CN218426409U - Coplanarity assembling and welding tool for miniature combined plate - Google Patents
Coplanarity assembling and welding tool for miniature combined plate Download PDFInfo
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- CN218426409U CN218426409U CN202222456249.6U CN202222456249U CN218426409U CN 218426409 U CN218426409 U CN 218426409U CN 202222456249 U CN202222456249 U CN 202222456249U CN 218426409 U CN218426409 U CN 218426409U
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Abstract
The utility model relates to a miniature compoboard coplanarity dress welds frock, include: a curved needle angle control device and a coplanarity guarantee device. The utility model is used for the welding process of perpendicular and coplanarity welding requirement of cartridge device dress welding has solved the difficult point that manual control L type looper is perpendicular and the compoboard coplanarity requires the operation, and easy operation is convenient, and is high-efficient stable. The defects of deflection, unevenness and the like caused by manual control can be effectively avoided, and the working efficiency of the device during welding is improved.
Description
Technical Field
The utility model relates to a dress welds frock belongs to electron dress allies oneself with the field.
Background
In the field of electronic assembly, the application of micro-size circuit boards is more and more extensive, and the micro-size and high precision become the mainstream requirements.
The miniature series composite board product has the characteristics of small overall dimension, high precision requirement and high operation difficulty. Some printed boards are 10-50 mm in size, and the boards need to be welded and combined through gold-plated bent pins, after the combination welding, the upper board and the lower board are required to be kept horizontal, and the coplanarity deviation is less than +/-0.3 mm.
The traditional process method can only control the operation precision through tools such as a hard caliper, a pair of tweezers and the like, has extremely high requirements on the skill of an operator, and has low one-time welding qualification rate, so that the coplanar welding becomes a bottleneck process of welding the miniature series combined plates, and a new process method is urgently needed to be found for solving the problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be: for solving miniature compoboard coplanarity control problem, the utility model provides a miniature compoboard coplanarity dress welds frock realizes high accuracy, the high efficiency processing of miniature series circuit board.
The utility model discloses a solve above-mentioned problem and realize through following technical scheme: a coplanar welding tool for miniature composite boards comprises: a curved needle angle control device and a coplanarity guarantee device;
the looper angle control device includes: the main plate carrying frame, the metal pressing plate and the magnet; the main board carrying frame is a rectangular board, and printed board fixing through holes are symmetrically arranged on the main board carrying frame; a support lug is arranged on the inner side of one end of each printed board fixing through hole, the support lugs are symmetrical about the symmetry axis of the printed board fixing through holes, and a bent pin fixing through hole is respectively arranged on each support lug; the upper surface of the main board carrying frame is provided with a through groove along the length direction for placing a metal pressing plate, the side wall of the through groove is provided with a plurality of bent pin limiting grooves along the length direction, and the arrangement positions of the bent pin limiting grooves correspond to the positions of the through holes on each support lug;
the coplanarity ensuring apparatus includes: the lower layer supports the carrier plate and the coplanar clamping slide block; the middle part of the upper surface of the lower layer support carrier plate is provided with a third groove, two sides of the lower layer support carrier plate are respectively provided with a coplanar clamping slide block, the coplanar clamping slide blocks can slide on the lower layer support carrier plate, one of the coplanar clamping slide blocks is provided with an L-shaped bent needle angle control block at the center position of the side edge, and the center position of the side edge of the other coplanar clamping slide block is provided with a coplanar dragging boss.
Furthermore, the printed board fixing through holes are of symmetrical structures and comprise printed board fixing square holes and pickup holes.
Furthermore, one side of the bottom surface of the main board carrying frame, which is provided with the printed board fixing through hole, is provided with a rectangular second groove.
Furthermore, two magnets are symmetrically arranged on two sides of the main plate carrying frame and used for attracting the metal pressing plate.
Furthermore, the size of the metal pressing plate is smaller than the length of the contact pin, the metal pressing plate avoids welding points, and the metal pressing plate is used for fixing the printed board and the contact pin.
