CN213495397U

CN213495397U - Online large-area wide-width laser cleaning and texturing device

Info

Publication number: CN213495397U
Application number: CN202022076956.3U
Authority: CN
Inventors: 温冰; 湛欢; 丁铮; 陈健; 李震; 王亦军; 汪树兵
Original assignee: Baoyu Wuhan Laser Technology Co ltd
Current assignee: Baoyu Wuhan Laser Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-22
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses an online large-area broad-width laser cleaning and texturing device, which comprises a workpiece conveying platform, a first laser cleaning and texturing module, a second laser cleaning and texturing module and a PLC control system; the workpiece conveying table is used for conveying a target workpiece to be cleaned or cleaned and roughened to stations where the first laser cleaning and roughening module and the second laser cleaning and roughening module are located for corresponding cleaning or/and roughening treatment; the first laser cleaning and texturing module is used for cleaning or/and texturing the lower surface of the target workpiece; the second laser cleaning and texturing module is used for cleaning or/and texturing the upper surface of the target workpiece; the PLC control system is used for controlling the workpiece conveying platform and the first and second laser cleaning and texturing modules to carry out corresponding workpiece conveying, cleaning or/and texturing processing. The utility model has the advantages that: the cleaning efficiency is high, and multiple back-and-forth movements are not needed, so that the working environment comfort level of the operating personnel is improved, and the risk of occupational diseases of the operating personnel is reduced.

Description

Online large-area wide-width laser cleaning and texturing device

Technical Field

The utility model relates to a laser application technology field, specific saying so relates to an online large tracts of land broad width laser washs and texturing device.

Background

The traditional manufacturing industry has a plurality of modes of cleaning, derusting and roughening the surface of a workpiece, and basically has two types: firstly, chemical agents are adopted; secondly, a mechanical method is adopted; these methods basically have more or less defects, such as: the auxiliary workload is large, the labor intensity of operators is high, the operators are not good for physical health, the environment pollution is serious, the substrates are damaged, secondary treatment is needed, and the like, and obviously, the traditional cleaning methods do not accord with the development trend of modern manufacturing industry.

Based on the above, a brand new cleaning mode which has small auxiliary workload, low labor intensity for operators, no pollution to the environment, no damage to the base material and no need of secondary treatment is needed to be developed; as a green cleaning method, laser cleaning is used, and no chemical agent or cleaning solution is needed, so that the method has the advantages of no pollution to the environment, no damage to a substrate, micron-scale accurate control, no need of secondary treatment, no occurrence of speckles and the like, and is the most reliable and effective cleaning method at present.

Although the laser cleaning technology is applied in some industries or fields, the laser cleaning technology has not been widely popularized and applied because the adjustment requirements of the distance between the laser and the cleaning surface and the laser frequency are high and the implementation difficulty is high. Although a handheld laser cleaner appears in the market, due to the limitation of the structure, the cleaning breadth is small, the cleaning efficiency is low, the handheld laser cleaner cannot be used for large-area cleaning, the distance between the handheld laser cleaner and the cleaning surface is difficult to control accurately, the cleaning is uneven, the effect is poor, and the requirements of people cannot be met far away.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an online large tracts of land broad width laser washs and texturing device for solve the problem that exists among the background art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an online large-area broad-width laser cleaning and texturing device comprises a workpiece conveying table, a first laser cleaning and texturing module arranged below the workpiece conveying table, a second laser cleaning and texturing module arranged above the workpiece conveying table and a PLC control system arranged on one side of the workpiece conveying table; the workpiece conveying table, the first laser cleaning and texturing module and the second laser cleaning and texturing module are all electrically connected with the PLC control system; wherein:

the workpiece conveying table is used for sequentially conveying the target workpiece to stations where the first laser cleaning and texturing module and the second laser cleaning and texturing module are located to perform corresponding laser cleaning; the first laser cleaning and texturing module is used for performing laser cleaning on the lower surface of the target workpiece; the second laser cleaning and texturing module is used for carrying out laser cleaning on the upper surface of the target workpiece; the PLC control system is used for controlling the workpiece conveying platform, the first laser cleaning and texturing module and the second laser cleaning and texturing module to perform corresponding workpiece conveying and laser cleaning processing work;

or the workpiece conveying table is used for conveying the target workpiece to the stations where the first laser cleaning and texturing module and the second laser cleaning and texturing module are located in sequence for corresponding laser cleaning, and then conveying the cleaned target workpiece from the station where the second laser cleaning and texturing module is located to the station where the first laser cleaning and texturing module is located in sequence for corresponding laser texturing; the first laser cleaning and texturing module is used for performing laser cleaning and laser texturing treatment on the lower surface of the target workpiece; the second laser cleaning and texturing module is used for performing laser cleaning and laser texturing treatment on the upper surface of the target workpiece; the PLC control system is used for controlling the workpiece conveying table, the first laser cleaning and texturing module and the second laser cleaning and texturing module to perform corresponding workpiece conveying, laser cleaning and laser texturing processing.

Furthermore, the workpiece conveying table comprises a first conveying table, a second conveying table and a third conveying table which are sequentially connected from front to back; the first conveying table, the second conveying table and the third conveying table respectively comprise a conveying table supporting frame, and a conveying line driving motor which are arranged on the conveying table supporting frame;

and conveying line driving motors in the first conveying table, the second conveying table and the third conveying table are connected with the PLC control system and are used for respectively driving the corresponding conveying lines to operate under the control of the PLC control system so as to realize the transportation of the target workpiece.

