CN207077355U - A kind of processing tool of four-arm spiral antenna - Google Patents
A kind of processing tool of four-arm spiral antenna Download PDFInfo
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- CN207077355U CN207077355U CN201720895414.4U CN201720895414U CN207077355U CN 207077355 U CN207077355 U CN 207077355U CN 201720895414 U CN201720895414 U CN 201720895414U CN 207077355 U CN207077355 U CN 207077355U
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Abstract
The utility model, which is created, provides a kind of processing tool for four-arm spiral antenna, including bending tool, heat treatment tooling and welding tooling.The bending tool, heat treatment tooling and welding tooling individually play a role in respective manufacturing procedure, and promote four-arm spiral antenna to obtain the reliable installation of high accuracy jointly in the whole manufacturing procedure of four-arm spiral antenna.The utility model, which is created, enables to four-arm spiral antenna to realize accurate bending, sizing and installation positioning in the case of without benchmark.
Description
Technical field
The invention belongs to microwave product manufacturing technology field, and in particular to the processing tool of four-arm spiral antenna.
Background technology
Helix, it is the key structure for realizing microwave energy amplification.The pitch of spiral, it is an important ginseng of radiating system
Number, the radiation characteristic and coupled impedance of antenna are directly influenced, therefore control pitch precision during helix winding for antenna
Performance it is most important.Four-arm spiral antenna by four helix Combination Weldings feedback pipe on, the relative position of four helixes,
Axle ratio, gain and the directional diagram of antenna are directly affected, therefore process unit is particularly important to four-arm spiral antenna.
Four-arm spiral antenna and its mounting structure are as shown in figure 1,4 helical antennas 01 are distributed on the surrounding of feedback pipe 02, spiral shell
The both ends for revolving antenna 01 are in 180 ° symmetrical two straightways 011 staggeredly, by inclining across 180 ° among two straightways 011
The one section of integrally connected of curved section 012 tiltedly extended, two ends of the straightway 011 are individually fixed on feedback pipe 02.
For example, during certain model satellite gps antenna is developed, it is related to the stainless steel wire (1Cr18Ni9Ti of diameter phi 2
Q Corkscrews part), helical antenna can not be removed from the frock of sizing and straightway warpage, bending position after removing by force
Size is destroyed, and only measures control by slide calliper rule during Product jointing, and the product after welding is also easy to produce ruled surface, four
The defects of bar helix decentraction, finished product rate is extremely low.
Be currently used for carrying out helical antenna bending wire bending machine bending precision is low, deformability control deficiency, need to carry out
Lot of experiments finds rebound law control deformation, and economy is poor for be pilot.
The content of the invention
In view of this, the invention is directed to a series of processing tool of four-arm spiral antennas, enables to four arms
Helical antenna realizes accurate bending, sizing and installation positioning in the case of without benchmark.
The invention provide firstly a kind of mandrel for helical antenna, and the mandrel is divided at least 3 sections vertically,
And it is attached by the screw across each section；The mandrel is provided with positioning table along two end faces of axle, the positioning table
Position of the position respectively with two straightways of helical antenna matches；Half of side of the mandrel periphery is provided with spiral
Groove, the both ends of the helicla flute two relative end abutments with two positioning tables respectively, the position of the helicla flute
Match with the position of the curved section of helical antenna；Two positioning tables and helicla flute of the mandrel collectively form helical antenna
Structure channel.
Further, the height of the positioning table is more than the 1/2 of the diameter of the helical antenna, and the depth of the helicla flute is
The 1/2 of the diameter of the helical antenna, the mandrel are divided into 3 sections vertically.
Further, the mandrel is additionally provided with the connecting hole that can be used in being connected with other mechanisms along two end faces of axle,
The connecting hole can be screwed hole, and quantity is preferably 4.
The invention also provides a kind of bending tool for helical antenna, the bending tool include the mandrel with
And the sleeve outside the mandrel can be set in, the cylinder of the sleeve, which is provided with, can be such that the mandrel is pressed in cylinder
The pressing device of side wall.
Further, the pressing device can be at least one tapped through hole for screwing the cylinder for being arranged at the sleeve
On drive screw.The drive screw is preferably set to two.
The invention also provides a kind of heat treatment tooling for helical antenna, mandrel described in the heat treatment tooling with
And a pair of cover plates, the cover plate inner side are provided with boss, the boss can match with the positioning table of the mandrel and form receiving
The passage of the straightway of helical antenna；Compressing member is additionally provided with the cover plate, the compressing member makes spiral from lateral surface compressing mandrel
The straightway of antenna is clamped between positioning table and boss；The cover plate can be removably fixed on the end face of the mandrel.
Further, the convex height is equal to or slightly less than the diameter of helical antenna, preferably no less than helical antenna
The 1/2 of diameter.
Further, the compressing member can be that can screw the housing screw being arranged on the tapped through hole of the cover plate.
Further, the cover plate can be realized removable with the mandrel by the fixing screws matched with the connecting hole
Unload fixation.
The invention also provides a kind of welding tooling for four-arm spiral antenna, and the welding tooling is included in welding
Frock and the lower frock two parts of welding；The bottom center of frock is provided with the counter sink for being used for fixed feedback pipe in the welding, described
There are 4 upper bar-shaped troughs for being used to fix the straightway of helical antenna, center in the counter sink in counter sink periphery in cross equispaced
Open up fixed via, the uniform 4 welding procedure through holes of surrounding in the counter sink, one end of the upper bar-shaped trough respectively with it is described
Welding procedure through hole connects, and the other end is respectively equipped with bending through hole；Frock surrounding is additionally provided with curved wall in the welding,
The upper curved wall is interspersed with the upper bar-shaped trough, diameter of a circle where the inner arc of the upper curved wall and spiral day
Diameter of a circle where the curved section periphery of line matches；Frock is symmetrically divided into two frocks being detachably connected under the welding
Block, after described two frock block splits, bottom center is in that can clamp the lower through-hole of feedback pipe, and the lower through-hole periphery is equal in cross
Be furnished with 4 lower bar-shaped troughs for being used to fix the straightway of helical antenna, one end of the lower bar-shaped trough respectively with the lower through-hole
Connection, the other end are respectively equipped with lower bending deep gouge；Frock surrounding is additionally provided with arc lower side wall, the arc lower side under the welding
Wall is interspersed with the lower bar-shaped trough, outside the curved section of diameter of a circle and helical antenna where the inner arc of the arc lower side wall
Diameter of a circle where all matches.
Further, two frock blocks of frock can be real by the grab of mutual cooperation or screw hole etc. under the welding
Now it is detachably connected.
The invention also provides a kind of processing tool for four-arm spiral antenna, including the bending tool, Re Chu
Science and engineering is filled with and welding tooling.The bending tool, heat treatment tooling and welding tooling are independent in respective manufacturing procedure
Play a role, and promote four-arm spiral antenna to obtain the reliable peace of high accuracy jointly in the whole manufacturing procedure of four-arm spiral antenna
Dress.
Relative to prior art, present invention wound has the advantage that：
(1) the invention one of solve the problems, such as be helical antenna formation problems.To processing tool (bending tool,
Heat treatment tooling) size is finely adjusted, and can be to obtain the helical antenna of different pitch, lead angle.Helical antenna is from frock
Upper dismounting is wide, versatile without constraint, applicability.
(2) helical antenna materials behavior is consistent with dbjective state, can realize accurate sizing, avoid machining deformation.For
This kind of microwave product of helical antenna, batch is smaller, and required precision is higher, and processing tool (bending tool, heat treatment tooling) can
Realization ensures quality while reducing cost, has higher qualification rate, is processed suitable for small lot.
(3) welding tooling ensure that the sizing problem of helical antenna before and after welding, improve machining accuracy.
Brief description of the drawings
The accompanying drawing of the invention is used for providing further understanding the invention, the relevant tool device in accompanying drawing
Only as exemplary reference, the improper restriction to the invention is not formed.In the accompanying drawings：
Fig. 1 is four-arm spiral antenna and its mounting structure schematic diagram；
Fig. 2 is core shaft structure schematic diagram；
Fig. 3 is bending tool structural representation；
Fig. 4 is heat treatment tooling structural representation；
Fig. 5 is the demolishing process schematic diagram of mandrel；
Fig. 6 is welding tooling structural representation；
Fig. 7 is the structural representation of welding tooling and helical antenna matching status.
01- helical antennas；011- straightways；012- curved sections；02- feedback pipes；100- mandrels；101- screws；102- is positioned
Platform；103- helicla flutes；104- connecting holes；200- sleeves；201- cylinders；202- drive screws；300- cover plates；301- boss；302-
Compressing member；303- fixing screws；Frock in 400- welding；401- counter sinks；The upper bar-shaped troughs of 402-；403- fixed vias；404-
Welding procedure through hole；The upper bending through holes of 405-；The upper curved walls of 406-；The lower frock of 500- welding；501- lower through-holes；Bar under 502-
Shape groove；Bending deep gouge under 503-；504- arc lower side walls.
Embodiment
Describe the invention in detail below with reference to the accompanying drawings.
The processing tool of the four-arm spiral antenna of the invention, including bending tool (Fig. 3), heat treatment tooling (Fig. 4)
And welding tooling (Fig. 6), the bending tool, heat treatment tooling and welding tooling are individually sent out in respective manufacturing procedure
The effect of waving, and promote four-arm spiral antenna to obtain the reliable peace of high accuracy jointly in the whole manufacturing procedure of four-arm spiral antenna
Dress.
The processing tool is provided with mandrel 100 (Fig. 2), and the mandrel 100 can be respectively as bending tool and heat treatment
One live part of frock.The mandrel 100 is divided at least 3 sections vertically, and is connected by the screw 101 across each section
Connect；Two end faces of the mandrel 100 along axle are provided with positioning table 102, the position of the positioning table 102 respectively with helical antenna
The positions of two straightways 011 match；Half of side of the periphery of mandrel 100 is provided with helicla flute 103, the spiral
The both ends of groove 103 two relative end abutments with two positioning tables 102 respectively, the position of the helicla flute 103 with
The position of the curved section 012 of helical antenna matches；Two positioning tables 102 and helicla flute 103 of the mandrel 100 collectively form
The structure channel of helical antenna.
One of an important factor for setting of mandrel 100 is guarantee helical antenna machining accuracy, bending is carried out in helical antenna
During heat treatment, it can effectively ensure that process helix does not become in positioning table 102 and helicla flute 103
Shape.In addition, subsection setup of the mandrel 100 along axle can it is ingenious using interlude can extract out the characteristics of, avoid traditional processing work
Upper and lower ends are by helical antenna straightway 011 and spiral fillet (corner that straightway 011 and curved section 012 connect) in skill
The phenomenon of damage can not be removed or removed to limitation.Demolishing process as shown in figure 5, screw 101 dismantle after, first by mandrel 100
Between section detach, then direction of the one of mandrel frontside edge section along helicla flute 103 is rotated down certain distance, then removes,
The interference that can so avoid helical antenna straightway 011 and spiral fillet from removing frock.
Further, the height of the positioning table 102 is more than the 1/2 of the diameter of the helical antenna, the helicla flute 103
Depth is the 1/2 of the diameter of the helical antenna, and the mandrel 100 is divided into 3 sections vertically.
Further, the mandrel 100 is additionally provided with along two end faces of axle can be used in and other mechanisms (such as following lid
Plate 300) connection connecting hole 104, the connecting hole 104 can be screwed hole, and quantity is preferably 4.
The bending tool includes the mandrel 100 and the sleeve 200 that can be set in outside the mandrel 100 (figure
3), the cylinder 201 of the sleeve 200 is provided with the pressing device that the mandrel 100 can be made to be pressed in the madial wall of cylinder 201.
Further, the pressing device can be at least one spiral shell for screwing the cylinder 201 for being arranged at the sleeve 200
Drive screw 202 on line through hole.The drive screw 202 is by screwing the depth goed deep into the sleeve 200 of adjustment, and by mandrel
100 are pressed in the madial wall of cylinder 201 of sleeve 200 from side wall.The drive screw 202 is preferably set to two.
Mandrel 100 described in the heat treatment tooling and a pair of cover plates 300 (Fig. 4), the inner side of cover plate 300 are provided with boss
301, the boss 301 can match and be formed the straightway 011 for accommodating helical antenna with the positioning table 102 of the mandrel 100
Passage；Compressing member 302 is additionally provided with the cover plate 300, the compressing member 302 makes helical antenna from lateral surface compressing mandrel 100
Straightway 011 be clamped between positioning table 102 and boss 301；The cover plate 300 can be removably fixed in the mandrel
On 100 end face.
Further, the height of the boss 301 is equal to or slightly less than the diameter of helical antenna, preferably no less than spiral day
The 1/2 of the diameter of line, it is easy to be clamped the straightway 011 of helical antenna.
Further, the compressing member 302 can be that can screw the compression spiral shell being arranged on the tapped through hole of the cover plate 300
Nail.
Further, the cover plate 300 can be realized by the fixing screws 303 that are matched with the connecting hole 104 with it is described
Mandrel 100 is detachably fixed.
The welding tooling includes the upper frock 400 of welding and the lower two parts of frock 500 (Fig. 6, Fig. 7) of welding；The welding
The bottom center of upper frock 400 is provided with the counter sink 401 for being used for fixed feedback pipe 02, and the periphery of counter sink 401 is in cross equispaced
There are 4 upper bar-shaped troughs 402 for being used to fix the straightway 011 of helical antenna, center opens up fixed via in the counter sink 401
403, the uniform 4 welding procedure through holes 404 of surrounding in the counter sink 401, one end of the upper bar-shaped trough 402 respectively with it is described
Welding procedure through hole 404 connects, and the other end is respectively equipped with bending through hole 405；The surrounding of frock 400 is additionally provided with the welding
Curved wall 406, the upper curved wall 406 are interspersed with the upper bar-shaped trough 402, the upper curved wall 406 it is interior
Diameter of a circle where the periphery of curved section 012 of diameter of a circle and helical antenna where arc matches；Frock 500 is right under the welding
Claim to be divided into two frock blocks being detachably connected, after described two frock block splits, bottom center is in that can clamp feedback pipe 02
There are 4 lower bar shapeds for being used to fix the straightway 011 of helical antenna lower through-hole 501, the periphery of lower through-hole 501 in cross equispaced
Groove 502, one end of the lower bar-shaped trough 502 connect with the lower through-hole 501 respectively, and the other end is respectively equipped with lower bending deep gouge
503；The surrounding of frock 500 is additionally provided with arc lower side wall 504, the arc lower side wall 504 and the lower bar-shaped trough under the welding
502 are interspersed, where the periphery of curved section 012 of diameter of a circle and helical antenna where the inner arc of the arc lower side wall 504
Diameter of a circle matches.
Wherein, the upper bar-shaped trough 402 of the welding tooling and lower bar-shaped trough 502 are respectively used to the straightway to helical antenna
011 fixes, and upper bending through hole 405 and lower bending deep gouge 503 are respectively used to avoid the spiral fillet of helical antenna (straight
The corner that line segment 011 and curved section 012 connect, also referred to as bending part) interference with upper bar-shaped trough 402 or lower bar-shaped trough 502,
The welding procedure through hole 404, which is used to weld, to be observed, and the fixed via 403 is used to realize that welding tooling is managed with feedback by screw
02 fixation, the upper curved wall 406 and arc lower side wall 504 are respectively used to limit the curved section 012 of helical antenna
Position is fixed.The welding tooling can ensure：1st, eliminate the feedback machine of pipe 02 and add influence of the deformation to helical antenna welding；2nd, four are ensured
Bar helical antenna upper and lower side is in approximately the same plane and is mutually perpendicular to；3rd, outside dimension requires before and after ensureing helical antenna weldering, prevents
Only machining deformation.
Further, two frock blocks of frock 500 can pass through the grab or screw hole of mutual cooperation under the welding
It is detachably connected Deng realization.
Using above-mentioned frock, one to four-arm spiral antenna brief process is as follows：By with lathe around making
Helix installation sleeve 200, ensures that side positioning table 102 protrudes sleeve on mandrel 100 as in helicla flute 103 on mandrel 100
200.Mandrel 100 is pressed in the madial wall of cylinder 201 of sleeve 200 by the drive screw 202 of the side of sleeve 200 from side wall, made
The curved section 012 of helical antenna is fixed, and avoids follow-up bending operation from causing torsional deformation to curved section 012.By sleeve
200 are fixed with vice clamping, will need bending with the pliers of winding medical adhesive tape and the helix alignment of straightway 011 is made,
The positioning table 102 direction bending prominent to mandrel 100 of the helix of alignment, square iron are cured with helix contact surface using square iron
Wound with adhesive tape, protect helix, the helix after alignment is had to the positioning table protruded with mandrel 100 with hammer percussion square iron
The trend of 102 fittings, sleeve 200 is removed.Opposite side helix bending is completed in the same manner.
Mandrel 100 with bending rear screw line is combined to form heat treatment tooling with cover plate 300, using compressing member 302
From lateral surface compressing mandrel 100, the straightway 011 of helical antenna is clamped between positioning table 102 and boss 301 and positioned,
Then heat treating regime as required is shaped to helix, forms a helical antenna 01.Spiral after heat treatment
The radius precision of antenna 01 can reach ± 0.05mm.
4 helical antennas 01 are positioned by welding tooling, in welding frock 400 by screw and fixed via 403 with
Feedback pipe 02 connects, and welds lower frock 500 and is clamped in by two frock blocks on the feedback cylinder of pipe 02.Then to helical antenna 01 and feedback
Pipe 02 is subjected to, and welding process can be observed by welding procedure through hole 404.Welding tooling is removed after the completion of welding
.
The preferred embodiment of the invention is the foregoing is only, is not intended to limit the invention creation, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc., the invention should be included in
Protection domain within.
Claims (5)
1. a kind of welding tooling for four-arm spiral antenna, the welding tooling includes the upper frock of welding and the lower frock two of welding
Part；
The bottom center of frock is provided with the counter sink for being used for fixed feedback pipe in the welding, and the counter sink periphery is in cross equispaced
There are 4 upper bar-shaped troughs for being used to fix the straightway of helical antenna, center opens up fixed via, the countersunk head in the counter sink
The uniform 4 welding procedure through holes of surrounding in hole, one end of the upper bar-shaped trough connects with the welding procedure through hole respectively, another
End is respectively equipped with bending through hole；Frock surrounding is additionally provided with curved wall in the welding, the upper curved wall with it is described
Upper bar-shaped trough is interspersed, circle where the curved section periphery of diameter of a circle and helical antenna where the inner arc of the upper curved wall
Diameter match；
Frock is symmetrically divided into two frock blocks being detachably connected under the welding, after described two frock block splits, in bottom
There are 4 straight lines for being used to fix helical antenna centre in the lower through-hole that can clamp feedback pipe, the lower through-hole periphery in cross equispaced
The lower bar-shaped trough of section, one end of the lower bar-shaped trough connect with the lower through-hole respectively, and the other end is respectively equipped with lower bending deep gouge；
Frock surrounding is additionally provided with arc lower side wall under the welding, and the arc lower side wall is interspersed with the lower bar-shaped trough, described
Diameter of a circle where the curved section periphery of diameter of a circle and helical antenna where the inner arc of arc lower side wall matches.
2. the welding tooling according to claim 1 for four-arm spiral antenna, it is characterised in that frock under the welding
Two frock blocks can be detachably connected by realizations such as the grab of mutual cooperation or screw holes.
3. a kind of processing tool for four-arm spiral antenna, including bending tool, heat treatment tooling and claim 1-2 appoint
Welding tooling described in one；
The bending tool, including mandrel and the sleeve that can be set in outside the mandrel, set on the cylinder of the sleeve
There is the pressing device that the mandrel can be made to be pressed in cylinder madial wall；
The heat treatment tooling, including mandrel and a pair of cover plates, the cover plate inner side are provided with boss, and the boss can be with institute
The positioning table for stating mandrel matches and forms the passage for the straightway for accommodating helical antenna；Compressing member, institute are additionally provided with the cover plate
State compressing member makes the straightway of helical antenna be clamped between positioning table and boss from lateral surface compressing mandrel；The cover plate can
Dismounting is fixed on the end face of the mandrel；
Wherein, the mandrel of the bending tool and/or heat treatment tooling has following structure：The mandrel is divided at least vertically
3 sections, and be attached by the screw across each section；The mandrel is provided with positioning table, the positioning along two end faces of axle
Position of the position of platform respectively with two straightways of helical antenna matches；Half of side of the mandrel periphery is provided with spiral shell
Spin slot, the both ends of the helicla flute two relative end abutments with two positioning tables respectively, the position of the helicla flute
Put and match with the position of the curved section of helical antenna；Two positioning tables and helicla flute of the mandrel collectively form helical antenna
Structure channel.
4. the processing tool according to claim 3 for four-arm spiral antenna, it is characterised in that in the mandrel, institute
1/2 of height more than the diameter of the helical antenna of positioning table is stated, the depth of the helicla flute is the straight of the helical antenna
The 1/2 of footpath, the mandrel are divided into 3 sections vertically.
5. the processing tool according to claim 3 for four-arm spiral antenna, it is characterised in that the mandrel is along axle
The connecting hole that can be used in being connected with other mechanisms is additionally provided with two end faces, the connecting hole can be screwed hole, and quantity is preferred
For 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895414.4U CN207077355U (en) | 2017-07-21 | 2017-07-21 | A kind of processing tool of four-arm spiral antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895414.4U CN207077355U (en) | 2017-07-21 | 2017-07-21 | A kind of processing tool of four-arm spiral antenna |
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| Publication Number | Publication Date |
|---|---|
| CN207077355U true CN207077355U (en) | 2018-03-09 |
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ID=61424360
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720895414.4U Active CN207077355U (en) | 2017-07-21 | 2017-07-21 | A kind of processing tool of four-arm spiral antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422074A (en) * | 2018-05-11 | 2018-08-21 | 天津航天机电设备研究所 | A kind of spiral weld electro-beam welding clamper and heat dissipation tool |
-
2017
- 2017-07-21 CN CN201720895414.4U patent/CN207077355U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422074A (en) * | 2018-05-11 | 2018-08-21 | 天津航天机电设备研究所 | A kind of spiral weld electro-beam welding clamper and heat dissipation tool |
| CN108422074B (en) * | 2018-05-11 | 2023-11-10 | 天津航天机电设备研究所 | Spiral weld electron beam welding fixture and heat dissipation tool |
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