Automatic compensation and adjustment assembly for abrasion of scraper of coating machine

Abstract

The invention relates to the technical field of coating machine scraper adjustment, and discloses a coating machine scraper abrasion automatic compensation adjusting assembly which comprises a hollow frame, the top of the hollow frame is fixedly connected to the bottom of a support, and a plurality of pneumatic push rods are fixedly connected to the top of the support. The output ends of the multiple pneumatic push rods penetrate through the support and are fixedly connected with tool rests, coating scrapers are arranged in the tool rests, two hydraulic rods are fixedly connected to the inner side of the hollow frame, the adjacent ends of the two hydraulic rods are fixedly connected with extrusion plates, and two rotating shafts are fixedly connected to the outer side of the hollow frame. The alignment plate is attached to the workbench by rotating the rotating plate, the pneumatic push rod pushes the tool rest to drive the coating scraper to be attached and aligned to the alignment plate, the hydraulic rod drives the extrusion plate to clamp the scraper, the electric guide rail drives the support to move to complete coating, the pneumatic push rod is independently compensated after abrasion, scraper alignment and gap prevention are achieved, abrasion is independently compensated, and excessive extrusion is avoided.

Description

Technical Field

[0001] This invention relates to the field of coating machine blade adjustment technology, specifically to an automatic compensation and adjustment component for coating machine blade wear. Background Technology

[0002] The coating machine blade is the core component of the coating equipment. It is used in the surface coating process of films, paper and metal foil substrates. By precisely adhering to the substrate surface, it evenly applies the coating to the substrate surface, removes excess coating and controls the coating thickness, and finally achieves a smooth and uniform coating coverage on the substrate surface. This ensures the product quality and performance stability in subsequent processing stages and is a key component that determines coating accuracy and product consistency.

[0003] The automatic compensation and adjustment component for coating machine blade wear is a supporting device designed to solve the problem of decreased coating accuracy caused by blade wear during long-term use. It integrates power drive, position detection and precise adjustment function modules. By monitoring the amount of blade wear in real time, it automatically drives the adjustment mechanism to compensate and correct the blade position, ensuring that the coating gap between the blade and the substrate is always kept within the set range, and avoiding problems such as uneven coating and excessive coating thickness caused by blade wear.

[0004] Existing automatic compensation adjustment components for doctor blade wear in coating machines mostly adopt an integrated drive structure, using a single power source to drive the entire doctor blade holder for overall lifting and compensation. Although this can avoid the problem of excessive coating thickness caused by doctor blade wear, the central area of ​​the doctor blade has the highest contact frequency and the greatest force during coating operations, resulting in a much higher degree of wear than the side areas. The integrated adjustment method of existing components causes the entire doctor blade to move synchronously, causing the less worn sides of the doctor blade to move excessively downward, creating excessive pressure between them and the worktable. This not only causes indentations on the substrate surface and thinning of the coating, but also accelerates the wear of the sides of the doctor blade and the wear of the worktable, seriously affecting the surface quality and dimensional accuracy of the coated products. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an automatic compensation and adjustment component for the wear of a coating machine doctor blade, which solves the problem that excessive downward movement of both sides of the doctor blade due to overall synchronous movement affects the surface quality and dimensional accuracy of the coated product.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solution: an automatic compensation and adjustment component for the wear of a coating machine scraper, comprising a base, two electric guide rails fixedly connected to the top of the base, a bracket slidably connected to the top of each of the two electric guide rails, a worktable provided at the bottom of the bracket, and a scraper compensation mechanism provided at the top of the bracket.

