Coating monitoring device and coating equipment

Abstract

The utility model provides a coating monitoring device and coating equipment, and belongs to the technical field of coating monitoring, the coating monitoring device comprises a light source assembly and a camera assembly, the light source assembly comprises a light source and a first adjusting assembly, the first adjusting assembly is connected with the light source, the first adjusting assembly is used for adjusting the height and angle of the light source, and the camera assembly is connected with the light source. The light source is used for emitting light to the lip of the coating die head; the camera assembly comprises a camera and a second adjusting assembly, the second adjusting assembly is connected with the camera and used for adjusting the height and angle of the camera, and the sight line of the camera faces the lip of the coating die head. The heights and angles of the light source and the camera are respectively adjusted through the first adjusting assembly and the second adjusting assembly, so that the sight line of the camera and the light of the light source are aligned with the lip of the coating die head, and the forming condition of a substrate film at the lip of the coating die head and a liquid curtain between the lip and the substrate is accurately monitored. Therefore, the size of the lip gap of the die head can be monitored.

Description

Technical Field

[0001] The utility model relates to the technical field of coating monitoring, in particular to a coating monitoring device and coating equipment. Background Art

[0002] The coating process is widely used in light papermaking, plastic processing, information materials and battery manufacturing. By fixing the coating die head on the frame, the liquid is sent out from the coating die head and coated on the substrate to complete the coating of the substrate.

[0003] In order to ensure the coating quality, the coating situation needs to be monitored. At present, the coated substrate is generally monitored by a fixed camera and light source. The coating die head is generally adjusted to the corresponding position according to the actual coating situation, which causes the fixed camera's line of sight and the light source's light to deviate, affecting the monitoring results.

[0004] Therefore, it is necessary to design a coating monitoring device to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a coating monitoring device and coating equipment which can adjust the height and angle of a camera and a light source.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A coating monitoring device, comprising:

[0008] A light source assembly, comprising a light source and a first adjustment assembly, wherein the first adjustment assembly is connected to the light source, the first adjustment assembly is used to adjust the height and angle of the light source, and the light source is used to emit light to the lip of the coating die head;

[0009] The camera assembly comprises a camera and a second adjusting assembly, wherein the second adjusting assembly is connected to the camera and is used to adjust the height and angle of the camera, and the line of sight of the camera is toward the lip of the coating die head.

[0010] Optionally, the first adjustment component includes:

[0011] A first height adjustment member, adapted to be arranged on the frame;

[0012] a first angle adjustment member, which is arranged on the first height adjustment member, and the first height adjustment member drives the first angle adjustment member to move in a height direction, and the first angle adjustment member is arranged on at least one end of the light source, and the first angle adjustment member drives the light source to rotate around a horizontal axis;

[0013] And / or, the second adjustment component includes:

[0014] A second height adjustment member, adapted to be arranged on the frame;

[0015] The second angle adjustment member is arranged on the second height adjustment member, and the second height adjustment member drives the second angle adjustment member to move in the height direction. The camera is arranged on the second angle adjustment member, and the second angle adjustment member drives the camera to rotate around the horizontal axis.

[0016] Optionally, the first height adjusting member comprises:

[0017] A first fixing member, adapted to be arranged on the frame;

[0018] The first sliding member is slidably arranged on the first fixing member, and the first angle adjusting member is arranged on the first sliding member.

[0019] Optionally, the first angle adjustment member includes:

[0020] A first rotating shaft, horizontally arranged on the first sliding member;

[0021] The first rotating member is rotatably arranged on the first rotating shaft. The light source is arranged on the first rotating member. The first rotating member and the first rotating shaft are connected via a first locking member.

[0022] Optionally, the first rotating member is connected to the light source via a first waist-shaped groove.

[0023] Optionally, the second height adjusting member comprises:

[0024] A second fixing member, adapted to be arranged on the frame;

[0025] The second sliding member is slidably arranged on the second fixing member, and the second angle adjusting member is arranged on the second sliding member.

[0026] Optionally, the second angle adjustment member includes:

[0027] A second rotating shaft, at least one end of which is connected to the second sliding member;

[0028] The second rotating member is rotatably arranged on the second rotating shaft, the camera is arranged on the second rotating member, and the second rotating member and the second rotating shaft are connected via a second locking member.

[0029] Optionally, it further includes: a control unit, which is electrically connected to the camera.

[0030] The utility model also provides a coating device, comprising:

[0031] frame;

[0032] A coating die head is arranged on the frame;

[0033] The coating monitoring device described in any of the above items is arranged on the frame.

