CN215034784U

CN215034784U - Positioning welding device for multiple rows of connectors between boards

Info

Publication number: CN215034784U
Application number: CN202120045822.7U
Authority: CN
Inventors: 郭潍; 陈春武; 庞斌; 靳昊鑫
Original assignee: Sichuan Huafeng Technology Co Ltd
Current assignee: Sichuan Huafeng Enterprise Group Co; Sichuan Huafeng Technology Co Ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-12-07
Anticipated expiration: 2031-01-08

Abstract

The utility model relates to a positioning welding device of multirow connector between boards belongs to connector equipment technical field, and the problem that welding position precision is not high, welding efficiency is low when having solved connector and locating plate welding among the prior art. The utility model discloses a positioning welding device of multirow connector between boards includes: the pressing plate, the printed board, the connector and the bottom plate; the connector is arranged on the printed board; the printed board is tightly pressed between the pressing board and the bottom board; the bottom plate is provided with a positioning core, the connector is provided with a positioning inner cavity, the positioning core is matched with the positioning inner cavity and used for realizing the position positioning of the connector and the bottom plate, the relative position of the printed board and the connector is positioned through the bottom plate, and the welding position precision is ensured.

Description

Positioning welding device for multiple rows of connectors between boards

Technical Field

The utility model relates to a belong to connector assembly technical field, especially relate to a positioning welding device of multirow connector between boards.

Background

With the rapid development of information of domestic military equipment, the demand for reliability of signal transmission quality between the inside of system equipment suitable for severe military environments is increasing day by day.

Because the connector and the printed board are installed in a threaded mode, the requirement on the position precision between the connector and the printed board for the reliability of the signal transmission quality of the equipment is very high.

However, when soldering the printed board and the connector, a welder locks the connector on the printed board by means of his own soldering technique and experience, which may cause the connector and the printed board not to be accurately positioned.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing analysis, the utility model aims at providing a positioning welding device of multirow connector between boards for welding position precision is not high when solving current connector and locating plate welding, problem that welding efficiency is low.

The purpose of the utility model is mainly realized through the following technical scheme:

a kind of location welding device of the multi-row union coupling between the boards, including: the pressing plate, the printed board, the connector and the bottom plate; the connector is arranged on the printed board; the printed board is tightly pressed between the pressing board and the bottom board; the bottom plate is provided with a positioning core, the connector is provided with a positioning inner cavity, and the positioning core is matched with the positioning inner cavity and used for realizing the position positioning of the connector and the bottom plate.

Furthermore, a plurality of rectangular through holes are formed in the pressing plate.

Further, a buffer pad is arranged between the printed board and the pressing board.

Further, a plurality of connectors are mounted on the printed board.

Furthermore, a guide pin is arranged on the bottom plate, a positioning hole is formed in the connector, and the guide pin is matched with the positioning hole for positioning.

Furthermore, a positioning core is arranged on the bottom plate, a positioning inner cavity is arranged on the connector, and the positioning core and the positioning inner cavity are matched for positioning.

Furthermore, a first positioning boss, a second positioning boss, a third positioning boss, a fourth positioning boss, a fifth positioning boss and a sixth positioning boss are arranged on the positioning core.

Further, the positioning cavity comprises a first plane, a second plane, a third plane and a fourth plane; the first plane is attached to the first positioning boss and the second positioning boss; the second plane is attached to the third positioning boss and the fourth positioning boss; the third plane is attached to the fifth positioning boss; the fourth plane is attached to the sixth positioning boss.

Furthermore, a damping washer is arranged on the bottom plate and is in contact with the printed board.

Furthermore, the bottom plate is also provided with a dismounting bolt which can move up and down relative to the bottom plate.

