Sealing scraper of coating machine

Abstract

The utility model relates to a coating machine sealing scraper which comprises a material storage block, two scrapers and a coating roller, a material containing cavity is arranged inside the material storage block, an opening communicated with the material containing cavity is arranged on the material storage block, the coating roller abuts against the opening, the number of the scrapers is two, the two scrapers are symmetrically arranged on the edge of the opening, and the coating roller is arranged on the opening. The two scrapers are movably arranged, can move towards the coating roller and seal the opening together with the coating roller; the material storage block is provided with a feeding and discharging mechanism, the feeding and discharging mechanism comprises a plurality of feeding pipes and a plurality of discharging pipes, the feeding pipes and the discharging pipes are arranged at intervals, the feeding pipes and the discharging pipes are communicated with the material containing cavity, and each feeding pipe or each discharging pipe is provided with an adjusting valve. The coating device has the advantages that the applicability is high, the inlet and outlet flow of coating liquid can be adjusted, the coating liquid is less in residue and precipitate, the coating is more uniform, and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of coating scrapers of coating machines, and specifically, it is a sealing scraper of a coating machine. Background Art

[0002] The sealing scraper of a coating machine is a key structure on the coating machine. By setting a sealed chamber, a closed space is formed during the coating process. In this space, the coating material is transported to the coating area through one or more feed ports, and the scraper is located on one side of the coating area and contacts the surface of the substrate. When the substrate passes through the coating area, the coating liquid is first coated on the surface of the substrate, and then the scraper immediately follows to scrape off the excess coating material, leaving a uniform coating layer. The design of the sealing scraper can effectively control the flow rate of the coating material, avoid leakage or splashing of the coating material, and at the same time collect and recycle the excess coating material, reducing waste and environmental pollution.

[0003] Currently, in the existing technology, a sealing scraper of a coating machine often corresponds to a single type of coating roller and cannot be adapted to diverse coating processes, resulting in poor applicability; the design of the inlet and outlet of the sealing scraper is unreasonable, causing coating liquid residue at both ends of the sealing scraper groove during the production process. After long-term production, precipitation will occur in the coating liquid in the chamber, and the flow of the coating liquid in various parts of the chamber is uneven, which will also cause uneven coating on the coating end face of the product, affecting the coating effect and resulting in a decrease in the yield of the product. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a sealing scraper of a coating machine, aiming to solve the technical problems existing in the prior art, such as poor applicability of different types of coating rollers, unreasonable design of the inlet and outlet of the coating liquid, which makes the flow rate of the coating liquid non-adjustable, coating liquid residue or even precipitation, and uneven coating.

[0005] To solve the above technical problems, the utility model provides a sealing scraper of a coating machine, including: a material storage block, a scraper, and a coating roller. A material storage cavity is provided inside the material storage block, and an opening communicating with the material storage cavity is provided on the material storage block. The coating roller abuts against the opening. There are two scrapers, and the two scrapers are symmetrically arranged at the edge of the opening. The two scrapers are movably arranged and can move towards the coating roller to jointly close the opening with the coating roller; an inlet and outlet mechanism is provided on the material storage block, and the inlet and outlet mechanism includes a plurality of feed pipes and a plurality of discharge pipes arranged at intervals. The plurality of feed pipes and discharge pipes are all communicated with the material storage cavity, and a regulating valve is provided on each feed pipe or discharge pipe.

[0006] The scraping blades are symmetrically arranged at the edges of the opening of the material storage block and can move towards the coating roller to close the opening together with the coating roller, forming a closed material-containing cavity, reducing the volatilization and splashing of the coating liquid, improving the environmental protection performance, reducing the possibility of external impurities entering the coating area, and ensuring the quality and purity of the coating; when using coating rollers with different thicknesses or substrates with different thicknesses, the distance between the scraping blade and the coating roller can be adjusted to improve the applicability of the sealing scraping blade of this coating machine;

[0007] Multiple feed pipes and multiple discharge pipes are arranged at intervals, which can increase the flow rate of the coating liquid into and out of the material-containing cavity, increase the positions where the coating liquid flows into or out of the material-containing cavity and evenly distribute these positions, so that the coating liquid in each part of the material-containing cavity keeps uniform and timely flow, further improving the coating effect;

[0008] The regulating valve controls the flow rate of the coating liquid in the feed pipe and the discharge pipe when the coating liquid enters and exits the material-containing cavity, further ensuring that the coating liquid in the material-containing cavity can be kept uniform when the coating liquid enters the material-containing cavity, and avoiding too much or too little coating liquid flowing out when the coating liquid exits the material-containing cavity, resulting in uneven coating or coating liquid residue or even precipitation, so as to improve the coating effect.

