Upper and lower printing integrated paper feeding machine

Abstract

The utility model relates to the technical field of corrugated board processing, in particular to an upper and lower printing integrated paper feeding machine which comprises a rack, a paper feeding machine body arranged on the rack, a conveying belt and a paper shifting adjusting mechanism. The paper shifting adjusting mechanism comprises a conveying structure rotationally arranged on the rack and a driving part arranged on the rack and used for driving one end of the conveying structure to swing, and the conveying structure shifts the bottom end of a corrugated board on the paper feeding machine body when swinging so as to change the direction of the corrugated board toppling on the conveying belt. Through cooperation of the paper shifting adjusting mechanism, the paper feeding machine body and the conveying belt, automatic adjustment of the orientation of the to-be-printed face of the corrugated board poured on the conveying belt is achieved, and the use process is simple and convenient.

Description

Technical Field

[0001] This application relates to the field of corrugated cardboard processing technology, and in particular to an integrated top and bottom printing paper feeding machine. Background Technology

[0002] Corrugated cardboard is widely used as the main raw material for carton production due to its high mechanical strength and ability to withstand collisions and drops during handling. In the process of producing and processing cartons, corrugated cardboard needs to be printed. In current methods, stacked corrugated cardboard is usually transported to the printing machine table manually or by conveyor belt.

[0003] The method of transporting corrugated cardboard to the printing press using a conveyor belt typically involves using a forklift to transport the entire stack of corrugated cardboard to the paper feeder. The paper feeder then transfers and dumps the entire stack onto the conveyor belt. Finally, manual adjustments are made to the stacking of the corrugated cardboard on the conveyor belt to ensure that the cardboard does not become skewed or jammed during subsequent transport. Before starting the conveyor belt, a manual inspection is required to ensure that the side of the corrugated cardboard to be printed is facing the correct direction. That is, when the corrugated cardboard is transported onto the conveyor belt, the side to be printed faces the print head of the printer, thus ensuring the subsequent printing quality.

[0004] However, in actual use, when using the above-mentioned paper feeder and conveyor belt feeding method, it is inevitable that in the whole stack of corrugated cardboard transported by the paper feeder, the side to be printed will face away from the printing head of the printer. When the worker observes this situation, it is necessary to first stop the conveyor belt and manually flip the corrugated cardboard to adjust it. Overall, it is quite inconvenient to use and there are areas that need improvement. Utility Model Content

[0005] To address the inconvenience of paving the corrugated cardboard by manually flipping it when the side to be printed faces away from the printing head, when using existing feeding methods to transport corrugated cardboard, this application provides an integrated top and bottom printing paper feeding machine.

[0006] This application provides a paper feeding machine with integrated top and bottom printing, which adopts the following technical solution:

[0007] A paper feeding machine with integrated top and bottom printing includes a frame, a paper feeding machine body mounted on the frame, a conveyor belt, and a paper feeding adjustment mechanism. The paper feeding adjustment mechanism includes a conveying structure rotatably mounted on the frame and a driving component mounted on the frame for driving one end of the conveying structure to swing. When the conveying structure swings, it pushes the bottom end of the corrugated cardboard on the paper feeding machine body to change the orientation of the corrugated cardboard as it is tilted onto the conveyor belt.

[0008] By adopting the above technical solution, when it is not necessary to adjust the orientation of the corrugated cardboard, the paper-feeding adjustment mechanism is kept in its initial state. Under the transmission action of the paper feeder body, the top of the corrugated cardboard tilts forward, so that the corrugated cardboard is tilted onto the conveyor belt with the front side facing down. When it is necessary to adjust the orientation of the corrugated cardboard, the drive component drives the conveyor structure to swing, thereby pushing the bottom of part of the corrugated cardboard on the paper feeder body forward. Under the action of gravity, the corrugated cardboard is tilted onto the conveyor belt with the front side facing up. In this way, the orientation of the corrugated cardboard to be printed can be automatically adjusted, which is simple and convenient to use.

