CN104999216B - A kind of cathode assembly assembling jig - Google Patents
A kind of cathode assembly assembling jig Download PDFInfo
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- CN104999216B CN104999216B CN201510485279.1A CN201510485279A CN104999216B CN 104999216 B CN104999216 B CN 104999216B CN 201510485279 A CN201510485279 A CN 201510485279A CN 104999216 B CN104999216 B CN 104999216B
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- regulation
- cylinder
- positioning tube
- location bar
- fixture
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Solid Thermionic Cathode (AREA)
Abstract
The invention discloses a kind of cathode assembly assembling jig, the regulation location bar of described fixture bag and regulation positioning tube；Described regulation location bar includes negative electrode locating surface, fixture concentric locating axle, size regulation external screw thread and regulating tank；Described regulation positioning tube includes interior screen cylinder locating surface, interior screen cylinder concentric locating axle, fixture concentric locating cylinder and size regulation female thread；Cathode assembly assembling jig of the present invention is used to ensure that when negative electrode welds with internal heat shield cylinder, outer heat shielding cylinder, size between them, concentricity, the depth of parallelism reach to design requirement, have simultaneously simple in construction, easy to process, be easy to handling, the feature of dimension adjustable.
Description
Technical field
The present invention relates to a kind of fixture, the fixture of a kind of Cathode Module in Electron Gun of Traveling Wave Tube assembling.
Background technology
Travelling-wave tube is the important electronic device in the fields such as microwave relay communication, radar, electronic countermeasure and satellite communication.Negative electrode is the core component of whole travelling-wave tube, its small change in location, all the electrical quantity of travelling-wave tube may be produced great impact, the negative electrode of travelling-wave tube, internal heat shield cylinder and outer heat shielding barrel part little (＜ 10mm), solder side less (＜ 2mm), to negative electrode, when internal heat shield cylinder and the welding of outer heat shielding cylinder, the dimensional fits of part self can not reach the anticathode size of travelling-wave tube, concentricity, the requirement of the assembling of the depth of parallelism, therefore, to negative electrode, when internal heat shield cylinder and the welding of outer heat shielding cylinder, need special frock clamp, ensure negative electrode and internal heat shield cylinder, the size of outer heat shielding, concentricity, the depth of parallelism.
Summary of the invention
The present invention is directed to the problems referred to above, provide a kind of cathode assembly assembling jig, this fixture ensure that when negative electrode welds with internal heat shield cylinder, outer heat shielding, between them, size, concentricity, the depth of parallelism reach to design requirement, have simultaneously simple in construction, easy to process, be easy to handling, the feature of dimension adjustable, described cathode assembly assembling jig can be used for the welding of other electronic devices and components.
Present disclosure is: regulation location bar and the regulation positioning tube that a kind of cathode assembly assembling jig includes；Described regulation location bar includes negative electrode locating surface, fixture concentric locating axle, size regulation external screw thread and regulating tank；Described regulation location bar is a cylinder, one end of described regulation location bar is fixture concentric locating axle, the other end at regulation location bar is provided with screw thread and regulates external screw thread as size, the end face of size regulation external screw thread one end of described regulation location bar is provided with regulating tank, it is negative electrode locating surface that regulation location bar is positioned at the end face of fixture concentric locating axle one end, described negative electrode locating surface keeps smooth, described negative electrode locating surface is perpendicular to the central axis of fixture concentric locating axle, in order to control the perpendicularity of negative electrode locating surface and fixture concentric locating axle, for positioning the position of negative electrode；Described regulation positioning tube is the cylinder of a hollow, regulates female thread including interior screen cylinder locating surface, interior screen cylinder concentric locating axle, fixture concentric locating cylinder and size；The end face of described regulation positioning tube is interior screen cylinder locating surface, and described interior screen cylinder locating surface keeps smooth；Described interior screen cylinder locating shaft is arranged at one end of regulation positioning tube, the external diameter of described interior screen cylinder concentric locating axle is less than the external diameter of regulation positioning tube, the outer diameter face of described interior screen cylinder concentric locating axle keeps smooth, the concentricity of screen cylinder concentric locating axle and fixture concentric locating cylinder in controlling, controls its coordinating with outer heat shielding cylinder diameter simultaneously.For fixture concentric locating cylinder, need to control the smoothness of self, control fixture concentric locating cylinder and regulate externally threaded concentricity with size, control its coordinating with cathode diameter simultaneously；Described fixture concentric locating cylinder is to be located at the cylindrical cavity of one end in regulation positioning tube, and described fixture concentric locating cylinder can be slidably matched with fixture concentric locating axle disposed within；Described regulation location bar can carry out threaded engagement with the size regulation female thread of regulation positioning tube by size regulation external screw thread, and the regulation location bar being placed in regulation positioning tube keeps coaxial with regulation positioning tube.
Described cathode assembly assembling jig, its size regulation external screw thread and size regulation female thread are fine thread.
The regulating tank of described cathode assembly assembling jig is flat recess or cross recess or interior six square grooves.
