CN112917026A

CN112917026A - Laser cutting device with visual identification system

Info

Publication number: CN112917026A
Application number: CN202110336811.9A
Authority: CN
Inventors: 夏国章; 周德响; 冯泽远; 刘圆; 王先付
Original assignee: Foshan Longxin Laser Technology Co ltd
Current assignee: Foshan Longxin Laser Technology Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-06-08

Abstract

The invention relates to the technical field of cutting machines, in particular to a laser cutting device with a visual identification system, which comprises: a bed body; the base is arranged on the lathe bed and is used for clamping and driving the pipe to rotate; the cutting mechanism is arranged on the lathe bed and comprises a laser cutting head for cutting the pipe; the vision recognition system comprises a vision base, a rotary bottom plate, a base assembly and a camera, wherein the vision base is installed on a lathe bed, the rotary bottom plate is installed on the vision base, the base assembly is detachably installed on the rotary bottom plate, and the camera is installed on the base assembly and is shot towards a pipe. The invention monitors the pipe in real time through the visual recognition system so as to judge the specific position of the pipe or the specific positions of the hole position and the cutting point on the pipe, thereby providing accurate data to the control system to control the position matching between the laser cutting head and the pipe, and ensuring that the precision of the cut pipe is higher.

Description

Laser cutting device with visual identification system

Technical Field

The invention relates to the technical field of cutting machines, in particular to a laser cutting device with a visual identification system.

Background

The cutting machine is a processing device for cutting raw materials of workpieces, and can be divided into a metal material cutting machine and a non-metal material cutting machine according to cutting materials, the non-metal material cutting machine can be divided into a flame cutting machine, a plasma cutting machine, a laser cutting machine, a water jet cutting machine and the like, and the metal material cutting machine is mainly a cutter cutting machine. The laser cutting machine has the advantages of fastest efficiency, highest cutting precision and generally smaller cutting thickness, so the laser cutting machine is widely used, and is particularly used in the field of cutting pipes.

At present, in the pipe cutting machine in the industry, the cutting step is to feed pipe materials firstly, then a clamping device clamps the pipe materials, and a cutting device cuts the pipe materials; however, in the clamping process, the pipe may be stretched by the clamping device, so that the distance between the hole and the hole on the pipe changes and the distance between the hole and the cutting point changes, thereby affecting the cutting precision and ensuring that the subsequent series of processing precision cannot be guaranteed.

Disclosure of Invention

The invention aims to provide a laser cutting device with a visual identification system, and aims to solve the technical problems that in the prior art, the cutting precision of a cutting machine on a pipe is low, and the subsequent processing precision cannot be guaranteed.

In order to achieve the above object, the present invention provides a laser cutting apparatus with a visual recognition system, comprising:

a bed body;

the base is arranged on the lathe bed and is used for clamping and driving the pipe to rotate;

a cutting mechanism mounted on the bed, the cutting mechanism including a laser cutting head for cutting tubing;

visual identification system, it includes vision base, swivel base plate, base subassembly and camera, the vision base is installed on the lathe bed, swivel base plate installs on the vision base, base subassembly detachably installs on the swivel base plate, the camera is installed on the base subassembly, and the orientation and shoot tubular product. The precision of the cut pipe is higher.

Preferably, the base assembly comprises a rotating base, the rotating base is provided with a plurality of first mounting holes, the first mounting holes are arranged in a surrounding manner to form a circle, the rotating base is provided with a mounting groove corresponding to the first mounting holes, and a fixing piece penetrates through the mounting groove and the first mounting holes to fix the rotating base and the rotating base. A plurality of first mounting holes enclose and establish and form a circular, make camera adjustable angle scope greatly increased.

Preferably, the base assembly further comprises a mounting base, a camera mounting base and an indexing plate, the mounting base is mounted on the rotating base, the camera mounting base is detachably mounted on the mounting base, and the indexing plate is detachably mounted on the camera mounting base; the camera mounting base is provided with a spiral groove, and the transposition plate is provided with a second mounting hole corresponding to the spiral groove. The relative position and the angle of the rotating plate and the camera mounting base can be adjusted, so that the position and the angle of the camera can be conveniently adjusted.

Preferably, the base assembly further comprises a fine adjustment module, and the fine adjustment module comprises a fixed seat, a movable seat and a gear rod; the fixed seat is arranged on the transfer plate, the gear rod is arranged on the fixed seat, the movable seat is provided with a rack, and the rack is meshed with the gear rod;

the base subassembly still includes the camera base, the third mounting hole has been seted up along its length direction to the camera base, remove the seat and seted up a plurality ofly with the fourth mounting hole that the third mounting hole corresponds, the camera pedestal mounting remove on the seat, the camera is installed the camera base. The fine adjustment module is arranged, so that the position of the camera can be conveniently adjusted after the whole visual recognition system is installed and fixed, and the camera can accurately shoot the pipe.

