CN110465720A - A kind of multichannel SMP connector device matches welding fixture - Google Patents
A kind of multichannel SMP connector device matches welding fixture Download PDFInfo
- Publication number
- CN110465720A CN110465720A CN201910847323.7A CN201910847323A CN110465720A CN 110465720 A CN110465720 A CN 110465720A CN 201910847323 A CN201910847323 A CN 201910847323A CN 110465720 A CN110465720 A CN 110465720A
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- smp connector
- multichannel
- welding
- boss
- bottom plate
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- 238000003466 welding Methods 0.000 title claims abstract description 75
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 43
- 230000006835 compression Effects 0.000 claims abstract description 34
- 238000007906 compression Methods 0.000 claims abstract description 34
- 238000005192 partition Methods 0.000 claims description 47
- 238000009434 installation Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 238000003754 machining Methods 0.000 abstract description 13
- 239000000155 melt Substances 0.000 abstract description 7
- 230000002045 lasting effect Effects 0.000 abstract description 6
- 229910000679 solder Inorganic materials 0.000 abstract description 6
- 238000005476 soldering Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 238000003825 pressing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Connection Of Plates (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of multichannel SMP connector devices to match welding fixture, for the welding of SMP connector to be installed to workpiece pedestal, workpiece pedestal is equipped with the mounting hole for installing SMP connector, multichannel SMP connector device is with fixture base and the fixed positioning pressuring plate being arranged opposite with fixture base that welding fixture includes for placing workpiece pedestal, it is provided with corresponding with mounting hole on positioning pressuring plate and the spring element for pushing down on guiding compression leg can be additionally provided on the guiding compression leg that mounting hole axis direction moves, positioning pressuring plate.The present invention is oriented to compression leg by spring element for every road and provides lasting elastic force, thermal deformation when eliminating high-temperature soldering, solder, which melts the brings such as tension, machining tolerance, to be influenced, guarantee that each SMP connector is compacted in welding process, SMP connector is avoided to tilt, to finally ensure that the precision and consistency of assembly.
Description
Technical field
The present invention relates to microwave components connector devices to match field, and in particular to a kind of multichannel SMP connector device matches weld clip
Tool.
Background technique
Microwave components electric connector is a kind of component for being used for transmission signal, according to use environment, frequency, power, body
The difference of product etc., there are many forms, need to be selected according to actual use demand, and such as carrier-borne connector will consider salt spray proof requirement,
Component containing bare chip needs to consider hermetic seal requirement etc..
With the continuous development that microwave components minimize, volume is smaller and smaller, and integrated level is higher and higher, traditional inter-module
The demand of miniaturization, therefore SMP three-piece are no longer satisfied by the connection type of cable-assembly, elastic construction exempts from weldering connection etc.
The mutual contact mode of miniaturization comes into being.But due to by assembly volume, the limitation of performance indicator etc., the requirement to assembly precision
It is continuously improved.
Currently, the multichannel SMP welding that the field general precision requires, generallys use fixing seat+briquetting assembly method, but
Since by product machining tolerance, fixture machining tolerance designs the influence of fit-up gap etc., it is not able to satisfy multichannel SMP assembly essence
Spend the demand of consistency, such as 0~0.05 matching requirements.A kind of existing patent " multiple SMP connector welding fixtures ", the patent No.
The utility model patent of CN207026837U, technical solution are as follows: a kind of multiple SMP connector welding fixtures, including pedestal, it is living
Dynamic pressure block and fixed briquetting.Pedestal is located at bottom and the contact of weld heating platform, is workpiece to be welded on pedestal, on workpiece to be welded
It is fixed briquetting on movable holddown for movable holddown.It is wherein to be welded first on the boss on movable holddown and workpiece to be welded
One is corresponding, and by adjusting the screw on fixed briquetting when theoretically assembling, boss can be pressed in the end face SMP.But above-mentioned patent due to
It is to be pressed on workpiece to be welded by the boss on movable holddown, no adjusting surplus, due to work pieces process tolerance to be welded, mounting hole is public
Difference, fixture process machining tolerance, and the presence of the factors such as high temperature thermal deformation does not ensure that each boss is pressed in workpiece to be welded
On, and due to the presence of design gaps, the screw on fixation clip cannot exert oneself simultaneously, and it is upper inclined that movable pressing board has fastening
May, SMP is easily led to when so as to cause welding to be tilted, is just inconsistent.
