Straight line flexible positioning device
A straight-line flexible positioning device is presented. The positioning device includes an X-shaft positioning portion, a Y-shaft positioning portion and a Z-shaft positioning portion, wherein the X/Y-shaft positioning portion includes an/a X/Y-shaft pedestal, an/a X/Y-shaft sliding rail, an/a X/Y-shaft sliding table and an/a X/Y-shaft power unit, the Z-shaft positioning portion includes a stand column, a Z-shaft screw shaft, a Z-shaft screw nut and a Z-shaft servo motor, the Z-shaft screw shaft is vertically arranged perpendicular to the X-shaft sliding rail and the Y-shaft sliding rail, the Z-shaft screw nut is fixedly connected with a spline shaft sheathed outside the Z-shaft screw shaft, the top portion of an inner guiding chamber on the stand column is provided with a spline nut, and the top end of the spline shaft extends out of the inner guiding chamber and an installation panel is arranged above the stand column.
1. A straight-line flexible positioning device, comprising:
a X-shaft positioning portion, wherein the X-shaft positioning portion includes an X-shaft pedestal, an X-shaft sliding rail arranged on the X-shaft pedestal, an X-shaft sliding table installed on the X-shaft sliding rail and an X-shaft power unit driving the X-shaft sliding table to move along the X-shaft sliding rail in front and back;
a Y-shaft positioning portion, wherein the Y-shaft positioning portion includes a Y-shaft pedestal connected with the X-shaft sliding table, a Y-shaft sliding rail arranged on the Y-shaft pedestal and perpendicular to the X-shaft sliding rail, a Y-shaft sliding table installed on the Y-shaft sliding rail and a Y-shaft power unit driving the Y-shaft sliding table to move along the Y-shaft sliding rail in left and right; and
a Z-shaft positioning portion, wherein the Z-shaft positioning portion includes a stand column connected with the Y-shaft sliding table and is provided with an inner guiding chamber, a Z-shaft screw shaft installed in the inner guiding chamber, a Z-shaft screw nut installed on the Z-shaft screw shaft and a Z-shaft servo motor driving the Z-shaft screw shaft to rotate, wherein the Z-shaft screw shaft is vertically arranged perpendicular to the X-shaft sliding rail and the Y-shaft sliding rail, wherein the Z-shaft screw nut is fixedly connected with a spline shaft sheathed outside the Z-shaft screw shaft;
wherein a top portion of the inner guiding chamber on the stand column is provided with a spline nut for the spline shaft to pass through, wherein a top end of the spline shaft extends out of the inner guiding chamber, wherein an installation panel is arranged above the stand column;
wherein the Z-shaft screw shaft is installed on the stand column through a Z-shaft installing base located at the bottom of the inner guiding chamber;
wherein an X-shaft limiting stopper is arranged on the X-shaft pedestal, wherein the X-shaft sliding table is provided with a collision block that can be matched with the limiting stopper to limit the stroke of the X-shaft sliding table;
wherein the X-shaft sliding rail is arranged at both sides of the X-shaft screw shaft respectively, wherein the X-shaft sliding table is installed on the X-shaft sliding rail through an X-shaft sliding block;
wherein the X-shaft pedestal is installed with an X-shaft side protecting plate at the outside of two X-shaft sliding rails, wherein the X-shaft pedestal is installed with an X-shaft upper protecting plate at the top portion of the X-shaft side protecting plate, wherein the X-shaft sliding table passes through the inside of the X-shaft upper protecting plate;
wherein the X-shaft pedestal is provided with a ruler for indicating the position of the Y-shaft pedestal, wherein the X-shaft pedestal is installed with an X-shaft aligning base and an X-shaft aligning block installed on the X-shaft aligning base.
2. The straight-line flexible positioning device of claim 1 , wherein a transmission chamber is formed below the inner guiding chamber on the stand column.
3. The straight-line flexible positioning device of claim 2 , wherein a driven pulley is installed in the transmission chamber connected with the Z-shaft screw shaft, wherein the Z-shaft servo motor is installed on the stand column through a motor installing plate.
4. The straight-line flexible positioning device of claim 3 , wherein a driving pulley connected with the driven pulley through a synchronous belt is installed in the transmission chamber on the output shaft of the Z-shaft servo motor.
5. The straight-line flexible positioning device of claim 1 , wherein the X-shaft power unit comprises an X-shaft screw shaft installed on the X-shaft pedestal parallel to the X-shaft sliding rail, an X-shaft screw nut installed on the X-shaft screw shaft and connected with the X-shaft sliding table, and an X-shaft servo motor driving the X-shaft screw shaft to rotate.
6. The straight-line flexible positioning device of claim 1 , wherein the X-shaft screw shaft is installed on the X-shaft pedestal through an X-shaft installing base at the end portion, wherein the X-shaft screw shaft is connected with the output shaft of an X-shaft servo motor through a coupling.
7. The straight-line flexible positioning device of claim 1 , wherein the Y-shaft power unit comprises a Y-shaft screw shaft installed on the Y-shaft pedestal parallel to the Y-shaft sliding rail, a Y-shaft screw nut installed on the Y-shaft screw shaft and connected with the Y-shaft sliding table, and a Y-shaft servo motor driving the Y-shaft screw shaft to rotate.
8. The straight-line flexible positioning device of claim 1 , wherein the Y-shaft screw shaft is installed on the Y-shaft pedestal through a Y-shaft installing base at the end portion, wherein the Y-shaft screw shaft is connected with the output shaft of the Y-shaft servo motor through a coupling, a Y-shaft limiting stopper is arranged on the Y-shaft pedestal, wherein the Y-shaft sliding table is provided with a collision block that can be matched with the limiting stopper to limit the stroke of the Y-shaft sliding table.
9. The straight-line flexible positioning device according to claim 8 , wherein the Y-shaft sliding rail is arranged at both sides of the Y-shaft screw shaft respectively, wherein the Y-shaft sliding table is installed on the Y-shaft sliding rail through a Y-shaft sliding block.
10. The straight-line flexible positioning device according to claim 9 , wherein the Y-shaft pedestal is installed with a Y-shaft side protecting plate at the outside of the two Y-shaft sliding rails, wherein the Y-shaft pedestal is installed with a Y-shaft upper protecting plate at the top portion of the Y-shaft side protecting plate, wherein the Y-shaft side protecting plate passes through the inside of the Y-shaft sliding table.
11. The straight-line flexible positioning device according to claim 9 , wherein the Y-shaft pedestal is provided with a ruler for indicating the position of the stand column, wherein the Y-shaft pedestal is installed with a Y-shaft aligning base and a Y-shaft aligning block installed on the Y-shaft aligning base.