CN112496534A - Laser cutting device for solar cell - Google Patents
Laser cutting device for solar cell Download PDFInfo
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- CN112496534A CN112496534A CN202011507298.7A CN202011507298A CN112496534A CN 112496534 A CN112496534 A CN 112496534A CN 202011507298 A CN202011507298 A CN 202011507298A CN 112496534 A CN112496534 A CN 112496534A
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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
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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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/0665—Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
-
- 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
- B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
-
- 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
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a laser cutting device for a solar cell, which comprises: the device comprises a battery piece feeding conveying line, a vision system, a carrying module base, an A-area battery piece carrying module, a B-area battery piece carrying module, an A-area battery piece deviation rectifying mechanism, a B-area battery piece deviation rectifying mechanism and a laser cutting mechanism. Through the mode, the laser cutting device for the solar cell, disclosed by the invention, realizes the automatic positioning of the cell, also enables the laser to automatically adjust the focus according to the type of the cell, improves the production efficiency of equipment, reduces the cost of a solar cell cutting part and has small equipment space occupation rate.
Description
Technical Field
The invention relates to the technical field of solar photovoltaic module equipment, in particular to a laser cutting device for a solar cell.
Background
With the rapid development of solar cell technology, the technical requirements of modules such as half cell and multiple cell (N > 2) are gradually increased. The photovoltaic module is used as an important component unit of solar power generation, the manufacturing technology of the photovoltaic module does not change greatly for a long time, wherein a laser scribing machine is generally used in the industry to cut a cell, but the cutting process has low efficiency of connection conversion with series welding and lamination processes, and the integration level is not high.
Disclosure of Invention
The invention mainly solves the technical problem of providing the laser cutting device for the solar cell, has the advantages of high reliability, accurate positioning, compact structure and the like, and has wide market prospect in the application and popularization of solar photovoltaic module equipment.
In order to solve the technical problems, the invention adopts a technical scheme that:
provided is a laser cutting device for a solar cell piece, comprising: the device comprises a battery piece feeding conveying line, a vision system, a carrying module base, a battery piece carrying module, a battery piece deviation rectifying mechanism and a laser cutting mechanism.
The terminal of battery piece feeding transfer chain extends to the top of transport module base, vision system set up in the terminal top of battery piece feeding transfer chain, battery piece transport module with the side of transport module base is connected, the battery piece rectify the mechanism with the battery piece transport module is connected, in order to carry the battery piece on the battery piece feeding transfer chain and rectify to the battery piece, laser cutting mechanism sets up on transport module base to rectify the product of mechanism and carry out laser cutting to the battery piece.
In a preferred embodiment of the invention, two sets of the battery carrying modules are oppositely disposed on two sides of the carrying module base, and each set of the battery carrying modules is connected with one battery deviation rectifying mechanism.
In a preferred embodiment of the invention, the battery piece feeding and conveying line comprises a conveying line support frame, a conveying line driving mechanism, an adsorption belt, a battery piece front adsorption plate, a battery piece rear adsorption plate and an incoming material detection sensor for detecting whether a battery piece is fed or not, the rear parts of the conveying line driving mechanism and the conveying line support frame are arranged on a conveying module base, the battery piece front adsorption plate and the battery piece rear adsorption plate are arranged on the conveying line support frame, the adsorption belt is arranged on the peripheries of the battery piece front adsorption plate and the battery piece rear adsorption plate in a surrounding mode, the conveying line driving mechanism drives the adsorption belt to operate so as to convey the battery piece, and conveying adsorption holes for adsorbing the battery piece are formed in the adsorption belt, the battery piece front adsorption plate and the battery piece rear adsorption plate.