Therefore, how to guarantee that each SMP connector is compacted in welding process, avoid SMP connector from tilting, become
Those skilled in the art's urgent problem.
Summary of the invention
In view of the above shortcomings of the prior art, the present invention actual needs solve the problems, such as be: how to guarantee to weld
Each SMP connector is compacted in journey, and SMP connector is avoided to tilt.
Present invention employs the following technical solutions:
A kind of multichannel SMP connector device matches welding fixture, and the multichannel SMP connector device is with welding fixture for connecting SMP
Device welding is installed on workpiece pedestal, and workpiece pedestal is equipped with the mounting hole for installing SMP connector, and the multichannel SMP connects
Connect the positioning that device erection welding fixture includes the fixture base and fixed setting opposite with fixture base for placing workpiece pedestal
Pressing plate is provided on positioning pressuring plate corresponding with mounting hole and can be along the guiding compression leg that mounting hole axis direction moves, positioning pressuring plate
On be additionally provided with and will be oriented to the spring element that pushes down on of compression leg, when welding SMP connector, workpiece pedestal is placed on fixture base
On, as in mounting hole, SMP connector is pressed in mounting hole SMP connector by guiding compression leg by spring element thrust.
The present invention is oriented to compression leg by spring element for every road and provides lasting elastic force, thermal deformation when eliminating high-temperature soldering,
Solder, which melts the brings such as tension, machining tolerance, to be influenced, and guarantees that each SMP connector is compacted in welding process, avoids SMP
Connector inclination, to finally ensure that the precision and consistency of assembly.
Preferably, the guiding compression leg is from top to bottom followed successively by thread segment, glissile segment and hold-down segment, hold-down segment horizontal cross-section
Diameter is greater than glissile segment horizontal cross-section diameter, and glissile segment horizontal cross-section diameter is greater than or equal to thread segment nominal diameter, described fixed
Positioning through hole corresponding with mounting hole is provided on the pressing plate of position, thread segment connects after passing through positioning through hole from the bottom to top with nut thread
It connects, the spring element is spring, and spring is set on glissile segment between hold-down segment and positioning pressuring plate lower end surface.
In this manner it is ensured that in the welding process, spring applies downward elastic force to guiding compression leg, and is not using this
When fixture, guiding compression leg will not slide from positioning pressuring plate.
Preferably, hold-down segment lower end surface is confined planes, and confined planes diameter is greater than installation bore dia, be provided on confined planes to
The lower first boss for stretching out the first preset length is additionally provided in first boss and extends downwardly the second convex of the second preset length
Platform, when welding SMP connector, second boss is fitted into SMP connector, and the first relief hole is provided in second boss.
The lower end surface shape of second boss and the shape of SMP connector upper surface match, to guarantee to connect SMP
Device compression is connect, the extension elongation of second boss is limited and preset using confined planes, it is ensured that multichannel SMP connector
The consistency of depth when welding.
Preferably, the fixture base includes bottom plate, side plate and partition, and two partitions are vertical parallel to be fixedly mounted on bottom plate
The two side areas of upper surface, partition upper surface be equipped with threaded hole, positioning pressuring plate be equipped with corresponding installation through-hole, positioning pressuring plate with
Partition is connected through a screw thread part and is connected.
Those skilled in the art should know using this structure, in welding, it is required that positioning pressuring plate lower end
Face is bonded with partition upper surface, and spring is in compressive state and can apply enough pressure to guiding compression leg；It is not carrying out
When welding, after the threaded connector between positioning pressuring plate and partition is unscrewed, positioning pressuring plate can be lifted to enough height, from
And make to be oriented to compression leg and the disengaging of SMP connector, the workpiece pedestal after enabling welding is removed.Specific part size, according to need
The size of the pressure and device to be welded wanted determines.
