CN211588829U

CN211588829U - Reflow soldering positioning welding tool

Info

Publication number: CN211588829U
Application number: CN201922426575.0U
Authority: CN
Inventors: 韩枝宏; 马红智; 刘峰
Original assignee: Comba Telecom Technology Guangzhou Ltd
Current assignee: Comba Telecom Technology Guangzhou Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-29
Anticipated expiration: 2029-12-27

Abstract

The utility model provides a reflow soldering fixed-position welding frock, include bottom plate, the location deflector that sets gradually from the top down to and compress tightly the subassembly, the bottom plate is used for bearing the weight of the good antenna module of location pre-assembly, the location deflector connect in the bottom plate top for with a plurality of oscillator location and assemble to antenna module relevant position on, a plurality of guide ways have been seted up to the mounted position of a plurality of oscillators of oscillator array in the location deflector corresponds the antenna module, it is used for compressing tightly the oscillator on the antenna module to compress tightly the subassembly. The utility model discloses in, the partial spare part of antenna module can be placed on the bottom plate location and pre-assembly together, then the guide way pre-assembly of a plurality of oscillators through the location deflector on antenna module relevant position, has greatly improved the pre-assembly efficiency of antenna module, compress tightly the subassembly and compress tightly the oscillator on antenna module relevant position, guarantee the stability of the spare part position of antenna module, and then guarantee that the welded is smooth.

Description

Reflow soldering positioning welding tool

Technical Field

The utility model relates to a spare part welding technology field of extensive antenna especially relates to a reflow soldering fixed-position welding frock.

Background

With the development of the era, the 5G antenna is the focus of the current communication technology field and is also the inevitable trend of the information technology development.

The main structure of the 5G antenna assembly is formed by assembling and welding the oscillator, the power distribution network board, the bottom board, the calibration network board and other parts, and the welding accounts for more than 80% of the process flow; compared with the conventional antenna, the 5G large-scale antenna has small volume of parts and relatively hidden welding spots due to the large-scale multi-array of the oscillators, and the conventional one-by-one welding spot welding scheme cannot meet the requirements on the structure and the efficiency.

The existing welding operation modes in the industry still adopt manual or mechanical arm matching electric soldering iron welding modes, the welding mode needs to be controlled under process conditions far more than reflow welding modes, more complex detection processes are needed, more production space and equipment resources are occupied, and the compatibility is poor.

In order to match with a reflow soldering process, it is important to design a tooling fixture which can improve the assembly efficiency and reliability of parts of a 5G antenna before passing through a furnace.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can improve reflow soldering fixed-position welding frock of spare part welding efficiency of 5G antenna.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a reflow soldering fixed-position welding frock, includes bottom plate, location deflector that sets gradually from top down to and compress tightly the subassembly, the bottom plate is used for bearing the weight of the good antenna module of location pre-assembly, the location deflector connect in the bottom plate top for with a plurality of oscillators location and assemble to the antenna module relevant position on, a plurality of guide ways have been seted up to the mounted position that the location deflector corresponds a plurality of oscillators of oscillator array in the antenna module, compress tightly the subassembly and be used for compressing tightly the oscillator on the antenna module.

Preferably, the positioning guide plate is provided with a plurality of guide groove groups along the width direction and located at the same length position of the positioning guide plate, the pressing assembly comprises a plurality of vibrator pressing plates which are sequentially arranged along the length direction of the positioning guide plate and are parallel to each other, and the vibrator pressing plates are embedded in the guide groove groups in a one-to-one correspondence manner so as to be used for pressing vibrators on the antenna assembly.

Preferably, the vibrator pressing plates are connected into a whole through a connecting plate.

Preferably, a magnetic attraction assembly is arranged between the bottom plate and the connecting plate and used for attracting the connecting plate to drive the vibrator pressing plate to be pressed on the vibrator.

Preferably, the vibrator pressing plate is provided with a plurality of elastic pressing pieces at the bottom thereof for correspondingly abutting against the plurality of vibrators.

Preferably, an avoiding opening for the connecting plate to pass through is formed between every two adjacent guide groove groups, so that the positioning guide plate can be taken out conveniently when the positioning guide plate is demoulded.

