CN106611729B - Automatic sheet turning device and method for sheet and solar cell production line - Google Patents

Automatic sheet turning device and method for sheet and solar cell production line Download PDF

Info

Publication number
CN106611729B
CN106611729B CN201611199525.8A CN201611199525A CN106611729B CN 106611729 B CN106611729 B CN 106611729B CN 201611199525 A CN201611199525 A CN 201611199525A CN 106611729 B CN106611729 B CN 106611729B
Authority
CN
China
Prior art keywords
sheet
positioning
picking
tray
turning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201611199525.8A
Other languages
Chinese (zh)
Other versions
CN106611729A (en
Inventor
林健
李建
苗为民
张文东
郭铁
孟原
于岩
刘桂东
黄云岭
田晓敏
张武科
王芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ENN Solar Energy Co Ltd
Original Assignee
ENN Solar Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ENN Solar Energy Co Ltd filed Critical ENN Solar Energy Co Ltd
Priority to CN201611199525.8A priority Critical patent/CN106611729B/en
Publication of CN106611729A publication Critical patent/CN106611729A/en
Application granted granted Critical
Publication of CN106611729B publication Critical patent/CN106611729B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/683Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
    • H01L21/6838Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping with gripping and holding devices using a vacuum; Bernoulli devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005Apparatus not specifically provided for elsewhere
    • H01L21/67011Apparatus for manufacture or treatment
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/1804Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic Table
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/547Monocrystalline silicon PV cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

The invention relates to the technical field of solar cells, in particular to an automatic sheet turning device and method for a sheet and a solar cell production line. The automatic sheet turning device comprises a rack assembly, a sheet picking mechanism, a sheet turning mechanism and a control mechanism; the sheet material picking mechanism is used for picking up a sheet material and conveying the picked sheet material to a preset position, and the sheet material picking mechanism comprises at least one non-contact type suction cup used for non-contact type sheet material picking; the sheet turning mechanism is used for turning the sheet conveyed to the predetermined position by 180 DEG by the sheet pickup mechanism; the control mechanism is in signal connection with the sheet picking mechanism and the sheet turning mechanism and is used for controlling the sheet picking mechanism and the sheet turning mechanism to act so as to realize automatic turning of the sheet. The automatic sheet turning device can reduce the contact with the sheet, further reduce the probability of sheet pollution and has small influence on the photoelectric conversion efficiency of the solar cell.

