CN209912841U

CN209912841U - Photovoltaic solar wafer PL detects machine

Info

Publication number: CN209912841U
Application number: CN201920958629.5U
Authority: CN
Inventors: 徐文斌; 黄荣杰; 刘宇昆; 李宝玉
Original assignee: Guangzhou Blue Sea Intelligent Equipment Co Ltd
Current assignee: Guangzhou Lanhai Robot System Co ltd
Priority date: 2019-06-23
Filing date: 2019-06-23
Publication date: 2020-01-07
Anticipated expiration: 2029-06-23

Abstract

A photovoltaic solar cell PL detection machine comprises a rack, a detection conveying device, an automatic material taking and placing device, a conveying device, a lifting device and a transverse moving device; the detection conveying device comprises a detection conveying rack, a detection conveying driving mechanism and a detection device; the automatic feeding and discharging device comprises a rack, lifting devices are respectively installed at the feeding end and the discharging end of the rack, a detection conveying device is installed in the middle of the rack, an automatic feeding and discharging device is arranged at the feeding end of the rack, more than two automatic feeding and discharging devices are arranged side by side at the discharging end of the rack, a conveying device is arranged between the automatic feeding and discharging device at the feeding end and the detection conveying device, a conveying device is arranged between the detection conveying device and the automatic feeding and discharging device at the discharging end, and a transverse moving device is arranged above the automatic feeding and discharging device at the discharging end. The utility model provides a rational in infrastructure, get fast photovoltaic solar wafer PL of expecting and detect machine.

Description

Photovoltaic solar wafer PL detects machine

Technical Field

The utility model relates to a detection of solar wafer, concretely relates to photovoltaic solar wafer PL detects machine.

Background

The quality of the silicon wafer is very important to the electrical performance of the solar cell, or the quality of the original silicon wafer directly determines the electrical performance of the solar cell. Moreover, with the reduction of the prices of silicon materials and silicon wafers, the proportion of the operation cost of the processing technology of the battery piece is increased, and the detection requirement on the original silicon wafer is higher and higher.

The existing original silicon wafer detection equipment can only detect the defects of the silicon wafer such as the overall dimension, the edge and the like, and the novel equipment can detect the resistivity, the dislocation, the hidden crack, the impurities, the minority carrier lifetime and the like, so that the performance of the original silicon wafer can be reflected more accurately.

In order to solve the technical problems, the full-automatic measurement equipment for the solar primary silicon wafer is provided, and the full-automatic measurement and sorting equipment for the solar primary silicon wafer is disclosed in the patent document with the publication number of 2012.08.29 of the Chinese patent application number of 201120538654.1, and comprises a feeding table, wherein a double-line transmission belt is arranged behind the feeding table, a sorting table is arranged behind the double-line transmission belt, and a detection system for detecting the solar cell on the double-line transmission belt is arranged at the position of the double-line transmission belt; the detection system comprises a thickness and resistivity detection unit, an external dimension and warping degree detection unit, a hidden crack detection unit, an oil stain detection unit, an edge defect detection unit, a photoluminescence detection unit, an infrared spectrum detection block and a line mark measurement unit, wherein the detection units are sequentially arranged and are connected with a microcomputer control system.

However, according to the technical solution disclosed in this document, the silicon wafers are required to be actively fed to the double-line conveyor belt through the feeding table, and the feeding table cannot continuously convey the silicon wafers on the feeding table to the double-line conveyor belt, and after the silicon wafers are conveyed to the double-line conveyor belt, the conveying direction of the silicon wafers may be deviated, which may affect the detection result of the silicon wafers.

In order to solve the problem of automatic feeding and discharging, a silicon wafer taking mechanism is disclosed in the patent document of chinese patent application No. 201610824106.2, which comprises a frame, a sliding plate and a taking belt, wherein the sliding plate is slidably disposed on the frame, the taking belt is connected between the frame and the sliding plate, and the frame is provided with a first driving member for driving the sliding plate to stretch and a second driving member for driving the taking belt to operate. The material taking method of the material taking mechanism comprises the following steps: the first driving piece drives the sliding plate to extend into the silicon wafer box, and the material taking belt enters the silicon wafer box along with the sliding plate; the first driving piece stops acting, the second driving piece drives the material taking belt to operate, and the silicon wafers in the silicon wafer box sequentially fall onto the material taking belt to be conveyed away; after the silicon wafers in the silicon wafer box are conveyed, the second driving piece stops acting, the first driving piece drives the sliding plate to retract to the initial position, and the material taking belt retreats from the silicon wafer box along with the sliding plate. The utility model provides a silicon chip test sorting facilities, is including the silicon chip box, transmission belt, positioning mechanism, testboard, sorting mechanism and above-mentioned silicon chip feeding agencies that arrange in proper order, and the feeding belt is located between silicon chip box and the transmission belt. Although better material taking and material placing can be realized, the slide plate is easy to vibrate in the process of repeated movement, so that the working stability of the silicon wafer material taking mechanism is poor.

Disclosure of Invention

For solving the problem that exists among the prior art, the utility model provides a rational in infrastructure, get a photovoltaic solar wafer PL detection machine that the material is fast.

In order to achieve the purpose, the photovoltaic solar cell PL detection machine comprises a rack, a detection conveying device, an automatic material taking and placing device, a conveying device, a lifting device and a transverse moving device; the detection conveying device comprises a detection conveying rack, a detection conveying driving mechanism and a detection device, wherein the detection conveying rack is arranged on the rack, the detection conveying driving mechanism is arranged on the detection conveying rack, and the detection device is positioned above the detection conveying driving mechanism; the automatic feeding and discharging device comprises a rack, lifting devices are respectively installed at the feeding end and the discharging end of the rack, a detection conveying device is installed in the middle of the rack, an automatic feeding and discharging device is arranged at the feeding end of the rack, more than two automatic feeding and discharging devices are arranged side by side at the discharging end of the rack, a conveying device is arranged between the automatic feeding and discharging device at the feeding end and the detection conveying device, a conveying device is arranged between the detection conveying device and the automatic feeding and discharging device at the discharging end, and a transverse moving device is arranged above the automatic feeding and discharging device at the discharging end.