Preferably, the reflow soldering positioning welding tool further comprises a partition board pressing plate used for pressing the partition board on the antenna assembly, and a limiting groove used for allowing the partition board pressing plate to be embedded and abutted to the partition board is formed in the positioning guide plate.

Preferably, the bottom of the positioning guide plate is provided with at least two mounting pins, the bottom plate is provided with at least two mounting grooves, and the mounting pins are matched with the mounting grooves in a one-to-one correspondence manner.

Preferably, two sides of the positioning guide plate extend outwards to form lug plates used for facilitating grabbing of the positioning guide plate.

Preferably, the bottom plate is provided with a positioning groove for facilitating the placement of the antenna assembly on the bottom plate, and a plurality of positioning pins.

Compared with the prior art, the utility model discloses a scheme has following advantage:

among the reflow soldering fixed position welding frock, the partial spare part of antenna module can be placed on the bottom plate and fix a position and preassembly together, then the guide way preassembly of a plurality of oscillators through the location deflector is on antenna module relevant position, has greatly improved the preassembly efficiency of antenna module, afterwards compress tightly the subassembly and compress tightly the oscillator on antenna module relevant position to in follow-up reflow soldering technology process, guarantee the stability of the spare part position of antenna module, and then guarantee the welded smoothly.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of an overall structure of an embodiment of the present invention;

fig. 2 is an exploded view of the whole structure of an embodiment of the present invention.

Reference numerals: 1. a base plate; 11. a first magnet; 12. mounting grooves; 13. positioning a groove; 14. positioning a pin; 2. positioning a guide plate; 21. a guide groove; 22. avoiding the mouth; 23. a yielding groove; 24. a limiting groove; 25. installing a pin; 26. a butting post; 27. an ear plate; 3. a compression assembly; 31. a vibrator pressing plate; 32. a connecting plate; 33. a support block; 34. an elastic pressing piece; 4. a separator plate press plate; 41. a card slot; 42. a notch; 43. a vent; 5. an antenna assembly; 51. a vibrator; 52. a separator plate; 6. a spacer plate setting plate; 61. a shaping groove; 62. and (7) fixing the plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

It will be understood by those within the art that, unless expressly stated otherwise, the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, the utility model relates to a reflow soldering fixed position welding frock, it is used for carrying out the pre-assembly location to antenna module 5 to once with each spare part welded connection of antenna module 5 through reflow soldering's mode, improved production efficiency greatly.

Reflow soldering fixed position welding frock includes bottom plate 1, location deflector 2 that sets gradually from last down to and compress tightly subassembly 3, location deflector 2 with bottom plate 1 all is the rectangle form, bottom plate 1 is used for bearing the location preassembled antenna module 5, location deflector 2 connect in bottom plate 1 top, and be located antenna module 5 top to be used for to a plurality of oscillators 51 location and preassemble to antenna module 5 relevant position on, a plurality of guide ways 21 have been seted up to the mounted position that location deflector 2 is arranged in a plurality of oscillators 51 that correspond the oscillator array in the antenna module 5, it is used for compressing tightly oscillator 51 on antenna module 5 to compress tightly subassembly 3.

The utility model discloses in, the partly spare part of antenna module 5 can be placed on bottom plate 1 location and pre-assembly together, then a plurality of oscillators 51 through the guide way 21 pre-assembly of location deflector 2 on antenna module 5 relevant position, greatly improved antenna module 5's pre-assembly efficiency, later compress tightly subassembly 3 and compress tightly oscillator 51 on antenna module 5 relevant position to in follow-up reflow soldering technology process, guarantee the stability of antenna module 5's spare part position, and then guarantee the welded smoothly.

The positioning guide plate 2 is arranged in the width direction and is positioned on the same length position of the positioning guide plate, the guide grooves 21 are mutually communicated to form a guide groove group, the positioning guide plate 2 is provided with a plurality of guide groove groups in the length direction, the pressing assembly 3 comprises a plurality of vibrator pressing plates 31 which are parallel to each other and are sequentially arranged in the length direction of the positioning guide plate 2, and the vibrator pressing plates 31 are embedded in the guide groove groups in a one-to-one correspondence mode and used for pressing the vibrators 51 on the antenna assembly 5.

