CN219986468U

CN219986468U - Positioning device for welding

Info

Publication number: CN219986468U
Application number: CN202321697095.8U
Authority: CN
Inventors: 刘玉龙
Original assignee: Chengdu Hongyi Technology Co ltd
Current assignee: Chengdu Hongyi Technology Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-10
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a positioning device for welding, which relates to the technical field of circuit board soldering tin and comprises a lifting mechanism, an operating platform, three positioning mechanisms and a regulating mechanism. The top of the operating table is provided with a base and an L-shaped plate; the three positioning mechanisms and the L-shaped plates are distributed at four positions of the operation table, the positioning mechanisms comprise guide plates, sliding blocks, baffle plates, guide cross rods, springs and vertical plates, the vertical plates and the guide plates are all arranged on the operation table, the sliding blocks are slidably arranged at the tops of the guide plates, the baffle plates are arranged at the inner ends of the sliding blocks, the outer ends of the sliding blocks are provided with first inclined surfaces, the first inclined surfaces are connected with the guide cross rods, the guide cross rods penetrate through the vertical plates and then are connected with convex plates, and the springs are arranged at the periphery of the guide cross rods and are positioned between the convex plates and the vertical plates; the three riser tops cover has the backup pad, and elevating system locates the backup pad, and regulation and control mechanism is connected to elevating system bottom, and regulation and control mechanism lateral wall is equipped with the regulation and control piece, and regulation and control piece bottom is established to the second inclined plane that matches with first inclined plane. The scheme is convenient for place the circuit board to can carry out spacingly to the circuit board.

Description

Positioning device for welding

Technical Field

The utility model relates to the technical field of circuit board soldering tin, in particular to a positioning device for soldering.

Background

The principle of the circuit board soldering tin is that the soldering tin is melted by heat conduction to form connection with the circuit board and the surface of an electronic element, and the specific method comprises two modes of manual welding and automatic machine welding. The manual welding mode is as follows: the electronic component and the circuit board are assembled together and then placed on the operation desk, a worker holds the electric soldering iron and the soldering tin wire by hand, so that the soldering tin wire is smeared at the joint of the electronic component and the circuit board after being melted, and the welding can be completed after the electronic component and the circuit board are cooled. The automatic welding equipment is needed to be used for the automatic welding of the machine, and the mode is as follows: the staff places the circuit board that assembles in welding equipment's rectangle inslot, and the rectangle groove is used for spacing to the circuit board, and electric iron and soldering tin silk are automatic to the position of waiting to soldering tin under the effect of regulation and control mechanism, and wherein the rectangle groove comprises four L type limiting plates, and L type limiting plates passes through bolted connection on welding equipment's platform, so the size in rectangle groove is unanimous with circuit board size, and this just results in the operation process of placing the circuit board more troublesome, needs diversified observation and adjustment circuit board's position just can guarantee that the circuit board just is facing to the rectangle groove, just can't place the circuit board in the rectangle groove slightly misplacement.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the positioning device for welding, which is convenient for placing the circuit board and limiting the circuit board.

In order to achieve the object of the utility model, the following scheme is adopted:

a positioning device for welding comprises a lifting mechanism, an operating platform, three positioning mechanisms and a regulating mechanism.

The center of the operation table is provided with a base, the base is used for placing a circuit board, and the top of the operation table is provided with an L-shaped plate;

the three positioning mechanisms and the L-shaped plates are distributed at four positions of the operation table and used for fixing the circuit board, the positioning mechanisms comprise guide plates, sliding blocks, baffle plates, guide cross bars, springs and vertical plates, the vertical plates and the guide plates are fixedly arranged on the operation table, the sliding blocks are slidably arranged at the tops of the guide plates, the baffle plates are arranged at the inner ends of the sliding blocks, the outer ends of the sliding blocks are provided with first inclined planes, the first inclined planes are connected with the guide cross bars, the guide cross bars penetrate through the vertical plates and then are connected with convex plates, and the springs are arranged at the periphery of the guide cross bars and are positioned between the convex plates and the vertical plates;

the three riser tops cover has the backup pad, and elevating system locates the backup pad, and elevating system connects regulation and control mechanism bottom, and regulation and control mechanism is used for controlling electric iron and soldering tin silk, and regulation and control mechanism lateral wall is equipped with the regulation and control piece with the position that positioning mechanism corresponds, and regulation and control piece bottom is established to the second inclined plane that matches with first inclined plane, and the regulation and control piece is used for promoting the slider to remove towards the base direction.

Further, the top of the regulating and controlling block is provided with a guide vertical rod, the middle section of the guide vertical rod is fixedly connected with the regulating and controlling mechanism, and the top of the guide vertical rod penetrates through the supporting plate.

Further, the bottom of the regulating block is provided with an avoidance groove, and when the regulating block moves downwards, the avoidance groove is used for avoiding the guide cross rod.

