Industrial SCARA robot precision improving device
A robot and precision technology, applied in manipulators, manufacturing tools, program-controlled manipulators, etc., can solve problems affecting robot position accuracy, slow deceleration time, long deceleration stroke, etc., to achieve strong deformation effect, enhanced stopping force, and enhanced resistance Effect
Inactive Publication Date: 2020-01-14
浙江谱麦科技有限公司
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Problems solved by technology
[0003] However, the accuracy of the SCARA robots currently on the market is low, and a deceleration process is required after the manipulator reaches the designated position. The deceleration time of the SCARA robots in the prior art is slow, and the deceleration stroke is long, which greatly affects the robot during work. position accuracy
Method used
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Embodiment approach
[0022] As an embodiment of the present invention, the rubber ring 6 is provided with an annular cavity 61; the annular cavity 61 is provided with a ball 611; the protrusion 51 is on the side wall opposite to the ejection direction of the shrapnel 4 There is an arc-shaped groove 511, and the size of the arc-shaped groove 511 is larger than the size of the ball 611; through the cooperation of the shrapnel 4, the rubber ring 6 and the ball 611, the shrapnel 4 can push the ball 611 into the arc-shaped groove 511 when it pops up, thereby further Improve the positioning accuracy of the robot; when working, when the staff determines the working stroke of the robot through the controller, when the target position is reached, the controller controls the electromagnet 2 to be electrified, and the electromagnet 2 generates a magnetism opposite to that of the shrapnel 4 when it is energized , so that the shrapnel 4 close to the electromagnet 2 pops up under the action of mutual repulsion. ...
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The invention belongs to the technical field of industrial robots and particularly relates to an industrial SCARA robot precision improving device which comprises a shell, an electromagnet, a positioning ring, shrapnels and a rotary shaft, wherein the positioning ring is mounted in the shell to enable the outer side wall of the positioning ring to fit the electromagnet; the shrapnels are uniformlymounted on the inner side wall of the positioning ring and have magnetism repellent with the electromagnet, so that the electromagnet is electrified to pop up the shrapnels through mutual repulsive force; the rotary shaft is mounted in the shell in a sleeving manner; and a boss is arranged on the outer side wall, close to the shrapnels, of the rotary shaft. Through cooperation of the shell, the electromagnet, the positioning ring, the shrapnels and the rotary shaft, the rotating stroke of being static from the working speed of the rotary shaft is reduced, the deviation between the static position of a manipulator and the position set by a worker is reduced, the position precision of the robot during the working process is enhanced, the working quality is improved and the using effect of the robot is improved.
Description
technical field [0001] The invention belongs to the technical field of industrial robots, in particular to an industrial SCARA robot precision improving device. Background technique [0002] The Chinese translation of SCARA: Selective Compliant Assembly Robot Arm is a special type of industrial robot with cylindrical coordinates. In 1984, the world's first direct-drive SCARA robot was born in Adept. The so-called direct drive means that the motor directly drives the arm, eliminating the need for transmission mechanisms such as gears or chains in the middle. The advantage is that there are no weaknesses such as friction, backlash and low stiffness caused by the transmission system, which improves the response speed and accuracy; the SCARA robot has 3 rotating joints, whose axes are parallel to each other, and are positioned and oriented in the plane. The other joint is the movement joint, which is used to complete the movement of the end piece in a plane perpendicular to th...
Claims
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IPC IPC(8): B25J9/04B25J9/10
CPCB25J9/04B25J9/10
Inventor 毛贺张翔谭晶晶
Owner 浙江谱麦科技有限公司