CN110340544A - A gantry-type three-dimensional five-axis laser cutting machine - Google Patents

Abstract

The invention provides a gantry-type three-dimensional five-axis laser cutting machine, which includes a laser device and a machine tool frame, and also includes a laser protection room, a three-dimensional laser cutting head, an xyz three-axis platform for driving the three-dimensional laser cutting head, and a rotary device for installing workpieces to be cut The workbench, the three-dimensional laser cutting head includes the rotation axis C axis installed on the xyz three-axis platform and controls the light-emitting member, and the swing axis A-axis installed on the xyz three-axis platform and controls the light-emitting member. The xyz three-axis platform is erected on On the machine frame, the rotary table is installed on one side of the machine frame, the machine frame is located inside the laser protection room, the rotary table is at least partly located outside the laser protection room, and the outside of the laser protection room is also equipped with an installation device. The outer side of the present invention is equipped with a laser protection room, and the rotary table can be rotated horizontally by 180° to quickly send the workpiece to be cut to the laser cutting place. Accidents happen.

Description

A gantry-type three-dimensional five-axis laser cutting machine

technical field

The invention relates to the field of laser cutting, in particular to a gantry-type three-dimensional five-axis laser cutting machine.

Background technique

Nowadays, laser cutting technology has been widely used in all walks of life. In addition to cutting standardized plates and pipes, it is also necessary to consider cutting three-dimensional parts with complex curved surface structures, such as thermoformed parts in the automotive industry and aerospace industry. Wrapping etc.

In the field of cutting and processing of three-dimensional parts, the peripheral protection measures of laser cutting machines are often not comprehensive enough, and industrial accidents often occur. In addition, the delivery efficiency of some rotary tables that transport workpieces to be cut is not high, which affects the laser cutting machine. overall efficiency.

Contents of the invention

The object of the present invention is to overcome the defects of the prior art and provide a gantry-type three-dimensional five-axis laser cutting machine with excellent efficiency and safety.

The present invention is achieved like this:

The invention provides a gantry-type three-dimensional five-axis laser cutting machine, which includes a laser device and a machine tool frame, and also includes a laser protection room, a three-dimensional laser cutting head, an xyz three-axis platform for driving the three-dimensional laser cutting head, and a rotary device for installing workpieces to be cut The workbench, the three-dimensional laser cutting head includes the rotation axis C axis installed on the xyz three-axis platform and controls the light-emitting member, and the swing axis A-axis installed on the xyz three-axis platform and controls the light-emitting member, the xyz three-axis The shaft platform is erected on the machine tool frame, the rotary table is installed on one side of the machine tool frame, the machine tool frame is located inside the laser protection room, the rotary table is at least partly located outside the laser protection room, and the There is also an installation device on the outside of the laser protection room.

Preferably, the safety device includes two protective fences and two safety light curtain assemblies, the two protective fences and the laser protective enclosure form a rectangular area with an opening facing the rotary table, and the two safety light curtain assemblies form a The light curtain is located within a rectangular area.

Preferably, the safety device further includes a safety radar whose sensing area overlaps with the light curtain, and the safety radar is installed on the laser protection room and faces the opening.

Preferably, the laser protection room is a full sheet metal floor structure.

As a preference, the laser protection room is provided with a double door on both sides perpendicular to the rotary table, and an observation window is provided on the double door, and a contact sensor switch is installed on the inner side of the two double doors.

Preferably, the machine tool frame includes two bridge-shaped arched box structures, the two bridge-shaped arched box structures are relatively spaced apart, and the two ends of the bridge-shaped arched box structures pass through two High-strength rectangular tubes are connected, one of which is welded, and the other is connected by direct pins.

As a preference, several mounting positions for lifting lugs are reserved inside the machine tool frame.

As a preference, the rotary table includes a large base, a cam-type turntable is installed on the large base, a rotating platform is installed on the cam-type turntable, and two clamp brackets are respectively installed on both sides of the rotating platform. Positioning pins and installation holes for installing the fixture are arranged on the fixture bracket, and a solenoid valve is arranged in the rotary table.

Preferably, the gantry-type three-dimensional five-axis laser cutting machine further includes an electrical cabinet, and the electrical cabinet is installed on a side of the machine frame away from the rotary table.

