CN113823712B - Chain type etching alkali back polishing device for battery piece - Google Patents

Chain type etching alkali back polishing device for battery piece Download PDF

Info

Publication number
CN113823712B
CN113823712B CN202111280069.0A CN202111280069A CN113823712B CN 113823712 B CN113823712 B CN 113823712B CN 202111280069 A CN202111280069 A CN 202111280069A CN 113823712 B CN113823712 B CN 113823712B
Authority
CN
China
Prior art keywords
mounting
solution tank
block
groove
roller
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
CN202111280069.0A
Other languages
Chinese (zh)
Other versions
CN113823712A (en
Inventor
刘睿
庄大伟
许康
王侃侃
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.)
Jiangsu Longheng New Energy Co ltd
Original Assignee
Jiangsu Longheng New 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 Jiangsu Longheng New Energy Co ltd filed Critical Jiangsu Longheng New Energy Co ltd
Priority to CN202111280069.0A priority Critical patent/CN113823712B/en
Publication of CN113823712A publication Critical patent/CN113823712A/en
Application granted granted Critical
Publication of CN113823712B publication Critical patent/CN113823712B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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 System
    • H01L31/182Special manufacturing methods for polycrystalline Si, e.g. Si ribbon, poly Si ingots, thin films of polycrystalline Si
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02Elements
    • C30B29/06Silicon
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B33/00After-treatment of single crystals or homogeneous polycrystalline material with defined structure
    • 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
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
    • H01L21/306Chemical or electrical treatment, e.g. electrolytic etching
    • H01L21/30604Chemical etching
    • 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
    • Y02E10/546Polycrystalline 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

Abstract

The invention discloses a battery piece chain type etching alkali back polishing device, and relates to the technical field of photovoltaic cell production equipment. The solution tank of the device is internally provided with a solution tank, the roller is rotationally connected in the solution tank and is provided with a plurality of parallel arrangement, the two ends of the roller are provided with mounting seats, the tail end of the roller is rotationally connected on the mounting seats, the solution tank is internally provided with a mounting rack which is connected on the inner side wall of the roller in a sliding way, the mounting seats are detachably connected on the mounting rack through locking pieces, the mounting rack drives lifting parts arranged at the top of the solution tank to lift, the inner side surface of the solution tank is provided with cuboid-shaped mounting columns, the bottom of the mounting seats is provided with mounting grooves matched with the mounting columns in shape, when the roller in the container is damaged, the operation of replacing the roller can be performed without emptying the roller, and meanwhile, one or a plurality of rollers can be taken out for replacement without emptying the solution, so that the operation of replacing the roller can be realized, the waste of resources is reduced, and the production cost is reduced.

