Uniformity detection device for conductive coating foil

Abstract

The utility model provides a uniformity detection device for conductive coating foil, which belongs to the technical field of conductive coating detection, and comprises a shell and a detection mechanism arranged in the shell, the middle part of the shell is also provided with a tightening assembly, and the tightening assembly comprises guide sliding ports longitudinally and symmetrically arranged in the middle parts of the front and rear surfaces of the shell; sliding plates are slidably connected into the guide sliding openings, fixing boxes which are vertically and symmetrically distributed are arranged between the two sliding plates, dovetail sliding grooves are formed in the front wall face and the rear wall face of each fixing box, and sliding top plates which are transversely and symmetrically distributed are slidably connected between every two longitudinally adjacent dovetail sliding grooves. According to the utility model, the tension of the conductive coating foil is effectively adjusted through the tightening assembly, so that the conductive coating foil is always kept tightened and flat in the detection area of the gray scale meter, and the influence on the detection precision caused by slight deformation, wrinkling or flatness loss of the conductive coating foil due to external environmental factors is avoided; and the detection precision and efficiency of the gray scale meter are obviously improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of conductive coating detection, and particularly relates to a uniformity detection device for conductive coating foils. Background Technique

[0002] Conductive coating products are products of conductive coating composite materials formed by uniformly coating a layer of conductive materials such as carbon nanotubes, graphene, conductive carbon black, and conductive graphite and special adhesives on aluminum foils or copper foils. The conductive coating is used for surface treatment of battery substrates to reduce the contact resistance between active materials and current collectors, improve the adhesion between the two, reduce the amount of binder, and thus significantly improve the overall performance of the battery. It is mainly applied to the positive and negative current collectors of lithium-ion batteries and the bipolar plates of supercapacitors (EDLC), and the terminal applications are in new energy vehicles, energy storage products, smart wearable devices, etc. Currently, in order to detect the uniformity of conductive coatings, a special uniformity detection device for conductive coating foils is usually used;

[0003] The existing uniformity detection device for conductive coating foils mainly relies on optical imaging and image analysis technologies, and evaluates the coating consistency by measuring and comparing the gray values of different regions. However, in actual operation, due to the overall extremely thin conductive coating foil, the conductive coating foil may be easily deformed slightly, wrinkled or lose flatness due to external environmental factors such as temperature changes, mechanical stress, movement, etc., and these problems seriously affect the detection accuracy of the gray scale meter, reducing the accuracy and efficiency of detection. Summary of the Utility Model

[0004] In view of this, the utility model provides a uniformity detection device for conductive coating foils, which can effectively adjust the tension of the conductive coating foil through a tensioning component, ensure that it always remains tight and flat within the detection area of the gray scale meter, avoid the conductive coating foil being slightly deformed, wrinkled or losing flatness due to external environmental factors and affecting the detection accuracy, and significantly improve the accuracy and efficiency of the gray scale meter detection.

[0005] To solve the above technical problems, the utility model provides a uniformity detection device for conductive coating foils, including a housing and a detection mechanism arranged inside the housing. A tensioning component is also arranged in the middle of the housing. The tensioning component includes guiding sliding openings symmetrically arranged longitudinally in the middle of the front and rear surfaces of the housing. Sliding plates are slidably connected inside the guiding sliding openings. Fixed boxes are vertically symmetrically distributed between the two sliding plates. Dovetail chutes are arranged on the front and rear wall surfaces of the fixed boxes. Horizontally symmetrically distributed sliding top plates are slidably connected between two longitudinally adjacent dovetail chutes.

[0006] The tensioning assembly further includes threaded rods respectively rotatably connected between the upper and lower wall surfaces of the guiding sliding openings. The threaded rods are respectively threadedly connected to threaded holes provided in the middle of the sliding plates adjacent to the same side. At the front and rear ends of the middle part of the upper surface of the outer shell, there are first motors respectively. The lower ends of the output shafts of the first motors are respectively fixedly connected to the upper ends of the threaded rods adjacent to the same side.

[0007] The tensioning assembly further includes rollers respectively rotatably connected to the upper ends of the sliding top plates.

[0008] The tensioning assembly further includes bidirectional lead screws respectively rotatably connected between the left and right wall surfaces of the middle part of the fixed box. The bidirectional lead screws are respectively threadedly connected to threaded holes provided in the middle of the sliding top plates adjacent to the same side. At the middle part of the right surface of the fixed box, there are second motors respectively. The left ends of the output shafts of the second motors are respectively fixedly connected to the right ends of the bidirectional lead screws adjacent to the same side.