The present invention has the following beneficial effects:

The gantry-type three-dimensional five-axis laser cutting machine provided by the present invention has a laser protection room on the outside, and the rotary table is at least partly located outside the laser protection room, and the rotary table can be rotated horizontally by 180° to quickly send the workpiece to be cut to the laser cutting place , the exposed part of the rotary table has double protection through the safety light curtain assembly and the safety radar, which effectively avoids the occurrence of safety accidents. In addition, the two side doors opened in the laser protection room are also equipped with contact sensor switches, which trigger The switch then turns the workbench to stop running. The present invention protects the personal safety of the staff in all directions and effectively avoids the occurrence of safety accidents. The present invention has simple structure, high working efficiency and great practical value.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the front view of the gantry-type three-dimensional five-axis laser cutting machine provided by the embodiment of the present invention;

Fig. 2 is the rear view of the gantry-type three-dimensional five-axis laser cutting machine provided by the embodiment of the present invention;

Fig. 3 is the overall layout diagram of the gantry-type three-dimensional five-axis laser cutting machine provided by the embodiment of the present invention;

Fig. 4 is a schematic diagram of the internal structure of the gantry-type three-dimensional five-axis laser cutting machine provided by the embodiment of the present invention;

Fig. 5 is a schematic diagram of the internal structure of the gantry-type three-dimensional five-axis laser cutting machine provided by the embodiment of the present invention;

Fig. 6 is a schematic diagram of a rotary table provided by an embodiment of the present invention;

Fig. 7 is a schematic diagram of a three-dimensional laser cutting head provided by an embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figures 1 to 7, the embodiment of the present invention provides a gantry-type three-dimensional five-axis laser cutting machine, including a laser 1 and a machine tool frame 10, and also includes a laser protection room 5, a three-dimensional laser cutting head 14, and a driving three-dimensional laser cutting head The xyz three-axis platform and the rotary table 15 for installing the workpiece to be cut, the three-dimensional laser cutting head 14 includes a rotation axis C axis 17 and a swing axis A axis 18, the rotation axis C axis 17 can rotate infinitely, and the swing axis A axis 18 The swing range is ±135°, as shown in Figure 7, in this embodiment, the rotation axis C-axis 17 and the swing axis A-axis 18 are integrally formed, the xyz three-axis platform is erected on the machine tool frame 10, and the rotary table 15 is installed on one side of the machine tool frame 10, the machine tool frame 10 is located inside the laser protection room 5, the rotary table 15 is at least partly located outside the laser protection room 5, and the outside of the laser protection room 5 is also provided with There are installation devices.

Preferably, the safety device includes two protective fences 6 and two safety light curtain assemblies 7, the two protective fences 6 and the laser protection room 5 surround and form a rectangular area with an opening facing the rotary table 15, the two said The light curtain formed by the safety light curtain assembly 7 is located in a rectangular area.

Preferably, the safety device further includes a safety radar 8 whose sensing area overlaps with the light curtain, and the safety radar 8 is installed on the laser protection room 5 and faces the opening.

In this embodiment, the safety device includes a protective fence 6, a safety light curtain assembly 7 and a safety radar 8. The safety light curtain assembly 7 is placed in a rectangular area, and the two sides are surrounded by protective fences 6 to protect the entire rotary table area. , once people enter this area, the rotating table 15 stops rotating. The safety radar sensing area overlaps with the light curtain, and once a person enters the area, the rotating workbench 15 stops rotating, thus playing a dual protection function.

Preferably, the laser protection room 5 is a floor-to-ceiling structure of all sheet metal, with beautiful appearance and simple installation, which can effectively avoid the harm caused by laser radiation.

As a preference, the laser protection room 5 adopts a floor-to-ceiling structure of full sheet metal. There is a double door on the left and right for people to enter and exit. There is an observation window on the door, and a contact sensor switch is installed on the inside of each door. Workbench stopped working. The forward opening of the protective room is seamlessly connected with the screen of the rotating workbench.

