Scraper assembly and coating apparatus

Abstract

The utility model belongs to the field of coating machine especially relates to a scraper subassembly and coating equipment, wherein scraper subassembly, include: scraper base piece, its top surface is provided with recess, is provided with soft support part in the recess, the top surface of soft support part is provided with V type through slot of adapting with coating knife, V type gap is seted up on the both side walls of scraper base piece, V type gap and V type through slot end part correspond, the both sides of recess all are provided with the pressing mechanism, when wiping part is placed in V type through slot, the both ends of wiping part are pressed tightly by corresponding pressing mechanism after stretching out soft support part, and then realize wiping part compression, avoid wiping part movement when wiping coating knife, ensure that coating knife is wiped clean.

Description

Technical Field

[0001] This utility model belongs to the field of coating machines, and particularly relates to a doctor blade assembly and coating equipment. Background Technology

[0002] During the coating process of perovskite solar cells, the bottom of the coating blade may be covered with solution, which can affect subsequent coating. Related technologies require wiping the coating blade, but it is impossible to wipe the coating blade clean, resulting in uneven coating afterward.

[0003] Therefore, to address the technical problem of uneven coating caused by unclean coating blades, a doctor blade assembly and coating equipment need to be designed.

[0004] It should be noted that the information disclosed in this background section is only for understanding the background technology of this application concept, and therefore, the above description is not considered to constitute prior art information. Utility Model Content

[0005] This disclosure provides at least one doctor blade assembly and coating equipment.

[0006] In a first aspect, embodiments of this disclosure provide a scraper assembly, including: The scraper base has a groove on its top surface, and a soft support part is provided in the groove. The top surface of the soft support part has a V-shaped through groove that is compatible with the coating blade. The soft support portion is adapted to support the wiping portion so as to adjust the height of the wiping portion; The scraper base block has V-shaped notches on both sides, and the V-shaped notches correspond to the ends of the V-shaped through grooves; Both sides of the groove are provided with a pressing mechanism to press the wiping parts extending from both ends of the soft support part.

[0007] In one alternative embodiment, the clamping mechanism includes: a hinged seat; The hinge seat is connected to the side wall of the scraper base block, which has a V-shaped notch; A pressure plate is rotatably connected to the hinge seat. The bottom surface of the pressure plate is provided with several protruding strips, and a rubber block is provided between adjacent protruding strips.

[0008] In one optional embodiment, pressing grooves are provided on both sides of the groove, and the pressing grooves correspond to and are adapted to the protrusions; Both the protruding strip and the pressing groove have V-shaped cross-sections.

[0009] In one alternative embodiment, a latch is provided at the end of the pressure plate away from the hinge seat; The scraper base block is provided with a latch corresponding to the buckle; The latch is adapted to connect with the buckle so that the protrusion is pressed into the corresponding clamping groove.

[0010] In one alternative embodiment, the scraper base block is slidably disposed within a mounting groove opened on the scraper base plate.

[0011] In one optional embodiment, a limiting groove is vertically formed on the side wall of the scraper base, and the bottom end of the limiting groove is open. A limiting block corresponding to the limiting groove is vertically arranged on the inner wall of the mounting groove.

[0012] In one optional embodiment, extension plates are provided on both sides of the scraper base plate, and the bottom surface of the extension plates is connected to the support plate by a number of springs.

[0013] Secondly, embodiments of this disclosure also provide a coating apparatus, comprising: The coating knife, and the aforementioned scraper assembly; The bottom of the coating blade extends into the scraper assembly for cleaning.

[0014] In one optional embodiment, the scraper assembly includes: a scraper base block with a groove on its top surface, a soft support portion disposed in the groove, and a V-shaped through groove adapted to the coating blade on the top surface of the soft support portion. The scraper base block has V-shaped notches on both sides, and the V-shaped notches correspond to the ends of the V-shaped through grooves; Both sides of the groove are provided with a pressing mechanism to press the wiping parts extending from both ends of the soft support part.

