CN218745869U - Special welding jig of intelligence wrist-watch PCBA board - Google Patents

Abstract

The utility model discloses a special welding fixture for the PCBA board of a smart watch, which comprises a fixture. Positioning rods are fixed on the four end legs of the upper end surface of the fixture, and a pressing plate is arranged above the fixture. The end legs are all provided with positioning slots, the four positioning rods are all snapped into the four positioning slots, the inside of the clamp is provided with slots, and both sides of the slots are provided with fixed arc blocks , a movable shaft is provided between the two fixed arc-shaped blocks and the fixture, the fixed arc-shaped block and the fixture are movably connected through a movable shaft, and a movable shaft is arranged between the fixed arc-shaped block and the inner wall of the fixture There is a spring A, both sides of the inside of the slot are provided with a fixed plate, one side of the fixed plate is fixed with an elastic rod, the outside of the elastic rod is provided with a spring B, and the top of the pressure plate is provided with Fixed block. The utility model strengthens the clamping stability and improves the work efficiency through a novel clamp.

Description

A special welding fixture for smart watch PCBA board

technical field

The utility model relates to the technical field of special welding fixtures for watch PCBA boards, in particular to a special welding fixture for smart watch PCBA boards.

Background technique

With the rapid development of social economy, PCBA refers to the assembly of PCB boards by SMT, DIP plug-in and testing to make a finished product. We can understand it as a finished circuit board.

Just need to use a kind of fixture when it is welded, it is fixed on welding, guarantees the accuracy and stability of welding.

However, the existing fixture cannot clamp the PCBA board very well, which reduces the work efficiency; therefore, it does not meet the existing needs, and we propose a special welding fixture for the smart watch PCBA board.

Utility model content

The purpose of this utility model is to provide a special welding jig for smart watch PCBA boards, to solve the problems that the existing jigs proposed in the above-mentioned background technology cannot clamp the PCBA boards well and reduce work efficiency.

In order to achieve the above purpose, the utility model provides the following technical solutions: a special welding fixture for smart watch PCBA boards, including a fixture, the four end legs of the upper end surface of the fixture are fixed with positioning rods, and the top of the fixture is provided with Pressing plate, the four end pins of the pressing plate are all provided with positioning grooves, the four positioning rods are all snapped into the four positioning grooves, the inside of the clamp is provided with slots, and the two inside the slots Both sides are provided with fixed arc-shaped blocks, a movable shaft is arranged between the two fixed arc-shaped blocks and the clamp, the fixed arc-shaped block and the clamp are movably connected through a movable shaft, and the fixed arc-shaped block A spring A is provided between the inner wall of the fixture, a fixed plate is provided on both sides of the inside of the slot, an elastic rod is fixed on one side of the fixed plate, and a spring B is sleeved on the outside of the elastic rod , a fixed pressing block is arranged above the pressing plate, and an arc-shaped inserting rod is arranged under the fixed pressing block, and the arc-shaped inserting rod is inserted into the slot, and both sides inside the arc-shaped inserting rod are An arc-shaped slot is provided, and the fixed arc-shaped block is snapped into the arc-shaped slot.

Preferably, a placement groove is provided inside the clamp, and the PCBA board is snapped into the placement groove for fixing the PCBA board.

Preferably, both sides of the pressing plate are provided with concave grooves, and the fixed pressing block is snapped into the concave grooves to play a role of positioning and fixing.

Preferably, the fixing plate is made of rubber to strengthen the fixing of the arc-shaped insertion rod.

Preferably, the four end legs of the clamp are provided with anti-collision pads to play a role in anti-collision.

Preferably, the four end surfaces of the pressure plate are all provided with extension blocks to strengthen the clamping and fixing of the PCBA board.

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

1. In the utility model, the PCBA board is placed in the fixture, and the pressure plate is pressed on the top of the PCBA board, and the positioning grooves opened by the four end legs of the pressure plate are aligned with the positioning rods of the four end legs on the upper end surface of the fixture. Just press the PCBA board, and then align the fixed pressing block with the arc-shaped insertion rod with the slot inside the pressing plate and insert it. After insertion, the fixed arc-shaped blocks on both sides inside the slot will be in place. The arc-shaped plunger is pressed to both sides, and at the same time the fixed arc-shaped block moves to both sides under the drive of the movable shaft, and the fixed arc-shaped block and the spring A inside the fixture perform compression movement at the same time, then when the arc After the plunger is fully inserted into the slot, just when the fixed arc block reaches the inner arc grooves on both sides of the arc plunger, the compressed spring A pops up at the same time, and the fixed arc block is snapped into the arc groove. It is fixed.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the structural representation of the utility model pressing plate;

Fig. 3 is a partial structural schematic diagram of the plug-in structure of the utility model;

Fig. 4 is a schematic diagram of a partially enlarged structure of the insertion structure A of the present invention.