Preferably, the visual recognition system further comprises a light source mounting plate detachably mounted on the mounting base, and an illumination light source mounted on the light source mounting plate. The lighting source is arranged, so that the lighting shot by the camera is clearer.

Preferably, the housing comprises:

a base;

the hollow main shaft is arranged on the base, a main shaft flange is arranged at one end of the hollow main shaft close to the laser cutting head, and a driven gear is arranged on the main shaft flange;

the clamping device is arranged on the hollow main shaft and is used for clamping the pipe passing through the hollow main shaft;

and the rotary driving device is arranged on the base, a driving gear is arranged at the output end of the rotary driving device, and the driving gear is meshed with the driven gear. The hollow main shaft and the driven gear are convenient to assemble and disassemble, and the transmission between the rotary driving device and the hollow main shaft is more precise through gear transmission.

Preferably, the frame still includes photoelectric switch and switch commentaries on classics piece, photoelectric switch installs on the base, switch commentaries on classics piece is installed driven gear is last, and be located and be close to photoelectric switch's one side. Make things convenient for cutting machine control rotary driving device and laser cutting head to carry out accurate cutting to the pipe fitting according to the demand.

Preferably, the machine further comprises a deslagging mechanism, a linear guide rail is mounted on the machine body, and the deslagging mechanism and the cutting mechanism are slidably mounted on the linear guide rail. The slag removing mechanism and the cutting mechanism share one set of linear guide rail, and the whole structure is simpler and optimized.

Preferably, the cutting mechanism further comprises a three-axis moving assembly, the three-axis moving assembly comprising an X-axis moving assembly, a Y-axis moving assembly and a Z-axis moving assembly; the X-axis moving assembly is slidably mounted on the linear guide rail and used for driving the laser cutting head to move in the X-axis direction, the Y-axis moving assembly is mounted on the Z-axis moving assembly and used for driving the laser cutting head to move in the Y-axis direction, the Z-axis moving assembly is mounted on the Y-axis moving assembly and used for driving the laser cutting head to move in the Z-axis direction, and the laser cutting head is mounted on the Z-axis moving assembly. The setting of triaxial removal subassembly makes the laser cutting head can move in XYZ direction to satisfy different cutting demands.

Preferably, the deslagging mechanism comprises a first X-axis driving assembly, a second X-axis driving assembly and a deslagging pipe, the first X-axis driving assembly is slidably mounted on the linear guide rail, the second X-axis driving assembly is mounted on the first X-axis driving assembly, and the deslagging pipe is mounted on the second X-axis driving assembly. The slag removal mechanism can be better combined into the laser cutting device, and the arrangement of the first X-axis driving assembly and the second X-axis driving assembly enables the slag removal pipe to better collect scraps generated in the cutting process, so that the slag removal effect is better.

The invention discloses a laser cutting device with a visual identification system, which at least has the following beneficial effects: the machine tool body is provided with the visual recognition system, the pipe is monitored in real time through the visual recognition system, the specific position of the pipe or the specific position of the hole position and the cutting point on the pipe is judged, accurate data are provided for the control system to control the position matching between the laser cutting head and the pipe, and the precision of the cut pipe is higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a laser cutting apparatus according to the present invention;

FIG. 2 is a schematic structural diagram of the stand according to the present invention;

FIG. 3 is a schematic cross-sectional view of the base of the present invention;

FIG. 4 is a schematic structural view of the hollow spindle of the present invention;

FIG. 5 is a schematic view of the present invention with the gear guard removed from the housing;

FIG. 6 is a front view of FIG. 5;

FIG. 7 is an enlarged partial view of portion A of FIG. 6;

FIG. 8 is a schematic view of the cutting mechanism of the present invention mounted on a linear guide;

FIG. 9 is a schematic view of the structure of FIG. 8 at another angle;

FIG. 10 is a schematic view of the Y-axis moving assembly of the present invention;

FIG. 11 is a schematic view of the assembly structure of the Z-axis moving assembly and the laser cutting head of the present invention;

FIG. 12 is a schematic diagram of a visual identification system according to the present invention;

FIG. 13 is a schematic view of another aspect of the visual identification system of the present invention;

FIG. 14 is a schematic view of a rotary base plate according to the present invention;

FIG. 15 is a schematic view of a rotary base according to the present invention;

FIG. 16 is a schematic view of a camera mounting base according to the present invention;

FIG. 17 is a schematic structural view of a transfer plate according to the present invention;

FIG. 18 is an exploded view of the camera base and the trimming module of the present invention;

fig. 19 is a schematic structural view of the deslagging mechanism of the invention.

