A paper conveying structure of a folding machine for notebook production

By adjusting the paper feeding structure and using gear meshing, the problem of traditional folding machines being unable to adapt to different paper stack thicknesses is solved, achieving stable paper feeding and efficient production.

CN224590288UActive Publication Date: 2026-08-04HANGZHOU LINAN HONGYU PRINTING PAPER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU LINAN HONGYU PRINTING PAPER CO LTD
Filing Date
2025-06-17
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Traditional folding machine paper feeding structures cannot flexibly adapt to paper stacks of different thicknesses and quantities, resulting in paper jams and poor feeding, which affects production efficiency and finished product quality.

Method used

The height of the paper stack carrying platform is adjusted by an adjustment mechanism, and the upper and lower paper feeding rollers rotate synchronously in opposite directions through the meshing design of the main gear and the auxiliary gear, so as to ensure that the paper is subjected to uniform force during the conveying process.

Benefits of technology

It effectively avoids paper jams, improves paper feeding smoothness and production efficiency, and increases the finished product qualification rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to notebook production technical field, especially notebook production is with the paper feeding structure of folder, including fixed base, the fixed base upper end rear part fixedly connected with the N type board, the N type board front end and rear end all open the guide groove of inside and outside through -going, the lower part of the front inner wall surface of N type board and rear inner wall surface lower part jointly fixedly connected with the mounting panel, the mounting panel lower end inserts and installs the adjusting mechanism, the fixed base upper end left front part and upper end left rear part all fixedly connected with the baffle, the rear side baffle rear end left part inserts and installs the paper feeding mechanism, and the upper transmission roller and the lower transmission roller of several are rotatably installed between two baffle through the pivot.
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Description

Technical Field

[0001] This utility model relates to the field of notebook manufacturing technology, and in particular to a paper feeding structure for a folding machine used in notebook manufacturing. Background Technology

[0002] In notebook manufacturing, folding machines are key equipment for folding paper into shape. The paper feeding structure, as a crucial component of the folding machine, directly impacts the efficiency and quality of notebook production. Traditional folding machine paper feeding structures have a fixed paper-bearing platform height, making it difficult to flexibly adapt to paper stacks of varying thicknesses and quantities. When the paper stack height and the gap between the paper feeding rollers do not match, paper jams and poor feeding can easily occur, leading to low feeding efficiency and even equipment malfunctions. Furthermore, the simple structure and single transmission method of traditional folding machine paper feeding structures result in uneven force on the paper during transport, affecting subsequent folding effects and reducing the finished notebook yield. Therefore, we have introduced a new paper feeding structure for folding machines used in notebook production. Utility Model Content

[0003] The main objective of this invention is to provide a paper feeding structure for a folding machine used in notebook production, which can effectively solve the problems in the background art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A paper feeding structure for a folding machine used in notebook production includes a fixed base. The fixed base has through holes at its four corners. A U-shaped plate is fixedly connected to the rear of the upper part of the fixed base. The front and rear ends of the U-shaped plate have through guide grooves. A mounting plate is fixedly connected to the lower part of the front inner wall and the lower part of the rear inner wall of the U-shaped plate. An adjustment mechanism is inserted into the lower end of the mounting plate. Side plates are fixedly connected to the front left and rear left of the upper part of the fixed base. A paper feeding mechanism is inserted into the left rear end of the rear side plate. Several upper drive rollers and several lower drive rollers are movably mounted between the two side plates via a rotating shaft, with the upper drive rollers located above the corresponding lower drive rollers.

[0006] Preferably, the paper feeding mechanism includes a second rotary motor, a main gear is fixedly mounted on the output end of the second rotary motor, an upper paper feeding roller is fixedly connected to the front end of the main gear, a secondary gear is meshed with the lower part of the outer surface of the main gear, a lower paper feeding roller is fixedly connected to the front end of the secondary gear, the front end of the second rotary motor is fixedly connected to the rear end of the rear side plate, and the output end of the second rotary motor passes through the rear end of the rear side plate and extends to the front end of the rear side plate.

[0007] By adopting the above technical solution: the meshing design of the main gear and the auxiliary gear ensures that the upper and lower paper feeding rollers can rotate synchronously and in opposite directions. This ensures that the upper and lower surfaces of the paper are subjected to frictional forces of opposite directions but similar magnitudes during the paper feeding process, thus ensuring that the paper can move steadily along the preset feeding path.

[0008] Preferably, the rear end of the auxiliary gear is movably connected to the front end of the rear side plate via a rotating shaft, and the front ends of the upper and lower paper feeding rollers are both movably connected to the rear end of the front side plate via rotating shafts.