[0007] The scraper compensation mechanism includes a hollow frame, the top of which is fixedly connected to the bottom of a support. Multiple pneumatic push rods are fixedly connected to the top of the support, and the output ends of each pneumatic push rod pass through the support and are fixedly connected to a blade holder. Each blade holder contains a coating scraper. Two hydraulic rods are fixedly connected to the inner side of the hollow frame, and an extrusion plate is fixedly connected to one adjacent end of each hydraulic rod. Two rotating shafts are fixedly connected to the outer side of the hollow frame, and rotating plates are rotatably connected to the outer walls of each rotating shaft. U-shaped grooves are formed at the bottom of each rotating plate, and positioning components are provided at the top of each rotating plate. The same alignment plate is provided inside each U-shaped groove. An adjustment mechanism is provided on the outer side of each rotating plate, and a quick-release mechanism is provided on the front side of the blade holder.

[0008] Preferably, the adjustment mechanism includes two sliding blocks, which are respectively fixedly connected to the outer side of the alignment plate. The two sliding blocks are slidably connected inside the corresponding U-shaped grooves. Each of the two rotating plates has a vertical plate fixedly connected to its outer side. Each of the two vertical plates has multiple slots on its rear side. Each of the two sliding blocks has a hollow block fixedly connected to its other side. Each of the two hollow blocks has a reset spring fixedly connected inside its interior. Each of the two reset springs has a locking block fixedly connected to its other end. Each of the hollow blocks has an unlocking component on its front side. Each of the sliding blocks has a guide component on its outer side.

[0009] Preferably, the quick-release mechanism includes multiple cylinders, which are respectively fixedly connected to the outside of the blade holder. Each cylinder has a movable groove on its outer side, and a movable column is slidably connected inside the movable groove. One end of the movable column is fixedly connected to a pull rod, and a return spring is sleeved on the outer wall of the pull rod. The other end of the pull rod passes through the cylinder. The coating blade has an installation groove on its outer side. A limit component is provided inside the cylinder, and an anti-detachment component is provided on the outer side of the cylinder.

[0010] Preferably, the positioning component includes a positioning rod, which is slidably connected to the outer wall of the rotating plate. The outer wall of the hollow frame has a positioning hole, and the positioning rod passes through the rotating plate and is slidably connected to the inside of the positioning hole.

[0011] Preferably, the unlocking component includes an L-shaped plate, which is fixedly connected to the outside of the hollow block. Unlocking blocks are slidably connected to the outside of the L-shaped plate. Grooves are provided on the outside of both upright plates. The unlocking blocks are slidably connected to the middle of the grooves and are inserted into the L-shaped plates. The outer wall of the unlocking blocks is in contact with the outer wall of the locking block.

[0012] Preferably, the guiding assembly includes multiple guide blocks, each of which is fixedly connected to the outer side of a corresponding sliding block. A guide groove is provided on the inner side of the rotating plate, and the guide groove is connected to the U-shaped groove.

[0013] Preferably, the limiting component includes multiple limiting blocks, which are respectively fixedly connected to the outer wall of the corresponding moving column. A limiting groove is formed inside the column, and the limiting groove is connected to the moving groove.

[0014] Preferably, the anti-detachment component includes multiple turntables, each turntable being rotatably connected to one end of a corresponding pull rod, a positioning rod being fixedly connected to the outer side of each turntable, and a U-shaped block being fixedly connected to the front end of each cylinder.

[0015] Preferably, one end of the second reset spring is in contact with the inside of the moving groove, and the other end of the second reset spring is in contact with the front end of the moving column.

[0016] Preferably, the limiting block is slidably connected to the middle of the limiting groove, and the size of the limiting block matches that of the limiting groove.

[0017] This invention provides an automatic compensation and adjustment component for the wear of a coating machine's doctor blade. It has the following beneficial effects:

[0018] 1. This invention removes the limiting position of the rotating plate by pulling out the positioning rod, rotates the rotating plate to make the alignment plate fit against the worktable, the pneumatic push rod pushes the knife holder to make the coating knife fit and align with the alignment plate, the hydraulic rod drives the extrusion plate to clamp the knife, the rotating plate is reset and the positioning rod is inserted to fix it, the electric guide rail drives the bracket to move to complete the coating, and the pneumatic push rod is individually compensated after wear, realizing knife alignment and preventing gaps. Individual wear compensation avoids excessive extrusion, improving coating quality and knife service life.

