A gummed kraft paper impregnation dryer

Abstract

The present application belongs to the field of kraft paper production and processing, in particular to a kind of gummed kraft paper impregnation drying machine, including drying box body, the top of drying box body is fixedly connected with cover plate, the inside rotationally connected of drying box body has multiple groups of conveying roller, the conveying roller is in contact with paper surface, the top and bottom of paper are respectively close to upper scraper and lower scraper, the front and back of upper scraper and lower scraper are fixedly connected with the inner wall of drying box body, one side of upper scraper and lower scraper is in contact with scraper, the scraper is provided with two groups, the upper scraper is provided with scraping mechanism;Through the structural design of scraping mechanism, the function that scraper can reciprocate along the surface of upper scraper and lower scraper is realized, so as to clean the liquid scraped from paper surface on upper scraper and lower scraper in time, thereby reducing the adhesion of liquid on upper scraper and lower scraper, ensure the normal work of upper scraper and lower scraper.

Description

Technical Field

[0001] This invention relates to the field of kraft paper production and processing, specifically a glued kraft paper impregnation and drying machine. Background Technology

[0002] The processing of coated kraft paper involves multiple steps. After impregnating the kraft paper, a dryer is needed to dry the paper in order to ensure that the glue on the surface of the kraft paper can solidify as soon as possible.

[0003] According to patent document CN202321807770.8, a kraft paper impregnation and drying machine includes a drying chamber. Mounting frames are connected to the top of both sides of the drying chamber. Guide rollers are rotatably connected to the mounting frames via bearings. Support rollers are rotatably connected to both sides of the front and back of the inner wall of the drying chamber via connecting shafts. Mounting grooves are provided on both sides of the front and back of the inner wall of the drying chamber. This invention, through the combined action of mounting grooves, telescopic rods, connecting blocks, tension rollers, and tension springs, can keep the kraft paper taut during heating, preventing accumulation and folding, and improving the drying efficiency and effect. A scraper can scrape off residual liquid from the surface of the kraft paper, preventing excessive liquid from affecting the drying efficiency. Through the combined action of infrared heating lamps, a hot air box, a blower, an exhaust box, and an exhaust pipe, both sides of the kraft paper can be dried simultaneously, further improving drying efficiency.

[0004] However, in the above-mentioned adhesive kraft paper impregnation dryer, when the residual liquid is scraped off by the scraper, some liquid will adhere to the surface of the scraper. During long-term operation, due to the high temperature inside the dryer, if the liquid adhering to the scraper surface is not cleaned off in time, it will easily solidify, and the solidified liquid will affect the normal operation of the scraper. Therefore, an adhesive kraft paper impregnation dryer is proposed to address the above problem. Summary of the Invention

[0005] To address the problem in the aforementioned adhesive kraft paper impregnation dryer where, when scraping off residual liquid with a scraper, some liquid adheres to the scraper surface, and during long-term operation, due to the high internal temperature of the dryer, the liquid adhering to the scraper surface easily solidifies if not cleaned off promptly, thus affecting the normal operation of the scraper, this invention proposes an adhesive kraft paper impregnation dryer.

[0006] The technical solution adopted by the present invention to solve its technical problem is as follows: The present invention provides a kraft paper impregnation and drying machine, including a drying chamber, a cover plate fixedly connected to the top of the drying chamber, multiple sets of conveying rollers rotatably connected inside the drying chamber, the conveying rollers contacting the paper surface, the top and bottom ends of the paper being close to the upper scraper and the lower scraper respectively, the front and rear sides of the upper scraper and the lower scraper being fixedly connected to the inner wall of the drying chamber, one side of the upper scraper and the lower scraper contacting a scraper blade, two sets of scraper blades being provided, the upper scraper being provided with a scraping mechanism, the scraping mechanism being used to scrape the liquid on the upper scraper and the lower scraper blade, the scraper blade being provided with a separation mechanism, the separation mechanism being used to prevent the scraper blade from contacting the upper scraper and the lower scraper blade when the scraper blade is reset, and a pushing mechanism being provided below the paper, the pushing mechanism being used to clean up the scraped liquid.