[0009] Preferably, the coating roller includes a roller shaft main body and two positioning rotating wheels. The two positioning rotating wheels are located at both ends of the roller shaft main body and abut against the roller shaft main body and the material storage block. The roller shaft main body abuts against the opening, and the roller shaft main body can rotate relative to the positioning rotating wheels.

[0010] The positioning rotating wheels fix the relative position of the roller shaft main body at the position abutting against the opening of the material storage block, having the ability to position the coating roller; the positioning rotating wheels remove the gap between it and the roller shaft main body or the material storage block, and together with the movable scraping blade form a sealed material-containing cavity, ensuring the sealing performance among the coating roller, the material storage block, and the scraping blade; the roller shaft main body can rotate relative to the positioning rotating wheels. Therefore, when the two positioning rotating wheels remain unchanged, other roller shaft main bodies with different thicknesses can be used to rotatably connect the two positioning rotating wheels and abut against the opening of the material storage block, while being able to distinguish the functional areas of the coating roller, improving the applicability to coating rollers with different thicknesses.

[0011] Preferably, the material storage block is provided with two symmetric positioning blocks. The two positioning blocks are located at both ends of the opening along the axial direction of the coating roller, and the two positioning blocks are opposite to and abut against the two positioning rotating wheels.

[0012] Two positioning blocks are symmetrically arranged at both ends of the opening along the axial direction of the coating roller, replacing the original material storage block's restriction on both ends of the opening along the axial direction of the coating roller. When removing the two positioning blocks, the opening can completely penetrate the material storage block, weakening the integrity of the sealing blade of this coating machine and improving the flexibility of the structural design of the material storage block, facilitating subsequent maintenance and expansion. The two positioning blocks are opposite to and in contact with the two positioning rotating wheels, determining the relative position between the coating roller and the material storage block to ensure that the material-containing cavity can form a sealed state.

[0013] Preferably, two symmetrically arranged blade holders are provided on the material storage block. The blade holders are used to support the blade. On the side of the blade holder close to the coating roller, there is a blade groove extending along the axial direction of the coating roller. The blade can be slidably inserted and removed from the blade groove, and the sharp end of the blade extends towards the outside of the blade groove and can intersect with the coating roller.

[0014] The blade holder provided with the blade groove can accommodate and support the blade, rather than setting the blade on the material storage block, which can further weaken the integrity of the sealing blade of this coating machine, improve the flexibility of the blade design, and also facilitate subsequent maintenance. At the same time, the blade groove can provide a specified direction for the sliding insertion and removal of the blade, ensuring the stability and accuracy of the blade movement, preventing the blade from shifting during movement, resulting in the destruction of the parallel relationship between the blade and the coating roller, and thus affecting the coating effect. The sharp end of the blade extends towards the outside of the blade groove and can intersect with the coating roller, enabling the substrate between the coating roller and the blade to be stably coated by the blade, ensuring that the material-containing cavity can form a sealed state.

[0015] Preferably, the blade is connected with an adjusting member and a plurality of spaced limiting columns. The adjusting member and the plurality of limiting columns extend to the outside of the blade holder. The adjusting member can drive the blade to move towards the coating roller, and the limiting columns are slidably connected with the blade holder.

[0016] The adjusting member can drive the blade to move towards the coating roller, adjusting the distance between the blade and the coating roller to adapt to coating rollers of different thicknesses or substrates of different thicknesses, ensuring that while forming a sealed state of the material-containing cavity, stable coating can be carried out. The limiting columns extend to the outside of the blade holder, that is, when the blade slides along the specified direction of the blade groove, it will also be restricted by the blade holder in the sliding direction of the limiting columns, which can further ensure the stability and accuracy of the blade movement, prevent the blade from shifting during movement, resulting in the destruction of the parallel relationship between the blade and the coating roller, and thus affecting the coating effect. The multiple limiting columns further enhance the above effects.

[0017] Preferably, the adjusting member includes an adjusting knob and a screw rod. One end of the screw rod is rotatably clamped to the blade, the screw rod is in threaded fit with the blade holder, and the other end of the screw rod extends to the outside of the blade holder and is detachably connected with the adjusting knob.

