CN212161841U

CN212161841U - Laser nondestructive cutting equipment for photovoltaic cell

Info

Publication number: CN212161841U
Application number: CN202021316444.3U
Authority: CN
Inventors: 左志华; 王志华
Original assignee: SUZHOU HUIBANG AUTOMATION SYSTEM CO LTD
Current assignee: SUZHOU HUIBANG AUTOMATION SYSTEM CO LTD
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2020-12-15
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to a laser nondestructive cutting device for photovoltaic cell pieces, which comprises a frame, wherein a first material conveying mechanism for feeding, a cutting mechanism for cutting photovoltaic cell pieces, a transportation mechanism for transporting photovoltaic cell pieces and a second material conveying mechanism for blanking are arranged on the frame, and the transportation mechanism is positioned between the first material conveying mechanism and the second material conveying mechanism; the cutting mechanism comprises a cutting laser, a heating laser and a cooling assembly, wherein the cutting laser is used for cutting the photovoltaic cell piece, the heating laser is used for heating the photovoltaic cell piece, and the cooling assembly is used for cooling the photovoltaic cell piece, and the cutting laser is sequentially arranged along the transmission direction of the photovoltaic cell piece. The two sides of the photovoltaic cell piece are cut by the cutting laser, and the heating laser heats a connecting line area between the two cutting marks, so that the photovoltaic cell piece is cut. The utility model discloses have degree of automation height, go up unloading convenient and fast, photovoltaic cell piece's cutting high quality and the high effect of machining efficiency.

Description

Laser nondestructive cutting equipment for photovoltaic cell

Technical Field

The utility model belongs to the technical field of the technique of photovoltaic cell piece processing and specifically relates to a laser nondestructive cutting equipment for photovoltaic cell piece is related to.

Background

The photovoltaic cell is used for converting solar light energy into electric energy. Silicon solar cells with silicon as a substrate are widely used in the ground photovoltaic system at present, and can be specifically divided into monocrystalline silicon, polycrystalline silicon and amorphous silicon solar cells. In the use process of the photovoltaic cell, in order to improve the flexibility and the use performance of the photovoltaic cell, the photovoltaic cell needs to be cut. And then connecting the cut photovoltaic cell pieces in series and in parallel to form photovoltaic modules with different sizes for application.

In the prior art, a laser cutter is generally used for cutting a photovoltaic cell, and the cutting mode easily causes a sawtooth structure on the cut photovoltaic cell, so that the cutting quality is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a laser does not harm cutting equipment for photovoltaic cell piece, it has the effect that helps improving the cutting quality of photovoltaic cell piece.

The above object of the present invention is achieved by the following technical solutions:

a laser nondestructive cutting device for a photovoltaic cell comprises a rack, wherein a first material conveying mechanism, a cutting mechanism, a conveying mechanism and a second material conveying mechanism are arranged on the rack, and the conveying mechanism is positioned between the first material conveying mechanism and the second material conveying mechanism;

the cutting mechanism comprises a cutting laser, a heating laser and a cooling assembly, wherein the cutting laser is used for cutting the photovoltaic cell piece, the heating laser is used for heating the photovoltaic cell piece, and the cooling assembly is used for cooling the photovoltaic cell piece, and the cutting laser is sequentially arranged along the transmission direction of the photovoltaic cell piece.

Through adopting above-mentioned technical scheme, first biography material mechanism and second pass material mechanism are used for the material loading and the unloading of photovoltaic cell piece respectively. The transportation mechanism is used for transporting the photovoltaic cell piece which is not subjected to cutting processing to the cutting mechanism, and is also used for assisting the cutting mechanism to complete the cutting of the photovoltaic cell piece and transporting the photovoltaic cell piece which is subjected to cutting processing to the blanking end.

When the photovoltaic cell piece is conveyed to the position below the cutting mechanism by the conveying mechanism, the cutting laser generates cutting laser to cut two sides of the photovoltaic cell piece in sequence; the heating laser generates heating laser to heat the photovoltaic cell. The area of the photovoltaic cell piece contacted with the heating laser is immediately contacted with cooling liquid sprayed by the cooling assembly. When the path irradiated by the cutting laser on the photovoltaic cell piece and the path irradiated by the heating laser on the photovoltaic cell piece are connected into a straight line, the cutting processing of the photovoltaic cell piece is completed.

Two sides of the photovoltaic cell piece are respectively provided with two cutting marks cut by a cutting laser, the cutting marks provide fracture points for the photovoltaic cell piece, and due to the fact that the laser cutting distance is short, a sawtooth-shaped structure is not prone to appearing on the photovoltaic cell piece; the photovoltaic cell is cut in a laser heating mode, and the photovoltaic cell is not easy to lose, so that a sawtooth structure is not easy to occur, and the cutting quality of the photovoltaic cell is improved. The cooling liquid cools the photovoltaic cell piece, helps the photovoltaic cell piece fracture on the one hand, guarantees the quality of photovoltaic cell piece on the one hand.

The present invention may be further configured in a preferred embodiment as: the laser emitting head of cutting laser instrument, the laser emitting head of heating laser instrument and cooling module's coolant liquid play liquid end all are provided with a plurality ofly and set up in groups, and every group all includes the laser emitting head of a cutting laser instrument, the laser emitting head of a heating laser instrument and the coolant liquid play liquid end of a cooling module that set gradually along photovoltaic cell piece direction of transfer.

By adopting the technical scheme, the photovoltaic cell passes through the lower part of the cutting mechanism once, and the cutting mechanism cuts the photovoltaic cell into at least three relatively independent photovoltaic cells, so that the cutting and processing efficiency of the photovoltaic cells is improved.

The present invention may be further configured in a preferred embodiment as: the first material conveying mechanism comprises a first material conveying assembly, a first material conveying clamping assembly, a second material conveying assembly and a first conveying assembly, wherein the first conveying assembly is used for moving the photovoltaic cell in the first material conveying clamping assembly to the conveying mechanism;

the first material conveying assembly comprises two first guide rails arranged side by side, a first conveying belt used for conveying a material box containing photovoltaic battery pieces is connected in each first guide rail in a sliding mode, and the same end of each first guide rail is connected with a first material conveying driver used for driving the first conveying belt to move;

at least one first conveying assembly sequentially arranged along the length direction of the first conveying belts is arranged between the two first conveying belts, the first conveying assembly comprises a first conveying driver which is connected with the rack and is vertically arranged, the output end of the first conveying driver is connected with a first material bearing plate which is horizontally arranged, a plurality of first rotating wheels are arranged on two sides, close to the first conveying belts, of the first material bearing plate, and a first material bearing driver used for driving the first rotating wheels to rotate is arranged below the first material bearing plate; the heights of the upper ends of the first material bearing plate and the first rotating wheel are lower than the height of the upper surface of the first guide rail;

the first conveying clamping and taking assembly is positioned on one side, close to the conveying mechanism, of the first conveying assembly, the first conveying clamping and taking assembly comprises a plurality of first conveying clamping and taking material bearing plates which are arranged in one-to-one correspondence with the first material bearing plates, a first conveying clamping and taking driver used for driving the first conveying clamping and taking material bearing plates to move in the vertical direction is arranged below the first conveying clamping and taking material bearing plates, a plurality of first conveying clamping and taking rotating wheels are arranged on the side faces, close to and far away from the first guide rail, of the first conveying clamping and taking material bearing plates, and a first conveying clamping and taking power device used for driving the first conveying clamping and taking rotating wheels to rotate is arranged below the first conveying clamping and taking material bearing plates;

the first conveying clamp taking assembly further comprises a first conveying clamp taking horizontal driver which is connected with the rack and located above the first conveying clamp taking material bearing plate, the output end of the first conveying clamp taking horizontal driver is connected with a first conveying clamp taking connecting plate, at least one first conveying clamp taking vertical driver is connected onto the first conveying clamp taking connecting plate, the output end of the first conveying clamp taking vertical driver is connected with a first conveying clamp taking connecting frame, and a plurality of first conveying clamp taking suckers are connected onto the first conveying clamp taking connecting frame;

the rack is internally provided with at least one first conveying component, the first conveying component comprises two rows of first conveying guide rails which are connected with the rack and horizontally arranged, each first conveying guide rail is internally connected with a first conveying conveyor belt in a sliding manner, and the rack is provided with a first conveying driver which is used for driving the first conveying conveyor belt to move; the first conveying and conveying guide rail is located at a height between the first conveying and clamping material bearing plate and the first conveying and clamping vertical driver, one end of the first conveying and conveying guide rail is located obliquely above the first conveying and clamping material bearing plate, and the other end of the first conveying and conveying guide rail is located above the conveying mechanism;

the second material conveying assembly is positioned on one side, close to the conveying mechanism, of the first material clamping and receiving plate and comprises two second guide rails arranged side by side, the length direction of each second guide rail is parallel to the length direction of the corresponding first guide rail, a second conveyor belt is connected into each second guide rail in a sliding mode, and the same end of each second guide rail is connected with a second material conveying driver used for driving the second conveyor belt to move;

at least one second conveying assembly sequentially arranged along the length direction of the second conveying belt is arranged between the two second conveying belts, the number of the second conveying assemblies is the same as that of the first conveying assemblies, each second conveying assembly comprises a second conveying driver which is connected with the frame and vertically arranged, the output end of each second conveying driver is connected with a second material bearing plate horizontally arranged, the second material bearing plates and the first material bearing plates are arranged in a one-to-one correspondence manner, a plurality of second rotating wheels are arranged on two sides, close to the second conveying belts, of each second material bearing plate, and a second material bearing driver for driving the second rotating wheels to rotate is arranged below each second material bearing plate; the heights of the upper ends of the second material bearing plate and the second rotating wheel are lower than the height of the upper surface of the second guide rail;

the first conveying assemblies are positioned above the conveying mechanism and on one side of the first material conveying assemblies, and the number of the first conveying assemblies is the same as that of the first material conveying assemblies; the first transmission assembly comprises a first transmission vertical driver connected with the rack, the output end of the first transmission vertical driver is connected with a first transmission horizontal plate, a first transmission rotary driver is connected onto the first transmission horizontal plate, the output end of the first transmission rotary driver is connected with a first transmission connecting frame, and the lower end of the first transmission connecting frame is provided with a plurality of first transmission suckers used for adsorbing photovoltaic cell pieces.

