Leveling equipment for drying production of grey board paper

Abstract

The utility model relates to the technical field of grey board paper production, in particular to leveling equipment for grey board paper drying production, which comprises a working platform, a drying component, an automatic cleaning component and a leveling component, a conveying belt is fittingly mounted in an inner cavity of the working platform, a drying box is mounted in the middle of the top surface of the working platform, and the drying component is fittingly mounted on the top surface of an inner cavity of the drying box. An automatic cleaning assembly is installed on one side of an inner cavity of the drying box in a matched mode, and a leveling assembly is installed on the automatic cleaning assembly in a matched mode. The automatic cleaning assembly is arranged in the leveling equipment for drying production of the grey paperboard, and all structures in the automatic cleaning assembly are matched with one another, so that foreign matters on the surface of the pressure roller are quickly and automatically cleaned, and the leveling effect of the device is guaranteed; the problems that equipment for automatically cleaning the surface of the pressure roller is not arranged in an existing device, and the pressure roller is located in a drying box, so that the surface of the pressure roller is difficult to clean manually, and the working efficiency of the device is further reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of grey board paper production, in particular to a flattening device for grey board paper drying production. Background Technique

[0002] In the process of grey board paper production, since the glue contains more than 20% water, it is necessary to use a microwave drying device to dry part of the water in the grey board paper. During the drying process of the grey board paper, while the water in the grey board paper is being dried, the surface of the grey board paper may wrinkle;

[0003] In an existing utility model patent, a shaping device for grey board paper drying and cleaning production (publication number: CN216615318U) provides a pressure roller device arranged in a drying device to solve the problem that the grey board paper is prone to wrinkle and deformation during drying;

[0004] When the pressure roller in the existing scheme is in use, its surface is prone to be contaminated with glue, dust and other impurities, but the existing device does not have a device for automatically cleaning the surface of the pressure roller, and the pressure roller is located inside the drying box, which makes it difficult to clean the surface of the pressure roller manually, further leading to the problem of reducing the working efficiency of the device. Therefore, a flattening device for grey board paper drying production is needed to improve the above problems. Content of the Utility Model

[0005] In order to solve the problem that the existing device does not have a device for automatically cleaning the surface of the pressure roller, and the pressure roller is located inside the drying box, which makes it difficult to clean the surface of the pressure roller manually, further leading to the problem of reducing the working efficiency of the device, the utility model provides a flattening device for grey board paper drying production to solve the above problems.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A flattening device for grey board paper drying production includes a working platform, a control panel, a conveyor belt, a drying box, a drying component, an automatic cleaning component and a flattening component. A conveyor belt is installed in the inner cavity of the working platform in a matching manner. A drying box is installed in the middle of the top surface of the working platform. A drying component is installed on the top surface of the inner cavity of the drying box in a matching manner. An automatic cleaning component is installed on one side of the inner cavity of the drying box in a matching manner. A flattening component is installed on the automatic cleaning component in a matching manner;

[0008] The automatic cleaning component includes a motor, a limit frame and a second transfer plate;

[0009] In the inner cavity of the drying box, a groove is formed in the middle of the inner wall on one side of the advancing direction of the vertical conveyor belt. A motor is installed on the top surface of the inner cavity of the groove. A first threaded rod is installed on the power output shaft of the motor. A second moving block is threadedly connected to the first threaded rod;

[0010] A rack is installed on the side wall of the second moving block;

[0011] On one side of the inner wall of the drying box where the groove is formed, a fixed block, a positioning frame and a fixed block are sequentially installed. A connecting shaft is rotatably installed in the positioning frame. A worm gear is installed in the middle of the outer wall of the connecting shaft. Connecting frames are respectively installed on the two fixed blocks;

[0012] In the inner cavities of the two connecting frames, second threaded rods are respectively rotatably installed. A first moving block is threadedly connected to the second threaded rods. The two ends of the connecting shaft respectively penetrate through the outer walls of the connecting frames and extend into the inner cavities of the connecting frames. The two ends of the connecting shaft are respectively connected to the second threaded rods;

[0013] A first transfer plate is installed below the side wall of the first moving block. A mechanical telescopic rod is installed in the middle of the bottom surface of the first transfer plate. The telescopic end of the mechanical telescopic rod is connected to a second transfer plate. A plurality of scraping rings are evenly distributed on the bottom surface of the second transfer plate;

[0014] The second transfer plate is slidably installed in the inner cavity of the limit frame;

[0015] A gear is rotatably installed on the side wall of the inner cavity of the drying box between the positioning frame and the groove;

[0016] A worm is installed in the middle of the gear and on the side close to the worm gear. The worm meshes with the worm gear, and the gear meshes with the rack.

