CN218399803U - Scraper device and photovoltaic cell piece lithography apparatus - Google Patents
Scraper device and photovoltaic cell piece lithography apparatus Download PDFInfo
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- CN218399803U CN218399803U CN202222852418.8U CN202222852418U CN218399803U CN 218399803 U CN218399803 U CN 218399803U CN 202222852418 U CN202222852418 U CN 202222852418U CN 218399803 U CN218399803 U CN 218399803U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a scraper device and photovoltaic cell piece lithography apparatus, including blade holder, connecting seat and scraper, the blade holder is provided with concave part, and the connecting seat is connected in the blade holder, and the connecting seat is provided with bellying and fixed part, and at least part of bellying is located concave part, and the connecting seat can rotate along concave part through the bellying, and the fixed part is connected with the blade holder, and the scraper is connected in one side that the blade holder was kept away from to the connecting seat, and wherein, the fixed part extends along the axial of connecting seat, and the fixed part can overturn for the blade holder. The scraper device's of this application scraper angle modulation flexibility is higher to can adjust the scraper angle by oneself according to the production demand, increase the adjustment range of the wet heavy of printing, produce line index management and control with better completion, practice thrift manufacturing cost.
Description
Technical Field
The application relates to the technical field of photovoltaic cell production, in particular to a scraper device and photovoltaic cell piece printing equipment.
Background
Screen printing technology has found widespread use in many industries, particularly in the photovoltaic industry for over a decade. The screen printing technology is mainly applied to manufacturing of photovoltaic cell pieces in the photovoltaic industry, the photovoltaic cell pieces form PN junctions on semiconductor silicon chips, grid lines are printed on two sides of the semiconductor silicon chips in a screen printing mode, and collected current is used as electrodes.
The used scraper angle of present conventional screen printing process is fixed, angle between scraper and the silk screen side is fixed promptly, consequently need to change the new scraper of different angles under the different circumstances of thick liquids characteristic and match the printing characteristic, can increase manufacturing cost, in addition, the scraper angle has direct relation with the wet weight of printing in certain extent, the fixed wet weight of adjustment printing of then being not convenient for of scraper angle, and the scope of adjusting is also very limited, the flexibility of adjusting is lower.
SUMMERY OF THE UTILITY MODEL
The application provides a scraper device and photovoltaic cell piece lithography apparatus to solve the lower problem of scraper angle modulation flexibility among the above-mentioned prior art.
A first aspect of an embodiment of the present application provides a scraper device, including blade holder, connecting seat and scraper, the blade holder is provided with concave part, the connecting seat connect in the blade holder, the connecting seat is provided with bellying and fixed part, at least part of bellying is located in the concave part, just the connecting seat can pass through the bellying is followed concave part rotates, the fixed part with the blade holder is connected, the scraper connect in the connecting seat is kept away from one side of blade holder, wherein, the fixed part is followed the axial extension of connecting seat, just the fixed part can for the blade holder upset.
In one possible design, the groove portion is an arc-shaped groove, the protrusion portion is an arc-shaped protrusion matched with the groove portion, and the connecting seat rotates along the groove portion within a set angle range through the protrusion portion.
In one possible design, the set angle ranges from 0 ° to 180 °.
In a possible design, the fixing portion is provided with an arc-shaped hole, the tool apron is provided with a fixing hole, and the fixing portion and the tool apron are connected in a matched mode through the arc-shaped hole, the fixing hole and the fastening piece.
In a possible design, the scraper device further includes a shielding member, and the shielding member is connected to two ends of the cutter holder and shields two ends of the scraper.
In a possible design, the scraper device further comprises a mounting bracket, the mounting bracket is provided with a plurality of mounting holes, the shielding piece is provided with a strip-shaped hole, the mounting bracket is fixedly connected with the cutter holder, and the mounting bracket is connected with the shielding piece through the mounting holes in a matching manner with the strip-shaped hole and the fastener.
