CN115255722A

CN115255722A - Loading and code scanning detection device for series welding machine, series welding machine and loading and code scanning detection method

Info

Publication number: CN115255722A
Application number: CN202210716322.0A
Authority: CN
Inventors: 陈波; 陶武松; 李婷婷; 戚培东
Original assignee: Zhejiang Jinko Solar Co Ltd; Jinko Solar Co Ltd
Current assignee: Zhejiang Jinko Solar Co Ltd; Jinko Solar Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-11-01

Abstract

The embodiment of the application relates to the photovoltaic field, provides a yard detection device is swept to material loading for stringer, stringer and material loading and sweeps a yard detection method, and a yard detection device is swept to material loading for stringer includes: the feeding part comprises a rotary lifting shaft and a rotary structure, the rotary structure is fixed on the rotary lifting shaft, and the rotary lifting shaft drives the rotary structure to lift and rotate; the rotating structure comprises at least one hollow part and a grabbing structure exposing the hollow part; and the code scanning structure acquires light rays which are reflected by the surface of the substrate and pass through the hollow part. The loading code scanning detection device for the series welding machine, the series welding machine and the loading code scanning detection method provided by the embodiment of the application can at least improve decoding efficiency and reduce fragment risk.

Description

Loading and code scanning detection device for series welding machine, series welding machine and loading and code scanning detection method

Technical Field

The embodiment of the application relates to the field of photovoltaics, in particular to a loading and code scanning detection device for a series welding machine, the series welding machine and a loading and code scanning detection method.

Background

The photovoltaic module is the minimum effective power generation unit, and the battery piece single chip of the photovoltaic module can not be directly used as a power supply and can be used as the power supply only by being connected in series, in parallel and packaged into a module. The specific process flow for preparing the photovoltaic module can be divided into: welding, laminating, EL testing, framing, wiring box assembling, cleaning, IV testing, finished product inspection, packaging and the like, and main equipment for preparing the photovoltaic module comprises a laser scribing machine, a series welding machine, automatic laminating equipment, a laminating machine and an automatic assembly line.

The series welding machine is a device for obtaining high voltage by connecting the battery plates in series and is also a core device of a photovoltaic module packaging production line. The series welding machine comprises an automatic feeding mechanism, a welding strip processing mechanism, a CCD appearance detection and positioning system, a welding mechanism, a belt transmission mechanism and an automatic discharging mechanism. However, in the process of welding a plurality of battery sheets to form a battery string by the string welding machine, a series of problems which affect the efficiency of the string welding machine can exist.

Disclosure of Invention

The embodiment of the application provides a loading code scanning detection device for a series welding machine, a series welding machine and a loading code scanning detection method, and the decoding efficiency can be at least improved while the fragment risk is reduced.

According to some embodiments of the present application, an aspect of the embodiments of the present application provides a stringer with material loading sweep a yard detection device includes: the feeding part comprises a rotary lifting shaft and a rotary structure, the rotary structure is fixed on the rotary lifting shaft, and the rotary lifting shaft drives the rotary structure to lift and rotate; the rotating structure comprises at least one hollow part and a grabbing structure exposing the hollow part; and the code scanning structure acquires light rays which are reflected by the surface of the substrate and pass through the hollow part.

In addition, the rotating structure comprises a first surface and a second surface which are opposite, the grabbing structure is located on the first surface of the rotating structure, and the code scanning structure is located on the second surface of the rotating structure.

In addition, the light source structure is further included, the light source structure is fixed on the second surface of the rotating structure or in the hollow portion, and the light source structure is used for generating light rays.

In addition, the axis of the light source structure is superposed with the axis of the hollow part.

In addition, sweep a yard structure and include the subassembly of acquireing, the orthographic projection of acquireing the subassembly on the revolution mechanic surface is located the fretwork portion.

In addition, the axis of the acquisition assembly coincides with the axis of the hollowed-out portion.

In addition, the grabbing structure is at least partially positioned at the outer side of the hollow part.

In addition, the grabbing structure is an adsorption structure, and the adsorption structure comprises at least 2 suckers; the 2 suckers are centrosymmetric.

In addition, the axis of the rotating structure is overlapped with the axis of the rotating lifting shaft; the surface of the rotating structure is provided with at least two grabbing structures, and the number of the grabbing structures is equal to that of the hollow parts.

