Bar blade coating equipment

Abstract

The utility model belongs to the technical field of battery manufacturing, and discloses a bar blade coating device which comprises a blade coating table, a bar and a driving device, the blade coating table is used for placing base materials, the bar and the blade coating table are arranged at intervals, and the driving device is connected with the bar and used for driving the bar to rotate relative to the blade coating table. The bar blade coating equipment can solve the problems that an existing bar blade coating process is difficult to achieve uniform film thickness, particularly the larger the preparation area is, the more obvious the non-uniformity is, and the front end is thick and the rear end is thin inevitably, the function of preparing a uniform large-area film is achieved, and the bar blade coating equipment is simple in structure and low in cost. When different blade coating materials are replaced, a long pipeline does not need to be cleaned like a coating device, operation is convenient and fast, and production efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery manufacturing technical field especially relates to a wire bar scraping coating equipment. BACKGROUND

[0002] In recent years, with the continuous deepening of research, perovskite battery has made a great progress, and is praised as "the new hope in photovoltaic field". Although the efficiency of perovskite battery is constantly refreshed, the magnification and commercialization of the device still have many obstacles, and the preparation method of perovskite battery currently includes wire bar scraping coating process and coating process.

[0003] The advantage of wire bar scraping coating lies in: relatively low equipment cost, relatively fast production speed, suitable for large-scale production; can operate on different substrates, high flexibility. When replacing different materials for scraping coating, it is not necessary to clean a long pipeline as coating equipment, and fill liquid. The disadvantage lies in: it is difficult to realize uniform film thickness during preparation, and the phenomenon of thick front end and thin rear end inevitably occurs, thereby causing unstable process and affecting use effect.

[0004] The advantage of coating process lies in: it can realize more uniform film thickness, and is conducive to improving device performance and stability; suitable for preparing large-area, high-quality thin film. The disadvantage lies in: relatively high equipment cost, relatively slow preparation speed, not suitable for large-scale production; need more technology and operation experience, and operation difficulty is big; when replacing different materials for coating, operation is relatively complex, and process is complicated.

[0005] Therefore, it is urgent to provide a wire bar scraping coating equipment with simple process structure, convenient operation, high production efficiency and the ability to prepare uniform large-area thin film. UTILITY MODEL CONTENT

[0006] The utility model discloses a wire bar scraping coating equipment, the structure of the wire bar scraping coating equipment is simple, and the production efficiency is high, and uniform large-area thin film can be prepared.

[0007] To achieve this purpose, the utility model adopts the following technical scheme:

[0008] The utility model discloses a wire bar scraping coating equipment, including: scraping platform, the scraping platform is used to place the base material, wire bar, wire bar and the scraping platform interval arrangement, drive arrangement, drive arrangement links with wire bar, and is used to drive wire bar relative the rotation of scraping platform.

[0009] In some embodiments, the wire bar scraping coating equipment further includes: support seat, the support seat links with drive arrangement, height adjustment spare, height adjustment spare is installed in support seat, and is used to adjust the height of wire bar relative scraping platform.

[0010] In some specific embodiments, the height adjusting member comprises a digital display adjuster, an end of the digital display adjuster abuts against the wire bar; the wire bar coating device further comprises an elastic member, one end of the elastic member is connected to the wire bar, and the other end is connected to the support base.

[0011] In some more specific embodiments, the digital display adjuster is a plurality of digital display adjusters, the plurality of digital display adjusters are spaced apart along the axial direction of the wire bar; and / or the elastic member is a plurality of elastic members, the plurality of elastic members are spaced apart along the axial direction of the wire bar.

[0012] In some specific embodiments, the wire bar coating device further comprises an annular track arranged around the coating table, and the support base is provided with a sliding block matched with the annular track.

[0013] In some more specific embodiments, the support base comprises a support portion arranged in parallel with the wire bar and used for supporting the height adjusting member, and a connecting portion connected to the support portion and arranged towards the coating table, and the sliding block is arranged on the connecting portion.

