CN115255548A - Circuit board welding and fixing jig and operation method thereof - Google Patents

Abstract

The application provides a circuit board welding and fixing jig and an operation method thereof, wherein the jig comprises a first carrier and a second carrier, and the first carrier and the second carrier are arranged side by side at intervals and hinged through a rotating mechanism; the first carrier comprises a first base and a pressing plate, a first station is arranged on the first base, and the pressing plate is hinged to one end of the first base; the second carrier comprises a second base, a pressing strip and a pressing block, a second station is arranged on the second base, the pressing strip is hinged to one end of the second base, the pressing block is hinged to one side, away from the first base, of the second base, and through holes are formed in the second station corresponding to welding points on the back face of the circuit board. When the second carrier rotated to suitable position relatively first carrier, the through-hole of operation personnel accessible set up on the second station was with the line body down sinle silk and the back welding of circuit board, so, can accomplish the two-sided welding of sinle silk and circuit board under the condition of not taking off the circuit board, convenient operation has greatly improved operation personnel's work efficiency.

Description

Circuit board welding and fixing jig and operation method thereof

Technical Field

The application relates to the technical field of jigs, in particular to a circuit board welding and fixing jig and an operation method thereof.

Background

The data line is one of essential basic elements for data transmission, and can be used for data transmission movement between equipment or for the purposes of data transmission, charging, communication and the like of the equipment. The data line includes the line body and data head, and many sinle silks in the line body need weld on the circuit board of data head, for reducing the width of the line body, and the sinle silk is equipped with two rows and welds respectively on the positive and negative two sides of circuit board.

In the actual welding process, the circuit board is generally fixed by the fixing jig, and after the front side of the circuit board is welded, the circuit board is taken down, turned over and fixed again, and then the back side of the circuit board is welded. This mode operation is comparatively loaded down with trivial details, and welding efficiency is low.

Disclosure of Invention

In order to solve the existing technical problem, the application provides a circuit board welding and fixing jig capable of completing double-sided welding of a circuit board by single fixing and an operation method thereof.

In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:

on one hand, the embodiment of the application provides a circuit board welding and fixing jig which comprises a first carrier for clamping a line body and a second carrier for clamping a circuit board, wherein the first carrier and the second carrier are arranged side by side at intervals along a first direction and are hinged through a rotating mechanism;

the first carrier comprises a first base and a pressing plate, a first station is arranged on the first base along the first direction, and the pressing plate is hinged to one end, located in the second direction, of the first base;

the second carrier comprises a second base, a pressing strip and a pressing block, a second station corresponding to the first station is arranged on the second base, the pressing strip is hinged to one end, located in the second direction, of the second base, the pressing block is hinged to one side, away from the first base, of the second base and arranged corresponding to the second station, and a through hole is formed in the second station corresponding to a welding point on the back of the circuit board; the first direction is perpendicular to the second direction.

In one embodiment, a clamping groove is formed in the second base, and the clamping groove is arranged along the first direction and extends from the edge of the through hole to one side, facing the first base, of the second base.

In one embodiment, the depth of the neck is less than or equal to the diameter of the wire core within the wire body.

In one embodiment, the rotating mechanism includes a connecting seat, a connecting plate and a pin, the connecting seat is disposed on the first base on both sides of the second direction, a first connecting hole is disposed on the connecting seat, the connecting plate is disposed on the second base on both sides of the second direction, a second connecting hole is disposed on the connecting plate, and the pin penetrates through the first connecting hole and the second connecting hole on the same side.

In one embodiment, the rotation mechanism further includes a locking block slidably disposed on the connecting seat along the first direction, the connecting plate has an arc-shaped sidewall, and the locking block operatively abuts against the arc-shaped sidewall to lock a rotation position of the second carrier relative to the first carrier.

In one embodiment, one end of the pressing plate is connected with the first base, and the other end of the pressing plate is magnetically attracted or buckled with the first base.

In one embodiment, one end of the pressing strip is hinged to the second base, and the other end of the pressing strip is connected with the second base in a buckling mode.

In one embodiment, an elastic piece is arranged on one side of the pressing piece in the rotating direction of the pressing strip.

In one embodiment, the first stations are arranged in plurality at intervals along the second direction, and the second stations and the pressing blocks are correspondingly arranged in plurality.