In a preferred embodiment of the present invention, the vision system includes an area-array camera, an area-array camera bar light source, a light source cover, a backlight source, a line scan camera, and a line scan camera bar light source, wherein the line scan camera and the line scan camera bar light source are disposed between a front absorption plate and a rear absorption plate of a battery piece for detecting defects on the back surface of the battery piece, the light source cover is disposed above the rear absorption plate of the battery piece, the area-array camera and the area-array camera bar light source are disposed in the light source cover, and the backlight source is disposed on the bottom surface or below the rear absorption plate of the battery piece for determining defects on the front surface of the battery piece and determining grid line coordinates of the battery piece.
In a preferred embodiment of the present invention, the battery plate carrying module includes a screw module, a carrying connecting frame, and a Z-axis lifting mechanism, wherein the screw module is connected to the carrying connecting frame and drives the carrying connecting frame to move back and forth, and the Z-axis lifting mechanism is disposed on the carrying connecting frame and drives the battery plate deviation rectifying mechanism to move up and down.
In a preferred embodiment of the invention, the battery piece deviation rectifying mechanism comprises an X-axis adjusting sliding table, an R-axis adjusting sliding table, a deviation rectifying adsorption plate, a deviation rectifying sucker, a sucker adjusting mechanism, a deviation rectifying suction hole and a deviation rectifying support frame, wherein the deviation rectifying support frame is connected with a Z-axis lifting mechanism, the X-axis adjusting sliding table is arranged on the deviation rectifying support frame, the X-axis adjusting sliding table is connected with the R-axis adjusting sliding table and drives the R-axis adjusting sliding table to translate along an X axis, the R-axis adjusting sliding table is connected with the adsorption plate and drives the deviation rectifying adsorption plate to rotate, and the deviation rectifying sucker, the sucker adjusting mechanism and the deviation rectifying suction hole for adsorbing the battery piece are arranged on the deviation rectifying adsorption plate.
In a preferred embodiment of the present invention, the laser cutting mechanism includes a laser and focusing mirror optical assembly, an X-axis laser automatic adjustment sliding table, a Z-axis laser automatic adjustment mechanism, and a dust suction mechanism for sucking dust, the laser and focusing mirror optical assembly is connected to the X-axis laser automatic adjustment sliding table through a laser mounting bracket, the Z-axis laser automatic adjustment mechanism drives the X-axis laser automatic adjustment sliding table to move up and down for adjusting the focus of the laser, and the dust suction mechanism is disposed on the upper portion of the laser and focusing mirror optical assembly
In a preferred embodiment of the invention, the number of the laser and focusing mirror optical assemblies is two, one group of the laser and focusing mirror optical assemblies is connected with the X-axis laser automatic adjusting sliding table, the other group of the laser and focusing mirror optical assemblies is connected with the Z-axis laser automatic adjusting sliding table, the X-axis laser automatic adjusting sliding table and the Z-axis laser automatic adjusting sliding table are matched to drive the two laser and focusing mirror optical assemblies to move in a translation and lifting way, the X-axis laser automatic adjusting sliding table adjusts the distance between the two laser and focusing mirror optical assemblies to adapt to different cutting distance requirements of the battery piece, the Z-axis laser automatic adjusting sliding table adjusts the focuses of the two lasers and focusing mirror optical assemblies to be coplanar, the Z-axis automatic adjusting mechanism drives the laser and focusing mirror optical assemblies, the X-axis laser automatic adjusting sliding table and the Z-axis laser automatic adjusting sliding table to move in a lifting way, to adjust the laser focus position.
In a preferred embodiment of the present invention, the laser and focusing mirror optical assembly is connected to a splitter for splitting 1 path of laser light into N paths, so as to complete the multi-piece cutting of the battery piece.