[0009] Preferably, the conveying structure includes a mounting base that rotates on the frame, a drive roller and a driven roller that rotate on the mounting base, and a synchronous belt wound around the drive roller and the driven roller. The drive roller is coaxially and fixedly connected to the drive shaft of the conveyor belt. After the mounting base rotates, it drives the synchronous belt to abut against the bottom end of the corrugated cardboard on the paper feeder body.

[0010] By adopting the above technical solution, during use, the transmission cooperation of the drive roller, driven roller and synchronous belt ensures that the corrugated cardboard can continue to be transmitted as it is poured from the paper feeder onto the conveyor belt, thereby ensuring the stability of the corrugated cardboard conveying process.

[0011] Preferably, the mounting base is further provided with a plurality of tension rollers for ensuring that the synchronous belt is kept in a tensioned state. The plurality of tension rollers cooperate with the driving roller and the driven roller to divide the transmission side of the synchronous belt into a first conveying section, a second conveying section and a third conveying section. The first conveying section is used to move the corrugated cardboard on the paper feeder body. The second conveying section and the third conveying section cooperate to convey the corrugated cardboard to the conveyor belt.

[0012] By adopting the above technical solution, during use, the coordination of several tension rollers ensures the tensioning effect of the synchronous belt, thereby ensuring the transmission stability of the synchronous belt. On the other hand, it enables the synchronous belt to better cooperate with the paper machine body and the conveyor belt for transport.

[0013] Preferably, the frame is provided with a first guide plate and a first drive structure for driving the first guide plate to rotate. After the first guide plate rotates, it is used to block the corrugated cardboard on the conveyor belt from being driven forward by the conveyor belt.

[0014] By adopting the above technical solution, after the corrugated cardboard is poured from the paper feeder onto the conveyor belt, the first drive structure first drives the first guide plate to rotate to be perpendicular to the conveyor belt, thereby blocking the transmission of a stack of corrugated cardboard on the conveyor belt. After the end of the corrugated cardboard facing the conveying direction is leveled, the first guide plate is driven to rotate back to its original position, so that the leveled corrugated cardboard continues to be transmitted. This avoids the phenomenon that the front end of the upper part of the stack of corrugated cardboard bulges out in a stack of corrugated cardboard poured onto the conveyor belt.

[0015] Preferably, the frame is further provided with a gantry frame, the gantry frame is provided with a second guide plate and an adjustment component for adjusting the inclination of the second guide plate, the second guide plate is located above the conveyor belt, and a transmission space for the corrugated cardboard to be conveyed is formed between the second guide plate and the conveyor belt, the second guide plate is inclined in the transmission direction of the conveyor belt.

[0016] By adopting the above technical solution, during use, the tilt angle of the second cardboard can be adjusted by adjusting the component, thereby adjusting the height of the transmission space. This prevents the upper part of the corrugated cardboard from being conveyed forward when a stack of corrugated cardboard is too high, ensuring that the stack of corrugated cardboard on the conveyor belt is not too high, thus ensuring the quality of subsequent corrugated cardboard conveying.

[0017] Preferably, the adjustment assembly includes a connecting rod that rotates on the gantry frame, a fixed support plate that is fixed on the gantry frame, and a drive electric cylinder mounted on the fixed support plate. One end of the connecting rod is fixedly connected to the second guide plate, and the drive electric cylinder is used to drive the other end of the connecting rod to swing.

[0018] By adopting the above technical solution, when in use, the connecting rod is driven to swing by the electric cylinder, thereby driving the second cardboard to rotate, and the adjustment process is simple and convenient.

[0019] Preferably, a guide plate is inclined at one end of the second guide plate toward the conveyor belt, the guide plate is inclined toward the transmission direction of the conveyor belt, and a folding plate is fixed at the end of the guide plate away from the second guide plate.

[0020] By adopting the above technical solution, during use, the guide plate and the folding plate work together to guide the part of the corrugated cardboard that exceeds the height of the transmission space to move backward during the transmission of the corrugated cardboard on the conveyor belt. This reduces the possibility of the corrugated cardboard getting stuck in the transmission space and causing transmission failure, thus ensuring the transmission stability of the corrugated cardboard.

