CN112247333B - Waveguide electron beam welding tool - Google Patents
Waveguide electron beam welding tool Download PDFInfo
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- CN112247333B CN112247333B CN202010984635.5A CN202010984635A CN112247333B CN 112247333 B CN112247333 B CN 112247333B CN 202010984635 A CN202010984635 A CN 202010984635A CN 112247333 B CN112247333 B CN 112247333B
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- plate
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- beam welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
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Abstract
The invention discloses a waveguide electron beam welding tool which comprises a positioning plate, an arc striking plate, a first pressing strip, a second pressing strip, a first pressing plate and a second pressing plate, wherein the positioning plate is placed on a platform, a waveguide tube is placed in a groove in the positioning plate, the arc striking plate is placed on a fixed block, the first pressing strip is used for pressing the fixed block, the second pressing strip is used for pressing the first pressing strip, and the first pressing plate and the second pressing plate are used for pressing the arc striking plate. The positioning plate is made of aluminum plates 2A12, the arc striking plate is made of red copper, and the first pressing strip, the second pressing strip, the first pressing plate and the second pressing plate are made of stainless steel 2Cr 13. The tool can effectively improve the production efficiency of products, effectively control deformation, guarantee the geometric tolerance requirement and effectively reduce the rejection rate.
Description
Technical Field
The invention relates to an electron beam welding tool, in particular to a waveguide electron beam welding tool.
Background
In the prior art, the waveguide tube is 990mm long, the upper surface of the waveguide tube is welded with 30 first fixing blocks through vacuum brazing, the lower surface of the waveguide tube is welded with 2 second fixing blocks through vacuum brazing, and the straightness is required to be 0.1mm after welding. And the welding needs to be carried out twice, the welding strength is poor, the welding deformation is large, the geometric tolerance requirement of the waveguide is difficult to guarantee, and the rejection rate is up to 50%. The welding solder needs to be strictly controlled, too much solder can flow to pollute the surface, and too little solder can cause incomplete welding and the possibility of electroplating solution infiltration in the subsequent surface treatment. In order to ensure the product percent of pass, welding spare parts are required to be put into production by one time, and the cost of the waveguide tube is higher, so that the product percent of pass adopting the existing welding technology is low, the number of waste products is large, the cost is increased, and the efficiency is low.
Disclosure of Invention
In order to overcome the problems, the invention provides a waveguide electron beam welding tool which can effectively solve the problems of quality and efficiency of waveguide tube welding. The electron beam welding has good welding strength and almost no deformation, and no brazing filler metal flows into the waveguide.
A waveguide electron beam welding tool comprises a positioning plate, an arc striking plate, a first pressing strip, a second pressing strip, a first pressing plate and a second pressing plate; the positioning plate is placed on the working platform, and a groove for placing the waveguide tube is formed in the positioning plate; the bottom of the groove of the waveguide tube is also provided with a small groove, and the small groove realizes the welding of the lower surface of the waveguide tube and the second fixed block; the waveguide tube is characterized by further comprising a fixed block, the fixed block is mounted at a groove on the waveguide tube, the arc striking plate is placed on the fixed block, and the height of the upper surface of the fixed block is higher than that of the upper surface of the arc striking plate after assembly; the first pressing strip is arranged on the upper surface of the fixed block; the first pressing plate and the second pressing plate are placed on the arc striking plate; the upper surface of the first pressing strip is higher than that of the first pressing plate and the second pressing plate, and the second pressing strip is placed on the upper surface of the first pressing strip.
Further, the positioning plate is provided with 3 grooves for placing the waveguides, so that 3 waveguides can be welded at the same time.
Further, the waveguide and the fixing block are made of invar 4J36 material, and the positioning plate 1 is made of aluminum plate 2a12 material.
Furthermore, the positioning plate is provided with a threaded hole with the depth of 40-M6 being 10.
Further, the assembly clearance between the groove in the waveguide and the fixed block is +/-0.05 mm.
Further, the first pressing strip is provided with 5-M4 threaded holes, and 5 fixing blocks can be pressed simultaneously.
Furthermore, the first pressure plate and the second pressure plate are connected with the positioning plate through screws, so that the arc striking plate is pressed tightly.
Furthermore, the upper surfaces of the first pressure plate and the second pressure plate are flush and are provided with through holes phi 6.5.
Further, the second pressing strip is connected with the positioning plate through an M6 screw, so that the first pressing strip is pressed tightly.
The invention has the following beneficial effects:
1) the electron beam welding melts the welding part of the fixed block and the waveguide tube by using instant high temperature, brazing filler metal does not need to be welded, the welding speed is high, the heat affected zone is small, the welding deformation is small, and the quality problems of the welding deformation and the brazing filler metal overflow flow in the vacuum welding process of the waveguide tube and the fixed block are effectively solved through the application of the waveguide electron beam welding tool. Practice proves that the waveguide tube is almost free from deformation by adopting an electron beam welding mode, and the processing quality of the waveguide tube is obviously improved.
2) And the welding of three waveguides can be realized by one-time clamping, so that the processing efficiency is improved.
