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Welding nut automatic welding device

A technology for welding nuts and automatic welding, applied in auxiliary devices, welding equipment, welding equipment, etc., can solve the problems of poor work efficiency, high labor intensity, long time required, etc., improve dimensional accuracy and stability, and ensure welding The effect of quality and efficiency improvement

Active Publication Date: 2018-12-25
LEMTECH PRECISION MATERIAL (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the welding of welding nuts mostly adopts the traditional method, that is, manually placing the workpiece and the welding nut. The worker first places the workpiece on the welding seat of the resistance welding, and at the same time ensures that the hole of the workpiece is located on the lower electrode on the welding seat, and then places the welding Nut, insert the circular boss of the weldment nut into the hole of the workpiece, start the resistance welding welding, because it is necessary to align the workpiece with the lower electrode, and then align the welding nut with the workpiece, it takes a long time , poor work efficiency, high labor intensity

Method used

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  • Welding nut automatic welding device
  • Welding nut automatic welding device
  • Welding nut automatic welding device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The fast positioning of the workpiece 81 is realized by the workpiece positioning device, the nut vibration conveying device 11 and the nut conveying rod 12 realize the automatic conveying of the welding nut 82, and the nut positioning device realizes the rapid positioning of the welding nut 82, which greatly improves the efficiency.

[0043] like Figure 1 to Figure 5 As shown, the welding nut automatic welding device includes a nut vibration conveying device 11 and a nut conveying rod 12, and the nut vibrating conveying device 11 is connected with the nut conveying rod 12 through a hose 13; it also includes a workpiece positioning device and a nut positioning device; the workpiece positioning device and the nut positioning device are all installed on the welding seat 24; the workpiece positioning device is used to place the workpiece 81; the lower electrode 42 is installed on the nut positioning device, and the lower electrode 42 is located at the bottom of the workpie...

Embodiment 2

[0051] On the basis of the first embodiment above, as Figure 3 to Figure 5 Shown, also comprise base plate 33, elevating rod 352, return spring 351, adjusting screw 362 and adjusting post 361; Base plate 33 is installed on the welding seat 24; The lifting hole, the lifting hole is slidably inserted on the lifting rod 352; the adjusting column 361 is fixed on the base plate 33, and the adjusting column 361 is provided with a threaded hole; Connection; the return spring 351 is located between the positioning plate 31 and the bottom plate 33 , and is sleeved on the lifting rod 352 .

[0052] The positioning plate 31 can be lifted up and down, and the return spring 351 keeps the positioning plate 31 at a high place. The adjustment screw 362 adjusts the height of the positioning plate 31 .

[0053] Since the top surface of the lower electrode 42 is worn after being used for a period of time, scratches, pits, etc. will affect the welding, and it needs to be ground and leveled bef...

Embodiment 3

[0056] On the basis of the above-mentioned embodiment one or two, as Figure 3 to Figure 5 As shown, the nut positioning device also includes a sliding seat 41 and a lifting cylinder 51; the sliding seat 41 is fixed on the welding seat 24, the lower electrode 42 is fixed on the top of the sliding seat 41, and the center of the sliding seat 41 is provided with a sliding hole 411, and the sliding hole 411 is arranged on the same axis as the pin hole; the nut positioning pin 55 is slidably inserted in the sliding hole 411, the nut positioning pin 55 is connected with the piston rod of the lifting cylinder 51, and the lifting cylinder 51 is fixed on the welding seat 24, and the piston rod of the lifting cylinder 51 Connect with the nut positioning pin 55.

[0057] The lower electrode 42 is fixed on the electrode seat 43 , and the electrode seat 43 is installed on the sliding seat 41 . The electrode holder 43 facilitates the disassembly and assembly of the lower electrode 42 .

...

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Abstract

The invention relates to a welding device, in particular to a welding nut automatic welding device which comprises a nut vibration conveying device and a nut conveying rod and further comprises a workpiece positioning device and a nut positioning device. The nut vibration conveying device is connected with the nut conveying rod through a hose. The workpiece positioning device and the nut positioning device are both installed on a welding base. The workpiece positioning device is used for placing a workpiece. The nut positioning device is provided with a lower electrode which is located at thebottom of the workpiece. The nut positioning device is used for limiting the position of a welding nut. An upper electrode is arranged over the lower electrode and installed on an electric resistancewelding lifting table. The nut conveying rod is fixed to one side of a machine frame. One end of the nut conveying rod is located above the nut positioning device when extending out. By means of the welding device, the clamping time of the workpiece and the welding nut is shortened, work efficiency is improved, labor cost and labor intensity are reduced, omitted welding and excessive welding of the nut can be eradicated, and the welding quality is good.

Description

technical field [0001] The invention relates to a welding device, in particular to an automatic welding device for welding nuts. Background technique [0002] Weld nuts solve the problem that ordinary nuts cannot fix the parent body, and weld nuts have good strength and are convenient to install bolts, and their usage is increasing. Welding nuts are generally welded by resistance welding. Welding nuts include round welding nuts, square welding nuts, hexagonal welding nuts, etc. One side of the welding nut has multiple welding feet and circular bosses. The circular bosses are used for positioning. Solder legs are used for soldering. [0003] At present, the welding of welding nuts mostly adopts the traditional method, that is, manually placing the workpiece and the welding nut. The worker first places the workpiece on the welding seat of the resistance welding, and at the same time ensures that the hole of the workpiece is located on the lower electrode on the welding seat, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K11/14B23K11/31B23K37/047
CPCB23K11/14B23K11/311B23K37/047Y02P70/10
Inventor 蒲小柱李配宇张亮康世杰田伟张修明
Owner LEMTECH PRECISION MATERIAL (CHINA) CO LTD
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