[0021] Preferably, the connection between the folding plate and the guide plate is provided with a rounded chamfer.

[0022] By adopting the above technical solution, the rounded chamfers prevent scratching of the corrugated cardboard surface at the connection between the folding plate and the guide plate during the transmission process, thus ensuring the quality of transmission.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. If the orientation of the corrugated cardboard does not need to be adjusted, the paper-feeding adjustment mechanism remains in its initial state. Under the transmission action of the paper feeder body, the top of the corrugated cardboard tilts forward, so that the corrugated cardboard is tilted onto the conveyor belt with the front side facing down. When the orientation of the corrugated cardboard needs to be adjusted, the conveyor structure is oscillated by the drive component, so that the bottom of part of the corrugated cardboard on the paper feeder body is pushed forward. Under the action of gravity, the corrugated cardboard is tilted onto the conveyor belt with the front side facing up. This can realize the automatic adjustment of the orientation of the corrugated cardboard to be printed, which is simple and convenient to use.

[0025] 2. After the corrugated cardboard is poured from the paper feeder onto the conveyor belt, the first guide plate and the first drive structure work together to achieve the initial sorting of the corrugated cardboard, so as to ensure the quality of subsequent conveying.

[0026] 3. By coordinating the second board section, the adjusting components, and the guide plate, the stability of the corrugated board conveying is ensured while preventing excessive stacking height of the corrugated board on the conveyor belt, which would affect the subsequent corrugated board finishing. Attached Figure Description

[0027] Figure 1 This is an isometric schematic diagram of the main overall structure in the embodiments of this application;

[0028] Figure 2 This embodiment of the application mainly presents an isometric schematic diagram of the paper feeder body structure;

[0029] Figure 3 This is an isometric schematic diagram of the paper-feeding adjustment mechanism, which is the main feature of the embodiments of this application.

[0030] Figure 4 This is a schematic diagram illustrating the paper-pulling state in the embodiments of this application;

[0031] Figure 5 This is a schematic diagram illustrating the structure of the first cardboard section in the embodiments of this application;

[0032] Figure 6 This is an isometric schematic diagram of the second section of the cardboard structure, which is the main feature of this application embodiment;

[0033] Figure 7 This is an isometric schematic diagram of the main adjustment component structure in the embodiments of this application.

[0034] Reference numerals: 1. Frame; 2. Paper feeder body; 21. Turning plate; 22. First electric cylinder; 23. Fixed base; 24. Second electric cylinder; 25. Conveyor belt; 26. Push rod; 27. Clearance cavity; 3. Conveyor belt; 4. Paper feeding adjustment mechanism; 41. Conveying structure; 411. Mounting base; 412. Drive roller; 413. Driven roller; 414. Synchronous belt; 4141. First conveying section; 4142. Second conveying section; 4143. Third conveying section; 415. Tension roller; 42. Drive component; 5. First guide plate; 6. First drive structure; 7. Gantry frame; 8. Second guide plate; 81. Guide slant plate; 82. Folding plate; 83. Rounded chamfer; 9. Adjustment assembly; 91. Connecting rod; 92. Fixed support plate; 93. Drive electric cylinder. Detailed Implementation

[0035] The following is in conjunction with the appendix Figure 1 -Appendix Figure 7 This application will be described in further detail.

[0036] This application discloses an integrated top and bottom printing paper feeding machine.

[0037] Reference Figure 1 A paper feeding machine with integrated top and bottom printing includes a frame 1, a paper feeding machine body 2, a conveyor belt 3, and a paper adjusting mechanism 4. The frame 1 is placed horizontally on the ground, the paper feeding machine body 2 is installed at the right end of the frame 1, the conveyor belt 3 is located on the left side of the paper feeding machine body 2, and the paper adjusting mechanism 4 is located between the paper feeding machine body 2 and the conveyor belt 3. In use, the operator uses a forklift to transport a stack of corrugated cardboard onto the paper feeding machine body 2, and then the paper feeding machine body 2 transports the entire stack of corrugated cardboard to the conveyor belt 3 in batches. During the transport process, the orientation of the corrugated cardboard to be printed can be adjusted by the paper adjusting mechanism 4.

