A feeding device for corrugated box printing

Abstract

The present invention relates to the technical field of corrugated cardboard box printing, and discloses a feeding device for corrugated cardboard box printing, including a table frame, the interior of the table frame is rotatably connected to a roller group, the lower surface of the table frame is fixedly connected to a large motor, the output end of the large motor is rotatably connected to a large motor belt, the end of the large motor belt away from the large motor is rotatably connected to the roller group, the upper surface of the table frame is fixedly connected to a fixed plate, the surface of the table top is rotatably connected to a pulley group, and the pulley group is fixedly connected to the roller group. The present invention rotates the output end of the large motor by supplying power, and then transmits it to the large motor belt, the large motor belt is connected to the first roller, thereby driving the first roller to rotate, the rotation of the first roller drives the first pulley to rotate, the first pulley is connected to the remaining pulley groups through the pulley belt, thereby driving the remaining pulley groups to rotate, and the remaining pulley groups are connected to the remaining roller groups.

Description

Technical Field

[0001] The invention relates to the technical field of corrugated paper box printing, in particular to a feeding device for corrugated paper box printing. Background Art

[0002] Corrugated paper boxes are the most widely used packaging products, and their usage has always been the first among all kinds of packaging products. Corrugated paper boxes are paper containers widely used in transportation and packaging. With their superior performance and good processing performance, corrugated paper boxes have gradually replaced wooden boxes and other transportation packaging containers and become the main force of transportation packaging. In addition to protecting goods and facilitating storage and transportation, they also play a role in beautifying and promoting goods.

[0003] When printing corrugated boxes, the corrugated boxes need to be transported to the inside of the printing device by a transport device. The current transport device is generally composed of rollers. When the corrugated boxes move on the rollers, due to the intervals between the rollers, it is easy for the corrugated boxes to deviate when moving, which can easily cause the corrugated boxes to hit the table frame, causing damage to the corners of the corrugated boxes. On the other hand, the deviation of the corrugated boxes will also affect the delivery efficiency, causing the corrugated boxes to pile up on the rollers, affecting the printing efficiency of the corrugated boxes. Summary of the invention

[0004] The object of the present invention is to provide a feeding device for printing corrugated paper boxes to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a feeding device for printing corrugated paper boxes, comprising a table frame, wherein the interior of the table frame is rotatably connected to a roller group, the lower surface of the table frame is fixedly connected to a large motor, the output end of the large motor is rotatably connected to a large motor belt, the end of the large motor belt away from the large motor is rotatably connected to the roller group, the upper surface of the table frame is fixedly connected to a fixed plate, the surface of the table top is rotatably connected to a pulley group, the pulley group is fixedly connected to the roller group, the inner wall of the pulley group is rotatably connected to the pulley belt, a printing device is arranged on the upper surface of the table frame, a correction device is arranged on the upper surface of the fixed plate, a pressing device is arranged on the upper surface of the fixed plate, a height adjustment device is arranged on the upper surface of the fixed plate, a pillar is fixedly connected to the upper surface of the fixed plate, a seven-shaped column is fixedly connected to the upper surface of the fixed plate, an end of the seven-shaped column close to the pillar is fixedly connected to a rectangular plate, and a small motor is fixedly connected to the upper surface of the rectangular plate.

[0007] The correction device includes a sliding plate, the upper surface of the sliding plate is fixedly connected to a screw hole plate, the output end of the small motor is transmission-connected to a small motor belt, the end of the small motor belt away from the small motor is transmission-connected to a cylindrical rod, the cylindrical rod is rotatably connected to the inner wall of the seven-shaped column, the lower part of the cylindrical rod is transmission-connected to a rod belt, the rod belt is transmission-connected to a threaded rod, the threaded rod is threadedly connected to the inner wall of the screw hole plate, the upper surface of the fixed plate is fixedly connected to a round hole frame, the upper surface of the round hole frame is slidably connected to the sliding plate, the surface of the fixed plate is fixedly connected to a door-shaped body, and the threaded rod is rotationally connected to the inner wall of the door-shaped body.

