CN219598346U - A PCB board pin repair welding device - Google Patents

Abstract

The utility model relates to the technical field of repair welding of pins of a PCB (printed circuit board), in particular to a repair welding device for pins of the PCB, which comprises a repair welding table, wherein four adsorption through holes are formed in the repair welding table, a rubber ring pad is adhered to the upper hole of each adsorption through hole, a supporting plate is welded to the lower end of one side of the repair welding table, a plug hole is formed in the supporting plate, a supporting frame is welded to the lower end of the other side of the repair welding table, which is opposite to the supporting plate, a movable hole is formed in the lower end of the supporting frame, two guide rods are symmetrically welded to the lower end surface of the repair welding table, and when the repair welding of the PCB is carried out, the guide rods are pressed at the upper end of each adsorption through hole to be in close contact with the rubber ring pad, then the plug rods are pushed to drive an inclined plane pushing block to move, and then the piston plate can be driven to move downwards under the action of the inclined plane pushing block, so that negative pressure can be formed in the adsorption through hole to tightly adsorb and fix the PCB.

Description

A PCB board pin repair welding device

technical field

The utility model relates to the technical field of PCB board pin repair welding, in particular to a PCB board pin repair welding device.

Background technique

During the production process of the PCB board, the pins of the PCB board need to be soldered, and the PCB board after welding needs to be inspected for the quality of the soldering of the pins. Usually, it is placed on the repair welding device for visual inspection. Once found If the soldering of the pins is not in place, the staff needs to manually repair the soldering to ensure that the PCB board can meet the required production requirements. The stability in the process, and the current fixing method is to fix the PCB board through the fixture. On the one hand, this method requires special fixture design for different sizes of PCB boards, and the cost is high. On the other hand, through the fixture When fixing the PCB board, the fixture is easy to cause damage to the PCB board, which affects the production quality of the PCB board.

Utility model content

The purpose of this utility model is to provide a kind of PCB board pin repair soldering device, to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A PCB board pin repair welding device, including a repair soldering station, four adsorption through holes are provided on the repair soldering station, rubber ring pads are pasted on the upper holes of the adsorption through holes, and the lower end of one side of the repair soldering station is A support plate is welded, and an insertion hole is opened on the support plate, and a support frame is welded at the lower end of the other side opposite to the support plate on the repair welding station, and a movable hole is opened at the lower end of the support frame, and the repair welding station Two guide rods are symmetrically welded on the lower end surface of the machine, and a convenient fixing mechanism for the PCB board is installed on the repair welding platform.

Preferably, the convenient fixing mechanism for the PCB includes a first spring, a cylindrical support rod, an inclined push block, a second spring, a movable rod and a third spring, and the first spring is sleeved on the guide rod.

Preferably, a rotating sleeve is sleeved on the cylindrical support rod, and long strips are welded symmetrically at both ends of the cylindrical support rod, and a guide hole is opened in the middle of the long strip, and a guide hole is inserted into the guide hole With guide rod.

Preferably, connecting rods are symmetrically welded at both ends of the strip plate, and a piston plate is fixedly arranged on the upper end of the connecting rod, and the piston plate is plugged into the adsorption through hole.

Preferably, an insertion rod is welded to one end of the push-down block on the inclined plane, the insertion rod is inserted into the insertion hole, and a second spring is sleeved on the insertion rod.

Preferably, the other end of the inclined push-down block is welded with a protruding plate, the protruding plate is plugged into the support frame, and a rectangular socket is opened on the protruding plate.

Preferably, the movable rod is inserted into the movable hole, and the upper end of the movable rod is welded with a rectangular block, the rectangular block is located on the lower side of the protruding plate, and the third spring is sleeved on the movable rod.

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

Through the practicality of this technical solution, when repairing the PCB board, press it on the upper end of the adsorption through hole to make close contact with the rubber ring pad, and then push the insertion rod to drive the push block on the slope to move, and then push it down on the slope Under the action of the block, the piston plate can be driven to move down, so that a negative pressure can be formed in the adsorption through hole, and the PCB board can be adsorbed and fixed tightly. It is very convenient, quick and easy to operate, and will not cause damage to the PCB board.

