CN112059443A - Large Format Laser Cutting Machine - Google Patents

Abstract

The invention discloses a large-breadth laser cutting machine which comprises a rack main body, an adsorption platform, a positioning mechanism, a camera moving mechanism and a multi-galvanometer laser generating mechanism, wherein the adsorption platform is arranged on the rack main body; a feed inlet and a discharge outlet are formed in two side walls of the frame main body; the interior of the frame main body is divided into an upper layer and a lower layer through a working platform; the adsorption platform is fixed on the top surface of the working platform and is used for adsorbing conveyed coil materials; the positioning mechanism is arranged on the top surface of the working platform and used for pressing the coil stock during laser cutting processing; the camera moving mechanism is arranged on the side wall above the working platform and can control the camera to move in the X-axis direction and the Y-axis direction above the coil stock; the multi-galvanometer laser generating mechanism is positioned above the camera moving mechanism and used for carrying out laser cutting processing on the coil stock of the adsorption platform. The invention adopts a multi-galvanometer structure to form a large breadth of a multi-laser cutting breadth for carrying out fixed-point laser splicing cutting, thereby greatly improving the working efficiency; and there is no risk of impact and thus damage to the laser generator.

Description

Large Format Laser Cutting Machine

technical field

The invention relates to the technical field of laser cutting and marking technology, and more particularly to a large-format laser cutting machine.

Background technique

At present, in the existing laser cutting and marking process, a single laser generator for a single workpiece prevails, and the cutting width is small. The conventional galvanometer laser cutting width is only 50 × 50 mm, and the cutting width is small, and a single galvanometer is generally used. Laser marking cannot be spliced and cut, which is difficult, poor in precision, and slow in cutting efficiency. After the cutting is completed, manual inspection with instruments cannot find NG products in time. The process of sampling inspection is not applicable, which affects the speed and accuracy of cutting production, increases production costs, is prone to precision errors, or produces batches of defective products.

The existing large-format cutting equipment performs large-format cutting by dragging the laser generator to move through the X-axis and Y-axis mechanisms. As we all know, laser generators and galvanometers are high-precision precision components. Generally, laser generators are not allowed to move. Once they move, there is a risk of collision, which will damage high-precision components such as laser generators and galvanometers.

Therefore, how to provide a large-format laser cutting machine with large cutting width and fast cutting speed without causing damage to instruments such as laser generators and galvanometers is an urgent problem for those skilled in the art to solve.

SUMMARY OF THE INVENTION

In view of this, the present invention provides a large-format laser cutting machine, aiming at solving the above technical problems.

In order to achieve the above object, the present invention adopts the following technical solutions:

A large-format laser cutting machine, comprising: a frame body, an adsorption platform, a positioning mechanism, a camera moving mechanism and a multi-galvo mirror laser generating mechanism;

The frame main body is a rectangular box structure, and the corresponding two side walls are respectively provided with a feeding port and a discharging port; the inside of the frame main body is divided into upper and lower layers by a working platform;

The adsorption platform is fixed on the top surface of the working platform, and is located between the feeding port and the discharging port, and is used for adsorbing the bottom surface of the conveyed coil material;

The positioning mechanism is installed on the top surface of the working platform, and is located on both sides of the adsorption platform along the feeding direction, and is used for pressing the coil material on the adsorption platform during laser cutting;

The camera moving mechanism is installed on the side wall above the working platform, and can control the camera to move in the X-axis and Y-axis directions above the coil;

The multi-galvo-mirror laser generating mechanism is located above the camera moving mechanism, and is installed on the gantry beam fixed between the two side walls of the frame body; the multi-galvo-mirror laser generating mechanism is used for The coil material of the adsorption platform is laser cut.