In a preferred embodiment of the present invention, the laser and focusing mirror optical assembly includes a laser body, an optical device mounting seat, a beam expander, a focusing mirror, a laser protection glass, a positive pressure blowing device, a blowing port, a blowing cavity, and a laser port, the laser body for emitting laser is connected to the laser mounting seat, the optical device mounting seat is disposed at the top of the laser mounting seat, the blowing cavity, the laser protection glass, the focusing mirror, and the beam expander are sequentially disposed in the optical device mounting seat from top to bottom, the top surface of the optical device mounting seat is provided with the laser port communicated with the blowing cavity, the side wall of the optical device mounting seat is provided with the blowing port communicated with the blowing cavity, and the positive pressure blowing device is connected to the blowing port to remove dust by positive pressure blowing.
The invention has the beneficial effects that: the automatic positioning of the cell is realized, the laser can automatically adjust the focus according to the type of the cell, the production efficiency of the device is improved, the cost of a solar cell cutting part is reduced, and the space occupancy rate of the device is small.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic overall structure diagram of a preferred embodiment of a laser cutting device for solar cells according to the present invention;
FIG. 2 is a schematic structural diagram of a cell feeding and conveying line in a preferred embodiment of the laser cutting apparatus for solar cells of the present invention;
FIG. 3 is a schematic structural diagram of a vision system in a preferred embodiment of the laser cutting apparatus for solar cell sheets according to the present invention;
FIG. 4 is a schematic structural diagram of a solar cell handling module according to a preferred embodiment of the laser cutting apparatus for solar cells of the present invention;
FIG. 5 is a schematic structural diagram of a cell deviation rectifying mechanism in a preferred embodiment of the laser cutting apparatus for solar cells according to the present invention;
FIG. 6 is a schematic structural diagram of a half-wafer cutting mechanism in a preferred embodiment of the laser cutting apparatus for solar cell according to the present invention;
FIG. 7 is a schematic structural diagram of a multi-blade cutting mechanism in a preferred embodiment of the laser cutting apparatus for solar cells of the present invention;
fig. 8 is a schematic structural diagram of a laser and a focusing lens optical assembly according to a preferred embodiment of the laser cutting apparatus for solar cell of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an embodiment of the invention includes:
a laser cutting device for solar cell slices structurally comprises: the device comprises a battery piece feeding and conveying line 2001, a vision system 2002, a conveying module base 2003, a cell piece conveying module 2004 in an area A, a cell piece conveying module 2005 in an area B, a cell piece deviation rectifying mechanism 2006 in the area A, a cell piece deviation rectifying mechanism 2007 in the area B and a laser cutting mechanism 2008.
The terminal of battery piece feeding transfer chain extends to the top of transport module base, vision system set up in the terminal top of battery piece feeding transfer chain, district battery piece transport module A with district battery piece transport module B set up relatively in the both sides of transport module base, district battery piece deviation correcting mechanism A with district battery piece transport module A is connected, and district battery piece deviation correcting mechanism B is connected with district battery piece transport module B, in order to carry battery piece on the battery piece feeding transfer chain and rectify the battery piece, laser cutting mechanism sets up on transport module base to carry out laser cutting to the product of district battery piece deviation correcting mechanism A/B.
The battery piece feeding conveying line comprises a conveying line supporting frame 2009, a conveying line driving mechanism 2010, an adsorption belt (not marked), a battery piece front adsorption plate 2011, a battery piece rear adsorption plate 2012 and a supplied material detection sensor (not marked), the rear parts of the conveying line driving mechanism and the conveying line supporting frame are arranged on a conveying module base, the battery piece front adsorption plate and the battery piece rear adsorption plate are arranged on the conveying line supporting frame, the adsorption belt surrounds and clings to the peripheries of the battery piece front adsorption plate and the battery piece rear adsorption plate, the conveying line driving mechanism drives the adsorption belt to operate so as to convey the battery pieces, meanwhile, the adsorption belt, the battery piece front adsorption plate and the battery piece rear adsorption plate are provided with conveying adsorption holes to prevent the battery pieces from shifting or falling, the supplied material detection sensor can be arranged on the conveying line supporting frame or the battery piece front adsorption plate, or above the adsorption belt. The front adsorption plate and the rear adsorption plate of the battery piece can be of an integral structure or a split structure.