[0018] The adjusting member includes an adjusting knob and a screw rod, and different functional areas of the adjusting member can be distinguished; the screw rod is in threaded fit connection with the blade holder, which can ensure the stability and reliability of the transmission between the screw rod and the blade holder, and further improve the stability and reliability when the blade moves along the blade groove to adjust the distance between the blade and the coating roller; the adjusting knob is detachably connected to one end of the screw rod. When the blade needs to be replaced, the adjusting knob can be detached, and then the screw rod can be rotated to take out the blade. When the adjusting knob is installed, on the one hand, the screw rod can be rotated quickly and stably, improving the efficiency and stability during the adjustment of the adjusting member; on the other hand, it can prevent the screw rod from detaching from the blade holder, avoiding safety accidents caused by the blade detaching from the blade holder.

[0019] Preferably, a displacement scale of the blade is provided on the limiting post, and a fastener is provided at one end of the limiting post extending outside the blade holder. The fastener is in threaded fit connection with the limiting post and abuts against the blade holder.

[0020] The displacement scale can intuitively show the moving distance of the blade, improving the accuracy when adjusting the distance between the blade and the coating roller; the threaded fit connection between the fastener and the limiting post can enhance the reliability of the connection between the fastener and the limiting post, preventing relative movement between the fastener and the limiting post due to external interference. Coupled with the fastener abutting against the blade holder, it is equivalent to applying an outward pulling force to the limiting post and the blade, and cooperating with the threaded connection between the adjusting member and the blade holder, making the force on the blade balanced and fixing the position of the blade, further improving the stability and reliability when the adjusting member adjusts the distance between the blade and the coating roller.

[0021] Preferably, a main feed pipe is connected between multiple feed pipes, and a main discharge pipe is connected between multiple discharge pipes. Both the main feed pipe and the main discharge pipe are provided with material conveying ports.

[0022] The main feed pipe and the main discharge pipe can integrate the coating liquid flow rates of each branch pipe, saving the use space and material cost of the inlet and outlet pipes. For each branch feed pipe, it can avoid the problem of uneven coating caused by large flow rate differences between the branch feed pipes, resulting in uneven coating liquid in each area of the material storage cavity; for each branch discharge pipe, it can make the flow rates of the coating liquid flowing out of each branch discharge pipe uniform and stable, preventing the flow rate of the coating liquid flowing out of the material storage cavity from remaining stable, and preventing coating liquid residue or even precipitation.

[0023] Preferably, multiple feed pipes and multiple discharge pipes are in threaded fit connection with the storage block.

[0024] Threaded fit connection can, on the one hand, ensure the stability and reliability of the connection between the feed pipe or the discharge pipe and the storage block, preventing the feed pipe or the discharge pipe from detaching from the storage block due to external interference. On the other hand, the feed pipe and the discharge pipe are detachable, facilitating loading, unloading, and subsequent maintenance.

[0025] Preferably, locking members are provided at the joints between the multiple feed pipes and the multiple discharge pipes and the storage block, and one end of each locking member abuts against the storage block.

[0026] The function of the locking member is similar to that of the fastener on the limiting post, which can further lock the feed pipe or the discharge pipe onto the storage block, preventing relative movement between the feed pipe or the discharge pipe and the storage block due to external interference, and further improving the stability and reliability of the connection between the feed pipe or the discharge pipe and the storage block.

[0027] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0028] A structure for adjusting the distance between the adjustable scraper and the coating roller is adopted. When using coating rollers with different thicknesses or substrates with different thicknesses, the distance between the scraper and the coating roller can be adjusted to improve the applicability of the sealing scraper of this coating machine.

[0029] Multiple feed pipes and multiple discharge pipes are arranged at intervals. While increasing the flow rate of the coating liquid entering and leaving the material storage cavity, the positions where the coating liquid flows into or out of the material storage cavity are increased and evenly distributed, making the coating liquid in the material storage cavity evenly distributed and stably flowing, preventing the coating liquid from remaining or even precipitating, further making the coating more uniform, and improving the quality of the coated product.

[0030] In addition, a regulating valve is adopted to control the flow rate of the coating liquid entering and leaving the material storage cavity, further ensuring that the coating liquid can be evenly distributed when entering the material storage cavity and maintaining a stable flow rate when flowing out of the material storage cavity, preventing uneven coating or the coating liquid from remaining or even precipitating, further making the coating more uniform, and improving the quality of the coated product. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0032] Figure 1 It is a schematic diagram of the overall structure of a sealing scraper of a coating machine.