Through the above technical solutions, the present invention adopts a multi-galvo mirror structure to form a large format with multiple laser cutting widths for fixed-point laser splicing and cutting, and the maximum cutting range of a single laser galvanometer is 262mm × 262mm. In general, double laser galvanometers can be used for cutting. To meet the needs, the maximum cutting range of the dual-laser galvanometer is 514mm×262mm, which greatly improves the work efficiency; therefore, the cutting and splicing can be completed without the movement of the multi-galvo-mirror laser generating mechanism, and there is no risk of impact and damage to the laser generator. .

Preferably, in the above-mentioned large-format laser cutting machine, a plurality of vacuum suction cups are evenly distributed on the surface of the suction platform. It can realize the adsorption and fixation of the coil material.

Preferably, in the above-mentioned large-format laser cutting machine, the positioning mechanism includes a first lifting cylinder and a pressure plate; the first lifting cylinder is divided into two groups, and the number of each group is two. The first lifting cylinder is symmetrically fixed on both sides of the adsorption platform, and can achieve vertical telescopic movement; the number of the pressing plates is two, and the edges of the two pressing plates are respectively connected with the two sets of the first lifting and lowering cylinders. The telescopic end of the cylinder is fixed; the two pressing plates are parallel to the working platform and correspond to the two edges of the coil material respectively. The first lift cylinder controls the platen to move up and down. When the coil material passes through the adsorption platform, the first lift cylinder rises. When the coil material is in place, the adsorption platform absorbs the coil material, the first lift cylinder descends, presses the coil material, and the laser starts to work. , After the operation is completed, the first lifting cylinder rises, and the coil material flows out. The overall structure can ensure the normal transportation and stable cutting of the coil material.

Preferably, in the above-mentioned large-format laser cutting machine, a positioning roller for guiding the coil material is rotatably connected to the inner side of the feeding port and the discharging port; the axis direction of the positioning roller is related to the conveying of the coil material. Orientation is vertical. It can effectively improve the stability of coil conveying.

Preferably, in the above-mentioned large-format laser cutting machine, the camera moving mechanism further includes an X-axis moving assembly and a Y-axis moving assembly; the X-axis moving assembly is slidably connected to the rear side wall of the frame body , and can be moved in the horizontal plane along the coil conveying direction through the cooperation of the screw nut and the screw; the Y-axis moving component is slidably connected to the X-axis moving component, and can be moved by the screw nut and the screw. The movement in a horizontal plane perpendicular to the conveying direction of the roll material is realized by cooperation; the camera is fixed on the Y-axis moving component. The X-axis moving assembly and the Y-axis moving assembly for driving the camera provided by the present invention are conventional prior art, which can be realized by the cooperation of the nut and the lead screw, and of course, other structural forms such as a cylinder or a slideway can also be used. Realization, this structure is very common in the existing three-axis robot, and is not the focus of the present invention, and will not be repeated here. It is important that the X-axis moving component and the Y-axis moving component drive the camera to move back and forth, left and right, to find the reference point, and then position it to achieve precise cutting.

Preferably, in the above-mentioned large-format laser cutting machine, the multi-galvanometer laser generating mechanism includes a galvanometer sliding track, a galvanometer, a fine-tuning assembly and a laser generator; the sliding track is along the length of the gantry beam The direction is fixed on the top surface of the gantry beam; the number of the galvanometer mirrors is at least two, and they are respectively slidably connected on the sliding track of the galvanometer mirror, and the laser cutting width of the galvanometer mirror covers the roll material below; The number of the fine-tuning components is the same as the number of the galvanometers, and is fixed on the gantry beam, and is located on the outer side of the sliding track of the galvanometer; the number of the laser generators is the same as the number of the fine-tuning components. The number is the same, and they are installed on the top surface of the fine-tuning assembly, and are respectively used to emit laser light to the corresponding galvanometers; the fine-tuning assembly can drive the laser generator through the layered and cross-fitted slide rail structure. Movement in the X-axis and Y-axis directions. The position of the two galvanometers can be adjusted manually on the sliding track of the galvanometer according to the requirements. Similarly, the position of the laser generator can be fine-tuned by adjusting the fine-tuning component. The fine-tuning component is conventional and can realize the position adjustment in two directions. The structure is very common in the existing three-axis robots. More simply, the fine-tuning component can only be adjusted manually without a driving mechanism, and the structure is simpler; through the coordination of the galvanometer and the laser generator, it can meet the requirements of the laser The use requirements of cutting can be adjusted before cutting, and no adjustment is required during the cutting process, which can effectively reduce the risk of impact and damage to the laser generator.

