B25J9/0051

Parallel link robot
11224979 · 2022-01-18 · ·

A parallel link robot includes: a base part; a movable part including an accessory shaft; arms coupling the base and movable parts in parallel; and actuators that drive the respective arms, where each of the arms includes a driving link driven by each of the actuators, and two parallel passive links coupled to the driving link, between the passive links of at least one of the arms, an additional actuator having a rotating shaft disposed in parallel to the passive links is supported by a first link swingably coupled to each of the passive links, the accessory shaft, and the rotating shaft are coupled by a transmission shaft, and the transmission shaft is supported, at an intermediate position in a direction along a longitudinal axis thereof, on a second link rotatably around the longitudinal axis, the second link being swingably coupled to each of the passive links.

ROBOT UNIT HAVING ROTATABLE ARMS
20220009081 · 2022-01-13 ·

The invention relates to a robot unit (1) having—a base (2),—an effector unit (8),—at least two connecting arms (3) 1:7 for connecting the base and the effector unit (8), and—a base motor (10) for each of the at least two connecting arms (3) in order to move the respective connecting arms relative to the base, wherein—a first arm part (4) of each of the at least two connecting arms (3) is arranged on the base (2) and a second arm part (5) of each of the at least two connecting arms (3) is arranged on the effector unit (8), and wherein—each first arm part (4) and its associated second arm part (5) are movably connected to each other by a connecting N element (13). In order to allow improved movability for the effector unit (8), according to the invention,—the at least two connecting arms (3) each have a pivot bearing (15), wherein the pivot bearings (15) each allow rotation of at least one component (7) of the arm parts (4, 5) about an axis of rotation (20) oriented parallel to its direction of extension.

Manipulating device

A manipulating device includes a base part, a user interface disposed above the base part and having a movable part and a grip part, a parallel link mechanism having a pair of arm parts and a pair of link parts, a position sensor configured to detect a position of a base-end part of the arm part, and a controller configured to control at least one of a position and a posture of a robot based on the position detected by the position sensor. The arm part is rotatably connected at a base-end part to the base part, the link part is rotatably connected at a base-end part to the arm part, and is rotatable connected at a tip-end part to the movable part, and the base part is coupled to the movable part through three sets of parallel link mechanisms with six degrees of freedom.

Telescopic shaft for a parallel kinematics robot

A telescopic shaft having a first shaft, a second shaft configured to enable a first relative movement in an axial direction between the first and second shafts, and a third shaft configured to enable a second relative movement in the axial direction between the second and third shafts, and a third relative movement in the axial direction between the first and third shafts. The second shaft is located between the first and third shafts. The telescopic shaft is configured to connect a base of a parallel kinematics robot to an end effector of the same for the purpose of transferring torque. By providing the telescopic shaft with more than two shafts with mutual relative movements between the same, an extension factor (the relation between the maximum and minimum lengths of the telescopic shaft) and by that the working area of the parallel kinematics robot can be increased.

Support structure, robot and parallel link robot
11745335 · 2023-09-05 · ·

Provided is a support structure comprising a link member (a rod-like member), a clamp member disposed to surround the link member, and an elastic member disposed between the link member and the clamp member, the support structure supports the link member inside the clamp member via the elastic member, and the elastic member comprises a liquid impermeable material, and fills a space between the link member and the clamp member.

Systems and methods for an articulated suction gripper assembly

In one embodiment, a robotic system comprises: a robot comprising a robotic actuator and at least one robotic arm mechanically coupled to the robotic actuator; a suction gripper mechanism that comprises: a linear shaft element; an internal airflow passage within the linear shaft configured to communicate an airflow between an airflow application port at a first end of the linear shaft and a gripping port positioned at an opposing second end of the linear shaft; a suction cup assembly comprising a suction cup element coupled to the gripping port; and an actuator configured to rotate the linear shaft in order to articulate an orientation of the suction cup assembly.

Six degree-of-freedom and three degree-of-freedom robotic systems for automatic and/or collaborative fastening operations

A robotic system includes a support structure, a platform, a center serial chain, outer serial chains, motors, a sensor, and a control module. The center serial chain connects a center of the platform to the support structure and includes first joints connected to a linear sliding shaft. The outer serial chains are disposed radially outward of the center serial chain. Each of the outer serial chains includes second joints connecting a bar to the platform and the supporting structure. The motors are connected to the outer serial chains. The sensor is connected to the platform and detects at least one of force or torque applied by a human operator on the platform and generates a signal indicative thereof. The control module controls the motors based on the signal to assist the human operator in at least one of moving or rotating the platform.

PARALLEL-KINEMATIC MACHINE WITH VERSATILE TOOL ORIENTATION

A parallel kinematic machine (PKM) includes a support platform and first, second, and third support linkages. The first, second, and third support linkages together include at least five support links. The PKM further includes a tool base having a shaft joint, a tool base shaft, and a tool platform. The tool base shaft is connected to the support platform via the shaft joint, rigidly connecting the tool platform and the tool base shaft. The PKM also includes one or more tool linkages, each including a tool link connected at one end, via a tool base joint, to the tool base, and at the other end connected, via a tool carriage joint, to a movable carriage. Each tool linkage is configured to rotate the tool base shaft around at least one axis relative to the support platform by transferring a movement of the respective tool linkage to the tool base shaft.

Label applicator

A labeling device includes: a robot having articulated arms with arm sections that are articulated: together, to a robot base, and to a platform of a label pickup device. The pickup device has a base plate and a plunger. The plunger has a fixed portion mounted to the base plate and is not displaceable relative to the base plate in a longitudinal direction, has a portion that is movable in the fixed portion in the longitudinal direction toward the base plate to a retracted position, and has an end configured to pick up a label. A pressure regulator of the plunger breaks a negative pressure in the plunger. The plunger's fixed portion covers an opening of its movable portion in a gas-tight manner by of the when the movable portion in an extended position and which is not covered when in the retracted position.

LABEL APPLICATOR

A labeling device includes: a robot having articulated arms with arm sections that are articulated: together, to a robot base, and to a platform of a label pickup device. The pickup device has a base plate and a plunger. The plunger has a fixed portion mounted to the base plate and is not displaceable relative to the base plate in a longitudinal direction, has a portion that is movable in the fixed portion in the longitudinal direction toward the base plate to a retracted position, and has an end configured to pick up a label. A pressure regulator of the plunger breaks a negative pressure in the plunger. The plunger's fixed portion covers an opening of its movable portion in a gas-tight manner by of the when the movable portion in an extended position and which is not covered when in the retracted position.