CN106956055B - High-efficient high quality radar oscillator shell welding jig - Google Patents
High-efficient high quality radar oscillator shell welding jig Download PDFInfo
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- CN106956055B CN106956055B CN201710318072.4A CN201710318072A CN106956055B CN 106956055 B CN106956055 B CN 106956055B CN 201710318072 A CN201710318072 A CN 201710318072A CN 106956055 B CN106956055 B CN 106956055B
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- vibrator
- front frame
- cross beam
- radar
- bracket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a high-efficiency high-quality radar vibrator shell welding fixture, which comprises a front frame (1), a rear frame (2), a connecting rod (3) and a bottom plate (4), wherein the rear frame (2) comprises a cross beam (21), and a bracket A (5) and a bracket B (6) which are arranged at the top of the cross beam (21); a locking screw (13) is connected between the cross beam (21) of the rear frame (2) and the cross beam (21) of the front frame (1) in a threaded manner; the bottom plate (4) is positioned below the front frame (1) and at least two connecting rods (3) are arranged between the bottom plate and the front frame (1). The beneficial effects of the invention are as follows: the consistency of the structural dimensions of the vibrator shell before and after welding is ensured, the corrosion degree of pickling times to the vibrator shell is reduced by adopting one-time brazing molding, the product quality is improved, the welding efficiency is improved, and the appearance after welding is attractive.
Description
Technical Field
The invention relates to the technical field of welding of radar vibrator shells, in particular to a high-efficiency high-quality welding fixture for radar vibrator shells.
Background
The radar vibrator shell is composed of 8 parts including 5 aluminum alloy parts, the structure of the radar vibrator is shown in figure 1, the radar vibrator comprises a base (22), an outer conductor (23), a first vibrator arm (24), a ring (25) and a second vibrator arm (26), the outer conductor (23) is welded at the top of the base (22), the first vibrator arm (24) is welded at the upper end of the outer conductor (23), the second vibrator arm (26) is welded on the first vibrator arm (24) and forms an obtuse angle with the first vibrator arm (24), two symmetrical outer conductors (23) are welded on the base (22), and the ring (25) is welded on the top surface of any one of the two outer conductors (23). It is thus seen that the components of the radar vibrator are all formed by brazing with aluminum,
the specific welding process is that the first vibrator arm (24) at the left half part, the second vibrator arm (26) at the right half part and the first vibrator arm (24) and the second vibrator arm (26) at the right half part are welded respectively, then the assembly welding parts of the first vibrator arm (24) at the left half part and the second vibrator arm (26), the assembly welding parts of the first vibrator arm (24) at the right half part and the second vibrator arm (26), the outer conductor (23) and the base (22) are welded in a combined way, and the whole process flow is required to be subjected to acid cleaning before welding (removing greasy dirt, impurities and the like) and acid cleaning after welding (removing soldering flux: fluoride), so the welding deformation is extremely large, and the corrosion of the vibrator shell by acid cleaning for many times is extremely serious, so that the performance of the vibrator shell is difficult to meet the design requirement. Therefore, how to realize rapid welding, and the welding deformation is required to be small, the dimensional consistency after welding is good, and the corrosion degree of the aluminum brazing flux (fluoride) to the parts in the welding process is required to be reduced, which is an important attack and problem to be solved urgently at present.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the high-efficiency high-quality welding fixture for the radar vibrator shell, which ensures the consistency of the structural dimensions of the vibrator shell before and after welding, reduces the corrosion degree of pickling times on the vibrator shell by adopting one-time brazing molding, improves the product quality, improves the welding efficiency and has attractive appearance after welding.
