CN210702999U

CN210702999U - Positioning jig for circuit board welding

Info

Publication number: CN210702999U
Application number: CN201921233291.3U
Authority: CN
Inventors: 徐春彬; 吴庆; 吕标兴
Original assignee: Wuhan Shenhua Four Dimensional Technology Co Ltd
Current assignee: Wuhan Shenhua Four Dimensional Technology Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-06-09
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a positioning jig for welding a circuit board, which comprises a welding component, a circular groove, a working platform and a fixing component, wherein the working platform is arranged below the welding component, the upper end of the working platform is provided with the circular groove, the fixing component is arranged at the top end of a supporting column, the utility model discloses a circular groove is arranged on the upper surface of the working platform along the periphery of the supporting column, a welding head is connected with a brush head of a fine hair through a rotating shaft, the rotating shaft is sleeved at one end of a telescopic rod through a bearing, one side of the telescopic rod is provided with a limiting column with a limiting hole on the surface and matched with a bolt, and a sliding block arranged at the lower end of the limiting column slides in the circular groove, the structure enhances the positioning flexibility in the welding process, the welding work can be carried out on any position of the circuit board, in addition, the, the structure can clean the scraps remained after the welding is finished while welding.

Description

Positioning jig for circuit board welding

Technical Field

The utility model belongs to the technical field of the circuit board, concretely relates to positioning jig is used in circuit board welding.

Background

The circuit board mainly comprises a pad, a via hole, a mounting hole, a wire, a component, a connector, a filler, an electrical boundary and the like, wherein the name of the circuit board is ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high-frequency board, thick copper board, impedance board, ultrathin circuit board, printed circuit board and the like, and the circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electrical appliance layout.

The circuit board needs to weld structures such as components and parts on the surface of the circuit board in the production or processing process, and in the welding process, a positioning jig is inevitably needed, but the structure of a general positioning device is fixed singly, the traditional positioning jig does not consider the complex diversity of structures such as circuits on the surface of the circuit board, the fixed positioning device possibly cannot consider the welding of some corners or other dead corners, and in addition, the surface of the circuit board can remain part of scraps to be cleaned after the welding is finished.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a positioning jig is used in circuit board welding has the location flexibility, easy operation characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning jig for welding a circuit board comprises a welding assembly, a return groove, a working platform, a base and a fixing assembly, wherein the working platform is arranged below the welding assembly, the return groove is formed in the upper end of the working platform, the base is installed on one side of the welding assembly, a supporting column is arranged at the upper end of the base, and the fixing assembly is installed at the top end of the supporting column;

the welding assembly comprises a capillary brush head, a sliding block, a limiting column, a welding head, a rotating shaft and a telescopic rod, wherein the limiting column is arranged at the upper end of the sliding block, the rotating shaft is arranged on the outer surface of the limiting column, the welding head is arranged on one side of the rotating shaft, the capillary brush head is arranged on one side of the rotating shaft, which is far away from the welding head, and the telescopic rod is arranged on one side of the rotating shaft;

the fixed subassembly includes slide bar, movable clamp plate, electricity sliding seat, collecting vat, backup pad, solid fixed splint and stopper, wherein, one side of backup pad is provided with the collecting vat, and the upper end of backup pad is provided with movable clamp plate, movable clamp plate's one end is provided with the electricity sliding seat, the inside of electricity sliding seat is run through and is provided with the slide bar, the stopper is installed in the one end that the electricity sliding seat was kept away from to the slide bar, and one side of stopper is provided with solid fixed splint.

Preferably, the size of the return groove conforms to the size of the sliding block, the limiting column and the sliding block are of an integrated structure, and the rotating shaft is connected with a limiting hole formed in the surface of the limiting column through a bolt.

Preferably, the rotating shaft is connected with the telescopic rod through a bearing, and the fine bristle brush head and the welding head are respectively arranged on two sides of the rotating shaft through the telescopic rod.

Preferably, the fixed component is installed at the upper end of the base through a support column, and the fixed clamping plate is installed at the upper end of the supporting plate through a fixing screw.

Preferably, the collecting groove and the limiting block are respectively welded at one side and the upper end of the supporting plate through arc welding.

Preferably, the sliding rod penetrates through the electric sliding seat and is fixedly installed between every two limiting blocks, and the electric sliding seat is fixedly connected with the movable clamping plate through bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up the return groove all around along the support column at the workstation upper surface, be connected through the pivot between soldered connection and the capillary brush head, the pivot is cup jointed in telescopic link one end through the bearing, telescopic link one side sets up the spacing post that the surperficial chisel had spacing hole and matched the bolt, and the slider that spacing post lower extreme set up slides in returning the shape inslot, the flexibility of location has been strengthened to this kind of structure in the welding process, can carry out weldment work to circuit board arbitrary department, be provided with fixed subassembly in the support column upper end in addition, and the backup pad set up the collecting vat all around, this kind of structure can also clear up remaining piece after the welding finishes in the welded.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the welding assembly of the present invention.

