Adhesive joining device for preparing and/or producing an adhesive connection in an adhesive point and/or adhesive section on a metallic surface to which a body and/or component is to be adhered, and an adhesive by means of an electrochemical etching device, comprising: - a vacuum holder with a vacuum connection, wherein the vacuum can be formed between the adhesive joining device and the surface around the adhesive point and/or adhesive section to be produced; characterised in that the device further comprises: - a tool-changing holder in the centre of the vacuum holder or in the interior of the vacuum holder or on the vacuum holder, which receives at least two different tools (31, 32) in a timely offset manner and in a defined position; - a first tool which can be inserted and used in the tool holder in a time-delayed manner, namely an electrochemical etching cell for an electrolyte, with: - an etching chamber which is directed towards the metallic surface; - a feed for supplying an electrolyte to the etching chamber, an outlet for discharging the electrolyte from the etching chamber;; - two electrodes (313, 12) with corresponding electrical contacts, one electrode being mechanically and electrically connected to the metallic surface to be structured and the second electrode coming into contact with the electrolytes, - a second tool that can be inserted and used with a time offset in the tool holder for holding and positioning the body and/or component to be adhered on the etched metallic surface with a defined position within the tool holder, wherein the distance and/or position and/or alignment and/or parallelism of the body to be adhered can be secured and aligned in a defined manner for the adhesion. - a vacuum holder with a vacuum connection, wherein the vacuum can be formed between the adhesive joining device and the surface around the adhesive point and/or adhesive section to be produced; - a tool-changing holder in the centre of the vacuum holder or in the interior of the vacuum holder or on the vacuum holder, which receives at least two different tools (31, 32) in a timely offset manner and in a defined position; - a first tool which can be inserted and used in the tool holder in a time-delayed manner, namely an electrochemical etching cell for an electrolyte, with: - an etching chamber which is directed towards the metallic surface; - a feed for supplying an electrolyte to the etching chamber, an outlet for discharging the electrolyte from the etching chamber;; - two electrodes (313, 12) with corresponding electrical contacts, one electrode being mechanically and electrically connected to the metallic surface to be structured and the second electrode coming into contact with the electrolytes, - an etching chamber which is directed towards the metallic surface; - a feed for supplying an electrolyte to the etching chamber, an outlet for discharging the electrolyte from the etching chamber;; - two electrodes (313, 12) with corresponding electrical contacts, one electrode being mechanically and electrically connected to the metallic surface to be structured and the second electrode coming into contact with the electrolytes, - a second tool that can be inserted and used with a time offset in the tool holder for holding and positioning the body and/or component to be adhered on the etched metallic surface with a defined position within the tool holder, wherein the distance and/or position and/or alignment and/or parallelism of the body to be adhered can be secured and aligned in a defined manner for the adhesion.