Preferably, in the above-mentioned large-format laser cutting machine, support beams for connecting two ends of the gantry beam are respectively fixed on the two side walls of the frame main body with the feeding port and the discharging port. The setting of the support beam is convenient for the installation and fixation of the gantry beam.

Preferably, in the above-mentioned large-format laser cutting machine, an industrial computer host is installed on the lower layer of the frame body; a computer monitor and a keyboard are installed on the outer side wall of the frame body through a rotating adjustment bracket. It can realize the intelligent control of the instrument, and at the same time, it has the function of self-checking, which greatly reduces the labor cost.

Preferably, in the above-mentioned large-format laser cutting machine, the lower side wall and the upper side wall of the frame body are evenly provided with heat dissipation holes, the top wall of the frame body is provided with an exhaust fan, and the frame body is provided with an exhaust fan. The four corners of the bottom wall of the main body are provided with four foot cups; the top wall of the rack main body is provided with an alarm light. It can achieve good heat dissipation and has an abnormal alarm function.

Preferably, the above-mentioned large-format laser cutting machine further includes two auxiliary support mechanisms respectively located between the two ends of the adsorption platform and the feed port and the discharge port; the auxiliary support mechanism includes a first support mechanism. Two lift cylinders and a support plate; the number of the second lift cylinders is two, and they are symmetrically fixed on both sides of the coil, enabling vertical telescopic movement; the two ends of the support plate are respectively connected to The telescopic ends of the two second lift cylinders are fixed. The support plate is lifted up and down with the cooperation of the second lift cylinder, which can assist the adsorption platform to support the coil material.

As can be seen from the above technical solutions, compared with the prior art, the present invention provides a large-format laser cutting machine, which has the following beneficial effects:

1. The present invention adopts a multi-galvanometer structure to form a large format with multiple laser cutting widths for fixed-point laser splicing and cutting. The maximum range of single-laser galvanometer cutting is 262mm×262mm. Generally, double laser galvanometers can be used for cutting to meet the requirements. The maximum cutting range of the dual laser galvanometer is 514mm×262mm, which greatly improves the work efficiency.

2. The present invention does not require the movement of the multi-galvo-mirror laser generating mechanism to complete the cutting and splicing, and there is no risk of impact to damage the laser generator.

3. The present invention has a self-checking function, which greatly reduces labor costs.

4. The invention adopts ultraviolet cold light processing, which has high precision, little blackening and high cutting precision.

5. The present invention can use the combination of two sets of galvanometers and laser generators or a combination of multiple sets of galvanometers and laser generators to form a larger width for cutting.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying 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 It is an embodiment of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative work.

Fig. 1 accompanying drawing is the front view of the large-format laser cutting machine provided by the present invention;

2 is a schematic structural diagram of a large-format laser cutting machine provided by the present invention;

Figure 3 is a schematic diagram of the structure of the adsorption platform provided by the present invention and the positioning mechanism acting together on the coil;

Figure 4 is a side view of the adsorption platform and the positioning mechanism acting together on the roll material provided by the present invention.

in:

01-frame main body; 010-feed port; 011-discharge port; 012-work platform; 013-gantry beam; 014-positioning roller; 015-support frame; 016-heating hole; 017-exhaust fan; 018-foot cup;

02-adsorption platform; 020-vacuum suction cup;

03-positioning mechanism; 030-first lifting cylinder; 031-pressing plate;

04-Camera moving mechanism; 040-Camera; 041-X-axis moving component; 042-Y-axis moving component;