In the figure: 1, PCBA board; 2, fixture; 3, positioning groove; 4, positioning rod; 5, pressure plate; 6, fixed pressing block; 7, movable shaft; 11. Spring A; 12. Spring B; 13. Fixed plate; 14. Arc groove; 15. Elastic rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Please refer to Fig. 1 to Fig. 4, an embodiment provided by the utility model: a special welding fixture for smart watch PCBA board, including a fixture 2, and the four end legs on the upper end surface of the fixture 2 are fixed with positioning rods 4, and the fixture 2 is provided with a pressure plate 5, and the four end legs of the pressure plate 5 are provided with positioning grooves 3, and the four positioning rods 4 are all snapped into the four positioning grooves 3, and the inside of the fixture 2 is provided with a slot 9, and the slot 9 There are fixed arc-shaped blocks 10 on both sides of the interior, and a movable shaft 7 is arranged between the two fixed arc-shaped blocks 10 and the fixture 2. A spring A11 is provided between 10 and the inner wall of the fixture 2, and both sides of the slot 9 are provided with a fixed plate 13, and one side of the fixed plate 13 is fixed with an elastic rod 15, and the outer part of the elastic rod 15 is provided with a spring B12. The top of the pressing plate 5 is provided with a fixed pressing block 6, and the lower part of the fixed pressing block 6 is provided with an arc-shaped insertion rod 8, which is inserted into the slot 9, and both sides of the arc-shaped insertion rod 8 are provided with arc-shaped Slot 14, the fixed arc-shaped block 10 is snapped into the arc-shaped slot 14, by placing the PCBA board 1 in the fixture 2, and pressing the pressure plate 5 above the PCBA board 1, the four end legs of the pressure plate 5 are opened. The positioning groove 3 is aligned with the positioning rods 4 of the four end legs on the upper end surface of the fixture 2 and snapped in, so that the PCBA board 1 is just pressed down.

Further, the inside of the fixture 2 is provided with a placement groove, and the PCBA board 1 is snapped into the placement groove for fixing the PCBA board 1 .

Further, both sides of the pressing plate 5 are provided with concave grooves, and the fixed pressing block 6 is inserted into the concave grooves to play a role of positioning and fixing.

Further, the fixing plate 13 is made of rubber material, which strengthens the fixing of the arc-shaped insertion rod 8 .

Further, the four end legs of the fixture 2 are provided with anti-collision pads to play a role in anti-collision.

Further, the four end surfaces of the pressing plate 5 are provided with extension blocks to strengthen the clamping and fixing of the PCBA board 1 .

Working principle: when in use, align the fixed pressing block 6 with the arc-shaped insertion rod 8 with the slot 9 inside the pressing plate 5 and insert it, and after the insertion, the fixed arc-shaped blocks 10 on both sides inside the slot 9 will Under the pressure of the arc-shaped insertion rod 8, it is pressed to both sides, and the fixed arc-shaped block 10 moves to both sides under the drive of the movable shaft 7, and the fixed arc-shaped block 10 and the spring A11 inside the clamp 2 are moved simultaneously. Compression movement, then when the arc-shaped plunger 8 is fully inserted into the slot 9, the fixed arc-shaped block 10 reaches the arc-shaped grooves 14 inside the two sides of the arc-shaped plunger 8, and the compressed spring A11 pops up at the same time, and the fixed arc The shape block 10 snaps into the inside of the arc groove 14 and it can be fixed.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A special welding fixture for the PCBA board of a smart watch, comprising a fixture (2), characterized in that: four end pins on the upper end surface of the fixture (2) are fixedly provided with positioning rods (4), and the fixture (2) ) is provided with a pressing plate (5), the four end legs of the pressing plate (5) are provided with positioning grooves (3), and the four positioning rods (4) are all snapped into the four positioning grooves (3) ), the inside of the clamp (2) is provided with a slot (9), and both sides of the slot (9) are provided with fixed arc blocks (10), and two of the fixed arc blocks ( 10) A movable shaft (7) is arranged between the clamp (2), and the fixed arc block (10) is movably connected with the clamp (2) through the movable shaft (7), and the fixed arc block (10) and the inner wall of the clamp (2) are provided with a spring A (11), and both sides of the slot (9) are provided with a fixed plate (13), one of the fixed plate (13) An elastic rod (15) is fixed on the side, and a spring B (12) is sheathed outside the elastic rod (15), and a fixed pressing block (6) is arranged above the pressing plate (5), and the fixed pressing block The bottom of (6) is provided with arc-shaped inserting rod (8), and described arc-shaped inserting rod (8) is inserted in the described slot (9), and both sides of described arc-shaped inserting rod (8) are provided with An arc-shaped groove (14), the fixed arc-shaped block (10) snaps into the arc-shaped groove (14). 2. A special welding fixture for smart watch PCBA board according to claim 1, characterized in that: the inside of the fixture (2) is provided with a placement groove, and the PCBA board (1) is snapped into the placement groove . 3. A special welding fixture for smart watch PCBA boards according to claim 1, characterized in that: both sides of the pressure plate (5) are provided with concave grooves, and the fixed pressure block (6) is snapped into the inside the concave groove. 4. A special welding fixture for smart watch PCBA boards according to claim 1, characterized in that: the fixing plate (13) is made of rubber. 5. A special welding fixture for smart watch PCBA board according to claim 1, characterized in that: the four end legs of the fixture (2) are all provided with anti-collision pads. 6. A special welding fixture for smart watch PCBA board according to claim 1, characterized in that: the four end faces of the pressure plate (5) are all provided with extension blocks.

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