CN220947110U - Rotary disc type photovoltaic cell screen printing equipment - Google Patents
Rotary disc type photovoltaic cell screen printing equipment Download PDFInfo
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- CN220947110U CN220947110U CN202322694766.1U CN202322694766U CN220947110U CN 220947110 U CN220947110 U CN 220947110U CN 202322694766 U CN202322694766 U CN 202322694766U CN 220947110 U CN220947110 U CN 220947110U
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- 238000007650 screen-printing Methods 0.000 title claims abstract description 81
- 238000007639 printing Methods 0.000 claims abstract description 105
- 238000007599 discharging Methods 0.000 claims abstract description 29
- 238000012423 maintenance Methods 0.000 claims abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 53
- 229910052710 silicon Inorganic materials 0.000 claims description 53
- 239000010703 silicon Substances 0.000 claims description 53
- 239000013078 crystal Substances 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 210000004027 cell Anatomy 0.000 description 26
- 235000012431 wafers Nutrition 0.000 description 18
- 210000002858 crystal cell Anatomy 0.000 description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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Abstract
The utility model discloses rotary disc type photovoltaic cell screen printing equipment which comprises a base, a working rotary disc, a feeding conveying device, a detecting device, a first screen printing head, a second screen printing head and a discharging conveying device. The base comprises a pair of support plates arranged in parallel and a base top plate fixed at the top of the pair of support plates; the working turntable is circular and is rotatably arranged in the center of the top surface of the top plate of the base, and five printing tables are uniformly distributed on the working turntable in the radial direction; the top surface of the base top plate is uniformly provided with feeding stations, a first printing station, a second printing station, a discharging station and a maintenance station along the periphery of the working turntable; the feeding conveying device and the detecting device are arranged on the top plate of the base correspondingly to the feeding station; the first screen printing head and the second screen printing head are arranged on the top plate of the base in one-to-one correspondence with the first printing station and the second printing station; the blanking conveying device and the discharging station are correspondingly arranged on the top plate of the base. The utility model realizes the high-precision, high-speed and high-stability silk screen of the photovoltaic cell.
Description
Technical Field
The utility model relates to a printing machine, in particular to a screen printing device for a turntable type photovoltaic cell.
Background
Screen printing (printing of conductive silver paste on a silicon wafer) is the most important step in the preparation of solar panels, directly determining the power generation efficiency of the solar panels. With the development of scientific technology, the power generated by the solar panel is continuously improved, and the requirements on the preparation equipment of the panel, especially the screen printing part, are also higher and higher.
The current commercial construction of screen printing devices for photovoltaic cells has the form of straight line interaction, track, etc., and the precision, speed and stability of these forms of screen printing devices sometimes cannot meet the printing requirements of silicon crystals of photovoltaic cells.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide rotary disc type screen printing equipment for photovoltaic cells, which realizes high-precision, high-speed and high-stability screen printing of silicon crystal cells.
The purpose of the utility model is realized in the following way: a rotary table type photovoltaic cell screen printing device comprises a base, a working rotary table, a feeding conveying device, a detecting device, a first screen printing head, a second screen printing head and a discharging conveying device; wherein,
The base comprises a pair of support plates arranged in parallel and a base top plate fixed at the top of the pair of support plates;
The working turntable is circular and is rotatably arranged in the center of the top surface of the base top plate, five rectangular turntable grooves are uniformly and radially formed in the outer peripheral surface of the working turntable, and a printing table is arranged in each turntable groove;
The top surface of the base top plate is uniformly provided with a feeding station, a first printing station, a second printing station, a discharging station and a maintenance station along the periphery of the working turntable;
The feeding conveying device and the detecting device are arranged on the base top plate corresponding to the feeding station; the first screen printing head and the second screen printing head are arranged on the base top plate in one-to-one correspondence with the first printing station and the second printing station; the blanking conveying device and the discharging station are correspondingly arranged on the base top plate;
The feeding conveying device conveys two silicon crystal battery pieces to a printing table on the working turntable at certain intervals, the detecting device is responsible for detecting the positions of the two silicon crystal battery pieces on the printing table of the feeding station, and the position deviation data of the two silicon crystal battery pieces on the printing table are conveyed to a controller of the printing equipment so as to be used for adjusting the first screen printing head and the second screen printing head; the working turntable rotates for 72 degrees so as to rotate a printing table for bearing two silicon crystal battery pieces to a first printing station, and then a first screen printing head prints a graph on one silicon crystal battery piece; the working turntable rotates for 72 degrees again so as to rotate the printing table for bearing two silicon crystal battery pieces to a second printing station, and a second screen printing head prints the graph on the other silicon crystal battery piece; the working turntable rotates for 72 degrees again so as to rotate the printing table for carrying the two silicon crystal battery pieces to the discharging station, and the discharging conveying device conveys the two silicon crystal battery pieces subjected to graphic printing out of the printing equipment.
