Laser cutting device for plane groove

Abstract

The utility model provides a laser cutting device for a plane groove, which comprises a laser head and a swing rotating mechanism, a swing assembly is arranged on the swing rotating mechanism, the laser head is fixedly arranged on the moving end of the swing rotating mechanism, and the laser head comprises a laser interface, a collimation module, a reflection module and a focusing module which are sequentially arranged from top to bottom. A nozzle is arranged at the lower end of the focusing module, and the light emitting direction of the focusing module intersects with the swing circle center of the swing assembly. The laser cutting device has the beneficial effects that the problem that an existing laser cutting device has the high requirement for machine tool compensation can be solved, by using the product structure, the position of the focusing module is adjusted through the reflection module, so that the light emitting direction of the focusing module intersects with the swing circle center of the swing assembly, and after the laser head swings front and back by the same angle, the laser cutting efficiency is improved. The height of the nozzle from the to-be-machined workpiece is consistent when the laser head swings forwards and backwards, the compensation performance of a machine tool in the machining process is reduced, the machining efficiency is improved, and the competitiveness of an enterprise is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cutting device technical field, concretely relates to a laser cutting device for plane groove. BACKGROUND

[0002] With the development of industrial technology, the manufacturing industry in China is facing the transformation of high-end and intelligentization. Facing more and more complex processing occasions, more occasions need five-axis linkage processing, such as pipe cutting, groove cutting and three-dimensional cutting, but at present, axis linkage processing only exists in some high-end equipment, which is expensive and ordinary equipment cannot be popularized.

[0003] In order to solve this problem, the existing ordinary equipment is to add a swing rotating mechanism connected with the laser head on the three-dimensional linear motion module, adjust in XYZ direction at the same time, and increase the rotation in two directions, which is equivalent to five-axis linkage processing of high-end equipment.

[0004] The existing laser cutting device can control the laser head to swing after adding the swing rotating mechanism, adapt to different products, and although five-axis multi-directional cutting can be realized, when the existing laser cutting device swings and cuts, as shown in Figure 1 and Figure 2 , the laser head 1 swings forward and backward by the same angle, the nozzle height of the laser head 1 is compared when swinging forward and backward, and the vertical height of the nozzle and the product below has a large height difference, so that the machine tool needs to be compensated by algorithm after each swing, for a larger height difference, the compensation pressure of the machine tool is larger, the calculation is more complex, the compensation efficiency is lower, and the demand of high efficiency processing cannot be met, which is not conducive to improving the competitiveness of enterprises. INVENTION CONTENTS

[0005] In order to solve the problems in the prior art, the utility model provides a laser cutting device for plane groove, which solves the problem that the existing laser cutting device adopts five-axis linkage processing, and the swing processing has high compensation requirements for the machine tool.

[0006] The utility model relates to a laser cutting device for plane groove, which comprises a laser head and a swing rotating mechanism, a swing assembly is arranged on the swing rotating mechanism, the laser head is fixedly arranged on the movement end of the swing rotating mechanism, the laser head comprises a laser interface, a collimation module, a reflection module and a focusing module arranged in sequence from top to bottom, a nozzle is arranged at the lower end of the focusing module, the reflection module can reflect the light emitted by the collimation module to the focusing module, and the reflection module changes the light emitting direction of the focusing module, and the light emitting direction of the focusing module intersects with the swing center of the swing assembly.

[0007] The utility model disc further improve, swing rotating mechanism still includes rotating subassembly, and laser head is fixedly arranged on the movement end of swing subassembly, and swing subassembly is fixedly arranged on the movement end of rotating subassembly, and rotating subassembly is provided with the mounting connecting flange away from one end of rotating subassembly.

[0008] The utility model disc further improve, and the reflection module includes reflection installation shell and a plurality of reflection mirror, and is provided with upper installation mouth, lower installation mouth and a plurality of reflection corners on reflection installation shell, and a plurality of reflection corners are sequentially adjacent between a plurality of reflection corners, and a plurality of reflection corners form reflection channel, and the number of reflection mirror is same with reflection corner, and reflection mirror is set in corresponding reflection corner, and upper installation mouth is set on the upper end of reflection channel, and lower installation mouth is set in the lower end of reflection channel.

[0009] The utility model disc further improve, and the number of reflection mirror is two, and the number of reflection corner is also two, and two reflection mirrors and two reflection corners are matched one by one.

[0010] The utility model disc further improve, and the collimation module includes collimation installation shell and the collimation mirror drawer and collimation protection mirror drawer that are set in collimation installation shell, and collimation protection mirror drawer is set in the upper of collimation mirror drawer.

[0011] The utility model disc further improve, and the focusing module includes focusing installation shell, laser head sensor and the focusing mirror drawer and focusing protection mirror drawer that are set in focusing installation shell, and focusing protection mirror drawer is set below focusing mirror drawer.