Described cathode assembly assembling jig, described regulation location bar and regulation positioning tube are made up of metal material.
When described cathode assembly assembling jig uses, first regulation location bar is loaded regulation positioning tube, then negative electrode is loaded fixture concentric locating cylinder, its negative electrode end face is in close contact with negative electrode locating surface, loads internal heat shield cylinder, and internal heat shield cylinder end face flushes with negative electrode other end, if end face has dislocation, regulating tank can be regulated by screwdriver, until internal heat shield cylinder end face flushes with negative electrode other end, then use Laser Welding (or spot welding) welding internal heat shield cylinder and negative electrode；Reinstall outer heat shielding cylinder, use Laser Welding (or spot welding) to weld outer heat shielding cylinder and internal heat shield cylinder.Finally exiting fixture, cathode assembly has assembled.
Compared with prior art, the method have the advantages that
Cathode assembly assembling jig of the present invention is used to ensure that when negative electrode welds with internal heat shield cylinder, outer heat shielding cylinder, size between them, concentricity, the depth of parallelism reach to design requirement, have simultaneously simple in construction, easy to process, be easy to handling, the feature of dimension adjustable.
Accompanying drawing explanation
Fig. 1 cathode assembly assembling jig；
Fig. 2 regulates location bar；
Fig. 3 regulates positioning tube；
Fig. 4 internal heat shield cylinder；
The outer heat shielding cylinder of Fig. 5；
Fig. 6 internal heat shield cylinder welding schematic diagram；
Fig. 7 outer heat shielding cylinder welding schematic diagram.
In above-mentioned accompanying drawing, component names corresponding to reference is as follows:
1-cathode assembly assembling jig, 2-regulation positions screen cylinder locating surface, 9-interior screen cylinder concentric locating axle, 10-fixture concentric locating cylinder, 11-size regulation female thread, 12-internal heat shield cylinder, 13-outer heat shielding cylinder, 14-negative electrode in bar, 3-regulation positioning tube, 4-negative electrode locating surface, 5-fixture concentric locating axle, 6-size regulation external screw thread, 7-regulating tank, 8-.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings, and embodiment of the present utility model includes but not limited to the following example.
Embodiment one
A kind of cathode assembly assembling jig in embodiment includes regulation location bar and the regulation positioning tube being made up of metal material；Described regulation location bar includes negative electrode locating surface, fixture concentric locating axle, size regulation external screw thread and regulating tank；Described regulation location bar is a cylinder, one end of described regulation location bar is fixture concentric locating axle, the other end at regulation location bar is provided with screw thread and regulates external screw thread as size, size regulation external screw thread is fine thread, the end face of size regulation external screw thread one end of described regulation location bar is provided with regulating tank, described regulating tank is cross recess, it is negative electrode locating surface that regulation location bar is positioned at the end face of fixture concentric locating axle one end, described negative electrode locating surface keeps smooth, described negative electrode locating surface is perpendicular to the central axis of fixture concentric locating axle, in order to control the perpendicularity of negative electrode locating surface and fixture concentric locating axle, for positioning the position of negative electrode；Described regulation positioning tube is the cylinder of a hollow, regulates female thread including interior screen cylinder locating surface, interior screen cylinder concentric locating axle, fixture concentric locating cylinder and size；The end face of described regulation positioning tube is interior screen cylinder locating surface, and described interior screen cylinder locating surface keeps smooth；Described interior screen cylinder locating shaft is arranged at one end of regulation positioning tube, the external diameter of described interior screen cylinder concentric locating axle is less than the external diameter of regulation positioning tube, the outer diameter face of described interior screen cylinder concentric locating axle keeps smooth, the concentricity of screen cylinder concentric locating axle and fixture concentric locating cylinder in controlling, controls its coordinating with outer heat shielding cylinder diameter simultaneously.For fixture concentric locating cylinder, need to control the smoothness of self, control fixture concentric locating cylinder and regulate externally threaded concentricity with size, control its coordinating with cathode diameter simultaneously；Described fixture concentric locating cylinder is to be located at the cylindrical cavity of one end in regulation positioning tube, and described fixture concentric locating cylinder can be slidably matched with fixture concentric locating axle disposed within；Described size regulation female thread is also fine thread, and described regulation location bar can carry out threaded engagement with the size regulation female thread of regulation positioning tube by size regulation external screw thread, and the regulation location bar being placed in regulation positioning tube keeps coaxial with regulation positioning tube.
When described cathode assembly assembling jig uses, first regulation location bar is loaded regulation positioning tube, then negative electrode is loaded fixture concentric locating cylinder, its negative electrode end face is in close contact with negative electrode locating surface, loads internal heat shield cylinder, and internal heat shield cylinder end face flushes with negative electrode other end, if end face has dislocation, regulating tank can be regulated by screwdriver, until internal heat shield cylinder end face flushes with negative electrode other end, then use Laser Welding (or spot welding) welding internal heat shield cylinder and negative electrode；Reinstalling outer heat shielding cylinder, use Laser Welding (or spot welding) to weld outer heat shielding cylinder and internal heat shield cylinder, finally exit fixture, cathode assembly has assembled.