[0015] In one alternative embodiment, the clamping mechanism includes: a hinged seat; The hinge seat is connected to the side wall of the scraper base block, which has a V-shaped notch; A pressure plate is rotatably connected to the hinge seat. The bottom surface of the pressure plate is provided with several protruding strips, and a rubber block is provided between adjacent protruding strips. Both sides of the groove are provided with pressing grooves, which correspond to and fit the protrusions; Both the protruding strip and the pressing groove have V-shaped cross-sections.

[0016] The beneficial effects of this utility model are as follows: the scraper assembly includes: a scraper base block with a groove on its top surface, a soft support part disposed in the groove, and a V-shaped through groove adapted to the coating blade on the top surface of the soft support part; V-shaped notches are provided on both side walls of the scraper base block, and the V-shaped notches correspond to the ends of the V-shaped through groove; a pressing mechanism is provided on both sides of the groove. When the wiping part is placed in the V-shaped through groove, the two ends of the wiping part extend out of the soft support part and are pressed by the corresponding pressing mechanism, thereby pressing the wiping part and preventing the wiping part from moving when wiping the coating blade, ensuring that the coating blade is wiped clean.

[0017] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention are realized and obtained through the structures particularly pointed out in the description and the accompanying drawings.

[0018] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of a scraper assembly provided in an embodiment of the present disclosure; Figure 2 This is a schematic diagram of the structure of a scraper base block provided in an embodiment of the present disclosure; Figure 3 This is a schematic diagram of a clamping mechanism provided in an embodiment of the present disclosure; Figure 4 This is a schematic diagram of the coating knife wiping process provided in an embodiment of this disclosure.

[0021] In the picture: 1. Scraper base block, 11. Groove, 12. V-shaped notch, 13. Pressing through groove, 14. Limiting groove; 2 soft support sections, 21 V-shaped through grooves; 3. Clamping mechanism, 31. Hinge seat, 32. Pressure plate, 33. Protruding strip, 34. Rubber block, 35. Buckle, 36. Lock; 4 scraper base plate, 41 mounting groove, 42 limit block, 43 extension plate, 44 spring; 5 support plates; 6. Coating knife; 7. Wiping section. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0023] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” etc., generally refer to the fact that a particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of this disclosure. Therefore, a particular feature, structure, or characteristic can be included in more than one embodiment of this disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms “example,” “exemplary,” etc., are used to “serve as an example, instance, or illustration.” Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. Rather, the use of the terms “example,” “exemplary,” etc., is intended to present concepts in a specific manner.

[0024] During the coating process of perovskite solar cells, the bottom of the coating blade may be covered with solution, which can affect subsequent coating. Related technologies require wiping the coating blade, but it is impossible to wipe the coating blade clean, resulting in uneven coating afterward.

[0025] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0026] The following detailed description, with reference to the accompanying drawings, describes some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0027] like Figure 1 and Figure 2As shown, at least one disclosed embodiment provides a scraper assembly, including: a scraper base 1, the top surface of which has a groove 11, a soft support part 2 is disposed in the groove 11, and the top surface of the soft support part 2 has a V-shaped through groove 21 adapted to the coating blade 6; the soft support part 2 is adapted to support the wiping part 7 to adjust the height of the wiping part 7; V-shaped notches 12 are provided on both sides of the scraper base 1, and the V-shaped notches 12 correspond to the ends of the V-shaped through groove 21; a pressing mechanism 3 is provided on both sides of the groove 11 to press the wiping part 7 extending from both ends of the soft support part 2 respectively; when the wiping part 7 is placed in the V-shaped through groove 21, the two ends of the wiping part 7 extend out of the soft support part 2 and are pressed by the corresponding pressing mechanism 3, thereby pressing the wiping part 7, preventing the wiping part 7 from moving when wiping the coating blade 6, and ensuring that the coating blade 6 is wiped clean.

