CN203062141U - Welding tool of wideband millimeter wave traveling wave tube electronic gun outer shell - Google Patents

Welding tool of wideband millimeter wave traveling wave tube electronic gun outer shell Download PDF

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Publication number
CN203062141U
CN203062141U CN 201220676363 CN201220676363U CN203062141U CN 203062141 U CN203062141 U CN 203062141U CN 201220676363 CN201220676363 CN 201220676363 CN 201220676363 U CN201220676363 U CN 201220676363U CN 203062141 U CN203062141 U CN 203062141U
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CN
China
Prior art keywords
wave
electron gun
gun shell
travelling
broadband millimeter
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Expired - Fee Related
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CN 201220676363
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Chinese (zh)
Inventor
吴华夏
贺兆昌
孙梅林
董晨
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Anhui East China Institute of Optoelectronic Technology
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Anhui East China Institute of Optoelectronic Technology
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Priority to CN 201220676363 priority Critical patent/CN203062141U/en
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Abstract

The utility model discloses a welding tool of a wideband millimeter wave traveling wave tube electronic gun outer shell. The welding tool of the wideband millimeter wave traveling wave tube electronic gun outer shell comprises a locating base. The locating base is used for supporting the wideband millimeter wave traveling wave tube electronic gun outer shell. A plurality of locating protrusions are arranged on the locating base. The locating protrusions extend inside the wideband millimeter wave traveling wave tube electronic gun outer shell, and respectively carry out location on two bushings of the wideband millimeter wave traveling wave tube electronic gun outer shell. The welding tool of the wideband millimeter wave traveling wave tube electronic gun outer shell has the advantages that the wideband millimeter wave traveling wave tube electronic gun outer shell not only can satisfy the requirement of air impermeability, but also can satisfy the requirement of concentricity.