[0033] Figure 2Front view of a sealing blade for a roll - less coater

[0034] Figure 3 Schematic structural diagram of the blade

[0035] Figure 4 Cross - sectional view of the blade holder

[0036] Icons: 10 - material storage block; 11 - material containing cavity; 12 - opening; 13 - positioning block; 20 - blade; 21 - adjusting part; 211 - adjusting knob; 212 - screw rod; 22 - limiting post; 221 - fastening part; 2211 - fastening knob; 30 - blade holder; 31 - blade groove; 40 - coating roller; 41 - roller main body; 42 - positioning runner; 50 - feed pipe; 51 - main feed pipe; 60 - discharge pipe; 61 - main discharge pipe; 70 - material conveying port; 80 - regulating valve; 90 - locking part Specific embodiments

[0037] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein

[0038] In the description of the present utility model, it should be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model

[0039] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined

[0040] In this embodiment, please refer to Figure 1 and Figure 2As shown in the figure, the present utility model provides a sealing blade for a coater, which includes a material storage block 10, a blade 20, and a coating roller 40. A material containing cavity 11 is provided inside the material storage block 10 for containing coating liquid. One side of the material storage block 10 is provided with a long strip-shaped opening 12 along the length direction of the material storage block 10. This long opening 12 makes the material containing cavity 11 communicate with the outside to form a groove shape. The coating roller 40 abuts against this opening 12. The axial direction of the coating roller 40 is parallel to the length direction of the material storage block 10. Movable blades 20 are provided on both edges of the opening 12 in the radial direction of the coating roller 40. The blade 20 can move towards the coating roller 40 and, together with the coating roller 40 and the material storage block 10, close the opening 12 to form a sealed structure of the material containing cavity 11.

[0041] On one side of the material storage block 10, a plurality of feed pipes 50 and a plurality of discharge pipes 60 are arranged at intervals along the axial direction of the coating roller 40. The plurality of feed pipes 50 and the plurality of discharge pipes 60 are both communicated to the inside of the material containing cavity 11. Control valves 80 for adjusting the flow rate of the coating liquid are provided on these feed pipes 50 and discharge pipes 60.

[0042] It can be understood that under the requirement that the coating roller 40 abuts against the opening 12 and finally forms a sealed structure of the material containing cavity 11, corresponding convex structures should be provided at the opposite ends of the material storage block 10 and the coating roller 40. This convex structure can abut against the coating roller 40 and at the same time participate in closing the material containing cavity 11. The movable structure of the blade 20 can be that the blade 20 is slidably clamped in the material storage block 10 and the blade 20 and the material storage block 10 are locked by bolts, or it can be that the blade 20 can be driven by a screw rod to generate relative movement with respect to the material storage block and other various structures. When the plurality of feed pipes 50 and the plurality of discharge pipes 60 are arranged at intervals, they need to satisfy the same axial interval along the coating roller and be as much as possible in the same plane. Because the coating liquid enters the material containing cavity 11 from the plurality of feed pipes 50, the coating liquid in the material containing cavity 11 should be evenly distributed. When the coating liquid flows out of the material containing cavity 11 from the plurality of feed pipes 50, the flow rate of the coating liquid reduced in each area in the material containing cavity 11 should also be kept evenly stable.

[0043] In this embodiment, please refer to Figure 1 As shown in the figure, the coating roller 40 includes a roller shaft main body 41 and two positioning runners 42. The two positioning runners 42 respectively abut against both ends of the roller shaft main body 41. The two positioning runners 42 abut against the material storage block 10 so that the roller shaft main body 41 abuts against the opening 12. The roller shaft main body 41 can rotate relative to the two positioning runners 42.

[0044] It can be understood that the two positioning runners 42 and the convex structure on the aforementioned material storage block 10 are responsible for positioning the position of the roller shaft main body 41 relative to the opening 12, and the two positioning runners 42 participate in closing the material containing cavity 11, but there is no relative movement between the two positioning runners 42 themselves and the material storage block 10.