[0028] In this embodiment, the soft support part 2 can be a sponge. The soft support part 2 provides soft support for the wiping part 7 to adjust the height of the wiping part 7, and the V-shaped through groove 21 can increase the contact area between the wiping part 7 and the coating blade 6.

[0029] In this embodiment, the wiping part 7 can be embedded in the V-shaped through groove 21, the soft support part can support the wiping part 7, and the coating blade 6 can be embedded in the V-shaped through groove 21 and contact the wiping part 7.

[0030] In this embodiment, the wiping part 7 can be non-woven fabric, dust-free cloth, soft cotton cloth, etc., preferably dust-free cloth, which can wipe the coating knife 6 with high cleanliness and without damaging the coating knife 6.

[0031] like Figure 3 As shown, in an optional embodiment, the clamping mechanism 3 includes: a hinge seat 31; the hinge seat 31 is connected to the side wall of the scraper base block 1 with a V-shaped notch 12; a pressure plate 32 is rotatably connected to the hinge seat 31, and the bottom surface of the pressure plate 32 is provided with a number of protrusions 33, and a rubber block 34 is provided between adjacent protrusions 33.

[0032] In this embodiment, the pressure plate 32 is rotatably connected to the hinge seat 31, allowing the pressure plate 32 to open and close. When the pressure plate 32 is open, a new wiping part 7 can be placed in the V-shaped through groove 21, or the wiping part 7 that has finished wiping can be removed. When the pressure plate 32 is pressed down, the protrusion 33 enters the pressing through groove 13 to press the wiping part 7 tightly, and the rubber block 34 contacts the wiping part 7 to increase friction, so as to prevent the wiping part 7 from sliding during the wiping of the coating knife 6, and ensure that the coating knife 6 is wiped clean.

[0033] In this embodiment, the V-shaped notch 12 can prevent the coating blade 6 from moving during the wiping process, so that the coating blade 6 can be completely wiped clean.

[0034] In this embodiment, after the coating blade 6 enters and contacts the wiping part 7 in the V-shaped through groove 21, the entire scraper assembly can be moved to wipe the coating blade 6 clean.

[0035] like Figure 1 As shown, in an optional embodiment, a pressing groove 13 is provided on both sides of the groove 11, and the pressing groove 13 corresponds to and is adapted to the protrusion 33; the cross-section of the protrusion 33 and the pressing groove 13 are both V-shaped.

[0036] In this embodiment, both ends of the wiping part 7 are pressed by the corresponding pressing mechanism 3 to prevent the wiping part 7 from sliding.

[0037] In this embodiment, when the wiping part 7 is placed in the V-shaped through groove 21, the pressure plate 32 can close the protrusion 33 to press both ends of the wiping part 7 into the pressing through groove 13, thereby pressing the wiping part 7 tightly to prevent the wiping part 7 from sliding during the wiping of the coating knife 6.

[0038] like Figure 1 As shown, in one optional embodiment, the end of the pressure plate 32 away from the hinge seat 31 is provided with a buckle 35; the scraper base block 1 is provided with a latch 36 corresponding to the buckle 35; the latch 36 is adapted to connect with the buckle 35 so that the protrusion 33 is pressed into the corresponding pressing groove 13.

[0039] In this embodiment, when the pressure plate 32 is closed, that is, after the protrusion 33 enters the pressing groove 13, the pressure plate 32 is locked by the latch 36 and the buckle 35, so as to prevent the pressure plate 32 from loosening during the wiping of the coating knife 6 and causing the wiping part 7 to loosen.

[0040] like Figure 1 As shown, in one optional embodiment, the scraper base block 1 is slidably disposed in the mounting groove 41 opened on the scraper base plate 4.

[0041] like Figure 1 As shown, in one optional embodiment, a limiting groove 14 is vertically formed on the side wall of the scraper base block 1, and the bottom end of the limiting groove 14 is open; a limiting block 42 corresponding to the limiting groove 14 is vertically formed on the inner wall of the mounting groove 41.

