Laser processor, laser processing system, and method for mounting cartridge

1 . A laser processor comprising:

a machining head having an optical path of a laser beam and comprising:

a pressing member; and

a stopper surface; and

a cartridge configured to be inserted in the machining head and configured to be pressed along the optical path toward the stopper surface by the pressing member when the cartridge is in the machining head, the cartridge comprising:

an optical component configured to be positioned in the optical path when the cartridge is in the machining head, the optical component having a first surface and a second surface opposite to the first surface along the optical path;

a first member having an upper surface and a lower surface opposite to the upper surface along the optical path, the first member being configured to contact the first surface of the optical component, the lower surface of the first member being configured to contact the pressing member; and

a second member configured to contact the second surface of the optical component and the stopper surface, an uppermost surface of the upper surface of the first member contacting the second member,

wherein the second member has an upper surface and a lower surface opposite to the upper surface along the optical path, and

wherein a lowermost surface of the lower surface of the second member contacts the first member.

2 . The laser processor according to claim 1 ,

wherein the pressing member is configured to press the first member toward the stopper surface such that the first member presses the first surface of the optical component toward the stopper surface, and

wherein the pressing member is configured to press the optical component to the second member via the first member such that the second surface of the optical component presses the second member to the stopper surface.

3 . The laser processor according to claim 1 ,

wherein the pressing member is configured to press the first surface of the optical component toward the stopper surface via the first member; and

wherein the pressing member is configured to press the second member to the stopper surface via the second surface of the optical component.

4 . The laser processor according to claim 1 , wherein the pressing member is configured to press the cartridge to the stopper surface such that the cartridge is secured to the machining head and the optical component is secured to the first member and the second member between the first member and the second member.

5 . The laser processor according to claim 1 ,

wherein one of the first member and the second member includes a housing that accommodates at least part of the optical component, and

wherein another one of the first member and the second member includes a pressing ring that contacts the optical component.

6 . The laser processor according to claim 5 , wherein at least part of the pressing ring includes a cantilever portion supported by the housing.

7 . The laser processor according to claim 5 ,

wherein a volume of the housing is greater than a volume of the pressing ring, and

wherein a density of the housing is less than a density of the pressing ring.

8 . The laser processor according to claim 5 , wherein a minimum inner diameter of a section of the housing facing a side surface of the optical component is greater than a minimum inner diameter of a section of the pressing ring facing the side surface of the optical component.

9 . The laser processor according to claim 5 , wherein the cartridge further comprises

a first sealing member disposed between the optical component and the housing,

a second sealing member disposed on an upper surface of the pressing ring, and

a third sealing member disposed on a lower surface of the housing.

10 . The laser processor according to claim 1 ,

wherein at least one of the first member and the second member has a depression that receives a distal end portion of a temperature sensor, and

wherein the distal end portion of the temperature sensor faces the optical component.

11 . A laser processing system comprising:

a workpiece support configured to support a workpiece to be processed by a laser beam;

a drive device;

a controller configured to control the drive device; and

a laser processor comprising:

a machining head configured to radiate the laser beam toward the workpiece and configured to be moved by the drive device relative to the workpiece support;

a laser source;

an optical transmission member configured to transmit the laser beam from the laser source to the machining head;

the machining head having an optical path of the laser beam and comprising:

a pressing member; and

a stopper surface; and

a cartridge configured to be inserted in the machining head and configured to be pressed by the pressing member when the cartridge is in the machining head, the cartridge comprising:

an optical component disposed on the optical path when the cartridge is in the machining head, the optical component having a first surface and a second surface opposite to the first surface along the optical path;

a first member having an upper surface and a lower surface opposite to the upper surface along the optical path, the first member being configured to contact the first surface of the optical component, the lower surface of the first member being configured to contact the pressing member; and

a second member configured to contact the second surface of the optical component and the stopper surface, an uppermost surface of the upper surface of the first member contacting the second member,

wherein the second member has an upper surface and a lower surface opposite to the upper surface along the optical path, and

wherein a lowermost surface of the lower surface of the second member contacts the first member.

12 . The laser processing system according to claim 11 , wherein the controller is configured to control operation of the pressing member to cause the pressing member to press the cartridge so as to make the cartridge secured to the machining head and make the optical component secured to the first member and the second member.

13 . A method for mounting a cartridge on a laser processor having a machining head, comprising:

providing the cartridge which includes a first member, a second member, and an optical component which has a first surface and a second surface opposite to the first surface and which is provided between the first member and the second member such that the first surface and a second surface face the first member and the second member, respectively;

inserting the cartridge in the machining head having an optical path of a laser beam such that the optical component is positioned in the optical path, the first member having an upper surface and a lower surface opposite to the upper surface along the optical path; and

pressing, using a pressing member, the first member toward a stopper surface of the machining head so that the first member presses the first surface of the optical component toward the stopper surface and so that the second surface of the optical component presses the second member to the stopper surface,

wherein, during the pressing, the lower surface of the first member contacts the pressing member, and an uppermost surface of the upper surface of the first member contacts the second member,

wherein the second member has an upper surface and a lower surface opposite to the upper surface along the optical path, and

wherein, during the pressing, the upper surface of the second member contacts the stopper surface, and a lowermost surface of the lower surface of the second member contacts the first member.

14 . The method for mounting the cartridge according to claim 13 , wherein the pressing comprises

compressing a first sealing member disposed between a housing and the optical component, one of the first member and the second member including a housing that accommodates at least part of the optical component,

compressing a second sealing member disposed between a pressing ring and the stopper surface or the pressing member, another one of the first member and the second member including the pressing ring that contacts the optical component, and

compressing a third sealing member disposed between the housing and the pressing member or the stopper surface.

15 . The method for mounting the cartridge according to claim 13 ,

wherein before the pressing, a gap exists between the first member and the second member, and

wherein the gap is eliminated by the pressing.

16 . The laser processor according to claim 1 , wherein the upper surface of the second member is configured to contact the stopper surface.

17 . The laser processing system according to claim 11 , wherein the upper surface of the second member is configured to contact the stopper surface.

18 . The method for mounting the cartridge according to claim 13 , wherein the upper surface of the second member is configured to contact the stopper surface.