Fig. 3 is a schematic structural view of the fixing assembly of the present invention.

In the figure: 1. welding the assembly; 11. a fine hair brush head; 12. a slider; 13. a limiting column; 14. welding a head; 15. a rotating shaft; 16. a telescopic rod; 2. a circular groove; 3. a working platform; 4. a support pillar; 5. a base; 6. a fixing assembly; 61. a slide bar; 62. a movable splint; 63. an electric sliding seat; 64. collecting tank; 65. A support plate; 66. fixing the clamping plate; 67. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a positioning jig for welding a circuit board comprises a welding component 1, a return groove 2, a working platform 3, a base 5 and a fixing component 6, wherein the working platform 3 is arranged below the welding component 1, the return groove 2 is arranged at the upper end of the working platform 3, the base 5 is installed on one side of the welding component 1, a support column 4 is arranged at the upper end of the base 5, and the fixing component 6 is installed at the top end of the support column 4;

the welding assembly 1 comprises a fine bristle brush head 11, a sliding block 12, a limiting column 13, a welding head 14, a rotating shaft 15 and a telescopic rod 16, wherein the limiting column 13 is arranged at the upper end of the sliding block 12, the rotating shaft 15 is installed on the outer surface of the limiting column 13, the welding head 14 is arranged on one side of the rotating shaft 15, the fine bristle brush head 11 is arranged on one side, away from the welding head 14, of the rotating shaft 15, and the telescopic rod 16 is installed on one side of the rotating shaft 15;

the fixing assembly 6 comprises a sliding rod 61, a movable clamping plate 62, an electric sliding seat 63, a collecting groove 64, a supporting plate 65, a fixing clamping plate 66 and a limiting block 67, wherein the collecting groove 64 is arranged on one side of the supporting plate 65, the movable clamping plate 62 is arranged on the upper end of the supporting plate 65, the electric sliding seat 63 is arranged on one end of the movable clamping plate 62, the sliding rod 61 penetrates through the inside of the electric sliding seat 63, the limiting block 67 is arranged on one end, far away from the electric sliding seat 63, of the sliding rod 61, and the fixing clamping plate 66 is arranged on one side of.

In order to enable the welding assembly 1 to slide along the circular groove 2, in this embodiment, it is preferable that the size of the circular groove 2 matches the size of the sliding block 12, the limiting column 13 and the sliding block 12 are of an integral structure, and the rotating shaft 15 is connected with a limiting hole arranged on the surface of the limiting column 13 through a plug.

In order to clean the scraps remaining after the welding, in this embodiment, it is preferable that the rotating shaft 15 and the telescopic rod 16 are connected by a bearing, and the bristle brush head 11 and the welding head 14 are respectively attached to both sides of the rotating shaft 15 by the telescopic rod 16.

In order to ensure that the circuit board cannot move randomly during the soldering process, in the embodiment, it is preferable that the fixing assembly 6 is mounted on the upper end of the base 5 through the supporting pillar 4, and the fixing clamp plate 66 is mounted on the upper end of the supporting plate 65 through a fixing screw.

In order to collect the cleaned scraps, in this embodiment, it is preferable that the collecting grooves 64 and the stoppers 67 are respectively welded to one side and an upper end of the supporting plate 65 by arc welding.

In order to realize the function of fixing circuit boards with different sizes, in this embodiment, preferably, the sliding rod 61 penetrates through the electric sliding seat 63 and is fixedly installed between every two of the limiting blocks 67, and the electric sliding seat 63 is fixedly connected with the movable clamping plate 62 through a bolt.

The utility model discloses well soldered connection 14 is for the widely known technique that applies to daily life that has disclosed, and its theory of operation is: in the spot resistance welding equipment, the device is directly contacted with the welded object and directly provides current and pressure for the welded object, and the model of the device is HJT-147 in the embodiment.

The utility model discloses well telescopic link 16 is for the widely known technique that applies to daily life that has disclosed, and its theory of operation is: the telescopic hollow cylindrical rod is characterized in that the metal strip or the plastic sheet is pre-shaped into an elastic curled layer with a memory function and smaller than the outer diameter of the rod body, so that the elastic curled layer has a self-tightening function and always has elastic potential energy for applying pressure on the rod body, and the model of the telescopic hollow cylindrical rod is SSG-7946.

