Segmental Positioning Mechanism for Moving Beam of Gantry Machine Tool
A technology of positioning mechanism and moving beam, applied in the directions of large fixed members, metal processing machinery parts, metal processing equipment, etc., can solve the problems of poor positioning stability and complex driving structure, and achieve good positioning stability and simple positioning mechanism structure. Effect
Inactive Publication Date: 2016-04-06
SUZHOU JIANG YUAN PRECISION MACHINERY
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Problems solved by technology
Such a beam driving structure is relatively complicated, and the positioning stability is poor
Method used
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[0027] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0028] see figure 1 , a gantry machine tool moving crossbeam segmentation positioning mechanism, including a crossbeam 1 that can move up and down and a crossbeam positioning mechanism, the crossbeam positioning mechanism mainly includes a translation cylinder, a positioning pin 10, a positioning plate 15, a switch frame 16, a limit switch, Signal pole 12.
[0029] The translation oil cylinder is fixed on the crossbeam 1, and it includes a cylinder body 3, a cylinder head 4 and a piston rod 5, and the cylinder head 4 and the cylinder body 3 are connected by screws. The piston rod 5 of the translation cylinder can move forward and backward.
[0030] The positioning pin 10 is fixedly connected with the piston rod 5 of the translation cylinder through the connecting plate 6, and the positioning pin 10 is arranged on the beam 1 so as to be mova...
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The invention provides a section-by-section positioning mechanism for a gantry tool movable beam. The mechanism comprises a beam capable of moving vertically and a beam positioning mechanism. The beam positioning mechanism comprises a translation oil cylinder, a positioning pin, a positioning plate, a switch frame, a limit switch and a signal rod. The translation oil cylinder is fixed on the beam, and a piston rod of the translation oil cylinder can telescope front and back; the positioning pin is fixedly connected with the piston rod of the translation oil cylinder through a connection plate and can be arranged on the beam in a front and back movable mode; the positioning plate is fixed on a vertical column on the outside of the beam, a plurality of positioning grooves are formed at intervals vertically, and the positioning pin can be inserted in or withdrawn from one of the positioning grooves; the switch frame is fixed on the beam; the limit switch is fixed on the switch frame, and the piston rod of the translation oil cylinder stops moving after the limit switch is triggered; the signal rod is fixedly connected onto the connection plate and provided with a signal block for triggering the limit switch. Compared with the prior art, the mechanism is simple in structure, capable of achieving section-by-section positioning and good in positioning stability.
Description
technical field [0001] The invention relates to the technical field of beam structure of a gantry machine tool, in particular to a segment positioning mechanism installed on a moving beam of a gantry machine tool. Background technique [0002] At present, the driving structure of the moving beam of the gantry machine tool is usually: a servo motor is used to drive the ball screw to drive, and a double grating ruler is used for positioning compensation to ensure the level of the beam guide rail. Such a beam driving structure is relatively complicated, and the positioning stability is relatively poor. Contents of the invention [0003] In order to solve the deficiencies of the prior art, the object of the present invention is to provide a sectional positioning mechanism for a moving beam of a gantry machine tool with a simple structure and better positioning stability. [0004] In order to achieve the above object, the present invention adopts following technical scheme: ...
Claims
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IPC IPC(8): B23Q1/26
CPCB23Q1/26
Inventor 张明利马国城崔永超
Owner SUZHOU JIANG YUAN PRECISION MACHINERY