Automatic focus numerical control laser cutter

A digitally controlled laser and automatic focusing technology, which is applied in laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of limited cutting range of plates, small adjustable focus, and low accuracy, so as to improve stability and Accuracy, expanded cutting range, stable and high-precision focusing effect

CN101837517AInactive Publication Date: 2010-09-22LONGYAN LISHANG PRECISION MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2010-09-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an automatic focus numerical control laser cutter, which comprises a framework mechanism (1), a focusing mechanism (2), a lens seat mechanism and guide mechanisms (3) consisting of guide slots (3-1), guide keys (3-2) and locking screws (3-3). The framework mechanism comprises a fixed sleeve (1-1), a connecting seat (1-6) and a nozzle (1-7); the focusing mechanism comprises a worm (1-4), a worm gear (1-5), a bearing (1-2), a nut (1-3) and a trapezoidal thread sleeve (2-1); the lens seat mechanism comprises an upper lens seat (2-2) of a blow hole (2-2.1), a focusing lens (2-3) and an aqueous vapor seat (2-4) which consists of an upper part and a lower part and is provided with a blow hole (2-4.1) and an annular cooling water tank (2-4.2), a lower lens seat (2-5) and a ventilation seat (2-6); and the guide mechanisms are arranged in the aqueous vapor seat and bilaterally and symmetrically distributed by taking an axis of the cutter as a center. The cutter with the structure can realize high-precision, high-efficiency and smooth automatic focusing and has large focusing range and good focusing effects so as to expand the thickness range of plates to be cut.
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Description

1. Technical field

[0001] The invention relates to a mechanical processing equipment, in particular to a laser cutter of a CO2 numerical control laser cutting machine. 2. Background technology

[0002] CNC laser cutter is the main functional part of CNC laser cutting machine. Patent ZL200610043516.X discloses a numerically controlled laser cutting head, that is, a numerically controlled laser cutter, which consists of a connecting pipe, a mirror holder box, a water cooling assembly, a focusing mirror holder assembly, a focusing lens, a ventilation assembly, an adjusting nut, and a high-strength insulation isolation It is composed of sleeve, transition nozzle and cutting nozzle. Compared with other laser cutting machines of the same power, it has the advantages of thicker sheet material, higher sheet material utilization rate, good cooling effect of focusing lens and no thermal deformation caused by focusing, etc., but There are the following deficiencies: First, because its...

Examples

Embodiment Construction

[0014] Such as figure 1 As shown, the automatic focusing CNC laser cutter of the present invention includes a frame mechanism 1, a focusing mechanism 2, a mirror seat mechanism, and a guiding mechanism 3 composed of a guiding groove 3-1, a guiding key 3-2, and a locking screw 3-3. ; The frame mechanism 1 includes a fixed sleeve 1-1, a connecting seat 1-6 and a nozzle 1-7; -3 and a trapezoidal threaded sleeve 2-1; the mirror base mechanism includes an upper mirror base 2-2, a focusing lens 2-3, a water air base 2-4, a lower mirror base 2-5 and a ventilation base 2-6, The upper mirror base 2-2 is provided with air blowing holes 2-2.1 and air blowing grooves, and the water air base 2-4 is composed of upper and lower parts. The parts are positioned by positioning pins and connected by screws; the lower end of the trapezoidal threaded sleeve 2-1 is connected with the upper lens base 2-2 through the transition flange; the guide mechanism 3 is set in the water air base 2-4 and cente...