Through adopting above-mentioned technical scheme, the workman will become photovoltaic cell piece of pile and place the magazine that is used for splendid attire photovoltaic cell piece in, realize moving a large amount of photovoltaic cell pieces through the magazine. The first material conveying assembly is used for conveying the material box; the first conveying assembly conveys the material box in the first conveying assembly into the first conveying clamping assembly, and the first conveying clamping assembly clamps the photovoltaic cell slice in the material box into the first conveying assembly; the first conveying assembly moves the photovoltaic cell sheets in the first material conveying assembly to the conveying mechanism. After the photovoltaic cell piece in the magazine is got to the end, first material clamp gets the subassembly and transports empty magazine to the second in transporting the material subassembly. The second material transport assembly then brings the magazine into contact with the second conveyor belt, thereby transporting the empty magazine out of the feeding mechanism.

Due to the arrangement of the first material conveying assembly and the second material conveying assembly, the material box is located on the same side and enters and exits the feeding mechanism, and convenience is brought to workers or AGV trolleys to move the material box. The transfer of the material box, the separation of the photovoltaic cell pieces from the material box and the movement of the photovoltaic cell pieces are automatically completed, the automation degree of the feeding device is high, and the feeding efficiency of the feeding device is high.

The present invention may be further configured in a preferred embodiment as: the number of the first material conveying assemblies is four, every two of the four first material conveying assemblies are in one group, and two groups of the first material conveying assemblies are respectively positioned on two sides of the first material conveying assemblies;

the two first conveying clamp vertical drivers are arranged along the length direction of the second guide rail;

the first material conveying component is provided with two, and the two first material conveying components are arranged side by side along the length direction of the second guide rail.

By adopting the technical scheme, the four first material holding plates are correspondingly provided with the four first material clamping and taking material holding plates and the four second material holding plates. The two first material transporting assemblies are in a group, and the two groups of first material transporting assemblies are respectively positioned on two sides of the two first material transporting assemblies. When the first material conveying assembly is used for feeding materials, four material boxes containing photovoltaic cells can be fed at one time, and each material box is located on one first material conveying clamping and material bearing plate.

Vertical driver setting is got to first conveying clamp two, and two first conveying clamps are got vertical driver and are responsible for driving respectively and get the link removal with the first conveying clamp that its self is connected. Every first material clamp gets the link and once carries two photovoltaic cell pieces to remove, and two first material clamps get the link and transport photovoltaic cell piece in turn to two first material fortune material subassemblies, make the material loading rate of photovoltaic cell piece improve four times, improved the material loading efficiency of photovoltaic cell piece greatly.

The present invention may be further configured in a preferred embodiment as: the second material conveying mechanism comprises a third material conveying assembly, a second material conveying clamping assembly, a fourth material conveying assembly and a second conveying assembly used for moving the photovoltaic cell in the conveying mechanism to the second material conveying clamping assembly;

the third material conveying assembly comprises two third guide rails arranged side by side, a third conveyor belt is connected in each third guide rail in a sliding manner, and the same end of each third guide rail is connected with a third material conveying driver for driving the third conveyor belt to move;

at least one third material conveying assembly sequentially arranged along the length direction of the third conveyor belt is arranged between the two third conveyor belts, and the number of the third material conveying assemblies is the same as that of the first material conveying assemblies; the third material conveying assembly comprises a third material conveying driver which is connected with the rack and is vertically arranged, the output end of the third material conveying driver is connected with a third material bearing plate which is horizontally arranged, a plurality of third rotating wheels are arranged on two sides, close to the third conveyor belt, of the third material bearing plate, and a third material bearing driver which is used for driving the third rotating wheels to rotate is arranged below the third material bearing plate; the heights of the upper ends of the third material bearing plate and the third rotating wheel are lower than the height of the upper surface of the third guide rail;

the second material conveying clamping assembly is positioned on one side, far away from the conveying mechanism, of the third material conveying assembly, the second material conveying clamping assembly comprises a plurality of second material conveying clamping bearing plates which are arranged in one-to-one correspondence with the third bearing plates, a second material conveying clamping driver for driving the second material conveying clamping bearing plates to move in the vertical direction is arranged below the second material conveying clamping bearing plates, a plurality of second material conveying clamping rotating wheels are arranged on the side surfaces, close to and far away from the third guide rail, of the second material conveying clamping bearing plates, and a second material conveying clamping power device for driving the second material conveying clamping rotating wheels to rotate is arranged below the second material conveying clamping bearing plates;

the second material conveying clamping assembly further comprises a second material conveying clamping horizontal driver which is connected with the rack and located above the second material conveying clamping material bearing plate, the output end of the second material conveying clamping horizontal driver is connected with a second material conveying clamping connecting plate, at least one second material conveying clamping vertical driver is connected onto the second material conveying clamping connecting plate, and the number of the second material conveying clamping vertical drivers is the same as that of the first material conveying clamping vertical drivers; the output end of the second material conveying clamping vertical driver is connected with a second material conveying clamping connecting frame, and a plurality of second material conveying clamping suckers are connected to the second material conveying clamping connecting frame;

at least one second material conveying and transporting assembly is arranged in the rack, and the number of the second material conveying and transporting assemblies is the same as that of the first material conveying and transporting assemblies; the second material conveying and transporting assembly comprises a second material conveying and transporting guide rail which is connected with the rack and horizontally arranged, rotating rollers are arranged at two ends of the second material conveying and transporting guide rail, a second material conveying and transporting conveyor belt which is in sliding connection with the two rotating rollers is arranged on the second material conveying and transporting guide rail, and a second material conveying and transporting driver which is used for driving the second material conveying and transporting conveyor belt to move is arranged on the rack; the second material conveying and transporting guide rail is positioned between the second material conveying and clamping material bearing plate and the second material conveying and clamping vertical driver, one end of the second material conveying and transporting guide rail is positioned obliquely above the second material conveying and clamping material bearing plate, and the other end of the second material conveying and transporting guide rail is positioned above the conveying mechanism;

the fourth material conveying assembly is positioned on one side, away from the conveying mechanism, of the second material conveying clamping material bearing plate and comprises two fourth guide rails arranged side by side, the length direction of each fourth guide rail is parallel to the length direction of the corresponding third guide rail, a fourth conveyor belt is connected into each fourth guide rail in a sliding mode, and a fourth material conveying driver for driving the fourth conveyor belt to move is connected to the same end of each fourth guide rail;

at least one fourth material conveying assembly sequentially arranged along the length direction of the fourth conveyor belt is arranged between the two fourth conveyor belts, and the number of the fourth material conveying assemblies is the same as that of the third material conveying assemblies; the fourth material conveying assembly comprises a fourth material conveying driver which is connected with the rack and is vertically arranged, the output end of the fourth material conveying driver is connected with a fourth material bearing plate which is horizontally arranged, the fourth material bearing plate and the third material bearing plate are arranged in a one-to-one correspondence manner, a plurality of fourth rotating wheels are arranged on the two sides, close to the fourth conveyor belt, of the fourth material bearing plate, a fourth material bearing driver for driving the fourth rotating wheels to rotate is arranged below the fourth material bearing plate, and the heights of the upper ends of the fourth material bearing plate and the fourth rotating wheels are lower than the height of the upper surface of the fourth guide rail;

the second transfer assemblies are positioned above the transportation mechanism and on one side of the second material conveying and transporting assemblies, and the number of the second transfer assemblies is the same as that of the second material conveying and transporting assemblies; the second transmission assembly comprises a second transmission vertical driver connected with the rack, the output end of the second transmission vertical driver is connected with a second transmission horizontal plate, a second transmission rotary driver is connected onto the second transmission horizontal plate, the output end of the second transmission rotary driver is connected with a second transmission connecting frame, and a plurality of second transmission suckers used for adsorbing photovoltaic cells are arranged at the lower end of the second transmission connecting frame.

Through adopting above-mentioned technical scheme, the second passes material mechanism and first structure of passing material mechanism similar, and the second passes the material transport subassembly and is arranged in transporting the photovoltaic cell piece that the cutting was accomplished to the second and passes material fortune subassembly, and the second passes material fortune subassembly and moves the photovoltaic cell piece that the cutting was accomplished to the second again and passes the material to press from both sides and get empty magazine in the subassembly.

The empty material box used for containing the cut photovoltaic cell pieces is conveyed to the second material conveying mechanism through the third material conveying assembly by a worker or an AGV, and the empty material box is conveyed to the second material conveying clamp by the third material conveying assembly to form the material bearing plate.

After the empty material box in the second material conveying clamping assembly contains a certain number of photovoltaic cells, the second material conveying clamping assembly conveys the empty material box to a fourth material conveying assembly. And finally, the material box containing the photovoltaic cell is conveyed out of the second material conveying mechanism by the fourth material conveying assembly, so that the blanking work of the photovoltaic cell is completed.

The whole discharging process is automatically completed, and the automation degree of the second material conveying mechanism is high. The structure with first biography material mechanism is the same, therefore the unloading of second biography material mechanism is efficient, and the magazine gets into the second and passes the material mechanism and leave the same one end that second biography material mechanism all was located second biography material mechanism, has made things convenient for the work that workman or AGV dolly carried the magazine.

The present invention may be further configured in a preferred embodiment as: the conveying mechanism comprises a supporting table connected with the rack, an annular conveying belt connected with the supporting table in a sliding mode is arranged on the upper surface of the supporting table, and a plurality of conveying plates used for bearing the photovoltaic cell pieces are connected to the upper surface of the annular conveying belt; and the supporting table is provided with a driving assembly for driving the annular conveying belt to move.

Through adopting above-mentioned technical scheme, endless conveyor drives a plurality of transport plates and is circular motion, realizes the continuous cutting of photovoltaic cell piece, need not to wait for, improves the cutting efficiency of photovoltaic cell piece.

The present invention may be further configured in a preferred embodiment as: the vacuum hole is formed in the conveying plate, and one end, far away from the upper surface of the conveying plate, of the vacuum hole is connected with a vacuum tube.

Through adopting above-mentioned technical scheme, utilize the pressure principle to fix the photovoltaic cell piece on the transport plate, the photovoltaic cell piece is not fragile, and stability is high.

