Coating detection device

Abstract

The utility model relates to the technical field of battery cell manufacturing, and provides a coating detection device which comprises a conveying line, a transferring mechanism, a scraper mechanism, a baking mechanism and a detection mechanism. The transferring mechanism is arranged on the conveying line and used for containing foil and slurry, and the conveying line is used for transporting the transferring mechanism. The scraper mechanism, the baking mechanism and the detection mechanism are sequentially arranged along the conveying line. The scraper mechanism comprises a scraper assembly, and the scraper assembly is arranged above the conveying line in a lifting mode. The baking mechanism comprises a baking module, and the baking module is arranged above the conveying line. The detection mechanism comprises a detection head. According to the coating detection device disclosed by the utility model, the conveying line can convey the transfer mechanism to sequentially pass through the scraper mechanism, the baking mechanism and the detection mechanism so as to simulate the uniform smearing and drying processes of a coating machine, and the detection head can detect the thickness of each position of slurry; the detection result can be used as a basis for judging and adjusting the matching of the material characteristics of the slurry, the dyne value of the foil and the die head gasket of the coating machine.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery cell manufacturing, especially relates to a coating detection device. BACKGROUND

[0002] Sodium electricity, lithium electricity industry coating is a very important process, coating process is through coating machine even spraying on foil surface according to process requirement even slurry mixed by homogenizing process, coating machine sets up touch head gasket, and touch head gasket is used for the slurry extruded on foil, so that the slurry can be laid on the foil surface according to process requirement. With the development of industry, the coating speed of coating machine is faster and faster.

[0003] And in the early production, slurry characteristics, foil daoyin value and coating machine die head gasket are prone to mismatching problems, and the slurry, foil and coating machine die head gasket need to be adjusted, however, the matching adjustment takes a long time, resulting in a large amount of material scrap, and leading to low coating efficiency and low pass rate in the early production. INNOVATION CONTENT

[0004] The utility model provides a kind of coating detection device to solve the defect of long time of matching adjustment of slurry, foil and gasket in prior art, a large amount of material is scrapped in the early production, and coating efficiency is low and pass rate is low.

[0005] The utility model provides a kind of coating detection device, comprising:

[0006] Conveying line and transfer mechanism, the transfer mechanism is set to the conveying line, and the transfer mechanism is used to contain foil and slurry, and the conveying line is used to transport the transfer mechanism;

[0007] Scraper mechanism, baking mechanism and detection mechanism are sequentially arranged along the conveying line;The scraper mechanism includes scraper assembly, the scraper assembly is arranged above the conveying line in a lifting manner, and the scraper assembly is used to scrape the slurry on the foil;The baking mechanism includes baking module, and the baking module is arranged above the conveying line, and the baking module is used to heat the slurry;The detection mechanism includes detection head, and the detection head is used to detect the thickness of each position of the slurry.

[0008] According to the coating detection device provided by the utility model, the scraper mechanism further includes first fixed seat and first driver;

[0009] The first fixed seat is arranged on one side of the conveying line, and the scraper assembly is arranged on the first fixed seat in a lifting manner;The first driver is arranged on the first fixed seat, and the first driver and the scraper assembly are drivingly connected to drive the scraper assembly to lift.

[0010] The coating detection device provided by the utility model, the doctor knife assembly includes doctor knife and mounting seat, the mounting seat is set up in the first fixed base liftablely, the doctor knife is detachably installed in the mounting seat, the first driver is connected with the mounting seat.

[0011] The coating detection device provided by the utility model, the doctor knife's cutting edge side includes coating part and two thinning parts arranged along the width direction of the doctor knife, two thinning parts are located at both ends of the coating part respectively, and the thinning part protrudes downward relative to the coating part.

[0012] The coating detection device provided by the utility model, the doctor knife's cutting edge side still has limit part corresponding to the thinning part one by one, each limit part is located at one end of the corresponding thinning part away from the coating part, and the limit part protrudes downward relative to the corresponding thinning part.

[0013] The coating detection device provided by the utility model, the transfer mechanism includes carrier and pressing plate;

[0014] The carrier is arranged on the conveying line, and the carrier is used for laying the foil material;The pressing plate is arranged on the carrier, and the pressing plate is used for being arranged on the upper side of the foil material.

[0015] The coating detection device provided by the utility model, the baking mechanism still includes second fixed base and second driver;

[0016] The second fixed base is arranged on one side of the conveying line, and the baking module is liftablely arranged on the second fixed base;The second driver is arranged on the second fixed base, and the second driver is drivingly connected with the baking module, so as to drive the baking module to lift.

