A conveying and guiding device for a folding machine

Abstract

This invention discloses a conveying and guiding device for a folding machine, relating to the field of printing and packaging machinery technology. This conveying and guiding device for a folding machine, through a hydraulic pump and hydraulic rod, allows for flexible adjustment of the operating height of the lifting platform, adapting to folding paper stacks of different heights. Utilizing the telescopic structure of the telescopic head and telescopic rod, it ensures that the front correction plate always adheres to the upper surface of the lifting platform, maintaining a stable and reliable reference position. Anti-slip pads on the front correction plate then clamp and correct the paper stack from both sides, completing the initial centering positioning. Simultaneously, a rear correction plate performs secondary conveying and correction. The rolling rod is driven by an external power source, providing sufficient conveying power and a stable conveying rhythm, ensuring smooth and slip-free paper transport. By utilizing the forward-feeding of the conveyor wheels and the reverse rotation of the separating wheels to create a speed difference, it can quickly separate adhered and stacked papers, preventing the simultaneous transport of multiple sheets of paper from the source.

Description

Technical Field

[0001] This invention relates to the field of printing and packaging machinery and equipment technology, and in particular to a conveying and guiding device for a folding machine. Background Technology

[0002] In the printing and binding industry, folding machines are the core equipment for folding paper products such as book inner pages and brochures. The conveying and guiding device directly determines the centering accuracy and conveying stability of the paper, and is a key component to ensure the neatness of the folded products. The stacking height of the folding paper used in production varies, and the paper of book inner pages is relatively soft and prone to positional deviation. Therefore, the height adaptability and centering and correction capabilities of the folding machine's conveying and guiding device are subject to high requirements.

[0003] Currently, traditional folding machine conveyor guiding devices on the market have many obvious defects. Most of them lack a flexible height adjustment structure and cannot quickly adapt to the actual stacking height of the paper pile on site. They can only be used for paper piles of fixed specifications, resulting in poor equipment versatility. Traditional pre-correction structures lack an adaptive telescopic cooperation structure, and the correction plate cannot stably fit the upper surface of the conveyor table. During operation, it is easy to experience suspension and deviation. The correction benchmark is unstable, making it difficult to accurately center and position the paper pile. Most of them only have a single pre-correction structure. After the paper has completed the initial correction, it is very easy for it to deviate or skew again during subsequent conveying, lacking a secondary precise correction structure for correction. Summary of the Invention

[0004] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a conveying and guiding device for a folding machine that can solve the above problems.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a conveying and guiding device for a folding machine, comprising a fixed frame, a hydraulic pump fixedly connected to the bottom of the fixed frame, a hydraulic rod fixedly connected to the output end of the hydraulic pump, and a lifting platform fixedly connected to the hydraulic rod;

[0006] A first mounting bracket is fixedly connected to the fixed frame. A motor is fixedly connected to one side of the first mounting bracket. A lead screw is fixedly connected to the output end of the motor. The lead screw passes through the first mounting bracket. Two telescopic heads are threaded onto the lead screw. A telescopic rod is slidably connected to the bottom of each telescopic head. A front correction plate is fixedly connected to each telescopic rod.

[0007] A rolling rod is rotatably connected to the fixed frame, and the rolling rod is driven to rotate by an external power device.

[0008] A second mounting bracket is fixedly connected to the fixed frame. The second mounting bracket is located above the rolling rod. A motor is fixedly connected to one side of the second mounting bracket. The output end of the motor is fixedly connected to the same lead screw. The lead screw passes through the second mounting bracket. Two rear correction plates are threadedly connected to the lead screw.

[0009] A conveyor frame is fixedly connected to one side of the first mounting frame, and an identical motor is fixedly connected to one side of the conveyor frame. A conveyor wheel is fixedly connected to the output end of the motor.

[0010] The second mounting bracket has a fixed motor in the middle, and the output end of the motor is fixedly connected to a piecing wheel. The piecing wheel rotates in the opposite direction to the conveying wheel.

[0011] Preferably, the bottom of the front correction plate is attached to the upper surface of the lifting platform.

[0012] Preferably, the front correction plate is fixedly connected with an anti-slip pad.

[0013] Preferably, a transition guide seat is fixedly connected to one end of the lifting platform.

[0014] Preferably, guide side plates are fixedly connected to both sides of the fixed frame, and the guide side plates are located on both sides of the transition guide seat.