The present invention may be further configured in a preferred embodiment as: the annular conveyor belt comprises two first parallel parts parallel to each other and two second parallel parts parallel to each other, and the first parallel parts and the second parallel parts are perpendicular to each other; an arc-shaped part is arranged between the first parallel part and the second parallel part adjacent to the first parallel part, and two ends of the arc-shaped part are respectively connected with the first parallel part and the second parallel part adjacent to the second parallel part; the arc-shaped part bends towards the direction far away from the vertical central line of the supporting table, and the circle center of the arc-shaped part is positioned on the rotation axis of the first transmission connecting frame or the second transmission connecting frame close to the arc-shaped part.

By adopting the technical scheme, the rotating speed of the first transmission connecting frame and the second transmission connecting frame is the same as the moving speed of the conveying plate, and the circle center of the arc-shaped part is positioned on the rotating axis of the first transmission connecting frame or the second transmission connecting frame. When the photovoltaic cell pieces are moved, the first transmission connecting frame or the second transmission connecting frame is placed and clamped more stably, and the placing angle and the placing position of the photovoltaic cell pieces are not prone to being inclined. And the photovoltaic cell is not easy to separate from the conveying plate, so that the stability and the smoothness of the photovoltaic cell in the moving process are ensured, and the processing efficiency is ensured.

The present invention may be further configured in a preferred embodiment as: and a vision detector for shooting the photovoltaic cell on the conveying plate is arranged right above the annular conveying belt and is connected with a controller.

Through adopting above-mentioned technical scheme, the state of the photovoltaic cell piece on the vision detector detection transport board, when the photovoltaic cell piece that appears the position incorrect or the angle is incorrect, do not cut this photovoltaic cell piece. The problem that the photovoltaic cell piece cannot be used after being cut and the cost is wasted is avoided.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the cutting laser is used for respectively cutting two sides of the photovoltaic cell piece, the heating laser is used for carrying out laser heating on the part between the notches on the two sides of the photovoltaic cell piece, so that the photovoltaic cell piece is broken, the photovoltaic cell piece is not easy to have large loss, a saw-toothed structure is not easy to generate at the cutting position of the photovoltaic cell piece in a laser heating mode, and the cutting quality of the photovoltaic cell piece is improved;

2. the first material conveying clamp taking horizontal driver drives the first material conveying clamp taking connecting plate to move once, so that the placement of two photovoltaic cell pieces and the clamping of the two photovoltaic cell pieces are completed, the loading effect of the photovoltaic cell pieces is high, and the processing efficiency of the photovoltaic cell pieces is improved;

3. the conveying plate in the annular track does circular motion, the photovoltaic cell pieces placed on the conveying plate are cut after passing through the cutting mechanism, and the cutting mechanism continuously cuts the photovoltaic cell pieces without waiting because the annular track is in a closed annular shape, so that the cutting efficiency of the photovoltaic cell pieces is high.

Drawings

FIG. 1 is a schematic view of the overall structure of a laser non-destructive cutting apparatus;

FIG. 2 is an overall schematic view of a first transfer mechanism;

FIG. 3 is an enlarged partial schematic view of portion C of FIG. 2;

FIG. 4 is an enlarged partial schematic view of portion D of FIG. 2;

FIG. 5 is a schematic view of a first material loading/unloading assembly;

FIG. 6 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 7 is an enlarged partial schematic view of portion B of FIG. 1;

FIG. 8 is a top view of the transport mechanism;

FIG. 9 is a schematic view showing the overall structure of the transport mechanism;

FIG. 10 is a schematic view of a related structure of the junction box;

FIG. 11 is a broken-away view of the first and second transfer mechanisms;

FIG. 12 is an overall schematic view of a second transfer mechanism;

fig. 13 is a partially enlarged schematic view of portion E of fig. 12;

fig. 14 is a partially enlarged schematic view of portion F in fig. 12.

In the figure, 1, a frame; 11. a vision detector; 2. a first material conveying mechanism; 21. a first material conveying assembly; 211. a first guide rail; 212. a first conveyor belt; 213. a first material transfer driver; 22. a first material conveying assembly; 221. a first material bearing plate; 222. a first rotating wheel; 23. a first material clamping component; 231. a first material conveying clamp takes a material bearing plate; 232. a first material clamping rotating wheel; 233. a first material clamp horizontal driver; 234. a first material clamping connecting plate; 235. a first transfer gripper takes a vertical drive; 236. a first material conveying clamping connecting frame; 237. a first material clamping sucking disc; 24. a first material conveying assembly; 241. a first material conveying guide rail; 242. a first material transfer conveyor; 243. a first material transfer drive; 25. a first transfer assembly; 251. a first transfer vertical drive; 252. a first transfer horizontal plate; 253. a first transfer rotation driver; 254. a first transfer link; 255. a first transfer chuck; 26. a second material conveying component; 261. a second guide rail; 262. a second conveyor belt; 263. a second material conveying driver; 27. a second material conveying assembly; 271. a second material bearing plate; 272. a second rotating wheel; 3. a cutting mechanism; 31. a cutting laser; 32. heating the laser; 33. a cooling assembly; 34. installing a box; 35. a connection box; 4. a transport mechanism; 41. a support table; 42. an endless conveyor belt; 421. a first parallel portion; 422. a second parallel portion; 423. an arc-shaped portion; 43. a transport plate; 431. a vacuum hole; 5. a second material conveying mechanism; 51. a third material conveying component; 511. a third guide rail; 512. a third conveyor belt; 513. a third material conveying driver; 52. a third material conveying assembly; 521. a third material bearing plate; 522. a third rotating wheel; 53. a second material conveying clamping assembly; 531. a second material conveying clamp is used for clamping the material bearing plate; 532. the second material conveying clamp is used for clamping the rotating wheel; 533. the second material conveying clamp is used for clamping the horizontal driver; 534. a second material conveying clamp is used for clamping the connecting plate; 535. the second material conveying clamp is used for clamping the vertical driver; 536. the second material conveying clamp is connected with the connecting frame; 537. a second material conveying clamp is used for clamping the sucker; 54. a second material conveying and transporting assembly; 541. a second material conveying and transporting guide rail; 542. a second material conveying and conveying conveyor belt; 55. a second transfer assembly; 551. a second transfer vertical drive; 552. a second transfer horizontal plate; 553. a second transfer rotation driver; 554. a second transfer link; 555. a second transfer chuck; 56. a fourth material conveying component; 561. a fourth guide rail; 562. a fourth conveyor belt; 563. a fourth material conveying driver; 57. a fourth material conveying assembly; 571. a fourth material bearing plate; 572. and a fourth rotating wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a laser nondestructive cutting equipment for photovoltaic cell piece, including frame 1 and controller, be equipped with first biography material mechanism 2, transport mechanism 4 and second biography material mechanism 5 in proper order on the frame 1. The first material conveying mechanism 2 and the second material conveying mechanism 5 are symmetrically arranged about a vertical central plane of the conveying mechanism 4. The frame 1 is also provided with a cutting mechanism 3 which is positioned between the first material conveying mechanism 2 and the second material conveying mechanism 5 and is positioned on one side of the conveying mechanism 4. The controller may be connected to the frame 1 or may be installed in a worker's work room. The controller can be a PLC control system or a computer terminal.

Referring to fig. 2, the first transfer mechanism 2 includes a first transfer assembly 21, a first carry assembly 22, a first transfer gripping assembly 23, a first transfer assembly 24, a first transfer assembly 25, a second transfer assembly 26, and a second carry assembly 27. Referring to fig. 1, the first material conveying assembly 21, the first material conveying clamping assembly 23 and the second material conveying assembly 26 are sequentially arranged in a direction close to the conveying mechanism 4. The first material conveying component 24 is positioned above the second material conveying component 26; the first transfer assembly 25 is located above the side of the transport mechanism 4 adjacent to the first transfer mechanism 2 and on the side of the first material transporting assembly 24.

Referring to fig. 3, the first material conveying assembly 21 includes two first guide rails 211 parallel to each other, and both the two first guide rails 211 are fixedly connected to the frame 1. Referring to fig. 1, the two first guide rails 211 are sequentially disposed in a direction approaching the transport mechanism 4.

Referring to fig. 3, a first conveyor belt 212 is slidably coupled to each first guide rail 211. One end of the first guide rail 211 is provided with a first material transfer driver 213 connected to the frame 1. The first material conveying driver 213 is set as a rotating motor and electrically connected with the controller, and the output end of the first material conveying driver 213 is connected with both the two first conveying belts 212. The first material conveying driver 213 is started, and the first material conveying driver 213 drives the two first conveyor belts 212 to move synchronously. When the worker carries out loading, the magazine containing the photovoltaic cell slices is placed at one end, away from the first material conveying driver 213, of the first guide rail 211. The magazines abut against the two first conveyors 212, respectively, and thus move following the first conveyors 212.

Referring to fig. 3, the first material handling assembly 22 is located between two first conveyor belts 212, and at least one of the first material handling assemblies 22 is provided. In this embodiment, four first material handling assemblies 22 are provided. The four first material conveying assemblies 22 are sequentially arranged along the length direction of the first conveying belt 212, two first material conveying assemblies 22 are in a group, and the two first material conveying assemblies 22 are close to two ends of the first conveying belt 212 respectively, so that loading is facilitated. The first material conveying assembly 22 comprises a first material conveying driver which is connected with the rack 1 and vertically arranged, the first material conveying driver can be an air cylinder or a hydraulic cylinder, the first material conveying driver can also be a combination of a rotating motor and a screw rod, and the first material conveying driver is electrically connected with the controller. The output end of the first material conveying driver is connected with a first material bearing plate 221 which is horizontally arranged, a distance sensor or a proximity sensor which is electrically connected with the controller is installed on the first material bearing plate 221, and the height of the upper end of the first material bearing plate 221 is lower than that of the upper surface of the first guide rail 211. When the first conveyor belt 212 drives the magazine to move above the first material bearing plate 221, the controller acquires a signal sent by the distance sensor or the proximity sensor, so that the first material conveying driver is controlled to drive the first material bearing plate 221 to move upwards, and the magazine on the first conveyor belt 212 is separated from the first conveyor belt 212 and is positioned on the first material bearing plate 221.

