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CN-224217893-U - Novel connecting elbow structure of folded cavity CO2 laser

CN224217893UCN 224217893 UCN224217893 UCN 224217893UCN-224217893-U

Abstract

A novel connecting elbow structure of a folded cavity CO 2 laser is characterized by comprising a reference plane, two vertical glass tubes, two total reflection mirrors and one parallel glass tube, wherein the reference plane is provided with two through holes, the two vertical glass tubes are sintered on the two through holes respectively, the parallel glass tubes are connected with the two vertical glass tubes, and the two total reflection mirrors are assembled at the corners where the parallel glass tubes are connected with the vertical glass tubes respectively. The utility model realizes the geometric constraint among the components, ensures the fixed and unique space configuration among the assembled components, effectively solves the problem of precision control during the manual manufacture of the switching elbow by the structure, greatly reduces the occurrence of the phenomenon of imbalance of the concentricity of the optical axis when the laser tube main body and the switching elbow are assembled due to the geometric tolerance of the switching elbow, ensures the stable operation mode of the laser, reduces the power loss of the laser and prolongs the service life of the laser.

Inventors

  • Huang Panqing

Assignees

  • 黄盼晴

Dates

Publication Date
20260508
Application Date
20250716

Claims (10)

  1. 1. A novel connecting elbow structure of a folded cavity CO 2 laser is characterized by comprising a reference plane, two vertical glass tubes, two total reflection mirrors and one parallel glass tube, wherein the reference plane is provided with two through holes, the two vertical glass tubes are sintered on the two through holes respectively, the parallel glass tubes are connected with the two vertical glass tubes, and the two total reflection mirrors are assembled at the corners where the parallel glass tubes are connected with the vertical glass tubes respectively.
  2. 2. The novel connecting elbow structure of the folded cavity CO 2 laser device according to claim 1, wherein the reference plane is rectangular, circular or elliptical.
  3. 3. The novel connecting elbow structure of the folded cavity CO 2 laser device is characterized in that a glass reference plane is adopted as the reference plane.
  4. 4. The novel connecting elbow structure of the folded cavity CO 2 laser is characterized in that the vertical glass tubes are perpendicular to a reference plane, the two vertical glass tubes are parallel and perpendicular to the reference plane, and the parallel glass tubes are parallel to the reference plane.
  5. 5. The novel connecting elbow structure of the folded cavity CO 2 laser device is characterized in that the two total reflection mirrors are respectively at an angle of 45 degrees with the reference plane, and an angle of 90 degrees is formed between the two total reflection mirrors and is used for connecting the light paths of the two laser tubes.
  6. 6. The novel connecting elbow structure of the folded cavity CO 2 laser device is characterized in that two through holes on the reference plane are symmetrical, the positions and the sizes of the holes are determined by the positions and the sizes of laser tube outlets, and the two laser tube outlets of the folded cavity CO 2 laser device can be guaranteed.
  7. 7. The novel connecting elbow structure of the folded cavity CO 2 laser device according to claim 1, wherein the two vertical glass tubes and the parallel glass tube are cylindrical glass tubes.
  8. 8. The novel connecting elbow structure of the folded cavity CO 2 laser is characterized in that a glass flange interface is arranged on the parallel glass tube and used for supplementing CO 2 gas for the laser in the later period.
  9. 9. The novel connecting elbow structure of the folded cavity CO 2 laser is characterized in that the glass flange interface is arranged at the center of a parallel glass tube, and the center of the glass flange interface is provided with a center hole for supplementing air for the laser.
  10. 10. The novel connecting elbow structure of the folded cavity CO 2 laser device is characterized in that one end of the vertical glass tube far away from a reference plane is of an inverted V shape, and two ends of the parallel glass tube are of the inverted V shape.

Description

Novel connecting elbow structure of folded cavity CO 2 laser [ Field of technology ] The utility model relates to the field of sealed-off CO 2 lasers, in particular to a novel connecting elbow structure of a folded cavity CO 2 laser. [ Background Art ] The sealed CO 2 laser is a common laser and has the outstanding advantages of simple structure, convenient use, low cost and the like. The output power of the laser is an important performance index of the laser, the power of the CO 2 laser is directly related to the length of the discharge tube, and is limited by the space structure, and the CO 2 laser cannot be too long, so that people often adopt a cavity folding mode to prolong the length of the discharge tube of the laser, and the output power of the laser is improved. The folded cavity can effectively increase the output power of the laser, but also brings serious challenges to the structural design and the light path adjustment of the folded cavity, and how to ensure the optical characteristics of the laser and reduce the adjustment difficulty is an important problem facing the folded cavity laser at present. The light path of the common folded cavity CO 2 laser is shown in figure 1, a plurality of CO 2 laser tubes are connected through a switching elbow, two total reflection mirrors are arranged at the corners, and the strict coincidence of the optical axes of the plurality of laser tubes is ensured by precisely adjusting the space pose (position and angle) of the total reflection mirrors. At present, the manufacturing process of a single laser tube is mature, so that the overall performance and service life of the folded cavity CO 2 laser mainly depend on the structural precision and assembly quality of the switching elbow. The manufacture of the prior folded cavity CO 2 laser switching elbow mainly depends on an artificial glass sintering process, and the process needs to manually position all components (including an air inlet end, a discharge cavity section, a light outlet end and the like) of the elbow and then assemble and sinter the components one by one, so that the mode extremely depends on the technical level of workers, the processing difficulty is high, and the yield is low. How to effectively solve the problem is a serious challenge for folded cavity laser processing. [ Invention ] The utility model aims to provide a novel switching elbow structure of a folded cavity CO 2 laser, which solves the problems of poor tightness, difficult installation and positioning and the like of the switching elbow in the prior art. The technical scheme is that the novel connecting elbow structure of the folded cavity CO 2 laser comprises a reference plane, two vertical glass tubes, two total reflection mirrors and one parallel glass tube, wherein the reference plane is provided with two through holes, the two vertical glass tubes are sintered on the two through holes respectively, the parallel glass tubes are connected with the two vertical glass tubes, and the two total reflection mirrors are assembled at the corners where the parallel glass tubes are connected with the vertical glass tubes respectively. The reference plane is rectangular, circular or elliptical. The reference plane adopts a glass reference plane. The vertical glass tubes are perpendicular to the reference plane, the two vertical glass tubes are parallel and perpendicular to the reference plane, and the parallel glass tubes are parallel to the reference plane. The two total reflection mirrors are respectively at an angle of 45 degrees with the reference plane, and 90 degrees are formed between the two total reflection mirrors and are used for connecting the light paths of the two laser tubes. The two through holes on the reference plane are symmetrical, and the positions and the sizes of the holes are determined by the positions and the sizes of the outlets of the laser tubes, so that the two outlets of the laser tubes, which can face the folded cavity CO 2 laser, are ensured. The two vertical glass tubes and the parallel glass tube are cylindrical glass tubes. And a glass flange interface is arranged on the parallel glass tube and is used for supplementing CO 2 gas for the laser in the later stage. The glass flange interface is arranged at the center of the parallel glass tubes. The center of the glass flange interface is provided with a center hole for supplementing air for the laser. One end of the vertical glass tube far away from the reference plane is in an inverted V shape. Both ends of the parallel glass tube are in an inverted V shape. The utility model has the advantages that 1, the utility model realizes the geometric constraint among the components, ensures the fixed and unique space configuration among the components, effectively solves the problem of precision control when the switching elbow is manually manufactured, greatly reduces the occurrence of the phenomenon of imbalance of the concentricity of the laser tube main bo