Description

Automatic sheet turning device and method for sheet and solar cell production line
Technical Field
The invention relates to the technical field of solar cells, in particular to an automatic sheet turning device and method for a sheet and a solar cell production line.
Background
With the rapid development of science and technology, people's consciousness of energy conservation and environmental protection is continuously improved, a heat tide is formed by replacing non-renewable energy sources with green energy sources, solar energy is unprecedentedly and rapidly developed as inexhaustible renewable energy sources, and the development and development of solar cells are increasingly paid attention to.
The conventional silicon heterojunction solar cell preparation process includes steps of cleaning, texturing, Plasma Enhanced Chemical Vapor Deposition (PECVD), Physical Vapor Deposition (PVD), screen printing, annealing, and the like, wherein in the PECVD coating process, coating treatment needs to be performed on the front and back surfaces of the sheet material arranged in an array on the tray, and therefore, the sheet material needs to be turned over manually or by a sheet turning device in the coating process.
However, the conventional sheet turning device for the sheet needs to pick up the sheet in the turning process, and in the picking process, the sheet turning device can contact the surface of the sheet, so that impurities on the sheet turning device can be attached to the surface of the sheet, thereby polluting the sheet and reducing the photoelectric conversion efficiency of the solar cell.
Disclosure of Invention
The invention provides an automatic sheet turning device and method for a sheet and a solar cell production line.
In order to achieve the purpose, the invention provides the following technical scheme:
an automatic sheet turning device for sheets comprises a rack assembly, a control mechanism, a sheet picking mechanism and a sheet turning mechanism, wherein the sheet picking mechanism and the sheet turning mechanism are mounted on the rack assembly;
the sheet material picking mechanism is used for picking up a sheet material and conveying the picked sheet material to a preset position, and the sheet material picking mechanism comprises at least one non-contact type suction cup used for non-contact type sheet material picking;
the sheet turning mechanism is used for turning the sheet conveyed to the predetermined position by 180 DEG by the sheet pickup mechanism;
the control mechanism is in signal connection with the sheet picking mechanism and the sheet turning mechanism and is used for controlling the sheet picking mechanism and the sheet turning mechanism to act so as to turn over the sheet.
The automatic sheet turning device can be arranged in a material conveying system of a solar cell production line in the using process, sheets such as silicon wafers are distributed in a tray of the material conveying system in an array mode, the automatic sheet turning device picks the sheets located in the tray of the material conveying system through a sheet picking mechanism and conveys the picked sheets to a preset position, the sheet turning mechanism conveys the sheet picking mechanism to the preset position to turn 180 degrees, after turning processing is completed, the sheet picking mechanism picks the turned sheets, and conveys the sheets back to the tray to complete turning of the sheets once.
The automatic sheet turning device controls the sheet picking mechanism and the sheet turning mechanism to act through the control mechanism, so that the turning action of the sheet can be realized, and in the turning process of the sheet, the sheet picking mechanism picks the sheet through the non-contact type sucker, so that the sheet reduces the contact chance between the sheet and the non-contact type sucker in the turning process, the impurities on the non-contact type sucker can be reduced, the surface of the sheet is stained with, and the probability of polluting the sheet is reduced.
Therefore, the automatic sheet turning device can reduce the contact with the sheet, further reduce the probability of sheet pollution and have small influence on the photoelectric conversion efficiency of the solar cell.
Preferably, each of the at least one non-contact suction cups is a bernoulli suction cup.
Because each non-contact type sucker is a Bernoulli sucker, according to the Bernoulli principle, the flow velocity is increased and the pressure intensity is reduced, when the compressed air is blown out from the non-contact type sucking disc and blown to the sheet, the compressed air is blown out from the air outlet hole of the non-contact type sucking disc and then rapidly diffused along the radial direction of the non-contact type sucking disc, at this time, the air flow speed of the upper part of the sheet is far higher than that of the lower part of the sheet, therefore, the air pressure of the upper part of the sheet is less than that of the lower part of the sheet, the sheet can be sucked up by the non-contact type sucking disc under the action of the atmospheric pressure, because the non-contact type sucker always blows compressed air, an air gap is formed between the sheet and the non-contact type sucker, non-contact type pickup is formed between the sheet and the non-contact type sucker, the contact chance of the sheet and the non-contact type sucker is reduced, impurities on the non-contact type sucker can be reduced and are attached to the surface of the sheet, and the probability of sheet pollution is reduced.
Preferably, the sheet turning mechanism further comprises a sheet positioning mechanism, wherein the sheet positioning mechanism is used for positioning the sheets turned by 180 degrees by the sheet turning mechanism so that the position of each sheet before and after turning is unchanged;
the sheet positioning mechanism comprises a first driving assembly and a positioning assembly which are in transmission connection, and the first driving assembly is used for driving the positioning assembly to act so as to position the sheet.
Because above-mentioned automatic turn-over piece device still includes sheet positioning mechanism, after sheet tilting mechanism overturns the sheet 180, can fix a position the sheet after the upset, make the sheet resume to the position by the release of sheet pickup mechanism, consequently, make sheet pickup mechanism can pick up the sheet after the upset in its position of releasing the sheet, therefore can pick up the sheet after the upset more fast, be favorable to improving the pick-up efficiency of sheet, and then improve the turn-over efficiency of sheet.