3) The material of the positioning plate is made of aluminum alloy material with low density, so that waste products caused by colliding with the waveguide tube can be avoided.
4) The tooling equipment disclosed by the invention is high in mounting and debugging efficiency and good in fastening performance, the clamping groove is arranged on the first pressing strip, the dual functions of pressing and positioning can be realized, the relative fixation between the waveguide and the tooling can be well ensured in the machining process, and the machining quality is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a waveguide electron beam welding tool according to the present invention.
Fig. 2 is a schematic view of the structure of the waveguide.
FIG. 3 is a top view of the welding tooling positioning plate structure of the present invention.
FIG. 4 is a top view of the structure of the arc striking plate of the welding tool of the present invention.
FIG. 5 is a top view of a clamp plate structure of the welding tool of the present invention.
FIG. 6 is a top view of a structure of a welding tool batten in the invention.
FIG. 7 is a top view of a second structure of the welding fixture pressing plate of the present invention.
FIG. 8 is a top view of a two-structure welding tool batten of the invention.
The reference numbers in the embodiments of the present invention are as follows, in combination with the accompanying drawings:
1. positioning a plate; 2a waveguide tube; 3. an arc striking plate; 4. pressing a first plate; 5. layering a first layer; 6. a fixed block; 7. pressing a second plate; 8. and pressing a second strip.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
A waveguide electron beam welding tool comprises a positioning plate 1, an arc striking plate 3, a first pressing strip 5, a second pressing strip 8, a first pressing plate 4 and a second pressing plate 7; the positioning plate 1 is placed on the working platform, and 3 grooves for placing the waveguide tubes 2 are formed in the positioning plate 1, so that 3 waveguide pieces can be welded at the same time; the bottom of the groove of the waveguide tube 2 is also provided with a small groove, and the small groove realizes the welding of the lower surface of the waveguide tube 2 and the second fixed block; the waveguide tube 2 and the fixed block 6 are made of invar 4J36 materials, and the positioning plate 1 is made of aluminum plates 2A12 materials; the fixed block 6 is arranged at a groove on the waveguide tube, the arc ignition plate 3 is arranged on the fixed block 6, and the height of the upper surface of the fixed block 6 is higher than that of the upper surface of the arc ignition plate after assembly; the first pressing strip 5 is arranged on the upper surface of the fixing block 6; the first pressing plate 4 and the second pressing plate 7 are placed on the arc ignition plate 3; the upper surface of the first pressing strip 5 is higher than the first pressing plate 4 and the second pressing plate 7, and the second pressing strip 8 is placed on the upper surface of the first pressing strip 5.
The positioning plate 1 is provided with a threaded hole with the depth of 40-M6 being 10.
And the assembly clearance between the groove on the waveguide tube and the fixed block 6 is +/-0.05 mm.
The first pressing strip 5 is provided with 5-M4 threaded holes, and 5 fixing blocks 6 can be pressed simultaneously.
The first pressure plate and the second pressure plate are connected with the positioning plate 1 through screws, so that the arc striking plate 3 is pressed tightly.
The arc striking plate 3 is made of red copper.
The upper surfaces of the first pressing plate 4 and the second pressing plate 7 are flush and are provided with through holes phi 6.5, and the first pressing plate and the second pressing plate are both made of stainless steel 2Cr 13.
The second pressing strip 8 is connected with the positioning plate 1 through an M6 screw, so that the first pressing strip 5 is pressed.
The specific working principle is as follows: the positioning plate 1 is used for positioning a workpiece and a welding tool, the fixing block 6 is connected with the waveguide tube through tight fit, the arc striking plate 3 can achieve arc striking of an electron beam, the first pressing plate 4 is connected with the arc striking plate 3 and the positioning plate 1 through screws, the second pressing plate 7 is connected with the positioning plate 1 through screws, connection of the arc striking plate and the positioning plate is achieved through combined action of the first pressing plate and the second pressing plate, the first pressing strip fixes the fixing block on the waveguide tube, and the second pressing strip achieves connection of the first pressing strip and the positioning plate.
The invention provides a waveguide electron beam welding tool which can effectively solve the problems of quality and efficiency of waveguide tube welding. The electron beam welding has good welding strength and almost no deformation, and no brazing filler metal flows into the waveguide. And the welding of three waveguides can be realized by one-time clamping, so that the processing efficiency is improved. The material of the positioning plate is made of aluminum alloy material with low density, so that waste products caused by colliding with the waveguide tube can be avoided. The tooling equipment disclosed by the invention is high in mounting and debugging efficiency and good in fastening performance, the clamping groove is arranged on the first pressing strip, the dual functions of pressing and positioning can be realized, the relative fixation between the waveguide and the tooling can be well ensured in the machining process, and the machining quality is improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A waveguide electron beam welding tool is characterized by comprising a positioning plate, an arc striking plate, a first pressing strip, a second pressing strip, a first pressing plate and a second pressing plate; the positioning plate is placed on the working platform, and a groove for placing the waveguide tube is formed in the positioning plate; the bottom of the groove of the waveguide tube is also provided with a small groove, and the small groove realizes the welding of the lower surface of the waveguide tube and the second fixed block; the waveguide tube is characterized by further comprising a fixed block, the fixed block is mounted at a groove on the waveguide tube, the arc striking plate is placed on the fixed block, and the height of the upper surface of the fixed block is higher than that of the upper surface of the arc striking plate after assembly; the first pressing strip is arranged on the upper surface of the fixed block; the first pressing plate and the second pressing plate are placed on the arc striking plate; the upper surface of the first pressing strip is higher than that of the first pressing plate and the second pressing plate, and the second pressing strip is placed on the upper surface of the first pressing strip.