[0038] Reference Figure 1 and Figure 2The paper feeding machine body 2 includes a rotating plate 21 rotatably connected to the frame 1, a first electric cylinder 22 mounted on the frame 1, a fixed seat 23 rotatably mounted on the rotating plate 21, a second electric cylinder 24 mounted on the rotating plate 21, a conveyor belt 25 mounted on the fixed seat 23, and a push rod 26 mounted on the conveyor belt 25. The cylinder body of the first electric cylinder 22 is hinged to the frame 1, and the piston rod of the first electric cylinder 22 is rotatably connected to the rotating plate 21. The cylinder body of the second electric cylinder 24 is hinged to the rotating plate 21, and the piston rod of the second electric cylinder 24 is rotatably connected to the fixed seat 23. In this application, several sets of conveyor belts 25 are provided, and the several sets of conveyor belts 25 are evenly spaced along the width direction of the fixed seat 23. An avoidance cavity 27 is formed at the end of two adjacent sets of conveyor belts 25 near the conveyor belt 3. A paper-feeding adjustment mechanism 4 is correspondingly provided in each avoidance cavity 27, and one end of the paper-feeding adjustment mechanism 4 can be rotated into the avoidance cavity 27. The push rod 26 moves with the transmission of the upper surface of the conveyor belt 25.

[0039] Reference Figure 1 and Figure 2 In operation, when feeding material to the paper machine body 2, the conveyor belt 25 is in a vertical position and the push rod 26 is in a horizontal position. At this time, the operator can use a forklift to place a stack of corrugated cardboard onto the push rod 26. When the corrugated cardboard on the push rod 26 is stacked to a certain height, the fixed seat 23 can be gradually rotated by the cooperation of the first electric cylinder 22 and the second electric cylinder 24, which will drive the conveyor belt 25 to tilt until the end of the conveyor belt 25 near the conveyor belt 3 tilts to cooperate with the paper feeding adjustment mechanism 4. Then the rotation of the fixed seat 23 can be stopped, and the conveyor belt 25 will then drive the paper machine body 26 to tilt. Move push rod 26, and through the combined action of push rod 26 and conveyor belt 25, gradually move the corrugated cardboard upwards and closer to conveyor belt 3 until the topmost corrugated cardboard is conveyed to the top of conveyor belt 25. Continue conveying the corrugated cardboard, and under the action of gravity, the topmost corrugated cardboard tilts towards conveyor belt 3 until the front of the corrugated cardboard is tilted onto conveyor belt 3, thus completing the feeding. After all the corrugated cardboard on conveyor belt 25 has tilted onto conveyor belt 3, the fixed seat 23 can be controlled to return to its original position, and the above steps can be repeated for re-feeding.

[0040] Reference Figure 1 and Figure 3The paper-feeding adjustment mechanism 4 includes a conveying structure 41 and a driving component 42. The conveying structure 41 consists of a mounting base 411, a drive roller 412, a driven roller 413, and a synchronous belt 414. The mounting base 411 is rotatably mounted on the frame 1. The drive roller 412 and the driven roller 413 are both rotatably connected to the mounting base 411. The synchronous belt 414 is wound around the drive roller 412 and the driven roller 413. In this application, the drive roller 412 is coaxially fixedly connected to the drive shaft of the conveyor belt 3. That is, when the drive shaft of the conveyor belt 3 rotates, it drives the conveyor belt 3 and the synchronous belt 414 to drive synchronously. The driving component 42 is used to drive the mounting base 411 to swing around the drive axis of the conveyor belt 3. In this embodiment, the driving component 42 is preferably an electric cylinder. The piston rod of the electric cylinder is hinged to the mounting base 411, and the cylinder body of the electric cylinder is rotatably connected to the frame 1.