Preferably, the sheet material picking mechanism further comprises a guide rail mounted on the top of the frame assembly, and a picking bracket mounted on the guide rail and capable of reciprocating along the extension direction of the guide rail, wherein the extension direction of the guide rail is perpendicular to the conveying path of the material conveying system; each non-contact sucker is mounted on the picking bracket.
Preferably, the sheet material picking mechanism further comprises a positioning sensor mounted on the picking bracket and in signal connection with the control mechanism, and the positioning sensor is used for detecting the position of the sheet material.
Preferably, the picking bracket comprises a lifting assembly mounted on the guide rail and a sucker bracket mounted on the top of the lifting assembly, and the lifting assembly can perform reciprocating linear motion in a plane which is perpendicular to the conveying path of the material conveying system and the extending direction of the guide rail; each non-contact type sucking disc is arranged on one side surface, facing the sheet, of the sucking disc support.
Preferably, the lifting assembly is an electric cylinder assembly, a hydraulic cylinder assembly or a pneumatic cylinder assembly.
Preferably, the sheet turning mechanism comprises a second driving assembly, a turning arm in transmission connection with the second driving assembly, and a vacuum chuck arranged on the turning arm; the second driving assembly is used for driving the overturning arm to rotate around the axis of the overturning arm.
Preferably, the second driving assembly is a servo motor.
Preferably, the sheet turnover mechanism further comprises a vacuum detection assembly in signal connection with the control mechanism, and the vacuum detection assembly is used for detecting the vacuum degree of the vacuum chuck.
Preferably, still include tray lift positioning mechanism, tray lift positioning mechanism is used for going up and down and the location to the tray that material conveying system carried, tray lift positioning mechanism includes tray lift subassembly and tray positioning mechanism.
Preferably, the tray lifting assembly comprises a tray lifting driving assembly and a tray support arranged at the top of the tray lifting driving assembly, and rolling pieces which are distributed in a triangular shape and can roll freely are arranged on the surface of the top of the tray support.
Preferably, the rolling members are universal wheels.
Preferably, the tray positioning mechanism comprises a tray driving assembly which is installed on the tray support and can drive the tray to move in the horizontal plane.
Preferably, the control mechanism is a Programmable Logic Controller (PLC).
The invention also provides a solar cell production line which comprises any one of the automatic sheet turning devices provided by the technical scheme.
In addition, the invention also provides an automatic sheet turning method of any automatic sheet turning device provided by the technical scheme, and the automatic sheet turning method comprises the following steps:
picking up a sheet and conveying the picked-up sheet to a predetermined position;
turning the sheet conveyed to the predetermined position by 180 °;
picking up the sheet turned 180 ° and conveying the turned sheet to the tray.
Preferably, after the reversing the sheet conveyed to the predetermined position by 180 ° and before the picking up the sheet reversed by 180 ° and conveying the reversed sheet to a tray, further comprising:
and positioning the sheet after being turned by 180 degrees.
Preferably, before the picking up the sheet and transporting the picked-up sheet to a predetermined position, further comprising:
a tray for conveying the sheet is positioned.
The automatic sheet turning device and the automatic sheet turning method can realize automatic turning of the sheet, and the automatic sheet turning device can reduce contact with the sheet due to non-contact type pickup of the sheet by adopting the non-contact type sucker, so that the probability of pollution to the sheet is reduced, and the influence on the photoelectric conversion efficiency of the solar cell is small.
Drawings
Fig. 1 is a schematic structural diagram of an automatic sheet turning device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a non-contact type suction cup provided in the automatic sheet turnover device of FIG. 1;
FIG. 3 is a schematic structural diagram of a sheet positioning mechanism of the automatic sheet turnover device in FIG. 1;
FIG. 4 is a schematic view of the A-direction structure of the sheet positioning mechanism of FIG. 3;
FIG. 5 is a schematic structural diagram of a sheet turnover mechanism of the automatic sheet turnover device in FIG. 1;
fig. 6 is a process flow chart of an automatic sheet turning method according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides an automatic sheet turning device and method for a sheet and a solar cell production line, wherein the solar cell production line comprises the automatic sheet turning device; the automatic sheet turning device can reduce the contact with the sheet due to the fact that the non-contact type sucking disc is adopted to pick up the sheet in a non-contact mode, the probability of pollution to the sheet is further reduced, and the influence on the photoelectric conversion efficiency of the solar cell is small.
The sheet material mentioned in the embodiments of the present invention may be a sheet material such as a silicon wafer, a connection sheet, a sealing sheet, or the like.
Referring to fig. 1 and fig. 2, an automatic sheet turning device 1 for sheets 3 according to an embodiment of the present invention is provided, the automatic sheet turning device 1 may be used on a material conveying system 2 of a solar cell production line, and sheets 3 are distributed in a tray of the material conveying system 2 in an array manner;
the automatic sheet turnover device 1 comprises a rack assembly 11, a control mechanism, a sheet picking mechanism 12 and a sheet turnover mechanism 13, wherein the sheet picking mechanism 12 and the sheet turnover mechanism 13 are arranged on the rack assembly 11;
