Welding and gluing of automotive body parts

Nowadays, automotive products are developing in the direction of safety and energy saving, green environmental protection and pollution-free. In the process of automobile production, body glue is crucial and widely used. Body welding glue can not only play the role of sealing, shock absorption, rust prevention, sound and heat insulation, noise reduction. It can also replace spot welding, arc welding and other traditional processes to achieve the connection of sheet metal parts, thereby optimising the production process, therefore, the reasonable choice of welding glue is crucial.
Spot welding adhesive is mainly concentrated on the floor, especially around the engine compartment, front and rear wheel cover around the sealing requirements of the most important. Typical gluing locations are the front floor and the front cabin, the rear floor overlap; the connection between the side enclosure and the floor; the connection between the rear inner wheel cover and the side enclosure, and the connection with the floor, and so on.

Customer Pain Points

This project was originally carried out by two manual workers . One man was responsible for loading, clamping and unloading materials, while the other man was holding the gluing gun for gluing the relevant parts. Due to the irregularity of the parts and products, the position accuracy of manual gluing was not high, the consistency was poor, and the efficiency was low. On the other hand, due to the handheld gluing equipment, the environment of the site was dirty and messy, which made the workshop management and workers suffer a lot.

Solution

DUCO collaborative robot with 7th axis is used for two-station cross work, with automatic glue supply system and safety laser scanner. The project uses a DUCO collaborative robot GCR20, equipped with an automatic glue gun and tooling at the end, and an automatic glue supply system to supply glue. The parts are loaded and unloaded and clamped manually, and the robot applies glue according to the planned path after the start button is pressed. At this time, the manpower in another station for loading and unloading and clamping of new parts, after the completion of the press start button, the robot to carry out the double-station cross work glue. The station is equipped with a complete safety guarding design, which uses safety mats and a laser scanner. The safety laser scanner provides a simple and effective way to monitor the area around the equipment. Access protection is achieved through access control, among other things, so that the safety of the operator is ensured during normal operation and the equipment can be easily accessed when needed, thus perfecting the protection mechanism for personnel and improving the safety level of personnel operation.

benefits

The introduction of the gluing machine system has a reliable system, simple management, low maintenance; the system is well sealed, the pressure of the glue pump can ensure the normal flow of the glue supply; can meet the width of the glue line can be adjusted within the range of 1mm-8mm; to ensure that the gluing system facilities for long-term stability of the operation of the consistency of the product, the quality control has been to ensure that the same time better solve the problem of leakage of the glue to avoid the environment caused by the secondary pollution.The customer calculated that the single shift for the customer to save 1 operator, eficiency increased by 15%, return on investment cycIe of only 15 months.