[0019] 2. This invention moves the hollow block, causing the sliding block and alignment plate to move upward. The slot contacts the inclined surface of the block, compressing the reset spring. After moving to the target height, the spring pushes the block into the slot and fixes it. Pressing the unlocking block pushes the block out of the slot, and pulling down the hollow block resets the alignment plate. This achieves precise adjustment of the alignment plate height, adapting to different coating and paint thickness requirements. It is easy to operate and has stable positioning.

[0020] 3. This invention uses a rotating turntable to move the positioning rod out of the U-shaped block, eliminating the limit of the pull rod. Pulling the pull rod causes the moving column to disengage from the mounting slot and compresses the reset spring. After replacing the scraper, the pull rod is released, and the spring pushes the moving column into the mounting slot. Rotating the turntable causes the positioning rod to be locked into the U-shaped block, thus achieving quick disassembly and assembly of the coating scraper, simplifying the replacement process, and improving equipment maintenance efficiency. Attached Figure Description

[0021] Figure 1 This is a perspective view of the present invention;

[0022] Figure 2 This is a front view of the present invention;

[0023] Figure 3 This is a partial schematic diagram of the scraper compensation mechanism of the present invention;

[0024] Figure 4 This is a cross-sectional view of the hollow frame of the present invention;

[0025] Figure 5 This is a schematic diagram of the rotating plate of the present invention;

[0026] Figure 6 for Figure 5 Enlarged view of point A;

[0027] Figure 7 This is a cross-sectional view of the hollow block of the present invention;

[0028] Figure 8 This is a cylindrical cross-sectional view of the present invention.

[0029] The components include: 1. Base; 2. Scraper compensation mechanism; 21. Hollow frame; 22. Pneumatic push rod; 23. Blade holder; 24. Coating scraper; 25. Hydraulic rod; 26. Extrusion plate; 27. Rotating shaft; 28. Rotating plate; 29. ​​Positioning assembly; 291. Positioning rod; 292. Positioning hole; 210. U-shaped groove; 211. Alignment plate; 3. Adjustment mechanism; 31. Sliding block; 32. Vertical plate; 33. Slot; 34. Hollow block; 35. Return spring 1; 36. Locking block; 37. Unlocking assembly. 371. L-shaped plate; 372. Unlocking block; 373. Groove; 38. Guide assembly; 381. Guide block; 382. Guide groove; 4. Quick release mechanism; 41. Cylinder; 42. Moving groove; 43. Moving column; 44. Second reset spring; 45. Pull rod; 46. Mounting groove; 47. Limit assembly; 471. Limit block; 472. Limit groove; 48. Anti-detachment assembly; 481. Turntable; 482. U-shaped block; 483. Positioning rod; 5. Electric guide rail; 6. Bracket; 7. Worktable. Detailed Implementation

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Reference Figure 1 , Figure 3 , Figure 4 and Figure 5This invention provides an automatic compensation and adjustment component for the wear of a coating machine scraper, including a base 1. Two electric guide rails 5 are fixedly connected to the top of the base 1. A bracket 6 is slidably connected to the top of each of the two electric guide rails 5. A worktable 7 is provided at the bottom of the bracket 6. A scraper compensation mechanism 2 is provided at the top of the bracket 6.