The rotary disc type photovoltaic cell screen printing equipment is characterized in that the working rotary disc is a direct-drive motor rotary table arranged in the center of the top surface of the base top plate.
According to the screen printing equipment for the turntable type photovoltaic cell, each printing table comprises two paper reels which are connected between two side walls of the turntable groove in a one-to-one mode in a bridging mode, three paper passing rollers which are connected with the upper portion of the inner end of the groove, the upper portion of the outer end of the groove and the lower portion of the outer end of the groove in a one-to-one mode, two printing table motors which are connected with one ends of the two paper reels in a one-to-one mode in a rotating mode, and printing table paper tapes wrapping the two paper reels and the three paper passing rollers.
According to the rotary disc type photovoltaic cell screen printing equipment, the printing table paper tape is uniformly provided with the plurality of ventilation holes and the vacuum suction nozzle.
The rotary table type photovoltaic cell screen printing equipment comprises a feeding chassis, a conveyor belt driving motor, a conveyor device bracket, a driving wire belt rotating shaft, two pairs of driving wire belt wheels, driven wire belt pulleys and two pairs of conveying wire belts, wherein the feeding chassis is arranged on the top surface of a base top plate and driven by a DD direct driving motor, the conveyor belt driving motor is arranged on the feeding chassis, the conveyor device bracket is fixed on the feeding chassis and provided with two pairs of supporting rods, the driving wire belt rotating shaft is arranged at the inner ends of the two pairs of supporting rods and connected with the conveyor belt driving motor through a belt transmission mechanism, the driving wire belt wheels are arranged on the driving wire belt rotating shaft at intervals, the driven wire belt pulleys are respectively arranged at the outer ends of the two pairs of supporting rods in a one-to-one correspondence manner through tensioning sliding blocks, and the conveying wire belts are wound between the two pairs of driving wire belt wheels and the two pairs of driven wire belt pulleys in a one-to-one correspondence manner;
the structure of the blanking conveying device is the same as that of the feeding conveying device.
The rotary disc type photovoltaic cell screen printing equipment comprises a first bracket, a second bracket, two adjusting rods, a contour positioning camera and two opposite angle positioning cameras, wherein the first bracket is connected with the second bracket; the first bracket is door-shaped and is fixed on the top surface of the base top plate; the second bracket comprises a transverse baffle plate and a king-shaped horizontal frame, the transverse baffle plate is bridged between the middle inner end surfaces of the two vertical plates of the first bracket, the king-shaped horizontal frame is fixed on the middle inner end surfaces of the transverse baffle plate, and the three wing rods of the horizontal frame are respectively provided with a lateral sliding groove along the length direction; two adjusting rods are respectively and correspondingly arranged in lateral sliding grooves of three wing rods on two sides of a web member of a horizontal frame of the second bracket through three horizontal frame sliding blocks, and each of the two adjusting rods is provided with a longitudinal sliding groove along the length direction; the profile positioning camera is fixed in the center of the top surface of the web member of the horizontal frame; the two opposite angle positioning cameras are respectively hung in the longitudinal sliding grooves of the two adjusting rods in a one-to-one correspondence manner through the adjusting rod sliding blocks.