[0015] Preferably, the rolling rod is fitted with an anti-slip sleeve.

[0016] Preferably, each of the rear correction plates is fixedly connected to a limiting head at its bottom, and the end of the limiting head is a semi-arc frame structure and is sleeved on the rolling rod.

[0017] Preferably, all lead screws are bidirectional ball screws, with two telescopic heads adapted to the positive and negative thread sections of the lead screw, respectively.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. This folding machine uses a conveying and guiding device. Through a hydraulic pump and hydraulic rod, the operating height of the lifting platform can be flexibly adjusted to accommodate folding paper stacks of different heights. With the help of the telescopic structure of the telescopic head and telescopic rod, it can ensure that the front correction plate is always in contact with the upper surface of the lifting platform, and the reference position is stable and reliable. Then, the anti-slip pads on the front correction plate clamp and correct the paper stack from both sides to complete the initial centering and positioning. At the same time, it is used in conjunction with the rear correction plate for secondary conveying and correction. The limiting head is sleeved on the actively rotating rolling rod, which can effectively limit the deviation of the correction plate. It comprehensively solves the problems of paper feeding skew and conveying deviation, with higher correction accuracy and wider application range.

[0020] 2. This folding machine uses a conveyor guide device. The rolling rod is driven by an external power source, providing sufficient conveying power and a stable conveying rhythm, ensuring smooth and slip-free paper conveying. By utilizing the forward feeding of the conveyor wheel and the reverse rotation of the separating wheel to create a speed difference, it can quickly separate stuck and stacked papers, preventing the simultaneous conveying of multiple sheets of paper from the source. In addition, the transition guide seat and the guide side plate straighten the conveying route, greatly reducing production failures such as paper jams and folding misalignment, effectively improving the overall efficiency of folding processing and the quality of finished products. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0022] Figure 1 This is an isometric schematic diagram of a conveying and guiding device for a folding machine according to the present invention;

[0023] Figure 2 This is a top view schematic diagram of a conveying and guiding device for a folding machine according to the present invention;

[0024] Figure 3 This is a front sectional view of a conveying and guiding device for a folding machine according to the present invention;

[0025] Figure 4 This is a right-side sectional view of a conveying and guiding device for a folding machine according to the present invention;

[0026] Figure 5 This is a left-side schematic diagram of a conveying and guiding device for a folding machine according to the present invention;

[0027] Figure 6 This is a right-side schematic diagram of a conveying and guiding device for a folding machine according to the present invention;

[0028] Figure 7 This is a front view schematic diagram of a conveying and guiding device for a folding machine according to the present invention;

[0029] Figure 8 This is a bottom view schematic diagram of a conveying and guiding device for a folding machine according to the present invention.

[0030] Reference numerals: 1. Fixed frame; 2. Hydraulic pump; 3. Hydraulic rod; 4. Lifting platform; 5. First mounting frame; 6. Motor; 7. Lead screw; 8. Telescopic head; 9. Telescopic rod; 10. Front correction plate; 11. Anti-slip pad; 12. Transition guide seat; 13. Guide side plate; 14. Rolling rod; 15. Anti-slip sleeve; 16. Second mounting frame; 17. Rear correction plate; 18. Limiting head; 19. Conveyor frame; 20. Conveyor wheel; 21. Pager wheel. Detailed Implementation

[0031] This section will describe in detail specific embodiments of the present invention. Preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but they should not be construed as limiting the scope of protection of the present invention.

[0032] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0033] In the description of this invention, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0034] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0035] Please see Figure 1-8 The present invention provides a technical solution: a conveying and guiding device for a folding machine, including a fixed frame 1, a hydraulic pump 2 fixedly connected to the bottom of the fixed frame 1, a hydraulic rod 3 fixedly connected to the output end of the hydraulic pump 2, a lifting platform 4 fixedly connected to the hydraulic rod 3, and the lifting platform 4 can control the lifting height with the help of the hydraulic rod 3 and the hydraulic pump 2 to adapt to the actual stacking height of the folding paper stack;

[0036] A first mounting frame 5 is fixedly connected to the fixed frame 1. A motor 6 is fixedly connected to one side of the first mounting frame 5. A lead screw 7 is fixedly connected to the output end of the motor 6. The lead screw 7 passes through the first mounting frame 5. Two telescopic heads 8 are threadedly connected to the lead screw 7. A telescopic rod 9 is slidably connected to the bottom of each telescopic head 8. A front correction plate 10 is fixedly connected to each telescopic rod 9. An anti-slip pad 11 is fixedly connected to the front correction plate 10. The telescopic heads 8 and telescopic rods 9 are designed to be telescopic and can be used with the lifting platform 4 to ensure that the bottom of the front correction plate 10 is always in contact with the lifting platform 4. The two front correction plates 10 move towards each other on the lead screw 7 to correct the stack of folded paper to the center position of the equipment.

