CN114131198B - Full-automatic laser cutting welding equipment - Google Patents

Full-automatic laser cutting welding equipment Download PDF

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Publication number
CN114131198B
CN114131198B CN202210049745.1A CN202210049745A CN114131198B CN 114131198 B CN114131198 B CN 114131198B CN 202210049745 A CN202210049745 A CN 202210049745A CN 114131198 B CN114131198 B CN 114131198B
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laser
workpiece
module
welding
positioning
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CN114131198A (en
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许必坚
蒋海雄
易朝晖
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Shenzhen Zichen Laser Equipment Co ltd
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Shenzhen Zichen Laser Equipment Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70—Auxiliary operations or equipment
    • B23K26/702—Auxiliary equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/06—Tubes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention provides full-automatic laser cutting and welding equipment, which comprises a jig platform, a conveying mechanism, a laser and an intelligent control system, wherein the jig platform is arranged on the conveying mechanism; the jig platform is provided with a positioning clamp, the jig platform is used for storing a workpiece to be machined, and the positioning clamp is used for fixing the workpiece to be machined; the conveying mechanism comprises a fixing part and a conveying part, and the conveying part is used for driving the jig platform to move; the laser is used for cutting and/or welding a workpiece to be processed according to the requirement; and the intelligent control system is respectively connected with the positioning fixture, the conveying mechanism and the laser and is used for automatically controlling the conveying of the workpiece to be processed and the cutting and/or welding processing of the laser. The invention automatically controls the whole process of laser cutting and welding through the intelligent control system, integrates laser cutting and laser welding into a whole, realizes the switching and adjustment of the laser cutting and the laser welding through the intelligent control system, improves the intelligent degree, and further improves the precision and the efficiency of laser cutting and welding processing.

Description

Full-automatic laser cutting welding equipment
Technical Field
The invention relates to the technical field of laser cutting and welding equipment, in particular to full-automatic laser cutting and welding equipment.
Background
Laser Light (the english name Light Amplification by modulated Emission of Radiation means "expansion by Stimulated Emission Light") is generated by energy released when electrons in atoms absorb energy and then transition from a low energy level to a high energy level and then fall back from the high energy level to the low energy level, in the form of photons. Laser technology is currently widely used, such as laser cutting, laser welding, laser marking, laser detection (laser ranging, laser radar, and LIF nondestructive detection technologies, etc.), laser disc, laser scanning, laser vision correction, laser cosmetology, laser mosquito killer, and even laser weapons, etc.
At present, two different devices (laser cutting device and laser welding device) are needed for laser cutting and laser welding, so that the initial investment of the devices is increased; in addition, the intelligent degree of laser cutting and laser welding control is not high, and the further improvement of the processing precision and efficiency is not facilitated.
Disclosure of Invention
In order to solve the technical problem, the invention provides full-automatic laser cutting and welding equipment which comprises a jig platform, a conveying mechanism, a laser and an intelligent control system, wherein the jig platform is arranged on the conveying mechanism;
the jig platform is provided with a positioning clamp, the jig platform is used for storing a workpiece to be machined, and the positioning clamp is used for fixing the workpiece to be machined;
the conveying mechanism comprises a fixing part and a conveying part, and the conveying part is used for driving the jig platform to move;
the laser is used for cutting and/or welding a workpiece to be processed according to the requirement;
and the intelligent control system is respectively connected with the positioning fixture, the conveying mechanism and the laser and is used for automatically controlling the conveying of the workpiece to be processed and the cutting and/or welding processing of the laser.
Optionally, a moving mechanism is mounted on the fixed part of the conveying mechanism, and the moving mechanism is connected with the intelligent control system;
the laser comprises a laser emitting head, and the laser emitting head is arranged on the movement mechanism;
the movement mechanism is used for adjusting the position and/or the direction of the laser emitting head under the control of the intelligent control system.
Optionally, a wire feeding mechanism is installed on the moving mechanism, and the wire feeding mechanism is connected with the intelligent control system; and the wire feeding mechanism is used for conveying tin wires to the workpiece to be processed fixed on the positioning fixture under the control of the intelligent control system.