The utility model discloses technical scheme can realize one of following effect at least:

1. the utility model discloses a multirow connector fixed-position welding device between boards utilizes the locating lug to carry out the high accuracy location before welding to the connector between boards, has eliminated the cooperation error of positioner with the connector, has eliminated connector and printed plate size error simultaneously, and the precision of plugging into for follow-up module has laid a good foundation to the signal transmission quality of connector between boards has been improved.

2. When the positioning welding device is used, the bottom plate and the pressing plate are attached to and clamped with the printed board and the cushion pad of the printed board; the bottom plate positioning core can accurately position the connector relative to the printed board, eliminates the matching error of the positioning device and the connector, eliminates the installation size error of the connector and the printed board, and prevents the connector from moving in the welding process.

3. The first plane, the second plane, the third plane and the fourth plane arranged on the surface of the inner cavity of the connector of the utility model are tightly attached to the positioning lug boss on the positioning core, so that the connector is prevented from moving relative to the positioning core; the bottom plate is fastened with the printed board, the printed board cushion pad and the pressing plate through the screws, so that the connector is prevented from longitudinally moving, and the printed board is prevented from deforming, moving and the like in the welding process.

4. The positioning pin of the utility model can realize the automatic positioning of the connector and the positioning boss arranged on the positioning core; in the process of realizing the automatic positioning of the positioning boss on the connector and the positioning core, the damping washer can realize the effective protection of the printed board.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

FIG. 1 is an exploded view of a tack welding apparatus of the present invention;

FIG. 2 is a top view of the tack welding apparatus of the present invention;

FIG. 3 is a schematic view of a bottom plate structure;

FIG. 4 is a schematic view of the positioning core position integral with the base plate;

FIG. 5 is a schematic view of a positioning core structure;

FIG. 6 is a schematic view of a platen structure;

FIG. 7 is a schematic diagram of a printed board structure;

FIG. 8 is a schematic diagram of a printed board cushion structure;

FIG. 9 is a schematic view of a connector configuration;

fig. 10 is a schematic view of a bottom plate assembly structure.

Reference numerals:

1-pressing a plate; 2-a buffer pad; 3-a printed board; 4-a connector; 5-a bottom plate; 6-a first screw; 7-a second screw;

401-positioning the lumen; 402-positioning holes;

4011-a first plane; 4012-a second plane; 4013-third plane; 4014-fourth plane;

501-positioning a core; 502-a guide pin; 503-cushion ring; 504-removing the bolt;

5011-a first positioning boss; 5012-a second positioning boss; 5013-a third positioning boss; 5014-a fourth positioning boss; 5015-a fifth positioning boss; 5016-sixth positioning boss.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of the invention, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit the scope of the invention.

The utility model discloses a concrete embodiment, as shown in fig. 1-10, discloses a multirow connector fixed-position welding device between boards, including clamp plate 1, blotter 2, printing board 3 and bottom plate 5, bottom plate 5 and clamp plate 1 are used for location printing board 3 and connector 4, connector 4 locks in advance on printing board 3. The bottom plate 5 is provided with a positioning core 501 for positioning the connector 4, and the positioning core 501 corresponds to the positioning cavity 401 on the connector 4. The relative position of the printed board and the connector is positioned through the bottom plate, and the welding position precision is guaranteed.

Further, the bottom plate 5 is fixedly connected with the printed board 3 through a first screw 6; the bottom plate 5 is fixedly connected with the cushion pad 2 and the pressure plate 1 through second screws 7.

The utility model discloses when using, clamp plate 1, blotter 2, printing board 3 laminate in proper order and compress tightly with bottom plate 5, and printing board 3 presss from both sides tightly between bottom plate 5 and clamp plate 1, and sets up blotter 2 between printing board 3 and the clamp plate 1 and carry out buffering protection printing board 3, and location core 501 on the bottom plate 5 can carry out accurate location to connector 4 for the position of printing board 3, prevents that connector 4's position from taking place to remove.