In a possible design, the shielding member includes a body and an installation portion, the body is relative to the installation portion is bent, the installation portion is connected with the installation support, and the body shields at the scraper is along the axial both ends of the scraper device.
In one possible design, the mounting bracket includes a first connecting portion and a second connecting portion, the second connecting portion is bent relative to the first connecting portion, the first connecting portion is provided with a convex block, the blade holder is provided with a concave portion, the first connecting portion is disposed in the concave portion, the convex block is connected with the concave portion in an abutting manner, and the second connecting portion is connected with the blade holder in an abutting manner along two axial sides of the scraper device.
In a possible design, the scraper device further comprises a scraper pressing plate, the connecting seat is far away from one side of the cutter holder is provided with a mounting groove, the scraper pressing plate is arranged in the mounting groove and connected with the connecting seat, at least part of the scraper is positioned in the mounting groove, and the scraper pressing plate is clamped between the connecting seat and the scraper pressing plate.
According to a second aspect of the embodiments of the present application, there is provided a printing apparatus for a photovoltaic cell sheet, the printing apparatus for a photovoltaic cell sheet includes a base and the scraper device of any one of the above embodiments, and the scraper device is installed on the base.
In this application, the connecting seat can be followed the concave part through the bellying and rotated, thereby make the connecting seat can drive the scraper and rotate for the blade holder, make and form different contained angles between scraper and the printing wire side, scraper angular adjustment flexibility is higher, thereby make the user can be according to the production demand, adjust the angle between scraper and the printing wire side by oneself, increase the adjustment range of the wet weight of printing, with the thick liquids of matcing different characteristics, thereby line index management and control are produced to better completion, improve the product percent of pass, and need not to change the scraper, printing efficiency is improved, the demand of purchasing the multiple model scraper of all the other angles has also been reduced, and production cost is saved. Simultaneously, the fixed part can improve the rotation efficiency of connecting seat for the blade holder upset, and the connecting seat of also being convenient for is fixed with the blade holder relatively, improves the joint strength between connecting seat and the blade holder. At the connecting seat for blade holder pivoted in-process, the fixed part can be towards the direction upset of keeping away from the blade holder, can reduce the friction between connecting seat and the blade holder to improve the cooperation effect between boss and the concave part, make the connecting seat change and rotate for the blade holder, reduce the regulation degree of difficulty. When adjusting the scraper to required angle when printing, overturn fixed part towards blade holder one side, can make fixed part and blade holder fixed connection, thereby can make connecting seat and blade holder relatively fixed, thereby make the angle between scraper and the printing wire side fixed, can avoid changing at printing in-process scraper angle, influence the printing wet weight, and fixed part and blade holder contact have increased the area of contact of connecting seat and blade holder, the joint strength of fixed part and blade holder has been improved, improve the structural stability and the reliability of scraper device.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
FIG. 1 is a schematic illustration of a doctor apparatus provided herein in one embodiment;
FIG. 2 is a schematic view of a portion of the doctor apparatus of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at B;
FIG. 4 is a schematic diagram of the structure of FIG. 3 in another embodiment;
FIG. 5 is an enlarged view of a portion of FIG. 1 at A;
FIG. 6 is a schematic view of a portion of the construction of the doctor apparatus of FIG. 1;
fig. 7 is a schematic structural diagram of a scraper in fig. 1 in another embodiment.
Reference numerals are as follows:
1, a tool apron;
11-groove section;
12-a fixation hole;
13-a recess;
14-connecting holes;
2-a connecting seat;
21-a boss;
22-a fixed part;
221-arc-shaped holes;
23-platen attachment holes;
24-stud holes;
3-a shield;
31-a body;
32-a mounting portion;
321-strip-shaped holes;
4, mounting a bracket;
41-a first connection;
411-bumps;
42-a second connection;
421-mounting hole;
5-scraper pressing plate;
51-a first via;
52-a second via;
6-a fastener;
7-a scraper;
71-third via;
72-a fourth via;
73-a scraper connection;
74-a cutter body;
8-connecting piece.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
When the force provided by the photovoltaic cell piece printing equipment to the scraper is fixed, the larger the scraper angle is, the larger the positive pressure (force vertical to the printing screen) applied to the printing screen by the scraper is, the lower the printing wet weight is, and the smaller the scraper angle is, the smaller the positive pressure applied to the printing screen by the scraper is, and the higher the printing wet weight is.