Further, the first laser cleaning and texturing module is arranged below a joint part of a first conveying table and a second conveying table of the workpiece conveying table; the second laser cleaning and texturing module is arranged above the joint part of the second conveying table and the third conveying table of the workpiece conveying table;

the first conveying table is used for conveying a target workpiece to be cleaned to the second conveying table;

the second conveying table is used for conveying the target workpiece to be cleaned to the third conveying table;

the third conveying table is used for receiving the target workpiece which is conveyed by the second conveying table and is cleaned;

the first laser cleaning and texturing module is used for carrying out laser cleaning treatment on the lower surface of the target workpiece in the process of conveying the target workpiece to the second conveying table by the first conveying table;

the second laser cleaning and texturing module is used for carrying out laser cleaning treatment on the upper surface of the target workpiece in the process that the target workpiece is conveyed to the third conveying platform by the second conveying platform.

the first conveying table is used for conveying the target workpiece to be cleaned and roughened to the second conveying table and receiving the cleaned and roughened target workpiece conveyed by the second conveying table;

the second conveying table is used for conveying the target workpiece to be cleaned and roughened to the third conveying table and receiving the cleaned target workpiece to be roughened conveyed by the third conveying table;

the third conveying table is used for receiving the target workpiece which is conveyed by the second conveying table and is cleaned and to be roughened and conveying the target workpiece which is cleaned and to be roughened to the second conveying table;

the first laser cleaning and texturing module is used for carrying out laser cleaning treatment on the lower surface of the target workpiece in the process of conveying the target workpiece to the second conveying table by the first conveying table and carrying out laser texturing treatment on the lower surface of the cleaned target workpiece in the process of conveying the cleaned target workpiece to the first conveying table by the second conveying table;

the second laser cleaning and texturing module is used for carrying out laser cleaning processing on the upper surface of the target workpiece in the process that the target workpiece is conveyed to the third conveying platform by the second conveying platform, and carrying out laser texturing processing on the upper surface of the cleaned target workpiece in the process that the cleaned target workpiece is conveyed to the second conveying platform by the third conveying platform.

Furthermore, a first photoelectric sensor is arranged at the end part of one end of the first conveying table, which is connected with the second conveying table; a second photoelectric sensor is arranged at the end part of one end of the second conveying table, which is connected with the third conveying table; the first photoelectric sensor and the second photoelectric sensor are electrically connected with the PLC control system;

the first photoelectric sensor is used for triggering the first laser cleaning and texturing module to start and stop when sensing a target workpiece;

and the second photoelectric sensor is used for triggering the second laser cleaning and texturing module to start and stop when sensing the target workpiece.

Furthermore, a first dust collection cover is arranged on one side of the first laser cleaning and texturing module facing the target workpiece, and the first dust collection cover is connected with a first dust collector arranged on one side of the workpiece conveying table; a second dust collection cover is arranged on one side of the second laser cleaning and texturing module facing the target workpiece and is connected with a second dust collector arranged on one side of the workpiece conveying table; the first dust collector and the second dust collector are electrically connected with the PLC control system;

the first dust collection cover is used for collecting dust and dirt generated on the lower surface of the target workpiece in a laser cleaning process or a laser texturing process and conveying the dust and dirt to the first dust collector for storage;

the second dust collecting cover is used for collecting dust and dirt generated on the upper surface of the target workpiece in a laser cleaning process or a laser texturing process and conveying the dust and dirt into the second dust collector for storage.

Further, the first laser cleaning and texturing module and the second laser cleaning and texturing module both comprise one or more lasers, one or more cleaning texturing heads are arranged at the light source emitting end of each laser, and each cleaning texturing head comprises a gas distribution row, and a plurality of two-dimensional vibrating mirrors, a plurality of laser output heads and a plurality of air gun nozzles which are arranged on the gas distribution row;

each two-dimensional galvanometer is correspondingly arranged on an output light path of one laser output head and is used for irradiating the laser output by the laser output head to the surface of a target workpiece to carry out laser cleaning or laser cleaning and laser texturing treatment;

each laser output head is connected with the corresponding laser through an optical fiber and is used for injecting a laser source emitted by the laser to the corresponding two-dimensional galvanometer;

each laser is supported on the workpiece conveying table through a support and is used for providing a laser source for each corresponding laser output head;

at least two air gun nozzles are distributed around each two-dimensional galvanometer, and each air gun nozzle is communicated with the corresponding air distribution and exhaust inner cavity;

each gas distribution row is connected with an external gas pump and is used for spraying gas pumped by the external gas pump to the surface of a target workpiece through a gas gun nozzle connected with the gas distribution row so as to clean dust generated on the surface of the target workpiece in the laser cleaning or laser cleaning and laser texturing processes;

each laser and the external air pump are electrically connected with the PLC control system through wires.

Further, the PLC control system comprises a PLC controller, an upper computer connected with the PLC controller and a printer connected with the upper computer;

the upper computer is used for controlling the start and stop of the workpiece conveying platform, the start and stop of the first laser cleaning and texturing module, the start and stop of the second laser cleaning and texturing module, the start and stop of the first photoelectric sensor, the start and stop of the second photoelectric sensor, the start and stop of the first dust collector and the start and stop of the second dust collector through the PLC;

the printer is used for printing the data automatically generated in the upper computer in a form of a report.