Referring to fig. 3, a plurality of first rotating wheels 222 are connected to two vertical sides of the first material receiving plate 221, which are parallel to the length direction of the first conveyor belt 212, the upper end of each first rotating wheel 222 is lower than the upper surface of the first guide rail 211, and a first material receiving driver for driving the first rotating wheels 222 to rotate is connected to the lower surface of the first material receiving plate 221. The first material bearing driver is set as a rotating motor and is electrically connected with the controller. The first material loading driver drives the first rotating wheels 222 to rotate synchronously in a manner of a transmission belt and a transmission rod, the rotating directions of the first rotating wheels 222 are the same, and the first rotating wheels 222 rotate in a direction close to the first material clamping assembly 23. After the first material supporting plate 221 moves upwards, the controller controls the first material supporting driver to start, the first rotating wheels 222 contact with the material box and drive the material box to the direction close to the first material conveying clamping assembly 23, and therefore automatic transfer of the material box is achieved.

Referring to fig. 3 and 4, the first material clamping and receiving assembly 23 includes a plurality of first material clamping and receiving plates 231 arranged horizontally, and the number of the first material clamping and receiving plates 231 is the same as that of the first material receiving plates 221 and is arranged in a one-to-one correspondence manner. That is, in the present embodiment, four first material conveying and receiving plates 231 are provided. The lower surface of the first material clamping and holding plate 231 is connected with a first material clamping and taking driver which is used for driving the first material clamping and holding plate 231 to move along the vertical direction, the first material clamping and taking driver can be an air cylinder or a hydraulic cylinder, and the first material clamping and taking driver is electrically connected with the controller. When the controller controls the first material conveying driver to drive the first material bearing plate 221 to move upwards, the first material conveying clamping material bearing plate 231 corresponding to the first material bearing plate 221 which moves upwards synchronously.

Referring to fig. 4, the vertical sides of the first material clamping and receiving plate 231 close to and far from the first guide rail 211 are connected with a plurality of first material clamping and rotating wheels 232, and the lower surface of the first material clamping and receiving plate 231 is connected with a first material clamping and rotating force device for driving the first material clamping and rotating wheels 232 to rotate. The first material conveying clamp power taking device is set as a rotating motor and electrically connected with the controller. The first material clamp power taking device drives the first material clamp power taking rotating wheels 232 to synchronously rotate in a mode of driving a belt and a driving rod. Referring to fig. 3, the rotation direction of the first conveying gripping rotating wheels 232 is the same as the rotation direction of the first rotating wheels 222. The controller controls the first conveying driver and the first conveying clamping driver to realize the synchronous movement of the first material bearing plate 221 and the first conveying clamping material bearing plate 231; the controller realizes the synchronous rotation of the first rotating wheel 222 and the first conveying clamp taking rotating wheel 232 by controlling the first material bearing driver and the first conveying clamp taking power device, so that the material box on the first material bearing plate 221 is moved to the first conveying clamp taking material bearing plate 231, the whole process is automatically detected and controlled, and the automation degree is high.

Referring to fig. 4 and 5, the first feeding clamping assembly 23 further includes a first feeding clamping horizontal driver 233 connected to the frame 1 and located above the first feeding clamping plate 231, wherein the first feeding clamping horizontal driver 233 is configured as a linear motor and electrically connected to the controller. The output end of the first gripper horizontal driver 233 is connected to a vertically arranged first gripper connecting plate 234, and the first gripper connecting plate 234 is connected to at least one first gripper vertical driver 235. The first gripper vertical actuator 235 may be a pneumatic or hydraulic cylinder, or a combination of a motor and a lead screw. First material clamping vertical driver 235 is electrically connected with the controller and in this embodiment, the first material clamping vertical driver 235 is provided with two, and two first material clamping vertical drivers 235 are arranged along the length direction of the first guide rail 211.

Referring to fig. 5, the output end of the first gripper vertical driver 235 is connected to a horizontally disposed first gripper connecting frame 236, and a plurality of first gripper suction pads 237 are connected to the first gripper connecting frame 236. The frame 1 is connected with a material transferring vacuum generator connected with a plurality of first material transferring clamping suckers 237, the material transferring vacuum generator is set as a vacuum generator, and the material transferring vacuum generator is electrically connected with a controller. When the first transfer gripper attachment frame 236 is driven by the first transfer gripper vertical driver 235 to move downward, the first transfer gripper suction cup 237 contacts the photovoltaic cell in the magazine. At this moment, the controller starts the material transferring vacuum generator, and the material transferring vacuum generator enables the first material transferring clamp to take the negative pressure inside the sucking disc 237, so that the photovoltaic cell is adsorbed on the first material transferring clamp to take the sucking disc 237, and the photovoltaic cell is moved.

Referring to fig. 5, at least one first material transporting assembly 24 is provided, and in the present embodiment, two first material transporting assemblies 24 are provided. The two first material transporting assemblies 24 are arranged in the same direction as the two first material gripping vertical drivers 235. The first material conveying assembly 24 comprises two rows of first material conveying rails 241 which are connected with the frame 1 and arranged horizontally and are parallel to each other.

Referring to fig. 1 and 2, the first material conveying guide rail 241 is located between the first material clamping and receiving plate 231 and the first material clamping and vertical driver 235, one end of the first material conveying guide rail 241 is located obliquely above the first material clamping and receiving plate 231, and one end of the first material conveying guide rail 241, which is far away from the first material clamping and receiving plate 231, is located above the transportation mechanism 4. The two first material transporting assemblies 24 are located between the two sets of first material transporting assemblies 22, so that the two first material transporting assemblies 24 are also located between the four first material clamping and receiving plates 231. During feeding, the four material boxes are respectively conveyed to the four first material conveying and clamping material bearing plates 231, and a plurality of photovoltaic cell pieces are stacked in the four material boxes. The two first material conveying clamp taking vertical drivers 235 move along with the first material conveying clamp taking connecting plate 234, so that the photovoltaic cell slices in the material boxes on two sides of the first material conveying component 24 are alternately placed in the first material conveying component 24, and the material loading efficiency is improved.

Referring to fig. 5, each first material conveying guide rail 241 is slidably connected with a first material conveying belt 242, and the frame 1 is connected with a first material conveying driver 243 for driving the first material conveying belt 242 to move. The first material conveying driver 243 is provided as a rotary motor and is electrically connected to the controller. The first material conveying driver 243 drives the first material conveying conveyor belt 242 to move, and the first material conveying conveyor belt 242 conveys the photovoltaic cell sheet contacting with the first material conveying conveyor belt in the direction away from the first material clamping component 23.

Referring to fig. 6, the first transfer assemblies 25 are located above the transport mechanism 4 and on one side of the first material transporting assembly 24, and the number of the first transfer assemblies 25 is the same as that of the first material transporting assembly 24. Thus in this embodiment, there are two first transfer assemblies 25 and two first material transfer assemblies 24 are located between the two first transfer assemblies 25. The first transfer assembly 25 includes a first transfer vertical driver 251 connected to the frame 1, the first transfer vertical driver 251 may be an air cylinder or a hydraulic cylinder, and the first transfer vertical driver 251 is electrically connected to the controller. A first transfer horizontal plate 252 is connected to an output end of the first transfer vertical driver 251, and a first transfer rotary driver 253 is connected to an upper surface of the first transfer horizontal plate 252. The first transferring rotary driver 253 may be a rotary motor or a rotary cylinder, and the first transferring rotary driver 253 is electrically connected with the controller. After the first transferring vertical driver 251 is activated, the first transferring horizontal plate 252 is moved in the vertical direction, and the first transferring rotary driver 253 is synchronously moved following the first transferring horizontal plate 252.

Referring to fig. 6, the output end of the first transferring rotary driver 253 passes through the first transferring horizontal plate 252 to extend below the first transferring horizontal plate 252, and the output end of the first transferring rotary driver 253 is rotatably connected to the first transferring horizontal plate 252. The output end of the first transferring rotary driver 253 is connected with a horizontally disposed first transferring link frame 254, and the first transferring link frame 254 is located at a lower height than the first transferring horizontal plate 252. The lower surface of the first transfer connecting frame 254 is connected with a plurality of first transfer suction cups 255 for absorbing the photovoltaic cells. Specifically, the frame 1 is connected with a transmission vacuum generator, and the transmission vacuum generator is a vacuum generator. The transfer vacuum generators are connected to the respective first transfer cups 255, and at the same time, the transfer vacuum generators are electrically connected to the controller. After the transmission vacuum generator is started, the transmission vacuum generator enables negative pressure to be formed in the first transmission suction cup 255, and after the first transmission suction cup 255 is close to the photovoltaic cell piece, the photovoltaic cell piece is clamped and conveyed due to the fact that the pressure intensity of the photovoltaic cell piece is absorbed on the first transmission suction cup 255.

Referring to fig. 6, when the first transfer link 254 is moved to the highest position by the first transfer vertical driver 251, the first transfer suction cups 255 are located at a height higher than that of the upper ends of the first material conveyer 242. The controller controls the first transfer vertical drive 251, the first transfer rotary drive 253, and the transfer vacuum generator to cause the first transfer assembly 25 to place the photovoltaic cell sheets on the first material transport conveyor 242 into the transport mechanism 4.

Referring to fig. 7, the second material conveying assembly 26 is located on a side of the first material clamping and receiving plate 231, which is far away from the first guide rail 211, the second material conveying assembly 26 includes two second guide rails 261 which are parallel to each other, and a length direction of the second guide rails 261 is parallel to a length direction of the first guide rail 211. A second conveyor belt 262 is slidably coupled to each second guide track 261. Referring to fig. 2, one end of the second guide rail 261 is provided with a second material conveying driver 263 connected to the frame 1, and the second material conveying driver 263 is configured as a rotary motor. The second material conveying driver 263 is electrically connected to the controller, and an output end of the second material conveying driver 263 is connected to both of the two second conveyor belts 262. The second material conveying driver 263 is started, the second material conveying driver 263 drives the two second conveyor belts 262 to move synchronously, and the moving direction of the second conveyor belts 262 is the same as the moving direction of the first conveyor belt 212. The first material conveying driver 213 and the second material conveying driver 263 are located at the same side of the first conveying mechanism 2, so that a worker can conveniently move the material box from the same side of the first conveying mechanism 2.