Optionally, the movement mechanism includes three layers of moving frames: the device comprises a bottom layer moving frame, a middle layer moving frame and a top layer moving frame;
each layer of moving frame is provided with a guide rod, a screw rod and a servo motor, the guide rods of the moving frames on the same layer are parallel to the screw rod, and the servo motor drives the screw rod to rotate so that the moving frames move along the guide rods;
the guide rod, the screw rod and the servo motor of the bottom layer moving frame are arranged on a fixed part of the conveying mechanism;
the guide rod, the screw rod and the servo motor of the middle-layer moving frame are arranged on the bottom-layer moving frame;
the guide rod, the screw rod and the servo motor of the top layer moving frame are arranged on the middle layer moving frame, an angle adjusting frame is arranged on the top layer moving frame, and the laser emitting head is arranged on the angle adjusting frame;
the guide rods of the three layers of moving frames are perpendicular to each other, and the servo motor and the angle adjusting frame are connected with the intelligent control system.
Optionally, the conveying mechanism is provided with an outer shell at the position of the laser, and the laser and the movement mechanism are enclosed by the outer shell; the outer shell is provided with an inlet and an outlet, and the conveying mechanism penetrates through the outer shell from the inlet and the outlet;
the utility model discloses a dust collection device, including shell body, dust catcher, motion mechanism and dust absorption pipe, shell body internally mounted has the dust catcher, the dust catcher is connected with intelligence control system, the mouth of pipe orientation tool platform that the dust absorption pipe of dust catcher configuration extends to motion mechanism and dust absorption pipe.
Optionally, an electrostatic dust removal device is arranged inside the outer shell, the electrostatic dust removal device includes a first electrostatic dust removal component, a second electrostatic dust removal component and a third electrostatic dust removal component, the first electrostatic dust removal component is arranged at the upper end of the jig platform, and the electrostatic dust removal device is connected with the intelligent control system;
the inlet and the outlet of the outer shell are both provided with electrostatic dust removal cavities, and the second electrostatic dust removal component and the third electrostatic dust removal component are respectively arranged in the electrostatic dust removal cavities at the inlet and the outlet.
Optionally, the intelligent control system includes a CCD camera, an image processing module, a main control module and an execution module;
the CCD camera is connected with the image processing module and is used for shooting a real-time image of a workpiece to be processed fixed on the positioning fixture;
the image processing module is used for processing and identifying the real-time image of the workpiece to be processed;
the main control module is respectively connected with the image processing module and the execution module, and generates a control instruction according to the identified real-time image condition of the workpiece to be processed;
the execution module is respectively connected with the conveying mechanism and the laser, and is used for executing a control instruction of the main control module and controlling the conveying of the workpiece to be processed and the cutting and/or welding processing of the laser.
Optionally, the main control module is connected with a positioning correction module, and the positioning correction module can introduce the workpiece model to be processed to determine the standard positioning of the workpiece; the intelligent control system carries out positioning correction on each workpiece to be processed before processing and resets after processing; wherein, the process of positioning and correcting is as follows:
the main control module determines the real-time positioning of the workpiece to be processed according to the identified real-time image of the workpiece to be processed;
the positioning correction module compares the real-time positioning of the workpiece to be processed with the standard positioning of the workpiece to obtain positioning correction data;
the main control module generates a positioning correction instruction according to the positioning correction data, and the execution module controls the positioning fixture and the conveying mechanism according to the positioning correction instruction so as to adjust the position of the workpiece to be processed.
Optionally, the main control module is connected with a data acquisition module, the data acquisition module is connected with a temperature sensor, and the temperature sensor is used for measuring the environmental temperature of cutting and/or welding processing;
and the main control module controls the working state of the laser according to the ambient temperature.
Optionally, the main control module is connected with a communication module, and the communication module is used for connecting a network to realize remote communication and control.
