CN111225515A

CN111225515A - PCB circuit board spot welding device

Info

Publication number: CN111225515A
Application number: CN201811411609.2A
Authority: CN
Inventors: 谢建峰; 魏影; 谢仲平
Original assignee: Shaanxi Tianhui Electric Power Construction Engineering Co ltd
Current assignee: Shaanxi Tianhui Electric Power Construction Engineering Co ltd
Priority date: 2018-11-25
Filing date: 2018-11-25
Publication date: 2020-06-02

Abstract

The invention discloses a PCB spot welding device, which comprises a workbench, wherein supporting legs are fixed at the bottom of the workbench, a filter box, an air pump, a rotating shaft and a fixed frame are arranged at two sides of the top of the workbench, a transverse plate is fixed inside the fixed frame, a chute is arranged inside the transverse plate, a motor is arranged at the top of the transverse plate, the output end of the motor is connected with a screw rod, the screw rod is transversely arranged at the top of the transverse plate, the outer surface of the screw rod is meshed with a thread block, the device is also provided with the filter box, an active carbon filter plate and the air pump, when smoke is generated by a worker in the spot welding process, the worker can start the air pump, the air pump pumps the generated smoke into the filter box through a smoke suction pipe and a smoke inlet pipe, the active carbon filter plate in the filter box adsorbs harmful gas and dust contained in the smoke, and the filtered smoke is exhausted from an exhaust pipe, thereby solving the problem that the smoke influences the physical and psychological health of the working personnel.

Description

PCB circuit board spot welding device

Technical Field

The invention relates to the technical field of circuit board electric welding, in particular to a PCB circuit board spot welding device.

Background

The name of the PCB circuit board is as follows: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc.

The existing spot welding device for the PCB circuit board needs to move the circuit board ceaselessly in the spot welding process of the circuit board, but the circuit board needs to be fixed when in spot welding, the spot welding position is prevented from being deviated due to movement, so that the maintenance effect is influenced, an operator needs to detach the circuit board from the fixing device and fix the circuit board after the position is adjusted when in transposition, so that the time of the operator is delayed, meanwhile, the existing spot welding device is in the spot welding process, due to high-temperature melting, smoke is inevitably generated, even if a mask is worn, the effect is poor, a lot of smoke and dust are diffused indoors, and the smoke brings many injuries to the body and mind of the operator.

Disclosure of Invention

The invention aims to provide a spot welding device for a PCB (printed circuit board), which aims to solve the problems that the angle adjustment of a worker is inconvenient and the physical and psychological health of the worker is influenced in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a spot welding device for a PCB (printed circuit board), which comprises a workbench, wherein supporting legs are fixed at the bottom of the workbench, a filter box, an air pump, a rotating shaft and a fixed frame are arranged on two sides of the top of the workbench, a transverse plate is fixed inside the fixed frame, a chute is arranged inside the transverse plate, a motor is arranged on the top of the transverse plate, the output end of the motor is connected with a screw rod, the screw rod is transversely arranged on the top of the transverse plate, the outer surface of the screw rod is meshed with a threaded block, the outer surface of the screw rod is connected with a connecting rod through the threaded block, the bottom end of the connecting rod is connected with a spot welder, fixing rods are arranged on two sides of the bottom of the spot welder, sliding wheels are connected to the bottom of the spot welder, a movable rod is connected with a welding gun through a movable bolt, a rotating disc is, the top of rotary disk is fixed with the fixed block, the bottom mounting that has set screw is run through at the top of fixed block has the fixed plate, the end of bleeding of air pump runs through in one side of fixed frame and is connected with the smoking pipe, the end of giving vent to anger of air pump is connected with one side of rose box through advancing the tobacco pipe, the opposite side of rose box runs through there is the exhaust pipe, the inside of rose box is provided with a plurality of active carbon filters.

Preferably, the sliding wheel is located inside the sliding groove, and the sliding wheel is in sliding fit with the sliding groove.

Preferably, the fume pipe is made of stainless steel materials, and one end of the fume pipe close to the welding gun is in an expansion trend.

Preferably, the screw rod is transversely arranged on the top of the transverse plate, and the outer surface of the screw rod is meshed with the thread block.

Preferably, the number of the fixed blocks is two, and the two fixed blocks are fixed on the top of the rotating disc in a welding manner.

