A welding electrode changing station, which enables the welding electrodes located at a robot end to be changed, trimmed and controlled, essentially comprising - at least one base plate which is mounted on the ground, - at least one profile which is mounted on the base plate, - at least one electrode removal system which is connected to a plate mounted on the profile and enables the electrode at a robot end to be removed, - at least the electrode changing system which enables to attach electrode to the robot end, - at least one control unit, and characterized in that ▪ at least one charger (5.1) and at least one spring connection system (5.2) are located in the electrode changing system, ▪ the charger (5.1) enables a plurality of electrodes to be carried, ▪ at least two support pieces (5.2.1), at least one shaft (5.2.2), at least one connection piece (5.2.3) and at least one spring (5.2.4) which are located in the said spring connection system (5.2), • the spring connection system (5.2) enables to absorb the pressure applied towards the charger (5.1) with the spring (5.2.4) while the electrode is being taken by the electrode removal system, and • the support pieces (5.2.1) are fixed to a plate connecting the electrode changing system to the profile, • the shaft (5.2.2) is placed between the support pieces (5.2.1), • at least one connection piece (5.2.3) which enables the charger (5.1) and the shaft (5.2.2) to be connected to each other, • the spring (5.2.4) is placed between the connection piece (5.2.3) and at least one support piece (5.2.1). - at least one base plate which is mounted on the ground, - at least one profile which is mounted on the base plate, - at least one electrode removal system which is connected to a plate mounted on the profile and enables the electrode at a robot end to be removed, - at least the electrode changing system which enables to attach electrode to the robot end, - at least one control unit, ▪ at least one charger (5.1) and at least one spring connection system (5.2) are located in the electrode changing system, ▪ the charger (5.1) enables a plurality of electrodes to be carried, ▪ at least two support pieces (5.2.1), at least one shaft (5.2.2), at least one connection piece (5.2.3) and at least one spring (5.2.4) which are located in the said spring connection system (5.2), • the spring connection system (5.2) enables to absorb the pressure applied towards the charger (5.1) with the spring (5.2.4) while the electrode is being taken by the electrode removal system, and • the support pieces (5.2.1) are fixed to a plate connecting the electrode changing system to the profile, • the shaft (5.2.2) is placed between the support pieces (5.2.1), • at least one connection piece (5.2.3) which enables the charger (5.1) and the shaft (5.2.2) to be connected to each other, • the spring (5.2.4) is placed between the connection piece (5.2.3) and at least one support piece (5.2.1). • the spring connection system (5.2) enables to absorb the pressure applied towards the charger (5.1) with the spring (5.2.4) while the electrode is being taken by the electrode removal system, and • the support pieces (5.2.1) are fixed to a plate connecting the electrode changing system to the profile, • the shaft (5.2.2) is placed between the support pieces (5.2.1), • at least one connection piece (5.2.3) which enables the charger (5.1) and the shaft (5.2.2) to be connected to each other, • the spring (5.2.4) is placed between the connection piece (5.2.3) and at least one support piece (5.2.1).