The rotary disc type photovoltaic cell screen printing equipment comprises a first screen printing head, a second screen printing head and a printing mechanism, wherein the first screen printing head comprises an up-down adjusting mechanism, a front-back adjusting mechanism, a left-right adjusting mechanism, an angle adjusting mechanism and a printing mechanism;
The upper and lower adjusting mechanism comprises four guide sleeves which are correspondingly inserted into four through holes formed in the top plate of the base, four screw rods which are correspondingly inserted into the four guide sleeves, four screw rod nuts which are correspondingly arranged on the four screw rods, four lifting rods which are correspondingly connected with the four screw rod nuts, and a first driving mechanism arranged below the top plate of the base, wherein the first driving mechanism comprises a mechanism bottom plate sleeved at the lower end of the four guide sleeves, a driving motor arranged in the middle of the mechanism bottom plate, a motor belt wheel arranged on a rotating shaft of the driving motor, four screw rod belt wheels correspondingly arranged at the lower end of the four screw rods, and a driving belt which is wound around the motor belt wheels and the four screw rod belt wheels;
The front-rear adjusting mechanism comprises a lower base plate arranged on the top surfaces of four lifting rods of the upper-lower adjusting mechanism, two front-rear guide rails arranged on the top surface of the lower base plate and a front-rear linear motor arranged on the top surface of the lower base plate and positioned between the two front-rear guide rails;
The left-right adjusting mechanism comprises a middle substrate, two left-right guide rails and a left-right linear motor, wherein the middle substrate is arranged on two front-rear guide rails of the front-rear adjusting mechanism and driven by the front-rear linear motor, the left-right guide rails are arranged on the top surface of the middle substrate, and the left-right linear motor is arranged on the top surface of the middle substrate and positioned between the two left-right guide rails;
The angle adjusting mechanism comprises an upper base plate, a base frame plate, four guide wheels, a silk screen plate frame and a second driving mechanism; the upper substrate is arranged on two left and right guide rails of the left and right adjusting mechanism and driven by a left and right linear motor; the base frame plate is rectangular and is connected with the front end of the upper base plate; the four guide wheels are correspondingly arranged at four corners of the top surface of the base frame plate one by one; the screen frame is arranged on the top surface of the base frame plate, and four corners of the screen frame are respectively provided with chamfer guide rails in one-to-one corresponding contact connection with four guide wheels on the base frame plate; the second driving mechanism comprises an angle adjusting guide rail which is arranged in the middle of the rear end of the base frame plate and is in the left-right direction, an angle adjusting linear motor which is arranged on the base frame plate, and a poking wheel which is arranged on the angle adjusting guide rail through a guide wheel bracket and is embedded in a circular arc-shaped groove formed in the rear end face of the middle of the screen frame and is driven by the angle adjusting linear motor;
the printing mechanism is arranged on a base frame plate of the angle regulator;
The second screen printing head has the same structure as the first screen printing head.
The rotary disc type photovoltaic cell screen printing equipment comprises a feeding conveying device, a discharging conveying device and a discharging conveying device, wherein the feeding conveying device is connected with the outer end of the feeding conveying device, and the discharging conveying device is connected with the outer end of the discharging conveying device; the structure of the discharging and conveying device is the same as that of the feeding and conveying device.
The screen printing equipment for the turntable type photovoltaic cell has the following characteristics: the five-station working turntable is adopted to carry, and the detection device and the two adjustable screen printing heads are matched, so that breakthrough is made in precision and stability, the screen printing quality of the silicon crystal battery piece can be effectively improved, and the production efficiency can be improved.
Drawings
Fig. 1 is a perspective view of a rotary disc type photovoltaic cell screen printing apparatus of the present utility model;
fig. 2 is a perspective view (top view) of a working turntable in the screen printing apparatus of the present utility model;
FIG. 2a is a perspective view (bottom view) of a working carousel in a printing device of the present utility model;
FIG. 2b is a bottom view of the working turntable in the printing apparatus of the present utility model;
FIG. 2c is an A-A view of FIG. 2 b;
FIG. 3 is a perspective view of a loading conveyor in the printing apparatus of the present utility model;
FIG. 4 is a perspective view of a detection device in the printing apparatus of the present utility model;
Fig. 5 is a perspective view (top view) of a first screen printing head in the printing apparatus of the utility model;
Fig. 6 is a perspective view (bottom view) of a first screen printing head in the printing apparatus of the utility model;
Fig. 7 is a schematic structural view of the up-down adjusting mechanism in the first screen printing head of the utility model;
Fig. 8 is a schematic structural view of the front-rear adjustment mechanism in the first screen printing head of the utility model;
Fig. 9 is a schematic structural view of a left-right adjusting mechanism in the first screen printing head of the utility model;
Fig. 10 to 16 are flowcharts of the operation of the screen printing device for rotary-disc photovoltaic cells of this utility model.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 9, the screen printing apparatus for a turntable type photovoltaic cell of the present utility model includes a base 1, a working turntable 2, a feeding and conveying device 8, a feeding and conveying device 3, a detecting device 4, a first screen printing head 5, a second screen printing head 6, a discharging and conveying device 7 and a discharging and conveying device 9.
The base 1 includes a pair of support plates 1A arranged in parallel and a base top plate 1B fixed on top of the pair of support plates 1A.