In addition, the number of the hollow parts is equal to that of the code scanning structures.

In addition, still include support and decoding structure, the support can be dismantled with revolution mechanic and be connected, the support with sweep a yard structure and can dismantle and be connected, decoding structure with sweep a yard structure electricity and be connected.

In addition, the surface of the rotating structure is provided with at least one limiting hole, and one end of the bracket, which is far away from the code scanning structure, is fixed in the limiting hole; or the surface of the rotating structure is provided with a sliding groove, and one end of the bracket, which is far away from the code scanning structure, is fixed in the sliding groove.

In addition, the connection mode of the bracket and the code scanning structure comprises threaded connection or buckling connection.

According to some embodiments of the present application, there is provided in another aspect of the embodiments of the present application a series welding machine, including: the device comprises a rack, a transmission device, a loading and code scanning detection device, a CCD photographing detection device and a welding device, wherein the transmission device is installed on the rack and comprises a first transmission assembly and a second transmission assembly; a yard detection device is swept in material loading is used for shifting the substrate of first transmission subassembly to second transmission subassembly and sweep the sign indicating number to the substrate, and CCD detection device that shoots detects the substrate, and welding set is used for welding a plurality of substrates.

In addition, the substrate comprises a solar cell, a silicon wafer or a photovoltaic module.

According to some embodiments of the present application, in another aspect, there is provided a method for detecting a loading code scanning, including: providing a substrate, wherein the substrate is positioned on the first transmission assembly; the rotary lifting shaft drives the rotary structure to descend above the substrate; the grabbing structure of the feeding part grabs the substrate, and the code scanning structure shoots the substrate to obtain the characteristic information of the picture; the decoding structure judges whether the substrate is qualified or not based on the photo feature information; if the second transmission component is qualified, the rotating lifting shaft drives the rotating structure to rotate to the second transmission component.

In addition, snatch the structure and still include for adsorption structure, before sweeping a yard structure and shooing the substrate: the negative pressure of the vacuum adsorption substrate of the adsorption structure reaches a first preset value; the rotatory lift axle drives and still includes after the rotation of revolution mechanic reaches the second transmission assembly: the negative pressure of the vacuum adsorption substrate of the adsorption structure reaches a second preset value, and the first preset value is smaller than the second preset value.

The technical scheme provided by the embodiment of the application has at least the following advantages:

according to the technical scheme provided by the embodiment of the application, the code scanning device is arranged on the feeding device, the battery pieces are adsorbed by the grabbing structure of the feeding part, and then the fixed battery pieces are scanned, so that the number arranging steps can be reduced, the original action flow is reduced, and the production rhythm of equipment is improved; the battery piece is picked the structure and is adsorbed and fixed, sweeps the characteristic generation two-dimensional code that the code structure can be accurate on the scanning battery piece and decodes through the decoding structure, improves decoding efficiency, reduces the beat loss, avoids the broken piece risk that produces in the regular step.

Drawings

One or more embodiments are illustrated by the accompanying drawings in the drawings, which correspond to and are not to be construed as limiting the embodiments, unless expressly stated otherwise, the drawings are not to scale. One or more embodiments are illustrated by the accompanying drawings in the drawings, which correspond to the figures in the drawings, and the illustrations are not to be construed as limiting the embodiments, unless otherwise specified, and the drawings are not to scale; in order to more clearly illustrate the embodiments of the present application or technical solutions in the conventional technology, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a feeding code scanning detection device for a stringer according to an embodiment of the present application;

fig. 2 is a bottom view of a feeding code-scanning detection device for a stringer according to an embodiment of the present disclosure;

fig. 3 is a schematic cross-sectional view of a feeding code-scanning detection device for a stringer according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a code scanning structure according to an embodiment of the present application;

fig. 5 is a top view of a feeding code scanning detection device for a stringer according to an embodiment of the present disclosure;

FIG. 6 is a top view of another alternative feed scanning device for a stringer according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a series welding machine according to an embodiment of the present application.

Detailed Description

As known in the background art, the prior art stringer has poor decoding efficiency and a risk of fragment.