Description

A kind of broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling
Technical field
The utility model relates to a kind of welding tooling, relates in particular to a kind of broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling.
Background technology
The millimeter wave broadband high power travelling wave tube is the device of most crucial most critical in radar and the electronic countermeasure, and its broadband and high power make it can be used as the power source of millimeter wave electronic warfare system.Development along with military electronics, particularly ECM transmitter is to improving constantly that the broadband high power device requires, requirement to the broadband millimeter-wave travelling-wave tubes is more and more urgent, and specification requirement is also more and more higher, and is also more and more higher to the requirement of process aspect thereupon.And electron gun is as one of critical component in the travelling-wave tubes, and its function is to produce a branch of electronics with certain cross sectional shape, size and energy to annotate (also claiming electron stream, electron beam).According to different designing requirements, it can be circular that electronics is annotated the cross section, rectangle or ring-like, wherein usefulness maximum are that the electronics of circular cross-section is annotated, and its sectional dimension size and operating voltage, electric current need satisfy the overall parameter designing requirement of travelling-wave tubes radio frequency system.So the manufacture craft quality of electron gun also directly affects the critical technical parameter of travelling-wave tubes.
Guarantee the production technique of broadband millimeter-wave travelling-wave tubes electron gun, at first to guarantee electron gun shell good sealing property, and, electron gun inside has needs very high voltage difference between a lot of electrodes, so its project organization can only be ceramicto-metal seal, and this multielectrode ceramicto-metal seal mode will guarantee that air-tightness is difficult to.As Fig. 1, Fig. 2, Fig. 3 and Figure 4 shows that a kind of structural representation of electron gun shell, comprise gasket ring 1, solder sheet 2, first lining 3, second lining, 4, the first lead-in wires, 5, second lead-in wire 6, thin slice welding solder sheet 7, thin slice 8, ripple ceramic ring 9, the first ceramic gasket ring 10, the second ceramic gasket ring 11, ring flange 12.The welding tooling that is used for this electron gun shell is at present made material stainless steel 1Cr18Ni9Ti, does not only guarantee also can make weld assembly be stuck on the anchor clamps and can't take out after the expanded by heating with one heart.
The utility model content
In view of this, be necessary to provide a kind of broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling, it can not only guarantee the air-tightness requirement of broadband millimeter-wave travelling-wave tubes electron gun shell, and can guarantee the concentricity requirement of broadband millimeter-wave travelling-wave tubes electron gun shell.
The utility model is to realize like this, a kind of broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling, it comprises the positioning base that supports broadband millimeter-wave travelling-wave tubes electron gun shell, this positioning base is provided with several positioning convex, this positioning convex extends in this broadband millimeter-wave travelling-wave tubes electron gun shell, and two linings to this broadband millimeter-wave travelling-wave tubes electron gun shell position respectively.
As the further improvement of such scheme, this positioning convex is hollow structure.
As the further improvement of such scheme, this positioning convex extends along the center line of this broadband millimeter-wave travelling-wave tubes electron gun shell.
As the further improvement of such scheme, the lateral wall of this positioning convex is extended with the location division that lining is supported the location.
As the further improvement of such scheme, this positioning convex is that symmetry axis is symmetrical structure with the center line of this broadband millimeter-wave travelling-wave tubes electron gun shell.
As the further improvement of such scheme, the bottom of this positioning base offers the welding passage.
The broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling that the utility model provides, positioning base is provided with two steps of locating first positioning adapter and second lining respectively (being that the lateral wall of positioning convex is extended with the location division that first positioning adapter and second lining is supported the location), this firm banking can adopt with the weld metal identical materials can cut down 4J34, the same material coefficient of expansion is the same, welding process can not cause welding electron gun casing assembly to be subjected to the frock clamp excessive expansion and deform, but it is sticking glutinous to consider that the identical meeting with the weld metal material of welding tooling occurs, so adopted the processing mode of carrying out the blackening of chromium plating high-temperature oxydation to base, in sum, broadband millimeter-wave travelling-wave tubes electron gun shell can not only guarantee the air-tightness requirement, and can guarantee the concentricity requirement of electron gun shell.
Description of drawings
The structural representation of the broadband millimeter-wave travelling-wave tubes electron gun shell of the broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling using the utility model preferred embodiments and provide is provided Fig. 1.
Fig. 2 is the vertical view among Fig. 1.
Fig. 3 is along the cutaway view of hatching line B-B among Fig. 2.
Fig. 4 is along the cutaway view of hatching line C-C among Fig. 2.
The structural representation of the broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling that Fig. 5 provides for the utility model preferred embodiments.
Main symbol description: 1, gasket ring; 2, solder sheet; 3, first lining; 4, second lining; 5, first lead-in wire; 6, second lead-in wire; 7, thin slice welding solder sheet; 8, thin slice; 9, ripple ceramic ring; 10, the first ceramic gasket ring; 11, the second ceramic gasket ring; 12, ring flange; 13, positioning base; 14, cover plate; 15, briquetting; 16, nut; 17, fixed screw; 18, positioning convex.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 5, broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling is applied to Fig. 1, Fig. 2, Fig. 3 and broadband millimeter-wave travelling-wave tubes electron gun shell shown in Figure 4, and wherein, Fig. 3 is along the cutaway view of hatching line B-B among Fig. 2; Fig. 4 is along the cutaway view of hatching line C-C among Fig. 2.Described broadband millimeter-wave travelling-wave tubes electron gun shell comprises gasket ring 1, solder sheet 2, first lining 3, second lining, 4, the first lead-in wires, 5, second lead-in wire 6, thin slice welding solder sheet 7, thin slice 8, ripple ceramic ring 9, the first ceramic gasket ring 10, the second ceramic gasket ring 11, ring flange 12.
Broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling comprises a positioning base 13, a cover plate 14, a briquetting 15, a nut 16, four fixed screws 17.Wherein positioning base 13 is provided with positioning convex 18, positioning convex 18 location first lining 3 and second linings 4.Positioning convex 18 can be hollow structure, and positioning convex 18 also can extend along the center line of this broadband millimeter-wave travelling-wave tubes electron gun shell, and center line that can also this broadband millimeter-wave travelling-wave tubes electron gun shell is that symmetry axis is symmetrical structure.
Positioning base 13 adopts with the weld metal identical materials and can cut down 4J34, the same material coefficient of expansion is the same, the high-temperature soldering process can not cause welding electron gun casing assembly to be subjected to the excessive thermal expansion of frock clamp and deform, but consider that the identical meeting appearance with the weld metal material of welding tooling is sticking glutinous, so carried out chromium plating high-temperature oxydation blackening processing to locating base 13.
Successively gasket ring 1, ring flange 12, ceramic gasket ring 10 are placed on the positioning base 13, and put solder sheet 2 each other at it; Second lead-in wire 6 is inserted in the locating hole of first lining 3, and around last scolder ring, again it is placed into together on the following positioning step of positioning base 13; And then put solder sheet 2, again ripple ceramic 9 is placed on it, and puts solder sheet 2 more thereon; First lead-in wire 5 is inserted in the locating hole of lining 4, and around last scolder ring, again it is inserted in together outside the top positioning step of positioning base 13, and puts solder sheet 2 thereon again; The second ceramic gasket ring 11 is placed on the solder sheet 2 fixing, the last indentation, there that again the thin slice welding is placed into successively the second ceramic gasket ring 11 with solder sheet 7 and thin slice 8.
Further, be provided with the welding passage in the bottom of positioning base 13, when described like this broadband millimeter-wave travelling-wave tubes electron gun shell welds, realize the circulative convection of welding atmosphere (hydrogen) by the welding passage, guarantee that the electron gun inner and outer air pressure is identical, the thermally equivalent of a whole set of weld assembly of while, and then make the scolder trickling evenly fully, fill up.
Described broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling, positioning base 13 is provided with two steps of locating first positioning adapter 3 and second lining 4 respectively (being that the lateral wall of positioning convex 18 is extended with the location division that first positioning adapter 3 and second lining 4 is supported the location), and positioning base 13 adopts with the weld metal identical materials and can cut down 4J34, the same material coefficient of expansion is the same, welding process can not cause welding electron gun casing assembly to be subjected to the frock clamp excessive expansion and deform, but consider that the identical meeting appearance with the weld metal material of welding tooling is sticking glutinous, carry out chromium plating high-temperature oxydation blackening processing so adopted to locating base 13.The electron gun shell can not only guarantee the air-tightness requirement like this, and can guarantee the concentricity requirement of electron gun shell.Should overlap other several parts of frock simultaneously, as cover plate 14, briquetting 15, nut 16, fixed screw 17, all simplicity of design conveniently processes, detects and the assembling use, and these frocks all adopts the stainless steel material making, in processing and making process, also pass through the multiple high temp annealing in process, have high temperature resistant, solar heat protection deformation characteristic processing, this welding tooling structural design is simple, convenient processing and manufacture, assembling is used quick, the structural reliability height.
The erection welding process of described broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling is as follows:
1) firm banking 13 is lain on the assembly bench, successively gasket ring 1, ring flange 12, the first ceramic gasket ring 10 are placed on the firm banking 13, and put solder sheet 2 each other at it again;
2) second lead-in wire 6 is inserted in the locating hole of first lining 3, and around last scolder ring, again it is placed into together on the following positioning step of firm banking 13;
3) put solder sheet 2 at first lining 3;
4) ripple ceramic 9 is placed on the solder sheet 2, and on ripple ceramic 9, puts solder sheet 2 again;
5) first lead-in wire 5 is inserted in the locating hole of second lining 4, and around last scolder ring, again it is inserted in together outside the top positioning step of firm banking 13, and puts solder sheet 2 thereon again;
6) the second ceramic gasket ring 11 is placed on the solder sheet 2 fixing, the last indentation, there that again the thin slice welding is placed into successively the second ceramic gasket ring 11 with solder sheet 7 and thin slice 8;
7) after assembling is finished, put cover plate 14, the nut 16 of screwing on again;
8) thin slice welding is adjusted with the position of solder sheet 7 and thin slice 8 after, again four fixed screws 17 are screwed;
9) press briquetting 15 at last, whole component assembling finishes, and can send into the hydrogen stove and weld.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims (6)

1. broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling, it comprises the positioning base that supports broadband millimeter-wave travelling-wave tubes electron gun shell, it is characterized in that, this positioning base is provided with several positioning convex, this positioning convex extends in this broadband millimeter-wave travelling-wave tubes electron gun shell, and two linings to this broadband millimeter-wave travelling-wave tubes electron gun shell position respectively.
2. broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling as claimed in claim 1 is characterized in that this positioning convex is hollow structure.
3. broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling as claimed in claim 1 is characterized in that, this positioning convex extends along the center line of this broadband millimeter-wave travelling-wave tubes electron gun shell.
4. broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling as claimed in claim 1 is characterized in that the lateral wall of this positioning convex is extended with the location division that lining is supported the location.
5. broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling as claimed in claim 1 is characterized in that, this positioning convex is that symmetry axis is symmetrical structure with the center line of this broadband millimeter-wave travelling-wave tubes electron gun shell.
6. broadband millimeter-wave travelling-wave tubes electron gun shell welding tooling as claimed in claim 1 is characterized in that the bottom of this positioning base offers the welding passage.
CN 201220676363 2012-12-11 2012-12-11 Welding tool of wideband millimeter wave traveling wave tube electronic gun outer shell Expired - Fee Related CN203062141U (en)

Priority Applications (1)

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CN 201220676363 CN203062141U (en) 2012-12-11 2012-12-11 Welding tool of wideband millimeter wave traveling wave tube electronic gun outer shell

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106425218A (en) * 2016-10-21 2017-02-22 成都国光电气股份有限公司 Electronic gun shell and exhaust pipe welding fixture
CN106736183A (en) * 2017-01-18 2017-05-31 成都国光电气股份有限公司 A kind of electronics gun housing and blast pipe weld jig
CN107803605A (en) * 2017-09-28 2018-03-16 中国航发动力股份有限公司 A kind of weld jig of multilayer thin-wall annular part laser circumference seam weld

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106425218A (en) * 2016-10-21 2017-02-22 成都国光电气股份有限公司 Electronic gun shell and exhaust pipe welding fixture
CN106736183A (en) * 2017-01-18 2017-05-31 成都国光电气股份有限公司 A kind of electronics gun housing and blast pipe weld jig
CN107803605A (en) * 2017-09-28 2018-03-16 中国航发动力股份有限公司 A kind of weld jig of multilayer thin-wall annular part laser circumference seam weld

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130717

Termination date: 20151211

EXPY Termination of patent right or utility model