The working principle of the photovoltaic solar cell PL detection machine is as follows: the photovoltaic solar cells are stacked in the flower basket on the material loading end lifting device, and gaps are reserved between adjacent photovoltaic solar cells in the flower basket at the material loading end. Starting the automatic material taking and placing device at the feeding end, extending the automatic material taking and placing device into a gap below the uppermost photovoltaic solar cell at the feeding end, driving the photovoltaic solar cells in the basket to move out of the basket by using the automatic material taking and placing device, and the photovoltaic solar cells are conveyed to a conveying device by an automatic material taking and placing device, the photovoltaic solar cells are conveyed to a detection conveying device by the conveying device, when the photovoltaic solar cell moves to the lower part of the detection device, the detection device is used for carrying out PL detection on the photovoltaic solar cell, after the detection is finished, the detection conveying device is used for conveying the photovoltaic solar cell to the conveying device at the output end of the detection conveying device, according to the detection result, the photovoltaic solar cells are moved to the automatic material taking and placing device of the corresponding blanking end by the transverse moving device, and the photovoltaic solar cells are input into the flower basket in the blanking end by the automatic material taking and placing device. And if the next detection is required, starting the lifting device to enable the basket at the feeding end to rise by the height of one photovoltaic solar cell, and repeating the steps to complete the detection of the photovoltaic solar cell.

The utility model discloses a solar wafer PL detects machine, place the basket of flowers at elevating gear, realize continuous material loading and unloading, because adopted automatic get and put the material device, consequently, can realize taking out the photovoltaic solar wafer in the basket of flowers and put the photovoltaic solar wafer after detecting into the basket of flowers; due to the arrangement of the conveying device, the conveyed photovoltaic solar cells can be buffered, corrected and conveyed by utilizing the difference of the conveying speed of the conveying device and the conveying speed of other devices, so that the conveying is more reliable and accurate; owing to set up the sideslip device, consequently, can classify the letter sorting and carry the photovoltaic solar wafer that detects.

Above PL detects machine can realize full-automatic transport and detect, has improved the efficiency of transport and detection, and the rate of accuracy of detecting is high.

Further, the detection conveying rack comprises a detection conveying supporting plate, a detection conveying bottom plate and a fixed supporting plate; the detection conveying bottom plate is arranged on the rack; the detection conveying support plate is arranged on the detection conveying bottom plate, and fixed support plates are respectively arranged between the front end and the rear end of the detection conveying support plate. The fixed support plate can improve the strength of the detection conveying rack.

Further, the detection conveying driving mechanism comprises a detection conveying driving device and a detection conveying device; the detection conveying drive is arranged on the detection conveying rack;

the detection conveying device comprises a driving wheel, a driven wheel set, a guide wheel set and a detection conveying belt; the action wheel is connected with the detection conveying drive, and the detection conveying drive drives the action wheel, and driven wheelset and direction wheelset are installed and are being detected on carrying the frame, detect conveyor belt cover on action wheel, driven wheelset and direction wheelset.

Above structure, it is rotatory to detect the drive that carries and drive the action wheel, and the action wheel drives and detects conveyor belt motion to can realize the reliable conveying to solar wafer.

Furthermore, a concave groove is formed in the middle of the detection conveying rack, and the detection conveying belt is located on the periphery of the concave groove; the detection conveying rack is provided with an approach sensing device at the front end of the depressed groove, and the detection conveying rack is provided with a detection receiving device at the rear end of the depressed groove. Because the sunken groove is arranged, the position of the detection conveying belt in the sunken groove is positioned at the periphery of the sunken groove, and when the sensing device sends a signal, the sunken groove reserves a space, so that the problem of detection interference is solved, and the detection is more reliable and accurate.

Further, the automatic material taking and placing device comprises a material taking and placing fixed rack, a material taking and placing conveying mechanism and a material taking and placing mechanism; the material taking and placing conveying mechanism comprises a material taking and placing conveying drive and a material taking and placing conveying assembly, and the material taking and placing conveying drive is arranged on the material taking and placing fixed rack; the material taking and placing conveying assembly comprises more than one group of material taking and placing transmission mechanisms; the material taking and discharging transmission mechanism comprises a material taking and discharging transmission driving wheel, a material taking and discharging transmission driven wheel set and a material taking and discharging belt; the material taking and discharging transmission driving wheel is driven by the material taking and discharging conveying driving wheel, and the material taking and discharging transmission driven wheel set is arranged on the material taking and discharging fixing rack; the material taking and placing mechanism comprises a material taking and placing rack, a material taking and placing drive and a material taking and placing guide wheel set; get the gliding establishment of blowing frame in the frame, get the material drive install get the blowing fixed frame on and drive get the blowing frame, get and be equipped with the direction wheelset on getting the material frame, get the material belt cover get the blowing transmission action wheel, get the material transmission driven wheelset and get on the material direction wheelset.

Above-mentioned automatic get and put material device gets to expect to carry the drive to drive and get the blowing transmission action wheel rotatory, gets to expect to drive the action wheel and drive and get the blowing belt motion. In the material taking and placing process, the material taking and placing belt is driven to drive the material taking and placing rack through the material taking and placing drive, the material taking and placing rack stretches out of the flower basket to take and place materials, and therefore continuous and automatic material taking in the flower basket and material placing of photovoltaic solar cells in the flower basket at the discharging end can be achieved.