Preferably, the vibrator pressing plates 31 are connected into a whole through a connecting plate 32, and the connecting plate 32 is connected to the upper parts of the vibrator pressing plates 31 to connect the vibrator pressing plates 31 into a whole, so that the vibrator pressing plates 31 can be conveniently and simultaneously taken up and pressed on the vibrators 51, and the clamping efficiency of the reflow soldering positioning welding tool is improved.

Further, the bottom plate 1 with be equipped with magnetism actuation subassembly between the connecting plate 32, magnetism actuation subassembly is including locating first magnet 11 on the bottom plate 1, and locate second magnet (not shown in the figure, the same down) on the connecting plate 32, in order to pass through first magnet 11 with the inter attraction of second magnet makes the connecting plate 32 drives the oscillator clamp plate 31 and compresses tightly on oscillator 51, makes oscillator 51 firm on antenna module 5.

Further, the vibrator pressing plate 31 is provided at a bottom thereof with a plurality of elastic pressing members 34 for abutting against the plurality of vibrators 51, so that the vibrator pressing plate 31 does not crush the vibrators 51 due to an excessive pressure applied to the vibrators 51, and in the present embodiment, the elastic pressing members 34 are preferably spring pins, and a protective film (not shown, the same applies below) is attached to an end of the spring pins away from the vibrator pressing plate 31 to prevent the spring pins from scratching the vibrators 51.

An avoiding opening 22 for a connecting plate 32 to pass through is formed between two adjacent guide groove groups, so that the positioning guide plate 2 can be taken out conveniently when the positioning guide plate 2 is demoulded.

Compress tightly subassembly 3 still including locating oscillator clamp plate 31 is along the supporting shoe 33 of length direction both ends lower part, location deflector 2 corresponds supporting shoe 33 position department has seted up the groove of stepping down 23, just step down groove 23 and rather than corresponding a plurality of guide ways 21 of guide way group communicate, supporting shoe 33 is used for oscillator clamp plate 31 presses the back on locating oscillator 51, and the butt is on antenna module 5, in order to support oscillator clamp plate 31, and then location deflector 2 drawing of patterns back guarantees oscillator clamp plate 31 steadily presses and locates on oscillator 51.

Preferably, a third magnet (not shown, the same applies below) is disposed in the supporting block 33, and the third magnet and the first magnet 11 attract each other, so that the supporting block 33 is more stably abutted on the antenna component 5, and further, the oscillator pressing plate 31 is stably pressed on the oscillator 51.

The reflow soldering positioning welding tool further comprises a partition plate pressing plate 4 used for pressing the partition plate 52 on the antenna assembly 5, a limiting groove 24 used for allowing the partition plate pressing plate 4 to be embedded and abut against the partition plate 52 is formed in the positioning guide plate 2, and the limiting groove 24 is located between the two adjacent guide groove groups.

In the present embodiment, a separation plate 52 is disposed between each row of vibrators 51 on the antenna assembly 5, and the separation plate pressing plate 4 is pressed on the separation plates 52, so that the separation plates 52 are stably pre-assembled in the antenna assembly 5, and the limiting groove 24 of the positioning guide plate 2 can facilitate the separation plate pressing plate 4 to be pressed on the separation plates 52.

Be equipped with fourth magnet (not shown in the figure, the same below) in division board clamp plate 4, fourth magnet with first magnet 11 inter attraction to location deflector 2 is after the drawing of patterns, division board clamp plate 4 still steady voltage is located on a plurality of division boards 52, guarantees that division board 52 position is firm on antenna module 5, in order to guarantee that follow-up welded is smooth.

Preferably, the position of the isolation plate pressing plate 4 corresponding to the isolation plate 52 is provided with a clamping groove 41, and the isolation plate 52 is clamped and embedded in the clamping groove 41. Two opposite side walls of the locking groove 41 are provided with inclined guide surfaces (not numbered in the drawings, the same applies hereinafter) for facilitating the insertion of the partition plate 52 into the locking groove 41.