On the other hand, the application also provides an operation method applied to the circuit board welding fixing jig, and the method comprises the following steps:

placing the wire body in a first station, rotating a pressing plate to fix the wire body, placing the lower-row wire cores in the wire body in the clamping grooves, and enabling the welding ends of the lower-row wire cores to correspond to the through holes;

placing the circuit board on a second station, and sequentially rotating the pressing block and the pressing strip to enable the pressing strip to press the pressing block, the pressing block to press the circuit board, and the circuit board to press the lower-row wire cores in the clamping grooves;

rotating the second carrier to form a 90-degree included angle with the first carrier, and welding the lower-row wire cores with welding points on the back of the circuit board through the through holes on one side of the second base back to the second station;

and rotating the second carrier to form a 180-degree included angle between the second carrier and the first carrier, and welding the upper-row wire cores in the wire bodies with welding spots on the front surface of the circuit board.

The circuit board welding and fixing jig and the operation method thereof at least have the following beneficial effects: the utility model provides a circuit board welded fastening tool fixes the line body and circuit board respectively through first carrier and second carrier, makes the second carrier rotate first carrier relatively through setting up slewing mechanism, and when the second carrier rotated to suitable position, the through-hole of operation personnel accessible offered on the second station welded the line body down sinle silk and the one side of circuit board orientation second station with the line body. Therefore, double-side welding of the wire core and the circuit board can be completed under the condition that the circuit board is not taken down, operation is convenient, and the working efficiency of operating personnel is greatly improved.

Drawings

Fig. 1 is a schematic perspective view of a circuit board soldering fixture according to an embodiment of the present disclosure;

fig. 2 is a schematic structural view illustrating a state in which an included angle of 180 ° is formed between the first carrier and the second carrier in fig. 1;

fig. 3 is a schematic structural view illustrating a state in which a 90 ° included angle is formed between the first carrier and the second carrier in fig. 1;

fig. 4 is a projection view of the circuit board soldering fixture in fig. 3 in one direction;

FIG. 5 is a sectional view of the second carrier of FIG. 1 in a disassembled configuration;

FIG. 6 is an enlarged view taken at A in FIG. 5;

FIG. 7 is a schematic view of the rotating mechanism of FIG. 1 in a disassembled configuration;

fig. 8 is a flowchart illustrating an operation method of the circuit board soldering fixture according to the embodiment of the present application.

The elements in the figures are numbered as follows: a first carrier 10; a first base 11; a first station 111; a platen 12; lightening holes 121; a bit 122; a second carrier 20; a second base 21; a second station 211; a through hole 212; a card slot 213; a briquette 22; a bead 23; an elastic member 231; mounting holes 232; a connecting seat 31; a first connection hole 311; a chute 312; a locking hole 313; a threaded hole 314; a connecting plate 32; the second connection hole 321; an arcuate sidewall 322; a pin 33; a lock block 34; a waist-shaped hole 341; a round-headed screw 35; a wire body 200; a circuit board 300.

Detailed Description

The technical solution of the present application is further described in detail with reference to the drawings and specific embodiments of the specification.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of implementations of the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

First, an embodiment of the present invention provides a circuit board soldering fixture, referring to fig. 1, the circuit board soldering fixture includes a first carrier 10 and a second carrier 20. The first carrier 10 is used for clamping and fixing the wire body 200, the second carrier 20 is used for clamping and fixing the circuit board 300, the first carrier 10 and the second carrier 20 are arranged side by side at intervals along a first direction, and the first carrier 10 and the second carrier 20 are hinged through a rotating mechanism. By operating the second carrier 20 to rotate relative to the first carrier 10, the upper wire cores and the lower wire cores can be respectively welded with the front surface and the back surface of the circuit board 300 without taking down the circuit board 300, so that the welding efficiency is improved.

Specifically, the first carrier 10 includes a first base 11 and a platen 12. Be equipped with the first station 111 that is used for placing the line body 200 on the first base 11, first station 111 can be one with the recess of line body 200 shape looks adaptation, can also be along the boss of a plurality of bands recess of first direction interval setting, and first station 111 sets up along first direction, and the line body 200 is placed and the direction of naked hourglass sinle silk orientation second carrier 20 along first direction equally. The pressing plate 12 is hinged to one end of the first base 11, which is located in a second direction perpendicular to the first direction, and the wire body 200 can be pressed and fixed by rotating the pressing plate 12.

Preferably, the pressing plate 12 may be a flat plate structure, one end of the pressing plate 12 may be hinged to the first base 11 through a rotating shaft parallel to the first direction, and the other end may be detachably connected to the first base 11 through magnetic attraction, fastening, and the like; the pressing plate 12 can be provided with lightening holes 121 for lightening; the pressure plate 12 may be provided with a cutout 122 to facilitate manual opening and closing of the pressure plate 12.