The embodiment of the application provides a scraper device, as shown in fig. 1-3, including the blade holder, connecting seat and scraper, blade holder 1 is provided with concave part 11, connecting seat 2 is connected in blade holder 1, connecting seat 2 is provided with bellying 21 and fixed part 22, at least part of bellying 21 is located concave part 11, and connecting seat 2 can rotate along concave part 11 through bellying 21, fixed part 22 is connected with blade holder 1, scraper 7 is connected in one side that blade holder 1 was kept away from to connecting seat 2, wherein, fixed part 22 extends along the axial of connecting seat 2, and fixed part 22 can overturn for blade holder 1.
In this embodiment, as shown in fig. 1-3, connecting seat 2 of scraper device can rotate along concave part 11 through bellying 21, thereby make connecting seat 2 can drive scraper 7 and rotate for blade holder 1, make to form different contained angles between scraper 7 and the printing wire side, scraper angle modulation flexibility is higher, thereby make the user can be according to the production demand, adjust the angle between scraper 7 and the printing wire side by oneself, increase the adjustment range of the wet heavy weight of printing, with the thick liquids of matcing different characteristics, thereby line index management and control is produced in better completion, improve the product percent of pass, and need not to change scraper 7, and the printing efficiency is improved, the demand of purchasing the multiple model scraper of all the other angles has also been reduced, and the production cost is saved. Simultaneously, fixed part 22 can improve the rotation efficiency of connecting seat 2 for the upset of blade holder 1, also is convenient for connecting seat 2 and blade holder 1 relatively fixed, improves the joint strength between connecting seat 2 and the blade holder 1. At connecting seat 2 for blade holder 1 pivoted in-process, fixed part 22 can reduce the friction between connecting seat 2 and the blade holder 1 towards the direction upset of keeping away from blade holder 1 to improve the cooperation effect between boss 21 and the concave part 11, make connecting seat 2 change and rotate for blade holder 1, reduce the regulation degree of difficulty. When adjusting scraper 7 to required angle when printing, overturn fixed part 22 towards blade holder 1 one side, can make fixed part 22 and blade holder 1 fixed connection, thereby can make connecting seat 2 and blade holder 1 relatively fixed, thereby make the angle between scraper 7 and the printing wire side fixed, can avoid changing at printing in-process scraper angle, influence the printing wet weight, and fixed part 22 has increased the area of contact of connecting seat 2 with blade holder 1 with the contact of blade holder 1, the joint strength of fixed part 22 with blade holder 1 has been improved, improve scraper device's structural stability and reliability.
Wherein, fixed part 22 sets up for 2 axial both ends symmetries of connecting seat to further improve the relatively fixed effect of connecting seat 2 and blade holder 1, and connecting seat 2 can be the integrated into one piece structure, and fixed part 22 is the sheet that can buckle promptly, in order to reduce the fit clearance between the main part of fixed part 22 and connecting seat 2, prevents that connecting seat 2 from rocking for blade holder 1 production. Of course, the fixing portion 22 may also be connected to the main body of the connector holder 2 through a rotating shaft or other parts, so that the fixing portion 22 is more easily turned over, the bending fatigue of the fixing portion 22 is reduced, and the service life of the connector holder 2 is prolonged, which is not limited herein.
In one embodiment, as shown in fig. 2 and 3, the groove portion 11 is an arc-shaped groove, the protrusion portion 21 is an arc-shaped protrusion matching with the groove portion 11, and the connecting seat 2 is rotated along the groove portion 11 within a set angle range by the protrusion portion 21.