Description

Chain type etching alkali back polishing device for battery piece
Technical Field
The invention relates to the technical field of photovoltaic cell production equipment, in particular to a chain type etching alkali back polishing device for a cell.
Background
Solar photovoltaic power generation has become an emerging industry of general interest and important development worldwide due to the characteristics of cleanliness, safety, convenience, high efficiency and the like. In recent years, the production of crystalline silicon solar cells is rapidly developed, and the technology is continuously improved. At present, crystalline silicon solar cell manufacturing enterprises at home and abroad mostly adopt solar cells with traditional structures, and the technology is mature.
The battery piece is manufactured by texturing and diffusion, and the next procedure after diffusion is etching. In the diffusion process, a back-to-back single-sided diffusion mode is adopted, and phosphorus atoms are inevitably diffused on the side edges and the back edges of the silicon wafer. When the sunlight irradiates, the photo-generated electrons collected on the front surface of the P-N junction flow to the back surface of the P-N junction along the area where the phosphorus is diffused along the edge, thereby causing a short circuit path.
The short circuit path is equivalent to reducing the parallel resistance. The etching procedure is to remove the phosphorus part on the edge of the silicon wafer completely, so that the P-N junction short circuit is avoided and the parallel resistance is reduced.
Currently, china patent with publication number CN109285772B discloses a chain type back polishing method for a polysilicon cell: spraying water on the front surface of the diffused polycrystalline silicon cell to form a uniform water film protective layer, contacting the polycrystalline silicon cell with hydrofluoric acid and nitric acid mixed solution to remove oxidation layers on the periphery and the back surface of polycrystalline silicon, contacting the treated polycrystalline silicon cell with alkali liquor to carry out corrosion polishing, cleaning the treated polycrystalline silicon cell with water, and sequentially cleaning the polycrystalline silicon cell with alkali and acid after cleaning with water and drying;
the chain type back polishing device comprises a first etching device, a second etching device, a liquid-carrying roller and a polishing roller.
The chain type back polishing device for the polycrystalline silicon battery piece can improve polishing effect and ensure continuous production, but because the polishing device needs to be used with a liquid roller and a polishing roller to be contacted with acidic or alkaline liquid, the roller is easy to erode and damage after long-time use, the roller needs to be replaced at the moment, the solution in the whole container needs to be emptied and replaced when the roller is replaced, and one or a plurality of the rollers sometimes need to be replaced, so that polishing operation is greatly influenced, and production cost is improved.
Disclosure of Invention
Aiming at the technical problems, the invention overcomes the defects of the prior art and provides a battery piece chain type etching alkali back polishing device.
In order to solve the technical problems, the invention provides a battery piece chain type etching alkali back polishing device.
The technical effects are as follows: when the roller in the container is damaged, the operation of replacing the roller can be performed without emptying the solution in the roller, one or a plurality of rollers can be taken out for replacement, the operation of replacing the roller can be realized without emptying the solution, the waste of resources is reduced, the replacement efficiency can be improved by designating the roller replacement, the time required for replacement is reduced, and the production cost is reduced.
The technical scheme of the invention is as follows: the utility model provides a battery piece chain sculpture alkali back of body burnishing device, including solution case and gyro wheel, be equipped with the solution tank in the solution case, the gyro wheel rotates to be connected in the solution tank and is equipped with a plurality of roots of parallel arrangement, the gyro wheel both ends are equipped with the mount pad, the gyro wheel end rotates to be connected on the mount pad, be equipped with the mounting bracket of sliding connection on its inside wall in the solution tank, the mount pad passes through the retaining member to be dismantled and connects on the mounting bracket, the mounting bracket drives the lift through the lifter that locates solution tank top, be equipped with the erection column of cuboid shape on the solution tank medial surface, the mount pad bottom corresponds the erection column and is formed with the mounting groove of shape and matching with it, be equipped with the sliding tray on the solution tank inside wall, the mounting bracket side corresponds the position and is formed with the sliding block, the sliding block slides and is connected in the sliding tray, sliding block and sliding tray all encircle the mounting bracket and are equipped with a plurality of groups.