05-multi-galvanometer laser generating mechanism; 050-galvanometer sliding track; 051-galvanometer; 0510-laser cutting width; 052-fine adjustment assembly; 053-laser generator;

06- coil material;

07-Industrial computer host;

08- Rotation adjustment bracket;

09-computer monitor;

10 - keyboard;

11- warning light;

12-Auxiliary support mechanism;

120-Second lift cylinder; 121-Support plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to Figures 1 to 4, an embodiment of the present invention discloses a large-format laser cutting machine, including: a frame body 01, an adsorption platform 02, a positioning mechanism 03, a camera moving mechanism 04 and a multi-galvo mirror laser generating mechanism 05 ;

The frame main body 01 is a rectangular box structure, and its corresponding two side walls are respectively provided with a feeding port 010 and a discharging port 011; the inside of the frame main body 01 is divided into upper and lower layers by the working platform 012;

The adsorption platform 02 is fixed on the top surface of the working platform 012, and is located between the feeding port 010 and the discharging port 011, and is used for adsorbing the bottom surface of the conveyed coil material 06;

The positioning mechanism 03 is installed on the top surface of the working platform 012, and is located on both sides of the adsorption platform 02 along the feeding direction, for pressing the coil 06 on the adsorption platform 02 during laser cutting;

The camera moving mechanism 04 is installed on the side wall above the work platform 012, and can control the camera 040 to move in the X-axis and Y-axis directions above the coil material 06;

The multi-galvo-mirror laser generating mechanism 05 is located above the camera moving mechanism 04, and is installed on the gantry beam 013 fixed between the two side walls of the frame body 01; material for laser cutting.

In order to further optimize the above technical solution, a plurality of vacuum suction cups 020 are evenly distributed on the surface of the adsorption platform 02 .

In order to further optimize the above technical solution, the positioning mechanism 03 includes a first lifting cylinder 030 and a pressure plate 031; the first lifting cylinder 030 is divided into two groups, and the number of each group is two, and the two groups of first lifting cylinders 030 are symmetrically fixed in the suction The two sides of the platform 02 can realize the telescopic movement in the vertical direction; the number of the pressing plates 031 is two, and the edges of the two pressing plates 031 are respectively fixed with the telescopic ends of the two sets of first lifting cylinders 030; The working platform 012 is parallel and corresponding to the two edges of the roll material 06 respectively.

In order to further optimize the above technical solution, a positioning roller 014 for guiding the coil material 06 is rotatably connected to the inner side of the feeding port 010 and the discharging port 011;

In order to further optimize the above technical solution, the camera moving mechanism 04 also includes an X-axis moving assembly 041 and a Y-axis moving assembly 042; the X-axis moving assembly 041 is slidably connected to the rear side wall of the frame main body 01, and can pass through the nut and the wire The cooperation of the screw realizes the movement in the horizontal plane along the conveying direction of the coil material 06; Movement in the horizontal plane; the camera 040 is fixed on the Y-axis moving component 042.

In order to further optimize the above technical solution, the multi-galvanometer laser generating mechanism 05 includes a galvanometer sliding track 050, a galvanometer 051, a fine-tuning assembly 052 and a laser generator 053; the sliding track 050 is fixed on the gantry beam along the length direction of the gantry beam 013 The top surface of 013; the number of galvanometers 051 is at least two, and they are respectively slidably connected on the galvanometer sliding track 050, and the laser cutting width 0510 of the galvanometer 051 covers the roll material 06 below; the number of fine-tuning components 052 and the galvanometer The number of 051 is the same, and it is fixed on the gantry beam 013, and is located on the outside of the galvanometer sliding track 050; They are respectively used to emit laser light to the corresponding galvanometers 051; the fine-tuning assembly 052 can drive the laser generator 053 to move in the X-axis and Y-axis directions through a layered and cross-fitted slide rail structure.

In order to further optimize the above technical solution, the two side walls of the frame main body 01 having the feeding port 010 and the discharging port 011 are respectively fixed with supporting beams 015 for connecting the two ends of the gantry beam 013 .