[0041] Reference Figure 3 and Figure 4 When it is necessary to adjust the orientation of the corrugated cardboard to be printed, the drive unit 42 can drive the mounting base 411 to swing, thereby moving one end of the synchronous belt 414 upward to the bottom end of the corrugated cardboard on the paper feeder body 2. Continuing to drive the synchronous belt 414 upward, the bottom end of the corrugated cardboard can be pushed towards the conveyor belt 3. Subsequently, under the transmission action of the synchronous belt 414 and the action of gravity, the corrugated cardboard tilts onto the conveyor belt 3 with its front facing upward. This can achieve the adjustment of the corrugated cardboard to be printed. Compared with the manual flipping adjustment method in the prior art, it is simpler and more convenient to use.

[0042] Reference Figure 3 and Figure 4 To ensure the transmission stability of the synchronous belt 414, several tension rollers 415 are rotatably connected to the mounting base 411. The tension rollers 415 are used to ensure that the synchronous belt 414 is always kept taut. The tension rollers 415 divide the upper surface of the synchronous belt 414 into a first conveying section 4141, a second conveying section 4142, and a third conveying section 4143. After the synchronous belt 414 rotates, the first conveying section 4141 is used to abut against the bottom end of the corrugated cardboard. The second conveying section 4142 and the third conveying section 4143 cooperate to convey the corrugated cardboard conveyed by the first conveying section 4141 to the conveyor belt 3. Before the synchronous belt 414 rotates, the second conveying section 4142 can cooperate with the conveyor belt 25 to convey the corrugated cardboard on the paper feeder body 2 to the conveyor belt 3.

[0043] Reference Figure 1 and Figure 5In this application, several sets of conveyor belts 3 are provided, and the several sets of conveyor belts 3 are evenly distributed on the frame 1. A first baffle 5 is provided between two adjacent conveyor belts 3. The first baffle 5 is initially lower than the upper surface of the conveyor belt 3. A first drive structure 6 is provided on the frame 1. The first drive structure 6 is used to drive the first baffle 5 to rotate to be perpendicular to the upper surface of the conveyor belt 3. After the first baffle 5 rotates, it can be used to block the corrugated cardboard on the conveyor belt 3 from continuing to be transmitted. In this embodiment, the first drive structure 6 includes a linkage shaft and a rotary electric cylinder. One end of several first baffles 5 is fixed on the linkage shaft. The rotary electric cylinder is used to drive the linkage shaft to rotate. That is, by setting the linkage shaft, the purpose of driving multiple first baffles 5 to rotate synchronously by the rotary electric cylinder is achieved.

[0044] Reference Figure 1 and Figure 5 During use, as the corrugated cardboard on the paper feeder body 2 tilts onto the conveyor belt 3, it is inevitable that the front end of the upper corrugated cardboard will protrude beyond the lower corrugated cardboard. In this state, the first baffle 5, in conjunction with the conveying inertia of the conveyor belt 3, can block the protruding corrugated cardboard, while the lower corrugated cardboard continues to be conveyed until the front end of the stacked corrugated cardboard is flat. Then, the first drive structure 6 can drive the first baffle 5 to rotate 90 degrees to return to its initial state, thereby ensuring that the corrugated cardboard continues to be conveyed.

[0045] Reference Figure 1 and Figure 6 A gantry frame 7 is also provided on the frame 1. A second baffle 8 and an adjusting component 9 are provided on the gantry frame 7. The second baffle 8 is located directly above the conveyor belt 3, and a transmission space is formed between the bottom end of the second baffle 8 and the conveyor belt 3. The transmission space allows a stack of corrugated cardboard on the conveyor belt 3 to pass through. The adjusting component 9 is used to adjust the tilt angle of the second baffle 8. In this application, the second baffle 8 is tilted towards the transmission direction of the conveyor belt 3. In use, by using the tilted second baffle 8, when the height of the conveyed corrugated cardboard is greater than the height of the transmission space, the excess corrugated cardboard is guided to move backward to ensure that the height of the corrugated cardboard passing through the transmission space is not too high, thereby ensuring the subsequent sorting operation of the corrugated cardboard.