Referring to fig. 5 and 6, the second carrier 20 includes a second base 21, a pressing block 22 and a pressing bar 23. The second base 21 is provided with a second station 211 for placing the circuit board 300, the second station 211 corresponds to the first station 111, so that the circuit board 300 is welded with the wire core in the wire body 200 in an alignment manner, and the second station 211 can be a groove matched with the circuit board 300 in shape. The pressing strip 23 is hinged to one end, located in the second direction, of the second base 21, the pressing block 22 is hinged to one side, away from the first base 11, of the second base 21, the pressing block 22 is arranged corresponding to the second station 211, the pressing strip 23 and the second base 21 clamp the circuit board 300 through rotation of the pressing strip 23, and then the pressing block 22 is pressed through rotation of the pressing strip 23 to further press and fix the circuit board 300.

Preferably, the shape of the pressing block 22 is designed according to the size of the circuit board 300, and the pressing block 22 may be hinged to the second base 21 through a rotating shaft parallel to the second direction; the pressing block 22 may be formed with a hollow hole to avoid a protruding portion of the front surface of the circuit board 300, such as a bump or a portion provided with an electronic component. One end of the pressing bar 23 can be hinged with the second base 21 through a rotating shaft parallel to the first direction, and the other end can be detachably connected with the second base 21 through a snap fit mode.

In order to avoid the loose fixation of the circuit board 300 caused by the gap between the pressing bar 23 and the pressing block 22, the elastic member 231 is disposed on one side of the pressing bar 23 facing the pressing block 22 in the rotation direction, when the pressing bar 23 is locked with the second base 21, the elastic member 231 provides the pressing force of the pressing block 22 on the workpiece, and the expansion and contraction characteristics of the elastic member 231 avoid the loose fixation of the circuit board 300. Meanwhile, when the buckling of the pressing strip 23 and the second base 21 is released, the elastic piece 231 provides an elastic force for the upward rotation and ejection of the pressing strip 23, so that the operation of an operator is facilitated. The elastic member 231 may be a ball plunger, a spring, a metal spring, a deformable plastic member, or the like. In the illustrated embodiment, the elastic member 231 is a ball plunger, the pressing bar 23 is provided with a mounting hole 232, and the ball plunger is installed in the mounting hole 232 and partially protrudes from the mounting hole 232.

The front side of the circuit board 300, i.e. the side facing away from the second station 211, is provided with welding spots welded with the welding ends of the upper row of wire cores, and the back side of the circuit board 300, i.e. the side facing towards the second station 211, is provided with welding spots welded with the welding ends of the lower row of wire cores. A through hole 212 penetrating through the second base 21 is disposed on the second station 211, and when the circuit board 300 is placed on the second station 211, the through hole 212 corresponds to a solder joint on the back side of the circuit board 300. The second station 211 is further provided with a locking groove 213, and the locking groove 213 is disposed along the first direction and extends from the edge of the through hole 212 to a side of the second base 21 facing the first base 11. The receiving groove 213 is used to position the lower conductor core such that the soldering terminal of the lower conductor core can extend to the center of the through hole 212, thereby facilitating the soldering of the lower conductor core with the back surface of the circuit board 300 through the through hole 212. Preferably, the depth of the slot 213 is smaller than or equal to the diameter of the wire core, so that when the circuit board 300 is pressed and fixed, the circuit board 300 and the second base 21 can clamp and fix the lower wire core.

Referring to fig. 1 and 7, the rotating mechanism includes a connecting seat 31, a connecting plate 32 and a pin 33. Wherein, first base 11 all is equipped with connecting seat 31 in the both sides of second direction, be equipped with first connecting hole 311 on connecting seat 31, second base 21 all is equipped with connecting plate 32 in the both sides of second direction, be equipped with second connecting hole 321 on connecting plate 32, connecting seat 31 that lies in same side makes first connecting hole 311 and second connecting hole 321 corresponding with the laminating of connecting plate 32 part, round pin axle 33 sets up in parallel with the second direction, round pin axle 33 is equipped with two and wears to locate in the first connecting hole 311 and the second connecting hole 321 of both sides respectively, so that second carrier 20 can rotate first carrier 10 relatively.

To fix the rotational position of the second carrier 20 relative to the first carrier 10, the rotating mechanism further includes a lock block 34. In the illustrated embodiment, the locking block 34 is a rectangular block structure, the connecting seat 31 is concavely provided with a sliding slot 312, the locking block 34 is slidably disposed in the sliding slot 312 along a first direction, the connecting plate 32 has an arc-shaped sidewall 322, when the second carrier 20 rotates to a certain position, the locking block 34 can be operated to slide so that the locking block 34 abuts against the arc-shaped sidewall 322, the second carrier 20 cannot rotate further, and the rotation position of the second carrier 20 relative to the first carrier 10 is locked.