Further, the material taking and placing frame comprises a material taking and placing support, a sliding block connecting piece connected to the lower end of the material taking and placing support and a material taking and placing plate installed at the upper end of the material taking and placing support; the sliding block connecting piece is connected to the rack in a sliding mode, and the material taking and placing plate extends towards the conveying direction of the material taking and placing belt; the material taking and placing guide wheel set comprises a third driven wheel arranged on the material taking and placing support and a material taking and placing conveying wheel arranged on the material taking and placing plate. Above-mentioned structure, get the material drive and get blowing support, slider connecting piece and get the motion of blowing, let get the blowing and stretch out and get material or blowing, get material and blowing reliable.

Furthermore, a cushion pad fixing block is arranged on the machine frame, and a cushion pad used for buffering the sliding block connecting piece is arranged on the cushion pad fixing block. Owing to set up the blotter, consequently, can cushion getting and putting material frame reciprocating motion, reduce vibrations, improve the reliability and the stability of carrying.

Further, the conveying device comprises a conveying rack, a conveying driving mechanism and a conveying mechanism; the conveying rack is arranged on the rack; the transmission drive is arranged on the transmission rack and drives the transmission mechanism;

the transmission mechanism comprises a first driven wheel, a second driven wheel and a transmission belt;

one end of the conveying rack is provided with a first conveying driven wheel, and the other end of the conveying rack is provided with a second conveying driven wheel;

the first transmission driven wheel is connected with the second transmission driven wheel through a transmission belt; the first driven wheel is driven by the transmission driving.

Furthermore, the lifting device comprises a lifting frame, a lifting driving mechanism and a lifting seat; the price lifting frame is arranged on the machine frame, the lifting driving mechanism is arranged on the lifting frame, the lifting seat is arranged on the lifting frame in a sliding mode, and the lifting driving mechanism drives the lifting seat to move up and down. According to the structure, the lifting driving mechanism drives the lifting seat to move up and down, so that continuous feeding and discharging are realized.

Further, the transverse moving device comprises a transverse moving rack, a transverse moving drive and a sucker device; the transverse moving rack is arranged on the rack, the transverse moving drive is arranged on the transverse moving rack, the sucker device is arranged on the transverse moving rack in a sliding mode, and the transverse moving drive drives the sucker device to move. Utilize the sideslip drive to drive sucking disc device, like this, can be better sort photovoltaic solar wafer.

Drawings

FIG. 1 is a schematic perspective view of a PL detection machine.

Fig. 2 is a schematic view of the three-dimensional structure of the middle detection conveying device of the present invention.

Fig. 3 is the utility model discloses well detection conveyor's split structure sketch map.

Fig. 4 is a schematic view of the three-dimensional structure of the automatic material taking and placing device of the present invention.

Fig. 5 is the utility model discloses well automatic blowing device split structure sketch map of getting.

Fig. 6 is a schematic view of another structure of the automatic material taking and placing device of the present invention.

Fig. 7 is a schematic view of another structure of the automatic material taking and placing device of the present invention.

Fig. 8 is a schematic view of a three-dimensional structure of the middle conveying device of the present invention.

Fig. 9 is a schematic view of the split structure of the middle conveying device of the present invention.

Fig. 10 is a schematic view of a three-dimensional structure of the middle lifting device of the present invention.

Fig. 11 is a schematic view of the split structure of the middle lifting device of the present invention.

Fig. 12 is a schematic perspective view of the traverse device of the present invention.

Fig. 13 is a schematic view of the split structure of the middle traversing device of the present invention.

Fig. 14 is a partial enlarged view of a in fig. 1 of the inspection conveyor of the present invention.

Detailed Description

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

As shown in fig. 1, the photovoltaic solar cell PL detector comprises a rack 9, a detection conveying device 1, an automatic material taking and placing device 3, a conveying device 4, a lifting device 5 and a transverse moving device 7. The automatic material taking and placing device comprises a rack 9, a lifting device 5, a detection conveying device 1, an automatic material taking and placing device 3, a conveying device 4, a transverse moving device and a transverse moving device, wherein the lifting device 5 is installed at the feeding end and the discharging end of the rack 9 respectively, the detection conveying device 1 is installed in the middle of the rack 9, the automatic material taking and placing device 3 is arranged at the feeding end of the rack 9, the more than two automatic material taking and placing devices 3 are arranged side by side at the discharging end of the rack, the conveying device 4 is arranged between the automatic material taking and placing device 3 at the feeding end and the detection conveying device 1, the conveying device 4 is arranged between the detection conveying device 1 and the automatic material taking and placing device at the discharging end, and the transverse moving device is.

As shown in fig. 2 and 3, the inspection conveyance device 1 includes an inspection conveyance rack, an inspection conveyance drive mechanism, and an inspection device 2.

The detection conveying rack comprises a detection conveying support plate 11, a detection conveying bottom plate 12 and a fixed support plate 15. The detection conveying bottom plate 12 is arranged on the frame 9; in this embodiment, two detection conveying support plates 11 are provided, two detection conveying support plates 11 are arranged symmetrically with respect to the center of the conveying direction, the detection conveying support plates 11 are installed on the detection conveying bottom plate 12, a space is formed between the two detection conveying support plates 11, fixing support plates 15 are respectively arranged at the front end and the rear end of the detection conveying support plates 11 and between the two detection conveying support plates 11, and the fixing support plates 15 can enhance the stability of the detection conveying support plates 11.

The detection conveying support plate 11 is provided with a concave groove 112 extending to the middle part of the detection conveying support plate 11 from the top end to the bottom in the middle part of the conveying direction; in this embodiment, the concave groove 112 is narrow at the top and wide at the bottom, and the bottom of the concave groove 112 is parallel to the top of the detection transport support plate 11.

The detection conveying driving mechanism comprises a detection conveying driving device and a detection conveying device.