The visual system comprises an area-array camera 2013, an area-array camera bar-shaped light source 2014, a light source cover 2015, a backlight source 2016, a line scan camera 2017 and a line scan camera bar-shaped light source 2018, wherein the line scan camera and the line scan camera bar-shaped light source are arranged between a front battery piece adsorption plate and a rear battery piece adsorption plate and used for detecting the defects of the back surface of the battery piece, the light source cover is arranged above the rear battery piece adsorption plate, the area-array camera and the area-array camera bar-shaped light source are arranged in the light source cover, the backlight source is arranged on the bottom surface or below the rear battery piece adsorption plate (and positioned between an upper adsorption belt and a lower adsorption belt) and used for judging the front defects of the battery piece and determining the grid line coordinates of the,
the battery piece carrying module in the area A and the battery piece carrying module in the area B are identical in structure, the battery piece carrying module comprises a lead screw module 2019, a carrying connecting frame 2020 and a Z-axis lifting mechanism 2021, the lead screw module is connected with the carrying connecting frame and drives the carrying connecting frame to move back and forth, and the Z-axis lifting mechanism is arranged on the carrying connecting frame and drives a battery piece deviation correcting mechanism to move up and down. The Z-axis lifting mechanism can adopt various existing driving devices such as an air cylinder, an oil cylinder, a lead screw and the like.
The rectifying mechanism for the battery piece in the area A and the rectifying mechanism for the battery piece in the area B are identical in structure. The battery piece mechanism of rectifying includes that slip table 2022, R axle adjustment slip table 2023, the adsorption plate 2024 of rectifying, the sucking disc (not marked) of rectifying(s), sucking disc adjustment mechanism 2026, the suction hole of rectifying (not marked) and the support frame 2027 of rectifying(s), the support frame of rectifying is connected with Z axle elevating system, X axle adjustment slip table set up in on the support frame of rectifying(s), X axle adjustment slip table is connected with R axle adjustment slip table to drive R axle adjustment slip table along X axle translation, R axle adjustment slip table is connected with the adsorption plate to it is rotatory to drive the adsorption plate of rectifying(s), is used for adsorbing the battery piece rectify the sucking disc the sucking disc adjustment mechanism with the suction hole of rectifying(s) set up in on the adsorption plate of rectifying(s), wherein, the sucking disc can set up in four angle departments of adsorption plate, sucking disc adjustment mechanism with the sucking disc.
Because the battery pieces have different types (158-210), half pieces and multiple pieces (N is more than 2) need to be cut according to the types, and the laser cutting mechanism can be divided into a half piece cutting mechanism and a multiple piece cutting mechanism (the number of the cut battery pieces is more than 2).
Half cutting mechanism includes laser instrument and focus mirror optical assembly 2028, X axle laser automatically regulated slip table 2029, Z axle laser automatically regulated mechanism 2030 and half dust absorption mechanism 2031, laser instrument and focus mirror optical assembly are connected with X axle laser automatically regulated slip table through the laser instrument mounting bracket, and Z axle laser automatically regulated mechanism drives X axle laser automatically regulated slip table elevating movement (Z axle laser automatically regulated mechanism can fix in the frame at the top) to accomplish the focus debugging of laser instrument automatically, half dust absorption mechanism sets up in the upper portion of laser instrument and focus mirror optical assembly. Wherein, Z axle laser instrument automatically regulated mechanism can adopt multiple drive arrangement such as Z axle slip table, lift cylinder.
