Spot welding cap changer
Assignee002152706 Ontario Ltd.
InventorWerner Kaeseler
Life of this patent
Estimating the term…
Abstract
The invention relates to a spot welding cap changer (1) with a cap puller (2) and two cap magazines (3, 3A), the cap puller (2) having a gripper (20) with spring-loaded, pivotable jaws (21, 22), which in response to a turning and axial pulling-off movement detaches a spot welding cap (K) of a pincer spot welding head introduced into it from a shaft of the pincer welding head in such a way that it is clamped to prevent it twisting, and the cap magazines (3, 3A) holding spot welding caps respectively in a round cap carrier (31) such that they are circularly arranged in a directed and oriented manner and are respectively transported individually one after the other into an access position against a stop (32) by an advancing force (P).
Claims30
A cap magazine for use with a cap extractor that detaches a spot welding cap of a pincer spot welding head inserted into the cap extractor from a shaft of the pincer welding head, the cap magazine comprising:
- a cap carrier having a plurality of holes sized and shaped to receive a plurality of spot welding caps;
- and
- an actuator for driving the spot welding caps within the cap carrier, the actuator providing an advancing force to advance the caps one by one so that one of the caps moves to an access position, the access position allowing one of the spot welding caps to be attached axially to the shaft of the pincer spot welding head and to be extracted from the cap carrier with the shaft of the pincer spot welding head, and when the cap in the access position is extracted from the cap carrier, the actuator advances another one of the caps into the access position;
- wherein the actuator includes a spring box;
- and
- wherein the spring box includes a spring, one end of which is fixed at the spring box, and the other end of which is fixed at the cap carrier.
A spot welding cap changer comprising:
- a cap extractor having a gripper which in response to a turning and axial extraction movement detaches a spot welding cap of a pincer spot welding head inserted into the gripper from a shaft of the pincer spot welding head in such a way that the spot welding cap is clamped by the gripper to prevent the spot welding cap from twisting;
- and
- at least one cap magazine including:
- a cap carrier sized and shaped to receive a plurality of spot welding caps, and an actuator for driving the spot welding caps within the cap carrier, the actuator providing an advancing force to advance the caps one by one so that one of the caps moves to an access position, the access position allowing one of the spot welding caps to be attached axially to the shaft of the pincer spot welding head and to be extracted from the cap carrier with the shaft of the pincer spot welding head, and when the cap in the access position is extracted from the cap carrier, the actuator advances another one of the caps into the access position.
Dependencies are inferred from the claim text.