Oil inlet nozzle welding equipment for hydraulic oil cylinder production

The utility model relates to the technical field of hydraulic oil cylinder manufacturing, and belongs to oil inlet nozzle welding equipment for hydraulic oil cylinder production, which comprises a base, a workbench is arranged above the base in an up-down sliding manner, and a rotatable hydraulic oil cylinder is placed on the workbench; a supporting frame is fixedly arranged on the base, a first sleeve is fixedly arranged at the bottom end of the supporting frame, and an expandable and contractible clamp is arranged at the lower end of the first sleeve and sleeved with an oil inlet nozzle. A first moving column is arranged in the first sleeve in an up-down moving mode, the lower end of the first moving column is connected with a contact, and the contact is matched with an oil inlet connector of the hydraulic oil cylinder. The first air cylinder is started to enable the hydraulic oil cylinder to move upwards, the hydraulic oil cylinder pushes the contact to move upwards, and the contact enables the reflector t