CN207534225U - The processing tool and its mandrel of four-arm spiral antenna, bending and heat treatment tooling - Google Patents
The processing tool and its mandrel of four-arm spiral antenna, bending and heat treatment tooling Download PDFInfo
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- CN207534225U CN207534225U CN201720895413.XU CN201720895413U CN207534225U CN 207534225 U CN207534225 U CN 207534225U CN 201720895413 U CN201720895413 U CN 201720895413U CN 207534225 U CN207534225 U CN 207534225U
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- mandrel
- helical antenna
- heat treatment
- tooling
- cover board
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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 four-arm spiral antenna are promoted to obtain the reliable installation of high-precision jointly in the entire manufacturing procedure of four-arm spiral antenna.The utility model creation enables to four-arm spiral antenna to realize accurate bending, sizing and installation positioning in the case of no benchmark.
Description
Technical field
The invention belongs to microwave product manufacturing technology fields, and in particular to the processing tool of four-arm spiral antenna.
Background technology
Helix is the key structure for realizing microwave energy amplification.The screw pitch of spiral is an important ginseng of radiating system
Number directly influences the radiation characteristic and coupled impedance of antenna, therefore controls screw 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,
Axis 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 the straightway 011 to interlock in 180 ° symmetrical two, are inclined among two straightways 011 by crossing over 180 °
One section of 012 integrally connected of curved section 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 of diameter phi 2
The Corkscrews part of (1Cr18Ni9Ti Q), helical antenna can not be removed from the tooling of sizing and straightway warpage, tears open by force
Except rear bending position size is destroyed, and control only is measured by slide calliper rule during Product jointing, the product after welding easily produces
The defects of raw ruled surface, four helix decentractions, finished product rate is extremely low.
, deformability control deficiency low to the wire bending machine bending precision of helical antenna progress bending is currently used for, needs to carry out
A large number of experiments finds rebound law control deformation, and economy is poor for be pilot.
Invention content
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 no benchmark.
The invention provides firstly a kind of mandrel for helical antenna, and the mandrel is divided at least 3 sections in an axial direction,
And it is attached by the screw across each section；The mandrel is equipped with positioning table along two end faces of axis, the positioning table
Position of the position respectively with two straightways of helical antenna matches；Half of side of the mandrel periphery is equipped with spiral
Slot, the both ends of the helicla flute respectively with two opposite end abutments of two positioning tables, 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 in an axial direction.
Further, the mandrel is additionally provided with the connecting hole that can be used in connecting with other mechanisms along two end faces of axis,
The connecting hole can be threaded 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 except the mandrel can be set in, the cylinder of the sleeve, which is equipped 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 set to 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 of cover board, the cover board inside are equipped with boss, the boss can match with the positioning table of the mandrel and form receiving
The channel of the straightway of helical antenna；Compressing member is additionally provided on the cover board, the compressing member makes spiral from lateral surface compressing mandrel
The straightway of antenna is clamped between positioning table and boss；The cover board 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 set on the tapped through hole of the cover board.
Further, the cover board can be realized removable with the mandrel by 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
Tooling and the lower tooling two parts of welding；The bottom center of tooling is equipped with for the counter sink of fixed feedback pipe in the welding, described
Counter sink periphery has 4 for fixing the upper bar-shaped trough of the straightway of helical antenna in cross equispaced, center in the counter sink
Open up fixed hole, surrounding is evenly distributed with 4 welding procedure through-holes in the counter sink, one end of the upper bar-shaped trough respectively with institute
The connection of welding procedure through-hole is stated, the other end is respectively equipped with bending through-hole；Tooling surrounding is additionally provided with curved side in the welding
Wall, the upper curved wall are interspersed with the upper bar-shaped trough, diameter of a circle and spiral shell where the inner arc of the upper curved wall
Diameter of a circle where revolving the curved section periphery of antenna matches；Tooling is symmetrically divided into two works being detachably connected under the welding
Block is filled, after described two tooling block splits, bottom center is in that can clamp the lower through-hole of feedback pipe, and the lower through-hole periphery is in cross
4 are evenly equipped with for fixing the lower bar-shaped trough of the straightway of helical antenna, one end of the lower bar-shaped trough respectively with it is described lower logical
Hole connects, and the other end is respectively equipped with lower bending deep gouge；Tooling surrounding is additionally provided with arc lower side wall, the arc lower under the welding
Side wall is interspersed with the lower bar-shaped trough, 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 periphery matches.
Further, two tooling blocks of tooling 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
It plays a role, and four-arm spiral antenna is promoted to obtain the reliable peace of high-precision jointly in the entire manufacturing procedure of four-arm spiral antenna
Dress.