Analysis finds that one of the reasons causing poor decoding efficiency and chip breaking risk of the series welding machine is that when the battery piece is transmitted to the transmission device from the feeding device to be scanned in the next step, the battery piece is possibly shifted by the grabbing device when placed on the transmission platform, and the characteristics of the battery piece cannot be completely read when the code scanning device scans the codes, so that the decoding efficiency is low; if a regularization device is added before a code scanning device, there may be a risk of regularizing fragment and an impact on the equipment tempo.

The application provides a feeding and code scanning detection device for a series welding machine, the series welding machine and a feeding and code scanning detection method, the series welding machine comprises the feeding and code scanning detection device, a welding device and the like, the code scanning device is installed on the feeding device, a battery piece is adsorbed by using a grabbing structure of a feeding part, and then the code scanning is carried out on the fixed battery piece, so that the arranging steps can be reduced, the original action flow is reduced, and the production rhythm of equipment is improved; the battery piece is picked the structural adsorption and is fixed, sweeps the characteristic generation two-dimensional code that a yard structure can be accurate on the battery piece and decodes through the structure of decoding, improves decoding efficiency, reduces the beat loss, avoids the broken piece risk that produces in the regular step.

Embodiments of the present application will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in the examples of the present application, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

Fig. 1 is a schematic structural diagram of a feeding code scanning detection device for a stringer according to an embodiment of the present disclosure; fig. 2 is a bottom view of a feeding code-scanning detection device for a stringer according to an embodiment of the present disclosure; fig. 3 is a schematic cross-sectional view of a feeding code-scanning detection device for a stringer according to an embodiment of the present disclosure; fig. 4 is a schematic structural diagram of a code scanning structure according to an embodiment of the present application; fig. 5 is a top view of a feeding code scanning detection device for a stringer according to an embodiment of the present disclosure; fig. 6 is a top view of another feeding and code-scanning detection device for a stringer according to an embodiment of the present application.

Referring to fig. 1 to 6, in one aspect, an embodiment of the present application provides a feeding and code scanning detection device for a series welding machine, including: the feeding part comprises a rotary lifting shaft 10 and a rotary structure 11, the rotary structure 11 is fixed on the rotary lifting shaft 10, and the rotary lifting shaft 10 drives the rotary structure 11 to lift and rotate; the rotating structure 11 comprises at least one hollow part 12 and a grabbing structure 13 exposing the hollow part 12; the code scanning structure 21, the code scanning structure 21 obtains the light reflected by the surface of the substrate and passing through the hollow portion 12.

In some embodiments, the loading code-scanning detection device comprises a loading portion and a detection portion, wherein the loading portion is used for moving the substrate from the automatic feeding transmission table or the material box to the transmission device inside the series welding machine; the detection part shoots through the code scanning structure 21, then forms two-dimensional code or bar code information through relevant characteristics in the picture, and the decoding structure analyzes relevant information of the substrate, wherein the relevant information comprises process information and monitoring parameter information in the processing process of the substrate. The substrate comprises a solar cell, a silicon wafer or a photovoltaic module. In the embodiment of the present application, a substrate is taken as a solar cell (hereinafter, referred to as a cell 100) as an example. The Cell sheet 100 may be any one of an IBC (Interdigitated back Contact) Cell, a PERC (Passivated Emitter and reactor Cell), a TOPCon (Tunnel Oxide Passivated Contact) Cell, a heterojunction Cell, or a perovskite solar Cell.

In some embodiments, the rotation of the rotary lifting shaft 10 is controlled by a servo motor, and the lifting is controlled by an electric cylinder, so that the rotary lifting shaft 10 drives the rotary structure 11 to lift and rotate. The axis of the rotating structure 11 overlaps with the axis of the rotating lifting shaft 10, the rotating structure 11 may be a plane with a hollow portion, as shown in fig. 1, one rotating lifting shaft 10 may be fixedly connected to 1 rotating structure 11, and the rotating lifting shaft 10 rotates 180 ° clockwise or rotates 180 ° counterclockwise to move the substrate from the automatic feeding transmission table or magazine to the transmission device inside the stringer. In other embodiments, one rotary lifting shaft 10 may be fixedly connected to a plurality of rotary structures 11, a plurality refers to any natural number greater than or equal to 2, for example, one rotary lifting shaft 10 may be fixedly connected to 2 rotary structures 11, and the rotary lifting shaft 10 drives the rotary structures 11 to rotate 360 ° clockwise or rotate 360 ° counterclockwise to move the substrate from the automatic feeding transport table or the magazine to the transport device inside the stringer.