In this embodiment, as shown in fig. 2 and fig. 3, the groove portion 11 is an arc-shaped groove, the protruding portion 21 is an arc-shaped protrusion engaged with the groove portion 11, the friction force generated when the protruding portion 21 rotates along the groove portion 11 can be reduced, and the protruding portion 21 can be more attached to the groove portion 11, so that the connecting seat 2 can drive the scraper 7 to rotate or stop within a set angle range, the angle adjustment range of the scraper 7 is improved, the gap between the protruding portion 21 and the groove portion 11 is reduced, it is avoided that the connecting seat 2 rocks relative to the tool apron 1 in the printing process, the printing quality is affected, and the structural stability of the scraper device in the printing process is improved.
The groove portion 11 may also be a groove with another shape, and the protruding portion 21 may also be a protrusion with another shape, for example, the groove portion 11 may be correspondingly provided with a plurality of clamping recesses at a common angle position, and the protruding portion 21 may be correspondingly provided with a plurality of clamping protruding blocks matched with the clamping recesses, so as to improve the scraper angle adjustment efficiency, which is not limited herein.
In addition, an indication mark may be provided on a side surface of the protrusion 21, and an angle scale may be provided at a position corresponding to the groove 11 on the side of the holder 1 to facilitate the angle adjustment.
In one embodiment, as shown in fig. 1 to 3, the set angle ranges from 0 ° to 180 °.
In this embodiment, when the blade angle is less than 0 ° or greater than 180 °, the blade 7 cannot contact the printing screen, and thus does not have a printing function. Therefore, when the set angle range is 0 ° to 180 °, the doctor angle of the doctor blade 7 can be set to 0 ° to 180 °, and the doctor blade device can be provided with the printing function.
Wherein, preferred angle regulation scope is 30 ~ 90 to make the scraper angle can adjust wantonly between 30 ~ 90, adjust the wet weight of brush with the characteristic that matches most thick liquids, thereby better completion is produced line index management and control.
In a specific embodiment, as shown in fig. 3, the fixing portion 22 is provided with an arc-shaped hole 221, the tool holder 1 is provided with a fixing hole 12, and the fixing portion 22 and the tool holder 1 are cooperatively connected through the arc-shaped hole 221, the fixing hole 12 and the fastening member 6.
In this embodiment, as shown in fig. 3, when adjusting scraper 7 to the required angle of printing, need to overturn fixed part 22 towards blade holder 1 one side, make fixed part 22 fixed with blade holder 1, the setting of arc hole 221 on the fixed part 22 has increased the cooperation connection scope of fixed part 22 with blade holder 1, can guarantee that connecting seat 2 rotates the back for blade holder 1, fixed part 22 still can be fixed through fixed orifices 12 cooperation fastener 6 on arc hole 221 and the blade holder 1, realizes the fixed action.
The fastening member 6 may be a connecting member such as a screw or a hexagon bolt, and is connected to the fixing hole 12 in a matching manner, which is not limited herein.
In addition, the shape of the fixing portion 22 may be rectangular, trapezoidal, circular, or the like, so as to improve the effect of the fixing portion 22 and the tool holder 1 being connected in a matching manner after the connecting seat 2 rotates relative to the tool holder 1, which is not limited herein.
In another embodiment, as shown in fig. 4, the fixing holes 12 may be disposed in a plurality of, a plurality of fixing holes 12 are disposed at intervals, and the plurality of fixing holes 12 are disposed along the connecting seat 2 corresponding to the arc-shaped hole 221 in the rotating process of the tool apron 1, so as to further improve the matching range between the arc-shaped hole 221 and the fixing holes 12, and further reduce the size of the arc-shaped hole 221, so as to improve the deformation resistance of the fixing portion 22, thereby improving the fixing effect.
In a specific embodiment, as shown in fig. 1 and 5, the scraper device further comprises a shielding member 3, and the shielding member 3 is connected to two ends of the knife holder 1 and shields two ends of the scraper 7 along the axial direction of the scraper device.