In the drawings: 1-lathe bed, 11-linear guide rail,

2-machine base, 21-base, 22-hollow main shaft, 221-main shaft flange, 23-driven gear, 24-clamping device, 25-rotary driving device, 26-driving gear, 27-photoelectric switch, 28-switch rotating block,

3-cutting mechanism, 31-laser cutting head, 32-three-axis moving assembly, 321-X axis moving assembly, 3211-X axis sliding block, 3212-X axis sliding plate, 3213-X axis rack, 3214-X axis motor, 3215-X axis gear, 322-Y axis moving assembly, 3221-Y axis sliding rail, 3222-Y axis sliding block, 3223-Y axis sliding plate, 3224-Y axis rack, 3225-Y axis motor, 3226-Y axis gear, 323-Z axis moving assembly, 3231-Z axis connecting seat, 3232-Z axis motor, 3234-Z axis double-axis core linear guide rail, 32341-Z axis double-axis core sliding block, 321-X axis sliding block, 3212-Y axis sliding block, 3223-Y axis sliding plate, 3224-Y axis motor, 3225-Y axis,

4-visual recognition system, 41-visual base, 42-rotary bottom plate, 421-first mounting hole, 43-base component, 431-rotary base, 4311-mounting groove, 432-mounting seat, 433-camera mounting base, 4331-spiral groove, 434-indexing plate, 4341-second mounting hole, 435-fine adjustment module, 4351-fixing seat, 4352-moving seat, 43521-rack, 43522-fourth mounting hole, 4353-gear rod, 436-camera base, 4361-third mounting hole, 44-camera, 441-lens, 45-light source mounting plate, 46-lighting source, 42-rotary bottom plate, 421-first mounting hole, 43-base component, 431-rotary base, 4311-mounting groove, 4352-fine adjustment module, 4352-moving seat, 43521-rack, 43522-,

5-a deslagging mechanism, 51-a first X-axis driving component, 52-a second X-axis driving component and 53-a deslagging pipe.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 19, a laser cutting apparatus with a visual recognition system includes:

a lathe bed 1;

the base 2 is arranged on the lathe bed 1 and is used for clamping and driving the pipe to rotate;

the cutting mechanism 3 is arranged on the lathe bed 1, and the cutting mechanism 3 comprises a laser cutting head 31 for cutting a pipe;

the visual recognition system 4 comprises a visual base 41, a rotary base plate 42, a base assembly 43 and a camera 44, wherein the visual base 41 is installed on the lathe bed 1, the rotary base plate 42 is installed on the visual base 41, the base assembly 43 is detachably installed on the rotary base plate 42, and the camera 44 is installed on the base assembly 43 and faces and shoots a pipe.

The machine tool body 1 is used as a main body of the cutting device and used for bearing the machine base 2, the cutting mechanism 3, the visual recognition system 4 and the like, and the machine base 2 is arranged on the machine tool body 1 and used for clamping the pipe and driving the pipe to rotate around the axis of the pipe in the cutting process; the cutting mechanism 3 is arranged on the lathe bed 1, and the laser cutting head 31 is used for carrying out laser cutting on the pipe to cut the pipe into a pipe with a required length; the visual recognition system 4 is used for observing the cutting position of the pipe in real time, recognizing the hole characteristics on the pipe, comparing the hole characteristics with the template in the controller, and cutting after the comparison is successful. The vision base 41 is arranged on the machine body 1, the rotating base plate 42 is arranged on the vision base 41, and the base assembly 43 is detachably arranged on the rotating base plate 42, so that the position and the angle of the base assembly 43 relative to the rotating base plate 42 can be adjusted in advance, and then the base assembly 43 is fixed on the rotating base plate 42; the camera 44 is mounted on the base assembly 43, so that the adjustment of the position and the angle of the base assembly 43 is actually the adjustment of the shooting position and the angle of the camera 44; a lens 441 is mounted on the camera 44, and the lens 441 is used to ensure the shooting quality of the camera 44.

This technical scheme is provided with visual identification system 4 on lathe bed 1, carries out real-time supervision to tubular product through visual identification system 4 to this concrete position of judging tubular product or judge the concrete position of hole site and cutting point on the tubular product, thereby provides accurate data and gives control system with the position cooperation between control laser cutting head 31 and the tubular product, makes the tubular product precision of cutting higher.

Further, the base assembly 43 includes a rotating base 431, the rotating base plate 42 is provided with a plurality of first installation holes 421, the plurality of first installation holes 421 are surrounded to form a circle, the rotating base 431 is provided with an installation groove 4311 corresponding to the first installation holes 421, and a fixing member passes through the installation groove 4311 and the first installation holes 421 to fix the rotating base 431 and the rotating base plate 42.