In some embodiments, the rotating structure 11 includes opposing first and second surfaces, the grasping structure 13 is located on the first surface of the rotating structure 11, and the code scanning structure 21 is located on the second surface of the rotating structure 11. The grabbing structure 13 and the code scanning structure 21 are located on the surface opposite to the rotating structure 11, and the grabbing structure 13 is not influenced to grab the substrate by the code scanning structure 21, so that the size and the position of the substrate are not limited by the code scanning structure, and the compatibility of the series welding machine is improved. In other embodiments, the code scanning structure 21 is located on the first surface of the rotating structure 11, and the distance between the plane of the code scanning structure 21 and the first surface of the rotating structure 11 is much smaller than the distance between the surface of the grabbing structure 13 contacting the substrate and the first surface of the rotating structure 11, so that the code scanning structure 21 can receive the light reflected by a larger area of the substrate, and the decoding accuracy is ensured.

In some embodiments, the surface of the rotating structure 11 has at least two gripping structures 13, and the number of gripping structures 13 is equal to the number of hollows 12. The number of the hollow-out parts 12 is equal to the number of the code scanning structures 21. The catching structures 13 are end portions of the rotating structure 11, and when the axis of the rotating structure 11 overlaps with the axis of the rotating shaft 10, the catching structures 13 may be disposed on both sides of the rotating structure 11. Like this, revolution mechanic 11 can carry out the removal of two battery slices 100 simultaneously and sweep the sign indicating number, promotes the takt of stringer to improve stringer's production efficiency.

In some embodiments, the gripping structure 13 is located at least partially outside the hollowed-out portion 12. That is, a part of the grabbing structure 13 is located in the area of the hollow portion 12, and a part of the grabbing structure is located outside the hollow portion 12. Therefore, more areas of the battery piece 100 captured by the capturing structure 13 are exposed in the hollow portion 12, and the light reflected by the battery piece 100 smoothly passes through the hollow portion 12 and is captured by the code scanning structure 21, rather than being reflected by the plane of the rotating structure 11 outside the hollow portion 12.

In some embodiments, the grasping configuration 13 is a suction configuration comprising at least 2 suction cups; the 2 suckers are centrosymmetric. The material of the suction cup is flexible soft rubber material, such as silica gel, PVC (polyvinyl chloride), rubber, TPE (Thermoplastic Elastomer). Adsorption structure mainly discharges the air in sucking disc bottom and battery piece contact surface space through certain elastic deformation through the sucking disc, passes through the leakproofness again, forms the vacuum to have firm adsorption affinity, and the material of sucking disc has the flexibility, can not cause the damage to the surface of battery piece, is favorable to reducing the breakage rate of battery piece. The sucking disc central symmetry adsorbs the both sides tip of battery piece, adsorbs more firmly, avoids the battery piece to drop and takes place the damage. And the code point information of general battery piece can not be placed at battery piece border position, and the tip of battery piece is fixed to the sucking disc, exposes the code point information at the middle part of battery piece in fretwork portion 12, sweeps code structure 21 and can once acquire the code point information of battery piece, is favorable to improving stringer's decoding efficiency to promote stringer's production efficiency. In other embodiments, the grabbing structure is a clamping jaw structure, and the inner side (the side in contact with the battery piece) of the clamping jaw structure is provided with a toothed soft rubber sleeve, so that the anti-skidding effect can be achieved when the battery piece is grabbed, the battery piece is prevented from slipping off, and meanwhile, the buffering effect can be achieved in the grabbing process, the damage to the battery piece is avoided, and the effect of protecting the battery piece is achieved.

It can be understood that the inner side of the suction cup of the adsorption structure is provided with or connected with a mechanism capable of adjusting the vacuum value between the suction cup and the surface of the battery piece, so that the battery piece is adsorbed on the suction cup, and when the rotating structure 11 moves to the transmission platform, the pressure relief between the battery piece and the suction cup is carried out, so that the battery piece is separated from the suction cup, namely, the battery piece falls off from the surface of the suction cup.