Description of drawings

Figure 1 is an overall schematic diagram of the assembly of the repair welding station.

Figure 2 is a schematic diagram of the assembly of the lower end of the repair welding station.

Fig. 3 is a structural schematic diagram of a cylindrical support rod.

In the figure: 1. Repair soldering station; 11. Adsorption through hole; 12. Support plate; 13. Insertion hole; 14. Support frame; 15. Guide rod; 16. First spring; 2. Rubber ring pad; 3. Cylindrical support rod; 31, rotating sleeve; 32, long strip plate; 33, guide hole; 34, connecting rod; 35, piston plate; , convex plate; 44, rectangular jack; 5, movable rod; 51, rectangular block; 6, the third spring.

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. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1 to Figure 3, the utility model provides a technical solution:

A PCB board pin repair welding device, comprising a repair soldering station 1, four adsorption through holes 11 are provided on the repair soldering station 1, rubber ring pads 2 are pasted on the upper holes of the adsorption through holes 11, and the repair soldering station 1 A support plate 12 is welded at the lower end of one side of the support plate 12, and an insertion hole 13 is provided on the support plate 12. A support frame 14 is welded at the lower end of the other side opposite to the support plate 12 on the repair welding station 1. The lower end of the support frame 14 is provided with a movable hole, two guide rods 15 are symmetrically welded on the lower end surface of the welding repair station 1, and a convenient fixing mechanism for a PCB board is installed on the repair welding station 1.

The convenient PCB board fixing mechanism includes a first spring 16 , a cylindrical support rod 3 , an inclined push block 4 , a second spring 42 , a movable rod 5 and a third spring 6 , and the first spring 16 is sleeved on the guide rod 15 .

The cylindrical support rod 3 is sleeved with a swivel 31, and the two ends of the cylindrical support rod 3 are symmetrically welded with a long strip 32, and the middle position of the long strip 32 is provided with a guide hole 33, and a guide hole 33 is inserted into the guide hole 33. The rod 15 and the first spring 16 are on the upper side of the strip 32 , and the two ends of the first spring 16 are respectively welded on the lower end surface of the repair welding station 1 and the upper end surface of the strip 32 .

The two ends of the strip plate 32 are symmetrically welded with connecting rods 34, the upper end of the connecting rods 34 is fixedly provided with a piston plate 35, and the piston plate 35 is plugged into the adsorption through hole 11. The diameter of the piston plate 35 is the same as the diameter of the adsorption through hole 11. equal, and when the PCB board is not fixed, the upper end surface of the piston plate 35 is flush with the upper end surface of the repair welding station 1 .

One end of the push-down block 4 on the inclined plane is welded with an insertion rod 41, and the insertion rod 41 is inserted in the insertion hole 13, and a second spring 42 is sleeved on the insertion rod 41, and the two ends of the second spring 42 are respectively welded Push down on the block 4 and on the support plate 12 on the inclined plane.

The other end of the inclined push-down block 4 is welded with a convex plate 43 , which is plugged into the support frame 14 , and the convex plate 43 is provided with a rectangular socket 44 , and the convex plate 43 is on the upper side of the cylindrical support rod 3 .

The movable rod 5 is plugged in the movable hole, and the upper end of the movable rod 5 is welded with a rectangular block 51, the rectangular block 51 is on the lower side of the convex plate 43, the third spring 6 is sleeved on the movable rod 5, and the third spring 6 is in the In the support frame 14, and the two ends of the third spring 6 are respectively welded on the support frame 14 and the lower end surface of the rectangular block 51, the upper end surface of the rectangular block 51 is not fixed to the inclined-plane push block 4, and the convex The lower end surfaces of the plates 43 are in contact, and the third spring 6 is in a compressed state at this time. When the rectangular block 51 plays a role in fixing the inclined-plane push-down block 4, the rectangular block 51 is inserted in the rectangular jack 44, and the rectangular jack The size of 44 is equal to the size of rectangular block 51.