Further, the bottom plate 5 is a rectangular bottom plate, a positioning core 501 integrated with the bottom plate 5 is arranged on the bottom plate 5, and the positioning core 501 is located on the rectangular convex table surface of the bottom plate 5 and integrated with the bottom plate 5. The positioning core 501 is a rectangular structure matching with the positioning cavity 401 of the connector 4, and each positioning core 501 is provided with 6 positioning bosses.

Further, the positioning core 501 is rectangular, and two positioning bosses, namely a first positioning boss 5011, a second positioning boss 5012, a third positioning boss 5013, and a fourth positioning boss 5014, are disposed on two long sides of the rectangular positioning core 501, as shown in fig. 5; on both short sides of the positioning core 501, there is a positioning boss, a fifth positioning boss 5015 and a sixth positioning boss 5016, respectively, as shown in fig. 5.

The connector 4 is provided with two positioning inner cavities 401 and two positioning holes 402, wherein the surface of the positioning inner cavity 401 is provided with a first plane 4011, a second plane 4012, a third plane 4013 and a fourth plane 4014; after the connector 4 and the bottom plate 5 are positioned and matched, the first plane 4011 and the second plane 4012 on the surface of the positioning inner cavity 401 are attached to four positioning bosses on the long sides of the positioning core 501, specifically, the first plane 4011 is attached to the first positioning boss 5011 and the second positioning boss 5012, and the second plane 4012 is attached to the third positioning boss 5013 and the fourth positioning boss 5014. The third plane 4013 and the fourth plane 4014 of the surface of the positioning inner cavity 401 respectively abut against the fifth positioning boss 5015 and the sixth positioning boss 5016 on the positioning core 501.

Further, guide pins 502 are mounted on the base plate 5, and the guide pins 502 are mounted on the left and right sides of the positioning core 501, as shown in fig. 10.

The bottom plate 5 is provided with a guide pin 502 corresponding to the positioning hole 402 on the connector 4, or the connector 4 is provided with a positioning hole 402 corresponding to the guide pin 502, and through the matching of the guide pin 502 and the positioning hole 402, the matching of the positioning inner cavity 401 of the connector 4 and the positioning core 501 on the bottom plate 5 can be realized in the welding process, so that the automatic positioning of the connector 4 on the bottom plate 5 is realized.

Through the matching of the positioning core 501 and the positioning inner cavity 401, the relative movement between the connector 4 and the bottom plate 5 can be prevented; specifically, a first plane 4011 on the surface of the positioning inner cavity 401 of the connector 4 is attached to the first positioning boss 5011 and the second positioning boss 5012, and a second plane 4012 is attached to the third positioning boss 5013 and the fourth positioning boss 5014, so that the connector 4 is prevented from moving transversely (horizontally); the third 4013 and fourth 4014 abut against the fifth 5015 and sixth 5016 alignment bosses of the alignment core 501 to prevent longitudinal (horizontal) movement of the connector 4. The bottom plate 5, the printed board 3, the buffer pad 2 and the pressing plate 1 are fastened and connected through the first screw 6 and the second screw 7, and the connector 4 and the bottom plate 5 are prevented from moving relative to each other in the vertical direction.

Further, as shown in fig. 1 and 6, the pressing plate 1 has a rectangular grid structure and has a plurality of rectangular through holes. The connector 4 can extend out of the rectangular through hole, and is convenient to be welded and fixed with the printed board 3.

Further, the shape of the cushion pad 2 is the same as that of the press and extraction 1.

Further, the damping washer 503 is arranged on the bottom plate 5, so that effective protection of the printed board 3 in the welding process can be realized, and the printed board 3 is prevented from being damaged in the welding process.

Furthermore, a dismounting bolt 504 is arranged on the bottom plate 5, the connector 4 can be ejected out of the bottom plate 5 by rotating the dismounting bolt 504, and the connector 4 extends out of the middle through hole of the pressing plate 1, so that the connector 4 and the printed board 3 can be welded and fixed into a whole conveniently by welding operation.