In some embodiments, the code scanning structure 21 may be a camera for taking a picture of the surface of the battery piece, and then the generated picture is transmitted to the decoding structure, and the decoding structure analyzes the related information of the battery piece according to the feature information on the picture. The code scanning structure 21 comprises an acquisition component 211 and an imaging component 212, the acquisition component 211 can be a lens of a camera, an orthographic projection of the acquisition component 211 on the surface of the rotating structure 11 is located in the hollow part 12, preferably, the orthographic projection of the acquisition component on the surface of the rotating structure 11 coincides with the hollow part 12, and an axis of the acquisition component 211 coincides with an axis of the hollow part 12, so that the area of the hollow part 12 is large enough, the number of light rays is more, the total information fed back by the reflected light rays is more comprehensive, and the accuracy of decoding of the series welding machine is improved. The code scanning structure 21 can completely capture the reflected light, and the influence of the leaked reflected light on the decoding accuracy is avoided.

In some embodiments, the detecting portion further includes a light source structure 23, the light source structure 23 is fixed on the second surface of the rotating structure 11 or in the hollow portion 12, and the light source structure 23 is used for generating light. The light source structure 23 is fixed in the hollow portion 12, and on one hand, light generated by the light source structure 23 can be directly reflected onto the substrate, and on the other hand, light generated by the light source structure 23 is transmitted onto the substrate by being refracted by the side wall of the hollow portion 12. Similarly, a part of the reflected light is directly captured by the code scanning structure 21, and another part of the reflected light is refracted by the sidewall of the hollow portion 12 and captured by the code scanning structure 21.

In some embodiments, the light source structure 23 is a hollow structure, and the light reflected by the battery sheet 100 passes through the middle area of the hollow structure and is finally captured by the code scanning structure 21. Specifically, as shown in fig. 2, the light source structure 23 may be an annular light source structure, and light reflected by the battery piece 100 passes through an inner ring of the annular light source and is finally obtained by the code scanning structure 21; the annular light source structure and the rotating structure 11 are fixed through 4 centrosymmetric screws. In other embodiments, the annular light source structure is fixed to the rotating structure 11 by a snap-fit or other connection.

In some embodiments, the axis of the light source structure 23 coincides with the axis of the hollow portion 12, and the axis of the grasping structure 13 coincides with the axis of the hollow portion 12, so that the offset between the axis of the battery piece 100 and the axis of the light source structure 23 is zero or smaller, the light generated by the light source structure 23 is uniformly emitted to the battery piece 100, and there is no bright-dark overlapped part on the surface of the battery piece 100, which is beneficial to improving the quality of the code scanning structure 21 acquiring the light reflected by the surface of the battery piece 100 and passing through the hollow portion 12, thereby improving the quality of the picture generated by the code scanning structure 21 and improving the accuracy of decoding of the decoding structure.

In some embodiments, the detecting portion further includes a support 22 and a decoding structure, the support 22 is detachably connected to the rotating structure 11, the support 22 is detachably connected to the code scanning structure 21, and the decoding structure is electrically connected to the code scanning structure 21. In actual operation, cameras with different pixels can be detachably connected and replaced through the support 22 and the code scanning structure 21, so that the code scanning positions of battery pieces with different sizes are met, the pictures shot by the cameras are guaranteed to be high in definition, and the decoding structure is easy to decode; the bracket 22 can be detachably connected with the rotating structure 11 so as to adapt to decoding of different position code points of different battery plates by adjusting the positions of the bracket 22 connected with the rotating structure 11.

In some embodiments, the connection manner of the bracket 22 and the code scanning structure 21 includes a threaded connection or a snap connection, for example, the bracket 22 and the code scanning structure 21 can be fixed by three screws, or the end of the bracket 22 has a snap and the end of the code scanning structure 21 has a groove, and the snap and the groove are both engaged to connect the bracket 22 and the code scanning structure 21.