the sheet material picking mechanism 12 is used for picking up the sheet material 3 and conveying the picked sheet material 3 to a preset position, the sheet material picking mechanism 12 comprises at least one non-contact type suction cup 121 used for non-contact type sheet material 3 picking up, as shown in the structure of figure 1, when the sheet material 3 conveyed by the material conveying system 2 reaches the automatic sheet material turning device 1, the control mechanism controls the automatic sheet material turning device 1 to act, controls the non-contact type suction cup 121 of the sheet material picking mechanism 12 to pick up at least one appointed sheet material 3, then conveys the picked sheet material 3 to the position where the sheet material turning mechanism 13 is located through the sheet material picking mechanism 12, at the moment, the control mechanism controls the sheet material turning mechanism 13 to turn over the sheet material 3 conveyed by the sheet material picking mechanism 12 by 180 degrees, the control mechanism continues to control the sheet material picking mechanism 12 to pick up the sheet material 3 turned over by the sheet, the sheet material picking mechanism 12 and the sheet material turning mechanism 13 complete one action, and the sheet material picking mechanism 12 and the sheet material turning mechanism 13 repeatedly perform multiple actions under the control of the control mechanism, so that the turning tasks of all the sheet materials 3 in the material conveying system 2 can be completed;
the sheet reversing mechanism 13 is used for reversing 180 degrees of the sheet 3 conveyed to the preset position by the sheet pickup mechanism 12, and the sheet reversing mechanism 13 can be as shown in the structure of fig. 5;
the control mechanism is in signal connection with the sheet picking mechanism 12 and the sheet overturning mechanism 13, and is used for controlling the actions of the sheet picking mechanism 12 and the sheet overturning mechanism 13 so as to realize the turnover of the sheet 3.
In the use process of the automatic sheet turnover device 1, the sheet material 3 in the tray of the material conveying system 2 is picked up by the sheet material picking mechanism 12, the picked sheet material 3 is conveyed to a preset position, the sheet material turnover mechanism 13 turns over the sheet material 3 conveyed to the preset position by the sheet material picking mechanism 12 by 180 degrees, and after the turnover processing is completed, the sheet material 3 which is turned over is picked up by the sheet material picking mechanism 12 and the sheet material 3 is conveyed to the tray, so that the turnover of the sheet material 3 is completed once.
In the using process of the sheet 3, the sheet 3 can be arranged on a material conveying system 2 of a solar cell production line, the sheet 3 such as a silicon wafer is distributed in a tray of the material conveying system 2 in an array mode, the sheet 3 in the tray of the material conveying system 2 is picked up through a sheet picking mechanism 12 by an automatic sheet turning device and conveyed to a preset position, the sheet 3 conveyed to the preset position by the sheet picking mechanism 12 is turned over by 180 degrees through a sheet turning mechanism 13, and after turning processing is completed, the sheet 3 which is turned over is picked up by the sheet picking mechanism 12 and conveyed back to the tray, so that turning over of the sheet 3 is completed once.
Above-mentioned automatic turn-over device passes through the action of control mechanism control sheet pickup mechanism 12 and sheet tilting mechanism 13, can realize the turn-over action of sheet 3 to at the turn-over in-process of sheet 3, sheet pickup mechanism 12 picks up sheet 3 through contact sucking disc 121, makes sheet 3 at the turn-over in-process, has reduced the contact chance between sheet 3 and the non-contact sucking disc 121, can reduce the impurity on the non-contact sucking disc 121 and be stained with on the sheet 3 surface, and then reduces the probability of polluting sheet 3.
Therefore, the automatic sheet turnover device 1 can reduce contact with the sheet 3, reduce the probability of contaminating the sheet 3, and have a small influence on the photoelectric conversion efficiency of the solar cell.
The non-contact type suction cup 121 may be a bernoulli suction cup or a cyclone type suction cup; the operating principle of the bernoulli chuck can be seen with reference to fig. 2, according to the bernoulli principle of "flow rate increase and pressure decrease", when the compressed air is blown out from the Bernoulli chuck and blown to the sheet 3, the compressed air is blown out from the air outlet of the Bernoulli chuck and then rapidly spreads along the radial direction of the Bernoulli chuck, at this time, the air flow speed of the upper part of the sheet 3 is far higher than that of the lower part of the sheet 3, therefore, the air pressure of the upper part of the sheet 3 is lower than that of the lower part of the sheet 3, the sheet 3 can be sucked up by the Bernoulli chuck under the action of the atmospheric pressure, because the Bernoulli chuck always blows compressed air, an air gap S is formed between the sheet 3 and the Bernoulli chuck, non-contact pickup is formed between the sheet 3 and the Bernoulli chuck, the contact between the sheet 3 and the Bernoulli chuck is reduced, impurities on the Bernoulli chuck can be reduced from being attached to the surface of the sheet 3, and further the probability of polluting the sheet 3 is reduced.
In a specific embodiment, as shown in the structures of fig. 3 and 4, the automatic sheet turnover device 1 further comprises a sheet positioning mechanism 14, wherein the sheet positioning mechanism 14 is used for positioning the sheets 3 turned over by 180 ° by the sheet turning mechanism 13, so that the position of each sheet 3 before and after turning is unchanged;
the sheet material positioning mechanism 14 comprises a first driving component and a positioning component which are in transmission connection, and the first driving component is used for driving the positioning component to act so as to position the sheet material 3.
