CN202667863U - High frequency welding jig - Google Patents
High frequency welding jig Download PDFInfo
- Publication number
- CN202667863U CN202667863U CN 201220140332 CN201220140332U CN202667863U CN 202667863 U CN202667863 U CN 202667863U CN 201220140332 CN201220140332 CN 201220140332 CN 201220140332 U CN201220140332 U CN 201220140332U CN 202667863 U CN202667863 U CN 202667863U
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- metal frame
- hole
- ceramic rod
- frequency welding
- metal
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Abstract
The utility model discloses a high frequency welding jig which comprises a metal frame, a metal pipe and a ceramic rod, wherein the metal frame is a cylinder, a groove with a cross section in a round shape and a longitudinal section in an isosceles triangle shape or an isosceles trapezoid shape is arranged on the cylinder along the height direction, a through hole is arranged at the bottom of the groove, a mounting hole facing to the through hole is arranged on the metal frame along the outer side of the cylinder, a concave part is arranged on a side face of the metal frame in an encircled mode, the mounting hole is communicated with the through hole, the ceramic rod is in interference fit with the mounting hole, the metal pipe is wrapped on the concave part of the metal frame, and two ends of the metal pipe extend along the ceramic rod. The high frequency welding jig is low in heating temperature, and small in thermal shock to nearby parts; welding heating energy is concentrated, and the heating is rapid; and the welding qualified rate is greatly improved.
Description
Technical field
The utility model relates to the anchor clamps that a kind of TWT slow wave component manufacturing is used, in particular a kind of high-frequency welding anchor clamps.
Background technology
Travelling-wave tubes is a kind of microwave signal amplifying device, is electron tube, comprises electron gun, slow wave system, collection level, delivery of energy structure and focusing structure etc.In its device manufacturing processes, need to adopt various welding methods that various metals, the assembling of nonmetallic parts are fixed together, formation has the different assembly of function, more various components weldings is integral at last, through after the pump-down process, namely makes device.Wherein in the slow wave system manufacturing process, the slow wave system assembly generally is comprised of input and output, every segment structure comprises window, cabin and slow-wave component, they adopt different assembling modes to be assembled together, also need each other to carry out integrally welded, wherein slow-wave component is the elongate rod structure, manufacture craft is the assembling all-in-one-piece of colding pressing, when being welded on one with the cabin, need the requirement of air-tightness and structural strength, again can not integral body put into equipment and heat welding, the welding manner that usually adopts at present is the high frequency brazing welding.
High frequency brazing welding adopts radio-frequency generator as power source, and the need welding assembly is carried out high-frequency heating, but after temperature reaches the scolder melt temperature, and scolder melts and fills up the welding region slit, naturally welds after the cooling and finishes.High frequency brazing anchor clamps commonly used are for adopting multi-turn annulus copper pipe, and its two ends link to each other with radio-frequency generator, and inner water flowing is heated parts and places annulus inside.The heating region of this annulus copper pipe is large, and is large near parts temperature shock impact.In the slow wave system welding, its inside is the cermet structure, and near structure also exists ceramic structure, adopt the heating-up temperature zone of this anchor clamps large, can affect the structure of pottery, can cause ceramic member welding performance variation, even ceramic member can be impacted cracking, the simultaneously meeting of heating region affects air-tightness and the structure of other structures, has a strong impact on the qualification rate of welding.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of high-frequency welding anchor clamps are provided, and by reducing weld heating zone and heat-affected zone, improves solder yield.
The utility model is achieved through the following technical solutions, the utility model comprises metal frame, metal tube and ceramic rod, wherein: metal frame is cylinder, cylinder is provided with groove along short transverse, the bottom of groove arranges through hole, metal frame arranges installing hole along cylindrical lateral surface to through hole, a depressed part is put in the side pressed on ring winding of metal frame, described installing hole and through hole are connected, ceramic rod and installing hole interference fit, metal tube clad is on the depressed part of metal frame, and extend along ceramic rod at the two ends of metal tube.
The cross section of described groove is circular, and the longitudinal section is isosceles triangle or isosceles trapezoid.
The isosceles triangle of the longitudinal section of described groove or the acute angle of isosceles trapezoid are 30～60 °, can realize better heat conduction.
In order to realize the interference fit of ceramic rod and installing hole, the upper end of described ceramic rod is taper and is arranged in the installing hole, and the lower end is cylindricality.
The end, two ends of described metal tube is provided with threaded connector, is threaded connection part and links to each other with the joint of radio-frequency generator.
The utility model has the following advantages compared to existing technology: anchor clamps of the present utility model adopt the individual pen metal tube, adopt special-shaped metal cartridge to support to metal tube, and heating-up temperature is little, and is little near the thermal shock of position; Weld heating concentration of energy, heating are rapidly; The welding work pieces distortion is little, simple to operate, has improved greatly solder yield.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of metal tube;
Fig. 4 is the partial schematic diagram of metal frame;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the structural representation of ceramic rod;
Structural representation when Fig. 7 is the anchor clamps welding.
The specific embodiment
The below elaborates to embodiment of the present utility model; the present embodiment is implemented under take technical solutions of the utility model as prerequisite; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Such as Fig. 1～shown in Figure 6, the present embodiment metal frame 1, metal tube 2 and ceramic rod 3, wherein: metal frame 1 is cylinder, cylinder is provided with cross section for circular along short transverse, the longitudinal section is the groove 11 of isosceles trapezoid, the bottom of groove 11 arranges through hole 12, metal frame 1 12 arranges installing hole 13 along cylindrical lateral surface to through hole, a depressed part 14 is put in the side pressed on ring winding of metal frame 1, described installing hole 13 and through hole 12 are connected, ceramic rod 3 and installing hole 13 interference fit, metal tube 2 is coated on the depressed part 14 of metal frame 1, and extend along ceramic rod 3 at the two ends of metal tube 2.The acute angle of the isosceles trapezoid of the longitudinal section of the present embodiment further groove 11 is 60 °.Can so that in the metal frame 1 inherent high-frequency heating process, reduce the effective coverage of high-frequency heating, attenuation on thickness direction like this, heat when reducing high-frequency welding, make heat can concentrate heating, total amount of heat is little when guaranteeing that scolder melts, and then impacts little near component heat.
As shown in Figure 7, in order to realize the interference fit of ceramic rod 3 and installing hole 13, the upper end of ceramic rod 3 is taper and is arranged in the installing hole 13, and the lower end is cylindricality.
The end, two ends of metal tube 2 is provided with threaded connector 4, is threaded connection part 4 and links to each other with the joint of radio-frequency generator.
The anchor clamps manufacturing process of the present embodiment is as follows:
1, the metal tube 2 of coiling individual pen circle is at first made the U font with metal tube 2, and then circular in bent intermediate, two ends are unsettled, and the metal tube 2 of the present embodiment is copper tube, and metal tube 2 bendings seamlessly transit, and inside is unobstructed can realize water circulation;
2, the threaded connector 4 at processing metal pipe 2 two ends, at first the inside of threaded connector 4 and round metal tube 2 are fixed together by soldering, the outside of threaded connector 4 is connected with radio-frequency generator by screw thread, guarantees that water flowing is water-tight, and can bear certain pressure;
3, the processing metal frame 1, the material of metal frame 1 is red copper, at first the lateral surface at cylinder metal frame 1 is processed into depressed part 14, then cut a cross section for circular, longitudinal section are the groove 11 of isosceles trapezoid along short transverse with cylindrical, also the longitudinal section of groove 11 can be cut into isosceles triangle among other embodiment; Then offer a manhole 12 at the cylinder center, an installing hole 13 12 is offered along lateral surface to through hole in cylindrical half of junction;
4. processing ceramic rod 3 is thin rod shape, and material is alumina ceramics, and the upper end of ceramic rod 3 is taper, and the lower end is that cylindricality is cylindrical;
5, metal frame 1 is placed on the round metal tube 2, the depressed part 14 of metal frame 1 is stuck on the metal tube 2; With the side installing hole 13 interior insertions of ceramic rod 3 from metal frame 1, metal frame 1 is fixed in the circle of metal tube 2, in ceramic rod 3 fixing positions one finedraw is arranged simultaneously, finedraw can guarantee in the high-frequency heating process, form radio circuit, if do not have finedraw then can not carry out high-frequency heating.
As shown in Figure 7, during welding, the welding assembly 5 of the good scolder of coiling is put in the through hole 12 of anchor clamps, be threaded connection the joint that part 4 connects radio-frequency generator.Connect the cooling water of radio-frequency generator, the welding position of parts 5 to be welded is aimed at the centre bore center of radio-frequency generator, open radio-frequency generator and open, rise to the high pressure of setting, scolder melts in these anchor clamps, finishes welding.
Claims (5)
1. high-frequency welding anchor clamps, it is characterized in that, comprise metal frame (1), metal tube (2) and ceramic rod (3), wherein: metal frame (1) is cylinder, cylinder is provided with groove (11) along short transverse, the bottom of groove (11) arranges through hole (12), (12) arrange installing hole (13) to metal frame (1) along cylindrical lateral surface to through hole, a depressed part (14) is put in the side pressed on ring winding of metal frame (1), described installing hole (13) and through hole (12) are connected, ceramic rod (3) and installing hole (13) interference fit, metal tube (2) is coated on the depressed part (14) of metal frame (1), and extend along ceramic rod (3) at the two ends of metal tube (2).
2. high-frequency welding anchor clamps according to claim 1 is characterized in that: the cross section of described groove (11) is for circular, and the longitudinal section is isosceles triangle or isosceles trapezoid.
3. high-frequency welding anchor clamps according to claim 2, it is characterized in that: the isosceles triangle of the longitudinal section of described groove (11) or the acute angle of isosceles trapezoid are 30～60 °.
4. high-frequency welding anchor clamps according to claim 1 is characterized in that: the upper end of described ceramic rod (3) is taper and is arranged in the installing hole (13), and the lower end is cylindricality.
5. high-frequency welding anchor clamps according to claim 1, it is characterized in that: the end, two ends of described metal tube (2) is provided with threaded connector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220140332 CN202667863U (en) | 2012-04-05 | 2012-04-05 | High frequency welding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220140332 CN202667863U (en) | 2012-04-05 | 2012-04-05 | High frequency welding jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202667863U true CN202667863U (en) | 2013-01-16 |
Family
ID=47488796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220140332 Expired - Fee Related CN202667863U (en) | 2012-04-05 | 2012-04-05 | High frequency welding jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202667863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172297A (en) * | 2021-03-30 | 2021-07-27 | 郑州大轻自动化设备有限公司 | Special ceramic frock of induction brazing |
-
2012
- 2012-04-05 CN CN 201220140332 patent/CN202667863U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172297A (en) * | 2021-03-30 | 2021-07-27 | 郑州大轻自动化设备有限公司 | Special ceramic frock of induction brazing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20160405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |