A fully automatic conductive polymer coating device

Abstract

The present invention relates to the field of polymer coating thickness measurement, and specifically to a fully automatic conductive polymer coating device. It includes a conveying unit and a coating unit, the conveying unit includes a first conveying component; the coating unit includes a coating roller, the coating unit also includes an adjustment frame, the coating roller is arranged on the adjustment frame; the adjustment frame is provided with a detection unit, the detection unit includes a distance sensor; the conveying unit also includes a second conveying component, a buffer unit is provided between the first conveyor belt and the second conveyor belt, the buffer unit includes a negative pressure roller and a rotating power part; the negative pressure roller is provided with an adsorption component, the adsorption component includes a plurality of negative pressure chambers and a plurality of adsorption ports, and the negative pressure chamber is connected to an exhaust part. The fully automatic conductive polymer coating device in the present invention can assist in judging the coating thickness during coating.

Description

Technical Field

[0001] The invention relates to the field of polymer coating thickness measurement, and in particular to a fully automatic conductive polymer coating device. Background Art

[0002] Conductive polymers are usually coated on substrates using a coating roller. After a long period of use, the coating roller may deform, become loose, and shift due to other reasons, which may cause the distance between the bottom of the coating roller and the top of the substrate to change. This may cause the thickness of the conductive polymer coated on the substrate to change, making it impossible to achieve the required resistance performance and resulting in defective products.

[0003] The current thickness detection is usually as shown in the patent "Laser Thickness Gauge for Roller Coating Production Line" disclosed in application number CN202411573105.6. A laser thickness measuring mechanism is set between the roller coater and the winder. After the coating is completed and the coating applied on the substrate is cured, the thickness is measured while winding. However, this thickness measurement method can only be used for thin film substrates that can be wound up. For block-shaped hard substrates such as glass and ceramics, since they are usually transmitted by structures such as conveyor belts, it is difficult to use distance sensors to detect from both the upper and lower sides of the substrate at the same time to determine the coating thickness. Secondly, even if the coating thickness is found to be non-compliant through the thickness measuring mechanism, it is impossible to directly determine the cause of the non-compliant coating thickness, so it is necessary to stop the machine for inspection and maintenance, and the adjustment time is long. Summary of the invention

[0004] The present invention aims to provide a fully automatic conductive polymer coating device, which assists in judging the coating thickness during coating.

[0005] To achieve the above object, the present invention adopts the following technical scheme: a fully automatic conductive polymer coating device, comprising a conveying unit and a coating unit, the conveying unit comprising a first conveying assembly, the first conveying assembly comprising a first conveyor belt and a first driving member for driving the first conveyor belt to move; the coating unit comprising a coating roller, the coating roller being laterally arranged above the first conveyor belt, the coating unit further comprising an adjusting frame, the coating roller being arranged on the adjusting frame and being able to move vertically along the adjusting frame; the adjusting frame being provided with a detection unit, the detection unit comprising a distance sensor, the distance sensor being opposite to the coating roller;

[0006] The conveying unit also includes a second conveying component, which includes a second conveyor belt and a second driving member for driving the second conveyor belt to move. A buffer unit is provided between the first conveyor belt and the second conveyor belt. The buffer unit includes a negative pressure roller and a rotating power member. The negative pressure roller extends along the width direction of the first conveyor belt. The rotating power member is connected to the negative pressure roller and is used to drive the negative pressure roller to rotate. An adsorption component is provided on the negative pressure roller. The adsorption component includes a plurality of negative pressure chambers and a plurality of adsorption ports. The negative pressure chambers are located in the negative pressure roller and are distributed along the circumference of the negative pressure roller. The adsorption ports are distributed along the circumference of the negative pressure roller and are connected to at least one negative pressure chamber. The negative pressure chambers are connected to an exhaust member.

[0007] The beneficial effects of this program are:

[0008] 1. Currently, the thickness of the conductive polymer coated on the substrate is usually detected after it solidifies. However, this measurement has a hysteresis, and the substrate between the detection position and the coating roller will become defective. In addition, since the conductive polymer on some defective products has been solidified, the substrate and the conductive polymer cannot be recycled and reused, which will undoubtedly lead to waste.

[0009] Compared with the current detection method, this solution can preferentially eliminate the situation where the coating thickness changes due to the offset and deformation of the coating roller by detecting the state of the coating roller. This detection is carried out while coating, which is more timely and produces fewer defective products.

[0010] 2. During the test, when the center line of the coating roller is higher than the distance sensor, the distance measured by the distance sensor decreases when the coating roller deviates downward; when the center line of the coating roller is lower than the distance sensor or is at the same height as the distance sensor, the distance measured by the distance sensor increases when the coating roller deviates downward; when the coating roller is bent and deformed, during multiple tests, the distance measured by the distance sensor may be both too large and too small at the same time. Therefore, this solution can also be used to assist in determining the reasons why the coating thickness does not meet the requirements, thereby quickly adjusting and resuming production.

[0011] 3. A buffer unit is provided between the first conveying assembly and the second conveying assembly. When the coated substrate moves to the negative pressure roller position along with the first conveyor belt, it is adsorbed at the negative pressure port, and is transferred to the second conveyor belt as the negative pressure roller rotates, and is conveyed to the curing process by the second conveyor belt. When the conductive polymer coated on the substrate is cured and the thickness is detected, if the thickness does not meet the requirements, the substrate can stay on the negative pressure roller and will not be transferred to the second conveyor belt. At this time, the substrate will not enter the curing process. At this time, the substrate and the uncured conductive polymer on the substrate can be recycled and reused, thereby reducing the generation of defective products and reducing costs.

[0012] Furthermore, the coating unit also includes a lead screw, which vertically penetrates the adjustment frame and forms a ball screw structure with the adjustment frame.

[0013] The beneficial effect of this solution is that the position of the coating roller can be quickly adjusted through the ball screw structure, thereby quickly adjusting the coating thickness, and the operation is simple and fast.

[0014] Furthermore, at least two distance sensors are provided.

[0015] The beneficial effect of this solution is that multiple distance sensors can detect different positions at the same time, making the detection more accurate.

[0016] Furthermore, the detection unit comprises a sliding seat and a reciprocating driving member, all the distance sensors are slidably matched with the sliding seat, and the reciprocating driving member is connected to the distance sensor and is used to drive the distance sensor to slide.

[0017] The beneficial effect of this solution is that the position of the distance sensor can be adjusted along the axial direction of the coating roller through the reciprocating drive member, thereby facilitating detection of any position of the coating roller along the axial direction, further improving detection accuracy.

[0018] Furthermore, the distance sensor is connected to a controller, and the controller can alarm when the difference between the detection values ​​of any two distance sensors is greater than a preset value.

[0019] The beneficial effect of this solution is that when the coating roller is bent and deformed, there is a large gap between the distances measured by different distance sensors. This solution can automatically prompt after detecting a large gap, so as to find the problem in time. The preset value is determined according to actual experiments and is related to the allowable error range of the coating thickness. When the difference is greater than the preset value, it means that the coating thickness error caused by the deformation of the coating roller is greater than the allowable error range.

[0020] Furthermore, the buffer unit also includes a first guide plate and a second guide plate, the first guide plate is located between the negative pressure roller and the first conveyor belt and is in contact with the first conveyor belt, and the second guide plate is located between the negative pressure roller and the second conveyor belt and is in contact with the second conveyor belt; the first guide plate and the second guide plate are both inclined so that one end close to the first conveyor belt is higher than the other end.

[0021] The beneficial effect of this solution is that the first guide plate and the second guide plate can guide the sliding of the substrate, so that the substrate can better slide from the first conveyor belt to the suction port position, and better slide onto the second conveyor belt without flipping.

[0022] Furthermore, the vertical cross-section of the first guide plate is L-shaped, and the vertical portion of the first guide plate is opposite to the adsorption port and can be attached to the adsorption port.

[0023] The beneficial effect of this solution is that the vertical portion of the first guide plate can close the adsorption port after being in contact with the adsorption port. At this time, starting the exhaust member can form a negative pressure in the negative pressure chamber before adsorbing the substrate, thereby better adsorbing the substrate.

