CN215882968U

CN215882968U - Protective mechanism of screen printing device for PERC battery

Info

Publication number: CN215882968U
Application number: CN202121697623.0U
Authority: CN
Inventors: 何飞; 蔡鹏�; 李亚楠
Original assignee: Jiangsu Hongrun Photoelectric Technology Co ltd
Current assignee: Jiangsu Hongrun Photoelectric Technology Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-02-22
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a protective mechanism of a screen printing device for a PERC battery, which comprises a protective box and a conveying mechanism, wherein a partition plate is arranged in the protective box, the partition plate divides the interior of the protective box into an ash cleaning chamber and a printing chamber from left to right, the conveying mechanism comprises a feeding conveying belt, a discharging conveying belt, a left conveying belt and a right conveying belt, the left conveying belt and the right conveying belt are respectively arranged in the ash cleaning chamber and the printing chamber, an ash cleaning mechanism and a fixing mechanism are arranged in the ash cleaning chamber, the ash cleaning mechanism comprises a cleaning rod, a telescopic column fixedly connected to the top of the cleaning rod and an air cylinder connected with the top end of the telescopic column, the top end of the air cylinder is slidably connected to the top wall of the ash cleaning chamber through a sliding assembly, and the fixing mechanism comprises a front fixing plate and a rear fixing plate. The utility model can prevent dust or scraps from falling on the battery piece in the printing process, can clean the battery piece, avoids influencing the printing quality and plays a good role in protection.

Description

Protective mechanism of screen printing device for PERC battery

Technical Field

The utility model belongs to the technical field of PERC battery processing, and particularly relates to a protection mechanism of a screen printing device for a PERC battery.

Background

The PERC technology is passivation emitter back contact, and conversion efficiency is improved by forming a passivation layer on the back of the solar cell. The screen printing is an important process for producing the PERC battery, and the principle is that printing ink is extruded by a scraper and blocked by a scraper face and a screen mesh knot of a screen plate, so that the printing ink presents a reverse rolling state, when the printing ink moves to an electrode pattern area of the screen plate which is not blocked by a latex film, the printing ink penetrates through a mesh downwards to contact a printing substrate, the scraper continuously moves forwards, and the printing ink is separated from the screen plate and attached to the printing substrate due to the tension of the screen plate and the distance from the screen plate, so that the purpose of printing is achieved. In view of the fact that dust or debris may fall onto the surface of the cell during the transportation and printing processes of the cell, which may not only affect the printing quality, but also damage the screen, it is necessary to develop a protection mechanism of the screen printing apparatus for the PERC cell.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide the protection mechanism of the screen printing device for the PERC battery, which can prevent dust or scraps from falling on the battery piece in the printing process, avoid influencing the printing quality and play a good protection role.

In order to achieve the above object, the present invention adopts the following technical solutions:

the protective mechanism of the screen printing device for the PERC battery comprises a protective box and a conveying mechanism, wherein a partition plate is arranged in the protective box and divides the interior of the protective box into a dust cleaning chamber and a printing chamber from left to right, the conveying mechanism comprises a feeding conveying belt, a discharging conveying belt, a left conveying belt and a right conveying belt, the left conveying belt and the right conveying belt are respectively arranged in the dust cleaning chamber and the printing chamber, be provided with deashing mechanism and fixed establishment in the deashing room, deashing mechanism includes the clearance pole, fixed connection is in the flexible post at clearance pole top and the cylinder of connecting flexible capital end, sliding component sliding connection is passed through on the roof of deashing room on the top of cylinder, fixed establishment includes front fixed plate and after-fixing board, front fixed block and after-fixing piece are connected with respectively through an electric telescopic handle to the rear side of front fixed plate and the front side of after-fixing board, front fixed block and after-fixing piece are fixed in respectively on the antetheca and the back wall of deashing room.

Preferably, the bottom of the dust cleaning chamber is provided with an air suction cover, the bottom end of the air suction cover is connected with an external air suction fan through a pipeline, and dust and debris on the battery piece can be sucked away through the air suction cover, so that the influence on the printing quality is avoided.

Preferably again, the left side wall middle part and the right side wall middle part of aforementioned guard box are provided with feed inlet and discharge gate respectively, and the middle part of baffle is provided with the opening, and material loading conveyer belt and unloading conveyer belt correspond respectively and set up in the outside of feed inlet and discharge gate, can realize automatic feeding and unloading work, have effectively improved work efficiency.

More preferably, the middle parts of the feeding hole, the discharging hole and the through opening are positioned at the same height with the top of the conveying mechanism, so that the battery piece can be moved conveniently.

Further preferably, the left side of aforementioned opening is provided with the baffle, and the bottom of baffle is connected with second electric telescopic handle, and on second electric telescopic handle's the bottom mounting was in the diapire of deashing room, the baffle size was greater than the opening, can keep off the opening through the baffle, avoided having dust and piece to get into the printing chamber in, played fine guard action.