[0012] The utility model disc further improve, and laser head sensor includes laser shell and nozzle subassembly, and nozzle subassembly is fixedly arranged in the lower end of laser shell, and laser shell upper end is fixedly arranged in the lower end of focusing installation shell.

[0013] Compared with the prior art, the utility model discloses a kind of laser cutting device for plane groove, adopt its structure, the problem that existing laser cutting device uses five-axis linkage machining, swing processing, and there is higher requirement to machine tool compensation, by using the product structure, the setting of reflection module, the position of focusing module is adjusted, so that the light direction of focusing module intersects with the swing center of swing subassembly, after laser head swings same angle forward and backward, so that the height of nozzle of laser head swings forward and backward is consistent with the workpiece to be processed, reduce the compensation performance of machine tool in the processing process, improve the processing efficiency, be favorable to improving the competitiveness of enterprise. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the scheme of the utility model or the prior art, the following will be a brief introduction to the drawings needed to be used in the embodiment or the prior art description, obviously, the following description of the drawings is some embodiments of the utility model, for those skilled in the art, without creative labor, other drawings can also be obtained according to these drawings.

[0015] Figure 1 It is a schematic diagram of the laser head of the prior laser head cutting device swinging forward 45 degrees state;

[0016] Figure 2 It is a schematic diagram of the laser head of the prior laser head cutting device swinging backward 45 degrees state;

[0017] Figure 3 It is the structure schematic diagram of the laser cutting device for plane bevel, long dotted line is the light direction of laser head, short dotted line is auxiliary line, and the intersection of short dotted line and long dotted line is swing circle center;

[0018] Figure 4 It is the section view of the laser cutting device for plane bevel, dotted line is the light path direction of laser head;

[0019] Figure 5 It is a schematic diagram of the laser head of the laser cutting device for plane bevel swinging forward 45 degrees state, long dotted line is the light direction of laser head, short dotted line is auxiliary line, and the intersection of short dotted line and long dotted line is swing circle center; Figure 6 It is a schematic diagram of the laser head of the laser cutting device for plane bevel swinging backward 45 degrees state, long dotted line is the light direction of laser head, short dotted line is auxiliary line, and the intersection of short dotted line and long dotted line is swing circle center. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein are the same as commonly understood by one of ordinary skill in the art to which the utility model belongs; The terms used in the specification of the utility model are only for the purpose of describing the specific embodiments, and are not intended to limit the utility model; The specification and claims of the utility model and the above-mentioned drawing description of the terms "include" and "have" and any modification thereof, is intended to cover non-exclusive inclusion. The specification and claims of the utility model or the above-mentioned drawings of the terms "first", "second" and the like are used to distinguish different objects, and are not used to describe a specific order.

[0021] Reference to "an embodiment" in this description means that a particular feature, structure or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. It is expressly understood that any of the various embodiments described in this application can be combined to form additional embodiments.

[0022] In order to make the technical personnel in the technical field better understand the technical scheme of the application, the technical scheme in the embodiments of the application will be clearly and completely described below with reference to the drawings.

[0023] As shown in Figures 3-6 The utility model discloses a laser cutting device for plane groove, including laser head 1 and swing rotation mechanism 2, be provided with swing subassembly 21 on swing rotation mechanism 2, laser head 1 is fixedly arranged on the movement end of swing rotation mechanism 2, and laser head 1 includes by the laser interface 11, collimation module 12, reflection module 13 and focusing module 14 that are sequentially arranged from top to bottom, and the nozzle is arranged at the lower end of focusing module 14, and reflection module 13 can reflect the light that collimation module 12 emits to focusing module 14, and reflection module 13 changes the light emitting direction of focusing module 14 changes laser head 1, and the light emitting direction of focusing module 14 intersects with the swing circle center of swing subassembly 21.

[0024] Through the setting of reflection module 13, the position of focusing module 14 is adjusted, so that the light emitting direction of focusing module 14 intersects with the swing circle center of swing subassembly 21, after laser head 1 swings the same angle forward and backward, effectively control the height consistency of forward swing and backward swing nozzle from the workpiece to be processed, reduce the compensation performance of machine tool in the processing process, improve the processing efficiency, and be favorable to improve the competitiveness of enterprises.

[0025] Swing rotation mechanism 2 still includes rotation subassembly 22, and laser head 1 is fixedly arranged on the movement end of swing subassembly 21, swing subassembly 21 is fixedly arranged on the movement end of rotation subassembly 22, and rotation subassembly 22 is provided with mounting connecting flange away from one end of rotation subassembly 22.

[0026] Through laser head 1 fixedly arranged in swing subassembly 21, the light emitting direction of focusing module 14 can be more easily realized to intersect with the swing circle center of swing subassembly 21, and the requirement of reflection module 13 is reduced.

[0027] The reflection module 13 comprises a reflection mounting shell 131 and a plurality of reflection mirrors 132, the reflection mounting shell 131 is provided with an upper mounting port, a lower mounting port and a plurality of reflection corners, the plurality of reflection corners are sequentially adjacent to each other, and the plurality of reflection corners form a reflection channel, the number of the reflection mirrors 132 is same as that of the reflection corners, and the reflection mirrors 132 are arranged in the corresponding reflection corners.