[0045] Therefore, the roller body 41 with other thicknesses can be replaced, but it should be noted that the roller body 41 needs to be intersected by the scraper 20, the rotatable connection between the roller body 41 and the two positioning rollers 42, and the requirements for the two positioning rollers 42 and the roller body 41 regarding the sealed material storage cavity 11; a matching slot structure can also be provided on the two positioning rollers 42 and the material storage block 10 to further meet the positioning and sealing requirements of the material storage cavity 11.

[0046] Specifically, the material storage block 10 is provided with two symmetrically arranged positioning blocks 13. The two positioning blocks 13 are located at both ends of the opening 12 along the axial direction of the coating roller 40, and the two positioning blocks 13 are respectively opposite to and abutted against the two positioning rollers 42.

[0047] It can be understood that the two positioning blocks 13 can be regarded as the aforementioned convex structures and are independent of the material storage block 10. Their shape structures fit the positioning rollers 42 and participate in the sealing of the material storage cavity 11 together with the positioning rollers 42.

[0048] Therefore, when the shape structures of the two positioning blocks 13 change, the shape structures of the positioning rollers 42 can also change accordingly to adapt to the roller bodies 41 of different types and thicknesses.

[0049] In this embodiment, please refer to Figure 2 and Figure 4 As shown, the material storage block 10 is provided with two scraper holders 30. The two scraper holders 30 are symmetrically and parallel to the axial direction of the coating roller 40 and are located on both side edges of the opening 12 for supporting the scraper 20. A scraper groove 31 is provided on the side of the scraper holder 30 close to the coating roller 40. The scraper groove 31 extends along the axial direction of the coating roller 40. The scraper 20 can be slidably inserted and removed from the scraper groove 31. The sharp end of the scraper 20 extends towards the outside of the scraper groove 31 and can intersect the coating roller 40.

[0050] It can be understood that when the extension lines between the two scraper holders 30 can intersect the coating roller 40, a certain angle can be formed that contracts from the edge of the opening 12 towards the outside of the coating roller 40; the connection between the scraper holder 30 and the material storage block 10 can be fixed or detachable; the scraper 20 slides in and out of the scraper groove 31. After adjusting the position of the scraper 20, the scraper 20 can be fixed; the shape of the scraper 20 is not necessarily sheet-shaped and can also be a special-shaped structure as long as its sharp end can intersect the coating roller 40.

[0051] In addition, a matching slot structure 32 can also be provided on the scraper holder 30 and the material storage block 10 to install the scraper holder 30 more quickly and accurately.

[0052] Specifically, please refer to Figure 2 and Figure 3As shown, an adjusting member 21 and a plurality of spaced limiting posts 22 are provided on the blade 20. The adjusting member 21 and the plurality of limiting posts 22 are both located on the side of the blade 20 close to the bottom of the blade groove 31. The directions of the adjusting member 21 and the plurality of limiting posts 22 extend towards the sliding direction of the blade 20 to the outside of the blade holder 30. The adjusting member 21 can drive the blade 20 to approach or move away from the coating roller 40 along the blade groove 31. The plurality of limiting posts 22 are slidably connected to the blade holder 30.

[0053] It can be understood that the adjusting member 21 and the plurality of limiting posts 22 pass through the blade holder 30 from the blade groove 31. The adjusting member 21 is located in the middle area of the blade 20, and the plurality of limiting posts 22 are spaced and evenly distributed in other areas of the blade 20. The connection of the adjusting member 21 and the plurality of limiting posts 22 to the blade 20 is to move the blade 20 and limit the position deviation of the blade 20.

[0054] Therefore, the adjusting member 21 and the plurality of limiting posts 22 can also be arranged at other parts of the blade 20, as long as the above functions can be achieved.

[0055] More specifically, please refer to Figure 3 As shown, the adjusting member 21 includes an adjusting knob 211 and a screw 212. One end of the screw 212 is rotatably clamped on the blade 20. The middle part of the screw 212 is threadedly connected to the blade holder 30, and the other end extends to the outside of the blade holder 30 and is detachably connected to the adjusting knob 211.

[0056] It can be understood that the screw 212 is rotatably connected to the blade 20, but the screw 212 is clamped in the blade 20 instead of being threadedly connected. When the screw 212 rotates along the thread of the blade holder 30 and has a relative movement with the blade holder 30, although the screw 212 rotates with the blade 20, their relative positions do not change. Therefore, the blade 20 can move with the movement of the screw 212. When disassembling the blade 20, the screw 212 needs to be completely screwed out of the blade holder 30. Therefore, the adjusting knob 211 is detachable, and this detachable connection can be a bolt connection or a snap connection, etc.