The multi-piece cutting mechanism comprises two structures:
the structure I is as follows: three-section cutting mechanism, it includes laser instrument and focus mirror optical component, X axle laser instrument automatically regulated slip table, Z axle laser instrument automatically regulated slip table 2032, Z axle automatically regulated mechanism and three section dust absorption mechanisms, three section laser instrument cutting mechanism includes two laser instruments and focus mirror optical component, and X axle laser instrument automatically regulated slip table, Z axle laser instrument automatically regulated slip table cooperation drive two laser instruments and focus mirror optical component translation and elevating movement, and the interval between two laser instruments and the focus mirror optical component is adjusted to X axle laser instrument automatically regulated slip table to the different cutting interval requirements of battery piece, simultaneously, after Z axle laser instrument automatically regulated slip table debugs, guarantee the focus coplane of two laser instruments and focus mirror optical component, so that keep the uniformity of cutting, Z axle automatically regulated mechanism can drive laser instrument and focus mirror optical component through the automatically regulated frame, X axle laser instrument automatically regulated slip table and Z axle laser instrument automatically regulated slip table carry out the elevating movement, make things convenient for the cutting.
Any one or more of the two laser devices and the focusing mirror optical assembly is/are connected with the X-axis laser device automatic adjusting sliding table, the Z-axis laser device automatic adjusting sliding table can be connected with any one or more laser devices and the focusing mirror optical assembly in efficiency, and can also be connected with any one or more X-axis laser device automatic adjusting sliding table, and the requirements of adjusting the positions and the heights of the two laser devices and the focusing mirror optical assembly in real time can be met.
The structure II is as follows: the multi-piece cutting mechanism comprises 1 laser and focusing mirror optical assembly, an X-axis laser automatic adjusting sliding table, a Z-axis automatic adjusting mechanism, a beam splitter and a multi-piece dust collecting mechanism, wherein the beam splitter and the multi-piece dust collecting mechanism are used for dividing 1 path of laser into N paths, the laser and the focusing mirror optical assembly are connected with the X-axis laser automatic adjusting sliding table through a laser mounting frame, the Z-axis laser automatic adjusting mechanism drives the X-axis laser automatic adjusting sliding table to move up and down, the beam splitter is connected with the laser emitting end of the laser and the focusing mirror optical assembly, the multi-piece dust collecting mechanism is arranged on the upper portion of the laser and the focusing mirror optical assembly, the 1 path of laser is divided into the N paths of laser through the beam splitter, and optical paths are freely selected or used simultaneously, so that multi-piece cutting.
Wherein, the laser and focusing mirror optical component comprises a laser body 2033, an optical device mounting base 2034, a beam expanding mirror 2035, a focusing mirror 2036, laser protection glass 2037, a positive pressure blowing device 2038, a blowing port 2039, a blowing cavity 2040 and a laser port 2041, the laser body for emitting laser is connected with the laser mounting rack, the optical device mounting seat is arranged at the top of the laser mounting rack, the air blowing cavity, the laser protective glass, the focusing lens and the beam expanding lens are sequentially arranged in the optical device mounting seat from top to bottom, the top surface of the optical device mounting seat is provided with a laser port communicated with the air blowing cavity, the side wall of the optical device mounting seat is provided with an air blowing port communicated with the air blowing cavity, and the positive pressure air blowing device is connected with the air blowing port so as to prevent cutting dust from influencing the operation of the laser and prolong the service life of the laser.
Half piece dust absorption mechanism includes suction hood, dust absorption mouth, the laser cutting who allows laser to pass through leads to, dust exhaust pipeline, the dust absorption cover is established at laser instrument and focus mirror optical assembly's top, the top surface of suction hood is provided with laser cutting through-hole and a plurality of the dust absorption mouth, dust exhaust pipeline is linked together with the suction hood to in time get rid of the dust.