According to the full-automatic laser cutting and welding equipment, the automatic control of the whole laser cutting and welding process is carried out through the intelligent control system, the laser cutting and the laser welding are integrated, the switching and the adjustment of the laser cutting and the laser welding are realized through the intelligent control system, the intelligent degree of the equipment is improved, and the precision and the efficiency of the laser cutting and welding processing are further improved; the jig platform is used for arranging the positioning clamp to fix the workpiece to be machined, the conveying part of the conveying mechanism bears and conveys the jig platform, the workpiece to be machined is moved to the position of the laser, the position of the workpiece to be machined is prevented from being deviated, and machining precision and quality are guaranteed.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a conventional laser cutting and welding apparatus;
FIG. 2 is a schematic perspective view of a full-automatic laser cutting and welding apparatus according to an embodiment of the present disclosure;
FIG. 3 is a perspective view of the moving mechanism, the wire feeding mechanism and the jig platform of the fully automatic laser cutting and welding equipment of the present invention;
fig. 4 is a schematic diagram of an intelligent control system in an embodiment of the fully automatic laser cutting and welding device of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
As shown in fig. 2, an embodiment of the present invention provides a full-automatic laser cutting and welding device, which includes a jig platform 1, a conveying mechanism 2, a laser 3, and an intelligent control system 4;
the jig platform 1 is provided with a positioning clamp, the jig platform 1 is used for storing a workpiece to be machined, and the positioning clamp is used for fixing the workpiece to be machined;
the conveying mechanism 2 comprises a fixing part and a conveying part, and the conveying part is used for driving the jig platform to move;
the laser 3 is used for cutting and/or welding a workpiece to be processed according to the requirement;
and the intelligent control system 4 is respectively connected with the positioning fixture, the conveying mechanism 2 and the laser 3 and is used for automatically controlling the conveying of the workpiece to be processed and the cutting and/or welding processing of the laser 3.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the whole laser cutting and welding process is automatically controlled through an intelligent control system, the laser cutting and the laser welding are integrated, the switching and the adjustment of the laser cutting and the laser welding are realized through the intelligent control system, the intelligent degree of equipment is improved, and the precision and the efficiency of laser cutting and welding processing are further improved; the jig platform is used for arranging a positioning clamp to fix the workpiece to be machined, a conveying part of the conveying mechanism is used for bearing and conveying the jig platform, the workpiece to be machined is moved to the position of the laser, the position of the workpiece to be machined is prevented from deviating, and machining precision and quality are guaranteed; wherein, what the intelligence control system actually connects is positioning fixture and conveying mechanism's drive assembly (such as motor).
In one embodiment, as shown in fig. 3, a moving mechanism 6 is mounted on a fixed part of the conveying mechanism 2, and the moving mechanism 6 is connected with the intelligent control system 4;
the laser 3 comprises a laser emitting head 31, and the laser emitting head 31 is arranged on the moving mechanism 6;
the movement mechanism 6 is used for adjusting the position and/or direction of the laser emitting head 31 under the control of the intelligent control system 4.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the movement mechanism is used for mounting the laser emitting head of the laser, and the intelligent control system is used for controlling according to the processing setting of cutting and/or welding, so that the position and/or direction of the laser emitting head can be flexibly adjusted, and the welding of each set welding point and/or the cutting of a cutting line of a workpiece to be processed can be realized; the position of the laser emitting head can be kept in fit and coordination with the positioning of a workpiece to be processed fixed by the positioning fixture on the jig platform all the time through the adjustment of the movement mechanism, so that the processing precision and quality are improved.
In one embodiment, the motion mechanism comprises three layers of moving frames: the device comprises a bottom layer moving frame, a middle layer moving frame and a top layer moving frame;
each layer of moving frame is provided with a guide rod, a screw rod and a servo motor, the guide rods of the moving frames on the same layer are parallel to the screw rod, and the servo motor drives the screw rod to rotate so that the moving frames move along the guide rods;
the guide rod, the screw rod and the servo motor of the bottom layer moving frame are arranged on a fixed part of the conveying mechanism;
the guide rod, the screw rod and the servo motor of the middle-layer moving frame are arranged on the bottom-layer moving frame;
the guide rod, the screw rod and the servo motor of the top layer moving frame are arranged on the middle layer moving frame, an angle adjusting frame is arranged on the top layer moving frame, and the laser emitting head is arranged on the angle adjusting frame;
the guide rods of the three layers of moving frames are perpendicular to each other, and the servo motor and the angle adjusting frame are connected with the intelligent control system.