[0007] Preferably, the scraping mechanism includes a disc, a rotating block fixedly connected to the bottom end of the disc, the rotating block being rotatably connected to a support block, a fixed gear fixedly connected to the top end of the disc, a connecting rod fixedly connected to the top end of the fixed gear, a fixed block fixedly connected to the top end of the connecting rod, the fixed block being fitted onto a movable frame, slide rods fixedly connected to both the front and rear sides of the movable frame, the slide rods being inserted into a fixed frame, the bottom ends of the support block and the fixed frame being fixedly connected to the top end of the upper scraper, a connecting frame fixedly connected to the front slide rod, a connecting plate fixedly connected to the bottom end of the connecting frame, both the connecting frame and the connecting plate being U-shaped, two sets of through slots being provided on the connecting plate, scrapers being inserted into the inside of the through slots, and a drive mechanism being provided on the fixed gear.

[0008] Preferably, the driving mechanism includes a first rack that meshes with a fixed gear. A long rod is fixedly connected to the front end of the first rack, and the front end of the long rod is fixedly connected to a movable block. The bottom ends of both the first rack and the long rod are slidably connected to a support frame. The support frame is fixedly connected to an upper scraper. The movable block is threadedly connected to a threaded rod. The rear end of the threaded rod is rotatably connected to the inner wall of a slot. The slot is located at the front end of the upper scraper and contacts the movable block. The front end of the threaded rod is fixedly connected to a rotating gear, and the rotating gear is rotatably connected to the front end of the drying chamber.

[0009] Preferably, the separation mechanism includes a connecting block, which is fixedly connected to the scraper. A fixing plate is fixedly connected to one side of the connecting block. A rod and a spring are fixedly connected to the side of the connecting block away from the scraper. The spring is sleeved on the rod. The side of the spring away from the connecting block contacts a long plate. A pulley is rotatably connected to the side of the rod away from the connecting block. The pulley is slidably connected inside a movable groove. The movable groove is opened inside the long plate. The front and rear sides of the long plate are fixedly connected to the inner wall of the drying chamber. Two sets of fixing strips are fixedly connected inside the movable groove. The distance between the two sets of fixing strips is slightly larger than the diameter of the rod. The long plate does not contact the abutment block. The abutment block is fixedly connected to the upper scraper and the lower scraper. Rectangular grooves are opened on the upper scraper and the lower scraper near the abutment block. The abutment block is located below the fan. The fan is fixedly connected to the cover plate.

[0010] Preferably, the pushing mechanism includes a second rack, which meshes with a rotating gear. The rear end of the second rack is slidably connected to a guide block, which is fixedly connected to the front end of the drying chamber. The side of the second rack away from the rotating gear is fixedly connected to a push rod, which is rotatably connected to a connecting rod. The connecting rod is rotatably connected to a rotating disk, which is fixedly connected to the shaft of a set of conveying rollers. A pusher plate is fixedly connected to the bottom end of the second rack. The pusher plate is located below the lower scraper, and the bottom end of the pusher plate contacts the bottom end of the inner wall of the drying chamber. Two sets of discharge troughs are provided on the bottom end of the drying chamber.

[0011] Preferably, a stop block is fixedly connected to the scraper, and the stop block has a rectangular design.

[0012] Preferably, a groove is provided on one side of both the scraper and the connecting block, the scraper and the connecting block are inserted into the through groove, and the inner wall of the through groove is provided with a corresponding groove.

[0013] Preferably, each of the conveying rollers on the right side is fitted with two sets of limiting rings, the radius of which is larger than the radius of the conveying roller.

[0014] Preferably, circular holes are provided on the top ends of both the fixed gear and the disk, and the circular holes are distributed circumferentially on the fixed gear and the disk.

[0015] Preferably, a fixing frame is fixedly connected to the bottom of the inner wall of the drying chamber, and the fixing frame is rectangular in design.