In some embodiments, as shown in fig. 4 and 5, the surface of the rotating structure 11 has at least one limiting hole 14, and an end of the bracket 22 away from the code-scanning structure 21 is fixed in the limiting hole 14; alternatively, as shown in fig. 4 and 6, the surface of the rotating structure 11 has a sliding slot 15, and one end of the bracket 22 away from the code scanning structure 21 is fixed in the sliding slot 15. The arrangement of the limiting hole 14 and the sliding groove 15 can enable the code scanning structure 21 to be located at different positions, so that the different code point positions of the battery pieces are adapted, and the compatibility of the series welding machine is improved. When the end of the bracket 22 far from the code scanning structure 21 is fixed in the sliding groove 15, the bracket 22 can be connected with a mechanical device, so that the movement of the bracket 22 has an automatic function, and the labor cost is reduced.

According to the technical scheme, the code scanning device is installed on the feeding device, the grabbing structure 13 of the feeding part is used for adsorbing the battery pieces, and then the fixed battery pieces are scanned, so that the number arranging steps can be reduced, the original action flow is reduced, and the production beat of equipment is improved; the battery piece is picked structure 13 and is adsorbed and fixed, sweeps the characteristic generation two-dimensional code that code structure 21 can be accurate on the scanning battery piece and decodes through decoding structure, improves decoding efficiency, reduces the beat loss, avoids increasing regular structure destruction production beat and fragmentation risk.

Fig. 7 is a schematic structural diagram of a series welding machine according to some embodiments of the present application. Another aspect of the embodiments of the present application further provides a series welding machine, and referring to fig. 7, the series welding machine includes: the device comprises a rack, a transmission device, a feeding code scanning detection device 1, a CCD photographing detection device 4 and a welding device, wherein the transmission device is installed on the rack and comprises a first transmission assembly 31 and a second transmission assembly 32, and the feeding code scanning detection device 1 comprises the feeding code scanning detection device in the embodiment; the loading code scanning detection device is used for transferring the substrate of the first transmission assembly 31 to the second transmission assembly 32 and scanning the code of the substrate, the CCD photographing detection device 4 is used for detecting the substrate, and the welding device is used for welding a plurality of substrates.

In some embodiments, the substrate includes a solar cell (or simply cell 100), a silicon wafer, or a photovoltaic module. The first transfer assembly 31 may be an automatic feeding transfer table, which is a transfer belt. The second transfer assembly 32 is a transfer belt. The CCD photographing detection device 4 comprises a CCD body and a backlight source, when the battery piece 100 is conveyed to a set position by the second transmission assembly 32, the CCD body is used for photographing the battery piece 100, and after treatment, whether the appearance of the battery piece 100 has defects or not is judged, and the defect is transmitted to the robot body to be used for grabbing. Wherein, the battery piece 100 without appearance defects enters the welding device for welding.

According to some embodiments of the present application, in another aspect, there is provided a method for detecting a loading code scanning, including: providing a substrate, the substrate being positioned on the first transport assembly 31; rotating the lifting shaft 10 to drive the rotating structure 11 to descend above the substrate; the grabbing structure 13 of the feeding part grabs the substrate, and the code scanning structure 21 shoots the substrate to obtain the characteristic information of the picture; the decoding structure judges whether the substrate is qualified or not based on the photo feature information; if the rotation is qualified, the rotating lifting shaft 10 drives the rotating structure 11 to rotate to the second transmission assembly 32.

In some embodiments, the grabbing structure 13 is an absorption structure, and before the code scanning structure takes a picture of the substrate, the method further includes: the negative pressure of the vacuum adsorption substrate of the adsorption structure reaches a first preset value; the rotating and lifting shaft 10 drives the rotating structure 11 to rotate to the second transmission assembly 32, and then further includes: the negative pressure of the vacuum adsorption substrate of the adsorption structure reaches a second preset value, and the first preset value is smaller than the second preset value. The first preset value can be in the range of-0.5 MPa to-0.3 MPa, and the second preset value can be in the range of-50 Pa to 0.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the present application, and that various changes in form and details may be made therein without departing from the spirit and scope of the present application in practice. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the application, and it is intended that the scope of the application be limited only by the claims appended hereto.

Claims

1. The utility model provides a sign indicating number detection device is swept to material loading for stringer which characterized in that includes: the feeding part comprises a rotary lifting shaft and a rotary structure, the rotary structure is fixed on the rotary lifting shaft, and the rotary lifting shaft drives the rotary structure to lift and rotate; the rotating structure comprises at least one hollow part and a grabbing structure exposing the hollow part; and the code scanning structure acquires light rays which are reflected by the surface of the substrate and pass through the hollow part.