[0034] Optionally, the coating monitoring device comprises a light source assembly and a camera assembly, and the light source assembly and the camera assembly are respectively arranged on both sides of the coating die head;

[0035] Alternatively, the light source assembly and the camera assembly are both arranged on the same side of the coating die head.

[0036] Compared with the prior art, the technical solution of the utility model has the following advantages:

[0037] The coating monitoring device provided by the utility model includes a light source component and a camera component. The light source component includes a light source and a first adjustment component. The first adjustment component is connected to the light source and is used to adjust the height and angle of the light source. The light source is used to emit light toward the lip of the coating die head. The camera component includes a camera and a second adjustment component. The second adjustment component is connected to the camera and is used to adjust the height and angle of the camera. The camera's line of sight is toward the lip of the coating die head.

[0038] When the lip position of the coating die changes, the height and angle of the light source and the camera are adjusted respectively by the first adjustment component and the second adjustment component, so that the line of sight of the camera and the light of the light source are both aimed at the lip of the coating die, thereby increasing the image clarity and making the monitoring more accurate; the light source emits light, which is reflected by the substrate to the camera and then receives the image signal, so as to accurately monitor the substrate film at the lip position of the coating die and the liquid curtain formation between the lip and the substrate, and then the size of the lip gap of the die can be monitored. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0040] Figure 1 This is a schematic structural diagram of an implementation of the coating monitoring device provided in Example 1 of the utility model;

[0041] Figure 2 for Figure 1 Schematic diagram of the structure of the central light source assembly;

[0042] Figure 3 for Figure 1Schematic diagram of the structure of the camera assembly;

[0043] Figure 4 This is a schematic structural diagram of an implementation of a coating device provided in Example 2 of the utility model;

[0044] Figure 5 for Figure 4 A schematic cross-sectional structure diagram of;

[0045] Figure 6 for Figure 4 A schematic structural diagram of another embodiment of a coating device;

[0046] Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure.

[0047] Description of reference numerals:

[0048] 1. Light source; 2. Coating die head; 3. Camera; 4. First height adjustment member; 5. Frame; 6. First angle adjustment member; 7. Second height adjustment member; 8. Second angle adjustment member; 9. First fixing member; 10. First sliding member; 11. First rotating shaft; 12. First rotating member; 13. First locking member; 14. First waist-shaped groove; 15. Second fixing member; 16. Second sliding member; 17. Second rotating shaft; 18. Second rotating member; 19. Second locking member; 20. Second waist-shaped groove; 21. Slide groove; 22. Third fixing member; 23. Mounting plate; 24. Connecting plate. DETAILED DESCRIPTION

[0049] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0050] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0051] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0053] Example 1

[0054] The coating monitoring device provided in this embodiment is used in a coating device to observe the curtain-like outflow of liquid from the die lip to the gap between the substrate and the liquid film state on the surface of the coated substrate during the coating process, thereby monitoring the size of the die lip gap.

[0055] like Figures 1 to 3 As shown, a specific implementation of the coating monitoring device provided in this embodiment includes a light source assembly and a camera assembly. The light source assembly includes a light source 1 and a first adjustment assembly. The first adjustment assembly is connected to the light source 1. The first adjustment assembly is used to adjust the height and angle of the light source 1. The light source 1 is used to emit light to the lip of the coating die 2; the camera assembly includes a camera 3 and a second adjustment assembly. The second adjustment assembly is connected to the camera 3 and is used to adjust the height and angle of the camera 3. The line of sight of the camera 3 is toward the lip of the coating die 2. The dotted line connecting the light source 1 in the figure is the light emitted by the light source 1, and the dotted line connecting the camera 3 is the line of sight of the camera 3.

[0056] When the lip position of the coating die 2 changes, the height and angle of the light source 1 and the camera 3 are adjusted respectively by the first adjustment component and the second adjustment component, so that the line of sight of the camera 3 and the light of the light source 1 are both aimed at the lip of the coating die 2, so that the monitoring is more accurate; the light source 1 emits light, which is reflected by the substrate to the camera 3 and then receives the image signal, so as to accurately monitor the substrate film at the lip position of the coating die 2 and the liquid curtain formation between the lip and the substrate, and then the size of the lip gap of the die can be monitored.

[0057] Specifically, the light source 1 is an industrial light source, and can be specifically a line-scanning strip light source; the light emitted by the light source 1 is inclined relative to the surface of the substrate.