[0032] The scraper compensation mechanism 2 includes a hollow frame 21. The top of the hollow frame 21 is fixedly connected to the bottom of the support 6, enabling a secure assembly and transmitting support force. Multiple pneumatic push rods 22 are fixedly connected to the top of the support 6, providing precise vertical driving force. The output ends of the multiple pneumatic push rods 22 all pass through the support 6 and are fixedly connected to a blade holder 23, enabling vertical adjustment of the blade holder 23. Each blade holder 23 contains a coating scraper 24, realizing the core scraping function of the coating operation. Two hydraulic rods 25 are fixedly connected to the inner side of the hollow frame 21, providing lateral adjustment power. An extrusion plate 26 is fixedly connected to an adjacent end of each of the two hydraulic rods 25, calibrating the lateral position of the blade holder 23 through extrusion. Two rotating shafts 27 are fixedly connected to the outer side of the 1, which can provide a rotation fulcrum for the rotating plate 28. The outer walls of the two rotating shafts 27 are rotatably connected to the rotating plate 28. The angle can be adjusted around the rotating shaft 27 to adapt to the alignment requirements. The bottom of the two rotating plates 28 is provided with a U-shaped groove 210, which can provide installation and sliding space for the alignment plate 211. The top of the two rotating plates 28 is provided with a positioning component 29 to fix the angle of the rotating plate 28. The same alignment plate 211 is provided inside the two U-shaped grooves 210, which can assist the coating blade 24 to be accurately aligned with the substrate. The outer side of the rotating plate 28 is provided with an adjustment mechanism 3 to finely adjust the angle of the rotating plate 28. The front side of the blade holder 23 is provided with a quick-release mechanism 4, which can realize the quick disassembly and replacement of the coating blade 24.

[0033] The positioning component 29 includes a positioning rod 291, which serves as the core positioning execution component. The positioning rod 291 is slidably connected to the outside of the rotating plate 28, enabling flexible sliding operation of the positioning rod 291. The outer wall of the hollow frame 21 has a positioning hole 292, which cooperates with the positioning rod 291 to achieve positioning. The positioning rod 291 passes through the rotating plate 28 and is slidably connected to the inside of the positioning hole 292, which can fix the position of the rotating plate 28 by insertion.

[0034] Specifically, the working mechanism 2 of the doctor blade compensation mechanism is based on the hollow frame 21 as the mounting carrier. Its top is fixedly connected to the bottom of the support 6, providing stable support for the entire mechanism. Its output end passes through the support 6 and is fixedly connected to the blade holder 23. The coating doctor blade 24 set inside the blade holder 23 is the key actuator for realizing the coating operation. When the pneumatic push rod 22 receives the control signal, it will drive the blade holder 23 and the coating doctor blade 24 to adjust their up and down positions through the extension and retraction action, thereby realizing precise compensation of the coating thickness. At the same time, the two hydraulic rods 25 fixedly connected to the inside of the hollow frame 21 can drive the extrusion plate 26 at the adjacent end to move relative to or towards each other. Two rotating shafts 27 fixedly connected to the side provide rotational support for the rotating plate 28. The rotating plate 28 can be angled around the rotating shafts 27. The U-shaped groove 210 at its bottom is used to install the alignment plate 211. By adjusting the angle of the two rotating plates 28, the alignment plate 211 can be positioned in different directions, thereby assisting in the alignment of the coating blade 24. In the positioning component 29 set at the top of the rotating plate 28, the positioning rod 291 is used in conjunction with the positioning hole 292 opened on the outer wall of the hollow frame 21. When the rotating plate 28 is adjusted to a suitable angle, the positioning rod 291 is pushed to pass through the rotating plate 28 and insert into the corresponding positioning hole 292, thereby fixing the rotating plate 28.

[0035] Reference Figure 5 , Figure 6 and Figure 7 The adjusting mechanism 3 includes two sliding blocks 31, which drive the alignment plate 211 to adjust its position. The two sliding blocks 31 are fixedly connected to the outer side of the alignment plate 211, enabling them to be firmly connected and move synchronously. The two sliding blocks 31 are slidably connected inside the corresponding U-shaped groove 210 and slide smoothly along the trajectory of the U-shaped groove 210. The outer side of each of the two rotating plates 28 is fixedly connected to a vertical plate 32, which provides an installation carrier for the slot 33. The rear side of each of the two vertical plates 32 is provided with multiple slots 33, which cooperate with the locking block 36 to achieve positioning and fixation. The two sliding blocks 31 Hollow blocks 34 are fixedly connected to the other side of each of the two hollow blocks 34, providing installation space for the reset spring 35. The reset spring 35 is fixedly connected inside each of the two hollow blocks 34, providing elastic driving force to reset the locking block 36. The other end of each of the two reset springs 35 is fixedly connected to the locking block 36, which can be inserted into the slot 33 to position the sliding block 31. The front side of each hollow block 34 is provided with an unlocking component 37 to release the locking state between the locking block 36 and the slot 33. The outer side of the sliding block 31 is provided with a guide component 38 to limit the sliding trajectory of the sliding block 31 and prevent it from deviating.