2. The loading code-scanning detection device for the stringer according to claim 1, wherein the rotating structure comprises a first surface and a second surface opposite to each other, the grabbing structure is located on the first surface of the rotating structure, and the code-scanning structure is located on the second surface of the rotating structure.

3. The loading and code-scanning detection device for the stringer according to claim 2, further comprising a light source structure fixed on the second surface of the rotation structure or in the hollow portion, wherein the light source structure is used for generating the light.

4. The loading and code-scanning detection device for the stringer according to claim 3, wherein an axis of the light source structure coincides with an axis of the hollow portion.

5. The loading code-scanning detection device for the stringer according to claim 1, wherein the code-scanning structure comprises an acquisition component, and an orthographic projection of the acquisition component on the surface of the rotating structure is located in the hollow portion.

6. The loading code-scanning detection device for the stringer according to claim 5, wherein an axis of the acquisition assembly coincides with an axis of the hollowed-out portion.

7. The loading and code-scanning detection device for the stringer according to claim 1, wherein the grabbing structure is at least partially located outside the hollow portion.

8. The loading and code scanning detection device for the stringer according to claim 1 or 7, wherein the grabbing structure is an adsorption structure, and the adsorption structure comprises at least 2 suckers; 2 the sucking discs are centrosymmetric.

9. The loading code-scanning detection device for the stringer according to claim 1, wherein an axis of the rotating structure overlaps with an axis of the rotating lifting shaft; the surface of the rotating structure is provided with at least two grabbing structures, and the number of the grabbing structures is equal to that of the hollow parts.

10. The loading code-scanning detection device for the stringer according to claim 9, wherein the number of the hollowed-out portions is equal to the number of the code-scanning structures.

11. The loading code-scanning detection device for the stringer according to claim 1, further comprising a support and a decoding structure, wherein the support is detachably connected with the rotating structure, the support is detachably connected with the code-scanning structure, and the decoding structure is electrically connected with the code-scanning structure.

12. The loading code-scanning detection device for the stringer according to claim 11, wherein the surface of the rotating structure is provided with at least one limiting hole, and one end of the bracket, which is far away from the code-scanning structure, is fixed in the limiting hole; or, the surface of the rotating structure is provided with a sliding groove, and one end, far away from the code scanning structure, of the support is fixed in the sliding groove.

13. The loading code-scanning detection device for the tandem welder according to claim 11, wherein the connection mode of the bracket and the code-scanning structure comprises a threaded connection or a snap connection.

14. A stringer, comprising: the device comprises a rack, a transmission device, a loading and code scanning detection device, a CCD photographing detection device and a welding device, wherein the transmission device is installed on the rack and comprises a first transmission assembly and a second transmission assembly, and the loading and code scanning detection device comprises the loading and code scanning detection device as claimed in any one of claims 1 to 13; the loading and code scanning detection device is used for transferring the substrate of the first transmission assembly to the second transmission assembly and scanning the code for the substrate, the CCD photographing detection device is used for detecting the substrate, and the welding device is used for welding a plurality of substrates.

15. The stringer according to claim 14, wherein said substrate comprises a solar cell, a silicon wafer or a photovoltaic module.

16. A loading code scanning detection method is characterized by comprising the following steps:

providing a substrate, wherein the substrate is positioned on the first transmission assembly;

rotating the lifting shaft to drive the rotating structure to descend above the substrate;

the grabbing structure of the feeding part grabs the substrate, and the code scanning structure shoots the substrate to obtain the characteristic information of the picture;

the decoding structure judges whether the substrate is qualified or not based on the photo feature information;

if the transmission line is qualified, the rotating lifting shaft drives the rotating structure to rotate to the second transmission assembly.

17. The loading code scanning detection method according to claim 16, wherein the grabbing structure is an adsorption structure, and the code scanning structure further comprises, before photographing the substrate: the negative pressure of the adsorption structure for vacuum adsorption of the substrate reaches a first preset value; the rotatory lift axle drives revolution mechanic still includes after rotatory to the second transmission subassembly: and the negative pressure of the adsorption structure for vacuum adsorption of the substrate reaches a second preset value, and the first preset value is smaller than the second preset value.