[0042] In this embodiment, the scraper base block 1 can be directly inserted into the mounting slot 41 to complete the installation of the scraper base block 1. When it is necessary to disassemble the scraper base block 1, the scraper base block 1 can be directly pulled out from the mounting slot 41, which facilitates the quick disassembly of the scraper base block 1.

[0043] like Figure 1 As shown, in one optional embodiment, extension plates 43 are provided on both sides of the scraper base plate 4, and the bottom surface of the extension plates 43 is connected to the support plate 5 by a plurality of springs 44.

[0044] In this embodiment, the scraper base plate 4 can be made to float by setting spring 44, which can ensure that the wiping part 7 is in close contact with the coating blade 6 during the wiping process, making it easy to wipe the coating blade 6 clean.

[0045] like Figure 4 As shown, in this embodiment, when it is necessary to wipe the coating blade 6, the pressure plate 32 can be opened first, the wiping part 7 can be placed in the V-shaped through groove 21, and then the pressure plate 32 can be closed, that is, the pressure plate 32 is covered, the protrusion 33 enters the pressing through groove 13 to press the wiping part 7 tightly, and then the latch 36 is connected to the buckle 35 to lock the pressure plate 32. Then the scraper assembly is moved to wipe the coating blade 6. After moving back and forth several times, the pressure plate 32 is opened to replace the wiping part 7.

[0046] At least one other disclosed embodiment also provides a coating apparatus, including: a coating blade 6, and the aforementioned scraper assembly; the bottom of the coating blade 6 extends into the scraper assembly for cleaning.

[0047] In one optional embodiment, the scraper assembly includes: a scraper base 1 with a groove 11 on its top surface, a soft support part 2 disposed in the groove 11, and a V-shaped through groove 21 adapted to the coating blade 6 on the top surface of the soft support part 2; V-shaped notches 12 are provided on both side walls of the scraper base 1, and the V-shaped notches 12 correspond to the ends of the V-shaped through groove 21; a pressing mechanism 3 is provided on both sides of the groove 11, and when the wiping part 7 is placed in the V-shaped through groove 21, the two ends of the wiping part 7 extend out of the soft support part 2 and are pressed by the corresponding pressing mechanism 3.

[0048] In one optional embodiment, the clamping mechanism 3 includes: a hinge seat 31; the hinge seat 31 is connected to the side wall of the scraper base block 1 with a V-shaped notch 12; a pressure plate 32 is rotatably connected to the hinge seat 31, the bottom surface of the pressure plate 32 is provided with several protruding strips 33, and a rubber block 34 is provided between adjacent protruding strips 33; both sides of the groove 11 are provided with clamping through grooves 13, the clamping through grooves 13 correspond to and fit the protruding strips 33; the cross-section of the protruding strips 33 and the clamping through grooves 13 are both V-shaped.

[0049] In summary, this scraper assembly includes: a scraper base 1 with a groove 11 on its top surface, a soft support 2 inside the groove 11, and a V-shaped through groove 21 on the top surface of the soft support 2 that is adapted to the coating blade 6; V-shaped notches 12 on both sides of the scraper base 1, the V-shaped notches 12 corresponding to the ends of the V-shaped through groove 21; and a pressing mechanism 3 on both sides of the groove 11. When the wiping part 7 is placed in the V-shaped through groove 21, the two ends of the wiping part 7 extend out of the soft support 2 and are pressed by the corresponding pressing mechanism 3, thereby pressing the wiping part 7 and preventing the wiping part 7 from moving when wiping the coating blade 6, thus ensuring that the coating blade 6 is wiped clean.

[0050] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0051] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence unless expressly indicated herein. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer, or segment discussed above may be referred to as the second element, component, region, layer, or segment.