Preferably, the bottom plate upper surface is equipped with bottom plate boss, and bottom plate boss is equipped with partition, is provided with and pacifies on partition
Fill corresponding second relief hole in hole, workpiece pedestal lower end surface is equipped with positioning groove, when welding SMP connector, bottom plate boss and every
Plate is located in positioning groove, and positioning groove depth is less than the sum of bottom plate boss height and the thickness of partition.
Due to positioning groove depth be less than the sum of bottom plate boss height and the thickness of partition, workpiece pedestal lower end surface with
There are gaps for meeting between bottom plate, can guarantee that each heat transfer plane fitting is close in this way.Also, due to be provided with it is separable every
Plate, therefore the height lifted of positioning pressuring plate when taking out workpiece pedestal can be reduced, so reduce rotational positioning pressing plate and partition it
Between threaded connector circle number, improve processing efficiency.
Preferably, the bottom plate upper surface is equipped with bottom plate boss, and partition is located on installation base, is provided on installation base
The second relief hole corresponding with mounting hole, workpiece pedestal lower end surface are equipped with positioning groove, when welding SMP connector, bottom plate boss
In positioning groove, positioning groove depth is less than bottom plate boss height.
Due to positioning groove depth be less than the sum of bottom plate boss height and the thickness of partition, workpiece pedestal lower end surface with
It can guarantee that each heat transfer plane fitting is close in this way there are gap (value can be 0.5mm) between bottom plate.In addition, in order to pacify
Dress boss and partition can be combined into one as needed, can play the role of reducing the thermal resistance on welding heat transfer path in this way.
Preferably, for the multichannel SMP connector device in welding fixture, bottom plate and partition use high heat conductive material,
Thermal coefficient >=100W/m.K, other components use low thermal conductivity material, and thermal coefficient≤20W/m.K, spring is using high
Warm spring, ultimate-use (limiting service) temperature >=350 DEG C.
Scolding tin may flow to the inside of workpiece pedestal to be welded when due to welding, therefore partition need to not glue tin；Due to welding
It is in a vacuum furnace using golden tin welding, the temperature that scolding tin melts is 280 DEG C, therefore designs and use high temperature spring, to guarantee in height
In warm situation, spring can provide lasting elastic force, to eliminate since tension is melted in thermal deformation, solder, mismachining tolerance etc. is brought
Influence.
In conclusion the invention discloses a kind of multichannel SMP connector devices to match welding fixture, the multichannel SMP connector
Erection welding fixture is used to SMP connector welding being installed to workpiece pedestal, and workpiece pedestal is equipped with for installing SMP connection
The mounting hole of device, the multichannel SMP connector device with welding fixture include fixture base for placing workpiece pedestal and with folder
Have the positioning pressuring plate of the relatively fixed setting of pedestal, is provided on positioning pressuring plate corresponding with mounting hole and can be along mounting hole axis direction
The guiding compression leg of movement is additionally provided with the spring element that will be oriented to compression leg and push down on positioning pressuring plate, when welding SMP connector,
Workpiece pedestal is placed in fixture base, and as in mounting hole, guiding compression leg is connected SMP by spring element thrust SMP connector
Device is pressed in mounting hole.The present invention is oriented to compression leg by spring element for every road and provides lasting elastic force, eliminates high-temperature soldering
When thermal deformation, solder melts tension, the brings such as machining tolerance influence, and guarantees that each SMP connector is pressed in welding process
Tightly, SMP connector is avoided to tilt, to finally ensure that the precision and consistency of assembly.
Detailed description of the invention
In order to keep the purposes, technical schemes and advantages of invention clearer, the application is made into one below in conjunction with attached drawing
The detailed description of step, in which:
Fig. 1 is a kind of a kind of exploded view of specific embodiment of multichannel SMP connector device with welding fixture disclosed by the invention；
Fig. 2 is a kind of a kind of cross-sectional view of specific embodiment of multichannel SMP connector device with welding fixture disclosed by the invention；
Fig. 3 to Fig. 6 is a kind of a kind of bottom of specific embodiment of multichannel SMP connector device with welding fixture disclosed by the invention
The machining element schematic diagram of seat, side plate and partition；
Fig. 7 is a kind of a kind of guiding pressure of specific embodiment of multichannel SMP connector device with welding fixture disclosed by the invention
The machining element schematic diagram of column；
Fig. 8 is a kind of a kind of guiding pressure of specific embodiment of multichannel SMP connector device with welding fixture disclosed by the invention
The machining element schematic diagram of the positioning pressuring plate of column.