When inspecting and repairing the PCB board, place it on the repair soldering station 1 so that it covers the upper opening of the adsorption through hole 11, and press it with a certain force. At this time, the rubber ring pad 2 Under the action of the PCB board and the upper orifice of the adsorption through hole 11, the tight contact is ensured, and then the insertion rod 41 is pushed to move the push block 4 on the inclined surface, so that the push block 4 on the inclined surface The cylindrical support rod 3 will be pushed downwards, and the setting of the rotating sleeve 31 is to reduce friction, and then drive the piston plate 35 to move downward, so that negative pressure can be formed in the suction through hole 11, and the PCB board is tightly pressed. Adsorption is fixed until the rectangular jack 44 moves to the upper side of the rectangular block 51, and then under the action of the third spring 6, the rectangular block 51 is moved up and inserted into the rectangular jack 44 to realize the fixing of the push-down block 4 on an inclined plane. Then the PCB board is firmly fixed, and repair welding can be carried out. When the PCB board is released, the movable lever 5 is pulled down, so that the rectangular block 51 exits the rectangular jack 44, and the slope can be pushed down under the action of the second spring 42. The reset of the block 4, and then realize the reset of the piston plate 35, so that the negative pressure disappears, the PCB board is released, the operation is simple and convenient, and it can be fixed to the PCB boards of different specifications within a certain range, and at the same time it will not cause damage to the PCB board, which is very practical.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A kind of PCB board pin repair soldering device, comprises repair welding station (1), it is characterized in that: offer four adsorption through holes (11) on described repair soldering station (1), adsorption through hole (11) A rubber ring pad (2) is pasted on the upper hole of the welding station (1), and a support plate (12) is welded at the lower end of one side of the repair welding station (1), and an insertion hole (13) is opened on the support plate (12). A support frame (14) is welded on the lower end of the other side opposite to the support plate (12) on the soldering station (1), and a movable hole is provided at the lower end of the support frame (14), and the lower end of the repair welding station (1) Two guide rods (15) are symmetrically welded on the end face, and a convenient fixing mechanism for a PCB board is installed on the repair soldering station (1). 2. A kind of PCB board pin repair soldering device according to claim 1, is characterized in that: described PCB board fastening mechanism comprises first spring (16), cylindrical support bar (3), inclined-plane pushing down block ( 4), the second spring (42), the movable rod (5) and the third spring (6), the first spring (16) is sleeved on the guide rod (15). 3. A kind of PCB board pin repair soldering device according to claim 2, is characterized in that: described cylindrical support rod (3) is sleeved with rotating sleeve (31), and two cylindrical support rods (3) Long strips (32) are welded symmetrically at the ends, and guide holes (33) are provided at the middle positions of the strips (32), and guide rods (15) are plugged into the guide holes (33). 4. A kind of PCB board pin repair welding device according to claim 3, is characterized in that: the two ends of described strip plate (32) are welded with connecting rod (34), and described connecting rod (34) A piston plate (35) is fixedly arranged on the upper end of the piston plate (35), and the piston plate (35) is plugged into the adsorption through hole (11). 5. A kind of PCB board pin repairing welding device according to claim 2, is characterized in that: one end of described inclined-plane pushing down block (4) is welded with plug-in rod (41), and described plug-in rod (41 ) is inserted into the insertion hole (13), and the insertion rod (41) is sleeved with a second spring (42). 6. A kind of PCB board pin repair soldering device according to claim 5, is characterized in that: the other end of described inclined-plane pushing down block (4) is welded with convex plate (43), and described convex plate (43) It is plugged into the support frame (14), and a rectangular socket (44) is opened on the convex plate (43). 7. A kind of PCB board pin repair welding device according to claim 2, is characterized in that: described movable bar (5) is plugged in movable hole, and the upper end of movable bar (5) is welded with rectangular block ( 51), the rectangular block (51) is located on the lower side of the convex plate (43), and the third spring (6) is sleeved on the movable rod (5).