Omnidirectional multi-finger asynchronous gripper for casting robot

An omnidirectional multi-finger asynchronous gripper for a casting robot, comprising:

• a connecting seat, an arc-shaped support, a mounting seat, longitudinal clamping devices, transverse adjusting devices and transverse clamping devices;
• wherein connecting lugs are symmetrically provided at upper and lower ends of the connecting seat, connecting pins or pin holes are coaxially and symmetrically disposed on left and right sides of the connecting seat and a circular process hole is provided in a middle position of the connecting seat;
• an upper end of the arc-shaped support is fixedly connected with the connecting seat and a lower end of the arc-shaped support is fixedly connected with the mounting seat;
• guide rails are provided on front and rear sides of the mounting seat, a slotted process hole is provided between the two guide rails and herringbone sliding grooves are provided in left and right ends of the mounting seat;
• the longitudinal clamping devices are mounted on the mounting seat and are connected with the mounting seat through the transverse adjusting devices, and the transverse adjusting devices are mounted at two ends of the longitudinal clamping devices;
• the transverse clamping devices are symmetrically mounted at the left and right ends of the mounting seat;
• each longitudinal clamping device comprises a longitudinal clamping cylinder, a longitudinal clamping sleeve, a sliding block, a longitudinal chuck and a longitudinal chuck telescopic cylinder;
• two ends of the longitudinal clamping cylinder are mounted on the mounting seat through the transverse adjusting devices and are connected with a top of the longitudinal clamping sleeve through hinges;
• a mounting hole is provided in a top of the sliding block, a vertical guide hole is provided in an upper end of the sliding block, a longitudinal guide hole is provided in a lower end of the sliding block, a guide rail sliding groove is provided in an inner side of the sliding block, the sliding block is sleeve-mounted on a piston rod of the longitudinal clamping cylinder through the mounting hole, and the sliding block is sleeve-mounted on the guide rails of the mounting seat through the guide rail sliding groove and is connected with the mounting seat through the transverse adjusting devices;
• a section of the longitudinal clamping sleeve is homocentric-square-shaped, a longitudinal guide shaft is provided on an inner side of an upper end of the longitudinal clamping sleeve, and the longitudinal guide shaft is mounted in the longitudinal guide hole of the sliding block and is connected with the sliding block through a linear bearing or a sliding bearing;
• a section of a middle-upper portion of the longitudinal chuck is rectangular, the longitudinal chuck is sleeve-mounted in the longitudinal clamping sleeve, a first anti-slipping rubber layer is provided at a lower end of the longitudinal chuck and a first anti-falling hook is provided at the lowermost end of the longitudinal chuck;
• an upper end of the longitudinal chuck telescopic cylinder is connected with the longitudinal clamping sleeve through a first hinge and a lower end of the longitudinal chuck telescopic cylinder is connected with the longitudinal chuck through a second hinge;
• each transverse adjusting device comprises two gear racks, an anti-slipping stop plate, a hand ring and extension springs, the two gear racks are disposed in parallel at tops of front and rear ends of the mounting seat;
• stop teeth are provided below one end of the anti-slipping stop plate, a circular hook hole and a vertical guide pillar are provided at an other end of the anti-slipping stop plate, the vertical guide pillar is disposed in the vertical guide hole of the sliding block, the anti-slipping stop plate and the sliding block of the longitudinal clamping device are connected through two extension springs, and the anti-slipping stop plate is engaged with the two gear racks;
• the hand ring is located on one side of the anti-slipping stop plate and is fixedly connected with the anti-slipping stop plate;
• and
• the two extension springs are symmetrically disposed on an outer side surface of the sliding block, upper ends of the extension springs are connected with the anti-slipping stop plate and lower ends of the extension springs are connected with the sliding block.