The working principle and the beneficial effects of the technical scheme are as follows: the movement mechanism of the scheme adopts a three-layer moving frame structure design, a servo motor is adopted for movement of each layer to drive a lead screw to rotate so that the moving frame moves along a guide rod, the guide rods of the three layers of moving frames are mutually vertical and are guided by the guide rods to realize three-dimensional movement, the guide rods of the three layers of moving frames are mutually vertical, namely the guide rods of the three layers of moving frames can be respectively parallel to one coordinate axis direction of three-dimensional coordinate axes, so that the movement in the three coordinate axis directions is realized; in addition, the laser emitting head is connected with the top layer moving frame through the angle adjusting frame, and the angle adjusting frame can adjust the angle, so that the deflection of the laser emitting head is realized.
In one embodiment, as shown in fig. 3, the moving mechanism 6 is provided with a wire feeder 7, and the wire feeder 7 is connected with the intelligent control system 4; and the wire feeding mechanism 7 is used for conveying tin wires 8 to a workpiece to be processed fixed on the positioning fixture of the jig platform 1 under the control of the intelligent control system 4.
The working principle and the beneficial effects of the technical scheme are as follows: this scheme is used for carrying the tin silk through set up thread feeding mechanism on the moving mechanism, can let the tin silk along with moving mechanism and laser emission head synchronous motion, keeps in step that the tin silk is carried and laser emission head and tool platform on the fixed agreeable nature and the harmony of waiting to process the work piece location of positioning fixture, is favorable to ensureing welded precision and quality.
In one embodiment, as shown in fig. 2, the conveying mechanism 2 is provided with an outer housing 5 at the laser position, and the laser 3 and the movement mechanism 6 are enclosed inside by the outer housing 5; the outer shell 5 is provided with an inlet and an outlet, and the conveying mechanism 2 penetrates through the outer shell 5 from the inlet and the outlet;
the utility model discloses a dust collection device, including shell body 5 internally mounted has the dust catcher, the dust catcher is connected with intelligent control system 4, the dust absorption pipe of dust catcher configuration extends to kinematic mechanism 6 and the mouth of pipe of dust absorption pipe towards tool platform 1.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the outer shell is arranged to provide relatively independent space for laser cutting and welding processing, so that danger caused by mistaken entry of personnel can be eliminated; the dust collector is arranged to remove residues generated by processing, so that the processing quality and environment are prevented from being influenced by diffusion; in addition, can set up the observation window on the shell body, the observation window adopts transparent material so that tour the observation.
In one embodiment, an electrostatic dust removal device is arranged inside the outer shell 5, the electrostatic dust removal device comprises a first electrostatic dust removal component, a second electrostatic dust removal component and a third electrostatic dust removal component, the first electrostatic dust removal component is arranged at the upper end of the jig platform 1, and the electrostatic dust removal device is connected with the intelligent control system 4;
the import and the export of shell body 5 all are equipped with electrostatic precipitator chamber, second electrostatic precipitator part and third electrostatic precipitator part set up respectively in the electrostatic precipitator intracavity of import and export position.
The working principle and the beneficial effects of the technical scheme are as follows: this scheme is through setting up electrostatic precipitator device, prevents and removes off dirt control with first electrostatic precipitator part, second electrostatic precipitator part and third electrostatic precipitator part to shell body inside, import and export respectively, further ensures the cleanliness factor of laser welding processing environment, avoids the adverse effect of dust to welding quality, realizes the precision welding.
In one embodiment, as shown in fig. 4, the intelligent control system 4 includes a CCD camera 41, an image processing module 42, a main control module 43, and an execution module 44;
the CCD camera 41 is connected with the image processing module 42, and the CCD camera 41 is used for shooting a real-time image of a workpiece to be processed fixed on the positioning fixture;
the image processing module 42 is used for processing and identifying the real-time image of the workpiece to be processed;
the main control module 43 is respectively connected with the image processing module 42 and the execution module 44, and the main control module 43 generates a control instruction according to the identified real-time image condition of the workpiece to be processed;
the execution module 44 is connected to the conveying mechanism 2 and the laser 3, respectively, and the execution module 44 is configured to execute a control instruction of the main control module 43, and control conveying of the workpiece to be processed and cutting and/or welding processing of the laser 3.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, a CCD camera is adopted to shoot a real-time image of a workpiece to be machined, which is fixed on a positioning fixture, an image processing module is used for image processing and identification, a main control module generates a control instruction according to the identified real-time image condition of the workpiece to be machined, an execution module is used for controlling related components, and conveying, cutting and/or welding machining of the workpiece to be machined is realized; the CCD camera can be used for acquiring a high-precision real-time image and ensuring the identification precision of a workpiece to be machined, so that the main control module can realize precision cutting and/or welding machining on the basis of the acquired high-precision image data; the CCD camera can be installed on the motion mechanism so as to adjust the position and aim at the workpiece to be processed to carry out high-precision real-time image shooting.