[0017] As a preferred solution of the present utility model, a leveling assembly is cooperatively installed on the side wall of the second moving block. The leveling assembly includes a rectangular frame. A limit frame is installed on one side of the top surface of the rectangular frame close to the groove. The rectangular frame is installed on the side wall of the second moving block. A plurality of rotating shafts are evenly distributed in the inner cavity of the rectangular frame. Pressure rollers are symmetrically and rotatably arranged on the outer walls of the plurality of rotating shafts.

[0018] As a preferred solution of the present utility model, a rotating shaft penetrates through the inner cavity of the scraping ring, and the inner wall of the scraping ring contacts the outer wall of the pressure roller.

[0019] As a preferred solution of the present utility model, the drying assembly includes a mounting frame and a hydraulic telescopic rod. The mounting frame is installed above the inner cavity of the drying box. The hydraulic telescopic rod is installed at the central position of the mounting frame. The power output shaft of the hydraulic telescopic rod penetrates through the mounting frame and extends to the lower side of the mounting frame. A connecting plate is installed at the telescopic end of the mounting frame, and a dust filter screen is installed on the side of the connecting plate away from the hydraulic telescopic rod.

[0020] As a preferred solution of the present utility model, an installation frame is installed below the outer frame of the dust filter screen. A plurality of blowers are evenly distributed on the bottom surface of the inner cavity of the installation frame. An air duct is installed on the air outlet pipe of the blower. The air duct penetrates through the bottom of the installation frame and extends to the lower side of the installation frame. The air duct is integrally in an "L" shape on one side below the installation frame. A plurality of through holes are evenly opened on the upper side of the outer wall of the air duct below the installation frame.

[0021] As a preferred solution of the present utility model, a fixed frame is installed on the bottom surface of the outer wall of the installation frame. A plurality of heating wires are evenly distributed in the inner cavity of the fixed frame. A plurality of air outlets are evenly opened on the bottom surface of the inner cavity of the fixed frame.

[0022] As a preferred solution of the present utility model, through grooves are respectively opened on the outer walls on the left and right sides of the drying box, and observation windows are respectively installed in the inner cavities of the two through grooves.

[0023] As a preferred solution of the present utility model, a control panel is installed on one side of the top surface of the working platform.

[0024] Compared with the prior art, the present utility model sets an automatic cleaning component in a flattening device for grey board paper drying production. When it is necessary to clean the surface of the pressure roller after the device has been used for a period of time, first start the motor to drive the first threaded rod to rotate, thereby adjusting the height of the second moving block, the flattening component and the limiting frame in the vertical direction. As the limiting frame rises, the second middle transfer plate will push the mechanical telescopic rod to contract, and the rack on the second moving block will drive the gear to rotate. When the gear rotates, the gear drives the two second threaded rods to rotate synchronously through the limiting frame, the worm gear and the connecting shaft, thereby driving the two first moving blocks to move. The movement of the first moving block will drive the first middle transfer plate, the mechanical telescopic rod, the second middle transfer plate and the scraping ring to move. At this time, the scraping ring will scrape the foreign matters on the surface of the pressure roller, achieving the benefit of quickly and automatically cleaning the foreign matters on the surface of the pressure roller and ensuring the flattening effect of the device, and solving the problem that the existing device does not set up equipment for automatically cleaning the surface of the pressure roller, and the pressure roller is located inside the drying box, which makes it difficult to clean the surface of the pressure roller manually, further leading to the problem of reducing the working efficiency of the device.