The sheet positioning mechanism 14 may be as structurally shown in fig. 3 and 4, the positioning assembly may include a sheet supporting frame 144, a first positioning arm 145, a second positioning arm 146, a first positioning column 147 disposed on the first positioning arm 145, and a second positioning column 148 disposed on the second positioning arm 146, the first driving assembly may include a first positioning driving assembly 141 driving the first positioning arm 145 to move along an extending direction of the first positioning arm 145, a second positioning driving assembly 142 driving the second positioning arm 146 to move along an extending direction of the second positioning arm 146, and a third positioning driving assembly 143 driving the first positioning arm 145 and the second positioning arm 146 to move up and down; in the process of positioning the sheet 3 by the sheet positioning mechanism 14, the third positioning driving assembly 143 may first lower the first positioning arm 145 and the second positioning arm 146 to the lower surface of the sheet 3, so that the sheet 3 is in a horizontal state, then the third positioning driving assembly raises the first positioning arm 145 and the second positioning arm 146 with the top portion exceeding the upper surface of the sheet 3, at this time, the third positioning driving assembly 143 is kept stationary, so that the first positioning driving assembly 141 and the second positioning driving assembly 142 move relatively, and the first positioning column 147 and the second positioning column 148 are driven by the first positioning arm 145 and the second positioning arm 146 to move relatively, and by setting the movement strokes of the first positioning driving assembly 141 and the second positioning driving assembly 142, the sheet 3 may be positioned to a predetermined position, thereby facilitating the picking and positioning of the sheet picking mechanism 12.
Because the automatic sheet turnover device 1 further comprises the sheet positioning mechanism 14, after the sheet turnover mechanism 13 turns the sheet 3 by 180 degrees, the turned sheet 3 can be positioned, and the sheet 3 is restored to the position released by the sheet pickup mechanism 12, so that the sheet pickup mechanism 12 can pick up the turned sheet 3 at the position where the sheet pickup mechanism 12 releases the sheet 3, and the turned sheet 3 can be picked up more quickly, which is beneficial to improving the picking efficiency of the sheet 3, and further improving the turnover efficiency of the sheet 3.
Specifically, the sheet picking mechanism 12 further includes a guide rail mounted on the top of the frame assembly 11, and a picking support mounted on the guide rail and capable of reciprocating along the extending direction of the guide rail, the extending direction of the guide rail is perpendicular to the conveying path of the material conveying system 2; each non-contact suction cup 121 is mounted to the pickup carriage. As shown in the structure of fig. 1, the sheet picking mechanism 12 may include two parallel first guide rails 122 and second guide rails 123 mounted on the top of the frame assembly 11, or one guide rail or a plurality of guide rails may be provided according to actual conditions and actual needs, as long as the sheet picking mechanism 12 can transport the picked sheet 3 to the position where the sheet turning mechanism 13 is located, and complete turning of the sheet 3; also, the guide rail may be a slide rail.
In order to improve the picking efficiency of the sheet picking mechanism 12, the sheet picking mechanism 12 further includes a positioning sensor mounted on the picking bracket and in signal connection with the control mechanism, the positioning sensor being configured to detect the position of the sheet 3. Through installing in the position sensor who picks up the support, can fix a position the position of sheet 3 rapidly, make sheet pick up mechanism 12 can be fast, accurately move the position that sheet 3 was located, when improving the efficiency of picking up, improved the production efficiency of whole solar cell production line.
In order to improve the application range of the automatic sheet turning device 1, the picking bracket comprises a lifting assembly arranged on the guide rail and a sucker bracket arranged at the top of the lifting assembly, and the lifting assembly can perform reciprocating linear motion in a plane which is vertical to the extension direction of the guide rail and the conveying path of the material conveying system 2; each non-contact suction cup 121 is mounted to a side surface of the suction cup holder facing the sheet 3.
Through setting up in the lifting unit of guide rail to with sucking disc support mounting in lifting unit's top, can adjust the height of non-contact sucking disc 121 through lifting unit, and then make automatic piece device 1 of turning over can handle the sheet 3 of different specifications, in addition when equipment height sets up unreasonablely, also can adjust through lifting unit, both improved automatic application scope of turning over piece device 1, also improved automatic work flexibility of turning over piece device 1. In the actual use process, different lifting assemblies can be selected according to actual conditions, and the lifting assemblies can be electric cylinder assemblies, hydraulic cylinder assemblies or air cylinder assemblies.
On the basis of the above embodiments, as shown in the structure of fig. 5, the sheet inverting mechanism 13 includes a second driving assembly 131, an inverting arm 132 in transmission connection with the second driving assembly 131, and a vacuum chuck 133 mounted on the inverting arm 132; the second drive assembly 131 is used to drive the invert arm 132 in rotation about its own axis. Second drive assembly 131 can be servo motor, when adopting servo motor, can the accurate control upset angle of upset arm 132 to can finely tune upset angle of upset arm 132, and then can the accurate control upset angle of sheet 3, improve the upset precision of sheet 3.
Meanwhile, the vacuum chuck 133 is preferably made of engineering plastics such as PTFE (Polytetrafluoroethylene), PEEK (polyetheretherketone), and the like, and the vacuum chuck 133 made of the above materials can keep the sheet 3 and the vacuum chuck 133 relatively still by using a small suction force, and can reduce the probability of contamination of the sheet 3 due to the fact that the vacuum chuck is an easily-cleaned material, thereby improving the cleanliness of the sheet 3. The invert arm 132 may be formed from an aluminum alloy section.