The utility model discloses well electric sliding seat 63 is the known technique that widely applies to daily life that has disclosed, and its theory of operation is: the novel linear actuating mechanism mainly comprises a motor, a push rod, a control device and other mechanisms, can realize remote control and centralized control, can reciprocate within a certain range of travel, and is DHDZ-L31 in the embodiment.

The utility model discloses a theory of operation and use flow: firstly, a circuit board to be welded is placed between a fixed clamping plate 66 and a movable clamping plate 62, an electric sliding seat 63 starts to slide along a sliding rod 61, the further movable clamping plate 62 also moves until the movable clamping plate 62 can be matched with the fixed clamping plate 66 to fix the circuit board, the structure can further fix the circuit board along with the change of the size of the circuit board, then a welding assembly 1 starts to perform welding operation, because the size of a sliding block 12 arranged at the bottom end of a limiting column 13 is consistent with the size of a return groove 2 arranged around a supporting column 4, the whole welding assembly 1 can slide along the return groove 2, because a rotating shaft 15 sleeved at the periphery of the limiting column 13 through a bolt is connected with a telescopic rod 16 through a bearing, a hairline brush head 11 and a welding head 14 are respectively arranged at two sides of the rotating shaft 15 through the telescopic rod 16, and therefore during the sliding of the welding assembly 1, through the cooperation between the spacing hole that telescopic link 16 and spacing post 13 surface evenly set up, can control the soldered connection 14 in a flexible way and, avoid some dead angles departments in circuit board surface to be unable to weld, after the soldering, replace soldered connection 14 into thin brush head 11 through rotating shaft 15 and clear up the sweeps, then collect by collecting vat 64 after the clearance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positioning jig is used in circuit board welding, includes welding subassembly (1), time shape groove (2), work platform (3), base (5) and fixed subassembly (6), its characterized in that: a working platform (3) is arranged below the welding component (1), a return groove (2) is formed in the upper end of the working platform (3), the base (5) is installed on one side of the welding component (1), a supporting column (4) is arranged at the upper end of the base (5), and the fixing component (6) is installed at the top end of the supporting column (4);

the welding assembly (1) comprises a fine hair brush head (11), a sliding block (12), a limiting column (13), a welding head (14), a rotating shaft (15) and a telescopic rod (16), wherein the limiting column (13) is arranged at the upper end of the sliding block (12), the rotating shaft (15) is installed on the outer surface of the limiting column (13), the welding head (14) is arranged on one side of the rotating shaft (15), the fine hair brush head (11) is arranged on one side, away from the welding head (14), of the rotating shaft (15), and the telescopic rod (16) is installed on one side of the rotating shaft (15);

fixed subassembly (6) include slide bar (61), movable clamp plate (62), electricity sliding seat (63), collecting vat (64), backup pad (65), solid fixed splint (66) and stopper (67), wherein, one side of backup pad (65) is provided with collecting vat (64), and the upper end of backup pad (65) is provided with movable clamp plate (62), the one end of activity splint (62) is provided with electricity sliding seat (63), the inside of electricity sliding seat (63) is run through and is provided with slide bar (61), stopper (67) are installed and are kept away from the one end of electricity sliding seat (63) in slide bar (61), and one side of stopper (67) is provided with solid fixed splint (66).

2. The positioning jig for circuit board welding of claim 1, wherein: the size of the return groove (2) conforms to the size of the sliding block (12), the limiting column (13) and the sliding block (12) are of an integrated structure, and the rotating shaft (15) is connected with a limiting hole formed in the surface of the limiting column (13) through a bolt.

3. The positioning jig for circuit board welding of claim 1, wherein: the rotating shaft (15) is connected with the telescopic rod (16) through a bearing, and the fine bristle brush head (11) and the welding head (14) are respectively arranged on two sides of the rotating shaft (15) through the telescopic rod (16).

4. The positioning jig for circuit board welding of claim 1, wherein: the fixed component (6) is installed at the upper end of the base (5) through the supporting column (4), and the fixed clamping plate (66) is installed at the upper end of the supporting plate (65) through a fixing screw.

5. The positioning jig for circuit board welding of claim 1, wherein: the collecting groove (64) and the limiting block (67) are respectively welded to one side and the upper end of the supporting plate (65) through arc welding.

6. The positioning jig for circuit board welding of claim 1, wherein: the sliding rod (61) penetrates through the electric sliding seat (63) and is fixedly installed between the limiting block (67) and the electric sliding seat (63) is fixedly connected with the movable clamping plate (62) through a bolt.