[0025] Compared with the prior art, in the leveling device for the drying production of grey board paper of the present utility model, a drying component is provided. When the device is in use, the hydraulic telescopic rod can drive the dust filter net, the installation frame, the fan, the ventilation duct and the fixed frame to move downward as a whole, so as to achieve the benefit of adjusting the drying efficiency by adjusting the distance between the air outlet and the grey board paper. Moreover, the design of the dust filter net can reduce the benefit that dust in the air is adsorbed by the fan and enters the drying component and the drying box. Brief Description of the Drawings

[0026] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0027] Figure 2 It is an exploded structure schematic diagram of the present utility model;

[0028] Figure 3 For the present utility model Figure 2 The enlarged structure schematic diagram at position A;

[0029] Figure 4 It is a schematic diagram of the heating wire installation structure of the present utility model;

[0030] Figure 5 For the present utility model Figure 4 The enlarged structure schematic diagram at position B;

[0031] Figure 6 It is a front view structure schematic diagram of the automatic cleaning component of the present utility model;

[0032] Figure 7 It is a rear view structure schematic diagram of the automatic cleaning component of the present utility model.

[0033] In the figure: 1, working platform; 2, control panel; 3, conveyor belt; 4, drying box; 5, drying component; 501, mounting rack; 502, hydraulic telescopic rod; 503, connecting plate; 504, dust filter net; 505, mounting frame; 506, fan; 507, fixed frame; 508, heating wire; 509, air outlet; 5010, ventilation duct; 5011, through hole; 6, observation window; 7, through slot; 8, automatic cleaning component; 801, first threaded rod; 802, motor; 803, positioning frame; 804, connecting shaft; 805, worm gear; 806, connecting frame; 807, second threaded rod; 808, first moving block; 809, fixed block; 8010, second moving block; 8011, rack; 8012, first transfer plate; 8013, mechanical telescopic rod; 8014, second transfer plate; 8015, scraping ring; 8016, limiting frame; 8017, gear; 8018, worm; 9, groove; 10, leveling component; 1001, rectangular frame; 1002, rotating shaft; 1003, pressure roller. Detailed Embodiments

[0034] Next, in combination with the accompanying drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0035] Embodiment: Please refer to Figure 1-7 A leveling device for the drying production of grey board paper, including a working platform 1, a control panel 2, a conveyor belt 3, a drying box 4, a drying component 5, an automatic cleaning component 8 and a leveling component 10. A conveyor belt 3 is cooperatively installed in the inner cavity of the working platform 1, a drying box 4 is installed in the middle of the top surface of the working platform 1, a drying component 5 is cooperatively installed on the top surface of the inner cavity of the drying box 4, an automatic cleaning component 8 is cooperatively installed on one side of the inner cavity of the drying box 4, and a leveling component 10 is cooperatively installed on the automatic cleaning component 8;

[0036] The automatic cleaning component 8 includes a motor 802, a limit frame 8016 and a second transfer plate 8014;

[0037] In the inner cavity of the drying box 4, in the middle of the inner wall on the side perpendicular to the advancing direction of the conveyor belt 3, a groove 9 is opened. A motor 802 is installed on the top surface of the inner cavity of the groove 9. A first threaded rod 801 is installed on the power output shaft of the motor 802. A second moving block 8010 is threadedly connected to the first threaded rod 801;

[0038] A rack 8011 is installed on the side wall of the second moving block 8010;

[0039] On the inner wall of one side of the inner cavity of the drying box 4 where the groove 9 is opened, a fixed block 809, a positioning frame 803 and a fixed block 809 are sequentially installed. A connecting shaft 804 is rotatably installed in the positioning frame 803. A worm wheel 805 is installed in the middle of the outer wall of the connecting shaft 804. Connecting frames 806 are respectively installed on the two fixed blocks 809;

[0040] In the inner cavities of the two connecting frames 806, second threaded rods 807 are respectively rotatably installed. A first moving block 808 is threadedly connected to the second threaded rods 807. The two ends of the connecting shaft 804 respectively penetrate through the outer walls of the connecting frames 806 and extend into the inner cavities of the connecting frames 806. The two ends of the connecting shaft 804 are respectively connected to the second threaded rods 807;

[0041] Among them, the thread opening directions on the two second threaded rods 807 are opposite, so that the moving directions of the two first moving blocks 808 are opposite each time;

[0042] A first transfer plate 8012 is installed below the side wall of the first moving block 808. A mechanical telescopic rod 8013 is installed in the middle of the bottom surface of the first transfer plate 8012. A second transfer plate 8014 is connected to the telescopic end of the mechanical telescopic rod 8013. A plurality of scraping rings 8015 are evenly distributed on the bottom surface of the second transfer plate 8014;