The working turntable 2 is round and is rotatably arranged in the center of the top surface of the base top plate 1B, and the working turntable 2 is a rotary workbench driven by a DD direct drive motor; five turntable grooves which are all rectangular are uniformly distributed on the outer peripheral surface of the working turntable 2 in the radial direction, and a printing table 20 is arranged in each turntable groove;
each printing station 20 comprises a pair of printing station support plates 21, two paper reels 22, three paper feed rollers 24 and a printing station paper tape 25; wherein, a pair of printing table support plates 21 are fixed on two side walls of the turntable groove in a one-to-one correspondence manner; two paper reels 22 are connected between a pair of printing table support plates 21 in a bridging manner from inside to outside, and one end of each paper reel 22 is respectively connected with a printing table motor 23; three paper passing rollers 24 are bridged over the upper parts of the inner ends, the upper parts of the outer ends and the lower parts of the outer ends of the pair of printing table support plates 21 in a one-to-one correspondence manner; the printing table paper tape 25 is wrapped on the two paper reels 22 and the three paper passing rollers 24, the two paper reels 22 are driven in one-to-one correspondence through the two printing table motors 23, the printing table paper tape 25 is further moved, and the two ends of the two paper reels 22 are respectively provided with a manual thumb wheel 26, so that the printing table paper tape 25 is convenient to debug and pretension. The printing table paper tape 25 is uniformly provided with a plurality of ventilation holes and vacuum suction nozzles 27.
The top surface of the base top plate 1B is uniformly provided with a feeding station, a first printing station, a second printing station, a discharging station and a maintenance station along the periphery of the working turntable 2.
The feeding conveying device 3 and the detecting device 4 are arranged on the base top plate 1B corresponding to the feeding station; the first screen printing head 5 and the second screen printing head 6 are arranged on the base top plate 1B in one-to-one correspondence with the first printing station and the second printing station; the blanking conveying device 7 is installed on the base top plate 1B corresponding to the discharging station.
The feeding conveyor 3 includes a rotary feeding chassis 30 fixed on the top surface of the base top plate 1B and driven by a DD direct drive motor, a conveyor driving motor 31 mounted on the feeding chassis 30, a conveyor bracket 35 fixed on the feeding chassis 30 and having two pairs of struts 350, a driving wire belt rotating shaft 33 mounted on the inner ends of the two pairs of struts 350 and connected to the conveyor driving motor 31 through a belt transmission mechanism 32, two pairs of driving wire belt wheels 34 mounted on the driving wire belt rotating shaft 33 at intervals, two pairs of driven wire belt wheels 37 each mounted on the outer ends of the two pairs of struts 350 in one-to-one correspondence through tensioning sliders 36, and two pairs of conveying wire belts 38 wrapped between the two pairs of driving wire belt wheels 34 and the two pairs of driven wire belt wheels 37 in one-to-one correspondence. The conveyor belt driving motor 31 drives the driving wire belt rotating shaft 33 to rotate through the belt transmission mechanism 32, and the driving wire belt wheel 34 is fixed on the driving wire belt rotating shaft 33 so as to drive the conveyor belt 38 to move, so that the silicon crystal cell 10 on the conveyor belt 3 is transmitted; the tensioning sliding block 36 at the outer end of the supporting rod 350 can adjust the tensioning force of the conveying line belt 38, and the feeding conveying device 3 is driven by the DD direct-drive motor and can integrally rotate.
The structure of the blanking conveying device 7 is the same as that of the feeding conveying device 3.
The detecting device 4 comprises a first bracket 41, a second bracket, two adjusting rods 43, a contour positioning camera 44 and two opposite angle positioning cameras 45; wherein, the first bracket 41 is door-shaped and fixed on the top surface of the base top plate 1B; the second bracket comprises a transverse baffle 420 connected between the middle inner end surfaces of the two vertical plates of the first bracket 41 in a bridging way and a king-shaped horizontal frame 422 fixed on the middle inner end surface of the transverse baffle 421, and the three wing rods of the horizontal frame 422 are respectively provided with a lateral chute 420 along the length direction; the two bottom surfaces of the two adjusting rods 43 and the bottom surface of the middle part are respectively connected with a horizontal frame sliding block, so that the two adjusting rods 43 are respectively arranged in the lateral sliding grooves 420 of the three wing rods on the two sides of the web member of the horizontal frame 422 in a one-to-one correspondence manner through the three horizontal frame sliding blocks, and the two adjusting rods 43 are respectively provided with a longitudinal sliding groove 430 along the length direction; the contour positioning camera 44 is fixed at the center of the top surface of the web member of the horizontal frame 422 of the second bracket 42; the corner positioning cameras 45 are mounted on the camera base 450, and the camera base 450 is connected with an inverted L-shaped adjusting rod sliding block 46, so that the two opposite corner positioning cameras 45 are respectively hung in the longitudinal sliding grooves 430 of the two adjusting rods 43 in a one-to-one correspondence manner through the adjusting rod sliding block 46. The two opposite angle positioning cameras 45 adjust the lateral distance in the lateral sliding grooves 420 on the horizontal frame 422 through the three horizontal frame sliding blocks on the two adjusting rods 43, and fix the three horizontal frame sliding blocks on the two adjusting rods 43 after adjusting in place; the two opposite-side angle positioning cameras 45 respectively adjust the longitudinal distance in the longitudinal sliding grooves 430 on the two adjusting rods 43 through the adjusting rod sliding blocks 46, and after the adjustment is in place, the adjusting rod sliding blocks 46 of the two opposite-side angle positioning cameras 45 are fixed.