Preferably, the locking block can be locked by a round head screw 35. Specifically, a waist-shaped hole 341 is formed in the locking block 34, a threaded hole 314 is formed in one side wall of the sliding groove 312, a locking hole 313 with the diameter larger than the width of the waist-shaped hole 341 is formed in the other side wall of the sliding groove 312, the round-head screw 35 sequentially penetrates through the locking hole 313 and the waist-shaped hole 341, the tail end of the round-head screw is in threaded connection with the threaded hole 314, and the diameter of the head of the round-head screw 35 is smaller than the diameter of the locking hole 313 and larger than the width of the waist-shaped hole 341. By tightening the round head screw 35, the locking block 34 is clamped between the head of the round head screw 35 and the side wall of the sliding chute 312, so that the locking block 34 is locked; by unscrewing the round-head screw 35, the locking block 34 can slide in the sliding groove 312, and the shaft of the round-head screw 35 is matched with the waist-shaped hole 341 to limit the locking block 34.

Of course, in other embodiments, the rotational position of the second carrier 20 may be locked by other engaging structures. For example, a plurality of small holes are formed in the side wall of the connecting plate 32, a protrusion is arranged on the locking block 34, and the sliding locking block 34 is used for clamping the protrusion into different small holes in the rotating process of the connecting plate 32, so as to lock the rotating position of the second carrier 20.

The number of the first stations 111 is not limited, and one or more may be provided. In the illustrated embodiment, the first stations 111 are provided in plurality and are arranged at intervals along the second direction, correspondingly, the second stations 211 are provided in plurality and are in one-to-one correspondence with the first stations 111, and the pressing blocks 22 are provided in plurality and are in one-to-one correspondence with the second stations 211. Therefore, the jig for welding and fixing the circuit board 300 can weld the wire bodies 200 and the circuit boards 300 at the same time, and the working efficiency of operators is further improved.

In addition, referring to fig. 8, the present application further provides an operating method applied to the above-mentioned circuit board 300 soldering fixture, the method includes:

s1: the wire body 200 is placed at the first station 111, the pressing plate 12 is rotated to fix the wire body 200, the lower-row wire cores in the wire body 200 are placed in the clamping grooves 213, and the welding ends of the lower-row wire cores correspond to the through holes 212.

Specifically, the wire body 200 is placed in the first station 111, and the pressing plate 12 is rotated and connected and locked with the first base 11 by shifting the buckling position, so that the wire body 200 is fixed. An upper line core and a lower line core are exposed at one end of the wire body 200 facing the second carrier 20, the lower line core is manually operated to be placed in the clamping groove 213, and the welding end of the lower line core is correspondingly positioned at the center of the through hole 212.

S2: the circuit board 300 is placed at the second station 211, and the pressing block 22 and the pressing strip 23 are sequentially rotated, so that the pressing strip 23 presses the pressing block 22, the pressing block 22 presses the circuit board 300, and the circuit board 300 presses the lower-row wire cores in the clamping groove 213.

Specifically, the circuit board 300 is placed in the second station 211, the circuit board 300 and the second base 21 clamp the lower-row wire cores, the press block 22 is rotated to enable the press block 22 and the second base 21 to clamp the circuit board 300, then the press strip 23 is rotated and connected and locked with the second base 21, the press block 22 presses the circuit board 300 under the elastic action of the elastic piece 231, and the circuit board 300 presses the lower-row wire cores in the clamping groove 213.

S3: the second carrier 20 is rotated to form an included angle of 90 degrees with the first carrier 10, and the lower-row wire cores are welded with the welding points on the back surface of the circuit board 300 through the through holes 212 on the side of the second base 21 facing away from the second station 211.

Specifically, referring to fig. 3 and 4, the second carrier 20 is rotated to form an angle of 90 ° with the first carrier 10, the lower line core is bent, and the locking block 34 is slid to abut against the arc-shaped sidewall 322 and lock the locking block 34, so as to fix the relative position of the first carrier 10 and the second carrier 20. The worker welds the welding end of the lower line core with the back welding point of the circuit board 300 through the through hole 212 at the side of the second base 21 opposite to the second station 211.

S4: the second carrier 20 is rotated to form an included angle of 180 degrees with the first carrier 10, and the upper line cores in the line body 200 are welded with the welding points on the front surface of the circuit board 300.