Preferably, the machine tool frame 10 includes two bridge-shaped arched box structures, the two bridge-shaped arched box structures are relatively spaced apart, and the two ends of the two bridge-shaped arched box structures pass through two bridge-shaped arched box structures. It is connected with two high-strength rectangular tubes, one of which is welded, and the other is connected by direct pins. In this embodiment, the machine tool frame 10 is integrally welded and formed with a four-column gantry frame structure. The front and rear girders of the bed body adopt a bridge-type arched box structure, and the left and right sides are connected by two high-strength rectangular tubes. , one of which is welded, and the other is connected with a direct pin. After the bed is in place as a whole, the machine tool foot and the embedded part of the foundation are welded firmly, and the rectangular tube connected with a pin is removed to facilitate the entry and exit of personnel. In addition, to ensure the strength, the opening in the middle of the rear side girder is also welded with a rectangular tube, and the front side is not welded to leave the installation position of the rotary table 15.

As a preference, four lifting lug installation positions are reserved inside the machine tool frame 10 for overall hoisting.

As preferably, as shown in Figure 6, the rotary table 15 adopts a double-station structure, a cam type turntable 20 is installed on the large base 19, a rectangular structure rotary platform 21 is installed on the cam type turntable 20, and the rotary platform 21 is opposite Two clamp brackets 22 are respectively installed at both ends. When the two clamp brackets 22 at one end are located at the place to be cut, the two clamp brackets 22 at the other end can continue to feed materials, which speeds up the welding efficiency. The clamp bracket 22 is processed with positioning Pin, mounting hole and fixture installation plate 23 are used for fixture installation, and the 4 meters long screen that welds is installed above the rotating platform 21, and electromagnetic valve mounting position 24 is reserved inside.

As a preference, the gantry type three-dimensional five-axis laser cutting machine also includes an electrical cabinet 16, the electrical cabinet is installed on the side of the machine tool frame 10 away from the rotary table 15, and the electrical cabinet 16 is installed behind the machine tool frame with screws On the side girder, use the adjustable feet to unload the force and adjust the level, and the appearance is integrated with the sheet metal protective room.

The gantry type three-dimensional five-axis laser cutting machine provided by the present invention includes a machine tool frame 10, an X-axis assembly 11, a Y-axis assembly 12, a Z-axis assembly 13, an electrical cabinet 16, a rotary table 15, a three-dimensional laser cutting head 14, a laser Protective room 5, safety device, and peripheral configuration.

The X-axis assembly 11 includes a moving beam and an X-axis driving assembly, and the main processing part of the beam adopts a double-bracket frame structure with a large cross-sectional area. The beam body is mainly welded with high-strength 3mm thick Q345 steel. The X-axis drive assembly includes two X-axis guide rails laid flat on the machine frame, a slider connected to the moving beam, a high-speed high-torque servo motor, and a rack-and-pinion transmission mechanism. The transmission mode of the X-axis is a synchronous drive form of bilateral rack and pinion, the maximum linear speed reaches 100m/min, and the maximum acceleration is 1G.

The Y-axis assembly 12 includes an L-shaped cast aluminum part and a Y-axis drive assembly, and the L-shaped cast aluminum part is cast from ZL101A through T6 solution treatment. The Y-axis drive assembly includes the main guide rail on the upper end of the beam and the auxiliary guide rail on the side end, a slider connected to the L-shaped aluminum casting, a high-speed high-torque servo motor, and a rack-and-pinion transmission mechanism. The transmission mode of Y axis is unilateral drive of rack and pinion, the maximum linear speed reaches 100m/min, and the maximum acceleration is 1G.

The Z-axis assembly 13 includes a cylindrical cast aluminum part for installing a three-dimensional laser cutting head and a Z-axis drive assembly, and the cylindrical cast aluminum part is casted by ZL101A through T6 solution treatment. The Z-axis drive assembly includes two guide rails on the cylindrical cast aluminum part, a slider installed on the L-shaped cast aluminum part, a high-speed high-torque servo motor, and a rack and pinion transmission mechanism. The transmission mode of Z-axis is unilateral drive of rack and pinion, the maximum linear speed reaches 100m/min, and the maximum acceleration is 1G.

Peripheral configuration includes fiber laser 1, chiller 2, regulated power supply 3, dust collector 4, and operation table 9.