[0017] The coating detection device provided by the utility model, the detection mechanism still includes third fixed base and third driver;

[0018] The third fixed base is arranged on one side of the conveying line, and the detection head is movably arranged on the third fixed base along the first direction;The third driver is arranged on the third fixed base, and the third driver is drivingly connected with the detection head, so as to drive the detection head to move along the first direction;

[0019] The first direction extends along the horizontal direction and is perpendicular to the conveying direction of the conveying line.

[0020] The coating detection device provided by the utility model, the detection mechanism still includes lifting assembly, the lifting assembly is movably arranged on the third fixed base, and the detection head is arranged on the lifting assembly;

[0021] The third driver is in transmission connection with the lifting assembly to drive the lifting assembly to move along the first direction; and the lifting assembly is used to drive the detection head to lift.

[0022] According to the coating detection device, the detection head is a laser ranging sensor or a contact ranging sensor.

[0023] The coating detection device provided by the utility model, through setting the transfer mechanism on the conveying line to carry the foil and the slurry, the conveying line can transport the transfer mechanism, the transfer mechanism can pass through the scraper mechanism, the baking mechanism and the detection mechanism in turn, wherein the scraper assembly of the scraper mechanism can scrape the slurry on the foil, the baking module of the baking mechanism can dry the slurry to form the pole piece, so that the simulation of the wiping and drying process of the coating machine is realized, and the detection head of the detection mechanism can detect the thickness of each position of the slurry (i.e. the pole piece), and the detection result can be used as the basis for judging and adjusting the material properties of the slurry, the dyne value of the foil and the matching of the coating machine die pad, so that the material properties of the slurry, the dyne value of the foil and the coating machine die pad can be adjusted in advance before online production, the waste of materials is reduced, and meanwhile, the qualified rate and the coating efficiency after online production are improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0025] Figure 1 It is a schematic view of the coating detection device provided by the utility model embodiment.

[0026] Figure 2 It is a top view of the coating detection device provided by the utility model embodiment.

[0027] Figure 3 It is a front view of the coating detection device provided by the utility model embodiment.

[0028] Figure 4 It is a schematic view of the scraper provided by the utility model embodiment.

[0029] Reference signs:

[0030] 1, coating detection device;2, foil;3, slurry;

[0031] 11, conveying line;

[0032] 12, transfer mechanism;121, carrier;122, pressing plate;

[0033] 13. The scraper mechanism; 131. The scraper; 1311. The coating part; 1312. The thinning part; 1313. The limiting part; 132. The first fixing seat; 133. The first driver; 134. The mounting seat;

[0034] 14. The baking mechanism; 141. The baking module; 142. The second fixing seat; 143. The second driver;

[0035] 15. The detection mechanism; 151. The detection head; 152. The third fixing seat; 153. The third driver. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described clearly and completely below in combination with the drawings in the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0037] The present application will be described below in combination with Figures 1-4 The coating detection device of the present application is described.

[0038] As shown in Figure 1 , Figure 2 and Figure 3 , the present application provides a coating detection device 1, comprising: a conveying line 11, a transfer mechanism 12, a scraper mechanism 13, a baking mechanism 14 and a detection mechanism 15. The transfer mechanism 12 is arranged on the conveying line 11, and the transfer mechanism 12 is used for containing foil 2 and slurry 3, and the conveying line 11 is used for transporting the transfer mechanism 12. The scraper mechanism 13, the baking mechanism 14 and the detection mechanism 15 are arranged in sequence along the conveying line 11. The scraper mechanism 13 comprises a scraper assembly, the scraper assembly is arranged above the conveying line 11 in a lifting manner, and the scraper assembly is used for scraping the slurry 3 on the foil 2. The baking mechanism 14 comprises a baking module 141, the baking module 141 is arranged above the conveying line 11, and the baking module 141 is used for heating the slurry 3. The detection mechanism 15 comprises a detection head 151, and the detection head 151 is used for detecting the thickness of the slurry 3 at each position.

[0039] In the present embodiment, the transfer mechanism 12 is arranged on the conveying line 11 to contain the foil 2 and the slurry 3. It can be understood that the foil 2 is laid on the transfer mechanism 12, the slurry 3 is placed on the foil 2, and the scraper mechanism 13, the baking mechanism 14 and the detection mechanism 15 are arranged in sequence along the conveying line 11, so that the transfer mechanism 12 can pass through the scraper mechanism 13, the baking mechanism 14 and the detection mechanism 15 in sequence along with the conveying line 11, to simulate the entire coating process.