[0014] In some embodiments, the wire bar coating device further comprises a machine table used for supporting the coating table, and the machine table is provided with a control panel electrically connected to the driving device and used for adjusting the rotating speed of the driving device.

[0015] In some specific embodiments, the wire bar coating device further comprises a support frame comprising a plurality of upright columns and a top frame, the top frame is arranged in parallel with the machine table and used for mounting the driving device, and each of the upright columns is connected to the top frame at one end and connected to the machine table at the other end.

[0016] In some more specific embodiments, the top frame has a cross beam inside, and the cross beam has a support beam arranged at the intersection, and the support beam is used for supporting the driving device.

[0017] In some specific embodiments, the surface of the coating table used for carrying the base material is square or circular, and the rotating axis of the wire bar passes through the geometric center of the coating table.

[0018] The wire bar scraping equipment has the advantages that in the actual working process, the base material is placed on the scraping table, the paint is added dropwise at the center of the base material, the driving device is started to drive the wire bar to rotate relative to the scraping table, the paint at the center is slowly spread outwards through the wire bar rotating different angles, the paint at the center is naturally extruded and spread outwards in the wire bar rotating process, and the paint is uniformly spread after rotating several rounds. Therefore, the wire bar scraping equipment can solve the problem that the existing wire bar scraping process is difficult to realize uniform film thickness, especially the larger the preparation area is, the more obvious the non-uniformity is, and the problem of inevitable generation of thick front end and thin rear end is solved, the function of preparing uniform large-area film is realized, the structure of the wire bar scraping equipment is simple, when different materials are scraped, a long pipeline does not need to be cleaned like the coating equipment, operation is convenient, and production efficiency is high.

[0019] Additional aspects and advantages of the present application will be described in the following description, become apparent from the following description, or be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the wire bar scraping equipment of the first embodiment of the present application;

[0021] Figure 2 is a structural schematic view of the wire bar scraping equipment of the second embodiment of the present application;

[0022] Figure 3 is a top view of the cooperation structure of the support frame and the driving device of the second embodiment of the present application.

[0023] REFERENCE NUMERALS:

[0024] 1, scraping table;

[0025] 2, wire bar;

[0026] 3, driving device;

[0027] 4, support seat; 41, support part; 42, connecting part; 421, sliding block;

[0028] 5, height adjusting part; 6, elastic part; 7, annular track; 8, machine table;

[0029] 901, stand column; 902, top frame; 903, cross beam; 904, support beam;

[0030] 10, frequency converter. DETAILED DESCRIPTION

[0031] The utility model will be described in further detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are merely intended to explain the utility model, and not to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.

[0032] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0034] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0035] Embodiment one:

[0036] The utility model discloses a wire bar scratch coating equipment, reference Figure 1As shown in the figure, the wire bar coating equipment comprises a coating table 1, a wire bar 2 and a driving device 3, the coating table 1 is used for placing a base material, the wire bar 2 is arranged at intervals with the coating table 1, the driving device 3 is connected with the wire bar 2, and is used for driving the wire bar 2 to rotate relative to the coating table 1. It can be understood that, in the actual working process, the base material is placed on the coating table 1, and the coating material is added dropwise at the center of the base material, the driving device 3 is started to drive the wire bar 2 to rotate relative to the coating table 1, and the coating material in the middle can be slowly spread outwards by rotating the wire bar 2 at different angles, the coating material at the center is naturally extruded and spread outwards in the rotating process of the wire bar 2, and after rotating for several turns, the coating material can be uniformly spread. Therefore, the wire bar coating equipment can solve the problem that the existing wire bar coating process is difficult to realize uniform film thickness, especially for the preparation of a larger area, the non-uniformity is more obvious, and the problem of inevitable thick front end and thin rear end is solved, the function of preparing a uniform large-area film is realized, and the structure of the wire bar coating equipment is simple, when different materials are replaced, a long pipeline does not need to be cleaned like a coating equipment, operation is convenient, and production efficiency is higher.