The first screen printing head 5 includes an up-down adjusting mechanism 51, a front-rear adjusting mechanism 52, a left-right adjusting mechanism 53, an angle adjusting mechanism, and a printing mechanism 50; wherein,
The up-down adjusting mechanism 51 includes four guide sleeves 510 inserted in four through holes formed in the base top plate 1B in a one-to-one correspondence, four screw rods 512 inserted in the four guide sleeves 510 in a one-to-one correspondence, four screw rod nuts 512 mounted on the four screw rods 511 in a one-to-one correspondence, four lifting rods 513 connected to the four screw rod nuts 512 in a one-to-one correspondence, and a first driving mechanism mounted below the base top plate 1B, the first driving mechanism including a mechanism bottom plate 514 sleeved on the lower ends of the four guide sleeves 510, a driving motor 515 mounted in the middle of the mechanism bottom plate 514, a motor pulley 516 mounted on a rotating shaft of the driving motor 515, four screw rod pulleys 517 mounted in the lower ends of the four screw rods 512 in a one-to-one correspondence, and a transmission belt 518 wound around the motor pulley 516 and the four screw rod pulleys 517; the motor belt wheel 51 is rotated by the driving motor 515, the four belt wheels 517 are driven to rotate by the driving belt 518, the four bars are rotated, and finally the four lifting bars 513 are driven to lift;
The front-rear adjusting mechanism 52 includes a lower base plate 521 mounted on the top surfaces of the four elevating rods 513 of the upper-lower adjusting mechanism, two front-rear guide rails 522 mounted on the top surface of the lower base plate 521, and a front-rear linear motor 523 mounted on the top surface of the lower base plate 521 between the two front-rear guide rails 522;
The left-right adjusting mechanism 53 includes a middle base plate 531 mounted on the two front-rear guide rails 522 of the front-rear adjusting mechanism 51 and driven by the front-rear linear motor 523, two left-right guide rails 532 mounted on the top surface of the middle base plate 531, and a left-right linear motor 533 mounted on the top surface of the middle base plate 531 and located between the two left-right guide rails 532;
The angle adjusting mechanism comprises an upper base plate 541, a base frame plate 542, four guide wheels 543, a screen frame 545 and a second driving mechanism; wherein,
The upper substrate 541 is mounted on the two left and right guide rails 532 of the left and right adjusting mechanism 52 and driven by the left and right linear motor 533; the base frame plate 542 is rectangular and connected to the front end of the upper substrate 541; four guide wheels 543 are arranged at four corners of the top surface of the base frame plate 542 in a one-to-one correspondence manner; a screen frame 545 is mounted on the top surface of the base frame plate 542, and four corners of the screen frame 545 are respectively provided with a chamfer guide rail 544 in contact connection with four guide wheels 543 on the base frame plate 542 in a one-to-one correspondence; the second driving mechanism comprises an angle adjusting guide rail 546 which is arranged in the middle of the rear end of the base frame plate 542 and is in the left-right direction, an angle adjusting linear motor 547 which is arranged on the base frame plate 542, and a deflector wheel 548 which is arranged on the angle adjusting guide rail 546 through a guide wheel bracket and is embedded in a circular arc-shaped groove formed in the rear end face of the middle of the screen frame 545 and is driven by the angle adjusting linear motor 547; the installation thumb wheel 548 is driven by the angle adjustment linear motor 547 to move left and right along the angle adjustment guide rail 546 to drive the rear end of the screen frame 545 to move left and right, and the screen frame 545 can only rotate at a small angle because the chamfer guide rails 544 at the four corners of the screen frame 545 are limited by the corresponding guide wheels 543, so that the angle adjustment of the screen frame 545 is realized.
The printing mechanism 50 is mounted on a base plate 542 of the angle adjuster, and the printing mechanism 50 includes a doctor blade.