[0024] Furthermore, an annular airbag is provided on the outer periphery of the suction port, and the annular airbag is fixed on the surface of the negative pressure roller and protrudes from the negative pressure roller.

[0025] The beneficial effect of this solution is that the annular airbag has a buffering effect on the substrate, and at the same time, when the negative pressure port adsorbs the substrate, the negative pressure port and the substrate are sealed to further improve the adsorption effect.

[0026] Furthermore, the annular airbag is connected to the negative pressure chamber, and the negative pressure chamber is connected to a high-pressure gas piece; an elastic plate is fixed to the bottom of the first guide plate, and a cleaning layer that can contact the annular airbag is fixed to one end of the elastic plate facing the negative pressure roller.

[0027] The beneficial effects of this solution are as follows: the air pressure in the negative pressure chamber can be increased quickly by the high-pressure gas component, so that the substrate can be promptly dropped from the adsorption port; at the same time, the annular airbag can be expanded, so that the contact part of the annular airbag with the substrate can contact the cleaning layer on the elastic plate. When the annular airbag is adhered to the conductive polymer, the cleaning layer is used to clean the annular airbag, so as to prevent the adhered conductive polymer from being attached to the next substrate. The elastic plate can be elastically deformed after contacting the annular airbag, so as to prevent the annular airbag from being damaged by excessive squeezing.

[0028] Furthermore, an adhesive layer is provided on the first conveyor belt, and the projection of the adhesive layer along the length direction of the first conveyor belt is located laterally to the coating area of ​​the coating roller; the buffer unit also includes a movable frame, which can move along the width direction of the first conveyor belt, and the negative pressure roller is arranged on the movable frame, and at least two groups of adsorption components on the negative pressure roller are provided.

[0029] The beneficial effect of this solution is that when the thickness of the conductive polymer coated on the substrate is unqualified, the conductive polymer on the substrate can be scraped off and the substrate can be pressed onto the adhesive layer through the annular airbag. At this time, the recovered substrate can be conveyed to the substrate feeding position through the first conveyor belt, which is convenient for the reuse of the substrate. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a three-dimensional diagram of a coating unit according to Embodiment 1 of the present invention;

[0031] Figure 2 for Figure 1 A top view of the middle coating roller;

[0032] Figure 3 is a three-dimensional diagram of a buffer unit in Example 1 of the present invention;

[0033] Figure 4for Figure 3 Right view of the middle buffer unit;

[0034] Figure 5 for Figure 3 A front view of the middle buffer unit;

[0035] Figure 6 is a three-dimensional diagram of the first conveyor belt in Example 2 of the present invention;

[0036] Figure 7 It is a right view of the buffer unit in embodiment 2 of the present invention. DETAILED DESCRIPTION

[0037] The following is further described in detail through specific implementation methods:

[0038] The figure marks in the drawings of the specification include: a first conveyor belt 1, a first guide plate 11, an elastic plate 12, a second guide plate 13, an adhesive layer 14, an adjusting frame 2, a screw 21, a forward and reverse motor 22, a coating motor 23, a sliding seat 24, a coating roller 3, a mounting seat 4, a first sensor 41, a third sensor 42, a negative pressure roller 5, a rotating power part 51, a negative pressure port 52, an annular airbag 53, a substrate 6, a conductive ring 7, a scraper 8, a collecting trough 81, a movable frame 9, and a guide rail 91.

[0039] Example 1

[0040] Example 1 is basically as Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, a fully automatic conductive polymer coating device includes a frame, a conveying unit, a coating unit, a detection unit and a buffer unit, the conveying unit includes a first conveying component and a second conveying component, the first conveying component includes a first conveyor belt 1 and a first driving member, the second conveying component includes a second conveyor belt and a second driving member, the first driving member and the second driving member both use motors to drive the first conveyor belt 1 and the second conveyor belt to move respectively, so as to convey the substrate 6 from right to left.