[0028] The number of the reflection mirrors 132 is two, and the number of the reflection corners is also two, and the two reflection mirrors 132 are matched with the two reflection corners one by one.

[0029] The light emitted by the collimation module 12 is reflected and adjusted twice in angle by the cooperation of the two reflection mirrors 132 and is emitted to the reflection module 13.

[0030] The reflection mounting shell 131 is in a Z shape.

[0031] The collimation module 12 comprises a collimation mounting shell 121, a collimation mirror drawer 122 and a collimation protection mirror drawer 123 arranged in the collimation mounting shell 121, and the collimation protection mirror drawer 123 is arranged above the collimation mirror drawer 122.

[0032] The collimation mirror drawer 122 can be protected by the arrangement of the collimation protection mirror drawer 123.

[0033] The focusing module 14 comprises a focusing mounting shell 141, a laser head sensor 143 and a focusing mirror drawer 142 and a focusing protection mirror drawer arranged in the focusing mounting shell 141, and the focusing protection mirror drawer is arranged below the focusing mirror drawer 142.

[0034] The focusing mirror drawer 142 can be protected by the arrangement of the focusing protection mirror drawer.

[0035] The laser head sensor 143 comprises a laser shell and a nozzle assembly, the nozzle assembly is fixedly arranged at the lower end of the laser shell, and the upper end of the laser shell is fixedly arranged at the lower end of the focusing mounting shell 141.

[0036] As can be seen from the above, the mechanism can effectively solve the problem that the existing laser cutting device adopts five-axis linkage machining, and the swing machining requires high compensation of the machine tool, the position of the focusing module 14 is adjusted by using the product structure and the arrangement of the reflection module 13, so that the light direction of the focusing module 14 intersects with the swing center of the swing assembly 21, the height of the nozzle of the laser head 1 from the workpiece to be machined is consistent after the laser head 1 swings forward and backward by the same angle, the compensation performance of the machine tool in the machining process is reduced, the machining efficiency is improved, and the competitiveness of enterprises is improved.

[0037] The above specific embodiments are preferred embodiments of the present application, and are not intended to limit the specific implementation range of the present application. The range of the present application includes but is not limited to the specific embodiments, and equivalent changes made in accordance with the present application are within the protection scope of the present application.

Claims

1. A laser cutting device for planar bevels, characterized in that: The device includes a laser head and a swing-rotation mechanism. The swing-rotation mechanism is equipped with a swing component. The laser head is fixedly mounted on the moving end of the swing-rotation mechanism. The laser head includes a laser interface, a collimation module, a reflection module, and a focusing module arranged sequentially from top to bottom. A nozzle is provided at the lower end of the focusing module. The reflection module can reflect the light emitted by the collimation module to the focusing module. Furthermore, the reflection module changes the light output direction of the laser head by altering the focusing module. The light output direction of the focusing module intersects with the swing center of the swing component.

2. The laser cutting device for planar beveling according to claim 1, characterized in that: The swing-rotation mechanism further includes a rotation component. The laser head is fixedly mounted on the moving end of the swing component, and the swing component is fixedly mounted on the moving end of the rotation component. A mounting connection flange is provided at the end of the rotation component away from the rotation component.

3. The laser cutting device for planar beveling according to claim 1, characterized in that: The reflection module includes a reflection mounting housing and multiple reflectors. The reflection mounting housing is provided with an upper mounting port, a lower mounting port, and multiple reflection corners. The multiple reflection corners are adjacent to each other and form a reflection channel. The number of reflectors is the same as the number of reflection corners. The reflectors are set in the corresponding reflection corners. The upper mounting port is located at the upper end of the reflection channel, and the lower mounting port is located at the lower end of the reflection channel.

4. The laser cutting device for planar beveling according to claim 3, characterized in that: The number of reflectors is two, and the number of reflective corners is also two, with the two reflectors and the two reflective corners working together in a one-to-one manner.

5. The laser cutting device for planar beveling according to claim 1, characterized in that: The collimation module includes a collimation mounting housing and a collimation lens drawer and a collimation protection lens drawer disposed within the collimation mounting housing, with the collimation protection lens drawer disposed above the collimation lens drawer.

6. The laser cutting device for planar beveling according to claim 1, characterized in that: The focusing module includes a focusing mounting housing, a laser head sensor, and a focusing lens drawer and a focusing protective lens drawer disposed within the focusing mounting housing, with the focusing protective lens drawer disposed below the focusing lens drawer.

7. The laser cutting device for planar beveling according to claim 6, characterized in that: The laser head sensor includes a laser housing and a nozzle assembly. The nozzle assembly is fixedly disposed at the lower end of the laser housing, and the upper end of the laser housing is fixedly disposed at the lower end of the focusing mounting housing.

Images