[0057] More specifically, please refer to Figure 3 As shown, a displacement scale (not shown) is provided on the limiting post 22. This scale can represent the displacement distance of the blade 20. One end of the limiting post 22 extending to the outside of the blade holder 30 is provided with a fastener 221. The fastener 221 is threadedly connected to the limiting post 22 and abuts against the blade holder 30.

[0058] It can be understood that when the coating roller 40 with different thicknesses can be replaced, the scale on the limit post 22 is only used as a reference for the moving distance of the scraper 20 each time the adjusting member 21 adjusts the scraper 20; rotating the fastener 221 causes the fastener 221 to move along the limit post 22 until it abuts against the storage block 10. The fastener 221 generates a thrust on the scraper holder 30 and applies a reverse force to the limit post 22. This reverse force extends towards the extended end of the limit post 22 and is regarded as an outward pulling force applied to the limit post 22. However, the screw 212 of the adjusting member 21 restricts the sliding of the scraper 20. When there are multiple limit posts 22, the positions of the multiple limit posts 22 should be symmetric with the adjusting member 21 as the center, so that the pulling forces on both sides of the scraper 20 are uniform, and together with the adjusting member 21, they restrict the relative movement between the scraper 20 and the scraper holder 30.

[0059] In addition, a scale can also be set on the positioning runner 42 to visually display the distance between the scraper 20 and the roller shaft body 41; the fastener 221 can also be provided with a fastening knob 231 to assist in the loading and unloading of the fastener 2211.

[0060] In this embodiment, please refer to Figure 1 As shown, the multiple feed pipes 50 are connected by a main feed pipe 51, and the multiple discharge pipes 60 are connected by a main discharge pipe 61. Both the main feed pipe 51 and the main discharge pipe 61 are provided with a material conveying port 70.

[0061] It can be understood that the travel between the material conveying port 70 and the multiple feed pipes 50 or the multiple discharge pipes 60 should be kept as the same or with a small difference as much as possible. In this way, when reducing the adjustment requirement for the regulating valve 80, the flow rates between the respective feed pipes 50 or the respective discharge pipes 60 can also be kept uniform.

[0062] In this embodiment, please refer to Figure 1 As shown, the multiple feed pipes 50 and the multiple discharge pipes 60 are both connected to the storage block 10 by threaded fit.

[0063] It can be understood that for the convenience of production and processing, the threads can be provided on the outer surfaces of the feed pipe 50 and the discharge pipe 60, and the storage block 10 is provided with corresponding threaded holes. Of course, internal threads can also be provided on the inner surfaces of the feed pipe 50 and the discharge pipe 60. Correspondingly, the storage block 10 needs to be provided with a cylindrical structure with external threads adapted to the internal threads.

[0064] Specifically, a locking member 90 is also provided at the connection between the multiple feed pipes 50 and the multiple discharge pipes 60 and the storage block 10, and one end of the locking member 90 abuts against the storage block 10.

[0065] It can be understood that, when threads are provided on the outer surfaces of the feed pipe 50 and the discharge pipe 60 and corresponding threaded holes are provided in the storage block 10, the locking piece 90 is also connected with the outer surface threads. The locking piece 90 is continuously rotated so that the locking piece 90 moves along the feed pipe 50 or the discharge pipe 60 to one end abutting the storage block 10. The locking piece 90 applies a thrust to the storage block 10 and also applies a reverse thrust to the feed pipe 50 or the discharge pipe 60. Due to the stable threaded connection between the feed pipe 50 or the discharge pipe 60 and the storage block 10, the feed pipe 50 or the discharge pipe 60 is tightened and will not cause relative movement with the storage block 10 due to external interference.

[0066] The specific application process of the utility model is as follows:

[0067] Screw multiple feed pipes 50 and multiple discharge pipes 60 into the threaded holes of the storage block 10, use multiple locking members 90 to lock the multiple feed pipes 50 and multiple discharge pipes 60 on the storage block 10, use the main feed pipe 51 to connect the multiple feed pipes 50, and the main discharge pipe 61 to connect the multiple discharge pipes 60, select the required roller body 41, install two positioning wheels 42, the two positioning wheels 42 abut the two ends of the roller body 41, and abut the two positioning wheels 42 against the two positioning blocks 13 respectively. At this time, the roller body 41 abuts the opening 12 of the material cavity 11, and use the adjusting member 21 to adjust the distance between the scraper 20 and the roller body 41 to make the material cavity 11 sealed.