[0043] The second transfer plate 8014 is slidably installed in the inner cavity of the limit frame 8016;

[0044] Among them, when the second moving block 8010 rises or falls, the second moving block 8010 synchronously drives the rack 8011 to move, and the rack 8011 synchronously rotates the transmission gear 8017 and the worm 8018 on the gear 8017. The worm 8018 also drives the worm gear 805 and the connecting shaft 804 to rotate. With the rotation of the connecting shaft 804, the two second threaded rods 807 also start to rotate, improving the working efficiency of the motor 802;

[0045] A gear 8017 is rotatably installed between the side wall of the inner cavity of the drying box 4 and the positioning frame 803 and the groove 9;

[0046] A worm 8018 is installed in the middle of the gear 8017 and on the side close to the worm gear 805. The worm 8018 meshes with the worm gear 805, and the gear 8017 meshes with the rack 8011.

[0047] In this embodiment, specifically refer to Figure 1 、 Figure 2 、 Figure 6 and Figure 7 , a leveling assembly 10 is cooperatively installed on the side wall of the second moving block 8010. The leveling assembly 10 includes a rectangular frame 1001. A limit frame 8016 is installed on the top surface of the rectangular frame 1001 close to the groove 9. The rectangular frame 1001 is installed on the side wall of the second moving block 8010. A plurality of rotating shafts 1002 are evenly distributed in the inner cavity of the rectangular frame 1001. Pressure rollers 1003 are symmetrically and rotatably arranged on the outer walls of the plurality of rotating shafts 1002;

[0048] Among them, since the thickness of the grey board is relatively thin, there is a gap between the two pressure rollers 1003, which is convenient for the scraping ring 8015 to have an adjustable distance when it moves between the two pressure rollers 1003, facilitating the appropriate adjustment of the height between the pressure rollers 1003 and the conveyor belt 3, so as to adapt to grey boards of different heights and improve the applicability of the device.

[0049] In this embodiment, specifically refer to Figure 1 、 Figure 2 、 Figure 6 and Figure 7 , the inner cavity of the scraping ring 8015 is penetrated by the rotating shaft 1002, and the inner wall of the scraping ring 8015 contacts the outer wall of the pressure roller 1003;

[0050] Among them, during the movement of the scraping ring 8015, the dust and glue on the surface of the pressure roller 1003 will be scraped off.

[0051] In this embodiment, for specific reference Figure 1 , Figure 2 , Figure 4 and Figure 5 , the drying assembly 5 includes a mounting frame 501 and a hydraulic telescopic rod 502. The mounting frame 501 is installed above the inner cavity of the drying box 4. A hydraulic telescopic rod 502 is installed at the central position of the mounting frame 501. The power output shaft of the hydraulic telescopic rod 502 penetrates through the mounting frame 501 and extends to the lower side of the mounting frame 501. A connecting plate 503 is installed at the telescopic end of the mounting frame 501. A dust filter net 504 is installed on the side of the connecting plate 503 away from the hydraulic telescopic rod 502;

[0052] Among them, the design of the dust filter net 504 can reduce the benefit that dust in the air is adsorbed by the fan 506 and enters the drying assembly 5 and the drying box 4.

[0053] In this embodiment, for specific reference Figure 1 , Figure 2 , Figure 4 and Figure 5 , a mounting frame 505 is installed below the outer frame of the dust filter net 504. A plurality of fans 506 are evenly distributed on the bottom surface of the inner cavity of the mounting frame 505. A ventilation duct 5010 is installed on the air outlet pipe of the fan 506. The ventilation duct 5010 penetrates through the bottom of the mounting frame 505 and extends to the lower side of the mounting frame 505. The ventilation duct 5010 is integrally in an "L" shape on one side below the mounting frame 505. A plurality of through holes 5011 are evenly opened on the upper side of the outer wall of the ventilation duct 5010 below the mounting frame 505;

[0054] Among them, the through holes 5011 are opened upward so that the air entering the fixed frame 507 first goes upward and then downward, increasing the time of the air in the fixed frame 507 and facilitating the heating of the air by the heating wire 508.