In one embodiment, as shown in fig. 4, the main control module 43 is connected to a positioning correction module 45, and the positioning correction module 45 can introduce a workpiece model to be processed to determine a standard positioning of the workpiece; the intelligent control system 4 carries out positioning correction on each workpiece to be processed before processing and resets after processing; wherein, the process of positioning and correcting is as follows:
the main control module 43 determines the real-time positioning of the workpiece to be processed according to the identified real-time image of the workpiece to be processed;
the positioning correction module 45 compares the real-time positioning of the workpiece to be processed with the standard positioning of the workpiece to obtain positioning correction data;
the main control module 43 generates a positioning correction instruction according to the positioning correction data, and the execution module 44 controls the positioning fixture and the conveying mechanism 2 according to the positioning correction instruction to adjust the position of the workpiece to be processed.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the positioning correction module is arranged, the standard positioning of the workpiece is determined by introducing the workpiece model to be machined, and different workpiece models to be machined can be introduced to position different workpieces to be machined; shooting a high-precision real-time image by using a CCD camera to determine the real-time positioning of the workpiece to be machined, obtaining positioning correction data by comparing the real-time positioning with the standard positioning of the workpiece, generating a positioning correction instruction, and adjusting the position of the workpiece to be machined to realize the positioning correction; according to the scheme, each workpiece to be processed is positioned and corrected, conveying deviation of different workpieces to be processed can be avoided, and positioning accuracy is guaranteed, so that laser cutting and laser welding processing with higher accuracy are achieved.
In one embodiment, as shown in fig. 4, the main control module 43 is connected with a data acquisition module 46, the data acquisition module 46 is connected with a temperature sensor 47, and the temperature sensor 47 is used for measuring the ambient temperature of the cutting and/or welding process;
the main control module 43 controls the working state of the laser 3 according to the ambient temperature.
The working principle and the beneficial effects of the technical scheme are as follows: this scheme is through setting up data acquisition module and connecting temperature sensor and carry out ambient temperature and detect, controls the adjustment according to ambient temperature to the operating condition of laser instrument, avoids the influence of ambient temperature discrepancy to laser cutting and laser welding processing, improves the unanimity of product laser cutting and laser welding processing quality.
In one embodiment, the main control module 43 adjusts the laser emission power of the laser by using the following formula:
Figure BDA0003473555520000081
in the above formula, Q represents the laser emission power of the adjusted laser, T represents the ambient temperature, and the unit is Kelvin, T 0 Indicating a set standard working temperature in kelvin, C the specific heat of the workpiece to be machined during cutting, the specific heat of the tin wire during soldering, Q 1 The laser power required for melting a workpiece to be processed during laser cutting or melting a tin wire during laser welding is obtained through calculation or test, e represents a natural constant, k represents an air attenuation coefficient of the laser, the air attenuation coefficient is related to the components and air pressure of air and is obtained through test measurement, and Q 2 The air attenuation quantity representing the laser power is obtained through calculation or experimental test;
the main control module 43 generates a laser control instruction according to the calculation result, and the execution module 44 controls the working state of the laser 3 according to the laser control instruction.
The working principle and the beneficial effects of the technical scheme are as follows: the formula is adopted to adjust the laser emission power of the laser needed in the laser cutting and laser welding processing, the formula reflects the quantitative influence of the deviation of the process environment temperature and the set standard working temperature on the laser emission power requirement when the laser cutting and laser welding are carried out, when the environment temperature is lower than the standard working temperature, the required laser emission power is large, and when the environment temperature is higher than the standard working temperature, the required laser emission power is small; according to the scheme, the accurate control of the laser emission power of laser cutting and laser welding can be realized, the phenomenon that the energy consumption is increased due to the overlarge laser emission power is avoided, and the phenomenon that the machining quality cannot be guaranteed due to the fact that the laser emission power is too small is also prevented.