Further, an inwards concave notch 42 is formed in the upper portion of the isolation plate pressing plate 4, so that after the reflow soldering positioning welding tool is assembled, the isolation plate pressing plate 4 does not block a user from observing the condition of the vibrator 51.

Furthermore, a vent 43 is formed in the upper portion of the isolation board pressing plate 4 corresponding to the position of the clamping groove 41, and the vent 43 penetrates into the clamping groove 41 from the upper portion of the isolation board pressing plate 4, so that in the reflow soldering process, hot air of a reflow soldering furnace can pass through the vent 43 and flow through the isolation board 52, and the isolation board 52 is ensured to be soldered.

Reflow soldering fixed position welding frock is still including the division board stereotype 6 that is used for compressing tightly division board 52 on the antenna module 5, be equipped with on division board stereotype 6 fourth magnet, fourth magnet with first magnet 11 attracts each other so that division board stereotype 6 is pressed and is located on a plurality of division boards 52 to make the firm preassembly of a plurality of division boards 52 in antenna module 5, division board stereotype 6 bottom has seted up stereotype 61, stereotype 61 is corresponding to division board 52 sets up along length direction's shape, division board 52 inlays and locates in stereotype 61, division board stereotype 6 sets up to division board 52 to the metal, stereotype 61 is used for restricting the metal division board 52 is at the reflow soldering heating in-process, takes place to warp because of the heating.

The division board is stereotyped 6 and is equipped with a plurality ofly, and the one-to-one is a plurality of division board 52 sets up, and is a plurality of through the mutual fixed connection of fixed plate 62 between the division board is stereotyped 6 to make things convenient for division board is stereotyped 6 and is stereotyped simultaneously and compress tightly the division board 52 of a plurality of metals.

2 bottoms of location deflector are equipped with two at least mounting pins 25, two at least mounting grooves 12 have been seted up on bottom plate 1, mounting pin 25 with the mounting groove 12 one-to-one cooperation.

In this embodiment, the installation pin 25 with the mounting groove 12 all is equipped with two, two the installation pin 25 is located respectively two diagonal departments of 2 bottoms of location deflector, the side of installation pin 25 extends along the circumferencial direction has the butt step (not numbered in the figure, lower with), works as back in installation pin 25 tip part stretches into mounting groove 12, butt step butt in on the bottom plate 1, so that location deflector 2 keeps the take the altitude, two other diagonal departments of 2 bottoms of location deflector are equipped with butt post 26, works as butt step butt in during bottom plate 1, butt post 26 butt simultaneously on bottom plate 1, support with jointly location deflector 2 guarantees the stability of 2 positions of location deflector.

The both sides of location deflector 2 extend outwards to have and are used for conveniently snatching the otic placode 27 of location deflector 2, through the setting of otic placode 27 makes location deflector 2 is when the drawing of patterns, convenient operation.

Be equipped with on bottom plate 1 and be used for facilitating the antenna module 5 to place constant head tank 13 on bottom plate 1, and a plurality of locating pin 14 to each part of convenient antenna module 5 carries out preassembly work on bottom plate 1, improved before reflow soldering greatly the preassembly efficiency of antenna module 5.

In this embodiment, the bottom plate 1, the vibrator pressing plates 31, the connecting plates 32 and the supporting blocks 33 in the pressing assembly 3 are all made of high-temperature-resistant synthetic stone, the positioning guide plate 2 corresponding to the parts in the antenna assembly 5 is divided into two positioning areas along the length direction, one positioning area includes three guide groove groups, the pressing assembly 3 is provided with two positioning areas in a one-to-one correspondence manner, the pressing assembly 3 includes three vibrator pressing plates 31 and three guide groove groups in one-to-one correspondence manner, the three vibrator pressing plates 31 are connected into a whole through the connecting plates 32, and the limiting grooves 24 are arranged between the adjacent three guide groove groups in the positioning areas.