[0008] Furthermore, the pressing device includes a pressing plate, the upper surface of which is hinged with a connecting square rod, the end of the connecting square rod away from the lower pressing plate is hinged with a hollow sliding block, the inner wall of the hollow sliding block is slidably connected with a fixed block, and the side of the fixed block away from the hollow sliding block is fixedly connected to the screw hole plate.

[0009] Furthermore, the height adjustment device includes a sliding connecting rod, the inner surface of the sliding connecting rod is fixedly connected with a spring, the end of the spring away from the sliding connecting rod is fixedly connected to the screw hole plate, the sliding connecting rod is slidably connected to the upper surface of the screw hole plate, the end of the sliding connecting rod close to the seven-shaped column is fixedly connected with a retraction rod, the end of the retraction rod away from the fixed block is fixedly connected with an electric push rod, the upper surface of the electric push rod is fixedly connected to a tripod, the top of the tripod is fixedly connected to the seven-shaped column, the lower surface of the sliding connecting rod is fixedly connected to a five-hole insertion plate, the five-hole insertion plate is plugged into the fixed block, the inner wall of the sliding connecting rod is slidably connected with a cylindrical stick, the lower surface of the cylindrical stick is fixedly connected to a semi-circular cube, and the semi-circular cube is fixedly connected to the upper surface of the seven-shaped column.

[0010] Furthermore, there are two heptad columns, which are symmetrically arranged around the center of the cylindrical rod. The end of the cylindrical rod passes through the heptad column and extends to the outer end of the heptad column. There are three circular hole racks, which are evenly distributed on the surface of the fixed plate.

[0011] Furthermore, the rectangular plate is located on the upper surface of the pillar, the number of the pillars is two, the two pillars are symmetrically arranged with the round rod as the center, and the small motor is located on the top of the rectangular plate.

[0012] Furthermore, the number of the connecting cube rods is set to four, the four connecting cube rods are located at the four corners of the top of the lower pressing plate, and the end of the connecting cube rod away from the lower pressing plate is located in the middle of the end of the hollow sliding block away from the fixed block.

[0013] Furthermore, the ends of both ends of the retractable rod are located on the lower surface of the sliding connecting rod, a socket is provided at one end of the fixed block close to the five-hole insertion plate, and five sockets are provided on the surface of the fixed block.

[0014] Furthermore, the cylindrical rod is located directly above the threaded rod, two screw hole plates are provided, and the two screw hole plates are symmetrically arranged around the circular hole frame, two sliding plates are provided, and the two sliding plates are symmetrically arranged around the cylindrical rod, and the surface of the fixed plate contacts the surface of the sliding plate.

[0015] The present invention has the following beneficial effects:

[0016] The present invention enables the output end of the large motor to rotate by power supply, and then transmits power to the large motor belt. The large motor belt is connected to the first roller, thereby driving the first roller to rotate. The rotation of the first roller drives the first pulley to rotate. The first pulley is connected to the remaining pulley groups through the pulley belt, thereby driving the remaining pulley groups to rotate. The remaining pulley groups are connected to the remaining roller groups, thereby driving the remaining rollers to rotate. The rotation of the rollers drives the corrugated paper box to move, thereby playing a role in conveying the corrugated paper box. The small motor supplies power to enable the output end of the small motor to rotate back and forth, and then transmits power to the small motor belt. The small motor belt drives the cylindrical rod back and forth Rotation, the cylindrical rod is limited by the seven-shaped column when rotating to avoid deviation of the cylindrical rod when rotating, the rotation of the cylindrical rod drives the threaded rod to rotate back and forth through the rod belt, and the threaded rod is limited by the door-shaped body when rotating back and forth to avoid deviation of the threaded rod when rotating, and the threaded rod drives the screw hole plates to move closer to or away from each other on the round hole rack when rotating, and the screw hole plates are limited by the fixed plate when moving to avoid deviation of the screw hole plates and the sliding plate when moving on the round hole rack. The corrugated box moves to the calibration device when the roller group moves, and the sliding plates correct the corrugated box when they are close to each other to avoid printing errors of the corrugated box at the printing device.