[0037] One end of the lifting platform 4 is fixedly connected to a transition guide seat 12. Both sides of the fixed frame 1 are fixedly connected to flow guide side plates 13. The flow guide side plates 13 are arranged on both sides of the transition guide seat 12. A rolling rod 14 is rotatably connected to the fixed frame 1. The outer side of the rolling rod 14 is covered with an anti-slip sleeve 15. A second mounting frame 16 is fixedly connected to the fixed frame 1. The second mounting frame 16 is located above the rolling rod 14. A motor 6 is also fixedly connected to one side of the second mounting frame 16. The output end of the motor 6 is fixedly connected to a lead screw 7. The lead screw 7 passes through the inside of the second mounting frame 16. Two rear correction plates 17 are threadedly connected to the lead screw 7. The bottom of each rear correction plate 17 is fixedly connected to a limit head 18. The end of the limit head 18 is a semi-arc frame structure and is movably sleeved on the outside of the rolling rod 14, which can prevent the rear correction plate 17 from shifting during operation.

[0038] A conveyor frame 19 is fixedly connected to one side of the first mounting frame 5, and a motor 6 is also fixedly connected to one side of the conveyor frame 19. A conveyor wheel 20 is fixedly connected to the output end of the motor 6. The conveyor wheel 20 can smoothly convey the paper at the top of the paper stack to the top of the transition guide seat 12. A motor 6 is fixedly installed in the middle of the second mounting frame 16. A page separating wheel 21 is fixedly connected to the output end of the motor 6. The page separating wheel 21 can separate the excess paper that is stuck and stacked during the conveying process, and the rotation direction of the page separating wheel 21 is opposite to the rotation direction of the conveyor wheel 20.

[0039] Working principle: The fixed frame 1 serves as the core installation and load-bearing foundation of the entire machine, providing stable support for all functional components and ensuring the structural stability of the equipment during operation. According to the actual stacking height of the folded paper stack, the hydraulic pump 2 drives the hydraulic rod 3 to extend and retract, thereby adjusting the lifting platform 4 up and down to the appropriate height. At the same time, the telescopic design of the telescopic head 8 and the telescopic rod 9 forms an adaptive adjustment, ensuring that the bottom of the front correction plate 10 is always in contact with the upper surface of the lifting platform 4. No matter how the height of the lifting platform 4 changes, the reference position of the correction plate can be maintained stably, providing a reliable foundation for subsequent centering correction.

[0040] After the paper stack is placed on the lifting platform 4, the motor 6 on the first mounting frame 5 starts and drives the lead screw 7 to rotate. Since the two telescopic heads 8 are threadedly connected to the lead screw 7, the rotational motion of the lead screw 7 is converted into the telescopic heads 8 moving in opposite directions along the lead screw 7. Then, through the telescopic rod 9, the two front correction plates 10 move towards the paper stack synchronously. At this time, the anti-slip pads 11 on the front correction plates 10 directly contact the two sides of the paper stack, which not only prevents the paper from being scratched or shifted due to compression, but also accurately corrects the paper stack to the center position of the equipment through the frictional resistance of the anti-slip pads 11 and the clamping force of the correction plates, thus solving the problem of paper feeding skew from the source.

[0041] After the paper stack is centered, the motor 6 on the conveyor frame 19 drives the conveyor wheel 20 to rotate. The conveyor wheel 20 contacts the paper at the top of the paper stack and smoothly conveys the single sheet of paper to the top of the transition guide seat 12 through friction. The guide side plates 13 on both sides of the transition guide seat 12 form a directional conveying channel to guide the paper to move along the preset trajectory. The rolling rod 14 on the fixed frame 1 rotates with the paper conveying under the drive of the external power connection. The anti-slip sleeve 15 on its outer side increases the frictional resistance with the paper to avoid slippage and deviation during the paper conveying process and ensure the smoothness of the conveying.