Preferably, the active carbon filter is provided with a plurality ofly, and is a plurality of the active carbon filter is dismantled the setting with the rose box.

Compared with the prior art, the invention has the beneficial effects that: the spot welding device for the PCB circuit board is provided with a motor, a screw rod, a movable rod and a rotary disk, wherein in the spot welding process, an operator can start the motor to rotate the screw rod, the screw rod rotates to enable a connecting rod to move left and right, the connecting rod moves to enable a sliding wheel to move inside a sliding groove, so that the left and right angles of a welding gun can be adjusted, the operator can vertically pull the movable rod after the angle of the welding gun is adjusted by the operator, so that the welding gun can vertically move, the operator can also rotate the rotary disk to enable the circuit board to adjust each angle, the circuit board can be subjected to spot welding at multiple angles without being detached from a fixing device, the time of the operator is saved, the problem that the operator is inconvenient to adjust the angle is solved, meanwhile, the spot welding device is also provided with a filter box, an active carbon filter plate and, the staff can start the air pump, and the air pump passes through the smoking pipe and advances in the smoke pumping rose box of tobacco pipe with the smog that produces, and the active carbon filter in the rose box adsorbs harmful gas and dust that contain in the smog, is discharged from the exhaust pipe by filterable smog again to the smog of mentioning influences the problem of staff's physical and mental health.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of a fixing screw according to the present invention;

fig. 3 is a partially enlarged structural diagram of the present invention a.

In the figure: 1. a work table; 2. a fixed frame; 3. a transverse plate; 4. a motor; 5. a screw; 6. a connecting rod; 7. fixing the rod; 8. a sliding wheel; 9. a chute; 10. a spot welder; 11. a movable rod; 12. a movable bolt; 13. a welding gun; 14. rotating the disc; 15. a rotating shaft; 16. a smoking pipe; 17. an air pump; 18. a smoke inlet pipe; 19. a filter box; 20. an activated carbon filter plate; 21. an exhaust duct; 22. supporting legs; 23. a fixed block; 24. fixing the screw rod; 25. a fixing plate; 26. a thread block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a spot welding device for a PCB (printed Circuit Board) comprises a workbench 1, a fixed frame 2, a transverse plate 3, a motor 4, a screw rod 5, a connecting rod 6, a fixed rod 7, a sliding wheel 8, a sliding chute 9, a spot welder 10, a movable rod 11, a movable bolt 12, a welding gun 13, a rotary disk 14, a rotary shaft 15, a smoke absorbing pipe 16, an air pump 17, a smoke inlet pipe 18, a filter box 19, an active carbon filter plate 20, an exhaust pipe 21, supporting legs 22, a fixed block 23, a fixed screw rod 24, a fixed plate 25 and a thread block 26, wherein the bottom of the workbench 1 is fixedly provided with the supporting legs 22, the two sides of the top of the workbench 1 are provided with the filter box 19, the air pump 17, the rotary shaft 15 and the fixed frame 2, the transverse plate 3 is fixedly arranged inside the fixed frame 2, the sliding chute 9 is arranged inside the transverse plate 3, the top of the transverse plate 3 is provided with the motor 4, the output, and the outer surface of the screw rod 5 is engaged with the thread block 26, so that the thread block 26 is conveniently matched with the screw rod 5, the position can be adjusted more conveniently, the outer surface of the screw rod 5 is connected with the connecting rod 6 through the thread block 26, the bottom end of the connecting rod 6 is connected with the spot welder 10, the two sides of the bottom of the spot welder 10 are provided with the fixing rods 7, the bottom end of the fixing rod 7 is connected with the sliding wheel 8, the sliding wheel 8 is positioned in the sliding groove 9, and the sliding wheel 8 is in sliding fit with the sliding groove 9, so that the welding gun 13 can be conveniently moved left and right, the angle can be conveniently adjusted, the bottom of the spot welder 10 is connected with the movable rod 11 through the movable bolt 12, one end of the movable rod is fixed with the welding gun 13, the top end of the rotating shaft 15 is fixed with the rotating disc 14, the two fixing blocks are fixed on the top of the rotating disc 14 in a welding mode, the fixing blocks 23 can be more stable in a welding mode, the bottom end of the fixing block 23, through which the fixing screw 24 penetrates, is fixed with a fixing plate 25, the air suction end of the air pump 17 penetrates one side of the fixing frame 2 and is connected with a smoke suction pipe 16, the smoke suction pipe 16 is made of stainless steel materials, one end of the smoke suction pipe 16, which is close to the welding gun 13, is in an expansion trend, so that the contact area of the smoke suction pipe 16 and smoke can be increased, the smoking speed is higher, the air outlet end of the air pump 17 is connected with one side of the filter box 19 through the smoke inlet pipe 18, the other side of the filter box 19 is penetrated with an exhaust pipe 21, a plurality of activated carbon filter plates 20 are arranged in the filter box 19, the plurality of activated carbon filter plates 20 are arranged, and the plurality of activated carbon filter plates 20 are detached from the filter box 19, the disassembly and arrangement facilitate the replacement of the activated carbon filter plate 20.