One end of the rotating bottom plate 42 is fixedly connected with the vision base 41, and can be fixed in a screwing mode; the other end of the rotating base plate 42 is provided with a plurality of first mounting holes 421, the plurality of first mounting holes 421 surround to form a circle center, the rotating base 431 is provided with a mounting groove 4311, when the rotating base 431 is placed on the rotating base plate 42, the mounting groove 4311 corresponds to the first mounting holes 421, and a fixing member (not shown in the figure) passes through the mounting groove 4311 and the first mounting holes 421 to connect and fix the rotating base 431 and the rotating base plate 42; the fixing piece can be a bolt and the like. The rotating base 431 may be formed with a plurality of mounting slots 4311 to further secure the rotating base 431 and the rotating base plate 42. The first mounting hole 421 and the mounting groove 4311 are respectively formed in the rotating base plate 42 and the rotating base 431, and the mounting groove 4311 is matched with different first mounting holes 421 to adjust the position relation of the rotating base 431 relative to the rotating base plate 42, so as to adjust the position and the orientation of the camera 44. The first mounting holes 421 are arranged in a circular shape, so that the adjustable angle range of the camera 44 is greatly increased; moreover, the positions and angles of the vision base 41 and the camera 44 can be flexibly adjusted by the cooperation of the rotating base 431 and the rotating base plate 42.

Further, the base assembly 43 further includes a mounting seat 432, a camera mounting base 433, and an indexing plate 434, wherein the mounting seat 432 is mounted on the rotating base 431, the camera mounting base 433 is detachably mounted on the mounting seat 432, and the indexing plate 434 is detachably mounted on the camera mounting base 433; the camera mounting base 433 is formed with a spiral groove 4331, and the rotation plate 434 is formed with a second mounting hole 4341 corresponding to the spiral groove 4331.

The mounting seat 432 is a long aluminum profile, and a groove is formed in the aluminum profile; a hole is formed in the camera mounting base 433, and the hole corresponds to the groove; the camera mounting base 433 can be fixed to the mounting base 432 by means of screws, bolts, or the like. The turning plate 434 is of a U-shaped structure, wherein a second mounting hole 4341 is formed in one side of the turning plate, the second mounting hole 4341 corresponds to a spiral groove 4331 formed in the camera mounting base 433, and the turning plate 434 and the camera mounting base 433 can be fixedly connected by a connecting piece penetrating through the second mounting hole 4341 and the spiral groove 4331; the other side of the index plate 434 is used to mount the camera 44. The camera mounting base 433 is provided with a spiral groove 4331, so that the relative position and angle between the rotating plate 434 and the camera mounting base 433 can be adjusted, thereby facilitating the adjustment of the position and angle of the camera 44. The turning plate 434 is provided with a U-shaped structure, which not only facilitates connection of the turning plate with the camera mounting base 433 and the camera 44, but also makes the whole structure more compact, and more facilitates adjustment of the camera 44 by adjusting the position and angle of the turning plate 434.

Further, the base assembly 43 further comprises a fine adjustment module 435, wherein the fine adjustment module 435 comprises a fixed seat 4351, a movable seat 4352 and a gear rod 4353; the fixed seat 4351 is mounted on the shifting plate 434, the gear rod 4353 is mounted on the fixed seat 4351, the movable seat 4352 is provided with a rack 43521, and the rack 43521 is meshed with the gear rod 4353;

the base assembly 43 further includes a camera base 436, the camera base 436 has a third mounting hole 4361 along a length direction thereof, the movable base 4352 has a plurality of fourth mounting holes 43522 corresponding to the third mounting holes 4361, the camera base 436 is mounted on the movable base 4352, and the camera 44 is mounted on the camera base 436.

The fine adjustment module 435 is used to adjust the position of the camera 44, the fixed seat 4351 is fixed on the rotation plate 434, the fixed seat 4351 is provided with a slot, the gear rod 4353 passes through the fixed seat 4351 and is inserted into the slot, the movable seat 4352 is provided with a rack 43521 at a side close to the fixed seat 4351, the rack 43521 is located in the slot of the fixed seat 4351, so that the rack 43521 is engaged with the gear on the gear rod 4353, and when the gear rod 4353 is screwed, the rack 43521 moves relative to the gear rod 4353, thereby driving the movable seat 4352 to move, and finally realizing the movement of the camera 44 to adjust the position of the camera 44. The fine adjustment module 435 is provided to facilitate manual adjustment of the position of the camera 44 after the entire visual recognition system 4 is mounted and fixed, so that the camera 44 can accurately photograph the pipe; on the other hand, for different pipes, the distance between the camera 44 and the pipe can be adjusted by the fine adjustment module 435, so that the camera 44 can accurately take required pictures for different pipes.