[0042] To further improve positioning accuracy, the motor 6 on the second mounting frame 16 starts synchronously, driving the corresponding lead screw 7 to rotate, which in turn drives the two rear correction plates 17 to move in opposite directions along the lead screw 7. The limiting head 18 at the bottom of the rear correction plate 17 is a semi-arc frame structure, which is movably sleeved on the outside of the rolling rod 14. This not only restricts the movement trajectory of the rear correction plate 17 to prevent it from deviating during operation, but also does not affect the normal rotation of the rolling rod 14. The rear correction plate 17 performs secondary correction for slight deviations that may occur during the conveying process by precisely adjusting the spacing, ensuring that the paper is always kept in the center position before entering the subsequent folding process.

[0043] To address the issue of paper easily sticking and stacking during the feeding process, the motor 6 in the middle of the second mounting frame 16 drives the paging wheel 21 to rotate, and the rotation direction of the paging wheel 21 is opposite to that of the conveying wheel 20. When multiple sheets of paper stick together and pass under the paging wheel 21, the paging wheel 21 uses the separating force generated by the reverse rotation to peel off the excess paper stacked on top, allowing only a single sheet of paper to continue to be fed forward. This effectively avoids folding misalignment, paper jams, and other malfunctions caused by multiple sheets sticking together, ensuring the continuity and stability of subsequent processing.

[0044] Structural Description:

[0045] Fixed frame 1: As the core installation and load-bearing foundation of the whole machine, it is used to fix and support all functional components such as hydraulic pump 2, first mounting frame 5, flow guide side plate 13, and second mounting frame 16, providing a stable installation benchmark for each component, ensuring the structural stability of the equipment during operation, avoiding vibration causing component displacement, and ensuring conveying and guiding accuracy;

[0046] Hydraulic pump 2: Fixedly connected to the bottom of the fixed frame 1, used to drive the hydraulic rod 3 to perform telescopic movement, providing stable lifting power for the lifting platform 4. It can be flexibly adjusted according to the actual stacking height of the folded paper stack, adapting to the processing needs of different specifications of paper stacks and improving the versatility of the equipment.

[0047] Hydraulic rod 3: It is fixedly connected between the output end of hydraulic pump 2 and lifting platform 4. It is used to transmit the power of hydraulic pump 2 and drive lifting platform 4 to rise and fall. The extension stroke is precise and controllable, and the lifting is smooth. It can ensure that lifting platform 4 remains stable after being adjusted to the appropriate height, and avoids shaking after the paper is stacked.

[0048] Lifting platform 4: It is fixedly connected to the hydraulic rod 3 and is used to place the stack of folded paper. One end is fixedly connected to the transition guide seat 12. It can be lifted to adapt to paper stacks of different heights, so that the top of the paper stack is always in the best conveying position of the conveying wheel 20. At the same time, it provides a stable fitting reference for the front correction plate 10 and ensures the centering correction effect.

[0049] First mounting bracket 5: It is fixedly connected to the fixed frame 1, used to fix the motor 6, support the lead screw 7, and connect the conveyor frame 19. It provides an integrated mounting carrier for the front correction mechanism and the conveying mechanism, organizes the component layout, ensures the connection stability of the motor 6, lead screw 7 and conveyor frame 19, and ensures smooth power transmission.

[0050] Motor 6: It is fixedly connected to one side of the first mounting frame 5, one side and the middle of the second mounting frame 16, and one side of the conveyor frame 19 respectively. It is used to drive the lead screw 7, the conveyor wheel 20, and the page-separating wheel 21 to rotate, providing an independent and precise power source for each functional component. The speed can be adjusted according to the needs of different processes to achieve coordinated operation of correction, conveying, and page-separating actions, thereby improving the flexibility of equipment operation.

[0051] Lead screw 7: It is respectively installed inside the first mounting bracket 5 and the second mounting bracket 16, and is fixedly connected to the output end of the motor 6. It is also threaded to the telescopic head 8 or the rear correction plate 17, which converts the rotational motion of the motor 6 into the linear opposite / reverse movement of the telescopic head 8 or the rear correction plate 17. It has high adjustment accuracy and can realize the precise spacing adjustment of the front correction plate 10 and the rear correction plate 17, ensuring the centering and correction effect.

