CN2928345Y

CN2928345Y - A vertical inner centering brazing device

Info

Publication number: CN2928345Y
Application number: CNU200620119049XU
Authority: CN
Inventors: 张海霞; 李鹏
Original assignee: Institute of Electronics of CAS
Current assignee: Institute of Electronics of CAS
Priority date: 2006-07-27
Filing date: 2006-07-27
Publication date: 2007-08-01
Anticipated expiration: 2016-07-27

Abstract

The utility model which disclosed a vertical interior centered braze welding device relates to the microwave electronic manufacturing techniques, comprised a bracket and a timing device. When in use, the molybdenum rod with an upper connecting rod and an upper retaining member socket jointed on one end and a draught link and a lower retaining member on the other end is fixed straightly on the upper horizontal bracket and the lower horizontal bracket. Workpieces, a top molding plate and a lower terrace are infibulated at the middle of the molybdenum rod. The workpieces are put on the top surface of the top molding plate. Before putting the top molding plate into the high frequency brazing furnace, the top molding plate is revised perpendicular with the molybdenum rod. The utility model is capable of insuring orthogonality of the discreteness in travelling wave tube in sealing import and export. So the throughput efficiency of the travelling wave tube is improved.

Description

A kind of vertical interior centering brazing device

Technical field

The utility model relates to microwave electron manufacturing technology field, specifically is applicable to a kind of vertical interior centering brazing device that travelling-wave tubes is made.

Background technology

For making the modernization of national defense, China also attach great importance to the electronic jamming device that is applied to various occasions.The broadband high power travelling wave tube had obtained extensive use in modern age in the advanced weaponry equipment as airborne, carrier-borne and continental rise countermeasures set final stage power amplifier.

The welding of the metal welding seam of microwave travelling-wave tubes, what adopt is high frequency brazing technology, goes out the intact pipe of percent of pass (97%-100%) for guaranteeing sealing-in, must will guarantee perpendicularity when sealing-in input, output precision, at present, still do not satisfy the processing unit (plant) of this requirement.We design interior centering braze welding flat, at present this in the centering braze welding flat successful be applied in DB121,, in the tubulation of E3137.

The utility model content

The utility model purpose provides a kind of vertical interior centering brazing device, and vertical mutually in the time of can guaranteeing sealing-in input, output precision, the travelling-wave tubes that sealing-in is gone out reaches vertical purpose substantially, has guaranteed the raising of travelling-wave tubes percent of pass.

For achieving the above object, technical solution of the present utility model provides a kind of vertical interior centering brazing device, comprises a holder part, an adjustment part; Holder part comprises support and base, and support is made up of column, level frame, paralell, and wherein, column is perpendicular to base, and its lower end and base are affixed; Level frame and paralell are positioned at column one side, and movable ground is affixed; Level frame comprises level frame, following level frame, and the structure of last level frame, following level frame and paralell is identical, all is made up of clamp, clamp seat and screw; The groove of the right-hand member of each clamp seat and column one side is suitable, affixed; Each clamp is stretched out by the left end of each clamp seat respectively, and the clamp middle part is provided with vertical through hole, and each through hole left side is provided with horizontal screw, respectively is furnished with clamp-screw in the horizontal screw;

Its holder part also comprises upper connecting rod post and drop-down roofbolt, and upper connecting rod post and drop-down roofbolt pass the vertical through hole of level frame, following level frame respectively, is fixed in by clamp-screw and locatees in the hole; In the outside of upper connecting rod post and drop-down roofbolt, be respectively equipped with fastener and following fastener, with the screw thread bolt on the two pull bar post peripheries circle;

Adjustment partly comprises lower platform, upper mounting plate; The side-looking of lower platform such as T shape comprise table top and support column, and the central shaft of support column is provided with through hole, be positioned on the central axis of table top, and with the table top quadrature, below table top; Table top is circular, and ring-type evenly distributes three and connects screw on it, is bolted with adjustment screw in each screw, and adjustment screw one end is the frustum of a cone, and other end tack is provided with screwdriver slot; The frustum of a cone of adjustment screw is stretched out by screw, is positioned at the top of table top upper surface; The moving contact in the frustum of a cone top of three adjustment screw upper mounting plate; Upper mounting plate is circular, and suitable with the table top of lower platform, the central axis of upper mounting plate is provided with through hole;

Paralell is connected with the lower platform of adjustment part in the vertical through hole on the clamp of paralell between last level frame and following level frame, the support column of lower platform is positioned at vertical through hole, and is fixed in the hole by clamp-screw and locatees.

Described vertical interior centering brazing device, its described fastener and following fastener of going up, structure is identical, all comprises the first pull bar tapered end, the second pull bar tapered end, first nut, second nut, and screw thread and first nut, second nut on the pull bar post periphery circle are spirally connected in proper order; The second pull bar tapered end is the cross hollow tube, and its major part is made up of several grippers, and the periphery circle is provided with screw thread, and the through hole of microcephaly's external diameter and upper connecting rod post and drop-down roofbolt is suitable, and is plugged in this through hole; Second pull bar tapered end periphery circle middle part is provided with boss; The first pull bar tapered end is the ring-type block, and through hole is arranged on the axis, and through hole one end is a straight hole, and inwall is provided with screw thread, and the other end is for pushing away eight shape holes, and is from inside to outside gradually little; Behind the screw thread bolt on the straight hole of the first pull bar tapered end and the second pull bar tapered end periphery circle, the inwall that pushes away eight shape holes amplexiforms the outer peripheral face in gripper.

Described vertical interior centering brazing device, it also comprises molybdenum rod, the through hole of the through hole of the axially extending bore of the described second pull bar tapered end, upper connecting rod post and drop-down roofbolt, the through hole of lower platform, upper mounting plate is all suitable with the external diameter of molybdenum rod, can hold molybdenum rod and pass through.

Described vertical in the centering brazing device, its described ring-type evenly distributes three and connects screws, promptly three screws are 120 ° at interval.

Described vertical in the centering brazing device, it is under user mode, the molybdenum rod two ends are wearing the upper connecting rod post respectively, go up fastener and drop-down roofbolt, fastener, and stretching being fixed on level frame, the following level frame down; Molybdenum rod middle part is wearing workpiece, upper mounting plate, lower platform, and workpiece places the upper mounting plate upper surface, and upper mounting plate places the high frequency brazing stove with after molybdenum rod is mutual vertical.

Described vertical interior centering brazing device, its described workpiece is travelling-wave tubes, molybdenum rod is set in the helical hole of travelling-wave tubes.

Vertical interior centering brazing device of the present utility model can guarantee that travelling-wave tubes is vertical mutually when sealing-in input, output precision, has guaranteed the raising of travelling-wave tubes percent of pass.

Description of drawings

Fig. 1 is a kind of vertical interior centering brazing device structural representation of the utility model;

Fig. 2 is the first Draw bar lock header structure figure of the present utility model, and wherein, Fig. 2 a is the vertical view of the first pull bar tapered end, and Fig. 2 b is a cutaway view;

Fig. 3 is the second Draw bar lock header structure figure of the present utility model, and wherein, Fig. 3 a is the vertical view of the second pull bar tapered end, and Fig. 3 b is a cutaway view;

Fig. 4 is pull bar rod structure figure of the present utility model;

Fig. 5 is a upper mounting plate structure chart of the present utility model;

Fig. 6 is a lower platform structure chart of the present utility model, and wherein, Fig. 6 a is the vertical view of lower platform 3,

Fig. 6 b is the A-A cutaway view of Fig. 6 a;

Fig. 7 is a lower platform adjustment screw structure chart of the present utility model.

The specific embodiment

As shown in Figure 1, a kind of vertical interior centering brazing device of the present utility model is made up of two parts: a holder part, an adjustment part.

Holder part comprises support 1 and base 2, and support 1 is made up of column 11, level frame, paralell 13, and wherein, column 11 is perpendicular to base 2, and its lower end and base 2 are affixed.Level frame and paralell 13 are positioned at column 11 1 sides, and movable ground is affixed.

Level frame comprises level frame 12, following level frame 14, and last level frame 12, level frame 14 is identical with the structure of paralell 13 down, all by clamp 121,131,141, and clamp seat 122,132,142 and screw 15 compositions.The groove of the right-hand member of each clamp seat 122,132,142 and column 11 1 sides is suitable, affixed.Each clamp 121,131,141 is stretched out by the left end of each clamp seat 122,132,142 respectively, clamp 121,131,141 middle parts are provided with vertical through hole 123,133,143, each through hole 123,133,143 left side is provided with horizontal screw, respectively is furnished with clamp-screw 15 in the horizontal screw.

Upper connecting rod post 5a and drop-down roofbolt 5b pass the vertical through

hole

123 and 143 of level frame 12, following level frame 14 respectively, are fixed in the hole by clamp-screw 15 and locate.See Fig. 4, be the structural representation of

pull bar post

5a, 5b, it is cylindrical, and an end of periphery circle is provided with screw thread 53, and the internal diameter of this external diameter and vertical through

hole

123 and 143 is suitable, and central axis is provided with through hole 51, in the through hole 51 step 52 can be set as required.

In the outside of upper connecting rod post 5a and drop-down roofbolt 5b, be respectively equipped with fastener 6a and following fastener 6b, two

fastener

6a, 6b structure are identical, all are made up of the first pull bar tapered end 61, the second pull bar tapered end 62, first nut 63, second nut 64.Screw thread 53 on pull bar post 5a, the 5b periphery circle and first nut 63, second nut, 64 orders are spirally connected.The second pull bar tapered end 62 as shown in Figure 3, Fig. 3 a is the vertical view of the second pull bar tapered end, Fig. 3 b is a cutaway view.The second pull bar tapered end 62 is the cross hollow tube, and its major part is made up of several grippers 621, and the periphery circle is provided with screw thread 624, and the through hole 51 of microcephaly 622 external diameter and upper connecting rod post 5a and drop-down roofbolt 5b is suitable, and is plugged in this through hole 51; The second pull bar tapered end, 62 peripheries circle middle part is provided with boss 623.The first pull bar tapered end 61 as shown in Figure 2, Fig. 2 a is the vertical view of the first pull bar tapered end, Fig. 2 b is a cutaway view.Be the ring-type block, through hole is arranged on the axis, through hole one end is a straight hole 611, and inwall is provided with screw thread 613, and the other end is for pushing away eight shape holes 612, and is from inside to outside gradually little.Behind screw thread 624 bolts on the straight hole 611 of the first pull bar tapered end 61 and the second pull bar tapered end, the 62 peripheries circle, the inwall that pushes away eight shape holes 612 amplexiforms in the outer peripheral face of gripper 621, go out along with the spiral shell of the first pull bar tapered end 61 advances spiral shell, the gripper 621 that makes the second pull bar tapered end 62 diametrically promptly or loosen.

The first pull bar tapered end 61, the second pull bar tapered end 62, upper connecting rod post 5a and drop-down roofbolt 5b make with beryllium-bronze material.

Paralell 13 is connected with the lower platform 3 of adjustment part in the vertical through hole 133 on the clamp 131 of paralell 13 between last level frame 12 and following level frame 14.

Adjustment partly comprises lower platform 3, upper mounting plate 4, sees Fig. 6, is the structure chart of lower platform 3, and wherein, Fig. 6 a is the vertical view of lower platform 3, and Fig. 6 b is the A-A cutaway view of Fig. 6 a.The side view of lower platform 3 such as T shape are made up of table top 32 and support column 33, and the central shaft of support column 33 is provided with through hole 34, be positioned on the central axis of table top 32, and with table top 32 quadratures, below table top 32; Support column 33 is positioned at vertical through hole 133, and is fixed in the hole by clamp-screw 15 and locatees.Table top 32 is circular, and ring-type evenly distributes three and connects screw 31 on it, is bolted with adjustment screw 35 in each screw 31, promptly three adjustment screw 35 are 120 ° at interval, the structure of adjustment screw 35 is seen Fig. 7, and the one end is the frustum of a cone 351, and other end tack is provided with screwdriver slot 352.The frustum of a cone 351 of adjustment screw 35 is stretched out by screw 31, is positioned at the top of table top 32 upper surfaces.The moving contact in the frustum of a cone 351 tops of three adjustment screw 35 upper mounting plate 4 sees that Fig. 5 is the structure chart of upper mounting plate 4, and upper mounting plate 4 is circular, and suitable with the table top 32 of lower platform 3, diameter is identical or slightly smaller.The central axis of upper mounting plate 4 is provided with through hole 41, in the through hole 41 step 42 can be set as required.

Lower platform 3, upper mounting plate 4 and three adjustment screw 35 are all made with stainless steel material.

The through hole 41 of the through hole 51 of the axially extending bore of the second pull bar tapered end 62, upper connecting rod post 5a and drop-down roofbolt 5b, the through hole 34 of lower platform 3, upper mounting plate 4 is all suitable with the external diameter of molybdenum rod 7, can hold molybdenum rod 7 and pass through.

In order to allow electronics annotate and radio-frequency field positive energy exchange fully in the microwave travelling-wave tubes, must guarantee the percent of pass that electronics is annotated, so just must be vertical when sealing-in input, output precision, the utility model provide this cover special-purpose in centering sealing-in brazing device.Can pierce into the molybdenum rod 7 of helical according to the requirement processing in each cast helical aperture.

Distance in the adjusting between level frame 12, following level frame 14 and the paralell 13, and be fixed in column 11 1 sides.

The movable microwave travelling-wave tubes 8 to be processed of laying on upper mounting plate 4, pierce into the axially extending bore of the first pull bar tapered end 61 of fastener 6a in regular turn from the top down with molybdenum dried 7, the axially extending bore of the second pull bar tapered end 62, the through hole 51 of upper connecting rod post 5a, the helical hole of microwave travelling-wave tubes 8, the through hole 41 of upper mounting plate 4, the through hole 34 of lower platform 3, the through hole 51 of drop-down roofbolt 5b, the axially extending bore of the second pull bar tapered end 62 of following fastener 6b, the axially extending bore of the first pull bar tapered end 61, advance with the first pull bar tapered end, 61 spiral shells then, tighten the gripper 621 of the second pull bar tapered end 62, molybdenum is done 7 two ends to be fixed, stretching, with clamp-screw 15 upper connecting rod post 5a and drop-down roofbolt 5b are fixed tightly on level frame 12 and the following level frame 14 again.

Square is placed on leans against on the molybdenum rod 7 on the upper mounting plate 4, regulate three adjustment screw 35 on the lower platform 3 again, make the angle of each adjustment screw 35 all reach vertical, be that upper mounting plate 4 is vertical with molybdenum rod 7, in like manner, it is also vertical mutually to be placed on input and the output precision of microwave travelling-wave tubes 8 of upper mounting plate 4.

The vertical interior centering sealing-in brazing device that mixes up, have microwave travelling-wave tubes 8 is put into the high frequency brazing stove, carry out soldering processes, finish the vertical sealing-in of input, output precision.

Claims

1. A vertical inner centering brazing device, comprising a bracket part and an adjustment part; the bracket part includes a bracket and a base, and the bracket is composed of a column, a horizontal frame, and a platform frame, wherein the column is perpendicular to the base, and its lower end is connected to the The base is fixed; the horizontal frame and the platform frame are located on one side of the column and are fixed in a movable manner; the horizontal frame includes an upper horizontal frame and a lower horizontal frame. , clip seat and screws; the right end of each clip seat fits with the groove on one side of the column and is fixedly connected; each clip protrudes from the left end of each clip seat respectively, and a vertical through hole is provided in the middle of the clip, and each through hole There is a horizontal screw hole on the left side, and each horizontal screw hole is equipped with a fastening screw;

It is characterized in that the bracket part also includes an upper tie rod column and a lower tie rod column, and the upper tie rod column and the lower tie rod column pass through the vertical through holes of the upper horizontal frame and the lower horizontal frame respectively, and are fixed in the holes by fastening screws for positioning; The outside of the tie rod column and the pull rod column are respectively provided with an upper fastener and a lower fastener, which are screwed together by threads on the outer circumference of the two tie rod columns;

The adjustment part includes the lower platform and the upper platform; the side view of the lower platform is T-shaped, including the table top and the supporting column. The bottom of the table top; the table top is circular, and three through screw holes are evenly distributed in a circular shape on it, and each screw hole is screwed with an adjusting screw. The truncated cone protrudes from the screw hole and is located above the upper surface of the table; the top of the truncated cone of the three adjustment screws is in dynamic contact with the upper platform; the upper platform is circular and fits the table of the lower platform, and the central axis of the upper platform provided with through holes;

The platform frame is located between the upper horizontal frame and the lower horizontal frame. The lower platform of the adjustment part is fixedly connected to the vertical through hole on the clip of the platform frame. The supporting column of the lower platform is located in the vertical through hole and fixed by fastening screws. Position in the hole.

2. The vertical inner centering brazing device according to claim 1, characterized in that, the upper fastener and the lower fastener have the same structure, and both include a first tie rod lock head, a second tie rod lock head, The first nut, the second nut, the threads on the outer circumference of the tie rod column are screwed with the first nut and the second nut in sequence; the second tie rod lock is a cross-shaped hollow tube, and its large head is composed of several claws. There are threads on the top, and the outer diameter of the small head is adapted to the through holes of the upper and lower rod columns, and inserted into the through holes; the middle part of the outer circumference of the second tie rod lock head is provided with a boss; the first tie rod lock head It is a ring-shaped block with a through hole on the axis. One end of the through hole is a straight hole, the inner wall is provided with a thread, and the other end is a push-shaped hole, which gradually becomes smaller from the inside to the outside; the straight hole of the first pull rod lock is connected to the second After the screw threads on the outer circumference of the two pull rod lock heads are screwed together, the inner wall of the eight-shaped hole is attached to the outer peripheral surface of the gripper.

3. The vertical inner centering brazing device according to claim 1, further comprising a molybdenum rod, the axial through hole of the lock head of the second tie rod, the through hole of the upper tie rod column and the lower tie rod column, The through hole of the lower platform and the through hole of the upper platform are all compatible with the outer diameter of the molybdenum rod, and can accommodate the molybdenum rod to pass through.

4. The vertical inner centering brazing device according to claim 1, characterized in that there are three through screw holes uniformly distributed in the ring shape, that is, the three screw holes are spaced at 120° intervals.

5. The vertical inner centering brazing device according to claim 1, 2 or 3, characterized in that, in the state of use, the two ends of the molybdenum rod are respectively sheathed on the upper rod column, the upper fastener and the lower rod column , the lower fastener, and straightened and fixed on the upper horizontal frame and the lower horizontal frame; the middle part of the molybdenum rod wears the workpiece, the upper platform, and the lower platform, and the workpiece is placed on the upper surface of the upper platform. After the upper platform and the molybdenum rod are perpendicular to each other , placed in a high frequency brazing furnace.

6. The vertical inner centering brazing device according to claim 5, wherein the workpiece is a traveling wave tube, and the molybdenum rod is inserted into the spiral hole of the traveling wave tube.