[0055] In this embodiment, for specific reference Figure 1 , Figure 2 , Figure 4 and Figure 5 , the bottom surface of the outer wall of the mounting frame 505 is installed with a fixed frame 507. A plurality of heating wires 508 are evenly distributed in the inner cavity of the fixed frame 507. A plurality of air outlets 509 are evenly opened on the bottom surface of the inner cavity of the fixed frame 507;

[0056] Among them, the plurality of air outlets 509 facilitate the evenly spraying of the heated air on the grey cardboard, improving the drying quality.

[0057] In this embodiment, for specific reference Figure 1 andFigure 2 On the outer walls on the left and right sides of the drying oven 4, through grooves 7 are respectively formed, and observation windows 6 are respectively installed in the inner cavities of the two through grooves 7;

[0058] Among them, the design of the through groove 7 and the observation window 6 facilitates observing the interior of the drying oven 4.

[0059] In this embodiment, specifically refer to Figure 1 On one side of the top surface of the working platform 1, a control panel 2 is installed;

[0060] Among them, the control panel 2 is used to control the start, stop and operation of all electrical equipment in the device.

[0061] When a flatting device for grey board paper drying production is working, first, all the electrical equipment in the device is powered on;

[0062] After the device is officially put into use, the grey board paper is placed on the top surface of the conveyor belt 3, and the conveyor belt 3 is used to transport it into the drying oven 4 for processing;

[0063] The hydraulic telescopic rod 502 can drive the dust filter net 504, the installation frame 505, the fan 506, the ventilation duct 5010 and the fixed frame 507 to move downward integrally, so as to achieve the benefit of adjusting the drying efficiency by adjusting the distance between the air outlet 509 and the grey board paper;

[0064] And the design of the dust filter net 504 can reduce the benefit that dust in the air is adsorbed by the fan 506 and enters the drying assembly 5 and the drying oven 4;

[0065] When the surface of the pressure roller 1003 needs to be cleaned after the device has been used for a period of time, first, start the motor 802 to drive the first threaded rod 801 to rotate, so as to adjust the height of the second moving block 8010, the flattening assembly 10 and the limit frame 8016 in the vertical direction. As the limit frame 8016 rises, the second middle transfer plate 8014 will push the mechanical telescopic rod 8013 to contract;

[0066] And the rack 8011 on the second moving block 8010 will drive the transmission gear 8017 to rotate. When the gear 8017 rotates, the gear 8017 drives two second threaded rods 807 to rotate synchronously through the limit frame 8016, the worm wheel 805 and the connecting shaft 804, and then drives two first moving blocks 808 to move. The movement of the first moving block 808 will drive the first middle transfer plate 8012, the mechanical telescopic rod 8013, the second middle transfer plate 8014 and the scraping ring 8015 to move. At this time, the scraping ring 8015 will scrape the foreign matters on the surface of the pressure roller 1003, so as to achieve the benefit of quickly and automatically cleaning the foreign matters on the surface of the pressure roller 1003 and ensuring the flattening effect of the device;

[0067] Subsequently, control the motor 802 to rotate in the reverse direction, move the scraping ring 8015 between the two pressure rollers 1003, so that the device can be put into normal use.