Description of symbols: bottom plate 1, side plate 2, partition 3, workpiece pedestal 4, SMP connector 5, guiding compression leg 6, spring 7,
Positioning pressuring plate 8, attachment screw 9, threaded connector 10, nut 11, bottom plate lower end surface 12, bottom plate boss upper surface 13, on side plate
End face 14, the second relief hole 15, partition lower end surface 16, positioning pressuring plate lower end surface 17, positioning through hole 18, second boss 19, first
It is gap 22, amount of spring compression 23, fixture base A between boss 20, confined planes 21, workpiece pedestal lower end surface and bottom plate, to be welded
Workpiece B, pressing device C.
Specific embodiment
The application is described in further detail with reference to the accompanying drawing.
As shown in Figures 1 to 5, the present invention discloses a kind of a kind of specific implementation of the multichannel SMP connector device with welding fixture
Mode, the multichannel SMP connector device are used to the welding of SMP connector 5 being installed to workpiece pedestal 4, workpiece with welding fixture
Pedestal 4 is equipped with the mounting hole for installing SMP connector 5, and the 5 erection welding fixture of multichannel SMP connector includes being used for
The fixture base A of workpiece pedestal 4 and the positioning pressuring plate 8 of fixed setting opposite with fixture base A are placed, is arranged on positioning pressuring plate 8
Have corresponding with mounting hole and can be additionally provided with guiding pressure on the guiding compression leg 6 that mounting hole axis direction moves, positioning pressuring plate 8
The spring element that column 6 pushes down on, weld SMP connector 5 when, workpiece pedestal 4 is placed on fixture base A, SMP connector 5 to
In mounting hole, SMP connector 5 is pressed in mounting hole by guiding compression leg 6 by spring element thrust；
The guiding compression leg 6 is from top to bottom followed successively by thread segment, glissile segment and hold-down segment, and hold-down segment horizontal cross-section diameter, which is greater than, to be slided
Dynamic section horizontal cross-section diameter, glissile segment horizontal cross-section diameter are greater than or equal to thread segment nominal diameter, set on the positioning pressuring plate 8
It is equipped with positioning through hole 18 corresponding with mounting hole, thread segment is threadedly coupled after passing through positioning through hole 18 from the bottom to top with nut 11,
The spring element is spring 7, and spring 7 is set on glissile segment between hold-down segment and positioning pressuring plate lower end surface 17, in this way, can
To guarantee in the welding process, spring 7 applies downward elastic force to guiding compression leg 6, and when not using this fixture, guiding pressure
Column 6 will not slide from positioning pressuring plate 8；
Hold-down segment lower end surface is confined planes 21, and 21 diameter of confined planes is greater than installation bore dia, is provided on confined planes 21 and stretches downwards
The first boss 20 of first preset length out, first boss 20 are the depth localization boss designed according to build-up tolerance requirement, can
The consistency of depth when guaranteeing that multichannel SMP connector 5 welds, occurrence can be 0.02mm, be additionally provided in first boss 20
The second boss 19 of the second preset length is extended downwardly, when welding SMP connector, second boss 19 is fitted into SMP connector, the
It is provided with the first relief hole on two boss 19, is limited using confined planes 21 and the stretching for presetting second boss 19 is long
Degree, second boss 19 are used for further positioning and guiding compression leg 6, and the first relief hole can be to avoid second boss 19 and SMP connector
Core interference；
The fixture base A includes bottom plate 1, side plate 2 and partition 3, and two partitions 3 are vertical parallel to be fixedly mounted on 1 upper end of bottom plate
The two side areas in face, partition upper surface be equipped with threaded hole, positioning pressuring plate 8 be equipped with corresponding installation through-hole, positioning pressuring plate 8 with every
Plate 3 is connected through a screw thread part 10 and is connected, and those skilled in the art should know needed using this structure in welding