[0046] Reference Figure 6 and Figure 7The adjusting assembly 9 includes a connecting rod 91, a fixed support plate 92, and a drive cylinder 93. The connecting rod 91 rotates on the gantry frame 7, and its bottom end is welded and fixed to the second guide plate 8. The fixed support plate 92 is fixed to the gantry frame 7 by bolts. The cylinder end of the drive cylinder 93 is hinged to the fixed support plate 92, and the piston rod end of the drive cylinder 93 is rotatably connected to the top end of the connecting rod 91. In use, the extension and retraction of the piston rod of the drive cylinder 93 can drive the connecting rod 91 to swing, thereby adjusting the tilt angle of the second guide plate 8 and thus adjusting the height of the transmission space. It is simple and convenient to use.

[0047] Reference Figure 6 and Figure 7 Furthermore, a guide plate 81 is integrally formed at the bottom end of the second cardboard block 8. The guide plate 81 is inclined towards the transmission direction of the conveyor belt 3, and a folding plate 82 is integrally formed at the end of the guide plate 81 away from the second cardboard block 8. A rounded chamfer 83 is formed at the connection between the folding plate 82 and the guide plate 81. In use, the guide plate 81 and the folding plate 82 work together to guide the corrugated cardboard as it passes through the transmission space, preventing paper jams. That is, when the height of the corrugated cardboard is exactly the same as the height of the transmission space, the corrugated cardboard is stuck between the bottom end of the conveyor belt 3 and the second cardboard block 8. The rounded chamfer 83 prevents the bottom end of the guide plate 81 from scratching the corrugated cardboard, thus ensuring the conveying quality of the corrugated cardboard.

[0048] The implementation principle of this application embodiment is as follows: During use, the operator controls a forklift to stack several stacks of corrugated cardboard onto the push rod 26 of the paper feeder body 2. Then, through the cooperation of the first electric cylinder 22, the second electric cylinder 24, and the conveyor belt 25, the corrugated cardboard is pushed as a whole to near the paper adjustment mechanism 4 and then the conveying is paused. At this time, if it is not necessary to adjust the orientation of the printed surface on the corrugated cardboard, the first electric cylinder 22 and the second electric cylinder 24 are used to tilt the conveyor belt 25 so that the bottom of the conveyor belt 25 is slightly higher than the horizontal state. Under the action of gravity, the top of the corrugated cardboard on the conveyor belt 25 tilts towards the conveyor belt 3 until it falls onto the conveyor belt 3. Then, under the joint action of the conveyor belt 3 and the synchronous belt 414, the corrugated cardboard is transferred from the paper feeder body 2 to the conveyor belt 3. If it is necessary to adjust the orientation of the printed surface on the corrugated cardboard, when the corrugated cardboard on the conveyor belt 25 moves above the clearance cavity 27, the paper adjustment mechanism 4 can be activated, thereby facilitating the transfer of the corrugated cardboard through the synchronous belt 414. The first conveyor section 4141 swings, pushing the bottom of some corrugated cardboard towards the conveyor belt 3, causing some corrugated cardboard to tilt onto the conveyor belt 3 with its face up. Then, under the combined action of the conveyor belt 3 and the synchronous belt 414, the tilted corrugated cardboard is completely moved onto the conveyor belt 3. Subsequently, the conveyor belt 25 drives the corrugated cardboard to continue moving upward, and the paper-adjusting mechanism 4 repeatedly moves to perform subsequent feeding. When the corrugated cardboard is conveyed onto the conveyor belt 3, the first guide plate 5 is in a vertical state. At this time, the corrugated cardboard stacked together on the conveyor belt 3 can be sorted. After sorting, the first guide plate 5 rotates to a horizontal state, and the corrugated cardboard moves forward away from the first guide plate 5. Then, the first guide plate 5 rotates back to a vertical state, thereby sorting the subsequent corrugated cardboard. When the corrugated cardboard moves close to the second guide plate 8, the second guide plate 8 and the guide plate 81 can cooperate to sort the corrugated cardboard a second time, preventing the corrugated cardboard from being stacked too high and affecting subsequent conveying.