The detection conveyance drive includes a detection conveyance motor 111 and a drive shaft 11302. A detection conveying motor rack 110 is arranged on one detection conveying supporting plate 11, and a detection conveying motor 111 is arranged on the detection conveying motor rack 110; the driving shaft 11302 is mounted on the two detection and conveyance support plates 11 through bearings, and the output shaft of the detection and conveyance motor 111 is connected to the driving shaft 11302 through a coupling 13. When the detection conveying motor 111 is operated, the driving shaft 11302 is driven to rotate.

In this embodiment, two sets of detecting and conveying devices are provided, corresponding to each detecting and conveying support plate 11. The detection conveying device comprises a driving wheel 113, a driven wheel set 114, a guide wheel set 115 and a detection conveying belt 117.

The capstan 113 is mounted on the drive shaft 11302.

The driven wheel set 114 includes a first driven wheel 11401 mounted at the front end 118 of the detection conveying support plate, a second driven wheel 11402 mounted at the rear end 119 of the detection conveying support plate, a third driven wheel 11403 mounted on the detection conveying support plate and located at the front end of the recessed groove 112, a fourth driven wheel 11404 mounted on the detection conveying support plate and located at the rear end of the recessed groove 112, and a fifth driven wheel 11405 mounted on the detection conveying support plate and located below the first driven wheel 11401.

The guide wheel set 115 includes a first guide wheel 11501 installed on the detection conveyance support plate and located at the front end of the driving wheel 113, a second guide wheel 11502 installed on the detection conveyance support plate and located at the rear end of the driving wheel 113, a third guide wheel 11503 installed on the detection conveyance support plate and located between the first driven wheel 11401 and the third driven wheel 11403, a fourth guide wheel 11504 installed on the detection conveyance support plate and located between the second driven wheel 11402 and the fourth driven wheel 11404, a fifth tension wheel 11505 installed on the detection conveyance support plate and located below the third driven wheel 11403, and a sixth guide wheel 11506 installed on the detection conveyance support plate and located below the fourth driven wheel 11404.

The detection conveying belt 117 is sleeved on the driving wheel 113, the driven wheel set 114 and the guide wheel set 115, the detection conveying belt 117 moves around the periphery of the concave groove 112 in the middle of the detection conveying supporting plate 11, and the concave groove 112 is provided with a belt baffle 14 for stably detecting the conveying belt 117.

A detection conveyor supporting plate 116 for supporting the detection conveyor belt 117 is provided on the top of the detection conveyor supporting plate 11 at both ends of the concave groove 112.

With the above structure, the rotation of the driving shaft 11302 drives the driving wheel 113 to rotate, the driving wheel 112 drives the detection conveying belt 117 to move, and the detection conveying belt 117 is located below the recessed groove 112 at the recessed groove 112.

The concave groove 112 allows the laser of the detection device to pass through the outflow space, so as to avoid influencing the detection of the solar cell.

The detection conveyance base plate 12 is provided with a detection reception device 121 located in front of the depressed groove 112 and an approach sensing device 122 located behind the depressed groove 112. The detection receiving device 121 comprises an upper laser head 12101 and a laser head bracket 12102 for mounting the upper laser head 12101, and the laser head bracket 12102 is mounted on the detection conveying bottom plate 12; the proximity sensor device 122 includes a proximity sensor 12201 and a proximity sensor holder 12202 for mounting the proximity sensor 12201, and the proximity sensor holder 12202 is mounted on the detection conveyor base plate 12.

The upper laser head 12101 arranged on the detection conveying bottom plate 12 is used for receiving the laser emitted by the detection device, when the solar cell is conveyed to the upper part of the concave groove 112, the concave groove 112 and the detection conveying belt 117 moving around the periphery of the concave groove 112 do not influence the laser emitted by the detection device to penetrate through the solar cell for detection, the detection data is accurate, and the information of the detected solar cell is fed back in time by the proximity sensor 12201 positioned behind the concave groove 112.

The detection means is an existing PL detection means and, therefore, is not described again. The detection device is positioned above the concave groove.

When the photovoltaic solar cell moves to the position below the detection device under the action of the detection conveying belt 117, PL detection is performed on the photovoltaic solar cell by using the detection device.

As shown in fig. 1, 4, 5 and 14, automatic material taking and placing devices 3 are respectively installed on the machine frame at the material loading end and the material unloading end.

The automatic material taking and placing device 3 comprises a material taking and placing fixed rack, a material taking and placing conveying mechanism and a material taking and placing mechanism.

The fixed rack for taking and placing materials comprises a first support 31 positioned at one end of the automatic taking and placing device 3 and a second support 32 positioned at the other end of the automatic taking and placing device 3. The first support 31 includes a first base 3101, a first cross member 3102 mounted on the first base 3101, and a first upright plate 3103 mounted on the first cross member 3102; two first bases 3101 are provided, and two first vertical plates 3103 are provided. The second bracket 32 comprises a second base 3201, a second cross beam 3202 arranged on the second base 3201, and a second vertical plate 3203 arranged on the second cross beam 3202; two second bases 3201 and two second vertical plates 3203 are provided.

The material taking and placing conveying mechanism comprises a material taking and placing conveying drive and a material taking and placing conveying assembly.

The material taking and placing conveying drive comprises a material taking and placing conveying motor 316 and a material taking and placing conveying driving shaft 318, wherein the material taking and placing conveying motor 316 is installed on the first support 31, specifically, the material taking and placing conveying motor 316 is installed on one of the first vertical plates 3103, the material taking and placing conveying driving shaft 318 is installed on the first support 31 through a bearing, specifically, the material taking and placing conveying driving shaft 318 is installed between the two first vertical plates 3103 through a bearing, and a material taking and placing coupling 317 is connected between the material taking and placing conveying motor 316 and the material taking and placing conveying driving shaft 318.

The material taking and placing conveying assembly comprises more than one group of material taking and placing transmission mechanisms. The material taking and placing transmission mechanism comprises a material taking and placing transmission driving wheel 311, a material taking and placing transmission driven wheel set and a material taking and placing belt 36. In this embodiment, the material taking and placing transmission mechanisms are provided with two sets.