Relative to the 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, the helical antenna of different screw pitch, helix angle can be obtained.Helical antenna is from tooling
Upper to remove without constraint, applicability is wide, versatile.
(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.
Description of the drawings
The attached drawing of the invention is used for providing further understanding the invention, the relevant tool device in attached drawing
Only as illustrative reference, the improper restriction to the invention is not formed.In the accompanying drawings：
Fig. 1-2 is four-arm spiral antenna and its mounting structure schematic diagram；
Fig. 3-5 is core shaft structure schematic diagram；
Fig. 6-10 is bending tool structure diagram；
Figure 11-12 is heat treatment tooling structure diagram；
Figure 13-16 is the demolishing process schematic diagram of mandrel；
Figure 17-23 is welding tooling structure diagram；
Figure 24-26 is the structure diagram 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 boards；301- boss；302-
Compressing member；303- fixing screws；Tooling in 400- welding；401- counter sinks；The upper bar-shaped troughs of 402-；403- fixed holes；404-
Welding procedure through-hole；The upper bending through-holes of 405-；The upper curved walls of 406-；The lower tooling of 500- welding；501- lower through-holes；Item under 502-
Shape slot；Bending deep gouge under 503-；504- arc lower side walls.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings creates.
The processing tool of the four-arm spiral antenna of the invention, including bending tool (Fig. 6-10), heat treatment tooling (figure
11-12) and welding tooling (Figure 17-23), the bending tool, heat treatment tooling and welding tooling are in respective processing work
It individually plays a role in sequence, and promotes four-arm spiral antenna acquisition high-precision jointly in the entire manufacturing procedure of four-arm spiral antenna
The reliable installation of degree.
The processing tool is equipped with mandrel 100 (Fig. 3-5), and the mandrel 100 can be respectively as bending tool and Re Chu
One live part of science and engineering dress.The mandrel 100 is divided at least 3 sections in an axial direction, and is carried out by the screw 101 across each section
Connection；The mandrel 100 is equipped with positioning table 102 along two end faces of axis, the position of the positioning table 102 respectively with spiral day
The position of two straightways 011 of line matches；Half of side of 100 periphery of mandrel is equipped with helicla flute 103, the spiral shell
The both ends of spin slot 103 two opposite end abutments with two positioning tables 102 respectively, the position of the helicla flute 103
It puts and matches with the position of the curved section of helical antenna 012；Two positioning tables 102 and helicla flute 103 of the mandrel 100 are common
With the structure channel for forming helical antenna.
One of an important factor for setting of mandrel 100 is guarantee helical antenna machining accuracy carries out bending 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, mandrel 100 along axis subsection setup 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 the spiral fillet (corner portion that straightway 011 and curved section 012 connect in skill
Point) limitation the phenomenon that can not removing or removing damage.Demolishing process as shown in figures 13-16, screw 101 dismantle after, first by core
100 interlude of axis detaches, and then the direction of the one of mandrel frontside edge section along helicla flute 103 is rotated down certain distance, then
It removes, the interference that helical antenna straightway 011 and spiral fillet can be avoided to remove tooling in this way.
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 in an axial direction.
Further, the mandrel 100 is additionally provided with along two end faces of axis can be used in and other mechanisms (such as following lid
Plate 300) connection connecting hole 104, the connecting hole 104 can be threaded hole, quantity is preferably 4.
The bending tool includes the mandrel 100 and the sleeve 200 that can be set in except the mandrel 100 (figure
6-10), the cylinder 201 of the sleeve 200 is equipped with the compression dress that the mandrel 100 can be made to be pressed in 201 madial wall of cylinder
It puts.
Further, the pressing device can be at least one spiral shell for screwing the cylinder 201 for being set to the sleeve 200
Drive screw 202 on line through-hole.The drive screw 202 gos deep into depth in the sleeve 200 by screwing adjustment, and by mandrel
100 are pressed in 201 madial wall of cylinder 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 of cover board 300 (Figure 11-12), 300 inside of cover board are equipped with
Boss 301, the boss 301 can match with the positioning table 102 of the mandrel 100 and form the straight line for accommodating helical antenna
The channel of section 011；Compressing member 302 is additionally provided on the cover board 300, the compressing member 302 makes spiral from lateral surface compressing mandrel 100
The straightway 011 of antenna is clamped between positioning table 102 and boss 301；The cover board 300 can be removably fixed in the core
On the end face of axis 100.
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 is clamped convenient for the straightway 011 to helical antenna.