The machine tool frame 10 is integrally welded and formed, and has good rigidity and stability after sufficient heat treatment. The installation is convenient and fast, and the whole machine can be hoisted integrally. The moving beam adopts a double-bracket frame structure with a large cross-sectional area, welded with 3mm thick high-strength steel plates, and has the characteristics of light weight and high strength. The X-axis, Y-axis and Z-axis can all reach a linear speed of 100m/min and an acceleration of 1G. The machine tool runs stably and the cutting quality is good.

When working, the operator puts the workpiece to be cut on the fixture on the outside of the protective room on the rotary table. After the operator leaves the rotating area of the worktable, he presses the recovery button, and the clamping device on the fixture clamps the workpiece through the cylinder and the connecting rod mechanism. , the rotary table 15 rotates horizontally by 180° to send the workpiece into the cutting area of the machine tool. The five-axis linkage of the machine tool cuts the workpiece, and the whole cutting is carried out in the protective room. During the cutting process, blanking and loading are carried out at the station turned out by the rotary table 15 . Press the resume button when finished, and so on. The time for each rotation of the rotary table is about 3s, and the cutting time for an automobile B-pillar part is about 50s.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (9)

1. a kind of three-dimensional five axis laser cutting machines of planer-type, including laser and machine tool frame, it is characterised in that: further include laser Protection room, dimension laser cutting head, the xyz three-axis platform for driving dimension laser cutting head and the rotation work for installing workpiece to be cut Make platform, the dimension laser cutting head includes being installed on xyz three-axis platform and controlling out the rotary shaft C axis of light component and install On xyz three-axis platform and the swinging axle A axis of light component is controlled out, the xyz three-axis platform is set up on machine tool frame, described Rotary table is installed in the side of machine tool frame, and the machine tool frame is located on the inside of lasing safety room, the rotary table It is at least partially disposed on the outside of lasing safety room, is additionally provided with mounting device on the outside of the lasing safety room.

2. the three-dimensional five axis laser cutting machines of planer-type as described in claim 1, it is characterised in that: the safety device includes two A protective fence and two safe light curtain components, two protective fences and lasing safety room enclose and at opening face rotary works The rectangular area of platform, the light curtain that the two safe light curtain components are formed are located in rectangular area.

3. the three-dimensional five axis laser cutting machines of planer-type as claimed in claim 2, it is characterised in that: the safety device further includes The safe radar that induction region is overlapped with light curtain, the safe radar are installed on lasing safety room and opening described in face.

4. the three-dimensional five axis laser cutting machines of planer-type as described in claim 1, it is characterised in that: the lasing safety Fang Weiquan Metal plate lands structure.

5. the three-dimensional five axis laser cutting machines of planer-type as described in claim 1, it is characterised in that: the lasing safety room is vertical It is respectively provided with a double door in the two sides of rotary table, the double door is equipped with watch window, two double door insides It is mounted on contact inductive switch.

6. the three-dimensional five axis laser cutting machines of planer-type as described in claim 1, it is characterised in that: the machine tool frame includes two A bridge type arch body structure, the two bridge type arch body structure relative spacing settings, the two bridge type arch casees The both ends of body structure pass through two high-intensitive rectangular tubes and are connected, wherein a rectangular tube is using welding, an other rectangular tube It is connected using selling directly to households.

7. the three-dimensional five axis laser cutting machines of planer-type as described in claim 1, it is characterised in that: pre- on the inside of the machine tool frame Several are stayed to lift by crane lifting lug installation position.

8. the three-dimensional five axis laser cutting machines of planer-type as described in claim 1, it is characterised in that: the rotary table includes Big pedestal is installed on cam-type turntable on the big pedestal, rotating platform, the rotary flat is installed on the cam-type turntable Two fixture mounts are respectively installed at the opposite both ends of platform, and the fixture mount is equipped with positioning pin and installation for installs fixture Hole, the rotary table is interior to be equipped with solenoid valve.

9. the three-dimensional five axis laser cutting machines of planer-type as described in claim 1, it is characterised in that: it further include electrical cabinet, it is described Electrical cabinet, which is installed, deviates from the side of rotary table in machine tool frame.