[0017] The screw hole plates of the present invention will drive the four square rods to move when they approach or move away from each other, so that the lower pressure plate moves downward when they approach or move away from each other, and moves upward when they move away from each other. The tops of the two ends of the four square rods are respectively hinged to the lower pressure plate and the hollow sliding block, so as to avoid the four square rods from breaking when they approach or move away from each other, thereby playing a buffering role. When the roller group moves the corrugated cardboard box to the lower pressure device, the lower pressure plate moves downward, so as to avoid the calibration device from squeezing the corrugated cardboard box when it is in the calibration position, thereby playing a role in protecting the flatness of the corrugated cardboard box.

[0018] The electric push rod of the present invention pushes the two contraction rods to move, which will drive the sliding connecting rod to slide on the top of the screw hole plate, thereby driving the spring to compress and expand, playing a buffering role. The sliding connecting rod moves together with the five-hole insertion plate. When the five-hole insertion plate moves inward, the hollow sliding block moves up and down on the fixed block to adjust the height. After the height adjustment is completed, the electric push rod expands to drive the five-hole insertion plate to be inserted into the hole of the fixed block. When the screw hole plate moves inward or outward, it will drive the sliding connecting rod to slide on the cylindrical rod, and at the same time it will also drive the contraction rod to contract. The cylindrical rod plays a stabilizing role to prevent the sliding connecting rod from running off when sliding. The contraction rod is convenient for driving the sliding connecting rod to move. The height device is adjusted according to the height of the corrugated cardboard box to prevent the corrugated cardboard box from being pressed down in place due to different heights, thereby achieving adaptability to a variety of corrugated cardboard boxes.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the fixing plate structure of the present invention;

[0023] Figure 3 It is a schematic diagram of the table frame structure of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the roller group of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the correction device of the present invention;

[0027] Figure 7 It is a structural schematic diagram of the pressing device of the present invention;

[0028] Figure 8 This is a schematic diagram of the height adjustment device structure of the present invention;

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0030] In the figure: 1. small motor; 2. printing device; 3. fixed plate; 4. pulley block; 5. large motor; 6. table frame; 7. correction device; 8. pressing device; 9. height adjustment device; 10. sliding plate; 11. rectangular plate; 12. pillar; 13. seven-shaped column; 14. cylindrical rod; 15. screw hole plate; 16. round hole frame; 17. small motor belt; 18. rod belt; 19. threaded rod; 30. pressing plate; 31. hollow sliding block; 32. fixed block; 33. square rod; 40. sliding connecting rod; 41. tripod; 42. cylindrical stick; 43. electric push rod; 44. retracting rod; 45. five-hole insertion plate; 46. spring; 47. semicircular cube; 50. large motor belt; 51. roller group; 52. pulley belt; 61. door-shaped body. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-Figure 8As shown, the present invention is a feeding device for printing corrugated paper boxes, including a table frame 6, the interior of the table frame 6 is rotatably connected to a roller group 51, the lower surface of the table frame 6 is fixedly connected to a large motor 5, the output end of the large motor 5 is rotatably connected to a large motor belt 50, the output end of the large motor 5 is rotated by power supply, and then transmitted to the large motor belt 50, the large motor belt 50 is connected to the first roller, thereby driving the first roller to rotate, the end of the large motor belt 50 away from the large motor 5 is rotatably connected to the roller group 51, the upper surface of the table frame 6 is fixedly connected to a fixed plate 3, the surface of the table frame 6 is rotatably connected to a pulley group 4, the pulley group 4 is fixedly connected to the roller group 51, the inner wall of the pulley group 4 is rotatably connected to the pulley belt 52, the first roller rotates to drive the first pulley to rotate, the first pulley is connected to the remaining pulley groups 4 through the pulley belt 52, thereby driving the remaining pulley groups 4 to rotate, and the remaining The pulley block 4 is connected with the remaining roller block 51, thereby driving the remaining rollers to rotate. A printing device 2 is arranged on the upper surface of the table frame 6, a correction device 7 is arranged on the upper surface of the fixed plate 3, a pressing device 8 is arranged on the upper surface of the fixed plate 3, and a height adjustment device 9 is arranged on the upper surface of the fixed plate 3. A pillar 12 is fixedly connected to the upper surface of the fixed plate 3, and a seven-shaped column 13 is fixedly connected to the upper surface of the fixed plate 3. The end of the seven-shaped column 13 and the pillar 12 that is close to each other is fixedly connected to a rectangular plate 11, and a small motor 1 is fixedly connected to the upper surface of the rectangular plate 11. The rotation of the rollers will drive the corrugated cardboard box to move, thereby playing a role in conveying the corrugated cardboard box. The small motor 1 supplies power to make the output end of the small motor 1 rotate back and forth, and then transmits it to the small motor belt 17. The small motor belt 17 drives the cylindrical rod 14 to rotate back and forth. When the cylindrical rod 14 rotates, it is limited by the seven-shaped column 13 to prevent the cylindrical rod 14 from running off when it rotates.