Further, a preset horizontal distance is reserved between the outer end of the guide plate and the regulating block.

Further, a groove is formed in the position, corresponding to the regulating block, of the top of the operating platform.

Further, in the initial state, the outer end of the sliding block is abutted against the vertical plate.

Further, when the regulating block moves downwards, the outer end of the sliding block abuts against the inner side wall of the regulating block, and the baffle just contacts the circuit board.

Further, the baffle is set to be U-shaped.

The utility model has the beneficial effects that: the three baffles and the L-shaped plate are used for enclosing a region for placing the circuit board, and when the device is not used, the region is larger than the size of the circuit board, so that a worker can place the circuit board. After the circuit board is placed, the three regulating blocks move downwards to simultaneously promote the corresponding sliding blocks to gather towards the circuit board, and when the three baffles are in contact with the circuit board, the circuit board is also just in contact with the L-shaped board, so that the limit of the circuit board is realized, and the operation is simple.

Drawings

FIG. 1 is a block diagram of a positioning device according to an embodiment;

FIG. 2 is a front view of a positioning device of an embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a block diagram of an embodiment of a baffle;

FIG. 5 is a schematic diagram of a control block structure according to an embodiment.

Detailed Description

As shown in fig. 1, the present embodiment provides a positioning device for welding, which includes a lifting mechanism 1, an operation table 2, three positioning mechanisms 3, and a regulating mechanism 4.

Specifically, a base 21 is arranged at the center of the operation table 2, a circuit board is placed on the base 21, an L-shaped plate 22 is arranged at the top of the operation table 2, and the L-shaped plate 22 is fixed through bolts. The three positioning mechanisms 3 are also arranged at the top of the operation table 2, and the three positioning mechanisms 3 and the L-shaped plates 22 are distributed at four positions of the operation table 2 and are used for fixing the circuit board.

The positioning mechanism 3 is realized as follows: as shown in fig. 2 and 3, the device comprises a guide plate 31, a sliding block 32, a baffle 33, a guide cross bar 34, a spring 35 and a vertical plate 36, wherein the vertical plate 36 and the guide plate 31 are fixedly arranged on the operation table 2, and the guide plate 31 is positioned between the vertical plate 36 and the base 21. The slider 32 is slidably disposed on top of the guide plate 31, the baffle 33 is disposed at an inner end of the slider 32, the inner end is an end of the slider 32 facing the base 21, as shown in fig. 4, the baffle 33 is in a U shape, on one hand, saving materials, and on the other hand, leaving more space for a worker to place a circuit board. The outer end of the sliding block 32 is set to be a first inclined plane, the first inclined plane is connected with the guide cross rod 34, the guide cross rod 34 penetrates through the vertical plate 36 and then is connected with the convex plate, the spring 35 is arranged on the periphery of the guide cross rod 34 and is located between the convex plate and the vertical plate 36, and the spring 35 is used for resetting the sliding block 32.

The top of the three risers 36 is covered with the supporting plate 11, the lifting mechanism 1 is arranged on the supporting plate 11, the lifting mechanism 1 can be a lifting rod driven by an air cylinder, an oil cylinder or hydraulic pressure, the bottom of the lifting mechanism 1 is connected with the regulating mechanism 4, the regulating mechanism 4 is used for controlling the electric soldering iron and the soldering tin wire to move in the horizontal plane, a regulating block 41 is arranged at the position, corresponding to the positioning mechanism 3, of the side wall of the regulating mechanism 4, the bottom of the regulating block 41 is provided with a second inclined plane matched with the first inclined plane, and the regulating block 41 is used for promoting the sliding block 32 to move towards the base 21. As shown in fig. 5, the bottom of the control block 41 is provided with a avoidance slot 411, and when the control block 41 moves downward, the avoidance slot 411 is used for avoiding the guide cross bar 34.

Fig. 3 shows an initial state, in which the outer end of the slider 32 abuts against the vertical plate 36, and the area enclosed by the three baffles 33 and the L-shaped plate 22 is larger than the size of the circuit board, so that a worker can place the circuit board on the top of the base 21. After the circuit board is placed, the regulating mechanism 4 and the regulating block 41 start to move downwards under the action of the lifting mechanism 1; the control block 41 moves downward, and because of the cooperation of the first inclined surface and the second inclined surface, the control block 41 moves downward to cause the sliding block 32 and the baffle 33 to move toward the circuit board, when the outer end of the sliding block 32 abuts against the inner side wall of the control block 41, the baffle 33 just contacts the circuit board, and note that when all three baffles 33 contact the circuit board, the circuit board also just contacts the L-shaped board 22. After the electric soldering iron and the soldering tin wire are controlled by the regulating mechanism 4 to finish soldering tin, the regulating mechanism 4 and the regulating block 41 start to move upwards and reset under the action of the lifting mechanism 1, the sliding block 32 resets under the action of the spring 35 after losing the limit of the regulating block 41, and a worker can take out the circuit board after the circuit board is cooled.

