Fine Positioning Rotary Stage
A rotary table, precise positioning technology, applied in auxiliary devices, vehicle parts, auxiliary welding equipment, etc., can solve the problems of large sheet metal parts, such as heavy weight, inability to achieve automatic control, and reduced positioning accuracy, to reduce labor intensity, The effect of reducing complicated labor and improving accuracy
Active Publication Date: 2016-05-04
MH ROBOT & AUTOMATION
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Problems solved by technology
In the invention patent with the patent No. 201320736804.9 applied by our company, a rotating device for welding fixtures for automobiles is recorded. Cooperate with the positioning plug-in to brake the rotation of the platform. Since it needs manual braking, it cannot realize automatic control and the positioning accuracy is reduced. When realizing the automatic welding of the robot, the robot arm needs to accurately position and use the grasping workpiece And it is welded, so the above-mentioned device cannot accurately determine the rotation angle of the workpiece or the welding fixture.
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Embodiment Construction
[0019] Such as figure 1 The precision positioning rotary table shown includes a base frame 1 and a rotating platform 2 rotatably connected to the base frame 1 through a support shaft, figure 1 Multi-layer sheet metal parts 20 are placed on the rotating platform 2 in the middle. The underframe 1 is equipped with a rotating power mechanism that drives the rotating platform 2 to rotate. The rotating power mechanism includes a power machine 10 connected to the underframe 1, and the power output shaft of the power machine is installed There is a driving gear, and the bottom of the rotating platform 2 is equipped with a driven gear 11 that meshes with the driving gear. Of course, the rotating power mechanism can also adopt other structures, such as a motor driving a pulley to drive the support shaft to rotate. The power machine 10 uses a servo motor. The power transmission mode of the gear meshing can make the positioning more accurate. The bottom surface of the rotating platform 2 is...
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The invention discloses a fine positioning rotating table which comprises an underframe and a rotating platform connected to the underframe through a supporting shaft in a rotatable manner, wherein a rotating power mechanism for driving the rotating platform to rotate is arranged on the underframe; a fixed seat is arranged on the bottom surface of the rotating platform; a position arriving pressing block is arranged at the side part on the fixed seat in the rotating direction of the rotating platform; a positioning shaft is arranged at the side part of the fixed seat in the radial direction of the rotating platform; a base positioned below the rotating platform is arranged on the underframe; a position arriving baffle which can collide with the position arriving pressing block which arrives at a position is arranged on the base; a braking cylinder is arranged on the base; a piston rod of the braking cylinder is connected with a positioning hook for hooking the positioning shaft after the positioning shaft rotates to arrive the position. The fine positioning rotating table rotates stably; by buffering and locking on the fine positioning rotating table which arrives at the position, the precision is greatly improved; therefore, the working efficiency of carrying and welding of a robot is improved; an operator stays far away from the working region of the robot, so that risk is avoided.
Description
Technical field [0001] The invention relates to a precise positioning rotary table. Background technique [0002] The so-called rotating mechanism in the design of automobile welding fixture generally refers to the convenience of the operator's welding operation, so that the welding fixture can rotate at least 360°, and realizes multi-directional welding without the operator moving. Reduce the labor intensity of operators. The invention patent No. 201320736804.9 applied by our company records an automobile welding fixture rotating device. The rotating mechanism has a stable and reliable structure and is convenient for welding fixture rotation. When the welding fixture rotates, the positioning groove is made by the foot pedal. Cooperate with the positioning plug-in to brake the rotation of the platform. Because it requires manual braking, automatic control cannot be achieved and the positioning accuracy is reduced. When the robot is automatically welded, the robot arm needs to ac...
Claims
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IPC IPC(8): B23K37/047
CPCB23K37/047B23K2101/006
Inventor 孙希趵兰春立李大鹏于立强王银河
Owner MH ROBOT & AUTOMATION