Induction-based spot welding mechanism

Abstract

The utility model relates to inductance processing equipment technical field especially relates to a spot welding mechanism based on inductance is provided with welding mechanism and grinding mechanism, can realize the integrated operation of welding and welding head maintenance, welding mechanism includes welding head drive assembly and welding head, welding head drive assembly adopts the series connection structure of three -level linear drive unit, realizes the high accuracy control of welding head space position, guarantees the welding accuracy, grinding mechanism includes lifting drive assembly and grinding piece, lifting drive assembly drives the accurate lifting of grinding piece, and the welding process of welding head can be avoided to the grinding piece descending, and the grinding piece rises and is contacted with welding head automatically and completes surface treatment, effectively solved the problem of welding head oxidation and tin dregs accumulation, make the operation of spot welding mechanism have continuity, significantly reduced equipment maintenance cost and production downtime, especially suitable for high -frequency inductance's large -scale automation production.

Claims

1. An inductance-based spot welding mechanism for welding a copper wire to a magnetic core, characterized by, include: The welding mechanism includes a welding head drive assembly and a welding head that are connected by a drive; The welding head is used to spot weld the contact points between the copper wire and the magnetic core. A grinding mechanism, comprising a lifting drive assembly and a grinding component connected by a drive; the grinding component includes a grinding surface for contacting the welding head to grind the surface of the welding head.

2. The inductance-based spot welding mechanism of claim 1, wherein, The welding head driving assembly includes a first linear driving unit, a second linear driving unit, and a third linear driving unit connected in sequence; the welding head is connected to the output end of the third linear driving unit; the first linear driving unit and the third linear driving unit are used to drive the welding head to move along a first linear path, and the second linear driving unit is used to drive the welding head to move along a second linear path; the extension direction of the first linear path points to the magnetic core, and the first linear path and the second linear path are perpendicular to each other.

3. The inductance-based spot welding mechanism of claim 2, wherein, The first linear drive unit includes a rotary motor, a transmission screw, and a movable seat; the output end of the rotary motor is fixedly provided with a first transmission wheel, and one end of the transmission screw is fixedly provided with a second transmission wheel, with a transmission belt sleeved on the outer side of the first and second transmission wheels; the movable seat is provided with a nut, and the nut is threadedly connected to the transmission screw; the rotary motor drives the transmission screw to rotate, thereby causing the movable seat to move linearly along the transmission screw; the second linear drive unit is fixed on the movable seat.

4. The inductance-based spot welding mechanism of claim 3, wherein, The second linear drive unit includes a linear module fixed on the movable seat and a movable platform connected to the drive end of the linear module; the third linear drive unit is fixed on the movable platform.

5. The inductance-based spot welding mechanism of claim 4, wherein, The side of the movable platform is provided with a follower that moves synchronously with it, and a limiting member is fixedly provided on the movable seat. The limiting member is provided with a limiting groove. The follower is slidably connected in the limiting groove to limit the movement stroke of the movable platform.

6. The inductance-based spot welding mechanism of claim 4, wherein, The third linear drive unit includes a drive cylinder fixed to the movable platform and a slide connected to the output end of the drive cylinder; the welding head is fixed to the slide.

7. The inductance-based spot welding mechanism of claim 1, wherein, The welding head includes a chuck and a heating module connected to the chuck. The chuck includes a first clamping arm and a second clamping arm disposed opposite to each other.

8. The inductance-based spot welding mechanism of claim 1, wherein, The grinding component includes a protective shell and a grinding plate disposed inside the protective shell, with the grinding surface disposed on the grinding plate; the protective shell has a window on the side facing the welding mechanism; the welding head passes through the window and abuts against the grinding plate to achieve grinding of the surface of the welding head.

9. The inductance-based spot welding mechanism according to claim 1, characterized in that, The lifting drive assembly includes a lifting block and a lifting cylinder connected by a drive, and the grinding part is located on the top of the lifting block; the lifting cylinder drives the lifting block to move vertically up and down, thereby driving the grinding part to move vertically up and down.

10. The inductance-based spot welding mechanism according to claim 9, characterized in that, The lifting drive assembly further includes a vertically arranged connecting plate, and the lifting cylinder is fixed to the connecting plate; a first positioning block is provided on the side of the connecting plate, and a second positioning block is provided on the side of the lifting block; when the lifting block rises to a preset height, the first positioning block and the second positioning block interfere with each other to limit the rising height of the lifting block.

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