Referring to fig. 7, the second material conveying assemblies 27 are located between two second conveyor belts 262 and are sequentially arranged along the length direction of the second conveyor belts 262, at least one second material conveying assembly 27 is arranged, and the number of the second material conveying assemblies 27 is the same as that of the first material conveying assemblies 22. In this embodiment, therefore, four second material handling assemblies 27 are provided. The second material conveying assembly 27 comprises a second material conveying driver which is connected with the frame 1 and is vertically arranged, the second material conveying driver can be an air cylinder or a hydraulic cylinder, and the second material conveying driver can also be a combination of a rotating motor and a screw rod. The second material conveying driver is electrically connected with the controller. The output end of the second material conveying driver is connected with a second material bearing plate 271 which is horizontally arranged, the height of the upper surface of the second material bearing plate 271 is lower than that of the upper surface of the second guide rail 261, and the second material bearing plates 271 and the first material bearing plates 221 are arranged in a one-to-one correspondence manner.

Referring to fig. 7, a plurality of second rotating wheels 272 are connected to both vertical sides of the second material receiving plate 271, which are parallel to the length direction of the second conveyor belt 262, and the upper ends of the second rotating wheels 272 are located at a height lower than the height of the upper surface of the second guide rail 261. The lower surface of the second material bearing plate 271 is connected with a second material bearing driver for driving the second rotating wheel 272 to rotate, the second material bearing driver is a rotating motor, and the second material bearing driver is electrically connected with the controller. The second material loading driver drives the plurality of second rotating wheels 272 to rotate synchronously in a manner of a transmission belt and a transmission rod, the rotating directions of the plurality of second rotating wheels 272 are the same, and the rotating directions of the second rotating wheels 272 and the first rotating wheels 222 are the same. When no photovoltaic cell is located in the magazine on a first material transferring and receiving plate 231, the controller controls the first material receiving plate 221 and the second material receiving plate 271 corresponding to the first material transferring and receiving plate 231 to ascend, and simultaneously causes the first material transferring and receiving plate 231 to ascend, wherein the heights of the upper surfaces of the three material receiving plates are the same. Then, the first rotating wheel 222, the first material clamping rotating wheel 232 and the second rotating wheel 272 are simultaneously rotated, and the magazine containing the photovoltaic cell pieces on the first material bearing plate 221 moves towards the direction close to the first material clamping material bearing plate 231; the empty magazine located on the first material conveying and holding plate 231 moves toward the second material holding plate 271. After the material box containing the photovoltaic cell pieces moves to the first material conveying clamping material bearing plate 231 and the empty material box moves to the second material bearing plate 271, the controller enables the three material bearing plates to descend. The empty magazine on the second material receiving plate 271 is in contact with the second conveyor belt 262 and is conveyed out of the first conveying mechanism 2.

Referring to fig. 8, the transport mechanism 4 includes a support table 41 horizontally connected to the frame 1, and an endless belt 42 is slidably connected to an upper surface of the support table 41. Specifically, the upper surface of the support table 41 is provided with an annular chute for inserting the endless belt 42. Referring to fig. 9, the endless belt 42 includes two first parallel portions 421 parallel to each other and two second parallel portions 422 parallel to each other. The longitudinal direction of the first parallel portion 421 and the longitudinal direction of the second parallel portion 422 are perpendicular to each other. An arc part 423 is arranged between the first parallel part 421 and two adjacent second parallel parts 422, and two ends of the arc part 423 are respectively connected with the first parallel part 421 and the second parallel part 422. The arc portions 423 are bent in a direction away from the vertical center line of the support table 41, and the centers of the two arc portions 423 close to the first transfer mechanism 2 are respectively located on the rotation axis lines of the two first transfer links 254.

Referring to fig. 8, a driving assembly for driving the endless belt 42 to move is connected to the supporting platform 41, and the driving assembly includes a transportation driver connected to the frame 1, and the transportation driver is a rotating motor. The output end of the transport driver is connected with a transport gear, and the vertical side surface of the endless conveyor belt 42 is provided with a tooth socket meshed with the transport gear. The transport driver is electrically connected with the controller, and after the transport driver is started, the transport driver drives the transport gear to rotate, and the transport gear drives the annular conveyor belt 42 to move. When the transport mechanism 4 is viewed from above, the endless belt 42 rotates counterclockwise.

Referring to fig. 8, a plurality of transport plates 43 for supporting the photovoltaic cell are connected to the upper surface of the endless conveyor belt 42, and the transport plates 43 move synchronously with the endless conveyor belt 42. The conveying plate 43 is provided with a vacuum hole 431, one end of the vacuum hole 431 far away from the upper surface of the conveying plate 43 is communicated with a vacuum pipe, and one end of the vacuum pipe far away from the conveying plate 43 is connected with a conveying vacuum generator. The transportation vacuum generator is electrically connected with the controller, and after the transportation vacuum generator is started, the transportation vacuum generator enables the upper surface of the transportation plate 43 to form negative pressure through the vacuum tube and the vacuum hole 431, so that the photovoltaic cell is fixed on the transportation plate 43, the stability of the photovoltaic cell during cutting is improved, and the cutting quality of the photovoltaic cell is improved.

Referring to fig. 8, the cutting mechanism 3 is located on the side of the endless belt 42 moving in the direction close to the second material conveying mechanism 5. Cutting mechanism 3 includes the install bin 34 of being connected with frame 1, and install bin 34 is the marble material, can be high temperature resistant, and is convenient for cool off. One side of the mounting box 34 close to the transport mechanism 4 is connected with a connection box 35, and the connection box 35 is positioned right above the circular track. When the transport plate 43 follows the endless track to move near the cutting mechanism 3, the transport plate 43 passes right under the connection box 35. The mounting box 34 and the connection box 35 are hollow and communicate with each other.

Referring to fig. 8 and 10, a cutting laser 31, a heating laser 32, and a cooling assembly 33 are installed in the installation box 34. The cutting laser 31, the heating laser 32 and the cooling assembly 33 are arranged in sequence in a direction close to the second material conveying mechanism 5. Both the cutting laser 31 and the heating laser 32 are electrically connected to the controller. The laser emitting head of the cutting laser 31, the laser emitting head of the heating laser 32 and the cooling liquid outlet end of the cooling assembly 33 all penetrate through the lower surface of the connecting box 35 and extend to the outer side of the connecting box 35. The cutting laser 31 is used for emitting cutting laser to cut the photovoltaic cell on the passing transport plate 43; the heating laser 32 is used for emitting heating laser to heat the photovoltaic cell on the passing transport plate 43; the cooling assembly 33 is used for spraying a cooling liquid, which may be water or a solution having a cooling effect, to cool the region of the photovoltaic cell sheet contacted by the heating laser.

Referring to fig. 10, a laser emitting head of a cutting laser 31, a cutting assembly. In this embodiment, the cutting assembly is provided with two sets ofly, and two laser emission heads's the direction of arranging is perpendicular in two sets of cutting assembly's the distribution direction and the cutting assembly. Therefore, the photovoltaic cell piece passing through the lower part of the connecting box 35 is cut into three pieces at one time, and the cutting efficiency of the photovoltaic cell piece is improved.

Referring to fig. 9 and 10, as an embodiment of the multiple sets of cutting assemblies, two cutting lasers 31, two heating lasers 32, and two cooling assemblies 33 are mounted in a mounting box 34. Each cutting laser 31 is connected with only one laser emitting head; each heating laser 32 is connected with only one laser emitting head; each cooling module 33 is provided with only one coolant outlet end. Thus providing two sets of cutting assemblies.

As another embodiment of the multiple-unit cutting assembly, referring to fig. 9 and 10, two laser emitting heads are provided on the cutting laser 31 in the installation box 34; two laser emitting heads are arranged on the heating laser 32; the cooling module 33 is provided with two cooling liquid outlet ends. Thereby providing two sets of cutting assemblies.

Referring to fig. 10, as an embodiment of the cooling unit 33, the cooling unit 33 includes an infusion pump, an infusion tube, and an infusion head. The one end of drawing liquid pipe links to each other with the feed liquor end of drawing liquid pump, and the one end setting that the drawing liquid pump was kept away from to the drawing liquid pipe is in the liquid storage tank that has the coolant liquid stored. One end of the infusion tube is connected with the liquid outlet end of the liquid pump, and the other end of the infusion tube extends into the connecting box 35 and is connected with the liquid outlet nozzle. The liquid outlet nozzle is connected with the lower surface of the connecting box 35 and extends to the lower part of the connecting box 35, and the liquid outlet nozzle is obliquely arranged towards the direction close to the laser emitting head of the heating laser 32. And after the liquid pump is started, the liquid pump sprays cooling liquid in the liquid storage tank onto the photovoltaic cell piece through the liquid suction pipe, the liquid conveying pipe and the liquid outlet nozzle to cool the photovoltaic cell piece.

Referring to fig. 8, a vision detector 11 is disposed directly above the endless conveyor belt 42 between the connection box 35 and the first conveying mechanism 2 for photographing the state of the photovoltaic cell sheet on the transport plate 43. The vision detector 11 is electrically connected with the controller, and when the state of the photovoltaic cell piece shot by the vision detector 11 is inconsistent with the preset standard state, the controller controls the cutting assembly to cross the photovoltaic cell piece without cutting the photovoltaic cell piece. The abnormal state of the photovoltaic cell slice comprises incorrect placing angle and position of the photovoltaic cell slice, incorrect size of the photovoltaic cell slice and the like.

Referring to fig. 11, the second material conveying mechanism 5 includes a second conveying assembly 55, a second material conveying and transporting assembly 54, a second material conveying and clamping assembly 53, a third conveying assembly 51, a third transporting assembly 52, a fourth conveying assembly 56 and a fourth transporting assembly 57. The third material conveying assembly 51, the second material conveying clamping assembly 53 and the fourth material conveying assembly 56 are sequentially arranged in a direction away from the conveying mechanism 4. The second transfer assemblies 55 are located above the transport mechanism 4 and at one side of the second material conveying and transporting assembly 54, and the number of the second transfer assemblies 55 is the same as that of the second material conveying and transporting assembly 54. At least one second material conveying and transporting assembly 54 is provided, and the number of the second material conveying and transporting assemblies 54 is the same as that of the first material conveying and transporting assemblies 24. Thus, in this embodiment, there are two second transfer assemblies 54, and there are also two second transfer assemblies 55. The two second material conveying and conveying assemblies 54 are positioned between the two second transfer assemblies 55, and the second transfer assemblies 55 are used for transferring the photovoltaic cell sheets in the transportation mechanism 4 to the second material conveying and conveying assemblies 54.