A production method of a laser cutting device for solar cell pieces comprises the following steps:
(1) the incoming material detection sensor judges that two or more battery pieces are put in the front end, the front adsorption plate of the battery piece adsorbs the battery piece, the conveying driving mechanism drives the adsorption belt to move, the two battery pieces are conveyed to the rear adsorption plate station, and the battery pieces pass through the line scanning camera in the conveying process;
(2) the line scanning camera finishes photographing and detects whether the back of the battery piece has defects;
(3) a Z-axis lifting mechanism in the battery piece carrying module in the area A descends to drive a battery piece deviation correcting mechanism to grab two battery pieces on a rear adsorption plate station, the Z-axis lifting mechanism rises, and in the process, the battery piece carrying module in the area B waits for an original point station;
(4) an area array camera in the vision system shoots and detects whether the front sides of the two battery pieces have defects or not, the coordinate positions of grid lines of the battery pieces are determined at the same time, and after the shooting detection of the area array camera is finished, the servo motor drives the battery piece carrying module in the area A to move and transmit the battery pieces;
(5) after the cell rectifying mechanism receives feedback information of the area array camera, the X-axis adjusting sliding table and/or the R-axis adjusting sliding table are/is used for adjusting the positions of the X axis and the R axis of the cell, and the cell rectifying mechanism and the cell carrying module in the area A in the step (4) move synchronously until the cell carrying module moves to a laser cutting station;
(6) the laser among the laser cutting mechanism receives the feedback information of line scanning camera, judges whether to accomplish the battery piece cutting: when the line scanning camera detects that the back surface of the battery piece is not defective, the laser emits light to cut the battery piece, when the line scanning camera detects that the back surface of the battery piece is defective, the laser does not work, and the uncut battery piece directly flows to a lower station and then is conveyed to an NG product area;
(7) in the working process of the laser, the positive pressure blowing device blows air to the air blowing cavity in the optical device mounting seat in a positive pressure mode, so that the cutting dust of the battery piece is prevented from falling on the surface of protective glass of the laser, the energy of the laser is prevented from being reduced, meanwhile, the dust collection mechanism is started, and the dust generated in the cutting process of the battery piece is adsorbed, wherein the positive pressure blowing device and the dust collection mechanism are normally opened;
(8) after the laser cutting mechanism in the step (6) finishes cutting the battery pieces, the battery piece carrying module in the area A moves to a feeding station and feeds two cut battery pieces, then the Z-axis lifting mechanism is lifted, and the battery piece carrying module in the area A returns to an original point station below the area array camera;
(9) when the battery piece is conveyed to the rear adsorption plate station in the step (1), the front-end equipment feeds the material to the front adsorption plate again, the material sensor detects the material, when the battery piece on the rear adsorption plate is taken away by the battery piece carrying module in the area A, the battery piece on the front adsorption plate is supplemented to the rear adsorption plate, and the back defect of the battery piece is detected by taking a picture by the line scanning camera;
(10) the Z-axis lifting mechanism in the B-area battery piece carrying module descends to drive the battery piece deviation correcting mechanism to grab two battery pieces at the rear adsorption plate station, and the Z-axis lifting mechanism rises;
(11) an area array camera in the vision system photographs to detect the defects on the front sides of the two battery pieces and determine the grid line coordinate positions of the battery pieces, and after the area array camera photographs, the servo motor drives the battery piece carrying module in the area B to move and transmit the battery pieces;
(12) and (5) repeating the steps (5) - (8) at the stations of the B-area battery piece carrying module, the battery piece deviation rectifying mechanism, the laser and the like to finish the cutting of the battery piece.
(13) And circulating the steps until all the battery pieces are cut.
The laser cutting device for the solar cell has the beneficial effects that: the automatic positioning of the cell is realized, the laser can automatically adjust the focus according to the type of the cell, the production efficiency of the device is improved, the cost of a solar cell cutting part is reduced, and the space occupancy rate of the device is small.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A laser cutting device for solar cell pieces is characterized by comprising: a battery piece feeding conveying line, a vision system, a carrying module base, a battery piece carrying module, a battery piece deviation rectifying mechanism and a laser cutting mechanism,
the terminal of battery piece feeding transfer chain extends to the top of transport module base, vision system set up in the terminal top of battery piece feeding transfer chain, battery piece transport module with the side of transport module base is connected, the battery piece rectify the mechanism with the battery piece transport module is connected, in order to carry the battery piece on the battery piece feeding transfer chain and rectify to the battery piece, laser cutting mechanism sets up on transport module base to rectify the product of mechanism and carry out laser cutting to the battery piece.