In this embodiment, as shown in fig. 1 and 5, shielding member 3 can block that printing in-process thick liquids flow to scraper 7 both sides and spill over, prevent that thick liquids from trickling outside the printing scope, the printing quality has been guaranteed, and can retrieve the thick liquids that spill over along scraper 7 both sides, the waste of thick liquids has been reduced, and simultaneously, need not the manual work and frequently collect the thick liquids that flow along scraper 7 both sides, thereby can avoid the artifical risk that collects thick liquids and lead to the printing wire side to damage, in addition, the probability that artifical interference has also reduced thick liquids pollution has been reduced, the printing quality is improved, and the cost is saved.
In a specific embodiment, as shown in fig. 1 and 5, the scraper device further includes a mounting bracket 4, the mounting bracket 4 is provided with a plurality of mounting holes 421, the shielding member 3 is provided with a strip-shaped hole 321, the mounting bracket 4 is fixedly connected with the cutter holder 1, and the mounting bracket 4 and the shielding member 3 are connected by the mounting holes 421, the strip-shaped hole 321 and the fastening member 6 in a matching manner.
In this embodiment, as in fig. 1 and 5, the shielding member 3 is connected to the tool apron 1 through the mounting bracket 4, and the height position of the shielding member 3 relative to the printing screen surface that can make by the arrangement of the strip-shaped hole 321 on the shielding member 3 can be flexibly adjusted, so that the pressure of the scraping return material of the shielding member 3 is adjusted, the printing screen surface is prevented from being damaged due to too large pressure on the printing screen surface while the effect of recovering the slurry is ensured, and the printing quality is further improved. Simultaneously, at the high in-process of adjusting shielding piece 3, the cooperation of bar hole 321 and mounting hole 421 can be increased in the setting of a plurality of mounting holes 421, makes shielding piece 3 can pass through fastener 6 cooperation with one or more in a plurality of mounting holes 421 and is connected, improves shielding piece 3's fixed effect, can also further improve shielding piece 3's high control range to line index management and control is produced in better completion.
In one embodiment, as shown in fig. 5, the shielding member 3 includes a body 31 and a mounting portion 32, the body 31 is bent relative to the mounting portion 32, the mounting portion 32 is connected to the mounting bracket 4, and the body 31 shields two ends of the scraper 7 along the axial direction of the scraper device.
In this embodiment, as shown in fig. 5, the installation portion 32 of the shielding member 3 is perpendicular to the operation direction of the scraper 7, and the body 31 is parallel to the operation direction of the scraper 7, so that it can be ensured that the body 31 can prevent the shielding member 3 from sliding along the operation direction of the scraper 7 while the slurry flows and overflows to the two sides of the scraper 7 in the printing process, the fixing effect of the shielding member 3 is improved, the scraping area of the shielding member 3 can be increased, and the shielding member 3 is prevented from damaging the printing screen surface.
In one embodiment, as shown in fig. 1 and 5, the mounting bracket 4 includes a first connecting portion 41 and a second connecting portion 42, the second connecting portion 42 is bent relative to the first connecting portion 41, the first connecting portion 41 is provided with a protrusion 411, the blade holder 1 is provided with a recess 13, the first connecting portion 41 is disposed in the recess 13, the protrusion 411 is connected to the recess 13 in an abutting manner, and the second connecting portion 42 is connected to the blade holder 1 in an abutting manner along two sides of the axial direction of the blade apparatus.
In this embodiment, as shown in fig. 1 and 5, the first connecting portion 41 is disposed in the recessed portion 13, and the protrusion 411 can increase the contact area between the first connecting portion 41 and the side wall of the recessed portion 13, so as to prevent the mounting bracket 4 from sliding along the operation direction of the scraper 7, prevent the shielding member 3 mounted on the mounting bracket 4 from generating displacement along the operation direction of the scraper 7, improve the fixing effect of the shielding member 3, ensure the material returning effect of the shielding member 3, and improve the structural stability of the scraper device.
The first connecting portion 41 is located in the recess 13, and can be fixedly connected to the tool holder 1 through the fastening member 6, and the through hole of the first connecting portion 41 can penetrate through the protrusion 411, so as to prevent the first connecting portion 41 from being deformed or damaged in the fixing process. Of course, the through hole may be disposed at other positions of the first connection portion 41, and is not limited herein.