[0037] It should be noted that, in the embodiment of the utility model, the driving device 3 can select a motor or a rotary cylinder according to actual needs.

[0038] Embodiment two:

[0039] The structure of the wire bar coating equipment of the embodiment is referred to Figure 2 As shown in the figure, the wire bar coating equipment further comprises a support seat 4 and a height adjusting part 5, the support seat 4 is connected with the driving device 3, the height adjusting part 5 is installed on the support seat 4, and is used for adjusting the height of the wire bar 2 relative to the coating table 1. It can be understood that the spacing between the wire bar 2 and the coating table 1 determines the thickness of the film, in the embodiment, the support seat 4 is used for installing the height adjusting part 5, and the height adjusting part 5 can adjust the height of the wire bar 2 relative to the coating table 1, in the actual working process, the height of the wire bar 2 can be adjusted by using the height adjusting part 5 before the process starts, after the adjustment is completed, the driving device 3 is started, and when the support seat 4 is driven to rotate, the wire bar 2 can be driven to rotate, so that the manufacturing of different thickness films is realized.

[0040] Optionally, the height adjusting member 5 comprises a digital display adjuster, and an end of the digital display adjuster abuts against the wire bar 2; the wire bar coating device further comprises an elastic member 6, one end of the elastic member 6 is connected to the wire bar 2, and the other end of the elastic member 6 is connected to the support base 4. It can be understood that, in the actual working process, the height of the wire bar 2 can be adjusted by rotating the end of the digital display adjuster, and according to the display data of the digital display adjuster, the user can accurately adjust the height of the wire bar 2, so as to accurately adjust the thickness of the film. The elastic member 6 is used to connect the wire bar 2 and the support base 4, and the elastic member 6 can ensure that the wire bar 2 always abuts against the digital display adjuster, thereby ensuring the adjustment accuracy of the wire bar 2. In the embodiment of the utility model, the elastic member 6 can be a spring or an elastic sleeve according to actual needs, and the type of the elastic member 6 is not limited here. In the embodiment of the utility model, the connection mode of the digital display adjuster and the support base 4 can be selected according to actual needs, and the digital display adjuster and the support base 4 can be connected by screws or other connecting members, or can be connected by a buckle connection mode.

[0041] Optionally, the digital display adjuster is a plurality of digital display adjusters, and the plurality of digital display adjusters are distributed along the axial direction of the wire bar 2. It can be understood that, in the actual process, the parallelism between the wire bar 2 and the coating table 1 determines the quality of the film, and the height of the wire bar 2 can be adjusted by the plurality of digital display adjusters, so as to ensure the parallelism between the wire bar 2 and the coating table 1, thereby ensuring that the wire bar coating device of the embodiment can produce high-quality films. Preferably, the digital display adjuster is two digital display adjusters, and the two digital display adjusters are located at two ends of the wire bar 2.

[0042] Optionally, the elastic member 6 is a plurality of elastic members 6, and the plurality of elastic members 6 are distributed along the axial direction of the wire bar 2. It can be understood that, in the actual process, the parallelism between the wire bar 2 and the coating table 1 determines the quality of the film, and the wire bar 2 is fixed by the plurality of elastic members 6, which is beneficial to ensure the parallelism between the wire bar 2 and the coating table 1, thereby ensuring that the wire bar coating device of the embodiment can produce high-quality films.

[0043] It needs to be supplemented here that, in other embodiments of the utility model, the structure of the height adjusting member 5 can also be adjusted according to actual needs. For example, in some embodiments, the height adjusting member 5 is a connecting bolt, the support base 4 is provided with a bolt hole matched with the connecting bolt, the wire bar 2 is provided with a plug-in blind hole matched with the connecting bolt, and an elastic sleeve is arranged in the plug-in blind hole. The connecting bolt is inserted into the elastic sleeve through the bolt hole and connected to the wire bar 2. In the actual working process, the height of the wire bar 2 can also be adjusted by rotating the connecting bolt.

[0044] Reference Figure 2As shown, the wire bar coating equipment further comprises a ring track 7 arranged around the coating table 1, and the support base 4 is provided with a sliding block 421 matched with the ring track 7. It can be understood that, in the actual working process, the driving device 3 drives the wire bar 2 to rotate relative to the coating table 1, and the coating in the middle can be slowly spread outwards by rotating the wire bar 2 by different angles, the central thick coating is naturally extruded and spread outwards in the rotating process of the wire bar 2, and after rotating for several turns, the coating can be uniformly spread. Therefore, the stability of the rotation of the wire bar 2 directly determines the quality of the film, and in the embodiment, the ring track 7 and the sliding block 421 are arranged, and in the rotating process of the driving member support base 4, the sliding block 421 can only slide along the circumferential direction of the ring track 7, thereby limiting the movement of the support base 4, which is beneficial to improving the rotation stability of the wire bar 2 and thus improving the quality of the film.

[0045] Optionally, the support base 4 comprises a support portion 41 and a connecting portion 42, the support portion 41 is arranged in parallel with the wire bar 2 and is used for supporting the height adjusting member 5, the connecting portion 42 is connected to the support portion 41 and is arranged towards the coating table 1; and the sliding block 421 is arranged on the connecting portion 42. It can be understood that, mounting the wire bar 2 on the support portion 41 arranged in parallel with the wire bar 2 can ensure the installation stability of the wire bar 2 and the stability of height adjustment, thereby being beneficial to improving the film quality, and arranging the connecting portion 42 on the support portion 41 for mounting the sliding block 421 can facilitate the installation of the sliding block 421, which is more convenient than directly connecting the sliding block 421 to the support portion 41. Preferably, the connecting portion 42 is two, and the support base 4 is a gantry structure.

[0046] Further optionally, the support portion 41 and the connecting portion 42 are an integral molding structure. Therefore, it is beneficial to simplify the manufacturing process of the support base 4, thereby reducing the manufacturing cost of the entire wire bar coating equipment. In addition, in the embodiment of the utility model, the support portion 41 can be fixed on the connecting portion 42 through bolts or other connecting members, or can be directly welded to the connecting portion 42, and the specific connection mode can be selected according to actual needs.

[0047] Reference Figure 2 As shown, the wire bar coating equipment further comprises a machine table 8, the machine table 8 is used for supporting the coating table 1, and the machine table 8 is provided with a control panel, the control panel is electrically connected with the driving device 3 through a frequency converter 10 and is used for adjusting the rotating speed of the driving device 3. It can be understood that, in the actual working process, the driving device 3 drives the wire bar 2 to rotate relative to the coating table 1, and the coating in the middle can be slowly spread outwards by rotating the wire bar 2 by different angles, and the rotating speed of the driving device 3 is adjusted through the control panel, which is beneficial to improving the film quality.

[0048] Reference Figure 2As shown, the wire bar coating device further comprises a support frame, the support frame comprising a plurality of columns 901 and a top frame 902, the top frame 902 being spaced apart from the machine table 8 and used for mounting the driving device 3; one end of each column 901 is connected with the top frame 902, and the other end is connected with the machine table 8. It can be understood that mounting the driving device 3 through the support frame can ensure that the driving device 3 is stably mounted above the coating table 1, and ensure that the wire bar 2 can stably move, thereby facilitating the improvement of the film quality. The support frame has a simple structure and a small weight, and is conducive to reducing the manufacturing cost of the wire bar coating device.

[0049] Optionally, referring to Figure 3 As shown, the top frame 902 has a cross beam 903 inside, and a support beam 904 is arranged at the intersection of the cross beam 903, and the support beam 904 is used for supporting the driving device 3. It can be understood that the intersection of the cross beam 903 is provided with the support beam 904, and the support beam 904 is used for supporting the driving device 3, so that the rotation axis of the wire bar 2 passes through the geometric center of the coating table 1. In actual work process, the substrate material is usually placed in the center position of the coating table 1, and the rotation axis of the wire bar 2 passes through the geometric center of the coating table 1, which can facilitate the natural extrusion of the thicker paint in the center to the outside during the rotation of the wire bar 2, and after rotating several times, the paint can be uniformly spread.

[0050] Optionally, the surface of the coating table 1 for carrying the substrate material is square or circular, and the rotation axis of the wire bar 2 passes through the geometric center of the coating table 1. In actual work process, the substrate material is usually placed in the center position of the coating table 1, and the rotation axis of the wire bar 2 passes through the geometric center of the coating table 1, which can facilitate the natural extrusion of the thicker paint in the center to the outside during the rotation of the wire bar 2, and after rotating several times, the paint can be uniformly spread.

[0051] In the description of the present specification, the description of the terms "some embodiments", "other embodiments", etc. means that the specific features, structures, materials or characteristics described in combination with the embodiments or examples are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claim.

Claims

1. A wire bar drawdown apparatus characterized by, The wire bar coating device comprises: a doctor blade station (1) for placing a base material; a wire bar (2) arranged in parallel with the doctor blade station (1); a driving device (3) connected with the wire bar (2) and used for driving the wire bar (2) to rotate relative to the doctor blade station (1).

2. The wire bar blade coating apparatus according to claim 1, characterized in that The wire bar coating device further comprises: a support base (4) connected with the driving device (3); a height adjusting member (5) installed on the support base (4) and used for adjusting the height of the wire bar (2) relative to the doctor blade station (1).

3. Wire bar blade coating apparatus according to claim 2, characterized in that The height adjusting member (5) comprises a digital display adjuster, and an end of the digital display adjuster abuts against the wire bar (2); the wire bar coating device further comprises an elastic member (6), one end of the elastic member (6) is connected with the wire bar (2), and the other end of the elastic member (6) is connected with the support base (4).

4. The wire bar blade coating apparatus according to claim 3, wherein The digital display adjuster is in plurality, and the plurality of digital display adjusters are arranged in parallel along the axial direction of the wire bar (2); and / or The elastic member (6) is in plurality, and the plurality of elastic members (6) are arranged in parallel along the axial direction of the wire bar (2).

5. The wire bar blade coating apparatus of claim 2, wherein, The wire bar coating device further comprises a ring-shaped track (7) arranged around the doctor blade station (1), and the support base (4) is provided with a sliding block (421) matched with the ring-shaped track (7).

6. The wire bar blade coating apparatus according to claim 5, wherein, The support base (4) comprises: a support part (41) arranged in parallel with the wire bar (2) and used for supporting the height adjusting member (5); a connecting part (42) connected with the support part (41) and arranged towards the doctor blade station (1); and the sliding block (421) is arranged on the connecting part (42).

7. The wire bar blade coating apparatus according to any one of claims 1 to 6, characterized in that The wire bar coating device further comprises a machine table (8) used for supporting the doctor blade station (1), and the machine table (8) is provided with a control panel electrically connected with the driving device (3) and used for adjusting the rotating speed of the driving device (3).

8. The wire bar blade coating apparatus according to claim 7, wherein, The wire bar coating device further comprises a support frame, and the support frame comprises a plurality of stand columns (901) and a top frame (902); the top frame (902) is arranged in parallel with the machine table (8) and used for mounting the driving device (3); one end of each stand column (901) is connected with the top frame (902), and the other end of each stand column (901) is connected with the machine table (8).

9. The wire bar blade coating apparatus of claim 8, wherein, The top frame (902) is internally provided with a cross beam (903), and the cross beam (903) is provided with a support beam (904) at the intersection; and the support beam (904) is used for supporting the driving device (3).

10. The wire bar blade coating apparatus of claim 1, wherein, The surface of the doctor blade station (1) used for carrying the base material is square or circular, and the rotating axis of the wire bar (2) passes through the geometric center of the doctor blade station (1).

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