2. The laser cutting device for solar cell pieces according to claim 1, the cell feeding conveying line comprises a conveying line supporting frame, a conveying line driving mechanism, an adsorption belt, a cell front adsorption plate, a cell rear adsorption plate and an incoming material detection sensor for detecting whether the cell is fed or not, the rear parts of the conveying line driving mechanism and the conveying line supporting frame are arranged on the conveying module base, the front battery piece adsorption plate and the rear battery piece adsorption plate are arranged on the conveying line supporting frame, the adsorption belt is surrounded on the peripheries of the front adsorption plate and the rear adsorption plate of the battery piece, the conveying line driving mechanism drives the adsorption belt to operate, the conveying adsorption holes for adsorbing the battery pieces are formed in the adsorption belt, the front adsorption plate of the battery pieces and the rear adsorption plate of the battery pieces.
3. The laser cutting device for the solar cell according to claim 2, wherein the vision system comprises an area-array camera, an area-array camera bar light source, a light source cover, a backlight source, a line scan camera and a line scan camera bar light source, the line scan camera and the line scan camera bar light source are arranged between the front absorbing plate and the rear absorbing plate of the cell and used for detecting the defects of the back surface of the cell, the light source cover is arranged above the rear absorbing plate of the cell, the area-array camera and the area-array camera bar light source are arranged in the light source cover, and the backlight source is arranged on the bottom surface or below the rear absorbing plate of the cell and used for judging the front defects of the cell and determining the grid line coordinates of the cell.
4. The laser cutting device for solar cells as claimed in claim 1, wherein two sets of the cell carrying modules are disposed on two sides of the carrying module base, and each set of the cell carrying module is connected to a cell deviation rectifying mechanism.
5. The laser cutting device for solar cells as claimed in claim 1, wherein the cell carrying module comprises a lead screw module, a carrying connecting frame, and a Z-axis lifting mechanism, the lead screw module is connected to the carrying connecting frame and drives the carrying connecting frame to move back and forth, and the Z-axis lifting mechanism is disposed on the carrying connecting frame and drives the cell deviation rectifying mechanism to move up and down.
6. The laser cutting device for the solar cell according to claim 5, wherein the cell deviation correcting mechanism comprises an X-axis adjusting sliding table, an R-axis adjusting sliding table, a deviation correcting adsorption plate, a deviation correcting sucker, a sucker adjusting mechanism, a deviation correcting suction hole and a deviation correcting support frame, the deviation correcting support frame is connected with a Z-axis lifting mechanism, the X-axis adjusting sliding table is arranged on the deviation correcting support frame, the X-axis adjusting sliding table is connected with the R-axis adjusting sliding table and drives the R-axis adjusting sliding table to translate along the X axis, the R-axis adjusting sliding table is connected with the adsorption plate and drives the deviation correcting adsorption plate to rotate, the deviation correcting sucker, the sucker adjusting mechanism and the deviation correcting suction hole are arranged on the deviation correcting adsorption plate, and the X-axis adjusting sliding table is connected with the R-axis adjusting sliding.
7. The laser cutting device for the solar cell piece of claim 1, characterized in that, laser cutting mechanism includes laser instrument and focus mirror optical assembly, X axle laser automatically regulated slip table, Z axle laser automatically regulated mechanism and is used for the dust absorption mechanism of gettering dust, laser instrument and focus mirror optical assembly pass through the laser instrument mounting bracket and are connected with X axle laser automatically regulated slip table, and Z axle laser automatically regulated mechanism drives X axle laser automatically regulated slip table elevating movement to carry out the focus debugging of laser, dust absorption mechanism set up in laser instrument and focus mirror optical assembly's upper portion.