[0041] The coating unit includes a coating roller 3, an adjustment frame 2, a lead screw 21, a coating motor 23 and a forward and reverse motor 22. The bottom of the adjustment frame 2 is connected to the frame through a linear bearing so that the adjustment member can slide vertically. The lead screw 21 vertically penetrates the adjustment frame 2 and forms a ball screw structure with the adjustment frame 2. The forward and reverse motor 22 is connected to the lead screw 21 and the height of the adjustment frame 2 is adjusted vertically by driving the lead screw 21 to rotate. The coating roller 3 is located above the first conveyor belt 1 and extends along the width direction of the first conveyor belt 1. Both ends of the coating roller 3 are connected to the adjustment frame 2 through bearings. The coating motor 23 is installed on the adjustment frame 2 by bolts and connected to the coating roller 3, and is used to drive the coating roller 3 to rotate.

[0042] The detection unit is located on the adjustment frame 2. The detection unit includes a mounting seat 4, a reciprocating drive, two sliding seats 24 and three distance sensors. The two sliding seats 24 are respectively located on both sides of the first conveyor belt 1 and are installed on the adjustment frame 2 by bolts. The reciprocating drive adopts a forward and reverse motor, and the reciprocating drive is installed on one of the sliding seats 24. The mounting seat 4 is opposite to the coating roller 3. The three distance sensors are the first sensor 41, the second sensor and the third sensor 42, wherein the first sensor 41 and the second sensor are respectively arranged at the front and rear ends of the mounting seat 4 and are both located on the left side wall of the mounting seat 4, respectively opposite to two different positions distributed along the axial direction of the coating roller 3. The reciprocating drive drives the mounting seat 4 to slide back and forth along the width direction of the first conveyor belt 1 through a ball screw structure. The third sensor 42 is opposite to the end of the coating roller 3. In this embodiment, the third sensor 42 is arranged on the sliding seat 24. A controller is provided. Specifically, in this embodiment, a controller with a calculation module and an alarm module is used. The controller is electrically connected to the three distance sensors, and after receiving the values ​​detected by the three distance sensors, it can calculate the difference between the first sensor 41 and the second sensor, and the difference between the first sensor 41 and the second sensor and the third sensor 42 respectively, and alarm when the difference is greater than the corresponding preset value.

[0043] The buffer unit is located between the first conveyor belt 1 and the second conveyor belt. Figure 4 The buffer unit includes a negative pressure roller 5, a rotating power member 51, a first guide plate 11 and a second guide plate 13. The negative pressure roller 5 is rotatably matched with the frame. The rotating power member 51 adopts a motor. The rotating power member 51 is connected to the negative pressure roller 5 and is used to drive the negative pressure roller 5 to rotate counterclockwise. The first guide plate 11 and the second guide plate 13 are respectively located on both sides of the negative pressure roller 5. The first guide plate 11 and the second guide plate 13 are both inclined with the left end lower than the right end. The second guide plate 13 is hinged to the frame, and the first guide plate 11 and the second guide plate 13 are respectively attached to the first conveyor belt 1 and the second conveyor belt on the side away from the negative pressure roller 5.

[0044] The negative pressure roller 5 is provided with an adsorption assembly, which includes a plurality of negative pressure chambers and a plurality of adsorption ports. The plurality of negative pressure chambers are located in the negative pressure roller 5 and are evenly distributed along the circumference of the negative pressure roller 5. An exhaust member is installed in each negative pressure chamber. Specifically, the exhaust member adopts an air pump. The front side of the negative pressure roller 5 is provided with a plurality of conductive blocks along the circumference. The conductive blocks correspond to the exhaust members one by one, and the conductive blocks are connected to the exhaust members through conductive rods. A C-shaped conductive ring 7 is provided on the frame. The conductive ring 7 is coaxial with the negative pressure roller 5. The conductive ring 7 is opposite to the upper part of the negative pressure roller 5. In actual implementation, an insulating shell is provided on the outer side of the conductive ring 7 to prevent external objects or staff from contacting the conductive ring 7 and causing danger. The conductive block is also C-shaped and is attached to the conductive ring 7. At the same time, it slides along the conductive ring 7 when the negative pressure roller 5 rotates. A plurality of adsorption ports are evenly provided on the surface of the negative pressure roller 5 along the circumference. The adsorption ports correspond to the negative pressure chambers one by one and are connected to the negative pressure chambers. An annular airbag 53 is provided on the periphery of the suction port, the annular airbag 53 is fixed to the negative pressure roller 5 and protrudes from the surface of the negative pressure roller 5, and each annular airbag 53 is connected to the negative pressure cavity aligned with it through a pipeline. The first guide plate 11 is L-shaped, and the vertical part of the first guide plate 11 can be attached to the annular airbag 53 and seal the suction port.

[0045] An elastic plate 12 is fixed below the transverse portion of the first guide plate 11. Specifically, the elastic plate 12 is made of metal material that can undergo elastic deformation when subjected to force. The vertical cross-section of the elastic plate 12 is arc-shaped. There is a gap between the lower end of the elastic plate 12 and the first conveyor belt 1 for the elastic plate 12 to deform. A cleaning layer is pasted on the left side wall of the elastic plate 12. In actual implementation, the cleaning layer is made of a material that can absorb conductive polymers. The notch of the conductive ring 7 is located below the elastic plate 12 or opposite to the lower end of the elastic plate 12.

[0046] Two air inlet hoods are also provided on the rear side of the negative pressure roller 5. The air inlet hood on the left is opposite to the second guide plate 13 and is equipped with an air pump for ventilating the air into the air inlet hood. The air inlet hood on the right is opposite to the lower part of the elastic plate 12 and is connected to a high-pressure gas component. The high-pressure gas component in this embodiment adopts a high-pressure air pipe. In actual implementation, a high-pressure air pump can also be used to ventilate the air into the air inlet hood directly through the high-pressure air pump, so that during ventilation, the air pressure in the right air inlet hood is greater than the air pressure in the left air inlet hood. Both air inlet hoods are attached to the ends of the negative pressure roller 5. The rear side wall of the negative pressure roller 5 is also provided with a plurality of air inlets that connect the negative pressure chamber with the air inlet hood. A one-way valve with a certain opening pressure is installed in the air inlet to supply gas into the negative pressure chamber.

[0047] The specific implementation process is as follows:

[0048] During coating, the substrate 6 is conveyed from right to left by the conveyor belt. When the substrate 6 passes through the coating roller 3 , the conductive polymer is coated on the substrate 6 by the coating roller 3 .

[0049] In actual implementation, the absolute value of the difference between the distance sensor detection values ​​between any two positions of the coating roller 3 under the maximum allowable bending deformation of the coating roller 3 is calculated based on experiments within the allowable error range of the coating thickness, and the mode is taken as the active preset value of the difference between the first sensor 41 and the second sensor; and the difference between the detection value of the distance sensor at the maximum deformation of the coating roller 3 and the detection value of the distance sensor at the end of the coating roller 3 under the maximum allowable bending deformation of the coating roller 3 is taken as a fixed preset value.

[0050] During coating, three distance sensors are activated, and the controller activates an alarm in the following two situations: 1. The absolute value of the difference between the detection values ​​of the first sensor 41 and the second sensor is greater than the active preset value; 2. The difference between the detection value of any one of the first sensor 41 and the second sensor and the detection value of the third sensor 42 is greater than the fixed preset value. In this way, it is possible to preliminarily determine whether the thickness of the conductive polymer coated on the substrate 6 exceeds the requirement, and at the same time, according to the detection results of the first sensor 41 and the second sensor, it is determined whether the cause of the error is the displacement of the coating roller 3 or the deformation of the coating roller 3.

[0051] The substrate 6 coated with the conductive polymer continues to be conveyed to the left by the first conveyor belt 1, and finally slides to the left along the first guide plate 11 to a position against the negative pressure roller 5. During the rotation of the negative pressure roller 5, the exhaust member is activated to exhaust the gas in the negative pressure chamber, so that negative pressure is formed in the negative pressure chamber. When the adsorption port is opposite to the substrate 6, the bottom of the substrate 6 not coated with the conductive polymer is adsorbed, and the substrate 6 is transported counterclockwise.

[0052] During the rotation of the negative pressure roller 5, the adsorption port rotates to the top of the elastic plate 12 and then first adheres to the vertical part of the L-shaped first guide plate 11. The first guide plate 11 seals the adsorption port to form a negative pressure in the negative pressure chamber. As the negative pressure in the negative pressure chamber is formed, the annular airbag 53 deforms toward the side close to the negative pressure roller 5. At this time, the adsorption port moves to the upper end of the vertical part and quickly adsorbs the substrate 6 that is attached to the negative pressure roller 5 when it separates from the first guide plate 11, so the adsorption effect is better.

[0053] When the substrate 6 rotates to a position relative to the second guide plate 13, the exhaust part is powered off, and the air pump ventilates the air into the air inlet hood on the left side, so that the air pressure in the negative pressure chamber increases, and the adsorption port no longer adsorbs the substrate 6. The substrate 6 slides along the second guide plate 13 to the second conveyor belt and is conveyed to the next process by the second conveyor belt.

[0054] The thickness of the conductive polymer solidified on the substrate 6 is detected by an existing thickness gauge. When the thickness is still greater than the allowable error range, the second guide plate 13 is rotated, and when the substrate 6 is rotated to the position of the second guide plate 13, it is no longer passed into the air inlet hood on the left side, so that the substrate 6 can stay on the negative pressure roller 5 and rotate with the negative pressure roller 5. As a result, a number of substrates 6 can be adsorbed on the negative pressure roller 5, and the substrate 6 can be prevented from entering the next curing process with the second conveyor belt without shutting down the entire production line. At this time, since the conductive polymer has not solidified, it is convenient to separate the conductive polymer from the substrate 6, and recycle them separately for reuse, thereby reducing production costs.

[0055] Example 2

[0056] On the basis of Example 1, Figure 6 and Figure 7 As shown, the front and rear parts of the first conveyor belt 1 in this embodiment are both provided with an annular adhesive layer 14, and the two adhesive layers 14 are located at the front and rear sides of the coating area of ​​the coating roller 3. At the same time, the two adhesive layers 14 are also located at the front and rear sides of the elastic plate 12. There are two groups of adsorption components, and the two groups of adsorption components are respectively located at the left and right parts of the negative pressure roller 5, and when one of the adsorption components is opposite to the coating area of ​​the coating roller 3, the other adsorption component is opposite to one of the adhesive layers 14.

[0057] Each coating assembly includes a conductive ring 7 and an air intake hood, wherein the conductive ring 7 and the air intake hood of one coating assembly are arranged at the front side of the negative pressure roller 5, and the conductive ring 7 and the air intake hood of the other coating assembly are arranged at the rear side of the negative pressure roller 5.

[0058] The buffer unit also includes a movable frame 9, on which a guide rail 91 is provided, which extends along the width direction of the first conveyor belt 1. The movable frame 9 slides with the frame through the guide rail 91, and a forward and reverse motor is provided on the frame. The forward and reverse motor can drive the movable frame 9 to move along the width direction of the first conveyor belt 1 through a ball screw structure.

[0059] A collecting trough 81 is installed on the movable frame 9 by bolts, and a scraper 8 is clamped on the top of the collecting trough 81. The top of the scraper 8 is lower than the negative pressure roller 5, and the conductive polymer on the substrate 6 coated with the conductive polymer is scraped off when the negative pressure roller 5 rotates to the bottom of the negative pressure roller 5.

[0060] In this embodiment, two conductive rings 7 are provided, and the two conductive rings 7 are respectively opposite to the top and bottom of the negative pressure roller 5, so that the negative pressure port 52 adsorbing the substrate 6 can still maintain negative pressure after rotating to the lower part, thereby improving the adsorption effect of the substrate 6. When the thickness of the conductive polymer coated on the substrate 6 is unqualified, the substrate 6 rotates to a position opposite to the scraper 8 along with the negative pressure roller 5, and the unsolidified conductive polymer on the substrate 6 is scraped off by the scraper 8.

[0061] When more substrates are adsorbed on the negative pressure roller 5, the sliding movable frame 9 can slide another adsorption component to a position opposite to the coating area of ​​the coating roller 3. At this time, the substrate 6 adsorbed on the negative pressure roller 5 moves to a position relative to the adhesive layer 14. When the substrate 6 rotates to a position relative to the air inlet hood on the right, the high-pressure gas quickly enters the negative pressure chamber and blows the substrate toward the side close to the adhesive layer 14. At the same time, the high-pressure gas enters the annular airbag 53 and expands the annular airbag 53, pressing the substrate against the adhesive layer 14, so that the substrate will not fall off the adhesive layer 14, and moves to the right with the first conveyor belt 1 to the substrate 6 feeding position on the right, further facilitating the recycling of the substrate 6.

[0062] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A fully automatic conductive polymer coating device, comprising a conveying unit and a coating unit, wherein the conveying unit comprises a first conveying assembly, wherein the first conveying assembly comprises a first conveying belt and a first driving member for driving the first conveying belt to move; wherein the coating unit comprises a coating roller, wherein the coating roller is transversely arranged above the first conveying belt, wherein: The coating unit further comprises an adjusting frame, the coating roller is arranged on the adjusting frame and can move vertically along the adjusting frame; a detection unit is arranged on the adjusting frame, the detection unit comprises a distance sensor, and the distance sensor is opposite to the coating roller; The conveying unit also includes a second conveying assembly, the second conveying assembly includes a second conveyor belt and a second driving member for driving the second conveyor belt to move, a buffer unit is provided between the first conveyor belt and the second conveyor belt, the buffer unit includes a negative pressure roller and a rotating power member, the negative pressure roller extends along the width direction of the first conveyor belt, the rotating power member is connected to the negative pressure roller and is used to drive the negative pressure roller to rotate; the negative pressure roller is provided with an adsorption assembly, the adsorption assembly includes a plurality of negative pressure chambers and a plurality of adsorption ports, the negative pressure chambers are located in the negative pressure roller and are distributed along the circumference of the negative pressure roller, the adsorption ports are distributed along the circumference of the negative pressure roller and are connected to at least one negative pressure chamber, and the negative pressure chamber is connected with an exhaust member; The buffer unit further includes a first guide plate and a second guide plate, the first guide plate is located between the negative pressure roller and the first conveyor belt and is in contact with the first conveyor belt, the second guide plate is located between the negative pressure roller and the second conveyor belt and is in contact with the second conveyor belt; the first guide plate and the second guide plate are both inclined so that one end close to the first conveyor belt is higher than the other end; An annular airbag is provided on the periphery of the adsorption port, which is fixed on the surface of the negative pressure roller and protrudes from the negative pressure roller. The annular airbag is connected to the negative pressure chamber, and the negative pressure chamber is connected to a high-pressure gas piece. An elastic plate is fixed to the bottom of the first guide plate, and a cleaning layer that can contact the annular airbag is fixed to one end of the elastic plate facing the negative pressure roller.

2. A fully automatic conductive polymer coating device according to claim 1, characterized in that: The coating unit also includes a lead screw, which vertically penetrates the adjustment frame and forms a ball screw structure with the adjustment frame.

3. A fully automatic conductive polymer coating device according to claim 2, characterized in that: At least two distance sensors are provided.

4. A fully automatic conductive polymer coating device according to claim 3, characterized in that: The detection unit comprises a sliding seat and a reciprocating driving member, all distance sensors are slidably matched with the sliding seat, and the reciprocating driving member is connected with the distance sensor and is used for driving the distance sensor to slide.

5. A fully automatic conductive polymer coating device according to claim 4, characterized in that: The distance sensor is connected to a controller, and the controller can alarm when the difference between the detection values ​​of any two distance sensors is greater than a preset value.

6. The fully automatic conductive polymer coating device according to claim 1, characterized in that: The vertical cross section of the first guide plate is L-shaped, and the vertical portion of the first guide plate is opposite to the adsorption port and can be attached to the adsorption port.

7. A fully automatic conductive polymer coating device according to claim 6, characterized in that: An adhesive layer is provided on the first conveyor belt, and the projection of the adhesive layer along the length direction of the first conveyor belt is located laterally to the coating area of ​​the coating roller; the buffer unit also includes a movable frame, which can move along the width direction of the first conveyor belt, and the negative pressure roller is arranged on the movable frame, and at least two groups of adsorption components on the negative pressure roller are provided.

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