Further, when the first laser cleaning and texturing module and the second laser cleaning and texturing module both comprise a plurality of lasers, the plurality of lasers are formed by combining a plurality of nanosecond pulse lasers with the output power of 50W-1000W and the pulse width of 1 ns-500 ns and a plurality of continuous lasers with the output power of 100-4000W, or the lasers are formed by a plurality of lasers which can be used for outputting nanosecond pulse laser beams with the output power of 50W-1000W and the pulse width of 1 ns-500 ns and continuous laser beams with the output power of 100-4000W;

when the first laser cleaning and texturing module and the second laser cleaning and texturing module both comprise a laser, the laser can be used for nanosecond pulse laser beams with the output power of 50W-1000W and the pulse width of 1 ns-500 ns, and can also be used for continuous laser beams with the output power of 100-4000W.

Further, the conveying line is a roller conveying line or a chain plate conveying line; the conveying line driving motor is a servo motor with a positive and negative rotation function.

Compared with the prior art, the utility model has the advantages that:

(1) the cleaning efficiency is high, the time is saved, the workpiece can be cleaned only by irradiating the workpiece once through the laser beam, and the workpiece does not need to move back and forth for multiple times;

(2) the working environment comfort level of the operating personnel can be greatly improved, the risk of occupational diseases of the operating personnel is greatly reduced, and meanwhile, the automatic production efficiency of a workshop is greatly improved;

(3) compared with the existing laser cleaning equipment, the cleaning efficiency of the cleaning device can be 30-50 m2/h, which is 6-10 times of that of the existing laser cleaning equipment;

(4) compared with the existing laser cleaning equipment, the cleaning range of the cleaning device can reach 0.6-1.2 m, which is 6-15 times of that of the existing laser cleaning equipment;

(5) compared with the existing laser cleaning equipment, the utility model can realize uniform laser cleaning of the surface of the workpiece, and can avoid the occurrence of cleaning interfaces and lines on the surface of the workpiece;

(6) compared with the traditional cleaning mode, the cleaning device is more environment-friendly, can solve the environmental problem caused by chemical cleaning from the source, and the cleaned waste materials are all solid powder, have small volume and easy storage, can be recycled by a dust collector and are correspondingly treated;

(7) not only can realize the cleaning of rust and an oxide layer on the surface of the workpiece, but also can realize the roughening treatment on the surface of the workpiece.

Drawings

Fig. 1 is a schematic diagram of the operation of an embodiment of the present invention;

FIG. 2 is a schematic plan view of the embodiment of FIG. 1;

FIG. 3 is a schematic perspective view of the embodiment of FIG. 1;

FIG. 4 is a first schematic view of the first laser cleaning and texturing module or a cleaning texturing head in the first laser cleaning and texturing module according to the embodiment of FIG. 1;

FIG. 5 is a first schematic view of the first laser cleaning and texturing module or a cleaning texturing head in the first laser cleaning and texturing module according to the embodiment of FIG. 1;

wherein, the working area for cleaning the texturing head 202 is indicated by the diagonal filling part in fig. 2;

description of reference numerals: 100. a workpiece conveying table; 101. a first conveying table; 101a, a conveying table support frame; 101b, a conveying line; 101c, a conveyor line driving motor; 102. a second conveying table; 103. a third conveying table; 200. a first laser cleaning and texturing module; 201. a laser; 202. cleaning the texturing head; 202a, gas distribution and exhaust; 202b, a two-dimensional galvanometer; 202c, a laser output head; 202d, air gun nozzle; 300. a second laser cleaning and texturing module; 400. a PLC control system; 401. a PLC controller; 402. an upper computer; 403. a printer; 500. a first photosensor; 600. a second photosensor; 700. a first dust collection cover; 800. a second dust collection cover; 900. a first dust collector; 1000. a second dust collector; 2000. a target workpiece; 3000. an air pump.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, how to implement the present invention is further explained below with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 3, the present invention provides an online large-area broad width laser cleaning and texturing device, which comprises a workpiece conveying table 100, a first laser cleaning and texturing module 200 disposed below the workpiece conveying table 100, a second laser cleaning and texturing module 300 disposed above the workpiece conveying table 100, and a PLC control system 400 disposed at one side of the workpiece conveying table 100; the workpiece conveying table 100, the first laser cleaning and texturing module 200 and the second laser cleaning and texturing module 300 are all electrically connected with the PLC control system 400.

According to the actual need, the laser cleaning device can be only used for carrying out laser cleaning on a target workpiece (such as a steel plate), and can also be used for carrying out laser cleaning and laser texturing on the target workpiece (such as the steel plate).

For example: when the laser cleaning device is only used for carrying out laser cleaning on a target workpiece (such as a steel plate), the workpiece conveying table 100 is only used for sequentially conveying the target workpiece 2000 to the station where the first laser cleaning and texturing module 200 and the second laser cleaning and texturing module 300 are located for carrying out corresponding laser cleaning; the first laser cleaning and texturing module 200 is used for performing laser cleaning treatment on the lower surface of the target workpiece 2000 when the target workpiece 2000 is transported to a position right above the station where the target workpiece is located; the second laser cleaning and texturing module 300 is used for performing laser cleaning on the upper surface of the target workpiece 2000 when the target workpiece 2000 is transported to a position right below the station where the target workpiece is located; the PLC control system 400 is used to control the workpiece conveying table 100, the first laser cleaning and texturing module 200, and the second laser cleaning and texturing module 300 to perform corresponding workpiece transportation and laser cleaning processing operations.

When the utility model is used for need carry out laser cleaning to target work piece (for example: steel sheet) promptly, need carry out laser texturing to target work piece (for example: steel sheet) again when handling, work piece transport platform 100 then is used for carrying out corresponding laser cleaning with target work piece 2000 in proper order to the station department that first laser cleaning and texturing module 200 and second laser cleaning and texturing module 300 were located, then will wash the target work piece 2000 of accomplishing and transport to the station department that first laser cleaning and texturing module 200 were located from the station department that second laser cleaning and texturing module 300 were located in proper order again and carry out corresponding laser texturing; the first laser cleaning and texturing module 200 is used for both laser cleaning of the lower surface of the target workpiece 2000 and laser texturing of the lower surface of the target workpiece 2000; the second laser cleaning and texturing module 300 is used for performing laser cleaning on the upper surface of the target workpiece 2000 and performing laser texturing on the upper surface of the target workpiece 2000; the PLC control system 400 is configured to control the workpiece conveying table 100, the first laser cleaning and texturing module 200, and the second laser cleaning and texturing module 300 to perform corresponding workpiece transportation, laser cleaning, and laser texturing operations.

As an embodiment of the present invention: referring to fig. 2 and 3, the workpiece conveying table 100 includes a first conveying table 101, a second conveying table 102, and a third conveying table 103, which are successively arranged from front to back; the first conveying table 101, the second conveying table 102 and the third conveying table 103 each include a conveying table support frame 101a, and a conveying line 101b and a conveying line driving motor 101c which are arranged on the conveying table support frame 101 a;

the conveyor line driving motors 101c in the first conveying table 101, the second conveying table 102 and the third conveying table 103 are all connected to the PLC control system 400, and are used for driving the corresponding conveyor lines 101b to operate under the control of the PLC control system 400, so as to transport the target workpiece 2000.

Specifically, in this embodiment, referring to fig. 2 and 3, the first laser cleaning and texturing module 200 of the present invention is disposed below the joint portion of the first conveying table 101 and the second conveying table 102 in the workpiece conveying table 100 of this embodiment; the second laser cleaning and texturing module 300 is disposed above the joint portion of the second conveying table 102 and the third conveying table 103 in the workpiece conveying table 100 of this embodiment.

Specifically, in this embodiment, when the present invention is used only for laser cleaning of a target workpiece (e.g., a steel plate): wherein the first transport table 101 is used to transfer the target workpiece 2000 to be cleaned onto the second transport table 102; the second conveying table 102 is used for transferring the target workpiece 2000 to be cleaned onto the third conveying table 103; the third conveying table 103 is used for receiving the target workpiece 2000 which is conveyed from the second conveying table 102 and is cleaned; the first laser cleaning and texturing module 200 is configured to perform laser cleaning processing on the lower surface of the target workpiece 2000 during the process that the target workpiece 2000 is transferred onto the second conveying table 102 by the first conveying table 101; the second laser cleaning and texturing module 300 is configured to perform laser cleaning processing on the upper surface of the target workpiece 2000 during the process of transferring the target workpiece 2000 onto the third transfer table 103 by the second transfer table 102.

Specifically, in this embodiment, when the present invention is used for laser cleaning and laser texturing a target workpiece (e.g., a steel sheet): the first conveying platform 101 is used for conveying the target workpiece 2000 to be cleaned and roughened onto the second conveying platform 102 and receiving the cleaned and roughened target workpiece 2000 conveyed by the second conveying platform 102; the second conveying platform 102 is used for conveying the target workpiece 2000 to be cleaned and roughened onto the third conveying platform 103 and receiving the cleaned and roughened target workpiece 2000 conveyed by the third conveying platform 103; the third conveying platform 103 is used for receiving the cleaned target workpiece 2000 to be roughened, which is conveyed by the second conveying platform 102, and transferring the cleaned target workpiece 2000 to be roughened onto the second conveying platform 102; the first laser cleaning and texturing module 200 is configured to perform laser cleaning processing on the lower surface of the target workpiece 2000 during the process that the first conveying table 101 conveys the target workpiece 2000 to be cleaned and textured onto the second conveying table 102, and perform laser texturing processing on the lower surface of the target workpiece 2000 during the process that the second conveying table 102 conveys the target workpiece 2000, which is cleaned and textured, onto the first conveying table 101; the second laser cleaning and texturing module 300 is configured to perform laser cleaning processing on the upper surface of the target workpiece 2000 during the process that the target workpiece 2000 to be cleaned and textured is transported by the second transport table 102 onto the third transport table 103, and perform laser texturing processing on the upper surface of the target workpiece 2000 during the process that the target workpiece 2000 to be cleaned and textured is transported by the third transport table 103 onto the second transport table 102.

Specifically, in this embodiment, referring to fig. 2 and 3, a first photoelectric sensor 500 is further disposed at an end of the end where the first conveying table 101 is connected to the second conveying table 102; a second photoelectric sensor 600 is arranged at the end part of one end of the second conveying platform 102, which is connected with the third conveying platform 103; the first photoelectric sensor 500 and the second photoelectric sensor 600 are both electrically connected with the PLC control system 400;

the first photoelectric sensor 500 is used for triggering the first laser cleaning and texturing module 200 to start or stop when sensing the head end of the target workpiece 2000 and triggering the first laser cleaning and texturing module 200 to start or stop when sensing the tail end of the target workpiece 2000 to leave;

the second photoelectric sensor 600 is used for triggering the second laser cleaning and texturing module 300 to start or stop when the head end of the target workpiece 2000 is sensed, and triggering the second laser cleaning and texturing module 300 to start or stop when the tail end of the target workpiece 2000 is sensed to leave.