Further, the retaining member is including forming the retaining block at mount pad top, and the locking groove has been seted up to the retaining block side, slides on the mounting bracket and is connected with the locking lever with locking groove looks adaptation each other, and the mounting bracket bottom is equipped with the lug, has seted up the movable groove on the lug, and the locking lever is located the movable groove.
The battery piece chain type etching alkali back polishing device is characterized in that a movable block is connected in a sliding manner in the movable groove, the tail end of the movable block is fixed with the locking rod, a movable screw rod is rotationally connected in the movable groove, the movable screw rod penetrates through the movable block and is in threaded connection with the movable block, a rotating rod perpendicular to the mounting frame is arranged on the mounting frame, and the rotating rod penetrates through the mounting frame and extends into the movable groove.
The battery piece chain type etching alkali back polishing device is characterized in that a rotating rod is rotationally connected with a mounting frame, a rotating block is arranged at the top end of the mounting frame, the rotating block is in a regular hexagon shape, a screw groove is formed in the top surface of the rotating block, a driving bevel gear is arranged at the bottom of the rotating rod, and a driven bevel gear which is in adaptive engagement with the driving bevel gear is arranged on a movable lead screw.
The battery piece chain type etching alkali back polishing device is characterized in that a lifting rack perpendicular to the horizontal plane is formed on one side surface of the mounting frame, a lifting gear is connected to the solution tank in a rotating mode through a rotating shaft, the lifting gear is meshed with the lifting gear, and a lifting motor for driving the lifting gear to rotate is further arranged on the solution tank.
The battery piece chain type etching alkali back polishing device is characterized in that a lifting worm is integrally formed on an output shaft of the lifting motor, a lifting worm wheel is arranged on the coaxial center of the rotating shaft, the lifting worm and the lifting worm wheel are mutually meshed, and a limiting convex ring is arranged on the inner side surface of the solution tank and used for limiting the falling height of the mounting frame.
The battery piece chain type etching alkali back polishing device is characterized in that the mounting column, the mounting seat, the locking block and the locking rod are all made of polytetrafluoroethylene materials.
The battery piece chain type etching alkali back polishing device comprises a mounting seat, wherein the mounting seat comprises a left connecting block and a right connecting block which are mutually matched, a containing groove for containing a roller tail end shaft and a bearing is formed in the middle position of the mounting seat, a connecting pin hole penetrating through the mounting seat is formed in the side face of the mounting seat, a fixing pin is arranged in the connecting pin hole in a penetrating mode, and the tail end of the fixing pin is connected in the connecting pin hole in a positioning mode through a positioning pin.
The battery piece chained etching alkali back polishing device is characterized in that a connecting groove penetrating through the left connecting block is formed in the left connecting block, a connecting convex strip embedded in the connecting groove is arranged on the right connecting block, the connecting convex strip comprises a long connecting section and a cylindrical limiting section, and the shape of the connecting groove is identical to that of the connecting convex strip.
The beneficial effects of the invention are as follows:
(1) According to the polishing device, when the polishing device is used for a period of time, an operator can fix one or a plurality of rollers to be replaced on the mounting frame through the locking piece and then start the lifting piece to drive the mounting frame to lift, the mounting frame drives the rollers to lift and separate from the liquid level in the solution tank, the rollers can separate from liquid, the operator can replace the rollers, the lifting piece is reversely started after replacement is completed, the mounting frame sinks to drive the rollers to be immersed into the solution tank, the mounting column in the solution tank is matched with the mounting groove at the bottom of the mounting seat, stable installation of the mounting seat and the rollers can be achieved, so that replacement of the rollers can be completed without emptying acidic or alkaline liquid in the solution tank, replacement of one or a plurality of rollers can be designated, the replacement efficiency is greatly improved, the waste of the solution is reduced, and the production cost is reduced;
(2) According to the invention, when the roller is selected, an operator can rotate through rotating the locking rod, the driving bevel gear at the bottom end of the locking rod drives the driven bevel gear and the movable screw rod to rotate, the movable screw rod can drive the movable block to slide under the action of threads, the locking rod at the tail end of the movable block can be arranged in the locking groove on the mounting seat in a penetrating way, so that the relative fixation of the mounting frame and the mounting seat is completed, and the roller can be fixed on the mounting frame to be lifted and replaced along with the mounting frame;
(3) According to the invention, the lifting motor in the lifting piece drives the lifting worm to rotate, the lifting worm wheel and the rotating shaft are linked to rotate, the lifting gear is fixed on the rotating shaft and can drive the movable rack which is glidingly connected to the side surface of the solution tank to lift after rotating, so that the whole mounting frame is driven to lift, the mounting frame can be stopped at any height due to self-locking property between the worm wheel and the worm, the falling position of the mounting frame can be ensured to be accurate by arranging the limiting convex ring, and in addition, the mounting column, the mounting seat, the locking block and the locking rod are all made of polytetrafluoroethylene materials, so that the corrosion of acidic and alkaline solutions can be prevented;
(4) According to the invention, the mounting seat is divided into the left connecting block and the right connecting block, and the positioning pin and the fixing pin can be detached when the roller is replaced, so that an operator can conveniently take down the whole roller for replacement, and higher replacement efficiency is achieved;
(5) According to the invention, when the rollers in the container are damaged, the rollers can be replaced without emptying the solution in the container, one or a plurality of rollers can be taken out for replacement, the operation of replacing the rollers can be realized without emptying the solution, the waste of resources is reduced, the replacement efficiency can be improved by designating the rollers for replacement, the time required for replacement is reduced, and the production cost is reduced.
Drawings
Fig. 1 is a structural diagram of embodiment 1;
fig. 2 is a schematic structural view of embodiment 1;
fig. 3 is a structural view of the lifter in embodiment 1;
FIG. 4 is a structural view of a locker of embodiment 1;
fig. 5 is a structural diagram of the mount in embodiment 1.
Wherein: 1. a solution tank; 11. a roller; 12. a solution tank; 13. a mounting column; 14. a sliding groove; 15. a sliding block; 2. a mounting base; 21. a mounting groove; 22. a left connecting block; 23. a right connecting block; 24. a receiving groove; 25. a connecting pin hole; 26. a fixing pin; 27. a positioning pin; 28. connecting convex strips; 29. a connecting groove; 3. a mounting frame; 31. a bump; 32. a movable groove; 33. a movable block; 4. a lifting member; 41. lifting the rack; 42. a lifting gear; 43. a lifting motor; 44. lifting worm wheels; 45. lifting the worm; 46. a limit convex ring; 5. a locking member; 51. a locking block; 52. a locking groove; 53. a movable screw; 54. a rotating lever; 55. a rotating block; 56. a driven bevel gear; 57. and a drive bevel gear.
Detailed Description
The structure is as shown in fig. 1-2, the battery piece chain etching alkali back polishing device comprises a solution tank 1 and a roller 11, wherein a solution tank 12 is arranged in the solution tank 1, the roller 11 is rotationally connected in the solution tank 12 and provided with a plurality of parallel arranged rollers, mounting seats 2 are arranged at two ends of the roller 11, the tail ends of the roller 11 are rotationally connected on the mounting seats 2, and a mounting frame 3 which is slidingly connected on the inner side wall of the solution tank 12 is arranged in the solution tank 12.
As shown in fig. 1, fig. 4 and fig. 5, the mount pad 2 is detachably connected on the mount bracket 3 through the retaining member 5, the mount bracket 3 drives to go up and down through the lifting member 4 arranged at the top of the solution tank 12, a cuboid-shaped mounting column 13 is arranged on the inner side surface of the solution tank 12, a mounting groove 21 matched with the mounting column 13 in shape is formed at the bottom of the mount pad 2 corresponding to the mounting column 13, a sliding groove 14 is arranged on the inner side wall of the solution tank 12, a sliding block 15 is formed at the corresponding position of the side surface of the mount bracket 3, the sliding block 15 is connected in the sliding groove 14 in a sliding manner, and a plurality of groups of sliding blocks 15 and the sliding grooves 14 are arranged around the mount bracket 3.
As shown in fig. 1, 4 and 5, the locking member 5 includes a locking block 51 formed at the top of the mounting seat 2, a locking groove 52 is formed on the side surface of the locking block 51, a locking rod mutually matched with the locking groove 52 is slidingly connected to the mounting frame 3, a protruding block 31 is arranged at the bottom of the mounting frame 3, a movable groove 32 is formed on the protruding block 31, and the locking rod is located in the movable groove 32. The movable groove 32 is connected with a movable block 33 in a sliding way, the tail end of the movable block 33 is fixed with a locking rod, the movable groove 32 is rotatably connected with a movable lead screw 53, and the movable lead screw 53 penetrates through the movable block 33 and is in threaded connection with the movable block 33.
As shown in fig. 2 and 3, the mounting frame 3 is provided with a rotation rod 54 perpendicular to the mounting frame 3, and the rotation rod 54 penetrates the mounting frame 3 and extends into the movable groove 32. The rotating rod 54 is rotationally connected with the mounting frame 3, a rotating block 55 is arranged at the top end of the mounting frame 3, the rotating block 55 is in a regular hexagon shape, a screw groove is formed in the top surface of the rotating block, a driving bevel gear 57 is arranged at the bottom of the rotating rod 54, and a driven bevel gear 56 which is in fit engagement with the driving bevel gear 57 is arranged on the movable lead screw 53.
As shown in fig. 2 and 3, a lifting rack 41 is formed on one side of the mounting frame 3 and is perpendicular to the horizontal plane, a lifting gear 42 is rotatably connected to the solution tank 12 through a rotation shaft, the lifting gear 42 is meshed with the lifting gear 42, and a lifting motor 43 for driving the lifting gear 42 to rotate is further provided on the solution tank 12. The lifting worm 45 is integrally formed on the output shaft of the lifting motor 43, the lifting worm wheel 44 is arranged on the shaft coaxially, the lifting worm 45 and the lifting worm wheel 44 are mutually meshed, and the limiting convex ring 46 is arranged on the inner side surface of the solution tank 12 and used for limiting the falling height of the mounting frame 3.
As shown in fig. 1, 4 and 5, the mounting post 13, the mounting base 2, the locking block 51 and the locking lever are all made of polytetrafluoroethylene material. The mount pad 2 includes left connecting block 22 and right connecting block 23 of mutual adaptation, and mount pad 2 intermediate position is equipped with the holding tank 24 that is used for holding gyro wheel 11 terminal axle and bearing, and the mount pad 2 side is equipped with the connection pinhole 25 that runs through mount pad 2 setting, wears to be equipped with fixed pin 26 in the connection pinhole 25, and the fixed pin 26 end passes through locating pin 27 location and connects in connection pinhole 25.
As shown in fig. 1, 4 and 5, a connecting groove 29 penetrating the left connecting block 22 is formed in the left connecting block 22, a connecting convex strip 28 embedded in the connecting groove 29 is formed in the right connecting block 23, the connecting convex strip 28 comprises a long connecting section and a cylindrical limiting section, and the shape of the connecting groove 29 is identical to that of the connecting convex strip 28.
When needing to change gyro wheel 11, operating personnel can pass through retaining member 5 with one or a plurality of gyro wheels 11 that need change and fix on mounting bracket 3, restart lifter 4, drive mounting bracket 3 lifting, mounting bracket 3 drives gyro wheel 11 and rises and break away from the liquid level in solution groove 12, gyro wheel 11 also can break away from liquid this moment, operating personnel can implement the change of gyro wheel 11, reverse start lifter 4 after the change is accomplished, mounting bracket 3 sinks, drive gyro wheel 11 and immerse to solution inslot 12, erection column 13 in the solution groove 12 and the adaptation of the mounting groove 21 of mount pad 2 bottom, just can reach the stable installation of mount pad 2 and gyro wheel 11.
According to the invention, when the roller 11 in the container is damaged, replacement operation can be performed without emptying the solution in the container, one or a plurality of the rollers 11 can be taken out for replacement, the operation of replacing the roller 11 can be realized without emptying the solution, the waste of resources is reduced, the replacement efficiency can be improved by designating the replacement of the roller 11, the time required for replacement is reduced, and the production cost is reduced.
In addition to the embodiments described above, other embodiments of the invention are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the invention.

Claims (9)

1. The utility model provides a battery piece chain etching alkali back burnishing device, includes solution case (1) and gyro wheel (11), its characterized in that: be equipped with solution tank (12) in solution tank (1), gyro wheel (11) rotate connect in solution tank (12) and be equipped with a plurality of roots of parallel arrangement, gyro wheel (11) both ends are equipped with mount pad (2), gyro wheel (11) end rotate connect on mount pad (2), be equipped with in solution tank (12) slide and connect mounting bracket (3) on its inside wall, mount pad (2) can dismantle through retaining member (5) and connect on mounting bracket (3), mounting bracket (3) drive through lifter (4) that locate solution tank (12) top and go up and down, be equipped with installing post (13) of cuboid shape on solution tank (12) medial surface, mount pad (2) bottom corresponds mounting post (13) and is formed with mounting groove (21) that the shape matches with it, be equipped with sliding tray (14) on solution tank (12) inside wall, mounting bracket (3) side corresponds the position and is formed with sliding block (15), sliding block (15) slide and connect in sliding tray (14), sliding block (15) and sliding tray (14) all encircle (3) and are equipped with a plurality of groups.
2. The battery plate chained etching alkali back polishing device according to claim 1, wherein: the locking piece (5) comprises a locking piece (51) formed at the top of the mounting seat (2), a locking groove (52) is formed in the side face of the locking piece (51), a locking rod which is mutually matched with the locking groove (52) is connected to the mounting frame (3) in a sliding mode, a protruding block (31) is arranged at the bottom of the mounting frame (3), a movable groove (32) is formed in the protruding block (31), and the locking rod is located in the movable groove (32).
3. The battery plate chained etching alkali back polishing device according to claim 2, wherein: the movable groove (32) is connected with a movable block (33) in a sliding manner, the tail end of the movable block (33) is fixed with a locking rod, the movable groove (32) is rotationally connected with a movable screw rod (53), the movable screw rod (53) penetrates through the movable block (33) and is in threaded connection with the movable screw rod, a rotating rod (54) perpendicular to the mounting frame (3) is arranged on the mounting frame (3), and the rotating rod (54) penetrates through the mounting frame (3) and extends into the movable groove (32).
4. The battery plate chained etching alkali back polishing device according to claim 3, wherein: the rotary rod (54) is rotationally connected with the mounting frame (3), a rotary block (55) is arranged at the top end of the mounting frame (3), the rotary block (55) is in a regular hexagon shape, a screw groove is formed in the top surface of the rotary block, a driving bevel gear (57) is arranged at the bottom of the rotary rod (54), and a driven bevel gear (56) which is in fit engagement with the driving bevel gear (57) is arranged on the movable lead screw (53).
5. The battery plate chained etching alkali back polishing device according to claim 1, wherein: lifting racks (41) perpendicular to the horizontal plane are formed on one side of the mounting frame (3), lifting gears (42) are connected to the solution tank (12) in a rotating mode through rotating shafts, the lifting gears (42) are meshed with the lifting gears (42), and lifting motors (43) used for driving the lifting gears (42) to rotate are further arranged on the solution tank (12).
6. The battery plate chained etching alkali back polishing device according to claim 5, wherein: an elevating worm (45) is integrally formed on an output shaft of the elevating motor (43), an elevating worm wheel (44) is arranged on the coaxial center of the rotating shaft, the elevating worm (45) and the elevating worm wheel (44) are mutually meshed, and a limiting convex ring (46) is arranged on the inner side surface of the solution tank (12) and used for limiting the falling height of the mounting frame (3).
7. The battery plate chained etching alkali back polishing device according to claim 1, wherein: the mounting column (13), the mounting seat (2), the locking block (51) and the locking rod are all made of polytetrafluoroethylene materials.
8. The battery plate chained etching alkali back polishing device according to claim 1, wherein: the mounting seat (2) comprises a left connecting block (22) and a right connecting block (23) which are mutually matched, a containing groove (24) used for containing a tail end shaft of the roller (11) and a bearing is formed in the middle position of the mounting seat (2), a connecting pin hole (25) penetrating through the mounting seat (2) is formed in the side face of the mounting seat (2), a fixing pin (26) is arranged in the connecting pin hole (25) in a penetrating mode, and the tail end of the fixing pin (26) is connected in the connecting pin hole (25) in a locating mode through a locating pin (27).
9. The battery plate chained etching alkali back polishing device according to claim 8, wherein: the connecting groove (29) penetrating through the left connecting block (22) is formed in the left connecting block (22), the connecting convex strips (28) embedded in the connecting groove (29) are arranged on the right connecting block (23), the connecting convex strips (28) comprise long connecting sections and limit sections in cylindrical shapes, and the shape of the connecting groove (29) is identical to that of the connecting convex strips (28).
CN202111280069.0A 2021-11-01 2021-11-01 Chain type etching alkali back polishing device for battery piece Active CN113823712B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111280069.0A CN113823712B (en) 2021-11-01 2021-11-01 Chain type etching alkali back polishing device for battery piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111280069.0A CN113823712B (en) 2021-11-01 2021-11-01 Chain type etching alkali back polishing device for battery piece

Publications (2)

Publication Number Publication Date
CN113823712A CN113823712A (en) 2021-12-21
CN113823712B true CN113823712B (en) 2023-10-13

Family

ID=78917659

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111280069.0A Active CN113823712B (en) 2021-11-01 2021-11-01 Chain type etching alkali back polishing device for battery piece

Country Status (1)

Country Link
CN (1) CN113823712B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114481331B (en) * 2022-01-24 2023-06-13 江西中弘晶能科技有限公司 Method for improving roller belt liquid etching

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014222737A1 (en) * 2014-05-16 2015-11-19 Singulus Stangl Solar Gmbh Apparatus for treating the underside and the edges of a product with a liquid and method for producing a product treated with a liquid on a lower side
CN206619609U (en) * 2017-03-28 2017-11-07 通威太阳能(合肥)有限公司 A kind of etching groove support
CN111029289A (en) * 2019-12-30 2020-04-17 浙江鸿禧能源股份有限公司 Etching groove
CN212725344U (en) * 2020-09-23 2021-03-16 苏州库睿斯自动化设备有限公司 Compound acid polishing system
CN213716924U (en) * 2020-12-16 2021-07-16 中建材浚鑫科技有限公司 Texturing groove device for producing efficient battery piece
CN213752662U (en) * 2021-01-18 2021-07-20 中建材浚鑫科技有限公司 Texturing groove for diamond wire cutting polycrystalline silicon wafer
CN214505447U (en) * 2021-02-20 2021-10-26 无锡瑞达半导体专用设备有限公司 Single chip etching machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014222737A1 (en) * 2014-05-16 2015-11-19 Singulus Stangl Solar Gmbh Apparatus for treating the underside and the edges of a product with a liquid and method for producing a product treated with a liquid on a lower side
CN206619609U (en) * 2017-03-28 2017-11-07 通威太阳能(合肥)有限公司 A kind of etching groove support
CN111029289A (en) * 2019-12-30 2020-04-17 浙江鸿禧能源股份有限公司 Etching groove
CN212725344U (en) * 2020-09-23 2021-03-16 苏州库睿斯自动化设备有限公司 Compound acid polishing system
CN213716924U (en) * 2020-12-16 2021-07-16 中建材浚鑫科技有限公司 Texturing groove device for producing efficient battery piece
CN213752662U (en) * 2021-01-18 2021-07-20 中建材浚鑫科技有限公司 Texturing groove for diamond wire cutting polycrystalline silicon wafer
CN214505447U (en) * 2021-02-20 2021-10-26 无锡瑞达半导体专用设备有限公司 Single chip etching machine

Also Published As

Publication number Publication date
CN113823712A (en) 2021-12-21

Similar Documents

Publication Publication Date Title
CN113823712B (en) Chain type etching alkali back polishing device for battery piece
CN109545886B (en) Preparation method of half-chip polycrystalline solar cell
CN210508287U (en) Wall decoration ceramic tile pasting robot based on double-shaft ball screw lifting transmission
CN111952221A (en) Chip processing wafer belt cleaning device
CN102737982B (en) The campaign-styled fluff making device of a kind of silicon chip
CN211802566U (en) Solar photovoltaic board belt cleaning device
CN206076260U (en) A kind of solar battery sheet etching device
CN106169521A (en) What a kind of crystal silicon solar energy battery was processed removes phosphorosilicate glass machining production line
CN214374231U (en) Full-automatic lithium battery detection device based on CCD detection system
CN220132333U (en) Horizontal coating device
CN218835295U (en) Polishing and rotating integrated device for wafer cleaning
CN109712921B (en) Flower basket structure of monocrystalline silicon heterojunction solar cell slice
CN116673249A (en) Cleaning system and cleaning process for monocrystalline silicon slice production
CN216175142U (en) Photovoltaic board cleans machine people system
CN211913840U (en) Testboard convenient to remove and enlarged area
CN213409479U (en) Photovoltaic cell wiping equipment
CN210273948U (en) Intelligent production line for solar assembly frame
CN213937822U (en) Photovoltaic panel capable of being automatically cleaned
CN111570335A (en) Photovoltaic cell wiping equipment for photovoltaic power station
CN213520021U (en) Texturing groove for manufacturing polycrystalline silicon solar cell
CN209802042U (en) Drying device is used in production of solar energy electroplax
CN213752638U (en) Etching water washing device
CN213179576U (en) Waste heat recovery and utilization device of thermal power plant
CN214942895U (en) Novel heating device with multiple parking places
CN209747535U (en) single-side texturing black silicon wafer separator

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