Employing the present embodiment has the advantages that
The cathode assembly assembling jig described in the embodiment of the present invention is used to ensure that when negative electrode welds with internal heat shield cylinder, outer heat shielding cylinder, size between them, concentricity, the depth of parallelism reach to design requirement, have simultaneously simple in construction, easy to process, be easy to handling, the feature of dimension adjustable.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as using the design principle that this reality is invented, and carries out non-creativeness work on this basis and the change made, within all should belonging to protection scope of the present invention.
Claims (4)
1. a cathode assembly assembling jig, it is characterised in that the regulation location bar of described fixture bag and regulation positioning tube；Described regulation location bar includes negative electrode locating surface, fixture concentric locating axle, size regulation external screw thread and regulating tank；Described regulation location bar is a cylinder, one end of described regulation location bar is fixture concentric locating axle, the other end at regulation location bar is provided with screw thread and regulates external screw thread as size, the end face of size regulation external screw thread one end of described regulation location bar is provided with regulating tank, it is negative electrode locating surface that regulation location bar is positioned at the end face of fixture concentric locating axle one end, described negative electrode locating surface keeps smooth, and described negative electrode locating surface is perpendicular to the central axis of fixture concentric locating axle；Described regulation positioning tube is the cylinder of a hollow, regulates female thread including interior screen cylinder locating surface, interior screen cylinder concentric locating axle, fixture concentric locating cylinder and size；The end face of described regulation positioning tube is interior screen cylinder locating surface, and described interior screen cylinder locating surface keeps smooth；Described interior screen cylinder locating shaft is arranged at one end of regulation positioning tube, and the external diameter of described interior screen cylinder concentric locating axle is less than the external diameter of regulation positioning tube, and the outer diameter face of described interior screen cylinder concentric locating axle keeps smooth；Described fixture concentric locating cylinder is to be located at the cylindrical cavity of one end in regulation positioning tube, and described fixture concentric locating cylinder can be slidably matched with fixture concentric locating axle disposed within；Described regulation location bar can carry out threaded engagement with the size regulation female thread of regulation positioning tube by size regulation external screw thread, and the regulation location bar being placed in regulation positioning tube keeps coaxial with regulation positioning tube.
2. a kind of cathode assembly assembling jig as claimed in claim 1, it is characterised in that described size regulation external screw thread and size regulation female thread are fine thread.
3. cathode assembly assembling jig as claimed in claim 2 a kind of, it is characterised in that described regulating tank is flat recess or cross recess or interior six square grooves.
4. a kind of cathode assembly assembling jig as described in claim 1-3 any claim, it is characterised in that described regulation location bar and regulation positioning tube are made up of metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510485279.1A CN104999216B (en) | 2015-08-10 | 2015-08-10 | A kind of cathode assembly assembling jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510485279.1A CN104999216B (en) | 2015-08-10 | 2015-08-10 | A kind of cathode assembly assembling jig |
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| Publication Number | Publication Date |
|---|---|
| CN104999216A CN104999216A (en) | 2015-10-28 |
| CN104999216B true CN104999216B (en) | 2016-11-23 |
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| CN201510485279.1A Active CN104999216B (en) | 2015-08-10 | 2015-08-10 | A kind of cathode assembly assembling jig |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105529231B (en) * | 2016-01-20 | 2017-06-13 | 杭州凯龙医疗器械有限公司 | X-ray tube rotating cathode assembly mounting device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5402032A (en) * | 1992-10-29 | 1995-03-28 | Litton Systems, Inc. | Traveling wave tube with plate for bonding thermally-mismatched elements |
| US7164095B2 (en) * | 2004-07-07 | 2007-01-16 | Noritsu Koki Co., Ltd. | Microwave plasma nozzle with enhanced plume stability and heating efficiency |
| CN201618940U (en) * | 2009-12-09 | 2010-11-03 | 安徽华东光电技术研究所 | Laser welding fixture of electron gun component |
| CN203209909U (en) * | 2012-12-24 | 2013-09-25 | 成都国光电气股份有限公司 | Electron beam welding tool clamp for traveling-wave tube collector |
| CN103084725B (en) * | 2012-12-24 | 2014-11-19 | 成都国光电气股份有限公司 | Helix traveling-wave tube slow wave system centering vacuum electron beam welding craft |
| 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 |
| CN103203578B (en) * | 2013-04-07 | 2015-09-30 | 成都国光电气股份有限公司 | A kind of Terahertz TWT slow wave centering welding tool setup |
| CN204771329U (en) * | 2015-08-10 | 2015-11-18 | 成都国光电气股份有限公司 | Negative pole component Assembly anchor clamps |
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2015
- 2015-08-10 CN CN201510485279.1A patent/CN104999216B/en active Active
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| CN104999216A (en) | 2015-10-28 |
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