CN113823712A - Chain type etching alkali back polishing device for battery piece - Google Patents

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

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Publication number
CN113823712A
CN113823712A CN202111280069.0A CN202111280069A CN113823712A CN 113823712 A CN113823712 A CN 113823712A CN 202111280069 A CN202111280069 A CN 202111280069A CN 113823712 A CN113823712 A CN 113823712A
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CN
China
Prior art keywords
mounting
solution tank
lifting
polishing device
block
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Granted
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CN202111280069.0A
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Chinese (zh)
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CN113823712B (en
Inventor
刘睿
庄大伟
许康
王侃侃
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Jiangsu Longheng New Energy Co ltd
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Jiangsu Longheng New Energy Co ltd
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    • 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 chain type etching alkali back polishing device for a battery piece, and relates to the technical field of photovoltaic battery production equipment. A solution tank is arranged in a solution tank of the device, a plurality of rollers are rotatably connected in the solution tank and arranged in parallel, mounting seats are arranged at two ends of each roller, the tail ends of the rollers are rotatably connected on the mounting seats, a mounting frame which is connected on the inner side wall of the solution tank in a sliding manner is arranged in the solution tank, the mounting seats are detachably connected on the mounting frames through locking pieces, the mounting frames are driven to lift through a lifting piece arranged at the top of the solution tank, mounting columns in a cuboid shape are arranged on the inner side surface of the solution tank, mounting grooves in a shape matched with the mounting columns are formed at the bottom of the mounting seats correspondingly to the mounting columns, when the roller in the container is damaged, the replacement operation can be carried out without emptying the solution in the container, meanwhile, one or a plurality of rollers can be taken out to be replaced, the operation of replacing the rollers can be realized without emptying solution, 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 a new industry which is concerned and developed intensively worldwide due to the characteristics of cleanness, 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, most of crystalline silicon solar cell manufacturing enterprises at home and abroad adopt solar cells with traditional structures, and the technology is mature.
The manufacturing of the cell needs to be carried out by texturing and diffusion, and the next procedure after the diffusion is etching. In the diffusion process, a back-to-back single-side diffusion mode is adopted, and phosphorus atoms are inevitably diffused on the side edge and the back edge of the silicon wafer. When sunlight irradiates, photo-generated electrons collected by the front surface of the P-N junction flow to the back surface of the P-N junction along the area with phosphorus diffused on the edge, and a short circuit path is formed.
The short circuit path is equivalent to reducing the parallel resistance. The etching process is to completely remove the phosphorus on the edge of the silicon wafer, so that the short circuit of a P-N junction is avoided and the reduction of the parallel resistance is avoided.
At present, chinese patent publication No. CN109285772B discloses a chain-type back polishing method for polysilicon cells: 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 liquor to remove oxide 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, washing the treated polycrystalline silicon cell with water, and sequentially washing and drying the polycrystalline silicon cell washed with water with alkali and acid;
the chain type back polishing device comprises a first etching device, a second etching device, a roller with liquid and a polishing roller.
This kind of polycrystalline silicon battery piece chain back of body burnishing device can promote polishing effect, guarantee serialization production, but because this kind of burnishing device need take liquid gyro wheel and polishing gyro wheel contact acid or alkaline liquid when using, consequently the gyro wheel receives the erosion easily and takes place the damage after using for a long time, need change the gyro wheel this moment, need empty the solution in the whole container when the gyro wheel is changed and change again, and only need change one or a plurality of wherein sometimes, the going on of polishing operation has been influenced to a very big extent, and manufacturing cost has been promoted.
Disclosure of Invention
Aiming at the technical problems, the invention overcomes the defects of the prior art and provides a chain type etching alkali back polishing device for a battery piece.
In order to solve the technical problems, the invention provides a chain type etching alkali back polishing device for a battery piece.
The technical effects are as follows: when the gyro wheel in the container damages, can not need to empty solution wherein and can change the operation, can appoint to take out one or a plurality of gyro wheels wherein simultaneously and change, need not to empty the solution and handle the operation that can realize changing the gyro wheel, reduced the waste of resource, appointed change gyro wheel more can improve change efficiency, reduces and changes required time, has reduced manufacturing cost.
The technical scheme of the invention is further defined as follows: the utility model provides a battery piece chain sculpture alkali back of body burnishing device, including solution tank and gyro wheel, be equipped with the solution tank in the solution tank, 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 connection on its inside wall that slides in the solution tank, the mount pad passes through the retaining member and can dismantle the connection on the mounting bracket, the mounting bracket drives the lift through the lifter of locating the solution tank top, be equipped with cuboid shape's erection column on the solution tank medial surface, the mount pad bottom corresponds the erection column and becomes the mounting groove that has the shape to match 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 connects in the sliding tray, sliding block and sliding tray all encircle the mounting bracket and are equipped with a plurality of group.
Further, the retaining member is including forming the latch segment at mount pad top, and the locking groove has been seted up to the latch segment side, and it has the check lock lever with the mutual adaptation of locking groove to slide on the mounting bracket, and the mounting bracket bottom is equipped with the lug, has seted up the activity groove on the lug, and the check lock lever is located the activity inslot.
Preceding battery piece chain etching alkali back of body burnishing device, it is connected with the movable block to slide in the activity groove, the movable block is terminal fixed with the check lock lever, and swivelling joint has movable lead screw in the activity groove, and movable lead screw pierces through the movable block and threaded connection with it, is equipped with the dwang of perpendicular to mounting bracket on the mounting bracket, and the dwang pierces through the mounting bracket and extends to the activity inslot.
Preceding cell piece chain sculpture alkali back of body burnishing device rotate between dwang and the mounting bracket and be connected, the mounting bracket top is equipped with the turning block, and the turning block is regular hexagon, and its top surface has seted up the screw groove, the dwang bottom is equipped with the drive bevel gear, be equipped with on the activity lead screw with drive bevel gear adaptation meshing driven bevel gear.
The chain type etching alkali back polishing device for the battery piece is characterized in that a lifting rack perpendicular to the horizontal plane is formed on one side face of the mounting frame, a lifting gear is rotatably connected to the solution tank through a rotating shaft, the lifting gear is meshed with the lifting gear, and a lifting motor used for driving the lifting gear to rotate is further arranged on the solution tank.
The chain type etching alkali back polishing device for the battery piece is characterized in that a lifting worm is integrally formed on an output shaft of a lifting motor, a lifting worm wheel is coaxially arranged on a rotating shaft, the lifting worm and the lifting worm wheel are meshed with each other, and a limiting convex ring is arranged on the inner side surface of a solution tank and used for limiting the falling height of an installation frame.
The chain type etching alkali back polishing device for the battery piece comprises a mounting column, a mounting seat, a locking block and a locking rod which are all made of polytetrafluoroethylene materials.
Preceding battery piece chain etching alkali back of body burnishing device, the mount pad includes left connecting block and the right connecting block of mutual adaptation, the mount pad intermediate position is equipped with the holding tank that is used for holding the gyro wheel end shaft and bearing, the mount pad side is equipped with the connecting pin hole that runs through the mount pad setting, wear to be equipped with the fixed pin in the connecting pin hole, the fixed pin is terminal to be connected in the connecting pin hole through locating pin location.
Preceding battery piece chain etching alkali back of body burnishing device, set up the spread groove that runs through left connecting block on the connecting block of a left side, be equipped with on the connecting block of the right side and inlay the connection sand grip of locating in the spread groove, connect the spacing section that the sand grip includes long banding linkage segment and cylindrical shape, the shape of spread groove is the same with the shape of connecting the sand grip.
The invention has the beneficial effects that:
(1) in the invention, after the polishing device is used for a period of time, when the roller needs to be replaced, an operator can fix one or more rollers to be replaced on the mounting frame through the locking piece, then the lifting piece is started to drive the mounting frame to lift, the mounting frame drives the roller to lift and separate from the liquid level in the solution tank, the roller can also separate from the liquid, the operator can replace the roller, the lifting piece is reversely started after the replacement is finished, the mounting frame sinks to drive the roller 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, the stable mounting of the mounting seat and the roller can be achieved, the replacement of the roller can be finished without emptying acidic or alkaline liquid in the solution tank, the replacement of one or more rollers can also be appointed, the replacement efficiency is greatly improved, and the waste of the solution is reduced, the production cost is reduced;
(2) in the invention, when the roller is selected, an operator can rotate the locking rod by rotating, the driving bevel gear at the bottom end of the locking rod drives the driven bevel gear and the movable lead screw to rotate, the movable lead screw can drive the movable block to slide under the action of threads, the locking rod at the tail end of the movable block can penetrate through the locking groove on the mounting seat to complete the relative fixation of the mounting frame and the mounting seat, and the roller can be fixed on the mounting frame to be lifted along with the mounting frame to complete the replacement;
(3) according to the invention, a lifting motor in a lifting piece drives a lifting worm to rotate, a lifting worm wheel and a rotating shaft are linked to rotate, the lifting gear is fixed on the rotating shaft, and the lifting gear can drive a movable rack connected to the side surface of a solution tank to lift after rotating, so that the whole mounting rack is driven to lift;
(4) according to the invention, the mounting seat is divided into the left connecting block and the right connecting block, so that the positioning pin and the fixing pin can be detached when the roller is replaced, the whole roller can be conveniently taken down by an operator for replacement, and higher replacement efficiency is achieved;
(5) according to the invention, when the roller in the container is damaged, the replacement operation can be carried out without emptying the solution in the container, one or more rollers can be appointed to 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 appointing the roller for replacement, the time required by replacement is reduced, and the production cost is reduced.
Drawings
FIG. 1 is a structural view of example 1;
FIG. 2 is a schematic structural view of embodiment 1;
FIG. 3 is a structural view of the elevating member in embodiment 1;
FIG. 4 is a structural view of a lock member in embodiment 1;
fig. 5 is a structural view of the mount in embodiment 1.
Wherein: 1. a solution tank; 11. a roller; 12. a solution tank; 13. mounting a column; 14. a sliding groove; 15. a slider; 2. a mounting seat; 21. mounting grooves; 22. a left connecting block; 23. a right connecting block; 24. accommodating grooves; 25. connecting pin holes; 26. a fixing pin; 27. positioning pins; 28. connecting convex strips; 29. connecting grooves; 3. a mounting frame; 31. a bump; 32. a movable groove; 33. a movable block; 4. a lifting member; 41. a lifting rack; 42. a lifting gear; 43. a lifting motor; 44. a lifting worm gear; 45. a lifting worm; 46. a limit convex ring; 5. a locking member; 51. a locking block; 52. a locking groove; 53. a movable lead screw; 54. rotating the rod; 55. rotating the block; 55. a drive bevel gear; 56. a driven bevel gear.
Detailed Description
The chain type etching alkali back polishing device for the battery piece provided by the embodiment is structurally shown in fig. 1-2 and comprises a solution tank 1 and rollers 11, wherein a solution tank 12 is arranged in the solution tank 1, the rollers 11 are rotatably connected in the solution tank 12 and are provided with a plurality of parallel arranged rollers, mounting seats 2 are arranged at two ends of the rollers 11, the tail ends of the rollers 11 are rotatably connected on the mounting seats 2, and mounting frames 3 connected to the inner side wall of the solution tank 12 in a sliding manner are arranged in the solution tank 12.
As shown in fig. 1, fig. 4 and fig. 5, mount pad 2 can be dismantled through retaining member 5 and connect on mounting bracket 3, mounting bracket 3 drives the lift through the lifter 4 of locating the 12 tops of solution tank, be equipped with the erection column 13 of cuboid shape on the side of the 12 inboard faces of solution tank, mount pad 2 bottom corresponds erection column 13 and is formed with the mounting groove 21 that the shape matches with it, be equipped with sliding tray 14 on the 12 inside walls of solution tank, the corresponding position in mounting bracket 3 side is formed with sliding block 15, sliding block 15 slides and connects in sliding tray 14, sliding block 15 and sliding tray 14 all encircle mounting bracket 3 and are equipped with a plurality of groups.
As shown in fig. 1, 4 and 5, the locking member 5 includes a locking block 51 formed at the top of the mounting base 2, a locking groove 52 is formed on the side surface of the locking block 51, a locking rod matched with the locking groove 52 is connected to the mounting frame 3 in a sliding manner, 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. The movable groove 32 is connected with a movable block 33 in a sliding mode, the tail end of the movable block 33 is fixed with the locking rod, a movable lead screw 53 is connected in the movable groove 32 in a rotating mode, and the movable lead screw 53 penetrates through the movable block 33 and is in threaded connection with the movable block.
As shown in fig. 2 and 3, the mounting block 3 is provided with a rotating rod 54 perpendicular to the mounting block 3, and the rotating rod 54 penetrates the mounting block 3 and extends into the movable groove 32. The rotating rod 54 is rotatably connected with the mounting frame 3, the rotating block 55 is arranged on the top end of the mounting frame 3, the rotating block 55 is in a regular hexagon shape, the top surface of the rotating block 55 is provided with a screw groove, the bottom of the rotating rod 54 is provided with a driving bevel gear 55, and the movable lead screw 53 is provided with a driven bevel gear 56 which is meshed with the driving bevel gear 55 in an adaptive manner.
As shown in fig. 2 and 3, a lifting rack 41 perpendicular to the horizontal plane is formed on one side surface of the mounting frame 3, a lifting gear 42 is rotatably connected to the solution tank 12 through a rotating shaft, the lifting gear 42 is engaged with the lifting gear 42, and a lifting motor 43 for driving the lifting gear 42 to rotate is further disposed on the solution tank 12. A lifting worm 45 is integrally formed on an output shaft of the lifting motor 43, a lifting worm wheel 44 is coaxially arranged on the rotating shaft, the lifting worm 45 and the lifting worm wheel 44 are meshed with each other, 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 rack 3.
As shown in fig. 1, 4 and 5, the mounting post 13, the mounting seat 2, the locking block 51 and the locking bar are all made of teflon. The mounting seat 2 comprises a left connecting block 22 and a right connecting block 23 which are mutually adaptive, the middle position of the mounting seat 2 is provided with a containing groove 24 for containing a tail end shaft and a bearing of the roller 11, the side surface of the mounting seat 2 is provided with a connecting pin hole 25 which runs through 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 positioning mode through a positioning pin 27.
As shown in fig. 1, 4 and 5, a connecting groove 29 penetrating through the left connecting block 22 is formed in the left connecting block 22, a connecting protruding strip 28 embedded in the connecting groove 29 is formed in the right connecting block 23, the connecting protruding strip 28 includes an elongated connecting section and a cylindrical limiting section, and the connecting groove 29 and the connecting protruding strip 28 are the same in shape.
When the gyro wheel 11 needs to be changed, operating personnel can pass through retaining member 5 with one or a plurality of gyro wheels 11 that need to be changed and fix on mounting bracket 3, restart lift 4, drive the lifting of mounting bracket 3, mounting bracket 3 drives the liquid level that gyro wheel 11 rises and breaks away from in solution tank 12, gyro wheel 11 also can break away from liquid this moment, operating personnel can implement the change of gyro wheel 11, reverse start lift 4 after the change is accomplished, mounting bracket 3 sinks, it immerses to solution tank 12 to drive gyro wheel 11, erection column 13 in solution tank 12 and the mounting groove 21 adaptation of 2 bottoms of mount pad, 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, the replacement operation can be carried out without emptying the solution in the container, one or more rollers 11 can be appointed to 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 appointing the roller 11 to be replaced, the time required by replacement is reduced, and the production cost is reduced.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.

Claims (9)

1. The utility model provides a battery piece chain etching alkali back of body burnishing device, includes solution tank (1) and gyro wheel (11), its characterized in that: a solution tank (12) is arranged in the solution tank (1), a plurality of parallel rollers (11) are rotatably connected in the solution tank (12), mounting seats (2) are arranged at two ends of each roller (11), the tail ends of the rollers (11) are rotatably connected on the mounting seats (2), a mounting rack (3) connected to the inner side wall of each roller in a sliding manner is arranged in each solution tank (12), the mounting seats (2) are detachably connected to the mounting racks (3) through locking pieces (5), the mounting racks (3) are driven to lift through lifting pieces (4) arranged at the tops of the solution tanks (12), rectangular mounting columns (13) are arranged on the inner side surface of each solution tank (12), mounting grooves (21) matched with the mounting columns in shape are formed at the bottoms of the mounting seats (2) corresponding to the mounting columns (13), sliding grooves (14) are formed on the inner side surface of each solution tank (12), sliding blocks (15) are formed at corresponding positions on the side surfaces of the mounting racks (3), the sliding blocks (15) are connected in the sliding grooves (14) in a sliding mode, and the sliding blocks (15) and the sliding grooves (14) are provided with a plurality of groups in a surrounding mode on the installation frame (3).
2. The cell piece chain etching alkali back polishing device of claim 1, wherein: retaining member (5) including forming in latch segment (51) at mount pad (2) top, locking groove (52) have been seted up to latch segment (51) side, and the sliding connection has the check lock lever with the mutual adaptation of locking groove (52) on mounting bracket (3), and mounting bracket (3) bottom is equipped with lug (31), has seted up activity groove (32) on lug (31), and the check lock lever is located activity groove (32).
3. The cell piece chain etching alkali back polishing device of claim 2, wherein: slide in activity groove (32) and be connected with movable block (33), movable block (33) end is fixed with the check lock lever, and swivelling joint has movable lead screw (53) in activity groove (32), and activity lead screw (53) pierce through movable block (33) and threaded connection with it, is equipped with dwang (54) of perpendicular to mounting bracket (3) on mounting bracket (3), and dwang (54) pierce through mounting bracket (3) and extend to in activity groove (32).
4. The cell piece chain etching alkali back polishing device of claim 3, wherein: the novel lead screw is characterized in that the rotating rod (54) is rotatably connected with the mounting rack (3), the top end of the mounting rack (3) is provided with a rotating block (55), the rotating block (55) is in a regular hexagon shape, the top surface of the rotating block is provided with a screw groove, the bottom of the rotating rod (54) is provided with a driving bevel gear (55), and a movable lead screw (53) is provided with a driven bevel gear (56) which is meshed with the driving bevel gear (55) in an adaptive mode.
5. The cell piece chain etching alkali back polishing device of claim 1, wherein: a lifting rack (41) perpendicular to the horizontal plane is formed on one side face of the mounting rack (3), a lifting gear (42) is rotatably connected to the solution tank (12) through a rotating shaft, the lifting gear (42) is meshed with the lifting gear (42), and a lifting motor (43) used for driving the lifting gear (42) to rotate is further arranged on the solution tank (12).
6. The cell piece chain etching alkali back polishing device of claim 5, wherein: the lifting mechanism is characterized in that a lifting worm (45) is integrally formed on an output shaft of the lifting motor (43), a lifting worm wheel (44) is coaxially arranged on the rotating shaft, the lifting worm (45) and the lifting worm wheel (44) are meshed with each other, 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 rack (3).
7. The cell piece chain etching alkali back polishing device of 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 cell piece chain etching alkali back polishing device of claim 1, wherein: installing seat (2) are equipped with holding tank (24) that are used for holding gyro wheel (11) end shaft and bearing including left connecting block (22) and right connecting block (23) of mutual adaptation, installing seat (2) intermediate position, and installing seat (2) side is equipped with connecting pin hole (25) that run through installing seat (2) and set up, wears to be equipped with fixed pin (26) in connecting pin hole (25), and fixed pin (26) end is through locating pin (27) positioning connection in connecting pin hole (25).
9. The cell piece chain etching alkali back polishing device of claim 8, wherein: offer spread groove (29) of running through left connecting block (22) on left connecting block (22), be equipped with on right connecting block (23) and inlay connection sand grip (28) of locating in spread groove (29), connection sand grip (28) are including the spacing section of long banding linkage segment and cylindrical shape, and the shape of spread groove (29) is the same with the shape of connecting sand grip (28).
CN202111280069.0A 2021-11-01 2021-11-01 Chain type etching alkali back polishing device for battery piece Active CN113823712B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114481331A (en) * 2022-01-24 2022-05-13 江西中弘晶能科技有限公司 Method for improving liquid-carrying etching over-etching of roller

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