The first screen printing head 5 is used for screen printing silver paste on one silicon wafer 10, which can be adjusted in front, back, left, right, up, down and angle. Before printing, the position deviation data of the silicon wafer battery pieces 10 acquired by the detection device 4 are quickly adjusted to be flush with the position of one silicon wafer battery piece 10 on the printing table 20, and then printing is performed.
The second screen printing head 6 has the same structure as the first screen printing head 5, and the second screen printing head 6 is printed flush with the position of the other silicon wafer cell 10 on the printing table 20.
The feed conveyor 8 includes an input conveyor belt driving motor 81 mounted on the base top plate 1B, an inner bracket 82 fixed on the base top plate 1B, an input driving wire belt rotating shaft 84 mounted on an inner end of the inner bracket 82 and connected to the input conveyor belt driving motor 81 through a belt transmission mechanism 83, two pairs of input driving wire belt wheels 85 mounted on the input driving wire belt rotating shaft 84 at intervals, an outer bracket (not shown) fixed on an external field, two pairs of input driven wire belt wheels 87 each mounted on the outer bracket through tensioning sliders 86, and two pairs of input wire belts 88 wrapped between the two pairs of input driving wire belt wheels 85 and the two pairs of input driven wire belt wheels 87 in one-to-one correspondence.
The structure of the discharge conveyor 9 is the same as that of the feed conveyor 8.
Referring again to fig. 10 to 16, the rotary disc type photovoltaic cell screen printing apparatus of the present utility model operates as follows:
1. The feeding and conveying device 8 conveys two silicon crystal battery pieces 10 to the feeding and conveying device 3 at certain intervals (each beat) (see fig. 10);
2. At each beat, the feeding and conveying device 3 rotates to a position aligned with one printing table 20 on the working turntable 2, two silicon crystal battery pieces 10 are conveyed onto the printing table 20, and then the feeding and conveying device 3 rotates back to a position aligned with the feeding and conveying device (see fig. 11);
3. After receiving the two silicon crystal battery pieces 10, the printing table 20 on the working turntable 2 starts vacuum negative pressure to absorb the two silicon crystal battery pieces 20 so as to prevent the two silicon crystal battery pieces 20 from shifting when the working turntable 2 rotates;
4. The contour positioning camera 44 and the two opposite angle positioning cameras 45 which are positioned in the detection device 4 of the feeding station shoot two silicon crystal cell pieces 10 which are conveyed to the printing table 20, and the deviation data of the two silicon crystal cell pieces 10 on the printing table 20 are conveyed to a controller of the printing equipment (see figure 12);
5. The working turntable 2 rotates by 72 degrees to rotate the printing table 20 for receiving two silicon wafers 10 to a first printing station, and the controller of the printing equipment adjusts the first screen printing head 5 to a position flush with one silicon wafer cell 10 positioned on the right side of the printing table 20 according to deviation data of the two silicon wafer cell 10 obtained by the detection device 4, and then prints a graph on the silicon wafer cell 10 (see fig. 13); then the working turntable 2 rotates for 72 degrees again, so that the printing table 20 for receiving two silicon wafers 10 is rotated to a second printing station, and the controller of the printing equipment adjusts the second screen printing head 6 to a position flush with one silicon wafer cell 10 positioned on the left side of the printing table 20 according to the deviation data of the two silicon wafer cells 10 obtained by the detection device 4, and then prints a graph on the silicon wafer cell 10 (see fig. 14);
6. The working turntable 2 rotates for 72 degrees again so as to transfer the printing table 20 for carrying the two silicon crystal battery pieces 10 to a discharging station; at each beat, the blanking conveying device 7 rotates to a position aligned with the printing table 20 at the discharging station (see fig. 15), so that two printed silicon crystal cells 10 on the printing table 20 are conveyed to the discharging angle conveying device 7, the blanking conveying device 7 rotates back to a position aligned with the discharging conveying device 9 (see fig. 16), the two silicon crystal cells 10 on the blanking conveying device 7 are conveyed to the discharging conveying device 9, and finally the silicon crystal cells 10 are conveyed to the outside of the field by the discharging conveying device 9.
The screen printing equipment for the turntable type photovoltaic cell has the following characteristics: can be used for printing two silicon crystal cell pieces 10 (the sizes are 210mm multiplied by 105mm,182mm multiplied by 105mm and 182mm multiplied by 91 mm) and printing a whole silicon crystal cell piece 10 (the sizes are 210mm multiplied by 210mm, 182mm multiplied by 210mm and 182mm multiplied by 182 mm). When printing a whole silicon wafer battery piece 10, the first screen printing head 5 prints the right half of the figure of the whole silicon wafer battery piece 10, the second screen printing head 6 prints the left half of the figure of the whole silicon wafer battery piece 10, or the first screen printing head 5 prints the whole figure of the whole silicon wafer battery piece 10, and at this time, the plane geometric dimensions of the base frame plate 542, the screen frame 545 and the printing mechanism 50 on the first screen printing head 5 are all adjusted to be matched with the plane geometric dimensions of the whole silicon wafer battery piece 10.