In this embodiment, the positioning mechanism 3 and the L-shaped plate 22 are used to limit the circuit board, and a point is described here: if the four positioning mechanisms 3 are used to limit the circuit board, the four risers 36 will fully enclose the four positions of the console 2, and lack the space for placing the circuit board, so the present embodiment provides the L-shaped board 22 at one of the positions of the console 2, which solves the above-mentioned problems.

In order to improve stability of the regulating mechanism 4 and the regulating block 41 in the lifting process, the top of the regulating block 41 is provided with a guide vertical rod 42, the middle section of the guide vertical rod 42 is fixedly connected with the regulating mechanism 4, the top of the guide vertical rod 42 penetrates through the supporting plate 11, and the guide vertical rod 42 is in sliding fit up and down in the penetrating hole.

When the regulating block 41 moves downwards and the outer end of the sliding block 32 abuts against the inner side wall of the regulating block 41, the baffle 33 has completed limiting the circuit board; next, in order to implement soldering of the electric soldering iron to different points of the circuit board, the electric soldering iron needs to jump at the different points of the circuit board, that is, the electric soldering iron needs to undergo the processes of lowering, horizontal moving and lifting, so the method for solving the problem in this embodiment is as follows: a certain horizontal distance is arranged between the outer end of the guide plate 31 and the regulating block 41, and even a groove can be arranged at the top of the operating platform 2 and at the position corresponding to the regulating block 41, so that the lifting range of the regulating block 41 is enlarged, and when the outer end of the sliding block 32 abuts against the inner side wall of the regulating block 41, the regulating block 41 can still move downwards to match with the soldering tin task of the electric soldering iron.

The above embodiments are merely for illustrating the technical ideas and features of the present utility model, and are not meant to be exclusive or limiting. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model.

Claims

1. The positioning device for welding is characterized by comprising a lifting mechanism (1), an operating platform (2), three positioning mechanisms (3) and a regulating mechanism (4);

a base (21) is arranged at the center of the operation table (2) and is used for placing a circuit board, and an L-shaped plate (22) is arranged at the top of the operation table (2);

the three positioning mechanisms (3) and the L-shaped plates (22) are distributed at four positions of the operation table (2) and used for fixing a circuit board, the positioning mechanisms (3) comprise guide plates (31), sliding blocks (32), baffle plates (33), guide cross rods (34), springs (35) and vertical plates (36), the vertical plates (36) and the guide plates (31) are fixedly arranged on the operation table (2), the sliding blocks (32) are slidably arranged at the tops of the guide plates (31), the baffle plates (33) are arranged at the inner ends of the sliding blocks (32), the outer ends of the sliding blocks (32) are arranged to be first inclined surfaces, the first inclined surfaces are connected with the guide cross rods (34), the guide cross rods (34) penetrate through the vertical plates (36) and then are connected with convex plates, and the springs (35) are arranged at the periphery of the guide cross rods (34) and are arranged between the convex plates and the vertical plates (36);

the top of three riser (36) is covered with backup pad (11), backup pad (11) are located in elevating system (1), regulation and control mechanism (4) are connected to elevating system (1) bottom, regulation and control mechanism (4) are used for controlling electric iron and soldering tin silk, the position that regulation and control mechanism (4) lateral wall corresponds with positioning mechanism (3) is equipped with regulation and control piece (41), regulation and control piece (41) bottom is established to the second inclined plane that matches with first inclined plane, regulation and control piece (41) are used for promoting slider (32) to remove towards base (21) direction.

2. The positioning device for welding according to claim 1, wherein a guide vertical rod (42) is arranged at the top of the adjusting and controlling block (41), the middle section of the guide vertical rod (42) is fixedly connected with the adjusting and controlling mechanism (4), and the top of the guide vertical rod (42) penetrates through the supporting plate (11).

3. The positioning device for welding according to claim 1, wherein the bottom of the regulating block (41) is provided with a avoiding groove (411), and the avoiding groove (411) is used for avoiding the guide cross bar (34) when the regulating block (41) moves downwards.

4. The positioning device for welding according to claim 1, wherein a predetermined horizontal distance is provided between the outer end of the guide plate (31) and the regulating block (41).

5. The positioning device for welding according to claim 4, wherein a groove is provided at a position corresponding to the regulating block (41) at the top of the operation table (2).

6. The positioning device for welding as claimed in claim 1, wherein in the initial state, the outer end of the slider (32) abuts against the riser (36).

7. The positioning device for soldering according to claim 1, wherein the shutter (33) is brought into contact with the circuit board exactly when the regulating block (41) moves downward and the outer end of the slider (32) abuts against the inner side wall of the regulating block (41).

8. The positioning device for welding according to claim 1, wherein the baffle plate (33) is provided in a U-shape.