In order to improve the success rate of the vacuum suction cups 133 absorbing the sheet 3 and prevent the vacuum suction cups 133 from breaking the sheet 3 due to excessive suction force, the sheet turnover mechanism 13 further includes a vacuum detection assembly in signal connection with the control mechanism, and the vacuum detection assembly is used for detecting the vacuum degree of the vacuum suction cups 133.
Vacuum degree through vacuum detection subassembly detection vacuum chuck 133 can be with vacuum chuck 133's vacuum control in reasonable scope, can improve vacuum chuck 133 and adsorb the success rate of sheet 3, also can prevent that vacuum chuck 133 from taking place because of the too big cracked condition of messenger sheet 3 of suction, and then improving the product percent of pass.
In order to improve the production efficiency of the material conveying system 2, the automatic sheet turning device 1 may further include a tray lifting and positioning mechanism, the tray lifting and positioning mechanism is used for lifting and positioning a tray conveyed by the material conveying system 2, and the tray lifting and positioning mechanism includes a tray lifting assembly and a tray positioning mechanism.
Can rise the tray that material conveying system 2 carried through tray lift positioning mechanism, make the tray break away from material conveying system 2, turn over the in-process of piece through automatic piece device 1 that turns over, make material conveying system 2 can carry out normal material and carry, and then improve material conveying system 2's conveying efficiency.
Furthermore, in order to improve the stability and the adjustment flexibility of the tray support, the tray lifting assembly comprises a tray lifting driving assembly and a tray support arranged at the top of the tray lifting driving assembly, and rolling pieces which are distributed in a triangular mode and can roll freely are arranged on the top surface of the tray support. The rolling members may be universal wheels. The tray positioning mechanism comprises a tray driving assembly which is arranged on the tray support and can drive the tray to move in the horizontal plane. In the actual production process, in the process of positioning the tray, the tray can be driven to move in the horizontal plane through the tray driving assembly, and the top of the tray support is provided with a rolling member capable of freely rolling, so that the tray can move on a supporting surface formed by the rolling member along the preset direction under the driving of the tray driving assembly to be positioned; the tray driving assembly may be an alignment cylinder.
In addition to the above-described embodiments, the control mechanism of the automatic film flipping device 1 may be a Programmable Logic Controller (PLC). Because the programmable logic controller has the characteristics of simple programming, strong function, strong reliability and simple maintenance, the control function of the automatic sheet turning device 1 can be easily realized through the programmable logic controller, and the automatic production of the automatic sheet turning device 1 is realized. When parameters such as the specification of the sheet 3, the operation time and the like are changed, the adjustment of the automatic sheet turnover device 1 can be realized by changing a program in the programmable logic controller.
The size of the tray mentioned in the above embodiment may be 2600mm 2200mm, the size of the sheet 3 may be 156mm or 125mm, and the size of the sheet 3 is not limited to the above listed sizes but may be other sizes.
The embodiment of the invention also provides a solar cell production line which comprises any one of the automatic sheet turning devices 1 provided by the embodiment; the automatic sheet turning device 1 can be arranged in the material conveying system 2.
In addition, as shown in fig. 6, an embodiment of the present invention further provides an automatic sheet reversing method using any one of the automatic sheet reversing devices 1 provided in the above embodiments, where the automatic sheet reversing method includes:
a step S11 of picking up the sheet 3 and conveying the picked-up sheet 3 to a predetermined position;
step S12 of reversing the sheet 3 conveyed to the predetermined position by 180 °;
in step S14, the sheet 3 turned 180 ° is picked up and the turned sheet 3 is conveyed to the tray.
The above-described automatic sheet reversing method may be performed by the above-described automatic sheet reversing device 1, and in step S11, the sheet 3 is picked up by the sheet pickup mechanism 12 and the picked-up sheet 3 is conveyed to a predetermined position, that is, a reversing position of the sheet reversing mechanism 13; in step S12, the sheet 3 conveyed to the inversion position by the sheet inverting mechanism 12 is inverted by 180 ° by the sheet inverting mechanism 13; in step S14, the sheet 3 turned 180 ° by the sheet reversing mechanism 13 is picked up by the sheet pickup mechanism 12 and the sheet 3 is conveyed into the tray of the material conveying system 2, at which time, the turn-over of the sheet 3 is completed once.
In order to improve the production efficiency of the sheet 3 in the reversing process, as shown in fig. 6, after reversing the sheet 3 conveyed to the predetermined position by 180 ° at step S12 and before picking up the sheet 3 reversed by 180 ° and conveying the reversed sheet 3 to the tray at step S14, the method further includes:
in step S13, the sheet 3 turned 180 ° is positioned.
Similarly, in the process of turning the sheet 3 by using the automatic sheet turning device 1, the sheet 3 turned by 180 ° can be positioned by the sheet positioning mechanism 14, so that the positions of the sheet 3 before and after turning are unchanged, and the sheet pickup mechanism 12 can conveniently continue to pick up the sheet 3 at the position of releasing the sheet, therefore, the sheet pickup mechanism 12 can quickly and accurately pick up the sheet 3, which is beneficial to improving the working efficiency and saving the working time.
In order to enable accurate positioning of the sheet 3 before the sheet 3 is picked up, before the sheet 3 is picked up and the picked-up sheet 3 is conveyed to a predetermined position, the method further includes:
a tray for conveying the sheet 3 is positioned.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (12)