So that positioning pressuring plate lower end surface 17 is bonded with partition upper surface, spring 7 is in compressive state and can apply to guiding compression leg 6
Enough pressure；When not welded, after the threaded connector 10 between positioning pressuring plate 8 and partition 3 is unscrewed, can will determine
Position pressing plate 8 lifts enough height, to make to be oriented to compression leg 6 and the disengaging of SMP connector 5, the workpiece pedestal 4 after enabling welding
It is removed.The size of specific part size, pressure as needed and device to be welded determines；
1 upper surface of bottom plate is equipped with bottom plate boss, and bottom plate boss is equipped with partition 3, is provided on partition 3 corresponding with mounting hole
The second relief hole 15, workpiece pedestal lower end surface is equipped with positioning groove, when welding SMP connector 5, bottom plate boss and 3, partition
In in positioning groove, positioning groove depth is less than the sum of the thickness of bottom plate boss height and partition 3, since positioning groove depth is small
In the sum of the thickness of bottom plate boss height and partition 3, therefore between workpiece pedestal lower end surface and bottom plate 1, there are gaps for meeting, in this way
It can guarantee that each heat transfer plane fitting is close.Also, due to being provided with separable partition 3, taking-up workpiece can be reduced
The height (amount of spring compression 23, specific value can use 4.5mm) that positioning pressuring plate 8 lifts when pedestal 4, and then reduce rotational positioning pressure
The circle number of threaded connector 10, improves processing efficiency between plate 8 and partition 3；In addition, in order to which installation base and partition 3 can roots
According to needing to be combined into one, can play the role of reducing the thermal resistance on welding heat transfer path in this way.
In the 5 erection welding fixture of multichannel SMP connector, bottom plate 1 use high heat conductive material, thermal coefficient >=
100W/m.K, spring 7 use high temperature spring, ultimate-use (limiting service) temperature >=350 DEG C, other components use low thermal conductivity material,
Thermal coefficient≤20W/m.K has been convenient for reducing the thermal resistance on welding access, most of heat is made to flow through welding access.Due to weldering
Scolding tin may flow to the inside of workpiece pedestal 4 to be welded when connecing, therefore partition 3 need to not glue tin；Since welding is in a vacuum furnace
Using golden tin welding, the temperature that scolding tin melts is 280 DEG C, therefore designs and use high temperature spring 7, to guarantee in the case of a high temperature, bullet
Spring 7 can provide lasting elastic force, to eliminate due to thermal deformation, solder melts tension, and the brings such as mismachining tolerance influence.
During multichannel SMP connector device disclosed by the invention matches the processing and manufacturing of welding fixture:
As shown in Figures 3 to 6, be pedestal 1, side plate 2 and partition 3 machining element schematic diagram, processing bottom plate 1, side plate 2 and every
When plate 3, bottom plate lower end surface 12, the flatness of bottom plate boss upper surface 13 and the depth of parallelism of the two are guaranteed using surface grinding machine；It adopts
Same method is taken to guarantee partition upper surface, the flatness of partition lower end surface 16 and the depth of parallelism of the two, meanwhile, on partition 3
Process the second relief hole 15.Side plate 2 is installed with attachment screw 9 to bottom plate 1 after processing is completed, is then base with bottom plate lower end surface 12
Standard guarantees the depth of parallelism of side plate upper surface 14 and bottom plate lower end surface 12, and no longer dismantles both after processing.
Fig. 7 is the machining element schematic diagram for being oriented to compression leg 6, and the processing of guiding compression leg 6 guarantees knife forming, wherein second is convex
Platform 19 is for being oriented to the positioning of compression leg 6；First boss 20 is the depth localization boss designed according to build-up tolerance requirement, the present embodiment
In can value be 0.02mm；Confined planes 21 are for limiting, the consistency of depth when guaranteeing that multichannel SMP connector 5 welds.