[0033] The calibration device includes a sliding plate 10, a screw hole plate 15 is fixedly connected to the upper surface of the sliding plate 10, a small motor 1 output end is connected to a small motor belt 17, the end of the small motor belt 17 away from the small motor 1 is connected to a cylindrical rod 14, the cylindrical rod 14 is connected to the inner wall of the seven-shaped column 13, and the lower part of the cylindrical rod 14 is connected to a rod belt 18. The rotation of the cylindrical rod 14 drives the threaded rod 19 to rotate back and forth through the rod belt 18. The threaded rod 19 is limited by the door-shaped body 61 when rotating back and forth to prevent the threaded rod 19 from running off when rotating. The rod belt 18 is connected to the threaded rod 19, and the threaded rod 19 is connected to the inner wall of the screw hole plate 15. When the threaded rod 19 rotates, it drives the screw hole plate 15 on the round hole frame 16 to move closer to or away from each other. When the screw hole plate 15 moves, it is limited by the fixed plate 3 to prevent the screw hole plate 15 and the sliding plate 10 from running off when moving on the round hole frame 16. The upper surface of the fixed plate 3 is fixedly connected with the round hole frame 16, and the upper surface of the round hole frame 16 is slidably connected with the sliding plate 10. The surface of the fixed plate 3 is fixedly connected with the door-shaped body 61, and the threaded rod 19 is rotatably connected to the inner wall of the door-shaped body 61. When the roller group 51 moves the corrugated cardboard box to the calibration device, the sliding plate 10 corrects the corrugated cardboard box when they are close to each other, so as to avoid printing errors of the corrugated cardboard box at the printing device 2.

[0034] The pressing device 8 includes a pressing plate 30, the upper surface of which is hinged with a connecting square rod 33, and one end of the connecting square rod 33 away from the pressing plate 30 is hinged with a hollow sliding block 31, and the tops of the two ends of the four square rods 33 are respectively hinged with the pressing plate 30 and the hollow sliding block 31 to prevent the four square rods 33 from breaking when they approach or move away from each other, thereby playing a buffering role. The inner wall of the hollow sliding block 31 is slidably connected with a fixing block 32, and the side of the fixing block 32 away from the hollow sliding block 31 is fixedly connected to the screw hole plate 15, and the tops of the two ends of the four square rods 33 are respectively hinged with the pressing plate 30 and the hollow sliding block 31 to prevent the four square rods 33 from breaking when they approach or move away from each other, thereby playing a buffering role. When the roller group 51 moves the corrugated cardboard box to the pressing device 8, the pressing plate 30 moves downward to prevent the correction device 7 from squeezing the corrugated cardboard box when in the calibration position, thereby playing a role in protecting the flatness of the corrugated cardboard box.