Specifically, in this embodiment, referring to fig. 2 and 3, a first dust collecting hood 700 is further disposed on a side of the first laser cleaning and texturing module 200 facing the target workpiece 2000, and the first dust collecting hood 700 is connected to a first dust collector 900 disposed on a side of the workpiece conveying table 100; a second dust collection cover 800 is further disposed on a side of the second laser cleaning and texturing module 300 facing the target workpiece 2000, and the second dust collection cover 800 is connected to a second dust collector 1000 disposed on a side of the workpiece conveying table 100; the first dust collector 900 and the second dust collector 1000 are electrically connected to the PLC control system 400;

wherein, the first dust collecting cover 700 is used for collecting dust and dirt generated on the lower surface of the target workpiece 2000 in the laser cleaning process or the laser texturing process, and conveying the dust and dirt to the first dust collector 900 for storage; the second dust collection cover 800 is used to collect dust and dirt generated from the upper surface of the target workpiece 2000 during the laser cleaning process or the laser texturing process, and transfer the dust and dirt to the second dust collector 1000 for storage.

Specifically, in this embodiment, referring to fig. 1, the first laser cleaning and texturing module 200 and the second laser cleaning and texturing module 300 each include a laser 201, and a cleaning texturing head 202 is disposed on the light source emitting end of the laser 201.

Specifically, in this embodiment, referring to fig. 4 and 5, the cleaning texturing head 202 includes a gas distribution row 202a, and a plurality of two-dimensional mirrors 202b, a plurality of laser output heads 202c, and a plurality of air gun nozzles 202d disposed on the gas distribution row 202 a;

each two-dimensional galvanometer 202b is correspondingly arranged on an output light path of one laser output head 202c and is used for irradiating the laser output by the laser output head 202c to the surface of the target workpiece 2000 to perform laser cleaning or laser cleaning and laser texturing; each laser output head 202c is connected with the corresponding laser 201 through an optical fiber and is used for emitting a laser source emitted by the laser 201 to the corresponding two-dimensional galvanometer 202 b; a laser 201 supported on the workpiece conveying table 100 through a support for supplying a laser source to each laser output head 202c corresponding thereto; at least two air gun nozzles 202d are distributed around each two-dimensional galvanometer 202b, and each air gun nozzle 202d is communicated with the inner cavity of the corresponding air distribution row 202 a; each gas distribution row 202a is connected with an external air pump 3000 and is used for spraying air pumped by the external air pump 3000 to the surface of the target workpiece 2000 through an air gun nozzle 202d connected with the external air pump to clean dust generated on the surface of the target workpiece 2000 in the laser cleaning or laser cleaning and laser texturing processes; each laser 201 and the external air pump 3000 are also electrically connected to the PLC control system 400 through a wire.

Specifically, in this embodiment, referring to fig. 1, the PLC control system 400 includes a PLC controller 401, an upper computer 402 connected to the PLC controller 401, and a printer 403 connected to the upper computer 402; the upper computer 402 is used for controlling the start and stop of the workpiece conveying platform 100, the start and stop of the first laser cleaning and texturing module 200, the start and stop of the second laser cleaning and texturing module 300, the start and stop of the first photoelectric sensor 500, the start and stop of the second photoelectric sensor 600, the start and stop of the first dust collector 900 and the start and stop of the second dust collector 1000 through the PLC 401; the printer 403 is used for printing the data automatically generated inside the upper computer 401 in the form of a report.

Specifically, in this embodiment, the laser 201 can output nanosecond pulse laser beams with output power of 50W-1000W and pulse width of 1 ns-500 ns, and can output continuous laser beams with output power of 100W-4000W.

Specifically, in this embodiment, the conveying line 101b is a roller conveying line; the conveyor line driving motor 101c is a servo motor having a forward and reverse rotation function.

Under this embodiment, when the present invention is used only for laser cleaning of a target workpiece (e.g. a steel plate), the specific cleaning process is as follows:

(1) presetting relevant parameters of laser cleaning on an upper computer 402 according to the size and the rust thickness of a target workpiece 2000 (such as a steel plate) to be cleaned;

(2) placing a target workpiece 2000 on a first conveying table 101, sending a control instruction to a PLC (programmable logic controller) 401 through an upper computer 402, starting a conveying line driving motor 101c of the first conveying table 101 to rotate forwards, conveying the target workpiece 2000 to a position right above a first laser cleaning and texturing module 200, stopping the working of the conveying line driving motor 101c, adjusting and changing single-path laser cleaning parameters through the upper computer 402, and finding out optimal high-efficiency laser cleaning parameters including laser power, pulse width, cleaning amplitude and the like;

(3) formally starting the laser cleaning operation, firstly sending a control instruction to the PLC controller 401 through the upper computer 402, starting the conveyor line driving motors 101c on the first conveying table 101, the second conveying table 102 and the third conveying table 103 to rotate forward, and enabling the conveyor lines 101b on the first conveying table 101, the second conveying table 102 and the third conveying table 103 to start to rotate clockwise to sequentially convey the target workpiece 2000 to the stations where the first laser cleaning and texturing module 200 and the second laser cleaning and texturing module 300 are located; meanwhile, a control instruction is sent to the PLC 401 through the upper computer 402 to start the first photoelectric sensor 500 and the second photoelectric sensor 600 to work;