The material taking and placing transmission driving wheel 311 is installed on the material taking and placing conveying driving shaft 318.

The material taking and discharging transmission driven wheel set comprises a first tension wheel 312, a second tension wheel 313, a first driven wheel 314 and a second driven wheel 321. The first tensioning wheel 312 is mounted on a first vertical plate 3103 positioned on one side of the material taking and placing transmission driving wheel 311, the second tensioning wheel 313 is mounted on a first vertical plate 3103 positioned on the other side of the material taking and placing transmission driving wheel 311, the first driven wheel 314 is mounted on the first vertical plate 3103, the second driven wheel 321 is mounted on the second vertical plate 3203 through a screw 3211 and a nut 3212, a kidney-shaped hole 32031 is formed in the second vertical plate 3203, and the screw penetrates through the kidney-shaped hole 32031, so that the position of the second driven wheel 321 can be adjusted, and the purpose of adjusting the tightness of the material taking and placing belt 36 can be realized.

The material taking and placing belt 36 is sleeved on the material taking and placing transmission driving wheel 311, the first driven wheel 314 and the second driven wheel 321, and the material taking and placing belt 36 is pressed by the first tension wheel 312 and the second tension wheel 313, so that the material taking and placing transmission driving wheel 311 can reliably transmit power to the material taking and placing belt 36.

The material taking and placing mechanism comprises a material taking and placing rack 300, a material taking and placing drive 330 and a material taking and placing guide wheel set.

The material taking and placing frame 300 comprises a material taking and placing support 33, a slider connecting piece 331 connected to the lower end of the material taking and placing support 33, and a material taking and placing plate 34 installed on the upper end of the material taking and placing support 33. The material taking and placing bracket 33 is arranged between the first bracket 31 and the second bracket 32. The pick-and-place plate 34 extends towards the second bracket 32, and a sensor is arranged at the front end of the pick-and-place plate 34.

The pick and place drive 330 includes a linkage 334 and a drive cylinder 335. The connecting piece 334 is installed on the material taking and placing support 33, the cylinder body of the driving air cylinder 335 is connected to the first support 31, and the piston rod of the driving air cylinder 335 is connected to the connecting piece 334.

The material taking and placing guide wheel set comprises a third driven wheel 336 arranged on the material taking and placing support 33 and a material taking and placing conveying wheel 341 arranged at one end of the material taking and placing plate 34 close to the second support. The material taking and placing belt is sleeved on the third driven wheel 336 and the material taking and placing conveying wheel 341.

The slide block connecting piece 331 is provided with a slide block 332, the slide block 332 is arranged on a slide rail 333 in a sliding way, and the slide rail 333 is arranged on the frame 9.

A material taking and placing belt supporting plate 35 for supporting a material taking and placing belt 36 is arranged on the upper surface of the first vertical plate of the first support 31, and the material taking and placing plate 34 and the belt supporting plate 35 are located at the same horizontal height and are higher than the second support 32.

Cushion fixing blocks 38 are respectively arranged on the frame 9 between the first bracket 31 and the second bracket 32, and cushions 37 for buffering the sliding block connecting pieces 331 are arranged on the cushion fixing blocks 38; the buffer pad 37 can prevent the photovoltaic solar cell from being damaged due to contact with the slider connecting piece 331 when limiting the moving position of the slider connecting piece 331.

The left side and the right side of the second support 32 are respectively provided with a guide strip 91, and the guide strips 91 guide the movement of the photovoltaic solar cell so as to align the position of the photovoltaic solar cell.

The working method of the automatic material taking and placing device 3 is as follows: the material taking and placing conveying motor 316 works, the material taking and placing conveying motor 316 drives the material taking and placing conveying driving shaft 318 to rotate through the material taking and placing coupler 317, the material taking and placing conveying driving shaft 318 drives the material taking and placing transmission driving wheel 311 to rotate, the material taking and placing transmission driving wheel 311 drives the material taking and placing belt 36 to move, and the material taking and placing belt 36 drives the photovoltaic solar cell pieces on the material taking and placing belt 36 to move.

The material taking and placing method of the automatic material taking and placing device 3 comprises the following steps:

when taking materials, a piston rod of a driving cylinder 335 in the automatic taking and placing device at the feeding end pushes out the taking and placing support 33 along the sliding direction of the slide rail 333 through the connecting piece 334, the taking and placing plate 34 extends into the basket of the photovoltaic solar cell, and then the photovoltaic solar cell is conveyed to the conveying device 4 behind the automatic taking and placing device 3 through the taking and placing belt 36.

During discharging, a piston rod of a driving cylinder 335 in the automatic discharging and taking device at the discharging end pushes out the discharging and taking support 33 along the sliding direction of the sliding rail 333 through the connecting piece 334, the discharging and taking plate 34 extends into the basket of the photovoltaic solar cell, the detected photovoltaic solar cell is conveyed to the discharging and taking belt 36 at the discharging end, and the photovoltaic solar cell is conveyed to the basket of the flower under the action of the movement of the discharging and taking belt 36.

The material taking and placing belt 36 is matched with the material taking and placing plate 34, the linking performance is good, and the material taking and placing speed is high. The sensors arranged on the first support 31 and the material taking and placing support 33 can feed back information when the photovoltaic solar cell passes through.

As shown in fig. 6 and 7, another structure of the automatic material taking and placing device 3 includes a material taking and placing fixing rack, a material taking and placing conveying mechanism, and a material taking and placing mechanism.

The fixed rack for taking and placing materials comprises a first bracket 31 positioned at one end of the automatic taking and placing device 3, a second bracket 32 positioned at the other end of the automatic taking and placing device 3 and a third bracket 3300 positioned between the first bracket 31 and the second bracket 32. The first support 31 includes a first base 3101, a first cross member 3102 mounted on the first base 3101, and a first upright plate 3103 mounted on the first cross member 3102; two first bases 3101 are provided, and two first vertical plates 3103 are provided. The second bracket 32 comprises a second base 3201, a second cross beam 3202 arranged on the second base 3201, and a second vertical plate 3203 arranged on the second cross beam 3202; two second bases 3201 and two second vertical plates 3203 are provided.