8. The laser cutting device for the solar cell according to claim 7, wherein the number of the laser devices and the focusing mirror optical assemblies is two, one group of the laser devices and the focusing mirror optical assemblies is connected with the X-axis laser device automatic adjusting sliding table, and the other group of the laser devices and the focusing mirror optical assemblies is connected with the Z-axis laser device automatic adjusting sliding table; the X-axis laser automatic adjustment sliding table and the Z-axis laser automatic adjustment sliding table are matched to drive the two lasers and the focusing mirror optical assembly to move horizontally and vertically, wherein the X-axis laser automatic adjustment sliding table adjusts the distance between the two lasers and the focusing mirror optical assembly to meet different cutting distance requirements of the battery piece, and the Z-axis laser automatic adjustment sliding table adjusts the focuses of the two lasers and the focusing mirror optical assembly to be coplanar; the Z-axis automatic adjusting mechanism drives the laser and the focusing lens optical assembly, the X-axis laser automatic adjusting sliding table and the Z-axis laser automatic adjusting sliding table to move up and down so as to debug the laser focus position.
9. The laser cutting device for the solar cell as claimed in claim 7, wherein the laser and the focusing lens optical assembly are connected with a splitter for splitting 1 path of laser into N paths, so as to complete the multi-sheet cutting of the cell.
10. The laser cutting device for the solar cell according to claim 7, wherein the laser and focusing mirror optical assembly comprises a laser body, an optical device mounting seat, a beam expander, a focusing mirror, laser protection glass, a positive pressure blowing device, a blowing port, a blowing cavity and a laser port, the laser body for emitting laser is connected with the laser mounting seat, the optical device mounting seat is arranged at the top of the laser mounting seat, the blowing cavity, the laser protection glass, the focusing mirror and the beam expander are sequentially arranged in the optical device mounting seat from top to bottom, the top surface of the optical device mounting seat is provided with the laser port communicated with the blowing cavity, the side wall of the optical device mounting seat is provided with the blowing port communicated with the blowing cavity, and the positive pressure blowing device is connected with the blowing port, dust is removed by positive pressure blowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507298.7A CN112496534A (en) | 2020-12-18 | 2020-12-18 | Laser cutting device for solar cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507298.7A CN112496534A (en) | 2020-12-18 | 2020-12-18 | Laser cutting device for solar cell |
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| CN112496534A true CN112496534A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011507298.7A Pending CN112496534A (en) | 2020-12-18 | 2020-12-18 | Laser cutting device for solar cell |
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| CN (1) | CN112496534A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070774A (en) * | 2021-03-24 | 2021-07-06 | 深圳市久久犇自动化设备股份有限公司 | Full-automatic glass loading and unloading edging and cleaning production line |
| CN116214740A (en) * | 2023-04-14 | 2023-06-06 | 肇庆市宏华电子科技有限公司 | Cutting device for MLCC production and deviation correcting method thereof |
-
2020
- 2020-12-18 CN CN202011507298.7A patent/CN112496534A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070774A (en) * | 2021-03-24 | 2021-07-06 | 深圳市久久犇自动化设备股份有限公司 | Full-automatic glass loading and unloading edging and cleaning production line |
| CN113070774B (en) * | 2021-03-24 | 2022-07-01 | 深圳市久久犇自动化设备股份有限公司 | Full-automatic glass loading and unloading edging and cleaning production line |
| CN116214740A (en) * | 2023-04-14 | 2023-06-06 | 肇庆市宏华电子科技有限公司 | Cutting device for MLCC production and deviation correcting method thereof |
| CN116214740B (en) * | 2023-04-14 | 2024-01-30 | 肇庆市宏华电子科技有限公司 | Cutting device for MLCC production and deviation correcting method thereof |
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