[0036] The unlocking component 37 includes two L-shaped plates 371, which serve as the mounting support structure for the unlocking block 372. The two L-shaped plates 371 are fixedly connected to the outer side of the hollow block 34, enabling a secure assembly between the unlocking component 37 and the hollow block 34. The unlocking block 372 is slidably connected to the outer side of each L-shaped plate 371. Unlocking is completed by sliding and pressing the locking block 36. The outer side of each of the two upright plates 32 is provided with a groove 373, which provides space for the unlocking block 372 to move. The unlocking block 372 is slidably connected to the middle of the groove 373 and is inserted into the L-shaped plate 371 to ensure the complete sliding stroke of the unlocking block 372. The outer wall of the unlocking block 372 fits against the outer wall of the locking block 36, and the unlocking power can be transmitted through contact and pressing.

[0037] The guide assembly 38 includes multiple guide blocks 381, which cooperate with the guide groove 382 to realize the guiding function. The multiple guide blocks 381 are respectively fixedly connected to the outer side of the corresponding sliding block 31 and can move synchronously with the sliding block 31. The inner side of the rotating plate 28 is provided with a guide groove 382, ​​which is connected to the U-shaped groove 210 to provide a sliding trajectory for the guide block 381.

[0038] Specifically, when it is necessary to adjust the position of the alignment plate 211 to match the alignment requirements of the coating blade 24 and the substrate, the sliding block 31 can slide smoothly along the extension direction of the U-shaped groove 210, thereby driving the alignment plate 211 to achieve position adjustment. At the same time, multiple slots 33 are opened on the rear side of the upright plate 32 fixedly connected to the outside of the rotating plate 28. A return spring 35 is fixedly fixed inside the hollow block 34 fixedly connected to the other side of the sliding block 31. The other end of the return spring 35 is fixedly connected to the locking block 36. Under the elastic force of the return spring 35, the locking block 36 will always remain in an outward-pushing state. When the sliding block 31 slides to the target position, the locking block 36 will automatically lock into the corresponding slot 33 on the upright plate 32, realizing the instant positioning of the sliding block 31 and the alignment plate 211. If readjustment is required, it can be operated through the unlocking component 37 set on the front side of the hollow block 34. The two L-shaped plates 371 of the unlocking component 37 are fixed on the outside of the hollow block 34 respectively. The unlocking block 372, which is slidably connected to the outside of the L-shaped plate 371, passes through the L-shaped plate 371 and extends into the groove 373 opened on the outside of the upright plate 32. The outer wall of the unlocking block 372 is in contact with the outer wall of the locking block 36. When the unlocking block 372 is pressed, it will squeeze the locking block 36 to compress the reset spring 35, causing the locking block 36 to disengage from the slot 33 and release the positioning restriction. At this time, the sliding block 31 can be pushed to readjust. When the sliding block 31 slides, the guide block 381 will move synchronously along the guide groove 382, ​​effectively limiting the sliding trajectory of the sliding block 31 and preventing deviation or jamming.