The camera mount 436 is mounted on the movable mount 4352, and the camera 44 is mounted on the camera mount 436, so that the movement of the movable mount 4352 is converted into the movement of the camera 44. The movable base 4352 is provided with a plurality of fourth mounting holes 43522, the fourth mounting holes 43522 correspond to the third mounting holes 4361 of the camera base 436, the third mounting holes 4361 of the camera base 436 correspond to different fourth mounting holes 43522, and the camera base 436 and the movable base 4352 are fixed by a connecting member, so that the relative positions of the camera base 436 and the movable base 4352 are different, and the position adjustment of the camera 44 is realized.

Through the arrangement of the vision base 41, the rotating base plate 42 and the base assembly 43, the camera 44 can be adjusted to different positions and different angles from all directions so as to meet various use requirements; on the basis of meeting the requirement of diversified adjustment modes, the structure of the visual recognition system 4 can also ensure the strength, the rigidity and the stability.

Further, the visual recognition system 4 further includes a light source mounting plate 45 and an illumination light source 46, the light source mounting plate 45 is detachably mounted on the mounting base 432, and the illumination light source 46 is mounted on the light source mounting plate 45.

The illumination source 46 is used for illuminating the pipe and making the illumination shot by the camera 44 clearly visible, and the illumination direction of the light emitted by the illumination source 46 is consistent with the shooting direction of the camera 44. The light source mounting plate 45 is detachably mounted on the mounting seat 432 in the same manner as the mounting base plate of the camera 44 is mounted on the mounting seat 432, and the light source mounting plate 45 is located below the mounting plate of the camera 44. The light source mounting plate 45 is embodied as an L-shaped structure, wherein one side of the L-shape is connected to the mounting base 432, and the other side is used for mounting the illumination light source 46. The illumination source 46 is arranged to make the illumination captured by the camera 44 clearer; since the light of the illumination source 46 is relatively divergent and the area capable of illumination is relatively wide, many structures for adjusting the illumination source 46 are omitted, and the structure of the visual recognition system 4 is simpler.

Further, the housing 2 includes:

a base 21;

a hollow main shaft 22 mounted on the base 21, wherein a main shaft flange 221 is provided at one end of the hollow main shaft 22 close to the laser cutting head 31, and a driven gear 23 is mounted on the main shaft flange 221;

a clamping device 24 provided on the hollow main shaft 22 for clamping a pipe passing through the hollow main shaft 22;

and a rotation driving device 25 mounted on the base 21, wherein a driving gear 26 is mounted at an output end of the rotation driving device 25, and the driving gear 26 is engaged with the driven gear 23.

The base 21 is for carrying the hollow spindle 22 and the rotary drive 25, and the base 21 is for fixing with the cutter when the base 2 is set on the cutter. The hollow main shaft 22 is hollow and can be used for a pipe to pass through, a main shaft flange 221 is arranged at one end, close to the laser cutting head 31, of the hollow main shaft 22, a driven gear 23 is installed on the main shaft flange 221, and the driven gear 23 and the main shaft flange 221 can be connected and fixed through a fixing piece (such as a screw); the driven gear 23 rotates to drive the hollow spindle 22 to rotate. The hollow main shaft 22 is further provided with a clamping device 24 for clamping a pipe, the clamping device 24 and the hollow main shaft 22 can be connected and fixed through screws, and when the hollow main shaft 22 rotates, the clamping device 24 synchronously rotates. The rotation driving device 25 is mounted on the base 21, and its output end is mounted with a driving gear 26 engaged with the driven gear 23. When the cutting machine is used for cutting a pipe, the laser cutting head 31 is fixed (cannot rotate), the pipe fitting rotates, and the pipe is rotated mainly through the base 2. The general process of driving the pipe to rotate is as follows: the rotation driving device 25 is turned on, and the output end thereof drives the driving gear 26 to rotate; the driving gear 26 drives the driven gear 23 to rotate, and further drives the hollow main shaft 22 to rotate; the hollow spindle 22 rotates the clamping device 24, and thus rotates the pipe clamped by the clamping device 24. The front end of the hollow spindle 22 is defined as the end facing the laser cutting head 31 (i.e. facing the clamping device 24), and the other end is the rear end of the hollow spindle 22.