[0040] Specifically, when the transfer mechanism 12 passes through the scraper mechanism 13, the scraper assembly of the scraper mechanism 13 can be lowered to contact the slurry 3 on the foil 2, and as the transfer mechanism 12 continues to move forward, the scraper assembly can scrape the slurry 3 flat to simulate the extrusion and leveling process of the die pad of the coating machine on the slurry 3, and after the scraping is completed, the scraper assembly can be raised again. Then, the transfer mechanism 12 passes through the baking mechanism 14, and the baking module 141 of the baking mechanism 14 heats the slurry 3 to dry the slurry 3 to form the pole piece. Finally, the transfer mechanism 12 passes through the detection mechanism 15, and the detection head 151 of the detection mechanism 15 can detect the thickness of the slurry 3 (i.e., the pole piece) at each position. The detection personnel can determine whether the thickness of the slurry 3 meets the process requirements according to the thickness of the slurry 3 at each position, and then determine whether the material properties of the slurry 3, the dyne value of the foil 2, and the matching of the die pad of the coating machine are qualified, and adjust the slurry 3, the foil 2, and the die pad of the coating machine based on the above.

[0041] The coating detection device 1 of the utility model, through setting transfer mechanism 12 to bear foil 2 and slurry 3 on conveying line 11, conveying line 11 can transport transfer mechanism 12, make transfer mechanism 12 can pass through scraper mechanism 13, baking mechanism 14 and detection mechanism 15 in turn, wherein, the scraper assembly of scraper mechanism 13 can scrape the slurry 3 on the foil 2, and the baking module 141 of the baking mechanism 14 can dry the slurry 3 to form the pole piece, thereby realizing the simulation of the leveling and drying process of the coating machine, and the detection head 151 of the detection mechanism 15 can detect the thickness of the slurry 3 (i.e., the pole piece) at each position. The detection result can be used as a basis for judging and adjusting the material properties of the slurry 3, the dyne value of the foil 2, and the matching of the die pad of the coating machine. In order to adjust the material properties of the slurry 3, the dyne value of the foil 2, and the die pad of the coating machine in advance before online production, reduce the waste of materials, and at the same time, it is beneficial to improve the qualified rate and coating efficiency after online production.

[0042] In some embodiments, as shown in Figure 1 , Figure 2 and Figure 3 , the scraper mechanism 13 further includes a first fixed seat 132 and a first driver 133. The first fixed seat 132 is arranged on one side of the conveying line 11, and the scraper assembly is arranged in the first fixed seat 132 in a lifting manner. The first driver 133 is arranged in the first fixed seat 132, and the first driver 133 and the scraper assembly are in transmission connection to drive the scraper assembly to lift.

[0043] In the embodiment, the first fixing base 132 is used to support other components of the fixed scraper mechanism 13, the first fixing base 132 is located at one side of the conveying line 11, part of the structure of the first fixing base 132 extends above the conveying line 11 so as to arrange the scraper assembly, and the first fixing base 132 is further provided with the first driver 133, the first driver 133 can drive the scraper assembly to lift and lower so as to scrape the slurry 3 on the moving carrier mechanism 12.

[0044] In some embodiments, as shown in Figure 1 、 Figure 2 and Figure 3 , the scraper assembly comprises the scraper 131 and the mounting seat 134, the mounting seat 134 is arranged to be liftable on the first fixing base 132, the scraper 131 is detachably mounted on the mounting seat 134, and the first driver 133 is connected with the mounting seat 134.

[0045] In the embodiment, the mounting seat 134 is arranged on the first fixing base 132 and used to mount the scraper 131, and the first driver 133 can drive the mounting seat 134 to lift and lower so as to drive the scraper 131 to lift and lower. The scraper 131 is detachably mounted on the mounting seat 134, so that the scraper 131 can be replaced at any time according to the detection requirements of the detection personnel.

[0046] Optionally, in some embodiments, the first fixing base 132 is provided with a guide rail extending in the vertical direction, the mounting seat 134 is slidably arranged on the guide rail, and the first driver 133 can drive the mounting seat 134 to slide along the guide rail; the first driver 133 can be a pneumatic cylinder.

[0047] Optionally, in some embodiments, the first fixing base 132 is provided with a transmission belt extending in the vertical direction, the mounting seat 134 is arranged on the transmission belt, and the first driver 133 is connected with a driving wheel of the transmission belt so as to drive the transmission belt to drive the mounting seat 134 to lift and lower; the first driver 133 can be a motor.

[0048] In some embodiments, as shown in Figure 1 、 Figure 2 and Figure 3 , the blade side of the scraper 131 comprises a coating part 1311 and two thinning parts 1312 arranged in the width direction of the scraper 131 (such as the Y direction in Figure 1 、 Figure 2 and Figure 4 ).

[0049] In the present embodiment, it can be understood that the blade side of the doctor blade 131 is the side of the doctor blade 131 that contacts the slurry 3, and the middle of the blade side is provided with an inner concave coating part 1311, and the two ends of the coating part 1311 are provided with outer convex thinning parts 1312. When the blade side contacts and scrapes the slurry 3, the slurry 3 scraped by the coating part 1311 corresponds to the middle of the pole piece and has a thicker thickness, and the slurry 3 scraped by the thinning part 1312 is located on both sides of the pole piece and has a thinner thickness, which can effectively prevent the slurry 3 from accumulating on the edge of the pole piece during scraping, so as to simulate the wiping effect of the coating machine die pad on the middle of the slurry 3 and the thinning effect on both sides. After the detection mechanism 15 completes the detection, the thicknesses of the thinning area and the coating area of the pole piece are detected, and it is judged whether the thickness difference between the two meets the process requirement, and one or more factors of the coating machine die pad, the slurry or the foil are adjusted based on the judgment, for example, the structure of the coating machine die pad, the component ratio of the slurry or the incoming durometer value of the foil can be adjusted.

[0050] Further, in some embodiments, as shown in Figure 1 , the blade side of the doctor blade 131 also has a limiting part 1313 corresponding to each thinning part 1312, each limiting part 1313 is located at one end of the corresponding thinning part 1312 away from the coating part 1311, and the limiting part 1313 protrudes downward relative to the corresponding thinning part 1312.

[0051] In the present embodiment, by respectively providing a limiting part 1313 at one end of each thinning part 1312 away from the coating part 1311, and the limiting part 1313 protrudes downward relative to the thinning part 1312, the limiting part 1313 can be used as a positioning reference for the thinning part 1312 during scraping, and by adjusting the height difference between the thinning part 1312 and the limiting part 1313, the different thinning effects of different coating machine die pads can be simulated. After the detection mechanism 15 completes the detection, the thicknesses of the thinning area and the coating area of the pole piece are detected, and it is judged whether the thickness difference between the two meets the process requirement, and one or more factors of the coating machine die pad, the slurry or the foil are adjusted based on the judgment, for example, the structure of the coating machine die pad, the component ratio of the slurry or the incoming durometer value of the foil can be adjusted.

[0052] In some embodiments, as shown in Figure 2 , Figure 4 and Figure 4 , the transfer mechanism 12 includes a carrier 121 and a pressing plate 122. The carrier 121 is arranged on the conveying line 11, and the carrier 121 is used to lay the foil 2. The pressing plate 122 is arranged on the carrier 121, and the pressing plate 122 is used to press on the upper side of the foil 2.

[0053] In the embodiment, the upper side of the carrier 121 is used to lay the foil 2, the slurry 3 is placed on the upper side of the foil 2, and the carrier 121 is used to move along with the conveying line 11 and sequentially pass through the scraper mechanism 13 and the baking mechanism 14. At the same time, the pressing plate 122 is arranged on the carrier 121, and the pressing plate 122 is pressed on the foil 2, so as to cooperate with the carrier 121 to clampingly fix the foil 2 and prevent the foil 2 from being deviated.

[0054] Specifically, in some embodiments, the pressing plate 122 is two, and the two pressing plates 122 are respectively pressed on the edges of the two sides of the foil 2, so that the foil 2 can be laid flat on the carrier 121.

[0055] In some embodiments, as shown in Figure 1 、 Figure 2 and Figure 3 , the baking mechanism 14 further comprises a second fixing seat 142 and a second driver 143. The second fixing seat 142 is arranged on one side of the conveying line 11, and the baking module 141 is arranged on the second fixing seat 142 in a lifting manner. The second driver 143 is arranged on the second fixing seat 142, and the second driver 143 and the baking module 141 are in transmission connection, so as to drive the baking module 141 to lift.

[0056] In the embodiment, the second fixing seat 142 is used to support and fix other components of the baking mechanism 14, the second fixing seat 142 is located on one side of the conveying line 11, part of the structure of the second fixing seat 142 extends above the conveying line 11 so as to arrange the baking module 141, and the second driver 143 is further arranged on the second fixing seat 142. The second driver 143 can drive the baking module 141 to lift, so that the baking module 141 can be as close as possible to the slurry 3, so as to heat and dry the slurry 3.

[0057] Optionally, in some embodiments, the second fixing seat 142 is provided with a guide rail extending in the vertical direction, the baking module 141 is slidably arranged on the guide rail, and the second driver 143 can drive the baking module 141 to slide along the guide rail. The second driver 143 can be a pneumatic cylinder.

[0058] Optionally, in some embodiments, the second fixing seat 142 is provided with a transmission belt extending in the vertical direction, the baking module 141 is arranged on the transmission belt, and the second driver 143 is connected with a driving wheel of the transmission belt, so as to drive the transmission belt to drive the baking module 141 to lift. The second driver 143 can be an electric motor.

[0059] In some embodiments, as shown in Figure 1 、 Figure 2 and Figure 3As shown, the detection mechanism 15 also includes a third fixed base 152 and a third driver 153. The third fixed base 152 is disposed on one side of the conveyor line 11, and the detection head 151 is movably disposed on the third fixed base 152 along a first direction. The third driver 153 is disposed on the third fixed base 152, and the third driver 153 is drively connected to the detection head 151 to drive the detection head 151 to move along the first direction. The first direction (e.g.) Figure 1 , Figure 2 and Figure 3 (As shown in the Y direction) extends horizontally and is parallel to the conveying direction of conveyor line 11 (as shown in the Y direction). Figure 1 , Figure 2 and Figure 4 Figure 1 Figure 2 Figure 3 (As shown in the X direction) Perpendicular.

[0060] In this embodiment, the third fixing seat 152 is used to support other components of the fixing detection mechanism 15. The third fixing seat 152 is located on one side of the conveyor line 11. Part of the structure of the third fixing seat 152 extends above the conveyor line 11 to set the detection head 151. The third fixing seat 152 is also provided with a third driver 153. The third driver 153 can drive the detection head 151 to move along a first direction, which is perpendicular to the conveying direction of the conveyor line 11, so as to cooperate with the conveyor line 11 to adjust the relative position of the detection head 151 and the transfer mechanism 12, thereby adjusting the relative position of the detection head 151 and the electrode formed by the slurry 3, so that the detection head 151 can detect the thickness of the electrode at different positions.

[0061] Optionally, in some embodiments, the third fixed base 152 is provided with a guide rail extending along the first direction, the detection head 151 is slidably disposed on the guide rail, and the third driver 153 is capable of driving the detection head 151 to slide along the guide rail; the third driver 153 can be a cylinder.

[0062] Optionally, in some embodiments, the third fixed base 152 is provided with a transmission belt extending along the first direction, the detection head 151 is disposed on the transmission belt, and the third driver 153 is connected to the drive wheel of the transmission belt to drive the transmission belt to drive the detection head 151 to slide along the first direction; the third driver 153 can be a motor.

[0063] Furthermore, in some embodiments, the detection mechanism 15 further includes a lifting assembly, which is movably disposed on the third fixed base 152, and the detection head 151 is disposed on the lifting assembly. A third driver 153 is drively connected to the lifting assembly to drive the lifting assembly to move along a first direction. The lifting assembly is used to drive the detection head 151 to move up and down.

[0064] In the embodiment, the third driver 153 drives the lifting assembly to move the detection head 151 along the first direction to adjust the horizontal relative position of the detection head 151 and the transfer mechanism 12 in cooperation with the conveying line 11. Meanwhile, the lifting assembly can drive the detection head 151 to ascend or descend to adjust the height of the detection head 151.

[0065] Optionally, the detection head 151 is a laser ranging sensor or a contact ranging sensor. It can be understood that when the detection head 151 is a laser ranging sensor, the laser ranging sensor does not need to be in contact with the pole piece, and does not need to be arranged on the lifting assembly. It only needs to adjust the horizontal relative position of the detection head 151 and the transfer mechanism 12 in cooperation with the conveying line 11 by the third driver 153, so that the detection head 151 can detect the distance of each position of the pole piece and the detection head 151, and combine the distance between the detection head 151 and the upper surface of the foil 2 to calculate the thickness of each position of the pole piece.

[0066] When the detection head 151 is a contact ranging sensor, the contact ranging sensor needs to be arranged on the lifting assembly. During detection, the contact ranging sensor is aligned with the detection point on the pole piece by adjusting the horizontal relative position of the detection head 151 and the transfer mechanism 12 in cooperation with the conveying line 11 by the third driver 153, and then the contact ranging sensor is driven to descend by the lifting assembly until the contact ranging sensor is in contact with the detection point on the pole piece. The contact ranging sensor records the descending distance of the lifting assembly, and combines the height of the upper surface of the foil 2 and the initial height of the contact ranging sensor to calculate the thickness of the pole piece at the detection point.

[0067] Optionally, the detection head 151 can also be a depth camera. The depth camera is used to shoot images of the pole piece formed by the slurry 3, and transmit the images to the visual identification system. The visual identification system processes the images to measure the distance, so as to obtain the distance between each position of the pole piece and the detection head 151, and combine the distance between the detection head 151 and the upper surface of the foil 2 to calculate the thickness of each position of the pole piece.

[0068] In some embodiments, the coating detection device 1 further comprises a base. The conveying line 11, the first fixed seat 132 of the doctor blade mechanism 13, the second fixed seat 142 of the baking mechanism 14, and the third fixed seat 152 of the detection mechanism 15 are all fixed on the base.

[0069] It should be finally pointed out that: the above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been explained in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A coating inspection apparatus characterized by comprising: The application relates to a foil and slurry conveying device. The device comprises a conveying line and a transfer mechanism arranged on the conveying line, the transfer mechanism being used for containing the foil and the slurry, and the conveying line being used for transporting the transfer mechanism. A scraper mechanism, a baking mechanism and a detection mechanism are arranged in sequence along the conveying line.

2. The coating inspection apparatus according to claim 1, characterized by The scraper mechanism comprises a scraper assembly arranged above the conveying line in a lifting manner, and the scraper assembly is used for scraping the slurry on the foil. The baking mechanism comprises a baking module arranged above the conveying line, and the baking module is used for heating the slurry.

3. The coating inspection apparatus according to claim 2, characterized by The detection mechanism comprises a detection head used for detecting the thickness of the slurry at different positions.

4. The coating inspection apparatus according to claim 1, characterized by The scraper mechanism further comprises a first fixing seat and a first driver.

5. The coating inspection apparatus according to claim 4, characterized by The first fixing seat is arranged on one side of the conveying line, and the scraper assembly is arranged on the first fixing seat in a lifting manner.

6. The coating inspection apparatus according to claim 1, characterized by The first driver is arranged on the first fixing seat, and the first driver and the scraper assembly are in transmission connection to drive the scraper assembly to lift. The scraper assembly comprises a scraper and a mounting seat arranged on the first fixing seat in a lifting manner.

7. The coating inspection apparatus according to claim 1, characterized by The scraper is detachably mounted on the mounting seat, and the first driver is connected with the mounting seat. The edge side of the scraper comprises a coating part and two thinning parts arranged along the width direction of the scraper.

8. The coating inspection apparatus according to claim 1, characterized by The two thinning parts are respectively located at two ends of the coating part, and the thinning parts protrude downward relative to the coating part. The edge side of the scraper further comprises a limiting part corresponding to the thinning part. Each limiting part is located at one end of the corresponding thinning part away from the coating part, and the limiting part protrudes downward relative to the corresponding thinning part. The transfer mechanism comprises a carrier and a pressing plate.

9. The coating inspection apparatus according to claim 8, characterized by The carrier is arranged on the conveying line and is used for laying the foil. The pressing plate is arranged on the carrier and is used for being arranged on the upper side of the foil.

10. The coating inspection apparatus according to claim 8 or 9, characterized by The baking mechanism further comprises a second fixing seat and a second driver. The second fixing seat is arranged on one side of the conveying line, and the baking module is arranged on the second fixing seat in a lifting manner. The second driver is arranged on the second fixing seat, and the second driver and the baking module are in transmission connection to drive the baking module to lift. The detection mechanism further comprises a third fixing seat and a third driver. The third fixing seat is arranged on one side of the conveying line, and the detection head is movably arranged on the third fixing seat along a first direction. The third driver is arranged on the third fixing seat, and the third driver and the detection head are in transmission connection to drive the detection head to move along the first direction. The first direction extends along a horizontal direction and is perpendicular to the conveying direction of the conveying line. The detection mechanism further comprises a lifting assembly movably arranged on the third fixing seat, and the detection head is arranged on the lifting assembly. The third driver and the lifting assembly are in transmission connection to drive the lifting assembly to move along the first direction. The detection head is a laser ranging sensor or a contact ranging sensor.

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