Referring to fig. 12 and 13, the second transfer assembly 55 includes a second transfer vertical driver 551 connected to the frame 1, the second transfer vertical driver 551 may be a pneumatic cylinder or a hydraulic cylinder, and the second transfer vertical driver 551 is electrically connected to the controller. A second transfer horizontal plate 552 is connected to an output end of the second transfer vertical driver 551, and a second transfer rotation driver 553 is connected to an upper surface of the second transfer horizontal plate 552. The second transmission rotary driver 553 may be a rotary motor or a rotary cylinder, and the second transmission rotary driver 553 is electrically connected to the controller. After the second transfer vertical driver 551 is activated, the second transfer horizontal plate 552 moves in the vertical direction, and the second transfer rotary driver 553 moves in synchronization with the second transfer horizontal plate 552.

Referring to fig. 13, the output end of the second transmitting rotary driver 553 extends through the second transmitting horizontal plate 552 to below the second transmitting horizontal plate 552, and the output end of the second transmitting rotary driver 553 is rotatably connected to the second transmitting horizontal plate 552. The output end of the second transferring rotary driver 553 is connected to a second transferring link 554 that is horizontally disposed and is located at a lower height than the second transferring horizontal plate 552. The centers of the two arc-shaped parts 423 near the second material conveying mechanism 5 are respectively located on the rotation axis of the two second transmission connecting frames 554. The lower surface of the second transfer connecting frame 554 is connected with a plurality of second transfer suckers 555 for adsorbing the photovoltaic cell. Specifically, a blanking transfer vacuum generator is connected to the frame 1, the blanking transfer vacuum generator is connected to each second transfer sucker 555, and the blanking transfer vacuum generator is electrically connected to the controller. After the unloading transmission vacuum generator is started, the unloading transmission vacuum generator enables negative pressure to be formed in the second transmission sucking disc 555, after the second transmission sucking disc 555 is close to the photovoltaic cell, the photovoltaic cell is adsorbed on the second transmission sucking disc 555 under the action of pressure, and clamping and carrying of the photovoltaic cell are achieved.

Referring to fig. 13, when the second transfer connecting frame 554 is moved to the highest position by the second transfer vertical driver 551, the second transfer suction cups 555 are located at a higher height than the second transfer material transporting assembly 54. Thereby enabling the second transfer assembly 55 to transport the photovoltaic cell sheets in the transport mechanism 4 to the second material transporting and transporting assembly 54.

Referring to fig. 11, the length direction of the second material conveying and transporting assembly 54 is parallel to the length direction of the first material conveying and transporting assembly 24, and two second material conveying and transporting assemblies 54 are arranged in parallel to each other. Referring to fig. 13, the second material conveying and transporting assembly 54 includes a second material conveying and transporting guide rail 541 connected to the rack 1 and horizontally disposed, and two ends of the second material conveying and transporting guide rail 541 are connected to the rotating rollers. The rotating rollers are driven rollers, and a second material conveying and conveying conveyor belt 542 slidably connected with the second material conveying and conveying guide rail 541 is wound on the two rotating rollers. The frame 1 is connected with a second material conveying and conveying driver for driving the second material conveying and conveying conveyor belt 542 to move, and the second material conveying and conveying driver is electrically connected with the controller and is arranged as a rotating motor. One end of the second material conveying and conveying guide rail 541 is located above the transporting mechanism 4, and one end of the second material conveying and conveying guide rail 541, which is far away from the transporting mechanism 4, and the second material conveying and clamping assembly 53 are located in the same plane. The second material conveying and transporting assembly 54 is located above the third material conveying assembly 51. The second material conveying and conveying belt 542 moves the second transfer assembly 55 in a direction away from the transport mechanism 4 from the photovoltaic cell sheet gripped by the transport mechanism 4.

Referring to fig. 14, the third feeding assembly 51 includes two third guide rails 511 parallel to each other, both the two third guide rails 511 are fixedly connected to the frame 1, and referring to fig. 11, the length direction of the third guide rails 511 is parallel to the length direction of the first guide rail 211.

Referring to fig. 14, a third conveyor 512 is slidably connected to each of the two third guide rails 511, and a third material conveying driver 513 connected to the rack 1 is provided at one end of each of the third guide rails 511. The third material conveying driver 513 is electrically connected with the control circuit and is set as a rotating motor, and the output end of the third material conveying driver 513 is connected with both the two third conveyor belts 512. And starting the third material conveying driver 513, wherein the third material conveying driver 513 drives the two third conveyor belts 512 to move synchronously. When the worker carries out blanking, the empty material boxes for containing the photovoltaic cell pieces are placed at one ends, far away from the third material conveying driver 513, of the third guide rails 511, and the empty material boxes are abutted to the two third conveying belts 512 respectively so as to move along with the third conveying belts 512.

Referring to fig. 14, the third material transporting assembly 52 is located between two third conveyor belts 512, and at least one of the third material transporting assemblies 52 is provided. Referring to fig. 11, the number of the third material conveying assemblies 52 is the same as that of the first material conveying assemblies 22, and therefore in the present embodiment, four third material conveying assemblies 52 are provided, and four third material conveying assemblies 52 are sequentially arranged along the length direction of the third conveyor belt 512. The four third material transporting assemblies 52 form a group in pairs, and the two groups of third material transporting assemblies 52 are respectively close to two ends of the third conveyor belt 512, so that the blanking is convenient.

Referring to fig. 14, the third material conveying assembly 52 includes a third material conveying driver connected to the frame 1 and vertically disposed, the third material conveying driver may be a pneumatic cylinder or a hydraulic cylinder, the third material conveying driver may also be a combination of a rotary motor and a screw, and the third material conveying driver is electrically connected to the controller. The output end of the third material conveying driver is connected with a horizontally arranged third material bearing plate 521, a distance sensor or a proximity sensor electrically connected with the controller is installed on the third material bearing plate 521, and the height of the upper end of the third material bearing plate 521 is lower than that of the upper surface of the third guide rail 511. When the third conveyor belt 512 drives the empty magazine to move above the third material bearing plate 521, the controller acquires a signal sent by the distance sensor or the proximity sensor, so that the third material conveying driver is controlled to drive the third material bearing plate 521 to move upwards, and the magazine on the third conveyor belt 512 is separated from the third conveyor belt 512 and is positioned on the third material bearing plate 521.

Referring to fig. 14, a plurality of third rotating wheels 522 are connected to both vertical sides of the third material receiving plate 521 parallel to the length direction of the third conveyor belt 512, the height of the upper end of each third rotating wheel 522 is lower than the height of the upper surface of the third guide rail 511, and a third material receiving driver for driving the third rotating wheels 522 to rotate is connected to the lower surface of the third material receiving plate 521. The third material bearing driver is set as a rotating motor and is electrically connected with the controller. The third material loading driver drives the third rotating wheels 522 to rotate synchronously in a mode of driving a belt and a driving rod, and the rotating directions of the third rotating wheels 522 are the same. After the third material receiving plate 521 moves upward, the controller controls the third material receiving driver to start, and the third rotating wheels 522 contact the empty material box and move the empty material box toward the direction close to the second material conveying and clamping assembly 53.

Referring to fig. 11, the second material conveying and clamping assembly 53 includes a plurality of second material conveying and clamping material receiving plates 531 arranged horizontally, and the number of the second material conveying and clamping material receiving plates 531 is the same as the number of the third material receiving plates 521 and is arranged in a one-to-one correspondence manner. That is, in the present embodiment, four second material conveying and gripping material receiving plates 531 are provided. The lower surface of the second material conveying clamping material bearing plate 531 is connected with a second material conveying clamping driver for driving the second material conveying clamping material bearing plate 531 to move along the vertical direction, the second material conveying clamping driver can be an air cylinder or a hydraulic cylinder, and the second material conveying clamping driver is electrically connected with the controller. When the controller controls the third material conveying driver to drive the third material bearing plate 521 to move upwards, the second material conveying clamping material bearing plate 531 corresponding to the third material bearing plate 521 which moves upwards synchronously.

Referring to fig. 14, a plurality of second material conveying clamping rotating wheels 532 are connected to both vertical sides of the second material conveying clamping material receiving plate 531 close to and far from the third guide rail 511, and a second material conveying clamping power device for driving the second material conveying clamping rotating wheels 532 to rotate is connected to a lower surface of the second material conveying clamping material receiving plate 531. The second material conveying clamping power device is set as a rotating motor and is electrically connected with the controller. The second material conveying clamping power device drives the second material conveying clamping rotating wheels 532 to synchronously rotate in a mode of driving a belt and a driving rod. The rotation direction of the second material conveying clamping rotating wheel 532 is the same as the rotation direction of the third rotating wheel 522.

Referring to fig. 14, the second material conveying and clamping assembly 53 further includes a second material conveying and clamping horizontal driver 533 connected to the frame 1 and located above the second material conveying and clamping material receiving plate 531, wherein the second material conveying and clamping horizontal driver 533 is a linear motor and is electrically connected to the controller. The output end of the second material conveying clamping horizontal driver 533 is connected to a second material conveying clamping connection plate 534 which is vertically arranged, and at least one second material conveying clamping vertical driver 535 is connected to the second material conveying clamping connection plate 534. Referring to fig. 11, the number of the second material conveying clamp vertical drivers 535 is the same as that of the first material conveying clamp vertical drivers 235, that is, in the present embodiment, two second material conveying clamp vertical drivers 535 are provided, and two second material conveying clamp vertical drivers 535 are provided along the length direction of the third guide rail 511.

Referring to fig. 14, the output end of the second material conveying clamping vertical driver 535 is connected to a second material conveying clamping connecting frame 536 which is horizontally arranged, and a plurality of second material conveying clamping suction cups 537 are connected to the second material conveying clamping connecting frame 536. The frame 1 is connected with a discharging and material transferring vacuum generator connected with a plurality of second material transferring clamping suckers 537, and the discharging and material transferring vacuum generator is electrically connected with a controller. After the controller starts the discharging and material transferring vacuum generator, the discharging and material transferring vacuum generator enables the second material transferring clamp to clamp the inside of the sucking disc 537 to form negative pressure, so that the photovoltaic cell is clamped. The second material conveying and transporting guide rail 541 is located between the second material conveying and clamping material receiving plate 531 and the second material conveying and clamping vertical driver 535, and one end of the second material conveying and transporting guide rail 541, which is close to the second material conveying and clamping material receiving plate 531, is located obliquely above the second material conveying and clamping material receiving plate 531. That is, in the present embodiment, two second material conveying and transporting assemblies 54 are located between the four second material conveying and clamping material receiving plates 531.