When the laser cutting machine is used for cutting a pipe fitting, a laser cutting head is generally fixed, and a pipe rotates, and the pipe is generally fixed and rotates by a machine base arranged on the cutting machine. In the existing engine base, a gear is usually arranged at the rear end of a main shaft in a key connection mode, and then the main shaft is driven to rotate by a motor; the rear end of the main shaft is smaller in diameter and thinner in side wall, so that the gear can be installed only in a key connection mode, and the assembling and disassembling process is complex and the structural stability is poor in the key connection mode. In the embodiment, the driven gear 23 is installed at one end of the hollow main shaft 22 close to the laser cutting head 31, so that a main shaft flange 221 can be arranged on the hollow main shaft 22 for fixing the driven gear 23; therefore, the hollow main shaft 22 and the driven gear 23 can be conveniently assembled and disassembled, and the transmission between the rotary driving device 25 and the hollow main shaft 22 is more precise through gear transmission.

Further, the base 2 further comprises a photoelectric switch 27 and a switch rotating block 28, the photoelectric switch 27 is mounted on the base 21, and the switch rotating block 28 is mounted on the driven gear 23 and located at one side close to the photoelectric switch 27.

The photoelectric switch 27 can sense the switch rotating block 28, the photoelectric switch 27 emits light, when the driven gear 23 rotates to enable the switch rotating block 28 to shield the light of the photoelectric switch 27, the circuit is switched on by the synchronous circuit, and therefore the position of the switch rotating block 28 is reflected. The position of the light-emitting transit block is defined as a zero point position, when the photoelectric switch 27 senses the light-emitting transit block 28, the hollow main shaft 22, the clamping device 24 and the pipe fitting are located at the zero point position, namely the pipe fitting is located at an initial position, and the rotary driving device 25 and the laser cutting head 31 can be conveniently controlled by the cutting machine after the zero-setting positioning, so that the pipe fitting can be accurately cut as required.

Further, still include deslagging mechanism 5, install linear guide 11 on the lathe bed 1, deslagging mechanism 5 with cutting mechanism 3 all can install on linear guide 11.

The slag removal mechanism 5 is used for collecting scraps generated when the laser cutting head 31 cuts the pipe. The lathe bed 1 is provided with a linear guide rail 11, the length direction of the linear guide rail 11 is consistent with that of the pipe, and the deslagging mechanism 5 and the cutting mechanism 3 are arranged on the linear guide rail 11 in a sliding mode. The existing cutting machine is generally provided with an independent slag removal device independently, and the whole structure is complex and the slag removal effect is poor. This embodiment sets up slag removal mechanism 5 on linear guide 11, makes slag removal mechanism 5 and cutting mechanism 3 one set of linear guide 11 of sharing, and overall structure is simpler, optimize, and slag removal mechanism 5 is better with cutting mechanism 3's synchronism.

Further, the cutting mechanism 3 further comprises a three-axis moving assembly 32, wherein the three-axis moving assembly 32 comprises an X-axis moving assembly 321, a Y-axis moving assembly 322 and a Z-axis moving assembly 323; the X-axis moving assembly 321 is slidably mounted on the linear guide 11 for driving the laser cutting head 31 to move in the X-axis direction, the Y-axis moving assembly 322 is mounted on the Z-axis moving assembly 323 for driving the laser cutting head 31 to move in the Y-axis direction, the Z-axis moving assembly 323 is mounted on the Y-axis moving assembly 322 for driving the laser cutting head 31 to move in the Z-axis direction, and the laser cutting head 31 is mounted on the Z-axis moving assembly 323.

The length extending direction of the linear guide rail 11 is defined as an X-axis direction, a direction perpendicular to the linear guide rail 11 on the same horizontal plane is defined as a Y-axis direction, and a vertical direction is defined as a Z-axis direction. The three-axis moving assembly 32 is arranged to move the laser cutting head 31 in XYZ directions to meet different cutting requirements.

Specifically, the X-axis moving assembly 321 includes an X-axis slider 3211, an X-axis sliding plate 3212, an X-axis rack 3231, an X-axis motor 3214, and an X-axis gear 3215; an X-axis sliding block 3211 is slidably mounted on the linear guide rail 11, and an X-axis sliding plate 3212 is mounted on the X-axis sliding block 3211; an X-axis rack 3231 is installed on the lathe bed 1, an X-axis motor 3214 is installed on the sliding plate, and an X-axis gear 3215 is installed at the output end of the X-axis motor 3214 and meshed with the X-axis rack 3231. The Y-axis moving assembly 322 comprises a Y-axis slide rail 3221, a Y-axis slider 3222, a Y-axis slide plate 3223, a Y-axis rack 3224, a Y-axis motor 3225 and a Y-axis gear 3226; a Y-axis sliding rail 3221 is mounted on the X-axis sliding plate 3212, a Y-axis sliding block 3222 is slidably mounted on the Y-axis sliding rail 3221, and a Y-axis sliding plate 3223 is mounted on the Y-axis sliding base; a Y-axis gear 3224 is mounted on the X-axis sliding plate 3212, a Y-axis motor 3225 is mounted on the Y-axis sliding plate 3223, and a Y-axis gear 3226 is mounted at an output end of the Y-axis motor 3225 and is engaged with the Y-axis gear 3224. The Z-axis moving assembly 323 comprises a Z-axis connecting seat 3231, a Z-axis motor 3232 and a Z-axis double-shaft-core linear guide rail 323411, the Z-axis connecting seat 3231 is installed on a Y-axis sliding plate 3223, the Z-axis motor 3232 and the Z-axis double-shaft-core linear guide rail 323411 are in transmission connection and are both installed on the Z-axis connecting seat 3231, and the laser cutting head 31 is slidably installed on a Z-axis double-shaft-core sliding block 32341 of the Z-axis double-shaft-core linear guide rail 323411.

