DE102017130948A1 - LASER MACHINING MACHINE AND ITS NOZZLE - Google Patents

Abstract

The present invention relates to a laser processing machine and its nozzle (10). The nozzle (10) consists essentially of a nozzle body (1) and a protector (2). In the nozzle body (1), a laser passage (11) is formed. The protector (2) is formed at an end portion (12) of the nozzle body (1). The protector (2) has a through hole (21) connected to the laser passage (11). The protector (2) consists essentially of a conductive material that does not contain a metallic element.

Description

The present invention relates to a processing machine and its nozzle, in particular a laser processing machine and its nozzle.

A related art laser processing machine includes a nozzle having a machined surface so that the nozzle is heat resistant and is not contaminated with a vapor deposition material so as to meet the machining requirements. For example, in CN Patent No. 1798628, there is described a "nozzle used for a processing machine, a nozzle for welding, a method for manufacturing a nozzle for a processing machine, and a method for producing a nozzle for welding".

In the above patent, the surface of the metallic nozzle of the processing machine is coated with a hard ceramic coating film. The surface of the nozzle of the processing machine is protected with a coating film of a hard ceramic to increase the useful life of the nozzle of the processing machine longer. However, as market demand changes, a variety of products continue to evolve to meet the different demands of the market.

The main object of the present invention is to provide a nozzle for a laser processing machine to meet the various requirements in the market.

According to one aspect of the present invention, a nozzle for a laser processing machine is provided. The nozzle comprises a nozzle body and a protector. Through the nozzle body, a laser passage is formed. The protector is coupled to an end portion of the nozzle body. The protector has a through hole connected to the laser passage. The protector consists essentially of a conductive material that does not contain a metallic element.

According to another aspect of the present invention, there is further provided a laser processing machine comprising a laser processing machine housing and a nozzle. The laser processing machine housing essentially consists of a laser-generating module and a focusing module. The focusing module corresponds to the laser generating module to focus a laser generated by the laser generating module. The nozzle is mounted on the laser processing machine housing. The nozzle comprises a nozzle body and a protector. In the nozzle body, a laser passage is formed. The protector is coupled to an end portion of the nozzle body. The protector has a through hole connected to the laser passage to pass the laser beam therethrough. The protector consists essentially of a conductive material that does not contain a metallic element.

Preferably, graphite is used as the material of the protector.

Preferably, the protector is embedded embedded at the end portion.

Preferably, a receptacle and an opening edge formed around the receptacle are formed with the end portion. The receptacle is configured to receive the protector. The opening edge has a chamfer.

Preferably, a receptacle and an opening edge formed around the receptacle are formed with the end portion. The protector essentially consists of an insert part and a head part. The head part has a diameter which is larger than that of the insert part. The insert is embedded in the receptacle. The headboard leans against the opening edge. With the headboard, the opening edge is covered. The through hole is formed by the insert part and the head part.

1. 1. Der Düsenkörper ist mit dem Protektor kombiniert, der aus einem leitfähigen Material ohne einem metallischen Element besteht, was sich von der vorhandenen Keramikbeschichtungstechnologie unterscheidet.
2. 2. Der Protektor ist am Endabschnitt des Düsenkörpers gekoppelt, um so ein Verschmutzen des Düsenkörpers mit einem Aufdampfmaterial während dem Vorgang zu verhindern.
3. 3. Der Protektor kann aus einem Graphitmaterial bestehen, das die Eigenschaft einer Beständigkeit gegenüber hohen Temperaturen aufweist, leicht im Gewicht ist, leicht bearbeitbar u.ä. ist und mit dem die Verschmutzung mit einem Aufdampfmaterial reduziert werden kann.
4. 4. Der Protektor ist eingebettet am Endabschnitt des Düsenkörpers gekoppelt, was das Zusammensetzen erleichtert.
5. 5. Die Öffnungskante weist eine Abfasung auf, um das Aussetzen an ein Aufdampfmaterial und somit die Verschmutzung dadurch zu reduzieren.
6. 6. Der Endabschnitt des Düsenkörpers kann mit dem Kopfteil mit einem großen Durchmesser abgedeckt werden, damit der Endabschnitt des Düsenkörpers möglichst vor der Verschmutzung durch das Aufdampfmaterial geschützt wird.