The material taking and feeding transmission driven wheel set comprises a first tensioning wheel 312, a second tensioning wheel 313, a first driven wheel 314, a second driven wheel 321, a fourth driven wheel 341, a fifth driven wheel 342 and a sixth driven wheel 343. The first tensioning wheel 312 is mounted on a first vertical plate 3103 positioned on one side of the material taking and placing transmission driving wheel 311, the second tensioning wheel 313 is mounted on a first vertical plate 3103 positioned on the other side of the material taking and placing transmission driving wheel 311, the first driven wheel 314 is mounted on the first vertical plate 3103, the second driven wheel 321 is mounted on the second vertical plate 3203 through a screw 3211 and a nut 3212, a kidney-shaped hole 32031 is formed in the second vertical plate 3203, and the screw penetrates through the kidney-shaped hole 32031, so that the position of the second driven wheel 321 can be adjusted, and the purpose of adjusting the tightness of the material taking and placing belt 36 can be realized. The fourth driven pulley 341, the fifth driven pulley 342, and the sixth driven pulley 343 are mounted on the third bracket 3300, and the fourth driven pulley 341 is higher than the fifth driven pulley 342 and the sixth driven pulley 343.

The material taking and placing belt 36 is sleeved on the material taking and placing transmission driving wheel 311, the first driven wheel 314, the second driven wheel 321, the fourth driven wheel 341, the fifth driven wheel 342 and the sixth driven wheel 343, and the material taking and placing belt 36 is pressed by the first tension wheel 312 and the second tension wheel 313, so that the material taking and placing transmission driving wheel 311 can reliably transmit power to the material taking and placing belt 36.

The material taking and placing frame 300 comprises a material taking and placing support 33, a slider connecting piece 331 connected to the lower end of the material taking and placing support 33, and a material taking and placing plate 34 installed on the upper end of the material taking and placing support 33. The material taking and placing support 33 is arranged between the third support 300 and the second support 32. The pick-and-place plate 34 extends towards the second bracket 32, and a sensor is arranged at the front end of the pick-and-place plate 34.

The first bracket 31 and the third bracket 3300 are provided with a material taking and placing belt supporting plate 35 for supporting a material taking and placing belt 36, and the material taking and placing plate 34 and the belt supporting plate 35 are located at the same horizontal height and are higher than the second bracket 32.

Cushion fixing blocks 38 are respectively arranged on the frame 9 between the third bracket 3300 and the second bracket 32, and cushions 37 for the cushion slider connecting pieces 331 are arranged on the cushion fixing blocks 38; the buffer pad 37 can prevent the photovoltaic solar cell from being damaged due to contact with the slider connecting piece 331 when limiting the moving position of the slider connecting piece 331.

The left side and the right side of the second support 32 are respectively provided with a guide strip, and the guide strips guide the movement of the photovoltaic solar cell so as to align the position of the photovoltaic solar cell.

As shown in fig. 1, 8, and 9, the transfer device 4 includes a transfer rack 400, a transfer drive 401, and a transfer mechanism 402.

The transfer rack 400 includes a transfer bracket 41 and a transfer side plate 42; two conveying side plates 42 are provided on the conveying rack 41 symmetrically with respect to the center of the conveying direction.

The conveying drive 401 includes a conveying motor 45, a conveying driving wheel 451, a conveying driving wheel 441, a conveying driving shaft 44 and a conveying timing belt 46.

The transmission mechanism 402 includes a first driven pulley 421, a second driven pulley 422, and a transmission belt 43.

One end of the transmission side plate 42 is provided with a first driven wheel 421, and the other end of the transmission side plate 42 is provided with a second driven wheel 422.

The conveying first driven wheel 421 is connected with the conveying second driven wheel 422 through the conveying belt 43; the first driven pulley 421 is mounted on the transmission driving shaft 44, the transmission driving shaft 44 is provided with a transmission driving pulley 441, and the transmission driving shaft 44 is mounted on the transmission side plate 42 through a bearing.

The conveying bracket 41 is provided with a conveying motor mounting plate for mounting the conveying motor 45, the conveying motor 45 is provided with a conveying driving wheel 451, and the conveying driving wheel 441 and the conveying driving wheel 451 are connected by a conveying timing belt 46.

When the transmission motor 45 works, the transmission motor 45 drives the transmission driving shaft 44 to rotate through the transmission driving wheel 451, the transmission synchronous belt 46 and the transmission driving wheel 441, and the transmission driving shaft 44 drives the transmission first driven wheel 421 to rotate, so as to drive the transmission belt 43 to move, and thus, the photovoltaic solar cell is conveyed.

The left end and the right end of the conveying device are respectively provided with a guide strip used for guiding and aligning the position of the photovoltaic solar cell.

The sensor arranged on the conveying device 4 can feed back information when the photovoltaic solar cell passes through, the conveying device 4 is arranged between the automatic material taking and placing device 3 at the material loading end and the detection conveying device 1, and the conveying device 4 is arranged between the automatic material taking and placing device 3 at the material unloading end and the detection conveying device 1.

As shown in fig. 1, 10 and 11, the lifting device 5 includes a lifting frame, a lifting driving mechanism and a lifting base.

The lifting frame comprises a lifting upright post 51 and a lifting device mounting plate 52, the lifting device mounting plate 52 is mounted on the machine frame 9, and the lifting upright post 51 is mounted on the lifting device mounting plate 52.