The above embodiments are provided for illustrating the present utility model and not for limiting the present utility model, and various changes and modifications may be made by one skilled in the relevant art without departing from the spirit and scope of the present utility model, and thus all equivalent technical solutions should be defined by the claims.
Claims (8)
1. A rotary disc type photovoltaic cell screen printing device comprises a base and is characterized in that,
The equipment also comprises a working turntable, a feeding conveying device, a detection device, a first screen printing head, a second screen printing head and a discharging conveying device;
the base comprises a pair of support plates arranged in parallel and a base top plate fixed at the top of the pair of support plates;
The working turntable is circular and is rotatably arranged in the center of the top surface of the base top plate, five rectangular turntable grooves are uniformly and radially formed in the outer peripheral surface of the working turntable, and a printing table is arranged in each turntable groove;
The top surface of the base top plate is uniformly provided with a feeding station, a first printing station, a second printing station, a discharging station and a maintenance station along the periphery of the working turntable;
The feeding conveying device and the detecting device are arranged on the base top plate corresponding to the feeding station; the first screen printing head and the second screen printing head are arranged on the base top plate in one-to-one correspondence with the first printing station and the second printing station; the blanking conveying device and the discharging station are correspondingly arranged on the base top plate;
The feeding conveying device conveys two silicon crystal battery pieces to a printing table on the working turntable at certain intervals, the detecting device is responsible for detecting the positions of the two silicon crystal battery pieces on the printing table of the feeding station, and the position deviation data of the two silicon crystal battery pieces on the printing table are conveyed to a controller of the printing equipment so as to be used for adjusting the first screen printing head and the second screen printing head; the working turntable rotates for 72 degrees so as to rotate a printing table for bearing two silicon crystal battery pieces to a first printing station, and then a first screen printing head prints a graph on one silicon crystal battery piece; the working turntable rotates for 72 degrees again so as to rotate the printing table for bearing two silicon crystal battery pieces to a second printing station, and a second screen printing head prints the graph on the other silicon crystal battery piece; the working turntable rotates for 72 degrees again so as to rotate the printing table for carrying the two silicon crystal battery pieces to the discharging station, and the discharging conveying device conveys the two silicon crystal battery pieces subjected to graphic printing out of the printing equipment.
2. The rotary table type photovoltaic cell screen printing apparatus according to claim 1, wherein the working rotary table is a direct-drive motor rotary table mounted at the center of the top surface of the base top plate.
3. The apparatus of claim 1, wherein each printing station comprises two paper reels connected one by one between two side walls of the turntable groove, three paper passing rollers connected one by one to the upper part of the inner end, the upper part of the outer end and the lower part of the outer end of the groove, two printing station motors connected one by one to one ends of the two paper reels in rotation, and printing station paper tapes wound on the two paper reels and the three paper passing rollers.
4. A rotary disc type photovoltaic cell screen printing device according to claim 3, wherein the printing table paper tape is uniformly provided with a plurality of ventilation holes and is provided with a vacuum suction nozzle.
5. The screen printing apparatus of a rotary table type photovoltaic cell according to claim 1, wherein the feeding conveyor comprises a feeding chassis mounted on the top surface of the base top plate and driven by a DD direct drive motor, a conveyor belt drive motor mounted on the feeding chassis, a conveyor support fixed on the feeding chassis and having two pairs of struts, a driving wire belt rotating shaft mounted on the inner ends of the two pairs of struts and connected to the conveyor drive motor through a belt transmission mechanism, two pairs of driving wire belt wheels mounted on the driving wire belt rotating shaft at intervals, two pairs of driven wire belt wheels mounted on the outer ends of the two pairs of struts respectively through tensioning sliders in one-to-one correspondence, and two pairs of conveyor wire belts wrapped between the two pairs of driving wire belt wheels and the two pairs of driven wire belt wheels in one-to-one correspondence;
the structure of the blanking conveying device is the same as that of the feeding conveying device.