The isolation board 52 at one of the positioning areas is a dielectric isolation board 52, and the isolation board 52 of the positioning area is preassembled on the antenna component 5 through the isolation board pressing board 4, the isolation board 52 at the other positioning area is a metal isolation board 52, and the isolation board 52 of the positioning area is preassembled on the antenna component 5 through the isolation board sizing board 6. The reflow soldering positioning welding tool selects the corresponding pressing plate according to the isolation plates 52 made of different materials, and ensures the welding work of the isolation plates 52.

Reflow soldering fixed-position welding frock's concrete operation process:

firstly, positioning and pre-assembling partial parts of an antenna assembly 5 on a bottom plate 1, connecting a positioning guide plate 2 to the upper part of the bottom plate 1 and above the antenna assembly 5, then positioning and placing a plurality of vibrators 51 on the antenna assembly 5 through guide grooves 21, pressing the plurality of vibrators 51 on the antenna assembly 5 through a vibrator pressing plate 31, demoulding the positioning guide plate 2 to form a furnace passing module which sequentially comprises the bottom plate 1, the antenna assembly 5 and the vibrator pressing plate 31 from bottom to top, and finally sending the furnace passing module into a reflow oven with a set temperature zone for welding.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a reflow soldering fixed-position welding frock, characterized by: the antenna assembly comprises a bottom plate, a positioning guide plate and a pressing assembly, wherein the bottom plate, the positioning guide plate and the pressing assembly are sequentially arranged from bottom to top, the bottom plate is used for bearing and positioning a pre-assembled antenna assembly, the positioning guide plate is connected above the bottom plate and used for positioning and assembling a plurality of vibrators to corresponding positions of the antenna assembly, a plurality of guide grooves are formed in the positioning guide plate corresponding to the installation positions of the plurality of vibrators of the vibrator array in the antenna assembly, and the pressing assembly is used for pressing the vibrators on the antenna assembly.

2. The reflow soldering position welding tool of claim 1, which is characterized in that: the positioning guide plate is arranged in the same length position of the positioning guide plate along the width direction, the guide grooves are communicated with one another to form a guide groove group, the positioning guide plate is provided with a plurality of guide groove groups along the length direction, the pressing assembly comprises a plurality of vibrator pressing plates which are parallel to one another and sequentially arranged along the length direction of the positioning guide plate, and the vibrator pressing plates are embedded in the guide groove groups in a one-to-one correspondence mode and used for pressing vibrators on the antenna assembly.

3. The reflow soldering position welding tool of claim 2, which is characterized in that: the vibrator pressing plates are connected into a whole through a connecting plate.

4. The reflow soldering position welding tool of claim 3, which is characterized in that: and a magnetic attraction component is arranged between the bottom plate and the connecting plate and is used for attracting the connecting plate to drive the vibrator pressing plate to be pressed on the vibrator.

5. The reflow soldering position welding tool of claim 4, which is characterized in that: the bottom of the vibrator pressing plate is provided with a plurality of elastic pressing pieces which are correspondingly abutted to the plurality of vibrators.

6. The reflow soldering position welding tool of claim 2, which is characterized in that: and an avoidance port for the connecting plate to pass through is formed between every two adjacent guide groove groups, so that the positioning guide plate can be conveniently taken out during demolding of the positioning guide plate.

7. The reflow soldering position welding tool of claim 1, which is characterized in that: the antenna assembly further comprises a partition board pressing plate used for pressing the partition board on the antenna assembly, and a limiting groove used for allowing the partition board pressing plate to be embedded into and abut against the partition board is formed in the positioning guide plate.

8. The reflow soldering position welding tool of claim 1, which is characterized in that: the bottom of the positioning guide plate is provided with at least two mounting pins, the bottom plate is provided with at least two mounting grooves, and the mounting pins are matched with the mounting grooves in a one-to-one correspondence manner.

9. The reflow soldering position welding tool of claim 1, which is characterized in that: the both sides of location deflector extend outwards to have and are used for conveniently snatching the otic placode of location deflector.

10. The reflow soldering position welding tool of claim 1, which is characterized in that: the bottom plate is provided with a positioning groove and a plurality of positioning pins, wherein the positioning groove is used for facilitating the placement of the antenna assembly on the bottom plate.