The aim of the invention is achieved by the following technical scheme: the welding fixture comprises a front frame, a rear frame, a connecting rod and a bottom plate, wherein the rear frame and the front frame are arranged in a front-back symmetrical mode, the rear frame comprises a cross beam, a support A and a support B which are arranged at the top of the cross beam, a semicircular groove I and a semicircular groove II are respectively formed in the front end faces of the support A and the support B, a chute A and a chute B are further arranged on the front end faces of the cross beam, the chute A is positioned on the left side of the support A and is arranged at an included angle with the cross beam, the chute B is positioned on the right side of the support B and is symmetrically arranged with the chute A, and a semicircular hole I and a semicircular hole II which are positioned between the support A and the support B are further formed in the front end faces of the cross beam;
the cross beam of the rear frame and the cross beam of the front frame are connected through locking screws, first oscillator arm accommodating holes are formed between the semicircular groove I of the rear frame and the semicircular groove I of the front frame, first oscillator arm accommodating holes are formed between the semicircular groove II of the rear frame and the semicircular groove II of the front frame in a surrounding mode, second oscillator arm accommodating holes are formed between the chute A of the rear frame and the chute A of the front frame, second oscillator arm accommodating holes are formed between the chute B of the rear frame and the chute B of the front frame in a surrounding mode, and outer conductor accommodating holes are formed between the half-shaped hole I of the rear frame and the half-shaped hole I of the front frame and between the half-shaped hole II of the rear frame and the half-shaped hole II of the front frame in a surrounding mode;
the bottom plate be located the below of preceding frame and be provided with two piece at least connecting rods between preceding frame, the upper and lower ends of connecting rod are provided with screw thread head and lower screw thread head respectively, go up screw thread head threaded connection on the crossbeam of preceding frame, lower screw thread head threaded connection is on the bottom plate.
And the locking screw is connected with a butterfly nut.
The bottom plate is provided with a through hole.
The lower thread head of the connecting rod penetrates through the through hole and is connected with a locking nut.
The lower surface of the cross beam of the front frame is provided with a threaded hole.
The upper thread head of the connecting rod is in threaded connection with the threaded hole of the cross beam of the front frame.
The support A, the support B and the connecting rod are all vertically arranged.
The invention has the following advantages: the invention ensures the consistency of the structural dimensions of the vibrator shell before and after welding, reduces the corrosion degree of pickling times on the vibrator shell by adopting one-time brazing molding, improves the product quality, improves the welding efficiency and has attractive appearance after welding.
Drawings
FIG. 1 is a schematic diagram of a radar vibrator housing;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a front view of the rear frame;
FIG. 4 is a bottom view of the rear frame;
FIG. 5 is a view in the direction A of FIG. 3;
FIG. 6 is a bottom view of the front frame;
FIG. 7 is a schematic structural view of a base plate;
FIG. 8 is a schematic structural view of a connecting rod;
FIG. 9 is a schematic view of five types of aluminum alloy parts of the tooling of the present invention;
in the figure, a front frame, a rear frame, a 3-connecting rod, a 4-bottom plate, a 5-bracket A, a 6-bracket B, a 7-semicircular groove I, an 8-semicircular groove II, a 9-chute A, a 10-chute B, an 11-half-shaped hole I, a 12-half-shaped hole II, a 13-locking screw, a 14-first oscillator arm accommodating hole, a 15-second oscillator arm accommodating hole, a 16-outer conductor accommodating hole, a 17-upper thread head, a 18-lower thread head, a 19-butterfly nut, a 20-threaded hole, a 21-cross beam, a 22-base, a 23-outer conductor, a 24-first oscillator arm, a 25-ring and a 26-second oscillator arm are arranged.