According to the above-mentioned technical features, the present invention is characterized by the following effects:

1. 1. The nozzle body is combined with the protector, which consists of a conductive material without a metallic element, which differs from the existing ceramic coating technology.
2. 2. The protector is coupled to the end portion of the nozzle body so as to prevent fouling of the nozzle body with a vapor deposition material during the process.
3. 3. The protector may be made of a graphite material which has the property of high temperature resistance, is light in weight, easy to work, and the like. is and with which the pollution can be reduced with a Aufdampfmaterial.
4. 4. The protector is embedded embedded at the end portion of the nozzle body, which facilitates the assembly.
5. 5. The opening edge has a chamfer in order to reduce the exposure to a Aufdampfmaterial and thus the pollution.
6. 6. The end portion of the nozzle body can be covered with the head portion with a large diameter, so that the end portion of the nozzle body is protected as possible from contamination by the Aufdampfmaterial.

• 1 eine ebene schematische Ansicht der Laser-Bearbeitungsmaschine nach einem Ausführungsbeispiel der vorliegenden Erfindung;
• 2 eine perspektivische Ansicht der Düse nach dem Ausführungsbeispiel der vorliegenden Erfindung;
• 3 eine Querschnittansicht der Düse nach dem Ausführungsbeispiel der vorliegenden Erfindung;
• 4 eine Querschnittansicht nach dem Ausführungsbeispiel der vorliegenden Erfindung bei der Verwendung; und
• 5 eine Querschnittansicht eines weiteren Ausführungsbeispiels der vorliegenden Erfindung.

In the following the invention with reference to preferred embodiments with reference to the drawings will be described in detail. In the drawing shows:

• 1 a planar schematic view of the laser processing machine according to an embodiment of the present invention;
• 2 a perspective view of the nozzle according to the embodiment of the present invention;
• 3 a cross-sectional view of the nozzle according to the embodiment of the present invention;
• 4 a cross-sectional view according to the embodiment of the present invention in use; and
• 5 a cross-sectional view of another embodiment of the present invention.

According to the above technical features, the main effects of the laser processing machine and the nozzle of the present invention will be explained in detail with reference to the following embodiments.

The 1 shows that a laser processing machine according to an embodiment of the present invention, a laser processing machine housing ( 100 ) and a nozzle ( 10 ) on the laser processing machine housing ( 100 ) is mounted. The laser processing machine housing ( 100 ) consists essentially of a laser-generating module ( 101 ) and a focusing module ( 102 ). The focusing module ( 102 ) corresponds to the laser-generating module ( 101 ) with a laser generating module ( 101 ) to focus. It should be noted that the laser generating module ( 101 ) and the focusing module ( 102 ) of the laser processing machine housing ( 100 ) are not the main point of improvement of the present invention and are already known in the related art. For a more detailed description should therefore be omitted.

The 2 and 3 show that the nozzle ( 10 ) substantially from a nozzle body ( 1 ) and a protector ( 2 ) consists. The nozzle body ( 1 ) can be made of copper or a copper alloy, which facilitates the production. In the nozzle body ( 1 ) is a laser passage ( 11 ) educated. In this embodiment, with the end portion ( 12 ) of the nozzle body ( 1 ) a receptacle ( 121 ) and an opening edge ( 122 ) around the receptacle ( 121 ) is formed.

The 3 and 4 show that the protector ( 2 ) embedded at the end portion ( 12 ) of the nozzle body ( 1 ), which simplifies the assembly. In this embodiment, the protector ( 2 ) in the receptacle ( 121 ) of the end section ( 12 ) embedded. Preferably, the opening edge ( 122 ) a chamfering ( 123 ) in order to avoid contamination of the surface with vapor deposition material as possible and so reduce pollution. The protector ( 2 ) has a through hole ( 21 ), which with the laser passage ( 11 ) connected is. The protector ( 2 ) consists essentially of a conductive material that contains no metallic element, but is conductive and for distance measurement of a workpiece (A), for the electrical discharge and the like. can be used. As material of the protector ( 2 ) Graphene, graphite or similar materials can be used. Graphite has the property of high temperature resistance, is light in weight, easy to work, and the like. and can reduce contamination by vapor deposition.

The 5 shows a further embodiment of the present invention, which has a nozzle body ( 1A ) and a protector ( 2A ) as in the above embodiment. With an end section ( 12A ) of the nozzle body ( 1A ), a receptacle ( 121A ) and an opening edge ( 122A ) around the receptacle ( 121A ) is formed.

