A plastic pipe welding device

A welding device, a technology for plastic pipes, applied in the field of plastic pipes, can solve the problems of harsh operation requirements and the like
CN109435254BActive Publication Date: 2020-10-27广州枫叶管业有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
广州枫叶管业有限公司
Publication Date
2020-10-27

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Abstract

The invention discloses a plastic pipe welding device, which includes a welding table and a hot-melt device. The hot-melt device includes an external fixed guide ring, a telescopic device, a built-in fixed guide ring, an external heating rod, and a built-in heating rod. The built-in fixed guide ring and The telescopic end of the telescopic device is connected, and the stretching movement of the telescopic end of the telescopic device can drive the built-in fixed guide ring to move from the end of the inner cavity of one of the plastic pipes to be welded to the inner cavity at the interface. The built-in heating rod is slidingly matched with the built-in fixed guide ring, and the end of the built-in heating rod can be in contact with the inner seam at the interface. The external heating rod is slidingly matched with the external fixed guide ring, and the end of the external heating rod can be in contact with the outer seam at the interface. The invention has the advantages of being able to realize the synchronous movement type circular spot welding of the inner and outer sides of the interfaces of two plastic pipes to be welded, ensuring the welding strength and reducing the continuous contact area between the softened plastic pipes and the heating element.
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Description

technical field

[0001] The invention relates to the technical field of plastic pipes, in particular to a plastic pipe welding device. Background technique

[0002] Plastic welding refers to the connection method that uses heating to melt the contact surfaces of two plastic parts at the same time, so that they are combined into a whole.

[0003] Plastic welding techniques in the prior art include hot plate welding, hot air welding, hot rod and pulse welding, etc.

[0004] Hot plate welding is to melt and soften the two planes to be welded by a plane electric heating plate, and then quickly remove the electric heating plate to combine the two planes and apply force to cool. Hot air welding means that when the hot air flow is directly blown to the joint area, the filler wire of the same material as the base metal in the joint area is melted. Two techniques, hot rod and pulse welding, are mainly used for joining thin plastic films.

[0005] Chinese patent application CN105150...

Claims

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