1. The automatic sheet turning device for the sheet is characterized by comprising a rack assembly, a control mechanism, a sheet picking mechanism and a sheet turning mechanism, wherein the sheet picking mechanism and the sheet turning mechanism are arranged on the rack assembly;
the sheet material picking mechanism is used for picking up a sheet material and conveying the picked sheet material to a preset position, and the sheet material picking mechanism comprises at least one non-contact type suction cup used for non-contact type sheet material picking;
the sheet turning mechanism is used for turning the sheet conveyed to the predetermined position by 180 DEG by the sheet pickup mechanism;
a sheet positioning mechanism for positioning the sheets turned by 180 ° by the sheet turning mechanism so that the position of each sheet before and after turning is unchanged;
the sheet positioning mechanism comprises a first driving assembly and a positioning assembly which are in transmission connection, and the first driving assembly is used for driving the positioning assembly to act so as to position the sheet;
the positioning assembly comprises a sheet supporting frame, a first positioning arm, a second positioning arm, a first positioning column and a second positioning column, wherein the first positioning column is arranged on the first positioning arm, and the second positioning column is arranged on the second positioning arm;
the first driving assembly comprises a first positioning driving assembly, a second positioning driving assembly and a third positioning driving assembly, the first positioning driving assembly is used for driving the first positioning arm to move along the extending direction of the first positioning arm, the second positioning driving assembly is used for driving the second positioning arm to move along the extending direction of the second positioning arm, and the third positioning driving assembly is used for driving the first positioning arm and the second positioning arm to lift and lower so as to position the sheet turned by 180 degrees;
the sheet material picking mechanism is also used for picking the sheet material after the sheet material is turned over by 180 degrees at the preset position;
the control mechanism is in signal connection with the sheet picking mechanism and the sheet turning mechanism and is used for controlling the sheet picking mechanism and the sheet turning mechanism to act so as to turn over the sheet.
2. The automatic sheet turnover device of claim 1, wherein the sheet material picking mechanism further comprises a guide rail mounted on top of the frame assembly, and a picking support mounted on the guide rail and capable of reciprocating along an extension direction of the guide rail, the extension direction of the guide rail being perpendicular to a conveying path of the material conveying system; each non-contact sucker is mounted on the picking bracket.
3. The automatic sheet turnover device of claim 2, wherein the sheet picking mechanism further comprises a positioning sensor mounted on the picking bracket and in signal connection with the control mechanism, the positioning sensor being configured to detect a position of the sheet.
4. The automatic sheet turnover device of claim 2, wherein the picking bracket comprises a lifting assembly mounted to the guide rail and a suction cup bracket mounted on top of the lifting assembly, the lifting assembly being capable of reciprocating linear motion in a plane perpendicular to both the conveying path of the material conveying system and the direction of extension of the guide rail; each non-contact type sucking disc is arranged on one side surface, facing the sheet, of the sucking disc support.
5. The automatic sheet turnover device of claim 1, wherein the sheet turnover mechanism comprises a second driving assembly, a turnover arm in transmission connection with the second driving assembly, and a vacuum chuck mounted on the turnover arm; the second driving assembly is used for driving the overturning arm to rotate around the axis of the overturning arm.
6. The automatic sheet overturning device according to any one of claims 2-4, further comprising a tray lifting and positioning mechanism, wherein the tray lifting and positioning mechanism is used for lifting and positioning a tray conveyed by the material conveying system, and the tray lifting and positioning mechanism comprises a tray lifting assembly and a tray positioning mechanism.
7. The automatic sheet turnover device of claim 6, wherein the tray lifting assembly comprises a tray lifting driving assembly and a tray support arranged on the top of the tray lifting driving assembly, and the top surface of the tray support is provided with rolling members which are distributed in a triangular shape and can roll freely.
8. The automatic sheet turnover device of claim 7, wherein the tray positioning mechanism comprises a tray driving assembly mounted to the tray support and capable of driving the tray to move in a horizontal plane.
9. A solar cell production line, characterized by comprising the automatic sheet turnover device as claimed in any one of claims 1 to 8.
10. An automatic sheet reversing method using the automatic sheet reversing device according to any one of claims 1 to 8, comprising:
picking up a sheet and conveying the picked-up sheet to a predetermined position;
turning the sheet conveyed to the predetermined position by 180 °;
picking up the sheet turned 180 ° and conveying the turned sheet to a tray.
11. The automatic sheet reversing method according to claim 10, wherein after the sheet conveyed to a predetermined position is reversed by 180 ° and before the sheet reversed by 180 ° is picked up and the reversed sheet is conveyed to a tray, further comprising:
and positioning the sheet after being turned by 180 degrees.
12. The automatic sheet reversing method according to claim 10, further comprising, before said picking up a sheet and transporting the picked sheet to a predetermined position:
a tray for conveying the sheet is positioned.
CN201611199525.8A 2016-12-22 2016-12-22 Automatic sheet turning device and method for sheet and solar cell production line Active CN106611729B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611199525.8A CN106611729B (en) 2016-12-22 2016-12-22 Automatic sheet turning device and method for sheet and solar cell production line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611199525.8A CN106611729B (en) 2016-12-22 2016-12-22 Automatic sheet turning device and method for sheet and solar cell production line