[0035] The height adjustment device 9 includes a sliding connecting rod 40, the inner surface of the sliding connecting rod 40 is fixedly connected with a spring 46, the end of the spring 46 away from the sliding connecting rod 40 is fixedly connected to the screw hole plate 15, the sliding connecting rod 40 is slidably connected to the upper surface of the screw hole plate 15, the end of the sliding connecting rod 40 close to the seven-shaped column 13 is fixedly connected to a retracting rod (44), the end of the retracting rod 44 away from the fixed block 32 is fixedly connected to an electric push rod 43, the sliding connecting rod 40 and the five-hole insertion plate 45 move together, when the five-hole insertion plate 45 moves inward, the hollow sliding block 31 moves up and down on the fixed block 32 to adjust the height, the upper surface of the electric push rod 43 is fixedly connected to the tripod 41, and the electric push rod 43 pushes the two retracting rods 44 moves, which will drive the sliding connecting rod 40 to slide on the top of the screw hole plate 15, thereby driving the spring 46 to compress and expand, playing a buffering role. After the height adjustment is completed, the electric push rod 43 expands to drive the five-hole insertion plate 45 to be inserted into the hole of the fixed block 32. The top of the tripod 41 is fixedly connected to the seven-shaped column 13. The lower surface of the sliding connecting rod 40 is fixedly connected to the five-hole insertion plate 45. The five-hole insertion plate 45 is plugged into the fixed block 32. The inner wall of the sliding connecting rod 40 is slidably connected with a cylindrical stick 42. The lower surface of the cylindrical stick 42 is fixedly connected to the semi-circular cube 47. The cylindrical stick 42 plays a stabilizing role to prevent the sliding connecting rod 40 from running off when sliding. The semi-circular cube 47 is fixedly connected to the upper surface of the seven-shaped column 13.

[0036] There are two heptad columns 13, which are symmetrically arranged around the center of the cylindrical rod 14. The end of the cylindrical rod 14 passes through the heptad column 13 and extends to the outer end of the heptad column 13. There are three circular hole racks 16, which are evenly distributed on the surface of the fixed plate 3.

[0037] The rectangular plate 11 is located on the upper surface of the support 12 . There are two support pillars 12 . The two support pillars 12 are symmetrically arranged with the cylindrical rod 14 as the center. The small motor 1 is located on the top of the rectangular plate 11 .

[0038] The number of connecting square rods 33 is set to four, and the four connecting square rods 33 are located at the four corners of the top of the lower pressing plate 30, and the end of the connecting square rod 33 away from the lower pressing plate 30 is located in the middle of the end of the hollow sliding block 31 away from the fixed block 32.

[0039] The ends of the retracting rod 44 are located on the lower surface of the sliding connecting rod 40, and a hole is provided at one end of the fixed block 32 close to the five-hole insertion plate 45. The surface of the fixed block 32 is provided with five holes. The retracting rod 44 is convenient for driving the sliding connecting rod 40 to move. The height device 9 is adjusted according to the height of the corrugated box to avoid the corrugated box from being pressed down into place due to different heights, thereby achieving adaptability to a variety of corrugated boxes.

[0040] The cylindrical rod 14 is located directly above the threaded rod 19, and there are two screw hole plates 15, which are symmetrically arranged around the circular hole frame 16. When the screw hole plate 15 moves inward or outward, it will drive the sliding connecting rod 40 to slide on the cylindrical rod 42, and will also drive the retracting rod 44 to retract. There are two sliding plates 10, which are symmetrically arranged around the cylindrical rod 14, and the surface of the fixed plate 3 is in contact with the surface of the sliding plate 10.