Detailed Description
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
as shown in fig. 2-9, a welding fixture for a high-efficiency high-quality radar vibrator shell comprises a front frame 1, a rear frame 2, a connecting rod 3 and a bottom plate 4, wherein the rear frame 2 and the front frame 1 are arranged in a front-back symmetrical mode, the rear frame 2 comprises a cross beam 21, a support A5 and a support B6 which are arranged at the top of the cross beam 21, the support A5, the support B6 and the connecting rod 3 are vertically arranged, semicircular grooves I7 and semicircular grooves II8 are respectively formed in the front end surfaces of the support A5 and the support B6, a chute A9 and a chute B10 are respectively formed in the front end surface of the cross beam 21, the chute A9 is positioned on the left side of the support A5 and is arranged at an included angle with the cross beam 21, the chute B10 is positioned on the right side of the support B6 and is symmetrically arranged with the chute A9, and a semicircular hole I11 and a semicircular hole II12 which are positioned between the support A5 and the support B6 are also formed in the front end surface of the cross beam 21;
the beam 21 of the rear frame 2 and the beam 21 of the front frame 1 are connected with locking screws 13 in a threaded manner, wing nuts 19 are connected to the locking screws 13, first oscillator arm accommodating holes 14 are formed between the semicircular grooves I7 of the rear frame 2 and the semicircular grooves I7 of the front frame 1, first oscillator arm accommodating holes 14 are formed between the semicircular grooves II8 of the rear frame 2 and the semicircular grooves II8 of the front frame 1 in a surrounding manner, second oscillator arm accommodating holes 15 are formed between the inclined grooves A9 of the rear frame 2 and the inclined grooves A9 of the front frame 1, second oscillator arm accommodating holes 15 are formed between the inclined grooves B10 of the rear frame 2 and the inclined grooves B10 of the front frame 1 in a surrounding manner, and outer conductor accommodating holes 16 are formed between the semicircular holes I11 of the rear frame 2 and the semicircular holes II12 of the front frame 1 in a surrounding manner;
the bottom plate 4 be located the below of preceding frame 1 and be provided with two piece at least connecting rods 3 between preceding frame 1, the upper and lower extreme of connecting rod 3 is provided with screw thread head 17 and lower screw thread head 18 respectively, goes up screw thread head 17 threaded connection on the crossbeam 21 of preceding frame 1, lower screw thread head 18 threaded connection is on the bottom plate 4.
The bottom plate 4 is provided with a through hole, and the lower thread head 18 of the connecting rod 3 penetrates through the through hole and is connected with a lock nut. The lower surface of the beam 21 of the front frame 1 is provided with a threaded hole 20, and the upper threaded head 17 of the connecting rod 3 is in threaded connection with the threaded hole 20 of the beam 21 of the front frame 1.
The invention discloses a tooling five-class aluminum alloy part and a welding radar vibrator shell, comprising the following steps:
s1, placing a base 22 on the top surface of a bottom plate 4; the outer conductor 23 penetrates through the outer conductor accommodating hole 16 from top to bottom and is contacted with the base 22, so that the tooling of the base and the outer conductor is realized;
s2, extending one end of the second vibrator arm 26 into the second vibrator arm accommodating hole 15; one end of the first vibrator arm 24 extends into the first vibrator arm accommodating hole 14 and is in butt joint with the outer conductor 23, and then the other end of the first vibrator arm 24 is in butt joint with the other end of the second vibrator arm 26, so that the tooling of the first vibrator arm and the tooling of the second vibrator arm are realized;
s3, abutting the ring 25 on the top of any one outer conductor 23, and finally realizing the tooling of five aluminum alloy parts;
s4, sequentially welding the contact part of the outer conductor 23 and the base 22, the contact part of the first vibrator arm 24 and the outer conductor 23, the contact part of the first vibrator arm 24 and the second vibrator arm 26 and the contact part of the ring 25 and the outer conductor 23 by adopting a brazing method, and forming a radar vibrator shell after welding;
s5, unscrewing the butterfly nut 19 and withdrawing the butterfly nut from the locking screw 13 to separate the cross beams 21 of the front frame and the rear frame, so that the radar vibrator shell is detached from the clamp, and finally, pickling to remove fluoride, conducting oxidation treatment and coating treatment are carried out to obtain the finished radar vibrator shell. Therefore, the fixture completes the tooling of five types of parts at one time, and is completed by adopting one-time brazing, thereby ensuring the consistency of the structural dimensions of the vibrator shell before and after welding, greatly reducing the welding deformation, improving the product quality, simultaneously adopting one-time brazing to further reduce the corrosion degree of pickling times to the vibrator shell, and prolonging the service life of the product.
Claims (7)
1. A high-efficient high quality radar vibrator shell welding jig, its characterized in that: it comprises a front frame (1), a rear frame (2), a connecting rod (3) and a bottom plate (4), wherein the rear frame (2) and the front frame (1) are arranged in a front-back symmetrical way, the rear frame (2) comprises a cross beam (21), a bracket A (5) and a bracket B (6) which are arranged at the top of the cross beam (21), a semicircular groove I (7) and a semicircular groove II (8) are respectively arranged on the front end surfaces of the bracket A (5) and the bracket B (6), the front end face of the cross beam (21) is also provided with a chute A (9) and a chute B (10), the chute A (9) is positioned on the left side of the bracket A (5) and is arranged at an included angle with the cross beam (21), the chute B (10) is positioned on the right side of the bracket B (6) and is symmetrically arranged with the chute A (9), and the front end face of the cross beam (21) is also provided with a half-shaped hole I (11) and a half-shaped hole II (12) which are positioned between the bracket A (5) and the bracket B (6);
the novel vibrating arm comprises a cross beam (21) of a rear frame (2) and a cross beam (21) of a front frame (1), locking screws (13) are connected between the cross beam (21) of the rear frame (2) and the cross beam (21) of the front frame (1), first vibrator arm accommodating holes (14) are formed between a semicircular groove I (7) of the rear frame (2) and the semicircular groove I (7) of the front frame (1) in a surrounding mode, second vibrator arm accommodating holes (15) are formed between a chute A (9) of the rear frame (2) and a chute A (9) of the front frame (1) and between a chute B (10) of the rear frame (2) and a chute B (10) of the front frame (1) in a surrounding mode, and outer conductor accommodating holes (16) are formed between a semicircular hole I (11) of the rear frame (2) and a semicircular hole II (12) of the front frame (1) in a surrounding mode;
the bottom plate (4) is positioned below the front frame (1) and at least two connecting rods (3) are arranged between the front frame (1), the upper end and the lower end of each connecting rod (3) are respectively provided with an upper threaded head (17) and a lower threaded head (18), the upper threaded heads (17) are in threaded connection with the cross beam (21) of the front frame (1), and the lower threaded heads (18) are in threaded connection with the bottom plate (4);
the application steps of the high-efficiency high-quality radar vibrator shell welding fixture comprise:
s1, placing a base (22) on the top surface of a bottom plate (4); the outer conductor (23) penetrates through the outer conductor accommodating hole (16) from top to bottom and is contacted with the base (22), so that the tooling of the base and the outer conductor is realized;
s2, extending one end of a second vibrator arm (26) into the second vibrator arm accommodating hole (15); one end of a first vibrator arm (24) extends into the first vibrator arm accommodating hole (14) and is in butt joint with the outer conductor (23), and then the other end of the first vibrator arm (24) is in butt joint with the other end of a second vibrator arm (26), so that the tooling of the first vibrator arm and the second vibrator arm is realized;
s3, abutting the ring (25) at the top of any outer conductor (23), and finally realizing the tooling of five types of aluminum alloy parts;
s4, sequentially welding the contact part of the outer conductor (23) and the base (22), the contact part of the first vibrator arm (24) and the outer conductor (23), the contact part of the first vibrator arm (24) and the second vibrator arm (26) and the contact part of the ring (25) and the outer conductor (23) by adopting a brazing method, and forming a radar vibrator shell after welding;
s5, unscrewing the butterfly nut (19) and withdrawing the butterfly nut from the locking screw (13) to separate the cross beams (21) of the front frame and the rear frame, so that the radar vibrator shell is detached from the clamp, and finally, the radar vibrator shell is subjected to acid washing, fluoride removal, conductive oxidation treatment and coating treatment to obtain the finished radar vibrator shell.
2. The efficient high-quality radar vibrator housing welding jig of claim 1, wherein: the locking screw (13) is connected with a butterfly nut (19).
3. The efficient high-quality radar vibrator housing welding jig of claim 1, wherein: the bottom plate (4) is provided with a through hole.
4. The efficient high-quality radar vibrator housing welding jig of claim 1, wherein: the lower thread head (18) of the connecting rod (3) penetrates through the through hole and is connected with a locking nut.
5. The efficient high-quality radar vibrator housing welding jig of claim 1, wherein: the lower surface of the cross beam (21) of the front frame (1) is provided with a threaded hole (20).
6. The efficient high-quality radar vibrator housing welding jig of claim 1, wherein: the upper thread head (17) of the connecting rod (3) is in threaded connection with the threaded hole (20) of the cross beam (21) of the front frame (1).
7. The efficient high-quality radar vibrator housing welding jig of claim 1, wherein: the bracket A (5), the bracket B (6) and the connecting rod (3) are vertically arranged.
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CN108247167A (en) * | 2018-03-16 | 2018-07-06 | 成都锦江电子系统工程有限公司 | Fast assembling-disassembling, high-precision antenna a period of time brazing tooling and its method for tooling |
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