6. The apparatus of claim 1, wherein the detection device comprises a first bracket, a second bracket, two adjustment rods, a contour positioning camera, and two pairs of angular positioning cameras; the first bracket is door-shaped and is fixed on the top surface of the base top plate; the second bracket comprises a transverse baffle plate and a king-shaped horizontal frame, the transverse baffle plate is bridged between the middle inner end surfaces of the two vertical plates of the first bracket, the king-shaped horizontal frame is fixed on the middle inner end surfaces of the transverse baffle plate, and the three wing rods of the horizontal frame are respectively provided with a lateral sliding groove along the length direction; two adjusting rods are respectively and correspondingly arranged in lateral sliding grooves of three wing rods on two sides of a web member of a horizontal frame of the second bracket through three horizontal frame sliding blocks, and each of the two adjusting rods is provided with a longitudinal sliding groove along the length direction; the profile positioning camera is fixed in the center of the top surface of the web member of the horizontal frame; the two opposite angle positioning cameras are respectively hung in the longitudinal sliding grooves of the two adjusting rods in a one-to-one correspondence manner through the adjusting rod sliding blocks.
7. The apparatus of claim 1, wherein the first screen printing head comprises an up-down adjustment mechanism, a front-back adjustment mechanism, a left-right adjustment mechanism, an angle adjustment mechanism, and a printing mechanism;
The upper and lower adjusting mechanism comprises four guide sleeves which are correspondingly inserted into four through holes formed in the top plate of the base, four screw rods which are correspondingly inserted into the four guide sleeves, four screw rod nuts which are correspondingly arranged on the four screw rods, four lifting rods which are correspondingly connected with the four screw rod nuts, and a first driving mechanism arranged below the top plate of the base, wherein the first driving mechanism comprises a mechanism bottom plate sleeved at the lower end of the four guide sleeves, a driving motor arranged in the middle of the mechanism bottom plate, a motor belt wheel arranged on a rotating shaft of the driving motor, four screw rod belt wheels correspondingly arranged at the lower end of the four screw rods, and a driving belt which is wound around the motor belt wheels and the four screw rod belt wheels;
The front-rear adjusting mechanism comprises a lower base plate arranged on the top surfaces of four lifting rods of the upper-lower adjusting mechanism, two front-rear guide rails arranged on the top surface of the lower base plate and a front-rear linear motor arranged on the top surface of the lower base plate and positioned between the two front-rear guide rails;
The left-right adjusting mechanism comprises a middle substrate, two left-right guide rails and a left-right linear motor, wherein the middle substrate is arranged on two front-rear guide rails of the front-rear adjusting mechanism and driven by the front-rear linear motor, the left-right guide rails are arranged on the top surface of the middle substrate, and the left-right linear motor is arranged on the top surface of the middle substrate and positioned between the two left-right guide rails;
The angle adjusting mechanism comprises an upper base plate, a base frame plate, four guide wheels, a silk screen plate frame and a second driving mechanism; the upper substrate is arranged on two left and right guide rails of the left and right adjusting mechanism and driven by a left and right linear motor; the base frame plate is rectangular and is connected with the front end of the upper base plate; the four guide wheels are correspondingly arranged at four corners of the top surface of the base frame plate one by one; the screen frame is arranged on the top surface of the base frame plate, and four corners of the screen frame are respectively provided with chamfer guide rails in one-to-one corresponding contact connection with four guide wheels on the base frame plate; the second driving mechanism comprises an angle adjusting guide rail which is arranged in the middle of the rear end of the base frame plate and is in the left-right direction, an angle adjusting linear motor which is arranged on the base frame plate, and a poking wheel which is arranged on the angle adjusting guide rail through a guide wheel bracket and is embedded in a circular arc-shaped groove formed in the rear end face of the middle of the screen frame and is driven by the angle adjusting linear motor;
the printing mechanism is arranged on a base frame plate of the angle regulator;
The second screen printing head has the same structure as the first screen printing head.
8. The rotary disc type photovoltaic cell screen printing apparatus according to any one of claims 1 to 7, characterized in that the printing apparatus further comprises a feed conveyor connected to the outer end of the feed conveyor and a discharge conveyor connected to the outer end of the discharge conveyor; the structure of the discharging and conveying device is the same as that of the feeding and conveying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322694766.1U CN220947110U (en) | 2023-10-08 | 2023-10-08 | Rotary disc type photovoltaic cell screen printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322694766.1U CN220947110U (en) | 2023-10-08 | 2023-10-08 | Rotary disc type photovoltaic cell screen printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220947110U true CN220947110U (en) | 2024-05-14 |
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ID=90979808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322694766.1U Active CN220947110U (en) | 2023-10-08 | 2023-10-08 | Rotary disc type photovoltaic cell screen printing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220947110U (en) |
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2023
- 2023-10-08 CN CN202322694766.1U patent/CN220947110U/en active Active
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