[0068] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A leveling device for the drying production of grey board paper, comprising a working platform (1), a control panel (2), a conveyor belt (3), a drying box (4), a drying component (5), an automatic cleaning component (8) and a leveling component (10), characterized in that: Inside the cavity of the working platform (1), a conveyor belt (3) is fitted and installed. In the middle of the top surface of the working platform (1), a drying box (4) is installed. Inside the drying box (4), a drying component (5) is fitted and installed on the top surface of the cavity. On one side of the cavity of the drying box (4), an automatic cleaning component (8) is fitted and installed. On the automatic cleaning component (8), a leveling component (10) is fitted and installed. The automatic cleaning component (8) includes a motor (802), a limit frame (8016), and a second transfer plate (8014). In the cavity of the drying box (4), in the middle of the inner wall on the side perpendicular to the advancing direction of the conveyor belt (3), a groove (9) is opened. On the top surface of the cavity of the groove (9), a motor (802) is installed. On the power output shaft of the motor (802), a first threaded rod (801) is installed. A second moving block (8010) is threadedly connected to the first threaded rod (801). On the side wall of the second moving block (8010), a rack (8011) is installed. On the inner wall of the side of the cavity of the drying box (4) where the groove (9) is opened, a fixed block (809), a positioning frame (803), and a fixed block (809) are sequentially installed. In the positioning frame (803), a connecting shaft (804) is rotatably installed. In the middle of the outer wall of the connecting shaft (804), a worm gear (805) is installed. On the two fixed blocks (809), connecting frames (806) are respectively installed. In the cavities of the two connecting frames (806), second threaded rods (807) are respectively rotatably installed. A first moving block (808) is threadedly connected to the second threaded rod (807). The two ends of the connecting shaft (804) respectively penetrate through the outer walls of the connecting frames (806) and extend into the cavities of the connecting frames (806). The two ends of the connecting shaft (804) are respectively connected to the second threaded rods (807). Below the side wall of the first moving block (808), a first transfer plate (8012) is installed. In the middle of the bottom surface of the first transfer plate (8012), a mechanical telescopic rod (8013) is installed. The telescopic end of the mechanical telescopic rod (8013) is connected to a second transfer plate (8014). On the bottom surface of the second transfer plate (8014), a plurality of scraping rings (8015) are evenly distributed. In the cavity of the limit frame (8016), the second transfer plate (8014) is slidably installed. Inside the drying box (4), a gear (8017) is rotatably installed on the side wall between the positioning frame (803) and the groove (9). In the middle of the gear (8017) and on the side close to the worm gear (805), a worm (8018) is installed. The worm (8018) meshes with the worm gear (805). The gear (8017) meshes with the rack (8011).

2. The leveling device for the drying production of grey board paper according to claim 1, characterized in that: A leveling component (10) is fitted and installed on the side wall of the second moving block (8010). The leveling component (10) includes a rectangular frame (1001). On one side of the top surface of the rectangular frame (1001) close to the groove (9), a limiting frame (8016) is installed. On the side wall of the second moving block (8010), a rectangular frame (1001) is installed. A plurality of rotating shafts (1002) are evenly distributed in the inner cavity of the rectangular frame (1001). On the outer walls of the plurality of rotating shafts (1002), pressure rollers (1003) are symmetrically and rotatably arranged respectively.

3. The leveling device for the drying production of grey board paper according to claim 1, characterized in that: A rotating shaft (1002) penetrates through the inner cavity of the scraping ring (8015), and the inner wall of the scraping ring (8015) contacts the outer wall of the pressure roller (1003).

4. A flattening device for the drying production of grey board paper according to claim 1, characterized in that: The drying component (5) includes a mounting frame (501) and a hydraulic telescopic rod (502). Above the inner cavity of the drying box (4), a mounting frame (501) is installed. At the central position of the mounting frame (501), a hydraulic telescopic rod (502) is installed. The power output shaft of the hydraulic telescopic rod (502) penetrates through the mounting frame (501) and extends to the lower part of the mounting frame (501). A connecting plate (503) is installed at the telescopic end of the mounting frame (501). On one side of the connecting plate (503) away from the hydraulic telescopic rod (502), a dust filter screen (504) is installed.

5. The leveling device for the drying production of grey board paper according to claim 4, characterized in that: Below the outer frame of the dust filter screen (504), a mounting frame (505) is installed. On the bottom surface of the inner cavity of the mounting frame (505), a plurality of air blowers (506) are evenly distributed. An air duct (5010) is installed on the air outlet pipe of the air blower (506). The air duct (5010) penetrates through the bottom of the mounting frame (505) and extends to the lower part of the mounting frame (505). The air duct (5010) on one side below the mounting frame (505) is integrally in an "L" shape. A plurality of through holes (5011) are evenly opened on the upper part of the outer wall of the air duct (5010) below the mounting frame (505).

6. The leveling device for the drying production of grey board paper according to claim 5, characterized in that: On the bottom surface of the outer wall of the mounting frame (505), a fixed frame (507) is installed. A plurality of heating wires (508) are evenly distributed in the inner cavity of the fixed frame (507). A plurality of air outlets (509) are evenly opened on the bottom surface of the inner cavity of the fixed frame (507).

7. A flattening device for the drying production of grey board paper according to claim 1, characterized in that: Through grooves (7) are respectively opened on the left and right outer walls of the drying box (4), and observation windows (6) are respectively installed in the inner cavities of the two through grooves (7).

8. The leveling device for the drying production of grey board paper according to claim 1, wherein: A control panel (2) is installed on one side of the top surface of the working platform (1).

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