The elevation drive includes an elevation motor 53, an elevation coupling 54, an elevation screw 55, and a screw nut 552. The lifting upright post 51 is provided with a screw rod seat 512 for fixing the position of the lifting screw rod 55, the lifting screw rod 55 is provided with a screw rod nut 551 and a screw rod nut connector 552, the screw rod nut connector 552 is connected with the lifting seat connector 56 to enable the screw rod nut 551 to drive the lifting seat connector 56 to move up and down, the two ends of the lifting seat connector 56 are symmetrically provided with lifting slide blocks 57, the lifting slide blocks 57 are matched with lifting slide rails 581 arranged on the lifting upright post 51, the upper end of the lifting upright post 51 is provided with a lifting motor 53, and the lifting motor 53 is connected with the lifting screw rod 55 through a lifting coupler 54 to drive the lifting.

The elevation sensors 511 are respectively provided at upper and lower ends of one side of the elevation column 51, and the elevation sensors 511 are engaged with elevation sensing pieces 561 mounted on the elevation base connection member 56.

The lifting seat 59 comprises a lifting vertical plate 593 and a support guide bar 592, the lifting seat connecting piece 56 is connected with the lifting vertical plate 593, and the lifting seat 59 is provided with a photovoltaic solar cell sheet flower basket 591 and the support guide bar 592 for stabilizing the position of the photovoltaic solar cell sheet flower basket 591.

The lifting motor 53 drives the lifting screw 55 to rotate so that the lifting seat connecting piece 56 connected with the screw nut connecting piece 552 moves up and down along the lifting slide rail 581, so as to drive the lifting seat 59 to move up and down, and the support guide bar 592 prevents the photovoltaic solar cell sheet basket 591 from being damaged due to collision with the photovoltaic solar cell sheet when the photovoltaic solar cell sheet is conveyed into the photovoltaic solar cell sheet basket 591.

As shown in fig. 1, 12 and 13, the traverse device 7 includes a traverse frame, a traverse drive and a suction cup device 79.

The traverse rack comprises a traverse bracket 72 and a traverse beam 71, the traverse bracket 72 is mounted on the rack 9, and the traverse beam 71 is mounted on the traverse bracket 72.

The traverse drive includes a traverse motor 751, a traverse drive shaft 742, a traverse drive wheel 741, a traverse driven wheel 732, and a traverse belt 76. A traverse driving shaft mounting seat 74 is mounted on one of the traverse bracket 72 or the traverse beam 71, and a traverse motor mounting plate 75 is mounted on the traverse driving shaft mounting seat 74; the traverse motor 751 is mounted on the traverse motor mounting plate 75; the traverse driving shaft 742 is mounted on the traverse driving shaft mounting seat 74 through a bearing; the output shaft of the traversing motor is connected with the traversing driving shaft through a traversing coupling 752; the traverse driving wheel 741 is mounted on the traverse driving shaft 742; a transverse moving driven shaft mounting seat 73 is mounted on the transverse moving beam 71, a transverse moving driven shaft 731 is mounted on the transverse moving driven shaft mounting seat 73 through a bearing, and a transverse moving driven wheel 732 is mounted on the transverse moving driven shaft 731; the traverse belt 76 is fitted between the traverse driving pulley and the traverse driven pulley.

A moving member 77 which is half covered on the transverse moving base plate is arranged above the transverse moving belt 76, a belt clamping member 78 is arranged below the transverse moving belt 76, the moving member 77 and the belt clamping member 78 are matched and fixedly connected with the transverse moving belt 76, the transverse moving device 7 is driven by the transverse moving belt 76 to reciprocate, a sucker device 79 is arranged below the moving member 77, and the sucker device 79 is a sucker.

The traverse sensors 711 are provided at both ends of the traverse beam 71, respectively, and the traverse sensors 711 are engaged with the traverse induction member 771 installed on the moving member 77.

The working principle of the traversing device 7 is as follows: the sideslip motor passes through the sideslip shaft coupling and drives the sideslip driving shaft rotatory, the sideslip driving shaft drives the sideslip action wheel rotatory, the sideslip action wheel drives the sideslip belt motion, drive the motion of sucking disc device through moving member and belt clamping piece, the conveyer's of unloading end photovoltaic solar wafer piece will be carried to the sucking disc device adsorbs and lives, through the work of sideslip motor, on moving the automatic blowing device of getting of the unloading end of corresponding position with photovoltaic solar wafer piece, get through automatic and put the material device and carry away. The effect of sorting the photovoltaic solar cells is achieved.

As shown in fig. 1, an electric cabinet 92 is arranged at the lower end of the rack 9, a display screen 93 and a control panel 94 are arranged at the upper end of the rack 9, and a multilayer signal lamp 95 capable of timely feeding back the working state of the PL detector is arranged at the top of the rack 9.

The working principle of the photovoltaic solar cell PL detection machine is as follows: the photovoltaic solar cells are stacked in the flower basket at the feeding end, and gaps are reserved between the adjacent photovoltaic solar cells in the flower basket at the feeding end. Starting an automatic material taking and placing device at a feeding end, driving a material taking and placing belt to move through a material taking and placing conveying motor, simultaneously starting a material taking and placing drive to drive a material taking and placing plate to extend into a gap below the uppermost photovoltaic solar cell at the feeding end, driving a photovoltaic solar cell in a flower basket to move out of the flower basket by using the material taking and placing belt, conveying the photovoltaic solar cell to a detection conveying device by using the conveying device, carrying out PL detection on the photovoltaic solar cell by using the detection device when the photovoltaic solar cell moves to the position below the detection device, after the detection is finished, conveying the photovoltaic solar cell to a conveying device at the output end of the detection conveying device by using the detection conveying device, and moving the photovoltaic solar cell to the automatic material taking and placing device at the corresponding discharging end by using a transverse moving device according to the detection result, and inputting the photovoltaic solar cell into the flower basket in the blanking end by utilizing the automatic material taking and placing device. And if the next detection is required, starting the lifting device to enable the basket at the feeding end to rise by the height of one photovoltaic solar cell, and repeating the steps to complete the detection of the photovoltaic solar cell.

