A self-piercing die riveter having an indexable die table on the nose of its frame. The die table has a number of dies disposed thereon. The frame defines a first passage and a second passage in communication with and diverging from the first passage. An actuator for indexing the die table is locate
A self-piercing die riveter having an indexable die table on the nose of its frame. The die table has a number of dies disposed thereon. The frame defines a first passage and a second passage in communication with and diverging from the first passage. An actuator for indexing the die table is located on the riveter outside of the nose of the frame and is connected to the die table through either shafts or belts disposed within the first and second passages. The die table has a number of detents that cooperate with a locating arm to hinder indexing of the die table and position the dies in-line with the path of a reciprocating punch.
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1. A self-piercing die riveter comprising: a frame, secured to a robotic arm, supporting a die table having a plurality of dies, the frame defining a first passage extending along an axis of rotation of the die table and a second passage in communication with and diverging from the first passage; an
1. A self-piercing die riveter comprising: a frame, secured to a robotic arm, supporting a die table having a plurality of dies, the frame defining a first passage extending along an axis of rotation of the die table and a second passage in communication with and diverging from the first passage; and an actuator, secured to the frame adjacent to the second passage, configured to rotate the die table through the first and second passages. 2. The riveter of claim 1, wherein the first passage extends in a direction offset from a reciprocating path of a punch and the second passage extends substantially perpendicularly from the first passage. 3. The riveter of claim 1, further comprising a first shaft connected to the die table and at least partially disposed in the first passage. 4. The riveter of claim 3, further comprising a second shaft coupling the actuator to the first shaft and at least partially disposed in the second passage. 5. The riveter of claim 4, wherein the second shaft is coupled to the first shaft through at least one of a bevel gear set, miter gear set, worm drive, and face gear set. 6. The riveter of claim 3, further comprising a belt at least partially disposed in the second passage coupling the actuator with the first shaft. 7. The riveter of claim 1, further comprising a locating arm having a proximal end connected to the frame and a distal end extending from the proximal end, wherein the die table defines a plurality of detents and the distal end of the locating arm is selectively disposed in a first of the plurality of detents to position a first of the plurality of dies in-line with a punch. 8. The riveter of claim 7, where the die table is capable of being rotated such that the distal end of the locating arm is selectively disposed in one of the plurality of detents to position a corresponding die of the plurality of dies in-line with the punch. 9. The riveter of claim 7, wherein the plurality of detents are notches located on a peripheral edge of the die table opposite the axis of rotation from the die. 10. The riveter of claim 7, wherein the locating arm is adjustable. 11. The riveter of claim 7, wherein the proximal end of the locating arm is fixed to the frame and the distal end of the locating arm is selectively disposed in and out of the plurality of detents through elastic deformation of the locating arm. 12. The riveter of claim 7, further comprising a controller in cooperation with the die table, actuator, and locating arm capable of rotating the die table to align at least one of the plurality of dies with punch. 13. A die riveter comprising: a frame, having an internal portion and an external portion, secured to a robotic arm;a die table rotatable on an axis and disposed on the internal portion of the frame;a plurality of dies disposed on the die table;a first shaft connected to and extending along the axis of the die table;a second shaft coupled to and extending in a diverting direction from the first shaft; andan actuator, secured to an external portion of the frame, connected to the second shaft and capable of rotating the die table through the first and second shafts. 14. The riveter of claim 13, wherein the frame defines a first passage extending along the axis of the die table and the first shaft is at least partially disposed in the first passage, and the frame defines a second passage in communication with and diverging from the first passage and the second shaft is at least partially disposed in the second passage. 15. The riveter of claim 13, wherein the second shaft is coupled to the first shaft through at least one of a bevel gear set, miter gear set, worm drive, and face gear set. 16. The riveter of claim 13, further comprising a locating arm having a proximal end connected to the frame and a distal end extending from the proximal end, and the die table defines a plurality of detents each corresponding to one of the plurality of dies, wherein the distal end of the locating arm is selectively disposed in a first of the plurality of detents to position a first of the plurality of dies in-line with a reciprocating punch. 17. The riveter of claim 16, wherein the actuator is capable of rotating the die table from a first position in which the distal end of the locating arm is disposed in the first of the plurality of detents to a second position in which the distal end of the locating arm is disposed in a second of the plurality of detents and wherein the distal end of the locating arm in cooperation with the second of the plurality of detents hinder the rotation of the die table and position a second of the plurality of dies in-line with the punch. 18. A riveter comprising: a C-shaped frame defining a head, a nose, and a central section disposed between the head and the nose, the C-shaped frame secured to a robotic arm at the central section;a die table supported by the nose and defining a number of detents;a first die disposed on the die table corresponding to a first detent of the number of detents;a second die, having a geometry different than the first die, disposed on the die table corresponding to a second detent of the number of detents;a locating arm connected to the riveter having a free end selectively disposable in the first and second detents to hinder indexing of the die table and position the first and second dies in-line with a path of a reciprocating punch, the reciprocating punch supported by the head; andan actuator supported by the central section, the actuator capable of indexing the die table advancing the free end of the locating arm to be selectively disposed in any one of the number of detents and position a corresponding die in-line with the path of the reciprocating punch. 19. The riveter of claim 18, wherein the number of detents consists of notches located on a peripheral edge of the die table.
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이 특허에 인용된 특허 (4)
Kondo, Yoshiteru, Die changing mechanism for self-piercing rivet setting apparatus and the like.
Ahlemeyer, Fabian; Peters, Peter, Die changer with removable die adapted thereto and die dome as well as method for removing and inserting the removable die.
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