[0049] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A top and bottom integrated sheet feeder, characterized by: The device includes a frame (1), a paper feeder body (2) mounted on the frame (1), a conveyor belt (3), and a paper adjustment mechanism (4). The paper adjustment mechanism (4) includes a conveyor structure (41) rotatably mounted on the frame (1) and a drive member (42) mounted on the frame (1) for driving one end of the conveyor structure (41) to swing. When the conveyor structure (41) swings, it pushes the bottom end of the corrugated cardboard on the paper feeder body (2) to change the orientation of the corrugated cardboard as it is tilted onto the conveyor belt (3).

2. The integrated top and bottom impression paper feeding machine according to claim 1, characterized in that: The conveying structure (41) includes a mounting base (411) that rotates on the frame (1), a drive roller (412) and a driven roller (413) that rotate on the mounting base (411), and a synchronous belt (414) that is wound around the drive roller (412) and the driven roller (413). The drive roller (412) is coaxially and fixedly connected to the drive shaft of the conveyor belt (3). After the mounting base (411) rotates, it drives the synchronous belt (414) to abut against the bottom end of the corrugated cardboard on the paper feeder body (2).

3. The integrated top and bottom feeding paper machine according to claim 2, characterized in that: The mounting base (411) is also provided with a plurality of tension rollers (415) for ensuring that the synchronous belt (414) is kept in a tensioned state. The plurality of tension rollers (415) cooperate with the drive roller (412) and the driven roller (413) to divide the drive side of the synchronous belt (414) into a first conveying section (4141), a second conveying section (4142) and a third conveying section (4143). The first conveying section (4141) is used to move the corrugated cardboard on the paper feeder body (2). The second conveying section (4142) and the third conveying section (4143) cooperate to convey the corrugated cardboard to the conveyor belt (3).

4. The integrated top and bottom impression paper feeding machine according to claim 1, characterized in that: The frame (1) is provided with a first baffle (5) and a first drive structure (6) for driving the first baffle (5) to rotate. After the first baffle (5) rotates, it is used to block the corrugated cardboard on the conveyor belt (3) from being driven forward with the conveyor belt (3).

5. The integrated top and bottom impression paper feeding machine according to claim 1, characterized in that: The frame (1) is also provided with a gantry frame (7), and the gantry frame (7) is provided with a second guide plate (8) and an adjustment component (9) for adjusting the inclination of the second guide plate (8). The second guide plate (8) is located above the conveyor belt (3), and a transmission space for corrugated cardboard to be conveyed is formed between the second guide plate (8) and the conveyor belt (3). The second guide plate (8) is inclined in the transmission direction of the conveyor belt (3).

6. The integrated top and bottom impression paper feeding machine according to claim 5, characterized in that: The adjustment assembly (9) includes a connecting rod (91) that rotates on the gantry (7), a fixed support plate (92) fixed on the gantry (7), and a drive cylinder (93) installed on the fixed support plate (92). One end of the connecting rod (91) is fixedly connected to the second baffle plate (8), and the drive cylinder (93) is used to drive the other end of the connecting rod (91) to swing.

7. The integrated top and bottom impression paper feeding machine according to claim 5, characterized in that: The second guide plate (8) is inclined with a guide plate (81) at one end facing the conveyor belt (3). The guide plate (81) is inclined in the direction of transmission of the conveyor belt (3). A folding plate (82) is fixed at the end of the guide plate (81) away from the second guide plate (8).

8. The integrated top and bottom impression paper feeding machine according to claim 7, characterized in that: The connection between the folding plate (82) and the guide plate (81) is provided with a rounded chamfer (83).

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