[0052] Spatially relative terms, such as “inside,” “outside,” “below,” “below,” “down,” “above,” “up,” etc., may be used herein to describe the relationship between one element or feature illustrated in the figures and another element or feature. In addition to the orientations depicted in the figures, spatially relative terms may be intended to cover different orientations of the device in use or operation. For example, if the device in the figure is flipped, an element described as “below” or “below” other elements or features would be oriented as “above” other elements or features. Thus, the example term “below” can cover both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein are interpreted accordingly.

[0053] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A scraper assembly, characterized in that, include: The scraper base block (1) has a groove (11) on its top surface. A soft support part (2) is provided in the groove (11). A V-shaped through groove (21) adapted to the coating blade (6) is provided on the top surface of the soft support part (2). The soft support part (2) is adapted to support the wiping part (7) so as to adjust the height of the wiping part (7); The scraper base block (1) has V-shaped notches (12) on both sides, and the V-shaped notches (12) correspond to the ends of the V-shaped through grooves (21); Both sides of the groove (11) are provided with pressing mechanisms (3) to press the wiping parts (7) extending from both ends of the soft support part (2).

2. The scraper assembly as described in claim 1, characterized in that, The clamping mechanism (3) includes: a hinge seat (31); The hinge seat (31) is connected to the side wall of the scraper base block (1) which has a V-shaped notch (12); A pressure plate (32) is rotatably connected to the hinge seat (31). The bottom surface of the pressure plate (32) is provided with several protrusions (33), and a rubber block (34) is provided between adjacent protrusions (33).

3. The scraper assembly as described in claim 2, characterized in that, Both sides of the groove (11) are provided with pressing grooves (13), which correspond to and are adapted to the protrusions (33); The cross-sections of the protrusion (33) and the pressing groove (13) are both V-shaped.

4. The scraper assembly as described in claim 2, characterized in that, The pressure plate (32) is provided with a buckle (35) at the end away from the hinge seat (31); The scraper base block (1) is provided with a latch (36) corresponding to the buckle (35); The latch (36) is adapted to connect with the buckle (35) so that the protrusion (33) is pressed into the corresponding pressing groove (13).

5. The scraper assembly as claimed in claim 1, characterized in that, The scraper base block (1) is slidably disposed in the mounting groove (41) opened on the scraper base plate (4).

6. The scraper assembly as claimed in claim 5, characterized in that, A limiting groove (14) is vertically formed on the side wall of the scraper base block (1), and the bottom end of the limiting groove (14) is open. The inner wall of the mounting groove (41) is vertically provided with a limiting block (42) corresponding to the limiting groove (14).

7. The scraper assembly as claimed in claim 6, characterized in that, The scraper base plate (4) is provided with extension plates (43) on both sides, and the bottom surface of the extension plates (43) is connected to the support plate (5) by several springs (44).

8. A coating apparatus, characterized in that, include: The coating blade (6) and the scraper assembly as claimed in claim 1; The bottom of the coating blade (6) extends into the scraper assembly for cleaning.

9. The coating equipment as described in claim 8, characterized in that, The scraper assembly includes: a scraper base block (1), with a groove (11) on its top surface, a soft support part (2) in the groove (11), and a V-shaped through groove (21) adapted to the coating blade (6) on the top surface of the soft support part (2). The scraper base block (1) has V-shaped notches (12) on both sides, and the V-shaped notches (12) correspond to the ends of the V-shaped through grooves (21); Both sides of the groove (11) are provided with pressing mechanisms (3) to press the wiping parts (7) extending from both ends of the soft support part (2).

10. The coating equipment as described in claim 9, characterized in that, The clamping mechanism (3) includes: a hinge seat (31); The hinge seat (31) is connected to the side wall of the scraper base block (1) which has a V-shaped notch (12); A pressure plate (32) is rotatably connected to the hinge seat (31). The bottom surface of the pressure plate (32) is provided with several protrusions (33), and a rubber block (34) is provided between adjacent protrusions (33). Both sides of the groove (11) are provided with pressing grooves (13), which correspond to and are adapted to the protrusions (33); The cross-sections of the protrusion (33) and the pressing groove (13) are both V-shaped.

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