[0009] The detection mechanism includes a mounting plate horizontally arranged in the middle of the inner cavity of the outer shell. At the four corners between the front and rear wall surfaces of the outer shell, there are vertically symmetrically distributed guide rollers. At the middle part of the top wall surface of the outer shell and the lower wall surface of the mounting plate, there are linear sliders respectively. On the lower surfaces of the moving seats of the linear sliders, there are grayscale meters respectively.

[0010] At the positions close to the guiding sliding openings on the front and rear surfaces of the outer shell, there are protective covers respectively.

[0011] At the lower ends of the front and rear surfaces of the outer shell, there are longitudinally symmetrically distributed assembly plates.

[0012] The beneficial effects of the above technical solutions of the present utility model are as follows:

[0013] 1. First, the relevant staff guide the conductive coating foil to be detected to pass between the guide rollers symmetrically arranged vertically at the lower left, lower right, upper right, and upper left in sequence, and finally connect it to the external winding component, ensuring that both the front and back sides of the electrocoating foil can be placed under the corresponding gray scale meter for subsequent uniformity detection work. During the detection, start the external winding component to pull the conductive coating foil to move along the detection path. Then, through the external controller, control the operation of Motor 1. The output shaft of Motor 1 rotates to drive the threaded rod to rotate. Affected by the threaded connection between the threaded rod and the threaded hole, the sliding plate drives the fixed box and its attached mechanism to move upward synchronously along the guiding sliding opening, so that the sliding top plate presses against the conductive coating foil through the roller, making the conductive coating foil taut. Then, while the external controller controls Motor 1 to stop operating, it controls the operation of Motor 2. The output shaft of Motor 2 rotates to drive the bidirectional lead screw to rotate synchronously. Affected by the threaded connection between the bidirectional lead screw and the threaded hole, the two sliding top plates located in the same fixed box move outward synchronously along the dovetail chute, effectively adjusting the tension of the conductive coating foil, ensuring that it always remains taut and flat within the detection area of the gray scale meter, and avoiding the conductive coating foil from being slightly deformed, wrinkled, or losing flatness due to external environmental factors, which may affect the detection accuracy. This significantly improves the accuracy and efficiency of the gray scale meter detection, can perform operations on both the front and back sides of the electrocoating foil simultaneously, and greatly improves the working efficiency of the uniformity detection device for the conductive coating foil.

[0014] 2. Then, while the external controller controls Motor 1 to stop operating, it controls the operation of Motor 2. The output shaft of Motor 2 rotates to drive the bidirectional lead screw to rotate synchronously. Affected by the threaded connection between the bidirectional lead screw and the threaded hole, the two sliding top plates located in the same fixed box move outward synchronously along the dovetail chute, effectively adjusting the tension of the conductive coating foil, ensuring that it always remains taut and flat within the detection area of the gray scale meter, and avoiding the conductive coating foil from being slightly deformed, wrinkled, or losing flatness due to external environmental factors, which may affect the detection accuracy. This significantly improves the accuracy and efficiency of the gray scale meter detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the main structure of a uniformity detection device for a conductive coating foil of the present utility model;

[0016] Figure 2 is a schematic diagram of the tensioning component structure of the present utility model;

[0017] Figure 3 is an enlarged schematic diagram of part A of the present utility model;

[0018] Figure 4 is an enlarged schematic diagram of part B of the present utility model;

[0019] Figure 5This is a schematic plan sectional view of the present utility model.

[0020] Description of reference numerals: 100, outer shell; 200, mounting plate; 201, guide roller; 202, linear slide; 203, grayscale meter; 300, guide sliding opening; 301, sliding plate; 302, fixed box; 303, dovetail chute; 304, sliding top plate; 305, threaded rod; 306, motor 1; 307, roller; 308, bidirectional lead screw; 309, motor 2; 400, protective cover. Detailed implementation manners

[0021] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the following will combine the accompanying drawings of the embodiments of the present utility model Figures 1-5 to clearly and completely describe the technical solutions of the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the described embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present utility model.

[0022] As Figures 1-5 shown:

[0023] This embodiment provides a uniformity detection device for conductive coating foils, including an outer shell 100 and a detection mechanism disposed inside the outer shell 100. The detection mechanism is used to detect the uniformity of the conductive coating foils. A tensioning assembly is further provided in the middle of the outer shell 100. The tensioning assembly includes guide sliding openings 300 symmetrically arranged longitudinally in the middle of the front and rear surfaces of the outer shell 100. Sliding plates 301 are slidably connected inside the guide sliding openings 300. The guide sliding openings 300 are used to provide guiding and moving support for the sliding plates 301. Fixed boxes 302 symmetrically distributed vertically are provided between the two sliding plates 301. Dovetail chutes 303 are provided on the front and rear wall surfaces of the fixed boxes 302. Transversely symmetrically distributed sliding top plates 304 are slidably connected between two longitudinally adjacent dovetail chutes 303. The dovetail chutes 303 are used to provide guiding and sliding support for the sliding top plates 304.

[0024] As Figures 1-5As shown, the tensioning assembly further includes threaded rods 305 respectively rotatably connected between the upper and lower wall surfaces of the guiding sliding opening 300. The threaded rods 305 are respectively threadedly connected to the screw holes provided in the middle of the adjacent sliding plates 301 on the same side. Rotating holes for providing rotational support for the threaded rods 305 are provided on both the upper and lower wall surfaces of the guiding sliding opening 300. At the front and rear ends of the middle part of the upper surface of the outer shell 100, there are first motors 306 respectively. The first motors 306 are used to drive the threaded rods 305 to rotate. The lower ends of the output shafts of the first motors 306 are respectively fixedly connected to the upper ends of the adjacent threaded rods 305 on the same side. The first motors 306 are all electrically connected to an external controller. With the first motors 306 as the driving source and through the threaded connection between the threaded rods 305 and the screw holes, the sliding plates 301 and their attached mechanisms are driven to move up and down synchronously.

[0025] As Figures 2-5 shown, the tensioning assembly further includes rollers 307 respectively rotatably connected to the upper ends of the sliding top plates 304. Rotating grooves for providing rotational support for the rollers 307 are provided at the upper ends of the sliding top plates 304, which are used to reduce the friction coefficient with the conductive coating foil.

[0026] As Figures 2-5 shown, the tensioning assembly further includes a bidirectional lead screw 308 respectively rotatably connected to the middle between the left and right wall surfaces of the fixed box 302. Rotating grooves for providing rotational support for the bidirectional lead screw 308 are provided on both the left and right wall surfaces of the fixed box 302. The bidirectional lead screw 308 is respectively threadedly connected to the threaded holes provided in the middle of the adjacent sliding top plates 304 on the same side. At the middle of the right surface of the fixed box 302, there are second motors 309 respectively. The left ends of the output shafts of the second motors 309 are respectively fixedly connected to the right ends of the adjacent bidirectional lead screws 308 on the same side. The second motors 309 are all electrically connected to an external controller. With the second motors 309 as the driving source and through the threaded connection between the bidirectional lead screw 308 and the threaded holes, the two sliding top plates 304 located in the same fixed box 302 are driven to move outward and inward synchronously.

[0027] As Figures 2-5 shown, the detection mechanism includes a mounting plate 200 horizontally arranged in the middle of the inner cavity of the outer shell 100. At the four corners between the front and rear wall surfaces of the outer shell 100, there are guide rollers 201 vertically and symmetrically distributed. The guide rollers 201 are used to guide the movement of the conductive coating foil. Linear slides 202 are provided at the middle of the top wall surface of the outer shell 100 and the lower wall surface of the mounting plate 200 respectively. Gray-scale meters 203 are provided on the lower surfaces of the moving seats of the linear slides 202. The linear slides 202 and the gray-scale meters 203 are all electrically connected to an external controller. While the linear slides 202 drive the gray-scale meters 203 to move back and forth, the gray-scale meters 203 scan the conductive coating foil, measure the real-time gray scale, and feedback it to the external controller. The external controller detects and compares it in real time to judge the uniformity of the conductive coating.

[0028] As Figures 1-4As shown, longitudinal symmetrically distributed mounting plates are provided at the lower ends of the front and rear surfaces of the housing 100, facilitating the fixed installation of the housing 100 and its attached mechanisms.

[0029] The working principle of a uniformity detection device for a conductive coating foil provided by the present utility model is as follows: First, relevant staff guide the conductive coating foil to be detected to pass successively between the vertically symmetrically arranged guide rollers 201 at the lower left, lower right, upper right, and upper left, and finally connect it to an external winding component, ensuring that both the front and back sides of the electrocoating foil can be placed under the corresponding grayscale meters 203 for subsequent uniformity detection work. During detection, the external winding component is started to pull the conductive coating foil to move along the detection path, and then the operation of the first motor 306 is regulated by an external controller. The output shaft of the first motor 306 rotates to drive the threaded rod 305 to rotate. Affected by the threaded connection between the threaded rod 305 and the threaded hole, the sliding plate 301 drives the fixed box 302 and its attached mechanisms to move upward synchronously along the guiding sliding opening 300, so that the sliding top plate 304 presses against the conductive coating foil through the roller 307, making the conductive coating foil taut. Then, while the external controller regulates the first motor 306 to stop operating, it regulates the operation of the second motor 309. The output shaft of the second motor 309 rotates to drive the bidirectional lead screw 308 to rotate synchronously. Affected by the threaded connection between the bidirectional lead screw 308 and the threaded hole, the two sliding top plates 304 located in the same fixed box 302 move outward synchronously along the dovetail chute 303, effectively adjusting the tension of the conductive coating foil and ensuring that it remains taut and flat within the detection area of the grayscale meter 203, avoiding the conductive coating foil from being slightly deformed, wrinkled, or losing flatness due to external environmental factors, which may affect the detection accuracy, and significantly improving the accuracy and efficiency of the grayscale meter 203 detection. During detection, the external winding component cooperates to stop operating, and the external controller regulates the operation of the linear slide 202 and the grayscale meter 203. The moving seat of the linear slide 202 drives the grayscale meter 203 to move back and forth to scan the front and back sides of the conductive coating foil, collect the grayscale data of the conductive coating, and synchronize the data to the external controller. Then, the external controller evaluates the uniformity of the coating, determines whether there are defective or abnormal areas, and generates a corresponding detection report.

[0030] As Figures 1-5 As shown, protective covers 400 are provided on both the front and rear surfaces of the housing 100 near the guiding sliding opening 300, and the protective covers 400 play a role of isolation and protection.

[0031] In addition, it should be noted that in the description of the present utility model, unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] The above is the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A uniformity detection device for a conductive coating foil, characterized in that: The invention comprises a shell (100) and a detection mechanism arranged in the shell (100), wherein a tensioning assembly is also arranged in the middle of the shell (100), wherein the tensioning assembly comprises a guide slide (300) longitudinally symmetrically arranged in the middle of the front and rear surfaces of the shell (100), wherein a sliding plate (301) is slidably connected in the guide slide (300), wherein a vertically symmetrically distributed fixing box (302) is arranged between two sliding plates (301), wherein the front and rear walls of the fixing box (302) are provided with a dovetail slide groove (303), and a laterally symmetrically distributed sliding top plate (304) is slidably connected between two longitudinally adjacent dovetail slide grooves (303).

2. The uniformity detection device for a conductive coating foil according to claim 1, characterized in that: The tensioning assembly also includes a threaded rod (305) rotatably connected between the upper and lower walls of the guide slide (300), and the threaded rod (305) is threadedly connected to the screw hole arranged in the middle of the sliding plate (301) adjacent to the same side. The front and rear ends of the middle of the upper surface of the shell (100) are provided with a motor 1 (306), and the lower end of the output shaft of the motor 1 (306) is fixedly connected to the upper end of the threaded rod (305) adjacent to the same side.

3. The uniformity detection device for a conductive coating foil according to claim 1, characterized in that: The tightening assembly also includes rollers (307) which are rotatably connected to the upper ends of the sliding top plates (304).

4. The uniformity detection device for a conductive coating foil according to claim 1, wherein: The tensioning assembly also includes a bidirectional screw rod (308) rotatably connected to the middle part between the left and right walls of the fixed box (302), and the bidirectional screw rod (308) is threadedly connected to the thread hole set in the middle part of the sliding top plate (304) adjacent to the same side. A motor 2 (309) is provided in the middle part of the right surface of the fixed box (302), and the left end of the output shaft of the motor 2 (309) is fixedly connected to the right end of the bidirectional screw rod (308) adjacent to the same side.

5. The uniformity detection device for a conductive coating foil according to claim 1, characterized in that: The detection mechanism comprises a mounting plate (200) horizontally arranged in the middle of the inner cavity of the shell (100), guide rollers (201) distributed vertically symmetrically are arranged at four corners between the front and rear walls of the shell (100), a linear slide (202) is arranged in the middle of the top wall of the shell (100) and in the middle of the lower wall of the mounting plate (200), and a grayscale meter (203) is arranged on the lower surface of the mover seat of the linear slide (202).

6. The uniformity detection device for a conductive coating foil according to claim 1, characterized in that: Protective covers (400) are provided on the front and rear surfaces of the housing (100) near the guide sliding opening (300).

7. The uniformity detection device for a conductive coating foil according to claim 1, characterized in that: The lower ends of the front and rear surfaces of the housing (100) are provided with assembly plates which are symmetrically distributed in the longitudinal direction.

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