Specifically, the printing mechanism, the printing screen and the liquid receiving tank are arranged in the printing chamber from top to bottom, and the liquid receiving tank is arranged below the right conveying belt.

Preferably, a plurality of leakage holes are formed in the right conveyor belt, and ink falling through the printing screen can fall into the liquid receiving tank, so that waste of the ink is avoided.

Preferably, the bottom end of the cleaning rod is provided with a cleaning brush, so that dust or debris on the upper surface of the battery can be effectively cleaned.

The utility model has the advantages that: the battery piece protective box is simple in structure and convenient to use, and can prevent dust or scraps from falling on the battery piece in the printing process by printing in the protective box, so that a good protective effect is achieved; through the left and right movement of the cleaning mechanism in the dust cleaning chamber, dust or debris on the upper surface of the battery piece can be effectively cleaned, and the falling dust or debris is sucked away through the air suction cover, so that the printing process is prevented from being influenced, and the printing effect of the battery piece is improved; the battery piece can be fixed through the fixing mechanism, so that the battery piece is prevented from moving in the cleaning process, and the cleaning effect is ensured; automatic feeding and discharging can be achieved through the conveying mechanism, and working efficiency is effectively improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the fixing mechanism of the present invention.

The meaning of the reference symbols in the figures: 1. the protective housing, 1.1, the feed inlet, 1.2, the discharge gate, 2, the baffle, 2.1, the opening, 3, the material loading conveyer belt, 4, the unloading conveyer belt, 5, left conveyer belt, 6, right conveyer belt, 7, the clearance pole, 8, flexible post, 9, the cylinder, 10, the front fixed plate, 11, the after-fixing board, 12, first electric telescopic handle, 13, the before-fixing block, 14, the after-fixing block, 15, the cover that induced drafts, 16, the baffle, 17, second electric telescopic handle, 18, printing mechanism, 19, printing half tone, 20, connect the cistern, 21, the battery piece.

Detailed Description

The utility model is described in detail below with reference to the figures and the embodiments.

Referring to fig. 1, the protection mechanism of the screen printing device for the PERC battery comprises a protection box 1 and a transportation mechanism, wherein a partition plate 2 is arranged inside the protection box 1, the partition plate 2 divides the inside of the protection box 1 into a dust cleaning chamber and a printing chamber from left to right, the transportation mechanism comprises a feeding conveyer belt 3, a discharging conveyer belt 4, a left conveyer belt 5 and a right conveyer belt 6, and the left conveyer belt 5 and the right conveyer belt 6 are respectively arranged in the dust cleaning chamber and the printing chamber.

Be provided with deashing mechanism and fixed establishment in the deashing room, deashing mechanism includes clearance pole 7, fixed connection in the flexible post 8 at clearance pole 7 top and the cylinder 9 of connecting flexible post 8 top, and the bottom of clearance pole 7 is provided with the clearance brush, can effectively clear up the dust or the piece of battery piece 21 upper surface. The top of cylinder 9 passes through slip subassembly sliding connection on the roof of deashing room, and slider and slide rail can be chooseed for use to the slip subassembly, through the round trip movement of slip motor drive slider in the slide rail to realize removing the removal of clearance pole 7. The bottom of the dust removing chamber is provided with an air suction cover 15, the bottom end of the air suction cover 15 is connected with an external air suction fan through a pipeline, dust and debris on the battery piece 21 can be sucked away through the air suction cover 15, and the influence on the printing quality is avoided.

Referring to fig. 2, the fixing mechanism includes a front fixing plate 10 and a rear fixing plate 11, a front fixing block 13 and a rear fixing block 14 are respectively connected to the rear side of the front fixing plate 10 and the front side of the rear fixing plate 11 through a first electric telescopic rod 12, the front fixing block 13 and the rear fixing block 14 are respectively fixed on the front wall and the rear wall of the ash removal chamber, the battery piece 21 can be fixed through the fixing mechanism, and the battery piece is prevented from moving in the cleaning process, so that the cleaning effect is guaranteed.

The left side wall middle part and the right side wall middle part of protective housing 1 are provided with feed inlet 1.1 and discharge gate 1.2 respectively, and the middle part of baffle 2 is provided with opening 2.1, and material loading conveyer belt 3 corresponds respectively with unloading conveyer belt 4 and sets up in the outside of feed inlet 1.1 and discharge gate 1.2, can realize automatic feeding and unloading work, have effectively improved work efficiency. The middle parts of the feed inlet 1.1, the discharge outlet 1.2 and the through opening 2.1 are positioned at the same height with the top of the conveying mechanism, so that the battery piece 21 is convenient to move. Opening 2.1's left side is provided with baffle 16, and baffle 16's bottom is connected with second electric telescopic handle 17, and on the bottom mounting of second electric telescopic handle 17 was in the diapire of deashing room, baffle 16's size was greater than opening 2.1, can block opening 2.1 through baffle 16, avoided having dust and piece to get into the printing chamber in, played fine guard action.