Specifically, referring to fig. 2, after the welding of the lower row of core wires is completed, the locking block 34 is released, the second carrier 20 is rotated to form an included angle of 180 degrees with the first carrier 10 and is fixed by the locking block 34 again, and then the upper row of core wires is welded to the welding points on the front surface of the circuit board 300. Wherein steps S3 and S4 may exchange order. Therefore, the welding operation of the double-row wire cores in the wire body 200 and the front side and the back side of the circuit board 300 is completed.

In summary, according to the circuit board welding and fixing jig and the operation method thereof of the present application, the first carrier 10 and the second carrier 20 are used to fix the wire body 200 and the circuit board 300, respectively, the second carrier 20 can rotate relative to the first carrier 10 by setting the rotation mechanism, and when the second carrier 20 rotates to a proper position, an operator can weld the lower row of wire cores of the wire body 200 and the back of the circuit board 300 through the through hole 212 formed on the second station 211. Therefore, double-side welding of the wire core 200 and the circuit board 300 can be completed under the condition that the circuit board 300 is not taken down, operation is convenient, and working efficiency of operators is greatly improved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A circuit board welding and fixing jig is characterized by comprising a first carrier for clamping a line body and a second carrier for clamping a circuit board, wherein the first carrier and the second carrier are arranged side by side at intervals along a first direction and are hinged through a rotating mechanism;

the first carrier comprises a first base and a pressing plate, a first station is arranged on the first base along the first direction, and the pressing plate is hinged to one end, located in the second direction, of the first base;

the second carrier comprises a second base, a pressing strip and a pressing block, a second station corresponding to the first station is arranged on the second base, the pressing strip is hinged to one end, located in the second direction, of the second base, the pressing block is hinged to one side, away from the first base, of the second base and is arranged corresponding to the second station, and a through hole is formed in the second station corresponding to a welding point on the back of the circuit board; the first direction is perpendicular to the second direction.

2. The jig for soldering and fixing a circuit board according to claim 2, wherein a slot is formed on the second base, and the slot is disposed along the first direction and extends from the edge of the through hole to a side of the second base facing the first base.

3. The jig for soldering and fixing a circuit board according to claim 3, wherein the depth of the slot is less than or equal to the diameter of the wire core in the wire body.

4. The jig for soldering and fixing circuit boards according to claim 1, wherein the rotating mechanism includes a connecting seat, a connecting plate and a pin, the connecting seat is disposed on both sides of the first base in the second direction, a first connecting hole is disposed on the connecting seat, the connecting plate is disposed on both sides of the second base in the second direction, a second connecting hole is disposed on the connecting plate, and the pin is inserted into the first connecting hole and the second connecting hole on the same side.

5. The apparatus as claimed in claim 5, wherein the rotating mechanism further comprises a locking block slidably disposed on the connecting seat along the first direction, the connecting plate has an arc-shaped sidewall, and the locking block operatively abuts against the arc-shaped sidewall to lock a rotating position of the second carrier relative to the first carrier.

6. The jig of claim 1, wherein one end of the pressing plate is connected to the first base, and the other end is magnetically or snap-fit connected to the first base.

7. The jig for soldering and fixing a circuit board according to claim 1, wherein one end of the pressing bar is hinged to the second base, and the other end of the pressing bar is connected with the second base in a buckling manner.

8. The jig for soldering and fixing a circuit board according to claim 7, wherein an elastic member is provided on a side of the pressing bar facing the pressing block in the rotation direction.

9. The jig of claim 1, wherein the first station is provided with a plurality of stations and is arranged at intervals along the second direction, and the second station and the pressing block are correspondingly provided with a plurality of stations.

10. An operation method applied to the circuit board welding and fixing jig of any one of claims 1 to 9, characterized by comprising the following steps:

placing the wire body in a first station, rotating a pressing plate to fix the wire body, placing the lower-row wire cores in the wire body in the clamping grooves, and enabling the welding ends of the lower-row wire cores to correspond to the through holes;

placing the circuit board on a second station, and sequentially rotating the pressing block and the pressing strip to enable the pressing strip to press the pressing block, the pressing block to press the circuit board, and the circuit board to press the lower-row wire cores in the clamping grooves;

rotating the second carrier to form a 90-degree included angle with the first carrier, and welding the lower-row wire cores with welding points on the back of the circuit board through the through holes on one side of the second base back to the second station;

and rotating the second carrier to form a 180-degree included angle between the second carrier and the first carrier, and welding the upper-row wire cores in the wire bodies with welding spots on the front surface of the circuit board.

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