In order to further optimize the above technical solution, the lower layer of the rack main body 01 is installed with an industrial computer mainframe 07 ;

In order to further optimize the above technical solution, the lower side wall and the upper side wall of the rack main body 01 are evenly provided with heat dissipation holes 016, the top wall of the rack main body 01 is provided with an exhaust fan 017, and the four corners of the bottom wall of the rack main body 01 are provided with four feet Cup 018; the top wall of the rack main body 01 has an alarm light 11.

In order to further optimize the above technical solution, it also includes two auxiliary support mechanisms 12 located between the two ends of the adsorption platform 02 and the feed port 010 and the discharge port 011 respectively; the auxiliary support mechanism 12 includes a second lift cylinder 120 and a support plate 121 The number of the second lifting cylinders 120 is two, and they are symmetrically fixed on both sides of the coil 06, which can realize the telescopic movement in the vertical direction; End fixed.

The working method of the present invention is:

First of all, it should be noted that there are respectively a feeder for feeding and a receiver for receiving on the outer sides of the feeding port 010 and the discharging port 011 of the frame main body 01 .

The large-format laser cutting machine provided by the present invention is composed of a feeder and a feeder. The processing first passes through the feeder, feeds the material from the direction of the feed port 010, and then passes through the positioning roller 014 and then transports it to the top of the adsorption platform 02. Positioning The mechanism 03 positions the two sides of the coil material 06, the vacuum suction cup 020 absorbs the coil material 06, the X-axis moving component 041 and the Y-axis moving component 042 drive the camera 040 to move back and forth, left and right to find the reference point, and then locate, and the galvanometer 051 is fixed. Laser splicing and cutting, the maximum range of single laser galvanometer cutting is 262mm×262mm, and the maximum range of double laser galvanometer cutting is 514mm×262mm, which improves the cutting efficiency, and does not require laser generator 053 and galvanometer 051 for X-axis and Y-axis movement. After the cutting is completed, the material is discharged from the discharge port 011, and then enters the receiver.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant part can be referred to the description of the method.

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A large format laser cutting machine, comprising: the device comprises a rack main body (01), an adsorption platform (02), a positioning mechanism (03), a camera moving mechanism (04) and a multi-galvanometer laser generating mechanism (05);

the rack main body (01) is of a rectangular box structure, and a feeding port (010) and a discharging port (011) are respectively formed in two corresponding side walls of the rack main body; the interior of the rack main body (01) is divided into an upper layer and a lower layer through a working platform (012);

the adsorption platform (02) is fixed on the top surface of the working platform (012), is positioned between the feed port (010) and the discharge port (011), and is used for adsorbing the bottom surface of the conveyed coil stock (06);

the positioning mechanism (03) is arranged on the top surface of the working platform (012), is positioned on two sides of the adsorption platform (02) along the feeding direction, and is used for pressing the coil stock (06) on the adsorption platform (02) during laser cutting processing;

the camera moving mechanism (04) is arranged on the side wall above the working platform (012), and can control the camera (040) to move in the X-axis direction and the Y-axis direction above the coil stock (06);

the multi-galvanometer laser generating mechanism (05) is positioned above the camera moving mechanism (04) and is arranged on a portal frame beam (013) fixed between two side walls of the rack main body (01); and the multi-vibrating-mirror laser generation mechanism (05) is used for carrying out laser cutting processing on the coil stock of the adsorption platform (02).

2. The large format laser cutting machine according to claim 1, characterized in that a plurality of vacuum suction cups (020) are uniformly distributed on the surface of the suction platform (02).

3. The large format laser cutting machine according to claim 1, wherein the positioning mechanism (03) comprises a first lifting cylinder (030) and a pressure plate (031); the first lifting cylinders (030) are divided into two groups, the number of each group is two, the two groups of first lifting cylinders (030) are symmetrically fixed on two sides of the adsorption platform (02) and can realize telescopic motion in the vertical direction; the number of the pressure plates (031) is two, and the edges of the two pressure plates (031) are respectively fixed with the telescopic ends of the two groups of first lifting cylinders (030); the two pressing plates (031) are parallel to the working platform (012) and respectively correspond to the edges of the two sides of the coil stock (06).