[0058] Specifically, camera 3 can be a line array camera or an area array camera. In addition, camera 3 can also be an industrial CCD camera. Multiple cameras 3 can be set, evenly spaced along the length direction of the coating die 2, so that image information at multiple positions can be obtained, which is more conducive to adjusting the uniformity of coating in the coating equipment.

[0059] like Figure 1 and Figure 2 As shown, in the coating monitoring device provided in this embodiment, the first adjustment component includes a first height adjustment member 4 and a first angle adjustment member 6, and the first height adjustment member 4 is suitable for being arranged on a frame 5; the first angle adjustment member 6 is arranged on the first height adjustment member 4, and the first height adjustment member 4 drives the first angle adjustment member 6 to move in the height direction, and the first angle adjustment members 6 are arranged at both ends of the light source 1, and the first angle adjustment member 6 drives the light source 1 to rotate around the horizontal axis. The first angle adjustment member 6 and the first height adjustment member 4 are arranged at both ends of the light source 1, so that the two ends of the light source 1 are adjusted synchronously, and the adjustment is more accurate and stable.

[0060] In other embodiments, the first angle adjustment member 6 is provided at only one end of the light source 1 .

[0061] like Figure 1 and Figure 2 As shown, a specific implementation manner of the first height adjustment member 4, the first height adjustment member 4 includes a first fixing member 9 and a first sliding member 10, the first fixing member 9 is suitable for being arranged on the frame 5; the first sliding member 10 is slidable up and down on the first fixing member 9, and the first angle adjustment member 6 is arranged on the first sliding member 10.

[0062] Specifically, the first fixing member 9 is an L-shaped plate structure, and a connecting hole is arranged on its horizontal plate, and the connecting hole is fixedly connected to the frame 5 by bolts. A slide groove 21 arranged along the height direction is arranged on its vertical plate, and a threaded hole is arranged in the slide groove 21. The first sliding member 10 is a plate structure, and the upper part of the first sliding member 10 is slidably arranged in the slide groove 21. A second waist-shaped groove 20 is arranged on the upper part of the first sliding member 10, and the second waist-shaped groove 20 is arranged opposite to the threaded hole. When height adjustment is required, the bolt in the screw hole is loosened, and then adjusted to the specified height, and then the bolt is tightened to realize the adjustment of the first sliding member 10 in the height direction.

[0063] In addition, as an alternative implementation, the first fixing member 9 may also be a vertical plate structure only, and the vertical plate structure is provided with connection holes to connect with the frame 5 .

[0064] In other embodiments, the first height adjustment member 4 may also be an electric adjustment structure, for example, a vertically arranged linear module, and an output end of the linear module is connected to the first angle adjustment member 6 .

[0065] like Figure 1 and Figure 2 As shown, a specific implementation of the first angle adjustment member 6, the first angle adjustment member 6 includes a first rotating shaft 11 and a first rotating member 12, the first rotating shaft 11 is horizontally arranged on the first sliding member 10; the first rotating member 12 is rotatably arranged on the first rotating shaft 11, the light source 1 is arranged on the first rotating member 12, and the first rotating member 12 and the first rotating shaft 11 are connected by a first locking member 13.

[0066] Specifically, the first rotating member 12 is a plate-type structure. A rotating hole is provided on the first rotating member 12 . The rotating hole is sleeved on the first rotating shaft 11 . The first rotating shaft 11 and the first sliding member 10 are fixedly connected.

[0067] Specifically, a threaded hole is provided on the first rotating member 12 at a position opposite to the first rotating shaft 11. The first locking member 13 is a set screw, which is provided in the threaded hole. When the angle needs to be adjusted, the set screw is unscrewed, and then the first rotating member 12 is manually adjusted to rotate around the first rotating shaft 11. After adjusting to a specified angle, the set screw is tightened again to fix the first rotating member 12 and the first rotating shaft 11, thereby fixing the light source 1.

[0068] In addition, as an alternative implementation, the first locking member 13 may not be provided, and a damping rotation may be provided between the first rotating member 12 and the first rotating shaft 11 to achieve stability of the first rotating member 12 after rotation by an external force.

[0069] In other embodiments, the first angle adjustment member 6 may also be an electric adjustment structure, for example, a rotary motor, and the light source 1 is connected to the output end of the rotary motor.

[0070] like Figure 2 As shown, in the coating monitoring device provided in this embodiment, the first rotating member 12 is connected to the light source 1 via a first waist-shaped groove 14. The provision of the first waist-shaped groove 14 increases the installation range of the light source 1 and can realize the movement of the light source 1 along the first waist-shaped groove 14 according to specific installation conditions.

[0071] like Figure 1 and Figure 3 As shown, in the coating monitoring device provided in this embodiment, the second adjustment component includes a second height adjustment member 7 and a second angle adjustment member 8, and the second height adjustment member 7 is suitable for being arranged on the frame 5; the second angle adjustment member 8 is arranged on the second height adjustment member 7, and the second height adjustment member 7 drives the second angle adjustment member 8 to move in the height direction, and the camera 3 is arranged on the second angle adjustment member 8, and the second angle adjustment member 8 drives the camera 3 to rotate around the horizontal axis.

[0072] A specific implementation of the second height adjustment member 7, the second height adjustment member 7 includes a second fixing member 15 and a second sliding member 16, the second fixing member 15 is suitable for being arranged on the frame 5; the second sliding member 16 is slidably arranged on the second fixing member 15 up and down, and the second angle adjustment member 8 is arranged on the second sliding member 16.

[0073] like Figure 1 and Figure 3 As shown, specifically, the second fixing member 15 is a rod structure, the second fixing member 15 is vertically arranged on the frame 5, and can be connected to the frame 5 by setting a cross plate at the bottom of the second fixing member 15, the second sliding member 16 is a clamping hoop structure, on which a sliding hole is arranged, the sliding hole is sleeved on the second fixing member 15, an opening is arranged on one side of the sliding hole, and a bolt is arranged at the opening. When height adjustment is required, the bolt is loosened, and after the second sliding member 16 is moved to the specified position, the bolt is tightened to clamp the second sliding member 16 on the second fixing member 15.

[0074] like Figure 3 As shown, in an improved implementation manner, third fixing members 22 are respectively provided at the upper and lower ends of the second sliding member 16. The third fixing member 22 can also be a clamp structure, which can further fix the second sliding member 16 to prevent it from loosening and sliding up and down.

[0075] In other embodiments, the second height adjustment member 7 may also be an electric adjustment structure, for example, a vertically arranged linear module, the output end of which is connected to the second angle adjustment member 8 .

[0076] like Figure 3 As shown, a specific implementation of the second angle adjustment member 8, the second angle adjustment member 8 includes a second rotating shaft 17 and a second rotating member 18, both ends of the second rotating shaft 17 are connected to the second sliding member 16; the second rotating member 18 is rotatably set on the second rotating shaft 17, the camera 3 is set on the second rotating member 18, and the second rotating member 18 and the second rotating shaft 17 are connected by a second locking member 19.

[0077] In other embodiments, only one end of the second rotating shaft 17 is connected to the second sliding member 16 , and the other end is only supported by a supporting member.

[0078] Specifically, there are two second rotating members 18, and the second rotating members 18 are of a clamping hoop structure, and the clamping end thereof is clamped on the second rotating member 18 by a bolt, and the bolt is the second locking member 19. A mounting plate 23 is connected between the two second rotating members 18, and the two second rotating members 18 simultaneously rotate and adjust the mounting plate 23, and the camera 3 is connected to the mounting plate 23.

[0079] In an improved implementation manner, a plurality of cameras 3 are fixed on a connecting plate 24 , and the connecting plate 24 is connected to the mounting plate 23 by bolts. The setting of the connecting plate 24 facilitates the connection and disassembly between the cameras 3 and the mounting plate 23 .

[0080] In an improved implementation, the mounting plate 23 is an inclined plate. When the second rotating member 18 is in a vertically arranged state, an angle is formed between the mounting plate 23 and the base plate, so that the camera 3 is installed at a certain angle, thus saving the adjustment process.

[0081] The coating monitoring device provided in this embodiment further includes: a control unit, which is electrically connected to the camera 3. Specifically, the control unit is an industrial computer, and the images collected by the camera 3 are transmitted to the industrial computer, which can perform corresponding film parameter analysis based on the obtained images.

[0082] Example 2

[0083] like Figure 4 As shown, a specific implementation of the coating equipment provided in this embodiment includes a frame 5, a coating die 2 and a coating monitoring device as described in any one of Embodiment 1, wherein the coating die 2 is arranged on the frame 5; and the coating monitoring device is arranged on the frame 5.

[0084] like Figure 4 and Figure 5 As shown, in the coating equipment provided in this embodiment, the coating monitoring device includes a light source component and a camera component, and the light source component and the camera component are respectively arranged on both sides of the coating die head 2.

[0085] The light source assembly and the camera assembly are respectively arranged on both sides of the coating die head 2, which is a positive light installation method. The light from the light source 1 is irradiated at an angle to the camera 3, thereby making the image brightness received by the camera 3 clearer. When the environment is dark or the light reflection of the substrate material is not obvious, the positive light installation should be used to enhance the receiving effect of the camera 3.

[0086] like Figure 6 and Figure 7 As shown, in other embodiments, Figure 6 and Figure 7 As shown, the light source assembly and the camera assembly are both arranged on the same side of the coating die head 2 .

[0087] The light source assembly and the camera assembly are arranged on the same side of the coating die head 2, which is a backlight installation method. The light source 1 does not directly enter the camera 3. The backlight of the substrate is relatively dark during imaging. When the external environment is bright, the backlight method should be used to prevent overexposure caused by excessive light source.

[0088] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the present utility model.

Claims

1. A coating monitoring device, characterized in that: include: A light source assembly, comprising a light source (1) and a first adjustment assembly, wherein the first adjustment assembly is connected to the light source (1), the first adjustment assembly is used to adjust the height and angle of the light source (1), and the light source (1) is used to emit light toward the lip of a coating die head (2); The camera assembly comprises a camera (3) and a second adjustment assembly, wherein the second adjustment assembly is connected to the camera (3) and is used to adjust the height and angle of the camera (3), and the line of sight of the camera (3) is directed toward the lip of the coating die head (2).

2. The coating monitoring device according to claim 1, characterized in that: The first adjustment component comprises: A first height adjustment member (4) adapted to be arranged on the frame (5); a first angle adjustment member (6) arranged on the first height adjustment member (4), the first height adjustment member (4) driving the first angle adjustment member (6) to move in a height direction, the first angle adjustment member (6) being arranged on at least one end of the light source (1), the first angle adjustment member (6) driving the light source (1) to rotate around a horizontal axis; And / or, the second adjustment component includes: A second height adjustment member (7) adapted to be arranged on the frame (5); The second angle adjustment member (8) is arranged on the second height adjustment member (7), and the second height adjustment member (7) drives the second angle adjustment member (8) to move in the height direction. The camera (3) is arranged on the second angle adjustment member (8), and the second angle adjustment member (8) drives the camera (3) to rotate around a horizontal axis.

3. The coating monitoring device according to claim 2, characterized in that: The first height adjusting member (4) comprises: A first fixing member (9) adapted to be arranged on the frame (5); The first sliding member (10) is arranged on the first fixing member (9) so as to be slidable up and down, and the first angle adjustment member (6) is arranged on the first sliding member (10).

4. The coating monitoring device according to claim 3, characterized in that: The first angle adjustment member (6) comprises: A first rotating shaft (11) is horizontally arranged on the first sliding member (10); The first rotating member (12) is rotatably arranged on the first rotating shaft (11), the light source (1) is arranged on the first rotating member (12), and the first rotating member (12) and the first rotating shaft (11) are connected via a first locking member (13).

5. The coating monitoring device according to claim 4, characterized in that: The first rotating member (12) is connected to the light source (1) via a first waist-shaped groove (14).

6. The coating monitoring device according to claim 2, characterized in that: The second height adjusting member (7) comprises: A second fixing member (15) adapted to be arranged on the frame (5); The second sliding member (16) is slidably arranged on the second fixing member (15) up and down, and the second angle adjustment member (8) is arranged on the second sliding member (16).

7. The coating monitoring device according to claim 6, characterized in that: The second angle adjustment member (8) comprises: a second rotating shaft (17), at least one end of which is connected to the second sliding member (16); The second rotating member (18) is rotatably arranged on the second rotating shaft (17), the camera (3) is arranged on the second rotating member (18), and the second rotating member (18) and the second rotating shaft (17) are connected via a second locking member (19).

8. The coating monitoring device according to claim 1, characterized in that: Also includes: A control unit is electrically connected to the camera (3).

9. A coating device, characterized in that: include: Rack (5); A coating die head (2) is arranged on the frame (5); The coating monitoring device according to any one of claims 1 to 8 is arranged on the frame (5).

10. The coating device according to claim 9, characterized in that: The coating monitoring device comprises a light source component and a camera component, wherein the light source component and the camera component are respectively arranged on two sides of the coating die head (2); Alternatively, the light source assembly and the camera assembly are both arranged on the same side of the coating die head (2).

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