(3) when the first photoelectric sensor 500 at the tail end of the first conveying table 101 senses the head end of the target workpiece 2000, the first photoelectric sensor 500 feeds back the sensed signal to the PLC controller 401, and then the PLC controller 401 controls the first laser cleaning and texturing module 200, the first dust collector 900 and the external air pump 3000 connected to the first laser cleaning and texturing module 200 to start up according to the signal fed back by the first photoelectric sensor 500, and starts cleaning and dust collecting processing on the lower surface of the target workpiece 2000 until the first photoelectric sensor 500 senses that the tail end of the target workpiece 2000 leaves the first conveying table 101, and at this time, the first laser cleaning and texturing module 200, the first dust collector 900 and the external air pump 3000 connected to the first laser cleaning and texturing module 200 stop working;

(4) when the second photoelectric sensor 600 at the tail end of the second conveying table 102 senses the head end of the target workpiece 2000, the second photoelectric sensor 600 feeds back the sensed signal to the PLC controller 401, and then the PLC controller 401 controls the second laser cleaning and texturing module 300, the second dust collector 1000, and the external air pump 3000 connected to the second laser cleaning and texturing module 300 to start up according to the signal fed back by the second photoelectric sensor 600, and starts cleaning and dust collecting processing on the upper surface of the target workpiece 2000 until the second photoelectric sensor 600 senses that the tail end of the target workpiece 2000 leaves the second conveying table 102, and at this time, the second laser cleaning and texturing module 300, the second dust collector 1000, and the external air pump 3000 connected to the second laser cleaning and texturing module 300 stop working; thus, the cleaning of the upper and lower surfaces of the target workpiece 2000 is completed.

In this embodiment, when the present invention is used for laser cleaning and laser texturing a target workpiece (e.g. a steel plate), the cleaning process is the same as the above-mentioned processes (1) - (4) for only laser cleaning the target workpiece, and is not described here again, so that only the laser texturing process after laser cleaning is specifically described below:

after the target workpiece 2000 is cleaned, setting laser texturing related parameters on the upper computer 402 according to requirements; then, a control instruction is sent to the PLC controller 401 through the upper computer 402, the conveyor line driving motors 101c on the first conveying table 101, the second conveying table 102 and the third conveying table 103 are started to rotate reversely, the conveyor lines 101b on the first conveying table 101, the second conveying table 102 and the third conveying table 103 start to rotate in the counterclockwise direction, the target workpiece 2000 is sequentially conveyed to the stations where the second laser cleaning and texturing module 300 and the first laser cleaning and texturing module 200 are located, and meanwhile, the upper computer 402 sends a control instruction to the PLC controller 401 to start the first photoelectric sensor 500 and the second photoelectric sensor 600 to work;

when the second photoelectric sensor 600 at the end of the second conveying table 102 senses the tail end of the cleaned target workpiece 2000, the second photoelectric sensor 600 feeds the sensed signal back to the PLC controller 401, and then the PLC controller 401 controls the second laser cleaning and texturing module 300, the second dust collector 1000, and the external air pump 3000 connected to the second laser cleaning and texturing module 300 to start up according to the signal fed back by the second photoelectric sensor 600, and starts to roughen and collect dust on the upper surface of the cleaned target workpiece 2000 until the second photoelectric sensor 600 senses that the front end of the cleaned target workpiece 2000 leaves the third conveying table 103, and at this time, the second laser cleaning and texturing module 300, the second dust collector 1000, and the external air pump 3000 connected to the second laser cleaning and texturing module 300 stop working;

when the first photoelectric sensor 500 at the end of the first conveying table 101 senses the tail end of the cleaned target workpiece 2000, the first photoelectric sensor 500 feeds back the sensed signal to the PLC controller 401, and then the PLC controller 401 controls the first laser cleaning and texturing module 200, the first dust collector 900 and the external air pump 3000 connected to the first laser cleaning and texturing module 200 to start up according to the signal fed back by the first photoelectric sensor 500, and starts to perform texturing and dust collecting processing on the lower surface of the cleaned target workpiece 2000 until the first photoelectric sensor 500 senses that the front end of the cleaned target workpiece 2000 leaves the second conveying table 102, and at this time, the first laser cleaning and texturing module 200, the first dust collector 900 and the external air pump 3000 connected to the first laser cleaning and texturing module 200 stop working; thus, the texturing of the upper and lower surfaces of the target workpiece 2000 is completed.

In addition, according to the actual design requirement, the first laser cleaning and texturing module 200 and the second laser cleaning and texturing module 300 of the present invention may further comprise a plurality of lasers 201, and one or more cleaning texturing heads 202 may be disposed on the light source emitting end of each laser 201; when the first laser cleaning and texturing module 200 and the second laser cleaning and texturing module 300 both include a plurality of lasers 201, the plurality of lasers 201 may be formed by combining a plurality of nanosecond pulse lasers with output power of 50W-1000W and pulse width of 1 ns-500 ns and a plurality of continuous lasers with output power of 100-4000W, or may be formed by lasers which can be used for both nanosecond pulse laser beams with output power of 50W-1000W and pulse width of 1 ns-500 ns and continuous laser beams with output power of 100-4000W.

According to the actual design needs, the utility model provides a transfer chain 101b can also be its other any transfer chain structure except that the roller transfer chain of above-mentioned, for example: a chain scraper conveyor line or a conveyor belt conveyor line.