The 5 again shows a further embodiment of the present invention, which differs from the above-mentioned embodiment in that the protector ( 2A ) substantially from an insert part ( 22A ) and a headboard ( 23A ) consists. A through hole ( 21A ) is through the insert part ( 22A ) and the headboard ( 23A ) educated. The headboard ( 23A ) has a diameter which is greater than that of the insert part ( 22A ). The insert part ( 22A ) is in the receptacle ( 121A ) used. The headboard ( 23A ) leans at the opening edge ( 122A ), wherein with the head part ( 23A ) the opening edge (122A) is covered. The end section ( 12A ) of the nozzle body ( 1A ) can therefore with the headboard ( 23A ) are covered with a large diameter so that the end portion ( 12A ) of the nozzle body ( 1A ) is protected from contamination by the vapor deposition material.

Despite the detailed description of the particular embodiments of the present invention for purposes of illustration, numerous modifications and improvements may be made without departing from the spirit and scope of the present invention. The present invention should therefore not be limited only by the appended claims.

LIST OF REFERENCE NUMBERS

100

Laser processing machine housing

101

Laser generating module

102

focusing module

10

jet

1, 1A

nozzle body

11

Laser passage

12, 12A

end

121, 121A

receptacle

122, 122A

opening edge

123

chamfer

2, 2A

protector

21, 21A

Through Hole

22A

insert

23A

headboard

Claims (10)

A nozzle (10) for a laser processing machine, comprising: a nozzle body (1), wherein in the nozzle body (1) a laser passage (11) is formed; and a protector (2) coupled to an end portion (12) of the nozzle body (1); the protector (2) has a through hole (21) connected to the laser passage (11); the protector (2) consists essentially of a conductive material containing no metallic element. The nozzle after Claim 1 in which graphite is used as the material of the protector (2). The nozzle after Claim 1 or 2 wherein the protector (2) is embedded embedded at the end portion (12). The nozzle after Claim 3 wherein, with the end portion (12), a receptacle (121) and an opening edge (122) formed around the receptacle (121) are formed; the receptacle (121) is configured to receive the protector (2); the opening edge (122) has a chamfer (123). The nozzle after Claim 3 wherein, with the end portion (12), a receptacle (121) and an opening edge (122) formed around the receptacle (121) are formed; the protector (2) consists essentially of an insert part (22A) and a head part (23A); the head part (23A) has a diameter larger than that of the insert part (22A); the insert part (22A) is embedded in the receptacle (121A); the head part (23A) is leaned against the opening edge (122A); covered with the head part (23A) is the opening edge (122A); the through hole (21) is formed by the insert part (22A) and the head part (23A). A laser processing machine comprising: a laser processing machine housing (100); the laser processing machine housing (100) consists essentially of a laser generating module (101) and a focusing module (102); the focusing module (102) corresponds to the laser generating module (101) to focus a laser generated by the laser generating module (101); and a nozzle (10) mounted on the laser processing machine housing (100); the nozzle (10) comprises a nozzle body (1) and a protector (2); in the nozzle body (1) a laser passage (11) is formed; the protector (2) is coupled to an end portion (12) of the nozzle body (1); the protector (2) has a through hole (21) connected to the laser passage (11) and through which the laser beam is passed; the protector (2) consists essentially of a conductive material containing no metallic element. The laser processing machine after Claim 6 in which graphite is used as the material of the protector (2). The laser processing machine after Claim 6 or 7 wherein the protector (2) is embedded embedded at the end portion (12). The laser processing machine after Claim 8 wherein, with the end portion (12), a receptacle (121) and an opening edge (122) formed around the receptacle (121) are formed; the receptacle (121) is configured to receive the protector (2); the opening edge (122) has a chamfer (123). The laser processing machine after Claim 8 wherein, with the end portion (12), a receptacle (121) and an opening edge (122) formed around the receptacle (121) are formed; the protector (2) consists essentially of an insert part (22A) and a head part (23A); the head part (23A) has a diameter larger than that of the insert part (22A); the insert part (22A) is embedded in the receptacle (121A); the head part (23A) is leaned against the opening edge (122A); covered with the head part (23A) is the opening edge (122A); the through hole (21A) is formed by the insert part (22A) and the head part (23A).

Images