The linear guide rails 11 are arranged on the lathe bed 1, and the number of the linear guide rails 11 can be two and are parallel to each other; each linear guide rail 11 is provided with an X-axis sliding block 3211, and the X-axis sliding block 3211 can slide along the linear guide rail 11 in a reciprocating manner; the X-axis sliding plate 3212 is installed on the X-axis sliding block 3211, so the X-axis sliding block 3211 can move to drive the X-axis sliding plate 3212 to move; the X-axis rack 3231 is also arranged on the lathe bed 1 and is parallel to the linear guide rails 11, and when the number of the linear guide rails 11 is two, the X-axis rack 3231 can be specifically positioned between the two linear guide rails 11; an X-axis motor 3214 is mounted on the X-axis sliding plate 3212, and an output end of the X-axis motor extends to one side of the X-axis sliding rail through the X-axis sliding plate 3212; the X-axis gear 3215 is installed at an output end of the X-axis motor 3214, and thus is located directly below the X-axis sliding plate 3212, and the X-axis gear 3215 can be driven by the X-axis motor 3214 to rotate; the X-axis gear 3215 is engaged with the X-axis rack 3231, so when the X-axis motor 3214 is started, the X-axis gear 3215 rotates and moves along the length direction of the X-axis rack 3231, thereby driving the X-axis sliding plate 3212 and the Y-axis moving assembly 322 disposed on the X-axis sliding plate 3212 to move in the X-axis direction. The Y-axis moving unit 322 has the same structure as the X-axis moving unit 321, and therefore, the operation principle and the operation process are the same. The Z-axis motor 3232 is activated to drive the Z-axis biaxial core slide block 32341 to move along the length direction of the Z-axis biaxial core linear guide 323411, and the laser cutting head 31 is mounted on the Z-axis biaxial core slide block 32341 so that the laser cutting head 31 can move along the length direction of the Z-axis biaxial core linear guide 323411 to approach or separate from the pipe in the vertical direction. The X-axis moving assembly 321 and the Y-axis moving assembly 322 adopt a gear-rack transmission mode, and have large bearing capacity, high transmission speed, high transmission precision and long transmission distance; the Z-axis moving assembly 323 is arranged in such a way, so that the assembly and the interchange are convenient, the cost is low, and the standardization is realized.

Further, the slag removing mechanism 5 comprises a first X-axis driving assembly 51, a second X-axis driving assembly 52 and a slag removing pipe 53, the first X-axis driving assembly 51 is slidably mounted on the linear guide rail, the second X-axis driving assembly 52 is mounted on the first X-axis driving assembly 51, and the slag removing pipe 53 is mounted on the second X-axis driving assembly 52.

The first X-axis driving assembly 51 is similar to the X-axis moving assembly 321 in structure, and both adopt a gear and rack transmission mode, so that the deslagging pipe 53 can move in the X-axis direction; the second X-axis drive assembly 52 is similar in construction to the Z-axis movement assembly 323, and likewise moves the deslagging tube 53 in the X-axis direction. The first X-axis driving component 51 mainly adjusts the specific position of the deslagging mechanism 5 on the bed 11, and the second X-axis driving component 52 mainly adjusts the relative position between the deslagging pipe 53 and the pipe. The slag removing mechanism 5 is arranged in such a way that the slag removing mechanism can be better integrated into the laser cutting device, and the arrangement of the first X-axis driving assembly 51 and the second X-axis driving assembly 52 enables the slag removing pipe 53 to better collect waste scraps generated in the cutting process, so that the slag removing effect is better.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A laser cutting apparatus with a visual recognition system, comprising:

a bed body (1);

the base (2) is arranged on the lathe bed (1) and is used for clamping and driving the pipe to rotate;

the cutting mechanism (3) is installed on the lathe bed (1), and the cutting mechanism (3) comprises a laser cutting head (31) for cutting a pipe;

the visual recognition system (4) comprises a visual base (41), a rotary base plate (42), a base assembly (43) and a camera (44), wherein the visual base (41) is installed on the lathe bed (1), the rotary base plate (42) is installed on the visual base (41), the base assembly (43) is detachably installed on the rotary base plate (42), and the camera (44) is installed on the base assembly (43) and faces towards and shoots a pipe.