Finally, the above description is only the embodiments of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an online large tracts of land broad width laser washs and texturing device which characterized in that: the device comprises a workpiece conveying table (100), a first laser cleaning and texturing module (200) arranged below the workpiece conveying table (100), a second laser cleaning and texturing module (300) arranged above the workpiece conveying table (100) and a PLC control system (400) arranged on one side of the workpiece conveying table (100); the workpiece conveying table (100), the first laser cleaning and texturing module (200) and the second laser cleaning and texturing module (300) are electrically connected with the PLC control system (400); wherein:

the workpiece conveying table (100) is used for sequentially conveying the target workpiece (2000) to stations where the first laser cleaning and texturing module (200) and the second laser cleaning and texturing module (300) are located for corresponding laser cleaning; the first laser cleaning and texturing module (200) is used for carrying out laser cleaning on the lower surface of the target workpiece (2000); the second laser cleaning and texturing module (300) is used for carrying out laser cleaning on the upper surface of the target workpiece (2000); the PLC control system (400) is used for controlling the workpiece conveying platform (100), the first laser cleaning and texturing module (200) and the second laser cleaning and texturing module (300) to execute corresponding workpiece conveying and laser cleaning processing work;

or the workpiece conveying table (100) is used for conveying the target workpiece (2000) to stations where the first laser cleaning and texturing module (200) and the second laser cleaning and texturing module (300) are located in sequence for corresponding laser cleaning, and then conveying the cleaned target workpiece (2000) from the station where the second laser cleaning and texturing module (300) is located to the station where the first laser cleaning and texturing module (200) is located in sequence for corresponding laser texturing; the first laser cleaning and texturing module (200) is used for performing laser cleaning and laser texturing on the lower surface of the target workpiece (2000); the second laser cleaning and texturing module (300) is used for carrying out laser cleaning and laser texturing on the upper surface of the target workpiece (2000); the PLC control system (400) is used for controlling the workpiece conveying table (100), the first laser cleaning and texturing module (200) and the second laser cleaning and texturing module (300) to carry out corresponding workpiece conveying, laser cleaning and laser texturing work.

2. The online large-area broad-width laser cleaning and texturing apparatus of claim 1, wherein: the workpiece conveying table (100) comprises a first conveying table (101), a second conveying table (102) and a third conveying table (103) which are sequentially connected from front to back; the first conveying table (101), the second conveying table (102) and the third conveying table (103) comprise conveying table supporting frames (101a), conveying lines (101b) and conveying line driving motors (101c) which are arranged on the conveying table supporting frames (101 a);

the conveying line driving motors (101c) in the first conveying table (101), the second conveying table (102) and the third conveying table (103) are all connected with the PLC control system (400) and are used for respectively driving the corresponding conveying lines (101b) to operate under the control of the PLC control system (400) so as to realize the transportation of the target workpiece (2000).

3. The online large-area broad-width laser cleaning and texturing apparatus of claim 2, wherein:

the first laser cleaning and texturing module (200) is arranged below the joint part of a first conveying table (101) and a second conveying table (102) of the workpiece conveying table (100);

the second laser cleaning and texturing module (300) is arranged above the joint part of the second conveying table (102) and the third conveying table (103) of the workpiece conveying table (100);

wherein the first conveying platform (101) is used for conveying the target workpiece (2000) to be cleaned to the second conveying platform (102);

the second conveying platform (102) is used for conveying the target workpiece (2000) to be cleaned to the third conveying platform (103);

the third conveying platform (103) is used for receiving the target workpiece (2000) which is conveyed by the second conveying platform (102) and is cleaned;

the first laser cleaning and texturing module (200) is used for carrying out laser cleaning treatment on the lower surface of the target workpiece (2000) in the process that the target workpiece (2000) is conveyed to the second conveying platform (102) by the first conveying platform (101);

the second laser cleaning and texturing module (300) is used for carrying out laser cleaning treatment on the upper surface of the target workpiece (2000) in the process that the target workpiece (2000) is conveyed to the third conveying table (103) by the second conveying table (102).

4. The online large-area broad-width laser cleaning and texturing apparatus of claim 2, wherein:

the first conveying platform (101) is used for conveying the target workpiece (2000) to be cleaned and roughened onto the second conveying platform (102) and receiving the cleaned and roughened target workpiece (2000) conveyed by the second conveying platform (102);

the second conveying platform (102) is used for conveying the target workpiece (2000) to be cleaned and roughened onto the third conveying platform (103) and receiving the cleaned and roughened target workpiece (2000) conveyed by the third conveying platform (103);

the third conveying platform (103) is used for receiving the cleaned target workpiece (2000) to be roughened conveyed by the second conveying platform (102) and transferring the cleaned target workpiece (2000) to be roughened onto the second conveying platform (102);

the first laser cleaning and texturing module (200) is used for carrying out laser cleaning treatment on the lower surface of the target workpiece (2000) in the process of transferring the target workpiece (2000) onto the second conveying platform (102) by the first conveying platform (101), and carrying out laser texturing treatment on the lower surface of the cleaned target workpiece (2000) in the process of transporting the cleaned target workpiece (2000) onto the first conveying platform (101) by the second conveying platform (102);

the second laser cleaning and texturing module (300) is used for carrying out laser cleaning processing on the upper surface of the target workpiece (2000) in the process of transferring the target workpiece (2000) onto the third conveying table (103) by the second conveying table (102), and carrying out laser texturing processing on the upper surface of the cleaned target workpiece (2000) in the process of conveying the cleaned target workpiece (2000) onto the second conveying table (102) by the third conveying table (103).