The utility model discloses in, the welding process of printing board 3 and connector 4 is according to following step:

1) all the connectors 4 are pre-fastened on the printed board 3 by first screws 6;

2) the assembly of the connector 4 and the printed board 3 is preassembled on a positioning core 501 on the bottom board 5 through a guide pin 502 on the bottom board 5;

3) fastening the components of the cushion pad 2, the pressing plate 1, the connector 4 and the printed board 3 on the bottom plate 5 in sequence by using second screws 7;

4) all connectors 4 are fastened to printed board 3 by first screws 6;

5) the assembly of the connector 4 and the printed board 3 is ejected out of the bottom plate 5 through the detaching bolts 504 on the bottom plate 5, so that the welding operation is convenient;

6) the connector 4 is soldered (e.g., using an electric soldering iron) to the printed board 3.

Compared with the prior art, the utility model discloses a multirow connector fixed-position welding device between boards, the device are used for carrying out accurate location to the connector, have eliminated the cooperation error of positioner with the connector, have eliminated connector and printed plate size error simultaneously, have promoted follow-up module and have inserted the precision of closing to the signal transmission quality of connector between boards has been improved on the whole.

Can also utilize the utility model discloses a structural design realizes the accurate positioning of multiple connector and printing board or other connector carriers, does not deviate from the utility model discloses an essence.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A kind of location welding device of the multirow union coupling between the boards, characterized by comprising: the pressing plate (1), the printed board (3), the connector (4) and the bottom plate (5); the connector (4) is arranged on the printed board (3); the printed board (3) is tightly pressed between the pressing board (1) and the bottom board (5); be equipped with location core (501) on bottom plate (5), be equipped with location inner chamber (401) on connector (4), location core (501) and location inner chamber (401) cooperation for realize the position location of connector (4) and bottom plate (5).

2. The device for the positioned welding of a plurality of rows of connectors between plates as claimed in claim 1, characterized in that said pressure plate (1) is provided with a plurality of rectangular through holes.

3. The device for the positioned welding of the multiple rows of connectors between the boards according to claim 1, characterized in that a buffer pad (2) is arranged between the printed board (3) and the pressure plate (1).

4. The device for the positioned welding of a plurality of rows of connectors between boards in accordance with any of claims 1-3, characterized in that a plurality of connectors (4) are mounted on the printed board (3).

5. The device for positioning and welding a plurality of rows of connectors between plates as claimed in claim 4, wherein the base plate (5) is provided with a guide pin (502), the connector (4) is provided with a positioning hole (402), and the guide pin (502) is matched with the positioning hole (402) for positioning.

6. The device for the positioned welding of multiple rows of connectors between boards in accordance with claim 5, characterized in that the positioning core (501) is provided with a first positioning boss (5011), a second positioning boss (5012), a third positioning boss (5013), a fourth positioning boss (5014), a fifth positioning boss (5015) and a sixth positioning boss (5016).

7. The plate-to-plate multi-row connector positioning welding device according to claim 6, characterized in that the positioning inner cavity (401) comprises a first plane (4011), a second plane (4012), a third plane (4013) and a fourth plane (4014); the first plane (4011) is attached to the first positioning boss (5011) and the second positioning boss (5012); the second plane (4012) is attached to the third positioning boss (5013) and the fourth positioning boss (5014); the third plane (4013) is attached to the fifth positioning boss (5015); the fourth plane (4014) is attached to the sixth positioning boss (5016).

8. The device for the positioned welding of a plurality of rows of connectors between plates as claimed in claim 1, characterized in that a shock absorbing gasket (503) is further arranged on the bottom plate (5), and the shock absorbing gasket (503) is in contact with the printed board (3).

9. The device for the positioned welding of a plurality of rows of connectors between plates as claimed in claim 1, characterized in that the bottom plate (5) is further provided with a removal bolt (504), and the removal bolt (504) can move up and down relative to the bottom plate (5).