[0016] The advantages of this invention are: 1. This invention, through the structural design of the scraping mechanism, enables the scraper to reciprocate along the surfaces of the upper and lower scrapers, facilitating timely cleaning of liquid scraped from the paper surface by the upper and lower scrapers. This reduces liquid adhesion to the upper and lower scrapers, ensuring their normal operation. It solves the problem in existing glued kraft paper impregnation dryers where some liquid adheres to the scraper surface during scraping. Over long-term operation, due to the high internal temperature of the dryer, if the liquid adhering to the scraper surface is not cleaned promptly, it easily solidifies, affecting the normal operation of the scraper.

[0017] 2. Through the structural design of the separation mechanism, this invention temporarily separates the scraper from the upper and lower scrapers during the scraper reset process. This prevents the other side of the scraper from contacting the surfaces of the upper and lower scrapers again during the reset process, thus avoiding liquid adhering to the back of the scraper. It ensures that only one side of the scraper contacts the upper and lower scrapers during the scraping process.

[0018] 3. Through the structural design of the driving mechanism, the present invention can drive the second rack to reciprocate while one set of conveying rollers rotates. The second rack pushes the pusher plate to move, and the pusher plate can push the liquid scraped off from the upper and lower scrapers, so that the scraped liquid can be concentrated and pushed to the discharge trough, so as to facilitate the collection and cleaning of the liquid and reduce the difficulty of subsequent cleaning. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the internal structure of the drying chamber of the present invention; Figure 3 This is a schematic diagram of the actuation mechanism of the present invention; Figure 4 This is a schematic diagram of the scraping mechanism of the present invention; Figure 5 This is a schematic diagram of the drive mechanism of the present invention; Figure 6 This is a schematic diagram of the connection structure of the connecting frame of the present invention; Figure 7This is a schematic diagram of the connecting plate and scraper of the present invention; Figure 8 This is a schematic diagram of the connection structure between the scraper and the long plate of the present invention; Figure 9 This is a schematic diagram of the internal structure of the long plate of the present invention; Figure 10 This is a schematic diagram of the position and structure of the discharge trough of the present invention; Figure 11 This is a cross-sectional structural diagram of the present invention.

[0021] In the diagram: 1. Drying chamber; 20. Cover plate; 21. Conveyor roller; 23. Paper; 24. Limiting ring; 25. Upper scraper; 26. Lower scraper; 27. Fan; 28. Support block; 29. ​​Fixing frame; 30. Rotating block; 31. Fixed gear; 32. Disc; 33. Fixing block; 34. Connecting rod; 35. Slide rod; 36. Movable frame; 37. Connecting frame; 38. Connecting plate; 39. Through groove; 40. Scraper; 41. Stop block; 42. Fixing plate; 43. Slide groove; 44. Connecting block; 45. Insert rod; 46. Spring; 47. Pulley; 48. Fixing strip; 49. Movable groove; 50. Long plate; 51. Abutting block; 52. Rectangular groove; 53. Support frame; 54. First rack; 55. Long rod; 56. Moving block; 57. Threaded rod; 58. Groove; 59. Rotating gear; 60. Second rack; 61. Push rod; 62. Connecting rod; 63. Guide block; 64. Push plate; 65. Fixing frame; 66. Discharge chute; 67. Rotating disk. Detailed Implementation

[0022] The technical solutions of 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.