2. The waveguide electron beam welding tool according to claim 1, wherein the waveguide tube and the fixed block are formed by electron beam welding, and both the waveguide tube and the fixed block are made of invar 4J36 material.
3. The waveguide electron beam welding tool according to claim 1, wherein 3 grooves for placing waveguide tubes are formed in the positioning plate.
4. The waveguide electron beam welding tool of claim 1, wherein a clamping groove is formed in the first pressing strip, and dual functions of pressing and positioning can be achieved.
5. The waveguide electron beam welding tool according to claim 1, wherein 5-M4 threads are arranged on the first pressing strip, and 5 fixing blocks can be pressed simultaneously; the positioning plate is provided with threads with the depth of 40-M6 to 10.
6. The waveguide electron beam welding tool according to claim 1, wherein an assembly gap between the groove in the waveguide and the fixing block is ± 0.05 mm.
7. The waveguide electron beam welding tool according to claim 1, wherein the first pressure plate is connected with the arc ignition plate and the positioning plate through screws, the second pressure plate is connected with the positioning plate through screws, and the connection between the arc ignition plate and the positioning plate is realized through the combined action of the first pressure plate and the second pressure plate.
8. The waveguide electron beam welding tool according to claim 1, wherein the arc ignition plate is made of red copper; the first pressing plate and the second pressing plate are both made of stainless steel 2Cr13 material.
9. The waveguide electron beam welding tool according to claim 1, wherein the second pressing strip is connected with the positioning plate through M6 screws, so that the first pressing strip is pressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984635.5A CN112247333B (en) | 2020-09-18 | 2020-09-18 | Waveguide electron beam welding tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984635.5A CN112247333B (en) | 2020-09-18 | 2020-09-18 | Waveguide electron beam welding tool |
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| CN112247333A CN112247333A (en) | 2021-01-22 |
| CN112247333B true CN112247333B (en) | 2022-02-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114012361B (en) * | 2021-11-05 | 2024-04-30 | 合肥聚能电物理高技术开发有限公司 | High-strength waveguide tube manufacturing tool and manufacturing process |
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| CN206286858U (en) * | 2016-12-16 | 2017-06-30 | 西安电子工程研究所 | A kind of clamping device for processing rectangular waveguide pipe leak |
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| FR2472850A1 (en) * | 1979-12-26 | 1981-07-03 | Cables De Lyon Geoffroy Delore | Welded waveguides for transmitting high radio:electric power - made from four large plates joined along their edges by electron beam welding, and suitable for feeding power to TV antennae |
| CN203092056U (en) * | 2013-02-02 | 2013-07-31 | 成都国光电气股份有限公司 | Electron beam welding work fixture for small traveling wave tube slow-wave component |
| RU150812U1 (en) * | 2014-08-05 | 2015-02-27 | Закрытое акционерное общество "Научно-производственный центр "Аквамарин" | STAPEL FOR ASSEMBLY UNDER WELDING OF THE SECTIONS OF THE WAVEGUIDE TRAITS OF THE SHIP ANTENNA |
| CN205443079U (en) * | 2015-12-30 | 2016-08-10 | 安徽华东光电技术研究所 | Frock of brazing of travelling wave tube delivery of energy window |
| CN106216788B (en) * | 2016-08-23 | 2019-07-02 | 安徽华东光电技术研究所 | A kind of welding method that aperture plate welding tooling is controlled electronically |
| CN206263467U (en) * | 2016-11-29 | 2017-06-20 | 扬州大学 | The welder of wave guide member |
| CN107088726B (en) * | 2016-12-26 | 2020-05-22 | 中国工程物理研究院应用电子学研究所 | Method for slow wave welding test of traveling wave tube |
| CN107262863B (en) * | 2017-06-26 | 2019-07-02 | 安徽华东光电技术研究所 | Insulator assembly welding tool for waveguide coaxial conversion and welding method thereof |
| CN108788370B (en) * | 2018-06-11 | 2020-11-13 | 中国电子科技集团公司第十四研究所 | Waveguide welding tool |
| CN209664659U (en) * | 2018-12-10 | 2019-11-22 | 淮南新能源研究中心 | Electron beam welding tool fixture |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205085580U (en) * | 2015-10-14 | 2016-03-16 | 北京新立机械有限责任公司 | Wave guide welding clamping location frock |
| CN206286858U (en) * | 2016-12-16 | 2017-06-30 | 西安电子工程研究所 | A kind of clamping device for processing rectangular waveguide pipe leak |
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