[0039] Reference Figure 2 , Figure 4 and Figure 8The quick-release mechanism 4 includes multiple cylinders 41, which serve as the core mounting carrier for support. The cylinders 41 are fixedly connected to the outside of the blade holder 23, enabling a secure assembly with the blade holder 23. Each cylinder 41 has a sliding groove 42 on its outer side, providing sliding space for the moving column 43. The moving column 43 is slidably connected inside the sliding groove 42, enabling locking or unlocking actions through sliding. One end of the moving column 43 is fixedly connected to a pull rod 45, which drives the moving column 43 to move synchronously by pulling. The outer wall of the pull rod 45 is fitted with a return spring 44, which provides elastic driving force to achieve automatic reset of the moving column 43. The other end of the pull rod 45 passes through the cylinder 41, facilitating external operation by the operator. The coating scraper 24 has an installation groove 46 on its outer side, which cooperates with the moving column 43 to achieve scraper positioning. The cylinder 41 has a limit component 47 inside, which restricts the sliding trajectory of the moving column 43. The cylinder 41 has an anti-detachment component 48 on its outer side, which prevents the mechanism from being accidentally unlocked.

[0040] The limiting component 47 includes multiple limiting blocks 471, which cooperate with the limiting groove 472 to achieve precise positioning. The multiple limiting blocks 471 are fixedly connected to the outer wall of the corresponding moving column 43 and can slide synchronously with the moving column 43. The cylinder 41 has a limiting groove 472 inside, which is connected to the moving groove 42 to provide a guide channel for the limiting blocks 471.

[0041] The anti-detachment component 48 includes multiple turntables 481, which achieve positioning and locking by rotation. The multiple turntables 481 are rotatably connected to one end of the corresponding pull rod 45, and can rotate flexibly around the pull rod 45. The outer side of the multiple turntables 481 is fixedly connected to a positioning rod 483, which cooperates with the U-shaped block 482 to achieve locking. The front end of the multiple cylinders 41 is fixedly connected to the U-shaped block 482, which can provide locking support for the positioning rod 483.

[0042] Specifically, when installing the coating blade 24, first pull the lever 45 to move the moving column 43 outward along the moving groove 42. At this time, the second return spring 44 is compressed. Then, the coating blade 24 is placed against the blade holder 23, so that the cylinder 41 is aligned with the mounting groove 46 opened on the outside of the coating blade 24. After releasing the lever 45, the second return spring 44 releases its elasticity, pushing the moving column 43 to reset and lock into the mounting groove 46. To prevent the coating blade 24 from falling off due to accidental pulling of the lever 45, the anti-detachment component 48 on the outside of the cylinder 41 plays a key role. After the moving column 43 is locked into the mounting groove 46, the turntable 481 is rotated to make the positioning rod 483 engage with the U-shaped block 482 fixed at the front end of the cylinder 41, thereby locking the position of the lever 45 and allowing the coating blade 24 to be quickly removed.

[0043] Reference Figure 7 and Figure 8One end of the second reset spring 44 is in contact with the inside of the moving groove 42, which can provide stable support for the spring and prevent it from shifting when compressed. The other end of the second reset spring 44 is in contact with the front end of the moving column 43, ensuring that the elastic force is directly transmitted to the moving column 43 to achieve precise reset. The limiting block 471 is slidably connected to the middle of the limiting groove 472, which can limit the sliding direction of the moving column 43 to prevent radial shaking. The size of the limiting block 471 and the limiting groove 472 are matched to reduce the fitting gap and improve the sliding stability.

[0044] Specifically, the two ends of the reset spring 44 are respectively attached to the moving groove 42 and the moving column 43, which can prevent the spring from shifting or misaligning, and allow the elastic force to be fully applied to the moving column 43, ensuring its smooth sliding and reset, and ensuring the stable clamping force of the coating blade 24. The limiting block 471 and the limiting groove 472 are slidably connected and matched in size, which can limit the radial sway of the moving column 43, making it aligned with the mounting groove 46 in a straight line, and improving the installation stability of the blade.