Further, the compressing member 302 can be that can screw the compression spiral shell being set on the tapped through hole of the cover board 300
Nail.
Further, the cover board 300 can by with the 104 matched fixing screws 303 of connecting hole realize with it is described
Mandrel 100 is detachably fixed.
The welding tooling includes the upper tooling 400 of welding and lower 500 two parts (Figure 17-26) of tooling of welding；The welding
The bottom center of upper tooling 400 is equipped with for the counter sink 401 of fixed feedback pipe 02, and 401 periphery of counter sink is in cross equispaced
There are 4 for fixing the upper bar-shaped trough 402 of the straightway 011 of helical antenna, center opens up fixed logical in the counter sink 401
Hole 403, surrounding is evenly distributed with 4 welding procedure through-holes 404 in the counter sink 401, one end of the upper bar-shaped trough 402 respectively with
The welding procedure through-hole 404 connects, and the other end is respectively equipped with bending through-hole 405；400 surrounding of tooling is also in the welding
Equipped with upper curved wall 406, the upper curved wall 406 is interspersed with the upper bar-shaped trough 402, the upper curved wall
Diameter of a circle where 012 periphery of curved section of diameter of a circle and helical antenna where 406 inner arc matches；Work under the welding
It fills 500 and is symmetrically divided into two tooling blocks being detachably connected, after described two tooling block splits, bottom center is in that can clamp feedback
The lower through-hole 501 of pipe 02,501 periphery of lower through-hole have 4 for fixing the straightways 011 of helical antenna in cross equispaced
Lower bar-shaped trough 502, one end of the lower bar-shaped trough 502 connect respectively with the lower through-hole 501, and the other end is respectively equipped with lower folding
Flexure slot 503；500 surrounding of tooling is additionally provided with arc lower side wall 504 under the welding, the arc lower side wall 504 with it is described under
Bar-shaped trough 502 is interspersed, outside the 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 where all 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 is observed for welding, and the fixed hole 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, the influence that feedback 02 machine of pipe adds deformation to weld helical antenna is eliminated；2nd, ensure four
Helical antenna upper and lower side is in approximately the same plane and is mutually perpendicular to；3rd, outer diameter requires before and after ensureing helical antenna weldering, prevents
Only machining deformation.
Further, two tooling blocks of tooling 500 can pass through the grab or screw hole of mutual cooperation under the welding
Realizations is waited to be detachably connected.
Using above-mentioned tooling, one to four-arm spiral antenna brief process is as follows：By with lathe around making
For helix as in helicla flute 103 on mandrel 100, installation sleeve 200 ensures that side positioning table 102 protrudes set on mandrel 100
Cylinder 200.Mandrel 100 is pressed in 201 madial wall of cylinder of sleeve 200 by the drive screw 202 of 200 side of sleeve from side wall,
The curved section 012 of helical antenna is fixed, subsequent bending operation is avoided to cause torsional deformation to curved section 012.It will set
Cylinder 200 is fixed with vice clamping, will need bending with the pliers of winding medical adhesive tape and the helix school of straightway 011 is made
Directly, using square iron by the positioning table 102 direction bending prominent to mandrel 100 of the helix of alignment, square iron and helix contact surface
It is wound with medical adhesive tape, protects helix, the helix after alignment is had to the positioning protruded with mandrel 100 with hammer percussion square iron
The trend that platform 102 is bonded, 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 board 300, using compressing member 302
From lateral surface compressing mandrel 100, the straightway 011 of helical antenna is made to be clamped between positioning table 102 and boss 301 and is positioned,
Then heat treating regime as required shapes to helix, forms a helical antenna 01.Spiral after heat treatment
01 radius precision of antenna can reach ± 0.05mm.
4 helical antennas 01 are positioned by welding tooling, in welding tooling 400 by screw and fixed hole 403 with
Feedback pipe 02 connects, and welds lower tooling 500 and is clamped on feedback 02 cylinder of pipe by two tooling blocks.Then to 01 He of helical antenna
Feedback pipe 02 is subjected to, and welding process can be observed by welding procedure through-hole 404.Welder is removed after the completion of welding
Dress.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention
Protection domain within.
Claims (14)
1. a kind of mandrel for helical antenna, the mandrel is divided at least 3 sections in an axial direction, and by the screw across each section into
Row connection；The mandrel is equipped with positioning table along two end faces of axis, the position of the positioning table respectively with helical antenna two
The position of a straightway matches；Half of side of the mandrel periphery is equipped with helicla flute, and the both ends of the helicla flute are distinguished
With two opposite end abutments of two positioning tables, the position of the position of the helicla flute and the curved section of helical antenna
Match；Two positioning tables and helicla flute of the mandrel collectively form the structure channel of helical antenna.