Furthermore, guide rails are arranged on two sides of the coplanar clamping sliding block, and the upper surface of the lower layer support plate slides through screws arranged in the guide rails.
Furthermore, fourth grooves are arranged on two sides of the third groove.
Compared with the prior art, the utility model the advantage lie in:
(1) The utility model is used for the welding process of perpendicular and coplanarity welding requirement of cartridge device dress welding has solved the difficult point that manual control L type looper is perpendicular and the compoboard coplanarity requires the operation, and easy operation is convenient, and is high-efficient stable. The defects of deflection, unevenness and the like caused by manual control can be effectively avoided, and the working efficiency of the device during welding is improved.
(2) The utility model discloses a miniature compoboard coplanarity dress welds frock excellent in use effect, has realized machinability to improve machining efficiency by a wide margin, solved miniature compoboard product coplanarity dress and weld and the crooked scheduling problem of contact pin, make the quality of miniature size circuit board obtain the guarantee.
Drawings
FIG. 1 is a schematic view of a curved needle angle control device;
FIG. 2 (a) is a front view of the motherboard supporting frame;
FIG. 2 (b) is a schematic view of the back of the motherboard carrying frame;
fig. 3 is a schematic view of the coplanarity securing apparatus.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
A coplanar welding tool for micro combined plates comprises: a curved needle angle control device and a coplanarity guarantee device.
As shown in fig. 1, the looper angle control device includes: the main plate carrying frame 4, the metal pressing plate 5 and the magnet 1;
as shown in fig. 2 (a) and 2 (b), the motherboard carrying frame 4 is a rectangular board, two symmetrical printed board fixing through holes 6 are hollowed in the motherboard carrying frame 4, and the printed board fixing through holes 6 are of a symmetrical structure and used for placing printed boards; the inner side of one end of each printed board fixing through hole 6 is provided with two support lugs 2, the two support lugs 2 are symmetrical about the symmetry axis of the printed board fixing through hole 6, three through holes are respectively arranged on each support lug 2, a penetrating groove is cut in the upper surface of the mainboard carrying frame 4 along the length direction and used for placing a metal pressing plate 5, a plurality of bent pin limiting grooves 3 are arranged on the side walls of the penetrating grooves along the length direction, and the arrangement positions of the bent pin limiting grooves 3 correspond to the positions of the through holes on each support lug 2; two magnets 1 are symmetrically arranged on two sides of the through groove and used for attracting the metal pressing plate 5;
main board carrying frame 4: and the printed board fixing through hole 6 is designed according to the size, the thickness and the position of the component of the mainboard, so that the printed board is arranged in the printed board fixing through hole 6 without displacement. Considering the batch production efficiency, two main board placing spaces are designed for one main board carrying frame 4 in the design process, and two printed boards can be processed simultaneously. The size of the mainboard supporting frame 4 is 100mm multiplied by 50mm, which is convenient for the operation of both hands of a human body. In order to ensure the light weight of the tool, a rectangular second groove 7 is formed in one side of the bottom surface of the main board carrying frame 4, which is provided with a printed board fixing through hole 6.
The end part of a printed board fixing through hole 6 of the main board carrying frame 4 is provided with a support lug 2 and a bent pin limiting groove 3 which are provided with a right-angled 90-degree bend, and the precision difference is less than 0.2 degree. The aperture of the through hole on the support lug 2 is matched with the diameter of the contact pin, and the contact pin is ensured to be matched with the through hole and the welding position of the printed board.
Metal pressing plate 5: the main board mounting frame 4 is provided with a magnet 1. Open the through type recess according to contact pin thickness, design metal pressing plate 5, metal pressing plate 5 size should be less than contact pin length and can avoid the solder joint, and metal pressing plate 5 prevents the mistake difference with magnet 1 and matches the design, treats that the printing board and contact pin arrange the effect that plays fixed printing board and contact pin behind the frock in.
The printed board of printing board fixing through hole 6 holds in the palm and carries the regional design outward and have the space, conveniently takes the printing board.
As shown in fig. 3, the coplanarity securing apparatus includes: a lower layer support plate 14, an L-shaped bent needle angle control block 11, a coplanar dragging boss 12 and a coplanar clamping slide block 8.
Lower layer carrier plate 14: and designing a mainboard bearing area according to the size of the mainboard, and avoiding components and welding spots. A third groove 9 is formed in the upper surface of the lower layer support carrier plate 14, coplanar clamping slide blocks 8 are respectively arranged on two sides of the upper surface of the lower layer support carrier plate 14, and the two coplanar clamping slide blocks 8 are respectively located on two sides of the third groove 9; guide rails 13 are arranged on two sides of the coplanar clamping sliding blocks 8, and the sliding on the upper surface of the lower layer support plate 14 is realized through screws arranged in the guide rails 13, wherein two L-shaped bent pin angle control blocks 11 are arranged at the center position of the side edge of one coplanar clamping sliding block 8, and two coplanar dragging and carrying bosses 12 are arranged at the center position of the side edge of the other coplanar clamping sliding block 8; to facilitate picking up the module, fourth recesses 10 are provided on both sides of the third recess 9.
L-shaped looper angle control block 11: the thickness of the lower layer carrier plate 14 is set to be 1.5 +/-0.05 mm, the effective length is 4.5 +/-0.05 mm, and the 90-degree angle of the contact pin can be effectively ensured. The L-shaped curved needle angle control block 11 and the coplanar clamping slide block 8 are integrated;
coplanar dragging and carrying boss 12: this part design degree of difficulty and processing degree of difficulty are great, and the design principle is for setting up the boss for placing the platelet according to the marginal no pad region of platelet, and boss thickness is the distance between the lower plate, and when the frock was used, need install two platelets of miniature series compoboard on the L shape looper of big board, arrange the platelet edge printing board region in the coplane again and drag and carry boss 12 on, can realize the combination of lower plate. The coplanar dragging lug boss 12 and the coplanar clamping slide block 8 are integrated.
Coplanar clamping slide block 8: the two coplanar clamping slide blocks 8 are designed with automatic adjustable functions, so that printed composite boards can be conveniently placed in the coplanar clamping slide blocks 8, and after the composite boards are combined in place, the coplanar clamping slide blocks 8 with the coplanar carrying bosses 12 are pushed into the L-shaped bent pin angle control block 11, so that the composite boards are effectively lapped on a tool and then screws on the coplanar clamping slide blocks 8 are fixed, and the function of controlling coplanar deviation is achieved.
Example 1:
taking a 9W power module assembly as an example, the size of a large plate of the micro-series combined plate is 10 multiplied by 20mm, the size of a small plate is 8 multiplied by 5mm, the upper plate and the lower plate are required to be parallel by design documents, and the coplanarity is less than +/-0.3 mm.
The traditional process welding method cannot meet the requirements of the micro-composite board, so that a fine tool needs to be researched to meet the requirements of design files. Firstly, the angle control device of the bent pin is used for welding, the angle control device of the bent pin can place two power supply modules at each time, two ends of an L-shaped bent pin are respectively inserted into a support lug 2 and a bent pin limiting groove 3, 6 contact pins of a single power supply module are inserted into and placed to butt the jack position of the power supply module and the L-shaped bent pin, a metal pressing plate 5 is used for pressing the L-shaped bent pin and a printed board of the power supply module after butt joint is completed, the metal pressing plate 5 mainly applies stress through a magnet 1 to complete fixation, the magnet 1 and a main board carrying frame 4 are fixed into a whole, and a printed board fixing through hole 6 is a second groove 7 for achieving the effects of conveniently taking the printed board and avoiding devices. After the L-shaped bent pins are welded, the coplanarity guaranteeing device is used for welding the combined plate, a power module with the welded L-shaped bent pins is placed in a third groove 9, the depth of the third groove 9 is the height of the highest device on the back of the module, a coplanar clamping slide block 8 at two ends is pushed after the fourth groove 10 is placed with the module, the coplanar clamping slide block 8 mainly slides through a guide rail 13, the L-shaped bent pin angle control block 11 finishes fixing the L-shaped bent pins of the module after the module is completely pushed, a small plate needing to be welded is placed after the module is fixed, the position of a jack on the small plate is in butt joint with the welding end of the L-shaped bent pin, the other end of the small plate is supported by a coplanar dragging boss 12 after the butt joint is finished, the height of the coplanar dragging boss 12 is the same as that of the L-shaped bent pin after the butt joint of the small plate is finished, coplanarity is finished, and the coplanarity combined plate welding work is finished.