[0045] Working principle: When using this equipment for coating, the positioning rod 291 must first be pulled out from the positioning hole 292 to remove the limiting fixation of the rotating plate 28. At this time, rotate the rotating plate 28 around the rotating shaft 27 so that the alignment plate 211 is in contact with the worktable 7. Then, activate the pneumatic push rod 22 to push the blade holder 23 to move the coating blades 24 downward until the bottom of multiple coating blades 24 is in contact with the top of the alignment plate 211 to align them without affecting the coating operation. At the same time, activate the hydraulic rod 25 to push the two extrusion plates 26 towards the coating blades 24, squeezing and clamping the coating blades 24 to prevent multiple coating blades from being in contact with each other. Gaps between blades 24 affect coating quality. At this time, rotate plate 28 to reset and insert positioning rod 291 into positioning hole 292 to limit and fix plate 28. Then, place coating on front of coating blade 24 and start electric guide rail 5 to drive bracket 6 to move on top of worktable 7 so that coating blade 24 completes coating. When coating blade 24 is worn, corresponding pneumatic push rod 22 pushes hollow frame 21 downward to compensate for wear. This prevents the entire blade from being moved down when compensating for wear of coating blade 24, which would cause the less worn area to be squeezed too tightly on worktable 7 and accelerate wear.

[0046] Furthermore, when it is necessary to adjust the distance between the coating blade 24 and the worktable 7 according to the coating thickness and paint thickness, the hollow block 34 is pulled upward to move the sliding block 31 upward, and the alignment plate 211 moves upward. During the upward movement, the slot 33 contacts the inclined surface of the block 36, pushing the block 36 backward to compress the reset spring 35. When the block 36 moves to the next slot 33, the reset spring 35 pushes the block 36 into the slot 33 to prevent the sliding block 31 from moving downward. As needed, the block 36 is moved to the required height and inserted into the slot 33. When it is necessary to move the alignment plate 211 downward, the unlocking block 372 is pressed through the groove 373 to push the block 36 out of the slot 33 and move into the hollow block 34. At this time, the hollow block 34 is pulled down to reset the alignment plate 211.

[0047] Finally, when it is necessary to replace the coating blade 24, first rotate the turntable 481 to move the positioning rod 483 out of the U-shaped block 482, thus removing the limit on the pull rod 45. At this time, pull the pull rod 45 backward, moving the moving column 43 out of the mounting slot 46, while compressing the second reset spring 44. Replace the coating blade 24 at this time. After replacement, release the pull rod 45, and the second reset spring 44 releases pressure, pushing the moving column 43 backward and inserting it into the mounting slot 46. At the same time, rotate the turntable 481 to rotate the positioning rod 483 and insert it into the U-shaped block 482 to fix and limit the pull rod 45, thus completing the quick installation and disassembly.

[0048] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic compensation and adjustment component for wear of a coating machine scraper, comprising a base (1), characterized in that, The top of the base (1) is fixedly connected to two electric guide rails (5), and the top of each of the two electric guide rails (5) is slidably connected to a bracket (6). The bottom of the bracket (6) is provided with a worktable (7), and the top of the bracket (6) is provided with a scraper compensation mechanism (2). The scraper compensation mechanism (2) includes a hollow frame (21), the top of which is fixedly connected to the bottom of the support (6). Multiple pneumatic push rods (22) are fixedly connected to the top of the support (6). The output ends of the multiple pneumatic push rods (22) all pass through the support (6) and are fixedly connected to a blade holder (23). Each of the multiple blade holders (23) contains a coating scraper (24). Two hydraulic rods (25) are fixedly connected to the inner side of the hollow frame (21). Adjacent ends of the two hydraulic rods (25) are fixedly connected to an extruder. The pressure plate (26) has two rotating shafts (27) fixedly connected to the outer side of the hollow frame (21). The outer walls of the two rotating shafts (27) are rotatably connected to rotating plates (28). The bottom of the two rotating plates (28) is provided with U-shaped grooves (210). The top of the two rotating plates (28) is provided with positioning components (29). The interior of the two U-shaped grooves (210) is provided with the same alignment plate (211). The outer side of the rotating plate (28) is provided with an adjustment mechanism (3). The front side of the knife holder (23) is provided with a quick-release mechanism (4).