2. The laser cutting device with the visual identification system as claimed in claim 1, wherein the base assembly (43) comprises a rotating base (431), the rotating base plate (42) is provided with a plurality of first installation holes (421), the plurality of first installation holes (421) are defined to form a circle, the rotating base (431) is provided with an installation groove (4311) corresponding to the first installation holes (421), and a fixing member passes through the installation groove (4311) and the first installation holes (421) to fix the rotating base (431) and the rotating base plate (42).

3. The laser cutting device with the vision recognition system according to claim 2, wherein the base assembly (43) further comprises a mounting base (432), a camera mounting base (433), and an indexing plate (434), the mounting base (432) is mounted on the rotating base (431), the camera mounting base (433) is detachably mounted on the mounting base (432), and the indexing plate (434) is detachably mounted on the camera mounting base (433); the camera mounting base (433) is provided with a spiral groove (4331), and the turning plate (434) is provided with a second mounting hole (4341) corresponding to the spiral groove (4331).

4. The laser cutting device with vision recognition system according to claim 3, characterized in that the base assembly (43) further comprises a fine adjustment module (435), the fine adjustment module (435) comprises a fixed seat (4351), a movable seat (4352) and a gear rod (4353); the fixed seat (4351) is mounted on the transfer plate (434), the gear rod (4353) is mounted on the fixed seat (4351), the moving seat (4352) is provided with a rack (43521), and the rack (43521) is meshed with the gear rod (4353);

the base assembly (43) further comprises a camera base (436), a third mounting hole (4361) is formed in the camera base (436) along the length direction of the camera base, a plurality of fourth mounting holes (43522) corresponding to the third mounting holes (4361) are formed in the moving base (4352), the camera base (436) is mounted on the moving base (4352), and the camera (44) is mounted on the camera base (436).

5. A laser cutting device with a vision recognition system according to claim 3, wherein the vision recognition system (4) further comprises a light source mounting plate (45) and an illumination light source (46), the light source mounting plate (45) is detachably mounted on the mounting base (432), and the illumination light source (46) is mounted on the light source mounting plate (45).

6. The laser cutting device with vision recognition system according to claim 1, characterized in that said stand (2) comprises:

a base (21);

the hollow main shaft (22) is installed on the base (21), a main shaft flange (221) is arranged at one end, close to the laser cutting head (31), of the hollow main shaft (22), and a driven gear (23) is installed on the main shaft flange (221);

a clamping device (24) arranged on the hollow main shaft (22) for clamping a pipe passing through the hollow main shaft (22);

a rotary driving device (25) installed on the base (21), wherein a driving gear (26) is installed at the output end of the rotary driving device (25), and the driving gear (26) is meshed with the driven gear (23).

7. A laser cutting device with visual identification system according to claim 1, characterized in that said base (2) further comprises a photoelectric switch (27) and a switch turning block (28), said photoelectric switch (27) is mounted on said base (21), said switch turning block (28) is mounted on said driven gear (23) and located at a side close to said photoelectric switch (27).

8. The laser cutting device with the vision recognition system according to claim 1, further comprising a slag removing mechanism (5), wherein a linear guide rail (11) is mounted on the bed (1), and both the slag removing mechanism (5) and the cutting mechanism (3) are slidably mounted on the linear guide rail (11).

9. The laser cutting device with vision recognition system according to claim 8, characterized in that the cutting mechanism (3) further comprises a three-axis moving assembly (32), the three-axis moving assembly (32) comprises an X-axis moving assembly (321), a Y-axis moving assembly (322) and a Z-axis moving assembly (323); the X-axis moving assembly (321) is slidably mounted on the linear guide rail (11) and used for driving the laser cutting head (31) to move in an X-axis direction, the Y-axis moving assembly (322) is mounted on the Z-axis moving assembly (323) and used for driving the laser cutting head (31) to move in a Y-axis direction, the Z-axis moving assembly (323) is mounted on the Y-axis moving assembly (322) and used for driving the laser cutting head (31) to move in a Z-axis direction, and the laser cutting head (31) is mounted on the Z-axis moving assembly (323).

10. The laser cutting device with vision recognition system of claim 8, characterized in that the slag removal mechanism (5) comprises a first X-axis drive assembly (51), a second X-axis drive assembly (52), and a slag removal tube (53), the first X-axis drive assembly (51) being slidably mounted on the linear guide (11), the second X-axis drive assembly (52) being mounted on the first X-axis drive assembly (51), the slag removal tube (53) being mounted on the second X-axis drive assembly (52).