The details not described in the present specification are well known to those skilled in the art.
Claims (7)
1. The utility model provides a miniature compoboard coplanarity dress welds frock which characterized in that includes: a curved needle angle control device and a coplanarity guarantee device;
the looper angle control device includes: the main plate carrying frame (4), the metal pressing plate (5) and the magnet (1); the main board carrying frame (4) is a rectangular board, and printed board fixing through holes (6) are symmetrically arranged on the main board carrying frame (4); a support lug (2) is arranged on the inner side of one end of each printed board fixing through hole (6), the support lugs (2) are symmetrical about the symmetry axis of the printed board fixing through holes (6), and a bent pin fixing through hole is respectively arranged on each support lug (2); the upper surface of the main board carrying frame (4) is provided with a through groove along the length direction for placing a metal pressing plate (5), the side wall of the through groove is provided with a plurality of bent needle limiting grooves (3) along the length direction, and the arrangement positions of the bent needle limiting grooves (3) correspond to the positions of through holes on each support lug (2);
the coplanarity ensuring apparatus includes: a lower layer support plate (14) and a coplanar clamping slide block (8); a third groove (9) is formed in the middle of the upper surface of a lower layer support plate (14), coplanar clamping sliding blocks (8) are arranged on two sides of the upper surface respectively, the coplanar clamping sliding blocks (8) can slide on the lower layer support plate (14), an L-shaped bent pin angle control block (11) is arranged at the center of one side edge of one coplanar clamping sliding block (8), and a coplanar dragging and carrying boss (12) is arranged at the center of the side edge of the other coplanar clamping sliding block (8).
2. The micro-composite board coplanarity assembling and welding tool according to claim 1, wherein the printed board fixing through holes (6) are of a symmetrical structure and comprise a printed board fixing square hole and a pickup hole.
3. The micro-composite board coplanarity assembling and welding tool according to claim 1, wherein a rectangular second groove (7) is formed in one side of the bottom surface of the main board carrying frame (4) where the printed board fixing through hole (6) is formed.
4. The micro combined plate coplanarity assembling and welding tool according to claim 1, wherein two magnets (1) are symmetrically arranged on two sides of the main plate carrying frame (4) and used for attracting the metal pressing plate (5).
5. The micro-composition board coplanarity assembling and welding tool according to claim 1, wherein the size of the metal pressing plate (5) is smaller than the length of the contact pin and avoids welding points, and the metal pressing plate is used for fixing the printed board and the contact pin.
6. The micro-composite board coplanarity assembly and welding tool according to claim 1, wherein guide rails (13) are arranged on two sides of the coplanar clamping slide block (8), and the coplanar clamping slide block slides on the upper surface of the lower layer support plate (14) through screws arranged in the guide rails (13).
7. The tooling for coplanar assembly and welding of the miniature composite boards as claimed in claim 1, wherein the fourth grooves (10) are disposed on two sides of the third groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222456249.6U CN218426409U (en) | 2022-09-16 | 2022-09-16 | Coplanarity assembling and welding tool for miniature combined plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222456249.6U CN218426409U (en) | 2022-09-16 | 2022-09-16 | Coplanarity assembling and welding tool for miniature combined plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218426409U true CN218426409U (en) | 2023-02-03 |
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ID=85105558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222456249.6U Active CN218426409U (en) | 2022-09-16 | 2022-09-16 | Coplanarity assembling and welding tool for miniature combined plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218426409U (en) |
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2022
- 2022-09-16 CN CN202222456249.6U patent/CN218426409U/en active Active
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