[0052] Telescopic head 8: threaded connection to lead screw 7, bottom slidably connected to telescopic rod 9, while moving with lead screw 7, provides installation and sliding support for telescopic rod 9, and in conjunction with the telescopic movement of telescopic rod 9, ensures that front correction plate 10 always fits against the upper surface of lifting platform 4, and is adapted to the height adjustment of lifting platform 4.

[0053] Telescopic rod 9: It is slidably connected to the bottom of telescopic head 8 and fixedly connected to the top of front correction plate 10. It adopts a telescopic structure design and can adaptively adjust to the lifting action of lifting platform 4 to ensure that the bottom of front correction plate 10 is always in contact with the upper surface of lifting platform 4, maintain the stability of correction reference position, and avoid correction failure due to changes in the height of lifting platform 4.

[0054] Front correction plate 10: It is fixedly connected to the telescopic rod 9, with its bottom attached to the upper surface of the lifting platform 4, and is fixedly connected to the anti-slip pad 11. Through cooperation with the lead screw 7, telescopic head 8, and telescopic rod 9, it can move towards both sides of the paper stack and apply clamping force to accurately correct the paper stack to the center position of the equipment, solving the paper feeding skew problem from the source. At the same time, the design of the bottom being attached to the lifting platform 4 ensures the stability of the correction benchmark.

[0055] Anti-slip pad 11: It is fixedly connected to the front correction plate 10 and is used to directly contact the two sides of the paper stack. The anti-slip design increases the frictional resistance with the paper stack, preventing the paper stack from shifting during the correction process. At the same time, the soft material can avoid squeezing and scratching the paper surface, ensuring the quality of paper processing.

[0056] Transition guide seat 12: It is fixedly connected to one end of the lifting platform 4 and located between the guide side plates 13. It serves as a transition bearing structure for the paper stack from the lifting platform 4 to the rolling rod 14, forming a smooth conveying channel to prevent the paper from getting stuck or shifting due to the support break when switching sections, thus ensuring the continuity of conveying.

[0057] The guide side plate 13 is fixedly connected to both sides of the fixed frame 1 and is arranged on both sides of the transition guide seat 12 to form a directional conveying channel. It guides the paper conveyed by the transition guide seat 12 to move along the preset trajectory, avoids the paper from deviating to both sides, and further regulates the conveying route.

[0058] Roller 14: Rotatably connected to the fixed frame 1, with an anti-slip sleeve 15 on the outside, and driven to rotate by an external power device. The active rotation driven by the external power provides sufficient power for paper feeding. The evenly distributed layout ensures a smooth feeding rhythm, avoids the slippage problem caused by traditional passive feeding, and improves feeding stability.

[0059] Anti-slip sleeve 15: It is fitted on the outside of the rolling rod 14 and is used to directly contact the paper, increase the frictional resistance with the paper, and further prevent slippage and displacement during the paper conveying process. At the same time, the soft material can reduce wear on the paper surface and ensure the integrity of the paper product's appearance.

[0060] Second mounting bracket 16: Fixedly connected to the fixed frame 1, located above the rolling rod 14, used to fix the motor 6 and support the lead screw 7, and provide an integrated mounting carrier for the rear correction mechanism and the page-separating wheel 21, so that the rear correction plate 17, the rolling rod 14, and the page-separating wheel 21 form a coordinated layout, ensuring the precise coordination of the secondary correction and page-separating action;

[0061] Rear correction plate 17: threadedly connected to the lead screw 7 inside the second mounting bracket 16, and fixedly connected to the bottom limit head 18. It performs secondary precise correction during the paper feeding process. It drives the paper to move in opposite directions through the lead screw 7, and adjusts the spacing to correct slight deviation of the paper, ensuring that the paper always stays in the center position before entering the subsequent folding process, thus improving positioning accuracy.

[0062] Limiting head 18: It is fixedly connected to the bottom of the rear correction plate 17. The end is a semi-arc frame structure and is movably sleeved on the outside of the rolling rod 14. The semi-arc frame structure restricts the movement trajectory of the rear correction plate 17 to prevent lateral deviation during operation. At the same time, the movable sleeve design does not affect the normal rotation of the rolling rod 14, ensuring the stability and accuracy of secondary correction.