The printing mechanism 18, the printing screen 19 and the liquid receiving tank 20 are arranged in the printing chamber from top to bottom, and the liquid receiving tank 20 is arranged below the right conveyor 6. The right conveying belt 6 is provided with a plurality of leakage holes, and the printing ink falling through the printing screen 19 can fall into the liquid receiving tank 20, so that the waste of the printing ink is avoided.

The utility model also comprises a controller and a control panel, and the controller can control the work of the conveying mechanism, the ash requesting mechanism and the fixing mechanism.

In order to better illustrate the utility model, the working process thereof is specifically described below:

the battery piece 21 is conveyed onto a left conveying belt 5 in the protective box 1 through a feeding conveying belt 3, the left conveying belt 5 is suspended after transmission for a certain time, a front fixing plate 10 and a rear fixing plate 11 are driven to move oppositely through a first electric telescopic rod 12 until the battery piece 21 is clamped, the ash cleaning mechanism is started, and a cleaning brush on a cleaning rod 7 cleans dust and debris on the battery piece 21; after the cleaning is finished, the baffle 16 is driven to move downwards through the second electric telescopic rod 17, the battery piece 21 is conveyed to the right conveying belt 6 of the printing chamber by the left conveying belt 5, the battery piece 21 is moved for a certain distance by the right conveying belt 6 and then is paused, the printing work is started, and after the printing is finished, the battery piece 21 is conveyed to the blanking conveying belt 4 by the right conveying belt 6, and then the next battery piece 21 can be processed.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.

Claims

The protection mechanism of the screen printing device for the PERC battery comprises a protection box (1) and a transportation mechanism, and is characterized in that a partition plate (2) is arranged inside the protection box (1), the partition plate (2) divides the inside of the protection box (1) into an ash cleaning chamber and a printing chamber from left to right, the transportation mechanism comprises a feeding conveyer belt (3), a discharging conveyer belt (4), a left conveyer belt (5) and a right conveyer belt (6), the left conveyer belt (5) and the right conveyer belt (6) are respectively arranged in the ash cleaning chamber and the printing chamber, an ash cleaning mechanism and a fixing mechanism are arranged in the ash cleaning chamber, the ash cleaning mechanism comprises a cleaning rod (7), a telescopic column (8) fixedly connected to the top of the cleaning rod (7) and a cylinder (9) connected to the top of the telescopic column (8), the top end of the cylinder (9) is slidably connected to the top wall of the ash cleaning chamber through a sliding assembly, the fixing mechanism comprises a front fixing plate (10) and a rear fixing plate (11), the rear side of the front fixing plate (10) and the front side of the rear fixing plate (11) are respectively connected with a front fixing block (13) and a rear fixing block (14) through a first electric telescopic rod (12), and the front fixing block (13) and the rear fixing block (14) are respectively fixed on the front wall and the rear wall of the ash removal chamber.
2. The screen printing device protection mechanism for PERC batteries according to claim 1, wherein the bottom of the ash removal chamber is provided with an air suction hood (15), and the bottom end of the air suction hood (15) is connected with an external air suction fan through a pipeline.
3. The protection mechanism of the screen printing device for the PERC battery as claimed in claim 1, wherein a feed port (1.1) and a discharge port (1.2) are respectively arranged in the middle of the left side wall and the right side wall of the protection box (1), a through port (2.1) is arranged in the middle of the partition plate (2), and the feeding conveyer belt (3) and the discharging conveyer belt (4) are respectively and correspondingly arranged at the outer sides of the feed port (1.1) and the discharge port (1.2).
4. The shielding mechanism of a screen printing apparatus for a PERC cell according to claim 3, wherein the middle parts of the inlet (1.1), outlet (1.2) and through opening (2.1) are at the same height as the top of the transport mechanism.
5. The screen printing device protection mechanism for the PERC battery according to claim 1, wherein a baffle (16) is arranged on the left side of the through opening (2.1), a second electric telescopic rod (17) is connected to the bottom of the baffle (16), the bottom end of the second electric telescopic rod (17) is fixed on the bottom wall of the dust removing chamber, and the size of the baffle (16) is larger than that of the through opening (2.1).
6. The screen printing apparatus for PERC batteries according to claim 1, wherein the printing chamber is provided with a printing mechanism (18), a printing screen (19) and a liquid receiving tank (20) from the top down, and the liquid receiving tank (20) is provided below the right conveyor belt (6).
7. The screen printing apparatus for PERC cells of claim 1, wherein said right conveyor belt (6) is provided with a plurality of orifices.
8. The shielding mechanism of a screen printing apparatus for a PERC battery according to claim 1, wherein a cleaning brush is provided at a bottom end of the cleaning rod (7).