensity of an environmental magnetic field acquired by the detection part and the complexity of welding processing; it is characterized in that the preparation method is characterized in that,
the detection section includes:
the magnetic field detector is arranged on the shell of the electron beam welding machine and used for detecting the strength and the change of an environmental magnetic field;
the data acquisition unit is in communication connection with a control system of the electron beam welding machine and is used for acquiring the number of lines of the numerical control program of the current welding processing;
the shield cover body includes:
the first inner layer silicon steel sheet and the second inner layer silicon steel sheet are of solid structures;
the outer-layer silicon steel sheet is of a hollow structure with a sliding groove;
one end of the electric ejector rod is connected with the motor, and the other end of the electric ejector rod is connected with the outer layer silicon steel sheet;
the motor is arranged on the inner wall of the electron beam welding machine and used for driving the electric ejector rod to extend or shorten;
the inner layer silicon steel sheet and the outer layer silicon steel sheet are sleeved together to form a cylindrical magnetic shielding cover together; when the electric ejector rod extends to push the first outer layer silicon steel sheet and the second outer layer silicon steel sheet to polymerize towards the inside, the first inner layer silicon steel sheet and the second inner layer silicon steel sheet are inserted into the first outer layer silicon steel sheet and the second outer layer silicon steel sheet along the sliding groove of the outer layer silicon steel sheet, so that a double-layer cylindrical shielding structure is formed; when the electric ejector rod is shortened to pull the first outer layer silicon steel sheet and the first outer layer silicon steel sheet, the two outer layer silicon steel sheets are far away from each other, and therefore the adjacent outer layer silicon steel sheets and the adjacent inner layer silicon steel sheets are nested in pairs to form a single-layer cylindrical shielding structure with a larger diameter;
the control section is configured to:
(1) when the magnetic field detector detects that the intensity of the environmental magnetic field is greater than or equal to a first intensity value, the motor is controlled to drive the electric ejector rod to extend, the first outer layer silicon steel sheet and the second outer layer silicon steel sheet are pushed, and a double-layer cylindrical shielding structure is formed to improve the magnetic shielding performance;
(2) when the magnetic field detector detects that the intensity of the ambient magnetic field is smaller than a first intensity value but the intensity of the magnetic field is unstable, namely the change rate and/or the change frequency of the intensity of the magnetic field is larger than a preset value, the motor is controlled to drive the electric ejector rod to extend, the first outer layer silicon steel sheet and the second outer layer silicon steel sheet are pushed to form a double-layer cylindrical shielding structure, and stable magnetic shielding performance is provided to correspond to possible sudden increase of the ambient magnetic field;
(3) when the magnetic field detector detects that the intensity of the environmental magnetic field is smaller than a first intensity value and the change rate and/or the change frequency of the magnetic field is smaller than a preset value, further judgment is carried out according to the number of the numerical control program of the current welding process acquired by the data acquisition unit;
(4) when the number of rows is larger than or equal to the numerical value of the first row, the path of electron beam machining is complex, at the moment, the control motor drives the electric ejector rod to shorten, and the first outer-layer silicon steel sheet and the second outer-layer silicon steel sheet are pulled to form a single-layer cylindrical shielding structure so as to obtain a larger machining space;
when the number of lines is smaller than the first line value, the electron beam machining path is simple, and in order to ensure the magnetic shielding effect, the motor is controlled to drive the electric ejector rod to extend, so that the first outer layer silicon steel sheet and the second outer layer silicon steel sheet are pushed, and a double-layer cylindrical shielding structure is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810915074.6A CN108990402B (en) | 2018-08-13 | 2018-08-13 | Intelligent magnetic shielding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810915074.6A CN108990402B (en) | 2018-08-13 | 2018-08-13 | Intelligent magnetic shielding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108990402A CN108990402A (en) | 2018-12-11 |
| CN108990402B true CN108990402B (en) | 2019-11-12 |
Family
ID=64553090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810915074.6A Active CN108990402B (en) | 2018-08-13 | 2018-08-13 | Intelligent magnetic shielding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108990402B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449775B (en) * | 2019-06-26 | 2021-05-04 | 新疆众和股份有限公司 | Welding method of parallel buses |
| CN118921976B (en) * | 2024-10-12 | 2024-12-17 | 杭州积海半导体有限公司 | Magnetic shield assembly and semiconductor manufacturing apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203691859U (en) * | 2014-01-20 | 2014-07-02 | 中国船舶重工集团公司第七一六研究所 | Dual-layer shielding cover with electromagnetic shielding function |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100325969B1 (en) * | 1993-01-15 | 2002-08-08 | 더 비오씨 그룹 인코포레이티드 | Sputtering Device and Cylindrical End Protection Device Formation Method and Sputter Etching Method |
| CN104049229B (en) * | 2014-05-28 | 2017-01-18 | 苏州中盛纳米科技有限公司 | Method for generating standard high frequency alternating magnetic field |
| CN105228433A (en) * | 2014-07-02 | 2016-01-06 | 西安航空动力股份有限公司 | A kind of method for vacuum electron beam welder magnetic field shielding |
| CN204347065U (en) * | 2015-01-30 | 2015-05-20 | 国家电网公司 | Metal zinc oxide lightning arrester all presses shield assembly |
| CN106843366B (en) * | 2016-11-29 | 2018-07-17 | 北京原力辰超导技术有限公司 | A kind of magnetic field adjusting device and method |
-
2018
- 2018-08-13 CN CN201810915074.6A patent/CN108990402B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203691859U (en) * | 2014-01-20 | 2014-07-02 | 中国船舶重工集团公司第七一六研究所 | Dual-layer shielding cover with electromagnetic shielding function |
Non-Patent Citations (1)
| Title |
|---|
| 《电子束运动轨迹偏转控制技术研究》;张永和等;《制造技术研究》;20140825(第4期);第67-72页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108990402A (en) | 2018-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108990402B (en) | Intelligent magnetic shielding device | |
| CN108746976B (en) | Anti-magnetic interference device for electron beam welding | |
| CN106555795B (en) | a telescopic rod | |
| CN104112642A (en) | Ion guide device and ion guide method | |
| CN106436011B (en) | End surface horizontal type three-dimensional braiding machine and robot core mold traction system thereof | |
| CN105764230B (en) | Accelerating tube, the method and clinac for accelerating charged particle | |
| CN108746975B (en) | Magnetic shielding system for electron beam welding | |
| CN104038157A (en) | Magnetically insulated transmission line oscillator | |
| US3626305A (en) | High energy ion accelerator | |
| CN109110162A (en) | A kind of in-orbit tunable arrangement of separating rate and preparation method thereof | |
| Sotnikov et al. | Coaxial two-channel high-gradient dielectric wakefield accelerator | |
| KR101516255B1 (en) | Pipe Painting Apparatus | |
| CN216982176U (en) | Alternating phase focusing drift tube accelerator | |
| CN207645330U (en) | Two-way gap changing device | |
| RU2622121C2 (en) | System of positioning device sectors for producing aircraft fuselage | |
| US20120125066A1 (en) | Feed drive for a cold pilgering mill | |
| CN211761147U (en) | Flexible intelligent precise assembly platform with six degrees of freedom | |
| CN103823413B (en) | A kind of speed planning method | |
| CN215640589U (en) | Dynamic fatigue mechanical property test system for large bridge component | |
| RU2761460C1 (en) | Collector with multi-stage recovery for an electronic gyrotron-type uhf apparatus | |
| CN112845955A (en) | Semi-rigid radio frequency coaxial cable three-dimensional forming equipment and working method thereof | |
| EP3749065B1 (en) | Electron radiation system | |
| CN110018222B (en) | Sample testing device taking helium microdroplet as carrier | |
| DE873594C (en) | Arrangement to limit the trajectory of cargo carriers to a prescribed target path area | |
| CN106876242B (en) | Ion transmits focusing 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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191009 Address after: 317600 No.77 Xinzhou Road, Yucheng street, Yuhuan City, Taizhou City, Zhejiang Province Applicant after: Yuhuan Ruisheng Automation Technology Co., Ltd. Address before: 230088 Kun Peng science and Technology Industrial Park, 539 Wangjiang West Road, Hefei High-tech Zone, Anhui Applicant before: Hefei AI pate Intellectual Property Operation Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200925 Address after: No.23, Zhaoyang West Village, Xinghua City, Taizhou City, Jiangsu Province Patentee after: Huang Aimin Address before: 317600 No.77 Xinzhou Road, Yucheng street, Yuhuan City, Taizhou City, Zhejiang Province Patentee before: Yuhuan Ruisheng Automation Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211029 Address after: 225200 Zhanggang Industrial Park, Jiangdu Economic Development Zone, Yangzhou City, Jiangsu Province Patentee after: YANGZHOU SPARKLE INDUSTRIAL Co.,Ltd. Address before: 225700 No.23, Zhaoyang West Village, Xinghua City, Taizhou City, Jiangsu Province Patentee before: Huang Aimin |