Referring to fig. 14, the fourth material conveying assembly 56 includes two parallel fourth guide rails 561, and the length direction of the fourth guide rails 561 is parallel to the length direction of the third guide rail 511. A fourth conveyor 562 is slidably connected to each fourth rail 561. One end of the fourth guide rail 561 is provided with a fourth material conveying driver 563 connected to the frame 1, and the fourth material conveying driver 563 is configured as a rotating electrical machine and is electrically connected to the controller. The output of the fourth material conveying driver 563 is connected to both of the fourth conveyor belts 562. The fourth material conveying driver 563 is started, the fourth material conveying driver 563 drives the two fourth conveyor belts 562 to move synchronously, and the moving direction of the fourth conveyor belts 562 is the same as that of the third conveyor belt 512. The fourth material conveying driver 563 and the third material conveying driver 513 are located on the same side of the second material conveying mechanism 5, so that a worker can conveniently move the material box from the same side of the second material conveying mechanism 5.

Referring to fig. 14, the fourth material transporting assemblies 57 are located between two fourth conveyor belts 562 and are sequentially arranged along the length direction of the fourth conveyor belts 562, at least one fourth material transporting assembly 57 is arranged, and the number of the fourth material transporting assemblies 57 is the same as that of the third material transporting assemblies 52. In this embodiment, therefore, four fourth material handling assemblies 57 are provided. The fourth material transporting assembly 57 includes a fourth material transporting driver connected to the frame 1 and vertically disposed, the fourth material transporting driver may be an air cylinder or a hydraulic cylinder, and the fourth material transporting driver is electrically connected to the controller. The output end of the fourth material conveying driver is connected with a horizontally arranged fourth material bearing plate 571, the height of the upper surface of the fourth material bearing plate 571 is lower than that of the upper surface of the fourth guide rail 561, and the fourth material bearing plates 571 and the third material bearing plates 521 are arranged in a one-to-one correspondence manner.

Referring to fig. 14, a plurality of fourth rotating wheels 572 are connected to both vertical sides of the fourth material receiving plate 571 parallel to the length direction of the fourth conveyor belt 562, and the upper ends of the fourth rotating wheels 572 are lower than the upper surfaces of the fourth guide rails 561. The lower surface of the fourth material supporting plate 571 is connected with a fourth material supporting driver for driving the fourth rotating wheel 572 to rotate, the fourth material supporting driver is a rotating motor, and the fourth material supporting driver is electrically connected with the controller. The fourth material loading driver drives the fourth rotating wheels 572 to rotate synchronously by means of a driving belt and a driving rod. The plurality of fourth rotating wheels 572 rotate in the same direction, and the fourth rotating wheels 572 and the third rotating wheels 522 rotate in the same direction.

The implementation principle of the embodiment is as follows: the controller is connected with all electrical components in the laser nondestructive cutting equipment, so that the automatic operation of the laser nondestructive cutting equipment is realized. A worker or an AGV trolley places the material boxes containing the photovoltaic cell sheets into the first material conveying assembly 21, and four material boxes are placed at a time. After the four magazines move to above the four first material transporting assemblies 22, the four magazines are transferred to the four first material transferring and receiving plates 231 by the first material transporting assemblies 22. Then, the first material clamping component 23 clamps the photovoltaic cell pieces in the material box to the first material conveying component 24, and the first material conveying conveyor belt 242 drives the photovoltaic cell pieces to move towards the direction close to the conveying mechanism 4.

As the photovoltaic cell sheets move over the transport mechanism 4, the first transfer assembly 25 transfers the photovoltaic cell sheets in the first conveyor assembly 24 onto the respective transport plates 43. The endless conveyor belt 42 drives each transport plate 43 to pass through the cutting mechanism 3 one by one, and the cutting mechanism 3 cuts the photovoltaic cell pieces on the transport plates 43.

The cut photovoltaic cell pieces move to the lower part of the second transfer assembly 55 along with the transport plate 43, and the second transfer assembly 55 clamps the photovoltaic cell pieces on the transport plate 43 into the second material conveying and transporting assembly 54. The second material conveying and conveying assembly 54 conveys the photovoltaic cell sheets to and from the second material conveying and conveying assembly 54 by the second material conveying and conveying clamping assembly 53.

At this time, the worker or the AGV cart transports an empty magazine for accommodating the cut photovoltaic cell pieces to the third material conveying assembly 51. And four empty material boxes are transported each time, and the four empty material boxes respectively move to the positions above the four third material transporting assemblies 52 and are transmitted to the second material conveying clamping material bearing plate 531 by the third material transporting assemblies 52. The photovoltaic cells in the second material transfer and transport assembly 54 are clamped into respective empty magazines. After the empty magazine is filled with photovoltaic cells, the second material conveying clamp 531 conveys the magazine to the fourth material conveying assembly 57, and finally the magazine is conveyed to a worker or an AGV by the fourth material conveying assembly 56 to complete the blanking.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Laser non-destructive cutting equipment for photovoltaic cells, comprising a frame (1), characterized in that: a first material conveying mechanism (2), a cutting mechanism (3), a conveying mechanism (4) and a second material conveying mechanism (5) are arranged on the rack (1), and the conveying mechanism (4) is located between the first material conveying mechanism (2) and the second material conveying mechanism (5);

the cutting mechanism (3) comprises a cutting laser (31) which is used for cutting the photovoltaic cell piece, a heating laser (32) which is used for heating the photovoltaic cell piece and a cooling assembly (33) which is used for cooling the photovoltaic cell piece, wherein the cutting laser (31) is sequentially arranged along the transmission direction of the photovoltaic cell piece.

2. The laser nondestructive cutting device for photovoltaic cell pieces according to claim 1, characterized in that: the laser emitting head of cutting laser instrument (31), the laser emitting head of heating laser instrument (32) and the coolant liquid outlet end of cooling module (33) all are provided with a plurality ofly and set up in groups, and every group all includes the laser emitting head of a cutting laser instrument (31), the laser emitting head of a heating laser instrument (32) and the coolant liquid outlet end of a cooling module (33) that set gradually along photovoltaic cell piece direction of transfer.

3. The laser nondestructive cutting device for photovoltaic cell pieces according to claim 1, characterized in that: the first material conveying mechanism (2) comprises a first material conveying assembly (21), a first material conveying clamping assembly (23), a second material conveying assembly (26) and a first conveying assembly (25) used for conveying the photovoltaic cell pieces in the first material conveying clamping assembly (23) to the conveying mechanism (4);

the first material conveying assembly (21) comprises two first guide rails (211) which are arranged side by side, a first conveying belt (212) used for conveying material boxes containing photovoltaic cell slices is connected in each first guide rail (211) in a sliding mode, and the same end of each first guide rail (211) is connected with a first material conveying driver (213) used for driving the first conveying belt (212) to move;

at least one first conveying assembly (22) sequentially arranged along the length direction of the first conveying belts (212) is arranged between the two first conveying belts (212), each first conveying assembly (22) comprises a first conveying driver which is connected with the rack (1) and is vertically arranged, the output end of each first conveying driver is connected with a first material bearing plate (221) which is horizontally arranged, a plurality of first rotating wheels (222) are arranged on two sides, close to the first conveying belts (212), of each first material bearing plate (221), and a first material bearing driver used for driving the first rotating wheels (222) to rotate is arranged below each first material bearing plate (221); the heights of the upper ends of the first material bearing plate (221) and the first rotating wheel (222) are lower than the height of the upper surface of the first guide rail (211);

the first conveying clamping and taking assembly (23) is located on one side, close to the conveying mechanism (4), of the first conveying assembly (21), the first conveying clamping and taking assembly (23) comprises a plurality of first conveying clamping and taking material bearing plates (231) which are arranged in one-to-one correspondence with the first material bearing plates (221), a first conveying clamping and taking driver for driving the first conveying clamping and taking material bearing plates (231) to move in the vertical direction is arranged below the first conveying clamping and taking material bearing plates (231), a plurality of first conveying clamping and taking rotating wheels (232) are arranged on the side faces, close to and far away from the first guide rail (211), of the first conveying clamping and taking material bearing plates (231), and a first conveying clamping and taking power device for driving the first conveying clamping and rotating wheels (232) to rotate is arranged below the first conveying clamping and taking material bearing plates (231);

the first conveying clamp taking assembly (23) further comprises a first conveying clamp taking horizontal driver (233) which is connected with the rack (1) and located above the first conveying clamp taking material bearing plate (231), the output end of the first conveying clamp taking horizontal driver (233) is connected with a first conveying clamp taking connecting plate (234), at least one first conveying clamp taking vertical driver (235) is connected onto the first conveying clamp taking connecting plate (234), the output end of the first conveying clamp taking vertical driver (235) is connected with a first conveying clamp taking connecting frame (236), and a plurality of first conveying clamp taking suction cups (237) are connected onto the first conveying clamp taking connecting frame (236);

at least one first material conveying component (24) is arranged in the rack (1), the first material conveying component (24) comprises two rows of first material conveying guide rails (241) which are connected with the rack (1) and horizontally arranged, a first material conveying conveyor belt (242) is connected in each first material conveying guide rail (241) in a sliding mode, and a first material conveying driver (243) for driving the first material conveying conveyor belt (242) to move is arranged on the rack (1); the first conveying guide rail (241) is located at a height between the first conveying clamping material-taking bearing plate (231) and the first conveying clamping vertical driver (235), one end of the first conveying guide rail (241) is located obliquely above the first conveying clamping material-taking bearing plate (231), and the other end of the first conveying guide rail (241) is located above the conveying mechanism (4);

the second material conveying assembly (26) is located on one side, close to the conveying mechanism (4), of the first material clamping and receiving plate (231), the second material conveying assembly (26) comprises two second guide rails (261) arranged side by side, the length direction of the second guide rails (261) is parallel to the length direction of the first guide rails (211), a second conveyor belt (262) is connected in each second guide rail (261) in a sliding mode, and the same end of each second guide rail (261) is connected with a second material conveying driver (263) used for driving the second conveyor belt (262) to move;