[0063] Conveyor frame 19: Fixedly connected to one side of the first mounting frame 5, used to fix the motor 6 and the conveyor wheel 20, providing a stable mounting support for the conveyor wheel 20, ensuring that the conveyor wheel 20 makes precise contact with the top of the paper stack, ensuring stable power transmission, and realizing smooth paper conveying;

[0064] Conveyor wheel 20: The output end of motor 6 is fixedly connected to conveyor frame 19. It is used to contact the paper at the top of the paper stack. It is driven to rotate in the forward direction by motor 6. It uses friction to smoothly convey the paper at the top of the paper stack to the top of the transition guide seat 12. The conveying power is sufficient and the operation is smooth, avoiding wrinkles or displacement of the paper during conveying.

[0065] Page separating roller 21: Fixedly connected to the output end of motor 6 in the middle of the second mounting frame 16, its rotation direction is opposite to that of conveyor roller 20. By rotating in the opposite direction, it generates a separating force, which can quickly peel off excess paper that is stuck together during the conveying process, allowing only a single sheet of paper to continue to be conveyed forward. This avoids folding misalignment, paper jams and other faults caused by the simultaneous conveying of multiple sheets of paper from the source, ensuring the continuity and stability of processing.

[0066] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A conveying and guiding device for a folding machine, comprising a fixed frame (1), characterized in that: A hydraulic pump (2) is fixedly connected to the bottom of the fixed frame (1), a hydraulic rod (3) is fixedly connected to the output end of the hydraulic pump (2), and a lifting platform (4) is fixedly connected to the hydraulic rod (3). A first mounting bracket (5) is fixedly connected to the fixed frame (1). A motor (6) is fixedly connected to one side of the first mounting bracket (5). A lead screw (7) is fixedly connected to the output end of the motor (6). The lead screw (7) passes through the first mounting bracket (5). Two telescopic heads (8) are threadedly connected to the lead screw (7). A telescopic rod (9) is slidably connected to the bottom of each telescopic head (8). A front correction plate (10) is fixedly connected to each telescopic rod (9). A rolling rod (14) is rotatably connected to the fixed frame (1), and the rolling rod (14) is driven to rotate by an external power device; A second mounting bracket (16) is fixedly connected to the fixed frame (1). The second mounting bracket (16) is located above the rolling rod (14). A motor (6) is fixedly connected to one side of the second mounting bracket (16). The output end of the motor (6) is fixedly connected to the same lead screw (7). The lead screw (7) passes through the second mounting bracket (16). Two rear correction plates (17) are threaded on the lead screw (7). A conveyor frame (19) is fixedly connected to one side of the first mounting frame (5), and a motor (6) is fixedly connected to one side of the conveyor frame (19). A conveyor wheel (20) is fixedly connected to the output end of the motor (6). The second mounting bracket (16) is fixedly connected to the same motor (6) in the middle. The output end of the motor (6) is fixedly connected to the piecing wheel (21). The rotation direction of the piecing wheel (21) is opposite to that of the conveying wheel (20).

2. The conveying and guiding device for a folding machine according to claim 1, characterized in that: The bottom of the front correction plate (10) is attached to the upper surface of the lifting platform (4).

3. The conveying and guiding device for a folding machine according to claim 2, characterized in that: An anti-slip pad (11) is fixedly connected to the front correction plate (10).

4. The conveying and guiding device for a folding machine according to claim 3, characterized in that: One end of the lifting platform (4) is fixedly connected to a transition guide seat (12).

5. A conveying and guiding device for a folding machine according to claim 4, characterized in that: The fixed frame (1) is fixedly connected to two sides of the flow guide plate (13), which is located on both sides of the transition guide seat (12).

6. A conveying and guiding device for a folding machine according to claim 5, characterized in that: The rolling rod (14) is fitted with an anti-slip sleeve (15).

7. A conveying and guiding device for a folding machine according to claim 6, characterized in that: The bottom of each of the rear correction plates (17) is fixedly connected to a limiting head (18), the end of which is a semi-arc frame structure and is sleeved on the rolling rod (14).

8. A conveying and guiding device for a folding machine according to claim 7, characterized in that: The lead screws (7) are all bidirectional ball screws, and the two telescopic heads (8) are adapted to the positive and negative thread sections of the lead screws (7) respectively.

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