[0023] Example 1 Please see Figure 1 - Figure 11As shown, a kraft paper impregnation and drying machine includes a drying chamber 1. A cover plate 20 is fixedly connected to the top of the drying chamber 1. Multiple sets of conveying rollers 21 are rotatably connected inside the drying chamber 1. The conveying rollers 21 are in contact with the surface of the paper 23. The top and bottom ends of the paper 23 are close to the upper scraper 25 and the lower scraper 26, respectively. The front and rear sides of the upper scraper 25 and the lower scraper 26 are fixedly connected to the inner wall of the drying chamber 1. One side of the upper scraper 25 and the lower scraper 26 is in contact with a scraper 40. Two sets of scrapers 40 are provided. The upper scraper 25 is provided with a scraping mechanism, which is used to scrape the liquid on the upper scraper 25 and the lower scraper 26. The scraper 40 is provided with a separation mechanism, which is used to prevent the scraper 40 from contacting the upper scraper 25 and the lower scraper 26 when the scraper 40 is reset. A pushing mechanism is provided below the paper 23, which is used to clean up the scraped liquid. Furthermore, the scraping mechanism includes a disc 32, with a rotating block 30 fixedly connected to the bottom end of the disc 32. The rotating block 30 is rotatably connected to the support block 28. A fixed gear 31 is fixedly connected to the top end of the disc 32. A connecting rod 34 is fixedly connected to the top end of the fixed gear 31. A fixed block 33 is fixedly connected to the top end of the connecting rod 34. The fixed block 33 is fitted into the movable frame 36. Sliding rods 35 are fixedly connected to both the front and rear sides of the movable frame 36. The slide rod 35 is inserted into the fixed frame 29. The bottom ends of the support block 28 and the fixed frame 29 are both fixedly connected to the top end of the upper scraper 25. A connecting frame 37 is fixedly connected to the front slide rod 35. A connecting plate 38 is fixedly connected to the bottom end of the connecting frame 37. Both the connecting frame 37 and the connecting plate 38 are U-shaped. Two sets of through slots 39 are opened on the connecting plate 38. A scraper 40 is inserted into the inside of the through slots 39. A drive mechanism is provided on the fixed gear 31. Through the structural design of the scraping mechanism, the scraper 40 can reciprocate along the surfaces of the upper scraper 25 and the lower scraper 26, so as to promptly clean up the liquid scraped off the paper 23 surface by the upper scraper 25 and the lower scraper 26, thereby reducing the adhesion of liquid on the upper scraper 25 and the lower scraper 26 and ensuring the normal operation of the upper scraper 25 and the lower scraper 26. During operation, the drive mechanism drives the fixed gear 31 to rotate, and the disc 32 is rotatably connected to the support block 28 through the rotating block 30. During the rotation of the disc 32, the connecting rod 34 will make a circular motion around the center of the disc 32. The fixed block 33 fixed at the top of the connecting rod 34 slides in the movable frame 36. As the fixed block 33 slides on the movable frame 36, the movable frame 36 will reciprocate in the front and back direction. Sliding rods are fixed on the front and back sides of the movable frame 36. 35. The slide bar 35 is inserted into the fixed frame 29 to ensure the stable movement of the movable frame 36. A connecting frame 37 is fixed on a set of slide bars 35 at the front end. The bottom end of the connecting frame 37 is connected to the connecting plate 38. The scraper 40 is inserted into the through groove 39. Therefore, the movement of the slide bar 35 can drive the scraper 40 to move synchronously, thereby scraping the liquid on the upper scraper 25 and the lower scraper 26 through the scraper 40, avoiding the liquid from adhering to the surface of the upper scraper 25 and the lower scraper 26 for a long time. The connecting frame 37 and the connecting plate 38 are both U-shaped to avoid the connecting frame 37 from abutting against the disc 32 during the movement. Similarly, the design of the connecting plate 38 can avoid contact with the paper 23 during the movement. The paper 23 is conveyed by multiple sets of conveying rollers 21. A cover plate 20 is fixed at the top of the drying chamber 1 to seal the inside of the drying chamber 1.