at least one second conveying assembly (27) sequentially arranged along the length direction of the second conveying belts (262) is arranged between the two second conveying belts (262), the number of the second conveying assemblies (27) is the same as that of the first conveying assemblies (22), each second conveying assembly (27) comprises a second conveying driver which is connected with the rack (1) and is vertically arranged, the output end of each second conveying driver is connected with a second material bearing plate (271) which is horizontally arranged, the second material bearing plates (271) and the first material bearing plates (221) are arranged in a one-to-one correspondence manner, a plurality of second rotating wheels (272) are arranged on two sides, close to the second conveying belts (262), of the second material bearing plates (271), and second material bearing drivers for driving the second rotating wheels (272) to rotate are arranged below the second material bearing plates (271); the heights of the upper ends of the second material bearing plate (271) and the second rotating wheel (272) are lower than the height of the upper surface of the second guide rail (261);

the first transfer assemblies (25) are positioned above the transport mechanism (4) and on one side of the first material conveying assemblies (24), and the number of the first transfer assemblies (25) is the same as that of the first material conveying assemblies (24); the first transmission assembly (25) comprises a first transmission vertical driver (251) connected with the rack (1), the output end of the first transmission vertical driver (251) is connected with a first transmission horizontal plate (252), the first transmission horizontal plate (252) is connected with a first transmission rotary driver (253), the output end of the first transmission rotary driver (253) is connected with a first transmission connecting frame (254), and the lower end of the first transmission connecting frame (254) is provided with a plurality of first transmission suckers (255) used for adsorbing photovoltaic cell pieces.

4. The laser nondestructive cutting device for photovoltaic cell piece according to claim 3, characterized in that: the number of the first material conveying assemblies (22) is four, every two of the four first material conveying assemblies (22) are in one group, and two groups of the first material conveying assemblies (22) are respectively positioned on two sides of the first material conveying assembly (24);

two first material conveying clamping vertical drivers (235) are arranged, and the two first material conveying clamping vertical drivers (235) are arranged along the length direction of the second guide rail (261);

the first material conveying assemblies (24) are arranged in two, and the two first material conveying assemblies (24) are arranged side by side along the length direction of the second guide rail (261).

5. The laser nondestructive cutting device for photovoltaic cell piece according to claim 4, characterized in that: the second material conveying mechanism (5) comprises a third material conveying assembly (51), a second material conveying clamping assembly (53), a fourth material conveying assembly (56) and a second conveying assembly (55) used for moving the photovoltaic cell sheets in the conveying mechanism (4) to the second material conveying clamping assembly (53);

the third material conveying assembly (51) comprises two third guide rails (511) arranged side by side, a third conveyor belt (512) is connected in each third guide rail (511) in a sliding manner, and the same end of each third guide rail (511) is connected with a third material conveying driver (513) for driving the third conveyor belt (512) to move;

at least one third material conveying assembly (52) sequentially arranged along the length direction of the third conveyor belt (512) is arranged between the two third conveyor belts (512), and the number of the third material conveying assemblies (52) is the same as that of the first material conveying assemblies (22); the third material conveying assembly (52) comprises a third material conveying driver which is connected with the rack (1) and is vertically arranged, the output end of the third material conveying driver is connected with a third material bearing plate (521) which is horizontally arranged, a plurality of third rotating wheels (522) are arranged on two sides, close to the third conveyor belt (512), of the third material bearing plate (521), and a third material bearing driver which is used for driving the third rotating wheels (522) to rotate is arranged below the third material bearing plate (521); the heights of the upper ends of the third material bearing plate (521) and the third rotating wheel (522) are lower than the height of the upper surface of the third guide rail (511);

the second material conveying clamping assembly (53) is located on one side, away from the conveying mechanism (4), of the third material conveying assembly (51), the second material conveying clamping assembly (53) comprises a plurality of second material conveying clamping material bearing plates (531) which are arranged in one-to-one correspondence with the third material bearing plates (521), a second material conveying clamping driver for driving the second material conveying clamping material bearing plates (531) to move along the vertical direction is arranged below the second material conveying clamping material bearing plates (531), a plurality of second material conveying clamping rotating wheels (532) are arranged on the side surfaces, close to and far away from the third guide rail (511), of the second material conveying clamping material bearing plates (531), and a second material conveying clamping power device for driving the second material conveying clamping rotating wheels (532) to rotate is arranged below the second material conveying clamping material bearing plates (531);

the second material conveying clamping assembly (53) further comprises a second material conveying clamping horizontal driver (533) which is connected with the frame (1) and located above the second material conveying clamping material bearing plate (531), the output end of the second material conveying clamping horizontal driver (533) is connected with a second material conveying clamping connecting plate (534), at least one second material conveying clamping vertical driver (535) is connected to the second material conveying clamping connecting plate (534), and the number of the second material conveying clamping vertical drivers (535) is the same as that of the first material conveying clamping vertical drivers (235); the output end of the second material conveying clamping vertical driver (535) is connected with a second material conveying clamping connecting frame (536), and a plurality of second material conveying clamping suckers (537) are connected to the second material conveying clamping connecting frame (536);

at least one second material conveying and transporting assembly (54) is arranged in the rack (1), and the number of the second material conveying and transporting assemblies (54) is the same as that of the first material conveying and transporting assemblies (24); the second material conveying and transporting assembly (54) comprises a second material conveying and transporting guide rail (541) which is connected with the rack (1) and horizontally arranged, rotating rollers are arranged at two ends of the second material conveying and transporting guide rail (541), a second material conveying and transporting conveyor belt (542) which is in sliding connection with the two rotating rollers is arranged on the second material conveying and transporting guide rail (541), and a second material conveying and transporting driver which is used for driving the second material conveying and transporting conveyor belt (542) to move is arranged on the rack (1); the second material conveying and conveying guide rail (541) is positioned between the second material conveying and clamping material bearing plate (531) and the second material conveying and clamping vertical driver (535), one end of the second material conveying and conveying guide rail (541) is positioned obliquely above the second material conveying and clamping material bearing plate (531), and the other end of the second material conveying and conveying guide rail (541) is positioned above the conveying mechanism (4);

the fourth material conveying assembly (56) is located on one side, away from the conveying mechanism (4), of the second material conveying clamping material bearing plate (531), the fourth material conveying assembly (56) comprises two fourth guide rails (561) which are arranged side by side, the length direction of each fourth guide rail (561) is parallel to the length direction of each third guide rail (511), a fourth conveyor belt (562) is connected in each fourth guide rail (561) in a sliding mode, and the same end of each fourth guide rail (561) is connected with a fourth material conveying driver (563) used for driving the fourth conveyor belt (562) to move;

at least one fourth material conveying assembly (57) sequentially arranged along the length direction of the fourth conveyor belt (562) is arranged between the two fourth conveyor belts (562), and the number of the fourth material conveying assemblies (57) is the same as that of the third material conveying assemblies (52); the fourth material conveying assembly (57) comprises a fourth material conveying driver which is connected with the rack (1) and is vertically arranged, the output end of the fourth material conveying driver is connected with a horizontally arranged fourth material bearing plate (571), the fourth material bearing plate (571) and the third material bearing plate (521) are arranged in a one-to-one correspondence manner, a plurality of fourth rotating wheels (572) are arranged on two sides of the fourth material bearing plate (571) close to the fourth conveyor belt (562), a fourth material bearing driver for driving the fourth rotating wheels (572) to rotate is arranged below the fourth material bearing plate (571), and the heights of the upper ends of the fourth material bearing plate (571) and the fourth rotating wheels (572) are lower than the height of the upper surface of the fourth guide rail (561);

the second transfer assemblies (55) are positioned above the transport mechanism (4) and at one side of the second material conveying and transporting assemblies (54), and the number of the second transfer assemblies (55) is the same as that of the second material conveying and transporting assemblies (54); the second transmission assembly (55) comprises a second transmission vertical driver (551) connected with the rack (1), the output end of the second transmission vertical driver (551) is connected with a second transmission horizontal plate (552), a second transmission rotary driver (553) is connected to the second transmission horizontal plate (552), the output end of the second transmission rotary driver (553) is connected with a second transmission connecting frame (554), and the lower end of the second transmission connecting frame (554) is provided with a plurality of second transmission suckers (555) for adsorbing photovoltaic cell slices.

6. The laser nondestructive cutting device for photovoltaic cell piece according to claim 3, characterized in that: the conveying mechanism (4) comprises a supporting table (41) connected with the rack (1), an annular conveying belt (42) connected with the supporting table (41) in a sliding mode is arranged on the upper surface of the supporting table (41), and a plurality of conveying plates (43) used for bearing the photovoltaic cell pieces are connected to the upper surface of the annular conveying belt (42); and a driving component for driving the annular conveyor belt (42) to move is arranged on the supporting platform (41).

7. The laser nondestructive cutting device for photovoltaic cell piece according to claim 6, characterized in that: a vacuum hole (431) is formed in the conveying plate (43), and a vacuum pipe is connected to one end, far away from the upper surface of the conveying plate (43), of the vacuum hole (431).

8. The laser nondestructive cutting device for photovoltaic cell piece according to claim 6, characterized in that: the endless conveyor belt (42) comprises two mutually parallel first parallel portions (421) and two mutually parallel second parallel portions (422), the first parallel portions (421) and the second parallel portions (422) being mutually perpendicular; an arc-shaped part (423) is arranged between the first parallel part (421) and the second parallel part (422) adjacent to the first parallel part, and two ends of the arc-shaped part (423) are respectively connected with the first parallel part (421) and the second parallel part (422) adjacent to the first parallel part; the arc-shaped part (423) bends towards the direction far away from the vertical central line of the support table (41), and the circle center of the arc-shaped part (423) is located on the rotation axis of the first transmission connecting frame (254) or the second transmission connecting frame (554) close to the arc-shaped part.

9. The laser nondestructive cutting device for photovoltaic cell piece according to claim 6, characterized in that: a vision detector (11) used for shooting the photovoltaic cell pieces on the conveying plate (43) is arranged right above the annular conveying belt (42), and the vision detector (11) is connected with a controller.