Fig. 8 is the machining element schematic diagram of positioning pressuring plate 8.Processing is a pair of on workpiece pedestal 4 to be welded one on positioning pressuring plate 8
The positioning through hole 18 answered, the hole are used to be oriented to the guiding and positioning of compression leg 6.It need to guarantee the same positioning pressuring plate of positioning through hole 18 when processing
The verticality of lower end surface 17.
The present embodiment designs the decrement of high temperature spring by design resigning, positioning and position limiting structure, conductive structure, and
Suitable fabrication technology has been formulated, ensure that the precision of fixture itself, and then ensure that SMP connector in the welding process
Assembly precision, and lasting elastic force is provided to every road SMP connector by high temperature spring, thermal deformation when eliminating high-temperature soldering, weldering
Material, which melts the brings such as tension, machining tolerance, to be influenced, to finally ensure that the precision and consistency of assembly.
In the implementation case, 16 road SMP connectors 5 have been welded altogether, and other operating conditions can be according to scheme appropriate adjustment.Entirely
Erection welding process is as follows: partition 3 and workpiece pedestal 4 to be welded are placed on fixture base A in order → are filled SMP connector 5
Entering in 4 corresponding aperture of workpiece pedestal to be welded → being packed into solder →, pressing device C, which is threadedly coupled part 10, to be installed, and guarantees positioning pressuring plate
Lower end surface 17 and side plate upper surface 14 be bonded it is close → workpiece that assembly is completed is put into vacuum drying oven and is welded.It is tested through excessively taking turns
Card, the depth tolerances of assemble welding meet 0~0.05 design requirement, and each batch consistency is good.
Finally, it is stated that above embodiments are only to illustrate the technical solution of the application rather than limit, although passing through ginseng
The application is described according to preferred embodiment of the present application, it should be appreciated by those of ordinary skill in the art that can
To make various changes to it in the form and details, without departing from the application defined by the appended claims
Spirit and scope.
Claims (7)
1. a kind of multichannel SMP connector device matches welding fixture, the multichannel SMP connector device is with welding fixture for connecting SMP
It connects device welding to be installed on workpiece pedestal, workpiece pedestal is equipped with the mounting hole for installing SMP connector, which is characterized in that
The multichannel SMP connector device with welding fixture includes fixture base for placing workpiece pedestal and opposite with fixture base solid
Surely the positioning pressuring plate being arranged is provided on positioning pressuring plate corresponding with mounting hole and can be along the guiding pressure that mounting hole axis direction moves
Column is additionally provided with the spring element that will be oriented to compression leg and push down on positioning pressuring plate, and when welding SMP connector, workpiece pedestal is placed
In fixture base, for SMP connector as in mounting hole, SMP connector is pressed on installation by spring element thrust by guiding compression leg
In hole.
2. multichannel SMP connector device as described in claim 1 matches welding fixture, which is characterized in that the guiding compression leg is by upper
Thread segment, glissile segment and hold-down segment are followed successively by under, hold-down segment horizontal cross-section diameter is greater than glissile segment horizontal cross-section diameter, sliding
Section horizontal cross-section diameter is greater than or equal to thread segment nominal diameter, is provided with positioning corresponding with mounting hole on the positioning pressuring plate
Through-hole, thread segment are connect after passing through positioning through hole from the bottom to top with nut thread, and the spring element is spring, and spring is set in cunning
In dynamic section between hold-down segment and positioning pressuring plate lower end surface.
3. multichannel SMP connector device as claimed in claim 1 or 2 matches welding fixture, which is characterized in that hold-down segment lower end surface is
Confined planes, confined planes diameter are greater than installation bore dia, are provided with the first boss for extending downwardly the first preset length on confined planes,
The second boss for extending downwardly the second preset length is additionally provided in first boss, when welding SMP connector, second boss is packed into
The first relief hole is provided in SMP connector, in second boss.