The working principle is as follows: firstly, an operator places the device on a horizontal ground to check whether the device shakes or not, then the power supply is switched on, a circuit board is fixed on a rotating disc 14, the operator starts a motor 4, the motor 4 rotates to enable a screw rod 5 to rotate, the screw rod 5 rotates to enable a connecting rod 6 to move left and right, the connecting rod 6 moves to enable a sliding wheel 8 to move inside a sliding groove, so that the left and right angles of a welding gun 13 can be adjusted, after the angle is adjusted by a worker, the operator can pull up and down a movable rod 11, so that the welding gun 13 can move up and down, the worker can also rotate the rotating disc 14 to enable the circuit board to adjust each angle, so that the circuit board can be subjected to spot welding at multiple angles without being detached from the fixing device, when smoke is generated in the spot welding process, the worker can start an air pump 17, the air pump 17 pumps the generated smoke into a filter, the activated carbon filter plate 20 in the filter box 19 adsorbs harmful gas and dust contained in the smoke, and the filtered smoke is discharged from the exhaust duct.

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 PCB circuit board spot welding device, includes workstation (1), its characterized in that: the bottom of the workbench (1) is fixed with supporting legs (22), the top two sides of the workbench (1) are provided with a filter box (19), an air pump (17), a rotating shaft (15) and a fixed frame (2), the inside of the fixed frame (2) is fixed with a transverse plate (3), the inside of the transverse plate (3) is provided with a sliding chute (9), the top of the transverse plate (3) is provided with a motor (4), the output end of the motor (4) is connected with a screw rod (5), the outer surface of the screw rod (5) is connected with a connecting rod (6) through a threaded block (26), the bottom end of the connecting rod (6) is connected with a spot welder (10), the bottom two sides of the spot welder (10) are provided with fixing rods (7), the bottom end of the fixing rods (7) is connected with a sliding wheel (8), the bottom of the spot welder (10) is connected with a movable rod, the one end of movable rod is fixed with welder (13), the top of pivot (15) is fixed with rotary table (14), the top of rotary table (14) is fixed with fixed block (23), the bottom mounting that the top of fixed block (23) was run through fixing screw (24) has fixed plate (25), the end of bleeding of air pump (17) runs through in one side of fixed frame (2) and is connected with smoking pipe (16), the end of giving vent to anger of air pump (17) is connected with one side of rose box (19) through advancing tobacco pipe (18), the opposite side of rose box (19) is run through exhaust pipe (21), the inside of rose box (19) is provided with a plurality of active carbon filter (20).

2. A PCB circuit board spot welding device according to claim 1, characterized in that: the sliding wheel (8) is positioned inside the sliding groove (9), and the sliding wheel (8) is in sliding fit with the sliding groove (9).

3. A PCB circuit board spot welding device according to claim 1, characterized in that: the fume suction pipe (16) is made of stainless steel materials, and one end, close to the welding gun (13), of the fume suction pipe (16) tends to expand.

4. A PCB circuit board spot welding device according to claim 1, characterized in that: the screw rod (5) is transversely arranged on the top of the transverse plate (3), and the outer surface of the screw rod (5) is meshed with the thread block (26).

5. A PCB circuit board spot welding device according to claim 1, characterized in that: the two fixing blocks (23) are fixed on the top of the rotating disc (14) in a welding mode.

6. A PCB circuit board spot welding device according to claim 1, characterized in that: the activated carbon filter plate (20) is provided with a plurality of, and is a plurality of the activated carbon filter plate (20) is dismantled with rose box (19) and is set up.