[0024] Furthermore, the driving mechanism includes a first rack 54, which meshes with a fixed gear 31. A long rod 55 is fixedly connected to the front end of the first rack 54, and the front end of the long rod 55 is fixedly connected to a moving block 56. The bottom ends of the first rack 54 and the long rod 55 are slidably connected to a support frame 53. The support frame 53 is fixedly connected to an upper scraper 25. The moving block 56 is threadedly connected to a threaded rod 57. The rear end of the threaded rod 57 is rotatably connected to the inner wall of a slot 58. The slot 58 is opened at the front end of the upper scraper 25 and contacts the moving block 56. The front end of the threaded rod 57 is fixedly connected to a rotating gear 59, and the rotating gear 59 is rotatably connected to the front end of the drying chamber 1. During operation, the rotating gear 59 meshes with the second rack 60. As the second rack 60 reciprocates, the rotating gear 59 rotates. The rear end of the rotating gear 59 is connected to the threaded rod 57, and the rear end of the threaded rod 57 is rotatably connected to the slot 58. The moving block 56, which is threaded onto the threaded rod 57, will move. The moving block 56 is connected to the first rack 54 via the long rod 55, and the first rack 54 is meshed with the fixed gear 31. Therefore, when the moving block 56 moves, the first rack 54 will drive the fixed gear 31 to rotate. The upper scraper 25 has a slot 58, which contacts the moving block 56 to ensure that the moving block 56 does not rotate during movement. The bottom ends of the first rack 54 and the long rod 55 are in contact with the support frame 53 to provide support for the movement of the first rack 54 and the long rod 55.

[0025] Furthermore, the separation mechanism includes a connecting block 44, which is fixedly connected to the scraper 40. A fixing plate 42 is fixedly connected to one side of the connecting block 44. A rod 45 and a spring 46 are fixedly connected to the side of the connecting block 44 away from the scraper 40. The spring 46 is sleeved on the rod 45. The side of the spring 46 away from the connecting block 44 contacts the long plate 50. A pulley 47 is rotatably connected to the side of the rod 45 away from the connecting block 44. The pulley 47 is slidably connected inside the movable groove 49, which is formed in the long plate 50. Inside the 0, the front and rear sides of the long plate 50 are fixedly connected to the inner wall of the drying chamber 1. Two sets of fixing strips 48 are fixedly connected inside the movable groove 49. The distance between the two sets of fixing strips 48 is slightly larger than the diameter of the insertion rod 45. The long plate 50 does not contact the abutting block 51. The abutting block 51 is fixedly connected to the upper scraper 25 and the lower scraper 26. The upper scraper 25 and the lower scraper 26 have rectangular grooves 52 near the abutting block 51. The abutting block 51 is located below the fan 27. The fan 27 is fixedly connected to the cover plate 20. Through the structural design of the separation mechanism, during the resetting process of the scraper 40, the scraper 40 is temporarily separated from the upper scraper 25 and the lower scraper 26. This prevents the other side of the scraper 40 from contacting the surfaces of the upper scraper 25 and the lower scraper 26 again during resetting, thus avoiding liquid adhering to the back of the scraper 40. This ensures that only one side of the scraper 40 contacts the upper scraper 25 and the lower scraper 26 during the scraping process. In operation, when the scraper 40 moves backward, it can normally scrape one side of the upper scraper 25 and the lower scraper 26. When the scraper 40 moves to its maximum backward position, the fixing plate 42 abuts against the abutment block 51. Because the fixing plate 42... Both the 2 and the abutment block 51 have inclined surfaces, allowing the fixing plate 42 to be pushed smoothly. The spring 46 sleeved on the insertion rod 45 will be compressed, and the insertion rod 45 and the pulley 47 will move a certain distance inside the movable groove 49. Since there are two sets of fixing bars 48 fixed inside the movable groove 49, the pulley 47 is initially in contact with one side of the fixing bar 48. When the fixing plate 42 is pushed by the abutment block 51, the scraper 40 fixed on the connecting block 44 will slide in the through groove 39, and the scraper 40 will also separate from the upper scraper 25 and the lower scraper 26. The movement of the pulley 47 inside the movable groove 49 causes the pulley 47 to contact the other side of the fixing bar 48. When the connecting plate 38 drives the scraper 40 forward... When the scraper 40 is reset, the pulley 47 abuts against the other side of the fixing strip 48, preventing the spring 46 from resetting. Therefore, the scraper 40 remains separated from the upper scraper 25 and lower scraper 26, preventing the other side of the scraper 40 from contacting the upper scraper 25 and lower scraper 26 during reset. When the scraper 40 moves back to its original position, without the support of the fixing strip 48, the pulley 47 and spring 46 reset, pushing the scraper 40 to continue contacting one side of the upper scraper 25 and lower scraper 26 for the next scraping operation. The two sets of fixing strips 48 do not contact each other and the distance between them is greater than the diameter of the insertion rod 45, facilitating the proper positioning of the insertion rod 45. The fixed strip 48 is constantly moving, and the front and rear sides of the fixed strip 48 do not contact the inner wall of the movable groove 49. A certain gap is left between the fixed strip 48 and the inner wall of the movable groove 49, and the gap is larger than the diameter of the pulley 47 to ensure that the pulley 47 can move normally. The fan 27 is set above the abutment block 51. In addition to delivering gas to the inside of the drying chamber 1, the fan 27 can also blow the scraper 40 through the airflow of the fan 27 so that the liquid scraped off by the scraper 40 from the upper scraper 25 and the lower scraper 26 can fall down quickly. Through the design of the rectangular groove 52, when the scraper 40 moves to the maximum position, the liquid on the scraper 40 will not come into contact with the upper scraper 25 and the lower scraper 26.

[0026] Furthermore, the pushing mechanism includes a second rack 60, which meshes with a rotating gear 59. The rear end of the second rack 60 is slidably connected to a guide block 63, which is fixedly connected to the front end of the drying chamber 1. The side of the second rack 60 away from the rotating gear 59 is fixedly connected to a push rod 61. The push rod 61 is rotatably connected to a connecting rod 62, which is rotatably connected to a rotating disk 67. The rotating disk 67 is fixedly connected to the shaft of a set of conveying rollers 21. A pusher plate 64 is fixedly connected to the bottom end of the second rack 60. The pusher plate 64 is located below the lower scraper 26. The bottom end of the pusher plate 64 contacts the bottom end of the inner wall of the drying chamber 1. Two sets of discharge troughs 66 are provided on the bottom end of the drying chamber 1. Through the structural design of the actuator, while one set of conveying rollers 21 rotates, it can drive the second rack 60 to reciprocate. The second rack 60 pushes the pusher plate 64 to move, and the pusher plate 64 can push the liquid scraped from the upper scraper 25 and the lower scraper 26, so that the scraped liquid can be concentrated and pushed to the discharge trough 66 for easy collection and cleaning, reducing the difficulty of subsequent cleaning. During operation, the rotating shaft of one set of conveying rollers 21 is connected to the rotating disk 67. When the conveying rollers 21 convey the paper 23, the rotating disk 67 will also rotate continuously. The connecting rod 62 rotating on the rotating disk 67 will drive the push rod 61 to move. Since the push rod 61 is connected to the second rack 60, and the second rack 60 is connected to the guide... The guide block 63 is slidably connected to the guide block 63, which allows the second rack 60 to move only in the left and right directions. Therefore, the push rod 61 can drive the second rack 60 to move back and forth. The second rack 60 meshes with the rotating gear 59, thereby driving the rotating gear 59 to rotate. The bottom end of the second rack 60 is connected to the push plate 64. When the push plate 64 moves back and forth inside the drying chamber 1, it will push the liquid that falls into the drying chamber 1 and discharge the liquid into the drying chamber 1 through the discharge chute 66. When installing and fixing the drying chamber 1, it is only necessary to ensure that the bottom of the discharge chute 66 is suspended. The guide block 63 is provided with a trapezoidal groove, and the second rack 60 is also provided with a corresponding trapezoidal block to ensure the stable movement of the second rack 60.

[0027] Furthermore, a stop 41 is fixedly connected to the scraper 40, and the stop 41 is rectangular in design; During operation, one side of the scraper 40 contacts the upper scraper 25 and the lower scraper 26, while a stop block 41 is fixed on the other side. This allows the scraper 40 to be limited in its movement within the through groove 39 by the contact between the stop block 41 and the connecting plate 38, thus preventing the scraper 40 from sliding too far and causing the connecting plate 38 to separate from the scraper 40.

[0028] Furthermore, a sliding groove 43 is provided on one side of both the scraper 40 and the connecting block 44. The scraper 40 and the connecting block 44 are inserted into the through groove 39. The inner wall of the through groove 39 is provided with a corresponding protrusion of the sliding groove 43. During operation, both the scraper 40 and the connecting block 44 have a sliding groove 43 on one side, and a corresponding protrusion is formed on the inner wall of the through groove 39, thereby increasing the contact area between the scraper 40 and the connecting block 44 and the inner wall of the through groove 39, making the movement of the scraper 40 in the through groove 39 more stable.

[0029] Furthermore, two sets of limiting rings 24 are fitted on each of the conveying rollers 21 on the right side, and the radius of the limiting rings 24 is larger than the radius of the conveying rollers 21. During operation, two sets of limiting rings 24 are fixed on the conveying roller 21. The limiting rings 24 are used to limit the paper 23 during the conveying process to prevent the paper 23 from deviating.

[0030] Example 2 Please see Figure 5 and Figure 10 As shown, in Comparative Embodiment 1 as another implementation of the present invention, circular holes are provided on the top ends of both the fixed gear 31 and the disk 32, and the circular holes are distributed circumferentially on the fixed gear 31 and the disk 32. During operation, the opening of the round hole helps to reduce the weight of the fixed gear 31 and the disc 32, so as to reduce the resistance of the disc 32 during rotation. The round hole passes through the fixed gear 31 and the disc 32, so that the airflow blown by the fan 27 can pass smoothly through the round hole.

[0031] A fixing frame 65 is fixedly connected to the bottom of the inner wall of the drying chamber 1. The fixing frame 65 is rectangular in design. During operation, the fixing frame 65 is fixed to the bottom of the inner wall of the drying chamber 1 to ensure that liquid falling from the drying chamber 1 can be concentrated in the fixing frame 65 and not overflow into other areas.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A kraft paper impregnation and drying machine, comprising a drying chamber (1), wherein a cover plate (20) is fixedly connected to the top of the drying chamber (1), and a plurality of conveying rollers (21) are rotatably connected inside the drying chamber (1), wherein the conveying rollers (21) are in contact with the surface of the paper (23), characterized in that: The top and bottom of the paper (23) are close to the upper scraper (25) and the lower scraper (26) respectively. The front and rear sides of the upper scraper (25) and the lower scraper (26) are fixedly connected to the inner wall of the drying chamber (1). One side of the upper scraper (25) and the lower scraper (26) is in contact with the scraper (40). The scraper (40) is provided in two sets. The upper scraper (25) is provided with a scraping mechanism. The scraping mechanism is used to scrape the liquid on the upper scraper (25) and the lower scraper (26). The scraper (40) is provided with a separation mechanism. The separation mechanism is used to prevent the scraper (40) from contacting the upper scraper (25) and the lower scraper (26) when the scraper (40) is reset. The paper (23) is provided with a pushing mechanism below it. The pushing mechanism is used to clean up the scraped liquid. The scraping mechanism includes a disc (32), a rotating block (30) fixedly connected to the bottom end of the disc (32), the rotating block (30) being rotatably connected to a support block (28), a fixed gear (31) fixedly connected to the top end of the disc (32), a connecting rod (34) fixedly connected to the top end of the fixed gear (31), a fixed block (33) fixedly connected to the top end of the connecting rod (34), the fixed block (33) being sleeved in a movable frame (36), and sliding rods (35) fixedly connected to both the front and rear sides of the movable frame (36). (35) Inserted on the fixed frame (29), the bottom ends of the support block (28) and the fixed frame (29) are fixedly connected to the top of the upper scraper (25), the front slide rod (35) is fixedly connected to the connecting frame (37), the bottom end of the connecting frame (37) is fixedly connected to the connecting plate (38), the connecting frame (37) and the connecting plate (38) are both U-shaped, the connecting plate (38) is provided with two sets of through slots (39), the inside of the through slots (39) is inserted with a scraper (40), and the fixed gear (31) is provided with a drive mechanism; The separation mechanism includes a connecting block (44), which is fixedly connected to a scraper (40). A fixing plate (42) is fixedly connected to one side of the connecting block (44). A rod (45) and a spring (46) are fixedly connected to the side of the connecting block (44) away from the scraper (40). The spring (46) is sleeved on the rod (45). The side of the spring (46) away from the connecting block (44) contacts the long plate (50). A pulley (47) is rotatably connected to the side of the rod (45) away from the connecting block (44). The pulley (47) is slidably connected inside a movable groove (49). The movable groove (49) is opened in the long plate (50). Inside the drying chamber (1), the front and rear sides of the long plate (50) are fixedly connected to the inner wall of the drying chamber (1). The interior of the movable groove (49) is fixedly connected with two sets of fixing strips (48). The distance between the two sets of fixing strips (48) is slightly larger than the diameter of the insert rod (45). The long plate (50) does not contact the abutting block (51). The abutting block (51) is fixedly connected to the upper scraper (25) and the lower scraper (26). The upper scraper (25) and the lower scraper (26) have rectangular grooves (52) near the abutting block (51). The abutting block (51) is located below the fan (27). The fan (27) is fixedly connected to the cover plate (20). The pushing mechanism includes a second rack (60), which meshes with a rotating gear (59). The rear end of the second rack (60) is slidably connected to a guide block (63), which is fixedly connected to the front end of the drying chamber (1). The side of the second rack (60) away from the rotating gear (59) is fixedly connected to a push rod (61). The push rod (61) is rotatably connected to a connecting rod (62), which is rotatably connected to a rotating disk (67). The rotating disk (67) is fixedly connected to the shaft of a set of conveying rollers (21). A pusher plate (64) is fixedly connected to the bottom end of the second rack (60). The pusher plate (64) is located below the lower scraper (26). The bottom end of the pusher plate (64) contacts the bottom end of the inner wall of the drying chamber (1). Two sets of discharge grooves (66) are provided on the bottom end of the drying chamber (1).

2. The adhesive-coated kraft paper impregnation and drying machine according to claim 1, characterized in that: The driving mechanism includes a first rack (54), which meshes with a fixed gear (31). A long rod (55) is fixedly connected to the front end of the first rack (54). The front end of the long rod (55) is fixedly connected to a moving block (56). The bottom ends of the first rack (54) and the long rod (55) are slidably connected to a support frame (53). The support frame (53) is fixedly connected to an upper scraper (25). The moving block (56) is threadedly connected to a threaded rod (57). The rear end of the threaded rod (57) is rotatably connected to the inner wall of a slot (58). The slot (58) is opened at the front end of the upper scraper (25). The slot (58) contacts the moving block (56). The front end of the threaded rod (57) is fixedly connected to a rotating gear (59). The rotating gear (59) is rotatably connected to the front end of the drying chamber (1).

3. The adhesive-coated kraft paper impregnation and drying machine according to claim 1, characterized in that: A stop block (41) is fixedly connected to the scraper (40), and the stop block (41) is rectangular in design.

4. The adhesive-coated kraft paper impregnation and drying machine according to claim 3, characterized in that: The scraper (40) and the connecting block (44) are provided with a sliding groove (43) on one side. The scraper (40) and the connecting block (44) are inserted into the through groove (39). The inner wall of the through groove (39) is provided with a corresponding groove of the sliding groove (43).

5. The adhesive-coated kraft paper impregnation and drying machine according to claim 1, characterized in that: Two sets of limiting rings (24) are fitted on the conveying roller (21) on the right side. The radius of the limiting ring (24) is larger than the radius of the conveying roller (21).

6. The adhesive-coated kraft paper impregnation and drying machine according to claim 1, characterized in that: Both the fixed gear (31) and the disk (32) have circular holes at their top ends, and the circular holes are distributed circumferentially on the fixed gear (31) and the disk (32).

7. The adhesive-coated kraft paper impregnation and drying machine according to claim 1, characterized in that: A fixed frame (65) is fixedly connected to the bottom of the inner wall of the drying chamber (1), and the fixed frame (65) is rectangular in design.

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