In addition, the thickness of the first connecting portion 41 can be increased to increase the contact area between the first connecting portion 41 and the recess 13 and the deformation resistance of the first connecting portion 41, so as to improve the structural stability of the mounting bracket.
In addition, the mounting hole 421 may be provided on a surface of the second connection portion 42 parallel to the mounting portion 32.
In an embodiment, as shown in fig. 6, the scraper device further includes a scraper pressing plate 5, a mounting groove is disposed on a side of the connecting seat 2 away from the scraper seat 1, the scraper pressing plate 5 is disposed in the mounting groove and connected to the connecting seat 2, and at least a portion of the scraper 7 is disposed in the mounting groove and sandwiched between the scraper pressing plate 5 and the connecting seat 2.
In this embodiment, as shown in fig. 6, the scraper pressing plate 5 is located in the installation groove, so that the compactness of the scraper device can be improved, and the volume of the scraper device can be reduced, thereby saving the occupied space of the scraper device. The scraper connecting portion 73 of the scraper 7 is clamped between the scraper pressing plate 5 and the knife holder 1, so that the deformation of the scraper body 74 can be prevented, the scraping uniformity of the scraper body can be improved, the connecting strength between the scraper 7 and the connecting seat 2 can be improved, the change of the angle of the scraper 7 in the printing process can be prevented, and the fixing effect of the scraper 7 can be improved.
The scraper connecting structure comprises a connecting seat 2, a scraper pressing plate 5, a plurality of pressing plate connecting holes 23, a plurality of upright post holes 24, a plurality of second through holes 52, a plurality of first through holes 51, a plurality of fourth through holes 72, a plurality of third through holes 71, a scraper connecting portion 73 of the scraper 7, and a fastener 6, wherein the scraper connecting hole 23, the fourth through hole 72, the second through hole 52, the upright post holes 24, the third through holes 71 and the first through holes 51 are arranged on the connecting seat 2 in a corresponding mode, and the scraper 7 is fixed between the scraper pressing plate 5 and the connecting seat 2.
The plurality of pressing plate connecting holes 23, the upright post holes 24, the second through hole 52, the first through hole 51, the fourth through hole 72 and the third through hole 71 are all symmetrically arranged along the axial direction of the scraper device.
In another embodiment, as shown in fig. 7, the scraper connecting portion 73 of the scraper 7 may be provided with a protrusion facing away from the scraper body 74, the protrusion corresponds to the positions of the first through hole 51 and the column hole 24, and the scraper connecting portion 73 may be provided with a third through hole 71 only at the protrusion position, so that the fastener 6 may sequentially pass through the press plate connecting hole 23 and the second through hole 52, or sequentially pass through the column hole 24, the third through hole 71 and the first through hole 51 to be locked and connected, so that the scraper 7 is fixed between the scraper press plate 5 and the connecting seat 2, and while the fixing effect of the scraper 7 is ensured, the scraper 7 may be removed and replaced by only removing the fastener 6 at the position corresponding to the third through hole 71 in the process of replacing the scraper 7 after the scraper 7 is damaged, thereby improving the later-stage maintenance efficiency of the scraper 7.
The scraper 7 may be an integrally formed structure to reduce the manufacturing cost of the scraper 7.
The embodiment of the application further provides a photovoltaic cell piece printing device which comprises a base and the scraper device of any one of the above embodiments, and the scraper device is installed on the base. Due to the technical effects of the scraper device, the photovoltaic cell printing equipment comprising the scraper device also has the corresponding technical effects, and the details are not repeated herein.