[0041] When in use, the output end of the large motor rotates by powering up, and then transmits it to the large motor belt 50. The large motor belt 50 is connected to the first roller, thereby driving the first roller to rotate. The rotation of the first roller drives the first pulley to rotate. The first pulley is connected to the remaining pulley group 4 through the pulley belt 52, thereby driving the remaining pulley group 4 to rotate. The remaining pulley group 4 is connected to the remaining roller group 51, thereby driving the remaining rollers to rotate. The rotation of the rollers will drive the corrugated cardboard box to move, thereby playing a role in conveying the corrugated cardboard box. The small motor 1 supplies power to make the output end of the small motor 1 rotate back and forth, and then transmits it to the small motor belt 17. The small motor belt 17 drives the cylindrical rod 14 to rotate back and forth. When the cylindrical rod 14 rotates, The seven-shaped column 13 is limited to prevent the cylindrical rod 14 from running off when it rotates. The cylindrical rod 14 rotates and drives the threaded rod 19 to rotate back and forth through the rod belt 18. The threaded rod 19 is limited by the door-shaped body 61 when it rotates back and forth to prevent the threaded rod 19 from running off when it rotates. When the threaded rod 19 rotates, it drives the screw hole plate 15 to move closer to or away from each other on the round hole frame 16. When the screw hole plate 15 moves, it is limited by the fixed plate 3 to prevent the screw hole plate 15 and the sliding plate 10 from running off when they move on the round hole frame 16. The corrugated cardboard box moves to the calibration device when the roller group 51 moves, and the sliding plates 10 correct the corrugated cardboard box when they are close to each other, so as to prevent the corrugated cardboard box from printing errors at the printing device 2. The screw hole plates 15 are close to or away from each other. When moving away from each other, the four square rods 33 will be driven to move, so that the lower pressure plate 30 moves downward when approaching each other and moves upward when moving away from each other. The tops of the two ends of the four square rods 33 are respectively hinged with the lower pressure plate 30 and the hollow sliding block 31 to prevent the four square rods 33 from breaking when approaching each other and moving away from each other, thereby playing a buffering role. The corrugated cardboard box moves to the lower pressure device 8 when the roller group 51 moves, and the lower pressure plate 30 moves downward to prevent the calibration device from squeezing the corrugated cardboard box when it is in the calibration position, thereby protecting the corrugated cardboard box from being flat. The electric push rod 43 pushes the two contraction rods 44 to move, which will drive the sliding connecting rod 40 to slide on the top of the screw hole plate 15, thereby driving the spring 46 to compress and expand, thereby playing a buffering role. The connecting rod 40 moves together with the five-hole insertion plate 45. When the five-hole insertion plate 45 moves inward, the hollow sliding block 31 moves up and down on the fixed block 32 to adjust the height. After the height adjustment is completed, the electric push rod 43 expands to drive the five-hole insertion plate 45 to be inserted into the hole of the fixed block 32. When the screw hole plate 15 moves inward or outward, it will drive the sliding connecting rod 40 to slide on the cylindrical rod 42, and at the same time, it will also drive the contraction rod 44 to contract. The cylindrical rod 42 plays a stabilizing role to prevent the sliding connecting rod 40 from running off when sliding. The contraction rod 44 is convenient for driving the sliding connecting rod 40 to move. The height device 9 is adjusted according to the height of the corrugated cardboard box to prevent the corrugated cardboard box from being pressed down in place due to different heights, thereby achieving adaptability to a variety of corrugated cardboard boxes.

[0042] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A feeding device for printing corrugated paperboard, comprising a table frame (6), characterized in that: The interior of the table frame (6) is rotatably connected to a roller group (51); the lower surface of the table frame (6) is fixedly connected to a large motor (5); the output end of the large motor (5) is rotatably connected to a large motor belt (50); the end of the large motor belt (50) away from the large motor (5) is rotatably connected to the roller group (51); the upper surface of the table frame (6) is fixedly connected to a fixing plate (3); the surface of the table top (6) is rotatably connected to a pulley group (4); the pulley group (4) is fixedly connected to the roller group (51); the inner wall of the pulley group (4) is rotatably connected to a pulley belt (52); A printing device (2) is arranged on the upper surface of the table frame (6), a correction device (7) is arranged on the upper surface of the fixing plate (3), a pressing device (8) is arranged on the upper surface of the fixing plate (3), a height adjustment device (9) is arranged on the upper surface of the fixing plate (3), a pillar (12) is fixedly connected to the upper surface of the fixing plate (3), a seven-shaped pillar (13) is fixedly connected to the upper surface of the fixing plate (3), a rectangular plate (11) is fixedly connected to one end of the seven-shaped pillar (13) close to the pillar (12), and a small motor (1) is fixedly connected to the upper surface of the rectangular plate (11). The correction device (7) comprises a sliding plate (10), the upper surface of which is fixedly connected to a screw hole plate (15), the output end of the small motor (1) is drivingly connected to a small motor belt (17), the end of the small motor belt (17) away from the small motor (1) is drivingly connected to a cylindrical rod (14), the cylindrical rod (14) is rotatably connected to the inner wall of the seven-shaped column (13), the lower part of the cylindrical rod (14) is drivingly connected to a rod belt (18), the rod belt (18) is drivingly connected to a threaded rod (19), the threaded rod (19) is threadedly connected to the inner wall of the screw hole plate (15), the upper surface of the fixed plate (3) is fixedly connected to a round hole frame (16), the upper surface of the round hole frame (16) is slidably connected to the sliding plate (10), the surface of the fixed plate (3) is fixedly connected to a door-shaped body (61), and the threaded rod (19) is rotatably connected to the inner wall of the door-shaped body (61).

2. A feeding device for corrugated box printing according to claim 1, characterized in that: The pressing device (8) comprises a pressing plate (30), the upper surface of which is hingedly connected with a connecting square rod (33), the end of which away from the pressing plate (30) is hingedly connected with a hollow sliding block (31), the inner wall of which is slidingly connected with a fixed block (32), and the fixed block (32) is fixedly connected to a screw hole plate (15) on a side away from the hollow sliding block (31).

3. A feeding device for corrugated box printing according to claim 2, characterized in that: The height adjustment device (9) comprises a sliding connecting rod (40), the inner surface of the sliding connecting rod (40) is fixedly connected to a spring (46), one end of the spring (46) away from the sliding connecting rod (40) is fixedly connected to the threaded plate (15), the sliding connecting rod (40) is slidably connected to the upper surface of the screw hole plate (15), one end of the sliding connecting rod (40) close to the seven-shaped column (13) is fixedly connected to a retractable rod (44), and one end of the retractable rod (44) away from the fixed block (32) is fixedly connected to an electric push rod (43), the upper surface of the electric push rod (43) is fixedly connected to the tripod (41), the top of the tripod (41) is fixedly connected to the seven-shaped column (13), the lower surface of the sliding connecting rod (40) is fixedly connected to the five-hole insertion plate (45), the five-hole insertion plate (45) is plugged into the fixed block (32), the inner wall of the sliding connecting rod (40) is slidably connected to a cylindrical stick (42), the lower surface of the cylindrical stick (42) is fixedly connected to a semi-circular cube (47), and the semi-circular cube is fixedly connected to the upper surface of the seven-shaped column (13).

4. A feeding device for corrugated box printing according to claim 3, characterized in that: The number of the seven-shaped columns (13) is two, and the two seven-shaped columns (13) are symmetrically arranged around the center of the cylindrical rod (14). The end of the cylindrical rod (14) passes through the seven-shaped column (13) and extends to the outer end of the seven-shaped column (13). The number of the circular hole frames (16) is three, and the three circular hole frames (16) are evenly distributed on the surface of the fixing plate (3).

5. A feeding device for corrugated box printing according to claim 4, characterized in that: The rectangular plate (11) is located on the upper surface of the support (12). There are two support pillars (12) and the two support pillars (12) are symmetrically arranged with the cylindrical rod (14) as the center. The small motor (1) is located on the top of the rectangular plate (11).

6. A feeding device for corrugated box printing according to claim 5, characterized in that: The number of the connecting square rods (33) is set to four, and the four connecting square rods (33) are located at the four corners of the top of the lower pressing plate (30), and the end of the connecting square rod (33) away from the lower pressing plate (30) is located in the middle of the end of the hollow sliding block (31) away from the fixed block (32).

7. A feeding device for corrugated box printing according to claim 6, characterized in that: The ends of both ends of the retractable rod (44) are located on the lower surface of the sliding connecting rod (40), and a plug hole is provided at one end of the fixed block (32) close to the five-hole insertion plate (45), and five plug holes are provided on the surface of the fixed block (32).

8. A feeding device for corrugated box printing according to claim 7, characterized in that: The cylindrical rod (14) is located directly above the threaded rod (19); the number of the screw hole plates (15) is two, and the two screw hole plates (15) are symmetrically arranged with the circular hole frame (16) as the center; the number of the sliding plates (10) is two, and the two sliding plates (10) are symmetrically arranged with the cylindrical rod (14) as the center; the surface of the fixed plate (3) is in contact with the surface of the sliding plate (10).

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