Publications (2)

Publication Number Publication Date
CN106611729A CN106611729A (en) 2017-05-03
CN106611729B true CN106611729B (en) 2020-01-14

Family

ID=58636672

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611199525.8A Active CN106611729B (en) 2016-12-22 2016-12-22 Automatic sheet turning device and method for sheet and solar cell production line

Country Status (1)

Country Link
CN (1) CN106611729B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109087881A (en) * 2017-06-13 2018-12-25 浙江正泰太阳能科技有限公司 A kind of solar battery string is reprocessed, checks integrated device
CN108075014A (en) * 2017-12-11 2018-05-25 杭州博阳太阳能科技有限公司 A kind of production method of solar panel
CN107919311A (en) * 2017-12-19 2018-04-17 北京铂阳顶荣光伏科技有限公司 Production line is deposited in solar cell altogether
CN107946220A (en) * 2017-12-22 2018-04-20 君泰创新(北京)科技有限公司 Cell piece slice turning device
CN110775617A (en) * 2019-11-11 2020-02-11 苏州易瑞得电子科技有限公司 Sheet workpiece vertical feeder and method of using same
CN115106302B (en) * 2022-06-29 2024-04-19 深圳市海铭德科技有限公司 Device for sorting gauze
CN115477048A (en) * 2022-11-15 2022-12-16 苏州恒瑞达家用地垫有限公司 Household floor mat finished product stacking and packaging equipment
CN116553173A (en) * 2023-05-16 2023-08-08 华中科技大学 High-reliability non-contact chip pickup device and online control method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010275026A (en) * 2009-05-26 2010-12-09 Toppan Printing Co Ltd Sheet substrate conveying apparatus
CN203300620U (en) * 2013-06-20 2013-11-20 苏州矽微电子科技有限公司 Feeding apparatus with non-contact sucker
CN204516736U (en) * 2015-04-30 2015-07-29 新奥光伏能源有限公司 A kind of sheet material pick device
CN105374902A (en) * 2015-11-19 2016-03-02 新奥光伏能源有限公司 Vacuum turnover device and turnover method
CN205666249U (en) * 2016-06-07 2016-10-26 东莞市启天自动化设备有限公司 Solar energy silicon chip upset machine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103227134B (en) * 2013-03-18 2016-02-17 无锡先导智能装备股份有限公司 A kind of carrying screening plant of battery component and carrying screening technique
CN106024986B (en) * 2016-07-18 2017-12-19 河北羿珩科技有限责任公司 Battery strings transmission tilts out material system automatically

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010275026A (en) * 2009-05-26 2010-12-09 Toppan Printing Co Ltd Sheet substrate conveying apparatus
CN203300620U (en) * 2013-06-20 2013-11-20 苏州矽微电子科技有限公司 Feeding apparatus with non-contact sucker
CN204516736U (en) * 2015-04-30 2015-07-29 新奥光伏能源有限公司 A kind of sheet material pick device
CN105374902A (en) * 2015-11-19 2016-03-02 新奥光伏能源有限公司 Vacuum turnover device and turnover method
CN205666249U (en) * 2016-06-07 2016-10-26 东莞市启天自动化设备有限公司 Solar energy silicon chip upset machine

Also Published As

Publication number Publication date
CN106611729A (en) 2017-05-03

Similar Documents

Publication Publication Date Title
CN106611729B (en) Automatic sheet turning device and method for sheet and solar cell production line
CN201663151U (en) Full automatic silicon chip loading and unloading machine
CN106716618B (en) Sample transfer system and method for manufacturing solar cell
WO2010094346A1 (en) Substrate inverting system
CN111940306A (en) Detection device and detection method for semiconductor chip
CN111211064A (en) Low-contact wafer centering and overturning system
CN212864564U (en) Support plate glass cutting device
CN111232648A (en) Photovoltaic glass deep-processing grabbing and stacking system
CN211168915U (en) Workpiece turnover mechanism
CN111169998A (en) Multi-station sucker manipulator
CN109333844B (en) Silicon wafer splitting device and silicon wafer scribing processing system
CN116786985A (en) BC battery laser scribing equipment
CN211056218U (en) Automatic waste discharge stacking equipment
CN219602509U (en) Turnover mechanism and conveying device
CN107689403B (en) Centralized processing equipment for sheet bodies
CN213568423U (en) Automatic glass product carrying equipment
CN209471987U (en) A kind of hull cell correcting device and processing unit (plant)
CN210504536U (en) Workpiece overturning and positioning equipment and automatic production line
CN113910109A (en) Wafer sand blasting double-feeding machine
CN106449509B (en) Lifting and rotating device
WO2020015739A1 (en) Wafer extracting and separating device and method
CN214505523U (en) Photovoltaic silicon chip sintering unloader
CN218016413U (en) Solar cell panel edge cleaning equipment
CN116141362B (en) Manipulator based on vacuum electrostatic composite sucker, robot and holding and transferring method thereof
CN117766446B (en) Wafer conveying manipulator and wafer conveying system with same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant