CN206084240U - A spot welding tool that is used for terahertz solid fixed ring of carcinotron negative pole now - Google Patents

Abstract

The utility model discloses a spot welding tool that is used for terahertz solid fixed ring of carcinotron negative pole now, include: fixed pin (1), base (3), fixed establishment, insulator (4) and jig (6), fixed pin (1) coaxial and rigid coupling is on the lower surface of base (3), and the medial surface cladding of insulator (4) is on the side of base (3), on the lateral surface of two relative faces of the difference cladding of two jig (6) on insulator (4) to it is fixed through fixed establishment, insulator (4) place plane is extended along vertical ascending direction in two jig (6) to be formed with the rectangular channel with tantalum silk matched with along vertical decurrent direction. This a spot welding tool that is used for terahertz solid fixed ring of carcinotron negative pole now has overcome the unable fixed problem of the solid fixed ring of carcinotron negative pole now of the terahertz among the prior art, improves the reliability and the qualification rate of the solid fixed ring spot welding of negative pole greatly.

Description

For the spot-welding equipment of Terahertz backward wave tube cathode retainer ring

Technical field

The utility model is related to spot-welding equipment, in particular it relates to be used for the point welder of Terahertz backward wave tube cathode retainer ring Dress.

Background technology

Terahertz (Terahertz, THz) ripple refers to frequency in 0.1THz～10THz (wavelength is between 3mm～3 μm) model Interior electromagnetic wave is enclosed, Terahertz science and technology is a comprehensive very strong front subject, in the last few years, Terahertz science skill Art is developed rapidly with its mechanism of production aspect, technology for detection improving conveniently and in terms of application technology.THz science The application of technology is badly in need of wanting the development of THz radiation source and THz Detection Techniques, while also be unableing to do without THz ripple various functions devices It is further perfect.The research of Terahertz backward wave tube as terahertz emission source in order to propose, the high frequency system of backward wave tube System is the main part of backward wave tube, and for radio frequency system, Terahertz backward wave tube electron gun system is also even more important, wherein The effect of negative electrode retainer ring is that, for fixed negative pole component, its intensity has been largely fixed the reliability of whole electron gun Property.The purpose of spot-welding equipment be the part tantalum wire and pressure ring of negative electrode retainer ring is spot-welded together, can in the case of the spot welding To ensure to meet a series of requirements.

Therefore, urgently needing to provide one kind can improve Terahertz backward wave tube cathode retainer ring spot welding reliability and qualified The frock of rate.

Utility model content

The purpose of this utility model is to provide a kind of spot-welding equipment for Terahertz backward wave tube cathode retainer ring, and this is used for The spot-welding equipment of Terahertz backward wave tube cathode retainer ring overcomes Terahertz backward wave tube cathode retainer ring of the prior art cannot Fixed problem, greatly improves the reliability and qualification rate of negative electrode retainer ring spot welding.

To achieve these goals, the utility model provides a kind of spot welding for Terahertz backward wave tube cathode retainer ring Frock, the spot-welding equipment includes：Steady pin, pedestal, fixed mechanism, insulator and drill jig, the steady pin is coaxial and is fixed in On the lower surface of the pedestal, the medial surface of the insulator is coated on the side of the pedestal, two drill jigs point It is not coated on the lateral surface in relative two face on the insulator, and is fixed by the fixed mechanism；Described in two Drill jig extends insulator place plane along direction straight up, and is formed with and tantalum wire phase along vertically downward direction The rectangular channel of cooperation.

Preferably, the pedestal includes：Wide section and narrow section, one end of the wide section is fixed in the steady pin, the other end Described narrow section one end is fixed in, the insulator is coated on described narrow section of lateral surface.

Preferably, one end of the steady pin is provided with external screw thread, and on described wide section of an end face fixing groove is provided with, The internal thread being engaged with the external screw thread is provided with the medial surface of the fixing groove.

Preferably, the fixed mechanism includes：Bolt, successively spiral shell wears the drill jig and insulator to the bolt.

Preferably, the fixed mechanism also includes：Pad, the pad is arranged between the bolt and the drill jig.

Preferably, two rectangular channels are provided with the drill jig, and the shape of two drill jigs is identical and correspond It is symmetrically disposed on two relative faces of the insulator.

According to above-mentioned technical proposal, when carrying out spot welding using the frock, first frock is fixed on into spot welding work with steady pin Will not be moved freely with guaranteeing frock on platform；Again part pressure ring is placed on into Chuck top, the rectangle that part tantalum wire passes through drill jig Groove is positioned and secured at pressure ring top, and the spot-welded of negative electrode retainer ring is finally completed in frock.

Other feature and advantage of the present utility model will be described in detail in subsequent specific embodiment part.

Description of the drawings

Accompanying drawing is further understood to of the present utility model for providing, and constitutes a part for specification, and following Specific embodiment be used to explain the utility model together, but do not constitute to restriction of the present utility model.In the accompanying drawings：

Fig. 1 is that the structure for illustrating a kind of spot-welding equipment for Terahertz backward wave tube cathode retainer ring of the present utility model is shown It is intended to；

Fig. 2 is B faces structural representation in Fig. 1；

Fig. 3 is A faces structural representation in Fig. 1；And

Fig. 4 is the structural representation of negative electrode retainer ring.

Description of reference numerals

1- steady pin 2- pads

3- pedestal 4- insulators

5- bolt 6- drill jigs

7- pressure ring 8- tantalum wires

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein Described specific embodiment is merely to illustrate and explains the utility model, is not limited to the utility model.

In the utility model, in the case where contrary explanation is not made, the noun of locality for using such as " upper and lower, left and right " is generally Refer to it is as shown in Figure 1 up and down." inside and outside " refer in specific profile it is interior with it is outer." remote, near " is referred to relative to certain portion Part it is remote with it is near.

The utility model provides a kind of spot-welding equipment for Terahertz backward wave tube cathode retainer ring, it is characterised in that should Spot-welding equipment includes：Steady pin 1, pedestal 3, fixed mechanism, insulator 4 and drill jig 6, the steady pin 1 is coaxial and is fixed in institute State on the lower surface of pedestal 3, the medial surface of the insulator 4 is coated on the side of the pedestal 3, two drill jigs 6 It is respectively coated by the lateral surface in relative two face on the insulator 4, and is fixed by the fixed mechanism；Two institutes State drill jig 6 and extend the place plane of the insulator 4 along direction straight up, and be formed with along vertically downward direction and tantalum The rectangular channel that silk 8 is engaged.

By above-mentioned technical proposal, for the ease of spot welding Terahertz backward wave tube cathode retainer ring, carried out a little using the frock During weldering, first frock being fixed on a welding work table with steady pin 1 will not be moved freely with guaranteeing frock；Again by part pressure ring 7 The top of pedestal 3 is placed on, part tantalum wire 8 is positioned and secured at the top of pressure ring 7 by the rectangular channel of drill jig 6, finally in frock Complete the spot-welded of negative electrode retainer ring.

The utility model is further detailed below in conjunction with accompanying drawing 1- accompanying drawings 4, in the utility model, in order to carry The high scope of application of the present utility model, is especially realized using following specific embodiments.

In a kind of specific embodiment of the present utility model, the fixation of insulator 4 for convenience, and facilitate whole work The fixation of dress, the pedestal 3 includes：Wide section and narrow section, described wide section one end is fixed in the steady pin 1, and the other end is affixed In described narrow section one end, the insulator 4 is coated on described narrow section of lateral surface.

For the ease of spot welding Terahertz backward wave tube cathode retainer ring, it is necessary to fix whole frock, in this kind of embodiment In, one end of the steady pin 1 is provided with external screw thread, and on described wide section of an end face fixing groove, the fixing groove are provided with Medial surface on be provided with the internal thread being engaged with the external screw thread.

In a kind of specific embodiment of the present utility model, the fixed mechanism can include：Bolt 5, the bolt 5 Successively spiral shell wears the drill jig 6 and insulator 4.

By above-mentioned embodiment, the fixation to drill jig 6 and insulator 4 can be facilitated.

In this kind of embodiment, the fixed mechanism can also include：Pad 2, the pad 2 is arranged at the bolt Between 5 and the drill jig 6.

By above-mentioned embodiment, the more stable of whole mechanism's fixation can be caused, will not be slided.

In a kind of specific embodiment of the present utility model, for convenience the fixation of tantalum wire 8 is more stable, described Be provided with two rectangular channels on drill jig 6, and two drill jigs 6 shape it is identical and be symmetrically disposed on it is described absolutely On two relative faces of edge 4.

Preferred embodiment of the present utility model is described in detail above in association with accompanying drawing, but, the utility model is not limited Detail in above-mentioned embodiment, in range of the technology design of the present utility model, can be to skill of the present utility model Art scheme carries out various simple variants, and these simple variants belong to protection domain of the present utility model.

It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each Plant possible combination no longer separately to illustrate.

Additionally, can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.

Claims (6)

1. a kind of spot-welding equipment for Terahertz backward wave tube cathode retainer ring, it is characterised in that the spot-welding equipment includes：It is fixed Pin (1), pedestal (3), fixed mechanism, insulator (4) and drill jig (6), the steady pin (1) coaxially and is fixed in the pedestal (3) on lower surface, the medial surface of the insulator (4) is coated on the side of the pedestal (3), two drill jigs (6) Relative two face being respectively coated by the insulator (4) lateral surface on, and fixed by the fixed mechanism；Two The individual drill jig (6) extends the insulator (4) place plane along direction straight up, and along vertically downward direction shape The rectangular channel that Cheng Youyu tantalum wires are engaged.

2. the spot-welding equipment for Terahertz backward wave tube cathode retainer ring according to claim 1, it is characterised in that described Pedestal (3) includes：Wide section and narrow section, one end of the wide section is fixed in the steady pin (1), and the other end is fixed in described narrow section One end, the insulator (4) is coated on described narrow section of lateral surface.

3. the spot-welding equipment for Terahertz backward wave tube cathode retainer ring according to claim 2, it is characterised in that described One end of steady pin (1) is provided with external screw thread, and on described wide section of an end face fixing groove, the inner side of the fixing groove are provided with The internal thread being engaged with the external screw thread is provided with face.

4. the spot-welding equipment for Terahertz backward wave tube cathode retainer ring according to claim 1, it is characterised in that described Fixed mechanism includes：Bolt (5), successively spiral shell wears the drill jig (6) and insulator (4) to the bolt (5).

5. the spot-welding equipment for Terahertz backward wave tube cathode retainer ring according to claim 4, it is characterised in that described Fixed mechanism also includes：Pad (2), the pad (2) is arranged between the bolt (5) and the drill jig (6).

6. the spot-welding equipment for Terahertz backward wave tube cathode retainer ring according to claim 1, it is characterised in that described It is provided with two rectangular channels on drill jig (6), and the shape of two drill jigs (6) is identical and be symmetrically disposed on institute State on two relative faces of insulator (4).