2. the mandrel according to claim 1 for helical antenna, which is characterized in that the height of the positioning table is more than institute
State the 1/2 of the diameter of helical antenna, the depth of the helicla flute for the diameter of the helical antenna 1/2, the mandrel is along axis
To being divided into 3 sections.
3. the mandrel according to claim 1 for helical antenna, which is characterized in that two end faces of the mandrel along axis
On be additionally provided with the connecting hole that can be used in connecting with other mechanisms.
4. the mandrel according to claim 3 for helical antenna, which is characterized in that the connecting hole is threaded hole.
5. the mandrel according to claim 3 for helical antenna, which is characterized in that the connection hole number is 4.
6. a kind of bending tool for helical antenna including claim 1-5 any one of them mandrel and can be set with
Sleeve except the mandrel, the cylinder of the sleeve are equipped with the compression that the mandrel can be made to be pressed in cylinder madial wall
Device.
7. the bending tool according to claim 6 for helical antenna, which is characterized in that the pressing device is at least
Drive screw on one tapped through hole that can screw the cylinder for being set to the sleeve.
8. the bending tool according to claim 7 for helical antenna, which is characterized in that the drive screw is set as two
It is a.
9. a kind of heat treatment tooling for helical antenna, including claim 1-5 any one of them mandrel and a pair of of lid
Plate, the cover board inside are equipped with boss, and the boss can match with the positioning table of the mandrel and form receiving helical antenna
Straightway channel；Compressing member is additionally provided on the cover board, the compressing member makes the straight of helical antenna from lateral surface compressing mandrel
Line segment is clamped between positioning table and boss；The cover board can be removably fixed on the end face of the mandrel.
10. the heat treatment tooling according to claim 9 for helical antenna, which is characterized in that the height of the boss
Equal to or slightly less than the diameter of helical antenna.
11. the heat treatment tooling according to claim 9 for helical antenna, which is characterized in that the height of the boss
Not less than the 1/2 of the diameter of helical antenna.
12. the heat treatment tooling according to claim 9 for helical antenna, which is characterized in that the compressing member is can
Screw the housing screw being set on the tapped through hole of the cover board.
13. the heat treatment tooling according to claim 9 for helical antenna, which is characterized in that the cover board can lead to
It crosses matched with connecting hole fixing screws and realizes and be detachably fixed with the mandrel.
14. a kind of processing tool for four-arm spiral antenna, including bending tool, heat treatment tooling and welding tooling；
The bending tool including claim 1-5 any one of them mandrel and can be set in except the mandrel
Sleeve, the cylinder of the sleeve are equipped with the pressing device that the mandrel can be made to be pressed in cylinder madial wall；
The heat treatment tooling including claim 1-5 any one of them mandrel and a pair of of cover board, is set on the inside of the cover board
There is boss, the boss can match with the positioning table of the mandrel and form the channel for the straightway for accommodating helical antenna；Institute
State and compressing member be additionally provided on cover board, the compressing member from lateral surface compressing mandrel make the straightway of helical antenna be clamped in positioning table and
Between boss；The cover board can be removably fixed on the end face of the mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895413.XU CN207534225U (en) | 2017-07-21 | 2017-07-21 | The processing tool and its mandrel of four-arm spiral antenna, bending and heat treatment tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895413.XU CN207534225U (en) | 2017-07-21 | 2017-07-21 | The processing tool and its mandrel of four-arm spiral antenna, bending and heat treatment tooling |
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| Publication Number | Publication Date |
|---|---|
| CN207534225U true CN207534225U (en) | 2018-06-26 |
Family
ID=62607685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720895413.XU Active CN207534225U (en) | 2017-07-21 | 2017-07-21 | The processing tool and its mandrel of four-arm spiral antenna, bending and heat treatment tooling |
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| Country | Link |
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| CN (1) | CN207534225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234393A (en) * | 2017-07-21 | 2017-10-10 | 天津航天机电设备研究所 | The processing tool of four-arm spiral antenna |
-
2017
- 2017-07-21 CN CN201720895413.XU patent/CN207534225U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234393A (en) * | 2017-07-21 | 2017-10-10 | 天津航天机电设备研究所 | The processing tool of four-arm spiral antenna |
| CN107234393B (en) * | 2017-07-21 | 2023-03-10 | 天津航天机电设备研究所 | Four-arm helical antenna's processing frock |
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