In one embodiment, the main control module 43 is connected to a communication module, and the communication module is used for connecting a network to implement remote communication and control.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the communication module is arranged to be connected with the network, so that the remote terminal can be connected, remote communication, access, maintenance and control are realized, remote software upgrading service is allowed, and remote operation and observation are facilitated; the frequency and frequency of related technical personnel arriving at the site are reduced, the influence of personnel intervention on equipment processing is reduced, and the use and maintenance cost is reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. The full-automatic laser cutting and welding equipment is characterized by comprising a jig platform, a conveying mechanism, a laser and an intelligent control system;
the jig platform is provided with a positioning clamp, the jig platform is used for storing a workpiece to be machined, and the positioning clamp is used for fixing the workpiece to be machined;
the conveying mechanism comprises a fixing part and a conveying part, and the conveying part is used for driving the jig platform to move;
the laser is used for cutting and/or welding a workpiece to be processed according to the requirement;
the intelligent control system is respectively connected with the positioning fixture, the conveying mechanism and the laser and is used for automatically controlling the conveying of the workpiece to be processed and the cutting and/or welding processing of the laser;
the intelligent control system comprises a main control module, the main control module is connected with a data acquisition module, the data acquisition module is connected with a temperature sensor, and the temperature sensor is used for measuring the environmental temperature of cutting and/or welding processing;
the main control module controls the working state of the laser according to the ambient temperature;
the main control module adopts the following formula to adjust the laser emission power of the laser:
Figure FDA0003701836920000011
in the above formula, Q represents the laser emission power of the adjusted laser, T represents the ambient temperature, and the unit is Kelvin, T 0 Indicating a set standard working temperature in kelvin, C the specific heat of the workpiece to be machined during cutting, the specific heat of the tin wire during soldering, Q 1 The laser power required for melting a workpiece to be processed during laser cutting or melting a tin wire during laser welding is obtained through calculation or experimental test, e represents a natural constant, k represents an air attenuation coefficient of laser, the air attenuation coefficient is related to air components and air pressure and is obtained through experimental measurement, and Q 2 The air attenuation quantity representing the laser power is obtained through calculation or experimental test;
the main control module generates a laser control instruction according to the calculation result, and the execution module controls the working state of the laser according to the laser control instruction.
2. The full-automatic laser cutting and welding equipment according to claim 1, wherein a moving mechanism is mounted on a fixed part of the conveying mechanism, and the moving mechanism is connected with an intelligent control system;
the laser comprises a laser emitting head, and the laser emitting head is arranged on the movement mechanism;
the movement mechanism is used for adjusting the position and/or the direction of the laser emitting head under the control of the intelligent control system.
3. The full-automatic laser cutting and welding equipment according to claim 2, characterized in that a wire feeder is mounted on the moving mechanism, and the wire feeder is connected with an intelligent control system; and the wire feeding mechanism is used for conveying tin wires to the workpiece to be processed fixed on the positioning fixture under the control of the intelligent control system.
4. The fully automatic laser cutting and welding apparatus of claim 2, wherein the motion mechanism comprises three layers of moving frames: the device comprises a bottom layer moving frame, a middle layer moving frame and a top layer moving frame;
each layer of moving frame is provided with a guide rod, a screw rod and a servo motor, the guide rods of the moving frames on the same layer are parallel to the screw rod, and the servo motor drives the screw rod to rotate so that the moving frames move along the guide rods;
the guide rod, the screw rod and the servo motor of the bottom layer moving frame are arranged on a fixed part of the conveying mechanism;
the guide rod, the screw rod and the servo motor of the middle-layer moving frame are arranged on the bottom-layer moving frame;
the guide rod, the screw rod and the servo motor of the top layer moving frame are arranged on the middle layer moving frame, an angle adjusting frame is arranged on the top layer moving frame, and the laser emitting head is arranged on the angle adjusting frame;
the guide rods of the three layers of moving frames are perpendicular to each other, and the servo motor and the angle adjusting frame are connected with the intelligent control system.
