Ultrasonic plastic welding machine for machining automobile parts

By introducing a preheating component into the ultrasonic plastic welding machine, the problem of extended welding time for thicker workpieces has been solved, achieving efficient welding and improved quality.

CN224510450UActive Publication Date: 2026-07-17CHANGZHOU XINTONG SHENLONG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202521782897.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-21
Publication Date
2026-07-17
Estimated Expiration
2035-08-21

AI Technical Summary

Technical Problem

In existing technologies, when welding thick workpieces, the ultrasonic energy is subject to more obstacles and attenuation during transmission and action, resulting in longer welding times and making it difficult to meet the needs of large-scale, high-efficiency production.

Method used

An ultrasonic plastic welding machine for processing automotive parts has been designed, comprising an operating table, a plastic welding assembly, a placement table, and a preheating assembly. Hot air is supplied by an air pump for preheating, reducing the energy required for welding and shortening the vibration time.

Benefits of technology

The use of preheating components reduces welding energy requirements, shortens welding time, and improves production efficiency and welding quality.

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Abstract

The utility model discloses an ultrasonic plastic welding machine for automobile part machining, and belongs to the technical field of ultrasonic plastic welding. The plastic welding assembly is arranged at the top of the operation table, the plastic welding assembly is provided with an ultrasonic welding machine and a welding head installed at the bottom of the ultrasonic welding machine, and the welding head is suitable for being in contact with a workpiece; the interior of the placing table is hollow, an air pump is arranged at the bottom of the placing table, a connecting pipe is arranged at the top of the air pump, the connecting pipe is connected with the interior of the placing table, the placing assembly is arranged on one side of the plastic welding assembly, the placing assembly comprises a machining table, the machining table comprises a connecting frame located at the bottom, and a second air cylinder is arranged in the connecting frame; a top block is installed at the output end of the second air cylinder, and a notch matched with the top block in size is formed in the top of the connecting frame. According to the ultrasonic plastic welding machine for automobile part machining, by arranging the preheating assembly, when a workpiece with the large thickness needs to be subjected to ultrasonic welding, preheating can be conducted in advance, and the vibration time is shortened.
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