5. The online large-area broad-width laser cleaning and texturing device according to claim 3 or 4, wherein:

a first photoelectric sensor (500) is arranged at the end part of one end of the first conveying table (101) connected with the second conveying table (102);

a second photoelectric sensor (600) is arranged at the end part of one end of the second conveying platform (102) which is connected with the third conveying platform (103);

the first photoelectric sensor (500) and the second photoelectric sensor (600) are both electrically connected with the PLC control system (400);

the first photoelectric sensor (500) is used for triggering the first laser cleaning and texturing module (200) to start and stop when sensing a target workpiece (2000);

the second photoelectric sensor (600) is used for triggering the second laser cleaning and texturing module (300) to start and stop when sensing the target workpiece (2000).

6. The on-line large-area broad-width laser cleaning and texturing apparatus of claim 5, wherein: a first dust collection cover (700) is further arranged on one side, facing the target workpiece (2000), of the first laser cleaning and texturing module (200), and the first dust collection cover (700) is connected with a first dust collector (900) arranged on one side of the workpiece conveying table (100);

a second dust collection cover (800) is further arranged on one side, facing the target workpiece (2000), of the second laser cleaning and texturing module (300), and the second dust collection cover (800) is connected with a second dust collector (1000) arranged on one side of the workpiece conveying platform (100);

the first dust collector (900) and the second dust collector (1000) are electrically connected with the PLC control system (400);

wherein, the first dust collecting cover (700) is used for collecting dust and dirt generated on the lower surface of the target workpiece (2000) in the laser cleaning process or the laser texturing process and conveying the dust and dirt to the first dust collector (900) for storage;

the second dust collection cover (800) is used for collecting dust and dirt generated on the upper surface of the target workpiece (2000) in a laser cleaning process or a laser texturing process, and conveying the dust and dirt to the second dust collector (1000) for storage.

7. The on-line large-area broad-width laser cleaning and texturing apparatus of claim 6, wherein: the first laser cleaning and texturing module (200) and the second laser cleaning and texturing module (300) both comprise one or more lasers (201), one or more cleaning texturing heads (202) are arranged at the light source emitting end of each laser (201), and each cleaning texturing head (202) comprises a gas distribution row (202a), a plurality of two-dimensional vibrating mirrors (202b) arranged on the gas distribution row (202a), a plurality of laser output heads (202c) and a plurality of air gun nozzles (202 d);

each two-dimensional galvanometer (202b) is correspondingly arranged on an output light path of one laser output head (202c) and is used for irradiating the laser output by the laser output head (202c) to the surface of a target workpiece (2000) to carry out laser cleaning or laser cleaning and laser texturing;

each laser output head (202c) is connected with the corresponding laser (201) through an optical fiber and is used for emitting a laser source emitted by the laser (201) to the corresponding two-dimensional galvanometer (202 b);

each laser (201) is supported on the workpiece conveying table (100) through a support and is used for providing a laser source for each corresponding laser output head (202 c);

at least two air gun nozzles (202d) are distributed around each two-dimensional galvanometer (202b), and each air gun nozzle (202d) is communicated with the inner cavity of the corresponding gas distribution row (202 a);

each gas distribution row (202a) is connected with an external air pump (3000) and is used for spraying the gas pumped by the external air pump (3000) to the surface of the target workpiece (2000) through an air gun nozzle (202d) connected with the gas distribution row so as to clean dust generated on the surface of the target workpiece (2000) in the laser cleaning or laser cleaning and laser texturing processes;

each laser (201) and the external air pump (3000) are electrically connected with the PLC control system (400) through wires.

8. The on-line large-area broad-width laser cleaning and texturing apparatus of claim 7, wherein: the PLC control system (400) comprises a PLC controller (401), an upper computer (402) connected with the PLC controller (401) and a printer (403) connected with the upper computer (402);

the upper computer (402) is used for controlling the starting and stopping of the workpiece conveying platform (100), the starting and stopping of the first laser cleaning and texturing module (200), the starting and stopping of the second laser cleaning and texturing module (300), the starting and stopping of the first photoelectric sensor (500), the starting and stopping of the second photoelectric sensor (600), the starting and stopping of the first dust collector (900) and the starting and stopping of the second dust collector (1000) through the PLC (401);

the printer (403) is used for printing the data automatically generated in the upper computer (402) in a report form.

9. The on-line large-area broad-width laser cleaning and texturing apparatus of claim 7, wherein: when the first laser cleaning and texturing module (200) and the second laser cleaning and texturing module (300) both comprise a plurality of lasers (201), the plurality of lasers (201) are formed by combining a plurality of nanosecond pulse lasers with the output power of 50W-1000W and the pulse width of 1 ns-500 ns and a plurality of continuous lasers with the output power of 100-4000W, or the lasers are formed by a plurality of lasers which can be used for outputting nanosecond pulse laser beams with the output power of 50W-1000W and the pulse width of 1 ns-500 ns and can also be used for outputting continuous laser beams with the output power of 100-4000W;

when the first laser cleaning and texturing module (200) and the second laser cleaning and texturing module (300) both comprise a laser (201), the laser (201) can be used for nanosecond pulse laser beams with the output power of 50-1000W and the pulse width of 1-500 ns, and can also be used for continuous laser beams with the output power of 100-4000W.

10. The on-line large-area broad-width laser cleaning and texturing apparatus of claim 2, wherein: the conveying line (101b) is a roller conveying line or a chain plate conveying line; the conveying line driving motor (101c) is a servo motor with a positive and negative rotation function.