[0068] The coating liquid enters the main feed pipe 51 from the feed port 70, and then flows from the main feed pipe 51 to each feed pipe 50. The regulating valve 80 on each feed pipe 50 is adjusted so that the coating liquid in each feed pipe 50 can enter the material chamber 11 at a stable and convergent flow rate, so that the coating liquid in the material chamber 11 is evenly distributed, and the roller body 41 rotates to drive the substrate to start coating;

[0069] The coating liquid flows from the material holding chamber 11 to each discharge pipe 60. The regulating valve 80 on each discharge pipe 60 is adjusted so that the coating liquid at each location of the material holding chamber 11 flows into each discharge pipe 60 at a stable and convergent flow rate, and then enters the main discharge pipe 61 and flows out from the feed port 70, thereby preventing the coating liquid in the material holding chamber 11 from remaining or even precipitating, which would affect the coating effect.

[0070] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coating machine sealing scraper, characterized in that: include: A material storage block, a scraper and a coating roller, wherein a material storage cavity is provided inside the material storage block, an opening communicating with the material storage cavity is provided on the material storage block, the coating roller abuts against the opening, and there are two scrapers, which are symmetrically arranged at the edges of the opening, and the two scrapers are movably arranged and can move toward the coating roller and seal the opening together with the coating roller; The material storage block is provided with a feeding and discharging mechanism, which includes a plurality of feeding pipes and a plurality of discharging pipes arranged at intervals, the plurality of feeding pipes and the discharging pipes are connected to the material containing cavity, and each of the feeding pipes or the discharging pipes is provided with a regulating valve.

2. A coating machine sealing scraper according to claim 1, characterized in that: The coating roller comprises a roller body and two positioning wheels, the two positioning wheels are located at both ends of the roller body and abut the roller body and the storage block, the roller body abuts the opening, and the roller body can rotate relative to the positioning wheels.

3. A coating machine sealing scraper according to claim 2, characterized in that: The material storage block is provided with two symmetrical positioning blocks, the two positioning blocks are located at two ends of the opening along the axial direction of the coating roller, and the two positioning blocks are opposite to and abut against the two positioning wheels.

4. The sealing scraper for a coating machine according to claim 1, characterized in that: The material storage block is provided with two symmetrical scraper frames, the scraper frames are used to support the scrapers, and the scraper frames are provided with a scraper groove extending along the axial direction of the coating roller on one side close to the coating roller, the scraper can be slidably inserted and pulled out of the scraper groove, and the sharp end of the scraper extends toward the outside of the scraper groove and can intersect with the coating roller.

5. A sealing scraper for a coating machine according to claim 4, characterized in that: The scraper is connected with an adjusting member and a plurality of spaced-apart limiting posts, the adjusting member and the plurality of limiting posts extend to the outside of the scraper frame, the adjusting member can drive the scraper to move toward the coating roller, and the limiting posts are slidably connected to the scraper frame.

6. A coating machine sealing scraper according to claim 5, characterized in that: The adjusting member comprises an adjusting knob and a screw, one end of the screw is rotatably clamped on the scraper, the screw is threadably connected to the scraper holder, and the other end of the screw extends to the outside of the scraper holder and is detachably connected to the adjusting knob.

7. The sealing scraper for a coating machine according to claim 5, characterized in that: The limit column is provided with a displacement scale of the scraper, and one end of the limit column extending to the outside of the scraper frame is provided with a fastener, and the fastener is threadedly connected to the limit column and abuts against the scraper frame.

8. The sealing scraper for a coating machine according to claim 1, characterized in that: A main feed pipe is connected between the plurality of feed pipes, and a main discharge pipe is connected between the plurality of discharge pipes. Both the main feed pipe and the main discharge pipe are provided with a material delivery port.

9. The sealing scraper for a coating machine according to claim 1, characterized in that: The plurality of feed pipes, the plurality of discharge pipes and the material storage block are all connected by threaded fittings.

10. A sealing scraper for a coating machine according to claim 9, characterized in that: A locking piece is provided at the connection between the plurality of the feeding pipes and the plurality of the discharging pipes and the material storage block, and one end of the locking piece is in contact with the material storage block.

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