4. multichannel SMP connector device as claimed in claim 2 matches welding fixture, which is characterized in that the fixture base includes
Bottom plate, side plate and partition, the vertical parallel two side areas for being fixedly mounted on bottom plate upper surface of two partitions, partition upper surface is equipped with
Threaded hole, positioning pressuring plate are equipped with corresponding installation through-hole, and positioning pressuring plate is connected through a screw thread part with partition and is connected.
5. multichannel SMP connector device as claimed in claim 4 matches welding fixture, which is characterized in that the bottom plate upper surface is set
There is a bottom plate boss, bottom plate boss is equipped with partition, the second relief hole corresponding with mounting hole is provided on partition, under workpiece pedestal
End face is equipped with positioning groove, and when welding SMP connector, bottom plate boss and partition are located in positioning groove, and positioning groove depth is small
In the sum of bottom plate boss height and the thickness of partition.
6. multichannel SMP connector device as claimed in claim 4 matches welding fixture, which is characterized in that the bottom plate upper surface is set
There is bottom plate boss, the second relief hole corresponding with mounting hole is provided on installation base, it is recessed that workpiece pedestal lower end surface is equipped with positioning
Slot, when welding SMP connector, bottom plate boss is located in positioning groove, and positioning groove depth is less than bottom plate boss height.
7. the multichannel SMP connector device as described in claim 2,4,5 or 6 matches welding fixture, which is characterized in that the multichannel
SMP connector device is in welding fixture, and bottom plate and partition use high heat conductive material, thermal coefficient >=100W/m.K, other
Components use low thermal conductivity material, thermal coefficient≤20W/m.K, and spring uses high temperature spring, ultimate-use (limiting service) temperature >=350
℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910847323.7A CN110465720B (en) | 2019-09-09 | 2019-09-09 | Multi-channel SMP connector assembly welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910847323.7A CN110465720B (en) | 2019-09-09 | 2019-09-09 | Multi-channel SMP connector assembly welding fixture |
Publications (2)
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Cited By (6)
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| CN112620858A (en) * | 2020-12-08 | 2021-04-09 | 上海无线电设备研究所 | Flexible welding tool and welding method for antenna radiation unit array |
| CN113334273A (en) * | 2021-05-25 | 2021-09-03 | 北京无线电测量研究所 | Elastic pressing device for antenna processing |
| CN113732771A (en) * | 2021-09-18 | 2021-12-03 | 北京无线电测量研究所 | Brazing device for mounting radio frequency connector and welding method |
| CN113878233A (en) * | 2021-09-17 | 2022-01-04 | 南京玻璃纤维研究设计院有限公司 | Welding process for nozzle plate of platinum alloy bushing |
| CN114050433A (en) * | 2021-11-17 | 2022-02-15 | 广东越新微***研究院 | Miniaturized radio frequency connector integrated device of multichannel |
| CN115178824A (en) * | 2022-06-27 | 2022-10-14 | 贵州振华群英电器有限公司（国营第八九一厂） | Eutectic welding device for partially welding bottom plate of contactor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620858A (en) * | 2020-12-08 | 2021-04-09 | 上海无线电设备研究所 | Flexible welding tool and welding method for antenna radiation unit array |
| CN113334273A (en) * | 2021-05-25 | 2021-09-03 | 北京无线电测量研究所 | Elastic pressing device for antenna processing |
| CN113878233A (en) * | 2021-09-17 | 2022-01-04 | 南京玻璃纤维研究设计院有限公司 | Welding process for nozzle plate of platinum alloy bushing |
| CN113732771A (en) * | 2021-09-18 | 2021-12-03 | 北京无线电测量研究所 | Brazing device for mounting radio frequency connector and welding method |
| CN114050433A (en) * | 2021-11-17 | 2022-02-15 | 广东越新微***研究院 | Miniaturized radio frequency connector integrated device of multichannel |
| CN115178824A (en) * | 2022-06-27 | 2022-10-14 | 贵州振华群英电器有限公司（国营第八九一厂） | Eutectic welding device for partially welding bottom plate of contactor |
| CN115178824B (en) * | 2022-06-27 | 2024-04-26 | 贵州振华群英电器有限公司（国营第八九一厂） | Eutectic welding device for welding bottom plate part of contactor |
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