Wherein, a connecting hole 14 can be arranged on the tool apron 1, so that the tool apron 1 and the base of the scraper device are locked and connected through a connecting piece 8. Of course, the doctor device can also be snapped, snapped or otherwise connected to the base by means of the blade holder 1, without this being limiting.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A doctor apparatus, comprising:
the tool holder (1), the tool holder (1) is provided with a groove part (11);
the connecting seat (2), the connecting seat (2) is connected to the tool apron (1), the connecting seat (2) is provided with a protruding portion (21) and a fixing portion (22), at least part of the protruding portion (21) is located in the groove portion (11), the connecting seat (2) can rotate along the groove portion (11) through the protruding portion (21), and the fixing portion (22) is connected with the tool apron (1);
the scraper (7) is connected to one side, away from the cutter holder (1), of the connecting seat (2);
the fixing part (22) extends along the axial direction of the connecting seat (2), and the fixing part (22) can turn over relative to the tool apron (1).
2. A scraper device according to claim 1, characterized in that the groove portion (11) is an arc-shaped groove, the protrusion portion (21) is an arc-shaped protrusion matching with the groove portion (11), and the connecting holder (2) is rotated along the groove portion (11) within a set angle range by the protrusion portion (21).
3. Doctor apparatus according to claim 2, characterised in that the set angle ranges from 0 ° to 180 °.
4. Doctor arrangement according to claim 1, characterized in that the fixing portion (22) is provided with an arc-shaped hole (221), and the holder (1) is provided with a fixing hole (12);
the fixing part (22) and the tool apron (1) are connected in a matched mode through the arc-shaped hole (221), the fixing hole (12) and the fastening piece (6).
5. Doctor apparatus according to claim 1, characterised in that it further comprises shields (3), which shields (3) are connected to both ends of the holder (1) and shield both ends of the doctor blade (7) in the axial direction of the doctor apparatus.
6. A doctor apparatus according to claim 5, characterized in that it further includes a mounting bracket (4), the mounting bracket (4) being provided with a plurality of mounting holes (421), the shutter (3) being provided with a strip-shaped hole (321);
the mounting bracket (4) is fixedly connected with the tool apron (1);
the mounting bracket (4) and the shielding piece (3) are connected in a matching way through the mounting hole (421), the strip-shaped hole (321) and the fastener (6).
7. Doctor arrangement according to claim 6, characterized in that the shutter (3) comprises a body (31) and a mounting portion (32), the body (31) being bent relative to the mounting portion (32);
the mounting part (32) is connected with the mounting bracket (4);
the body (31) is shielded at two ends of the scraper (7) along the axial direction of the scraper device.
8. A doctor apparatus according to claim 6, characterized in that the mounting bracket (4) comprises a first connecting portion (41) and a second connecting portion (42), the second connecting portion (42) being bent in relation to the first connecting portion (41), the first connecting portion (41) being provided with a projection (411), the holder (1) being provided with a recess (13);
the first connecting part (41) is arranged in the concave part (13), and the convex block (411) is connected with the concave part (13) in an abutting mode;
the second connecting portion (42) is connected with the tool apron (1) in an abutting mode along two axial sides of the scraper device.
9. The scraper device of claim 1, characterized in that the scraper device further comprises a scraper pressure plate (5), and a mounting groove is arranged on one side of the connecting seat (2) away from the cutter holder (1);
the scraper pressing plate (5) is arranged in the mounting groove and is connected with the connecting seat (2);
at least part of the scraper (7) is positioned in the mounting groove and is clamped between the scraper pressing plate (5) and the connecting seat (2).
10. A photovoltaic cell printing apparatus, comprising a base and the doctor blade device of any one of claims 1 to 9, wherein the doctor blade device is mounted to the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222852418.8U CN218399803U (en) | 2022-10-27 | 2022-10-27 | Scraper device and photovoltaic cell piece lithography apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222852418.8U CN218399803U (en) | 2022-10-27 | 2022-10-27 | Scraper device and photovoltaic cell piece lithography apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218399803U true CN218399803U (en) | 2023-01-31 |
Family
ID=85004999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222852418.8U Active CN218399803U (en) | 2022-10-27 | 2022-10-27 | Scraper device and photovoltaic cell piece lithography apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN218399803U (en) |
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2022
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