The utility model discloses a solar wafer PL detects machine, place the basket of flowers at elevating gear, realize continuous material loading and unloading, because adopted automatic get and put the material device, consequently, can realize taking out the photovoltaic solar wafer in the basket of flowers and put the photovoltaic solar wafer after detecting into the basket of flowers; because the detection conveying device with the concave groove is arranged, the detection accuracy is high. Due to the arrangement of the conveying device, the conveyed photovoltaic solar cells can be buffered, corrected and conveyed, so that the conveying is more reliable and accurate; owing to set up the sideslip device, consequently, can classify the letter sorting and carry the photovoltaic solar wafer that detects.

Claims

1. The utility model provides a photovoltaic solar wafer PL detects machine which characterized in that: comprises a frame, a detection conveying device, an automatic material taking and placing device, a conveying device, a lifting device and a transverse moving device; the detection conveying device comprises a detection conveying rack, a detection conveying driving mechanism and a detection device, wherein the detection conveying rack is arranged on the rack, the detection conveying driving mechanism is arranged on the detection conveying rack, and the detection device is positioned above the detection conveying driving mechanism; the automatic feeding and discharging device comprises a rack, lifting devices are respectively installed at the feeding end and the discharging end of the rack, a detection conveying device is installed in the middle of the rack, an automatic feeding and discharging device is arranged at the feeding end of the rack, more than two automatic feeding and discharging devices are arranged side by side at the discharging end of the rack, a conveying device is arranged between the automatic feeding and discharging device at the feeding end and the detection conveying device, a conveying device is arranged between the detection conveying device and the automatic feeding and discharging device at the discharging end, and a transverse moving device is arranged above the automatic feeding and discharging device at the discharging end.

2. The PL detection machine for photovoltaic solar cells, according to claim 1, is characterized in that: the detection conveying rack comprises a detection conveying supporting plate, a detection conveying bottom plate and a fixed supporting plate; the detection conveying bottom plate is arranged on the rack; the detection conveying support plate is arranged on the detection conveying bottom plate, and fixed support plates are respectively arranged between the front end and the rear end of the detection conveying support plate.

3. The PL detection machine for photovoltaic solar cells, according to claim 1, is characterized in that: the detection conveying driving mechanism comprises a detection conveying driving device and a detection conveying device; the detection conveying drive is arranged on the detection conveying rack;

4. The PL detection machine for photovoltaic solar cells, according to claim 3, wherein: a concave groove is formed in the middle of the detection conveying rack, and the detection conveying belt is located on the periphery of the concave groove; the detection conveying rack is provided with an approach sensing device at the front end of the depressed groove, and the detection conveying rack is provided with a detection receiving device at the rear end of the depressed groove.

5. The PL detection machine for photovoltaic solar cells, according to claim 1, is characterized in that: the automatic material taking and placing device comprises a material taking and placing fixed rack, a material taking and placing conveying mechanism and a material taking and placing mechanism; the material taking and placing conveying mechanism comprises a material taking and placing conveying drive and a material taking and placing conveying assembly, and the material taking and placing conveying drive is arranged on the material taking and placing fixed rack; the material taking and placing conveying assembly comprises more than one group of material taking and placing transmission mechanisms; the material taking and discharging transmission mechanism comprises a material taking and discharging transmission driving wheel, a material taking and discharging transmission driven wheel set and a material taking and discharging belt; the material taking and discharging transmission driving wheel is driven by the material taking and discharging conveying driving wheel, and the material taking and discharging transmission driven wheel set is arranged on the material taking and discharging fixing rack; the material taking and placing mechanism comprises a material taking and placing rack, a material taking and placing drive and a material taking and placing guide wheel set; get the gliding establishment of blowing frame in the frame, get the material drive install get the blowing fixed frame on and drive get the blowing frame, get and be equipped with the direction wheelset on getting the material frame, get the material belt cover get the blowing transmission action wheel, get the material transmission driven wheelset and get on the material direction wheelset.

6. The PL detection machine for photovoltaic solar cells, according to claim 5, wherein: the material taking and placing frame comprises a material taking and placing support, a slider connecting piece connected to the lower end of the material taking and placing support and a material taking and placing plate arranged at the upper end of the material taking and placing support; the sliding block connecting piece is connected to the rack in a sliding mode, and the material taking and placing plate extends towards the conveying direction of the material taking and placing belt; the material taking and placing guide wheel set comprises a third driven wheel arranged on the material taking and placing support and a material taking and placing conveying wheel arranged on the material taking and placing plate.

7. The PL detection machine for photovoltaic solar cells, according to claim 5, wherein: the frame is provided with a cushion pad fixing block, and the cushion pad fixing block is provided with a cushion pad used for buffering the slide block connecting piece.

8. The PL detection machine for photovoltaic solar cells, according to claim 1, is characterized in that: the conveying device comprises a conveying rack and a conveying driving and conveying mechanism; the conveying rack is arranged on the rack; the transmission drive is arranged on the transmission rack and drives the transmission mechanism;

9. The PL detection machine for photovoltaic solar cells, according to claim 1, is characterized in that: the lifting device comprises a lifting frame, a lifting driving mechanism and a lifting seat; the price lifting frame is arranged on the machine frame, the lifting driving mechanism is arranged on the lifting frame, the lifting seat is arranged on the lifting frame in a sliding mode, and the lifting driving mechanism drives the lifting seat to move up and down.

10. The PL detection machine for photovoltaic solar cells, according to claim 1, is characterized in that: the transverse moving device comprises a transverse moving rack, a transverse moving drive and a sucking disc device; the transverse moving rack is arranged on the rack, the transverse moving drive is arranged on the transverse moving rack, the sucker device is arranged on the transverse moving rack in a sliding mode, and the transverse moving drive drives the sucker device to move.