2. The automatic compensation and adjustment component for wear of a coating machine doctor blade according to claim 1, characterized in that, The adjustment mechanism (3) includes two sliding blocks (31), which are fixedly connected to the outside of the alignment plate (211) respectively. The two sliding blocks (31) are slidably connected inside the corresponding U-shaped groove (210). The outside of the two rotating plates (28) are fixedly connected to the upright plates (32). The rear side of the two upright plates (32) is provided with multiple slots (33). The other side of the two sliding blocks (31) is fixedly connected to the hollow blocks (34). The inside of the two hollow blocks (34) is fixedly connected to the return spring (35). The other end of the two return springs (35) is fixedly connected to the locking block (36). The front side of the hollow blocks (34) is provided with the unlocking component (37). The outside of the sliding blocks (31) is provided with the guide component (38).

3. The automatic compensation and adjustment component for wear of a coating machine doctor blade according to claim 1, characterized in that, The quick-release mechanism (4) includes multiple cylinders (41), which are fixedly connected to the outside of the blade holder (23). Each cylinder (41) has a moving groove (42) on its outside. A moving column (43) is slidably connected inside the moving groove (42). A pull rod (45) is fixedly connected to one end of the moving column (43). A return spring (44) is sleeved on the outer wall of the pull rod (45). The other end of the pull rod (45) passes through the cylinder (41). An installation groove (46) is provided on the outside of the coating scraper (24). A limit component (47) is provided inside the cylinder (41). An anti-detachment component (48) is provided on the outside of the cylinder (41).

4. The automatic compensation and adjustment component for wear of a coating machine doctor blade according to claim 1, characterized in that, The positioning component (29) includes a positioning rod (291), which is slidably connected to the outside of the rotating plate (28). The outer wall of the hollow frame (21) is provided with a positioning hole (292). The positioning rod (291) passes through the rotating plate (28) and is slidably connected to the inside of the positioning hole (292).

5. The automatic compensation and adjustment component for wear of a coating machine scraper according to claim 2, characterized in that, The unlocking component (37) includes an L-shaped plate (371), which is fixedly connected to the outside of the hollow block (34). Unlocking blocks (372) are slidably connected to the outside of the L-shaped plate (371). Grooves (373) are provided on the outside of the two upright plates (32). The unlocking blocks (372) are slidably connected to the middle of the grooves (373) and are inserted into the L-shaped plate (371). The outer wall of the unlocking block (372) is in contact with the outer wall of the card block (36).

6. The automatic compensation and adjustment component for wear of a coating machine scraper according to claim 2, characterized in that, The guide assembly (38) includes multiple guide blocks (381), each of which is fixedly connected to the outer side of a corresponding sliding block (31). The inner side of the rotating plate (28) is provided with a guide groove (382), which is connected to the U-shaped groove (210).

7. The automatic compensation and adjustment component for wear of a coating machine doctor blade according to claim 3, characterized in that, The limiting component (47) includes multiple limiting blocks (471), which are fixedly connected to the outer wall of the corresponding moving column (43). A limiting groove (472) is opened inside the column (41), and the limiting groove (472) is connected to the moving groove (42).

8. The automatic compensation and adjustment component for wear of a coating machine doctor blade according to claim 3, characterized in that, The anti-detachment component (48) includes multiple turntables (481), each of which is rotatably connected to one end of a corresponding pull rod (45). A positioning rod (483) is fixedly connected to the outer side of each of the multiple turntables (481), and a U-shaped block (482) is fixedly connected to the front end of each of the multiple cylinders (41).

9. The automatic compensation and adjustment component for wear of a coating machine doctor blade according to claim 3, characterized in that, One end of the second reset spring (44) is in contact with the inside of the moving groove (42), and the other end of the second reset spring (44) is in contact with the front end of the moving column (43).

10. The automatic compensation and adjustment component for wear of a coating machine scraper according to claim 7, characterized in that, The limiting block (471) is slidably connected to the middle of the limiting groove (472), and the size of the limiting block (471) matches that of the limiting groove (472).

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