4. The large format laser cutting machine according to claim 1, characterized in that inside of the feed inlet (010) and the discharge outlet (011) are rotatably connected positioning rollers (014) for guiding the coil stock (06); the axial direction of the positioning roller (014) is perpendicular to the conveying direction of the coil stock (06).

5. The large format laser cutting machine according to claim 1, wherein the camera moving mechanism (04) further includes an X-axis moving assembly (041) and a Y-axis moving assembly (042); the X-axis moving assembly (041) is connected to the rear side wall of the rack main body (01) in a sliding manner and can move in a horizontal plane along the conveying direction of the coil stock (06) through the matching of a nut and a lead screw; the Y-axis moving assembly (042) is connected to the X-axis moving assembly (041) in a sliding manner and can move in a horizontal plane vertical to the conveying direction of the coil stock (06) through the matching of a nut and a lead screw; the camera (040) is fixed to the Y-axis moving assembly (042).

6. The large format laser cutting machine according to claim 1, characterized in that the multi-galvanometer laser generating mechanism (05) comprises galvanometer sliding rails (050), galvanometers (051), fine tuning assemblies (052) and laser generators (053); the sliding rail (050) is fixed on the top surface of the portal frame beam (013) along the length direction of the portal frame beam (013); the number of the vibrating mirrors (051) is at least two, the vibrating mirrors are respectively connected to the vibrating mirror sliding rails (050) in a sliding mode, and the coil stock (06) below the laser cutting breadth (0510) of the vibrating mirrors (051) is covered; the number of the fine adjustment assemblies (052) is the same as that of the galvanometers (051), and the fine adjustment assemblies are fixed on the portal frame cross beam (013) and are respectively positioned on the outer sides of the galvanometer sliding rails (050); the number of the laser generators (053) is the same as that of the fine adjustment assemblies (052), the laser generators are arranged on the top surfaces of the fine adjustment assemblies (052) and are respectively used for emitting laser to the corresponding vibrating mirrors (051); fine setting subassembly (052) can drive through layering cross fit's slide rail structure laser generator (053) realize the removal of X axle and Y axle direction.

7. The large format laser cutting machine according to claim 1, wherein support beams (015) for connecting two ends of the gantry beam (013) are respectively fixed to two side walls of the gantry body (01) having the feed inlet (010) and the discharge outlet (011).

8. The large format laser cutting machine according to claim 1, characterized in that an industrial computer mainframe (07) is mounted on the lower layer of the frame main body (01); the outer side wall of the rack main body (01) is provided with a computer display (09) and a keyboard (10) through a rotary adjusting bracket (08).

9. The large format laser cutting machine according to any one of claims 1 to 8, characterized in that heat dissipation holes (016) are uniformly formed in the lower side wall and the upper side wall of the rack body (01), an exhaust fan (017) is arranged on the top wall of the rack body (01), and four foot cups (018) are arranged at four corners of the bottom wall of the rack body (01); the top wall of the frame main body (01) is provided with an alarm lamp (11).

10. A large format laser cutting machine according to any one of claims 1-8, characterized in that. The device also comprises two auxiliary supporting mechanisms (12) which are respectively positioned between the two ends of the adsorption platform (02) and the feed inlet (010) and the discharge outlet (011); the auxiliary supporting mechanism (12) comprises a second lifting cylinder (120) and a supporting plate (121); the number of the second lifting cylinders (120) is two, and the two second lifting cylinders are symmetrically fixed on two sides of the coil stock (06) respectively and can realize telescopic motion in the vertical direction; and two ends of the supporting plate (121) are respectively fixed with the telescopic ends of the two second lifting cylinders (120).

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