5. The fully automatic laser cutting and welding apparatus according to claim 2, wherein the conveying mechanism provides an outer housing at the laser location, the laser and the movement mechanism being enclosed inside by the outer housing; the outer shell is provided with an inlet and an outlet, and the conveying mechanism penetrates through the outer shell from the inlet and the outlet;
the utility model discloses a dust collection device, including shell body, dust catcher, motion mechanism and dust collection pipe, shell body internally mounted has the dust catcher, the dust catcher is connected with intelligence control system, the dust absorption pipe of dust catcher configuration extends to the mouth of pipe of motion mechanism and dust absorption pipe towards tool platform.
6. The full-automatic laser cutting and welding equipment according to claim 5, wherein an electrostatic dust removal device is arranged inside the outer shell, the electrostatic dust removal device comprises a first electrostatic dust removal component, a second electrostatic dust removal component and a third electrostatic dust removal component, the first electrostatic dust removal component is arranged at the upper end of the jig platform, and the electrostatic dust removal device is connected with an intelligent control system;
the inlet and the outlet of the outer shell are provided with electrostatic dust removal cavities, and the second electrostatic dust removal component and the third electrostatic dust removal component are arranged in the electrostatic dust removal cavities at the inlet and the outlet respectively.
7. The full-automatic laser cutting and welding device according to claim 1, wherein the intelligent control system comprises a CCD camera, an image processing module and an execution module;
the CCD camera is connected with the image processing module and is used for shooting a real-time image of a workpiece to be processed fixed on the positioning fixture;
the image processing module is used for processing and identifying the real-time image of the workpiece to be processed;
the main control module is respectively connected with the image processing module and the execution module, and generates a control instruction according to the identified real-time image condition of the workpiece to be processed;
the execution module is respectively connected with the conveying mechanism and the laser, and is used for executing the control instruction of the main control module and controlling the conveying of the workpiece to be processed and the cutting and/or welding processing of the laser.
8. The full-automatic laser cutting and welding equipment according to claim 7, wherein the main control module is connected with a positioning correction module, and the positioning correction module can guide a workpiece model to be machined to determine the standard positioning of the workpiece; the intelligent control system carries out positioning correction on each workpiece to be processed before processing and resets after processing; wherein, the process of positioning correction is as follows:
the main control module determines the real-time positioning of the workpiece to be processed according to the identified real-time image of the workpiece to be processed;
the positioning correction module compares the real-time positioning of the workpiece to be processed with the standard positioning of the workpiece to obtain positioning correction data;
the main control module generates a positioning correction instruction according to the positioning correction data, and the execution module controls the positioning fixture and the conveying mechanism according to the positioning correction instruction so as to adjust the position of the workpiece to be processed.
9. The full-automatic laser cutting and welding equipment as claimed in claim 7, wherein the master control module is connected with a communication module, and the communication module is used for connecting a network to realize remote communication and control.
CN202210049745.1A 2022-01-17 2022-01-17 Full-automatic laser cutting welding equipment Active CN114131198B (en)

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JP2000158162A (en) * 1998-11-20 2000-06-13 Kobe Steel Ltd Method and device for laser cut welding
CN104384724B (en) * 2014-11-17 2017-07-21 广东正业科技股份有限公司 A kind of laser cutting device and its cutting method for cutting lug
CN106141436A (en) * 2016-08-17 2016-11-23 广东工业大学 Wire filling laser welding increases material repair apparatus and method for repairing and mending
CN107322161A (en) * 2017-07-19 2017-11-07 中山汉通激光设备有限公司 A kind of Multifunction laser welding machine
CN108274135A (en) * 2018-03-30 2018-07-13 海目星（江门）激光智能装备有限公司 A kind of full-automatic battery shell laser cutting device
CN109158754A (en) * 2018-09-14 2019-01-08 苏州迈克埃迩科技有限公司 A kind of automation equipment for the processing of multi-ladder thicknesses of metal plate
CN209902473U (en) * 2019-04-03 2020-01-07 大族激光科技产业集团股份有限公司 Laser welding device

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