[0009] By adopting the above technical solution: the rear end of the auxiliary gear is movably connected to the front end of the rear side plate through a rotating shaft, and the front ends of the upper and lower paper feeding rollers are movably connected to the rear end of the front side plate through a rotating shaft, forming a stable support structure.

[0010] Preferably, the adjustment mechanism includes a first rotary motor, a lead screw is fixedly installed at the output end of the first rotary motor, a transmission component is threadedly connected to the outer surface of the lead screw, the lower end of the first rotary motor is fixedly connected to the upper end of the fixed base, the upper end of the first rotary motor is fixedly connected to the lower end of the mounting plate, and the output end of the first rotary motor passes through the lower end of the mounting plate and extends to the upper end of the mounting plate.

[0011] By adopting the above technical solution: the first rotary motor drives the lead screw to rotate, and the transmission component connected to the lead screw moves up and down accordingly. The height of the paper stack carrying platform can be adjusted according to the different thicknesses and quantities of paper stacks. Whether it is a thinner paper stack or a thicker paper stack, the top of the paper stack can be adjusted to a height that matches the paper feeding mechanism by controlling the rotation of the first rotary motor.

[0012] Preferably, the upper end of the lead screw is movably connected to the upper inner wall of the U-shaped plate via a rotating shaft.

[0013] By adopting the above technical solution: the upper end of the lead screw is movably connected to the inner wall of the U-shaped plate through a rotating shaft, and the connection with the lower end and the first rotary motor forms a stable upper and lower support structure.

[0014] Preferably, the transmission assembly includes a transmission block, a rear guide block is fixedly connected to the rear end of the transmission block, a limit block is fixedly connected to the rear end of the rear guide block, a front guide block is fixedly connected to the front end of the transmission block, a paper stack carrying platform is fixedly connected to the front end of the front guide block, and the inner wall surface of the transmission block is threadedly connected to the outer surface of the lead screw.

[0015] Preferably, the rear guide block and the front guide block are movably fitted into the corresponding two guide grooves.

[0016] By adopting the above technical solution: when the lead screw in the adjustment mechanism rotates and drives the transmission block to move up and down, the rear guide block and the front guide block slide in the corresponding guide grooves respectively, which can strictly limit the movement direction of the transmission block, ensure that the paper stack carrying platform rises and falls smoothly in the vertical direction, and avoid deviation or tilting.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. In this utility model, the height of the paper stack carrying platform is flexibly controlled by the adjustment mechanism. When the first rotary motor is started, its output end drives the lead screw to rotate. The transmission block is connected to the lead screw by a thread and moves up and down linearly along the lead screw. At the same time, the rear guide block and the front guide block move and limit the movement in the guide groove to ensure that the paper stack carrying platform rises and falls smoothly. According to the thickness and quantity of the paper stack, the top of the paper stack can be quickly adjusted to a position that matches the gap between the upper and lower transmission rollers, effectively avoiding paper jamming caused by unsuitable paper stack height, and improving paper feeding smoothness and production efficiency.

[0019] 2. In this utility model, the paper feeding mechanism uses a second rotary motor to drive the main gear. The main gear meshes with the auxiliary gear to achieve synchronous rotation of the upper and lower paper feeding rollers in opposite directions. When the second rotary motor starts, the main gear drives the auxiliary gear to rotate. By utilizing the friction generated by the reverse rotation of the upper and lower paper feeding rollers, the paper is smoothly and steadily fed to the subsequent folding section. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the paper feeding structure of a folding machine for notebook production according to this utility model;

[0021] Figure 2 This is a schematic diagram of the adjustment mechanism of the paper feeding structure of a folding machine for notebook production according to the present invention;

[0022] Figure 3 This is a schematic diagram of the transmission component of the paper feeding structure of a folding machine for notebook production according to this utility model;

[0023] Figure 4 This is a schematic diagram of the paper feeding mechanism of a folding machine for notebook production according to the present invention.

[0024] In the diagram: 1. Fixed base; 2. Fixed hole; 3. U-shaped plate; 4. Guide groove; 5. Mounting plate; 6. Adjustment mechanism; 7. Side plate; 8. Paper feeding mechanism; 9. Upper drive roller; 10. Lower drive roller; 61. First rotary motor; 62. Lead screw; 63. Transmission assembly; 631. Transmission block; 632. Rear guide block; 633. Limiting block; 634. Front guide block; 635. Paper stack carrying platform; 81. Second rotary motor; 82. Main gear; 83. Upper paper feeding roller; 84. Secondary gear; 85. Lower paper feeding roller. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model 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 limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] Please see Figure 1-4 This utility model provides a technical solution:

[0029] A paper feeding structure for a folding machine used in notebook production includes a fixed base 1. Fixed holes 2 are formed at the four corners of the upper end of the fixed base 1, allowing through access. A U-shaped plate 3 is fixedly connected to the rear upper part of the fixed base 1. Guide grooves 4 are formed at both the front and rear ends of the U-shaped plate 3, allowing through access. A mounting plate 5 is fixedly connected to the lower part of the front inner wall and the lower part of the rear inner wall of the U-shaped plate 3. An adjustment mechanism 6 is inserted into the lower end of the mounting plate 5. Side plates 7 are fixedly connected to the front left and rear left of the upper end of the fixed base 1. A paper feeding mechanism 8 is inserted into the left rear end of the rear side plate 7. Several upper drive rollers 9 and several lower drive rollers 10 are movably mounted between the two side plates 7 via a rotating shaft, with the upper drive rollers 9 located above the corresponding lower drive rollers 10.

[0030] In this embodiment, the paper feeding mechanism 8 includes a second rotary motor 81. A main gear 82 is fixedly installed at the output end of the second rotary motor 81. An upper paper feeding roller 83 is fixedly connected to the front end of the main gear 82. A secondary gear 84 is meshed with the lower part of the outer surface of the main gear 82. A lower paper feeding roller 85 is fixedly connected to the front end of the secondary gear 84. The front end of the second rotary motor 81 is fixedly connected to the rear end of the rear side plate 7, and the output end of the second rotary motor 81 passes through the rear end of the rear side plate 7 and extends to the front end of the rear side plate 7. The rear end of the secondary gear 84 is movably connected to the front end of the rear side plate 7 through a rotating shaft. The front ends of the upper paper feeding roller 83 and the lower paper feeding roller 85 are both movably connected to the rear end of the front side plate 7 through rotating shafts.

[0031] Through the above scheme: The second rotary motor 81 is started, and its output end begins to rotate. Since the main gear 82 is fixedly installed at the output end of the second rotary motor 81, the main gear 82 will rotate along with the output end. When the main gear 82 rotates, the auxiliary gear 84 meshing with it will rotate in the opposite direction under the drive of the main gear 82. The cooperation between the main gear 82 and the auxiliary gear 84 ensures that the upper paper feeding roller 83 and the lower paper feeding roller 85 can rotate in opposite directions. The upper paper feeding roller 83 and the lower paper feeding roller 85 are respectively fixedly connected to the main gear 82 and the auxiliary gear 84. The front end of 84 rotates with the rotation of the main gear 82 and the auxiliary gear 84. The upper paper feeding roller 83 and the lower paper feeding roller 85 rotate in opposite directions, forming a conveying force between them. The sorted paper is placed into the gap between the upper paper feeding roller 83 and the lower paper feeding roller 85. As the upper paper feeding roller 83 and the lower paper feeding roller 85 rotate, the paper is driven by friction and begins to be conveyed forward. During the conveying process, the upper paper feeding roller 83 and the lower paper feeding roller 85 continue to rotate, stably conveying the paper to the folding part of the folding machine.

[0032] In this embodiment, the adjusting mechanism 6 includes a first rotary motor 61, with a lead screw 62 fixedly mounted on the output end of the first rotary motor 61. A transmission assembly 63 is threaded onto the outer surface of the lead screw 62. The lower end of the first rotary motor 61 is fixedly connected to the upper end of the fixed base 1, and the upper end of the first rotary motor 61 is fixedly connected to the lower end of the mounting plate 5. The output end of the first rotary motor 61 passes through the lower end of the mounting plate 5 and extends to the upper end of the mounting plate 5. The upper end of the lead screw 62 is connected to the upper inner part of the U-shaped plate 3 via a rotating shaft. The wall surface is movable; the transmission assembly 63 includes a transmission block 631, a rear guide block 632 is fixedly connected to the rear end of the transmission block 631, a limit block 633 is fixedly connected to the rear end of the rear guide block 632, a front guide block 634 is fixedly connected to the front end of the transmission block 631, a paper stack bearing platform 635 is fixedly connected to the front end of the front guide block 634, and the inner wall surface of the transmission block 631 is threadedly connected to the outer surface of the lead screw 62; the rear guide block 632 and the front guide block 634 are respectively movably sleeved in the corresponding two guide grooves 4.

[0033] Through the above scheme: the first rotary motor 61 is started, and its output end begins to rotate. Since the lead screw 62 is fixedly installed at the output end of the first rotary motor 61, the lead screw 62 will rotate together with the output end. The inner wall surface of the transmission block 631 is threadedly connected to the outer surface of the lead screw 62. When the lead screw 62 rotates, the transmission block 631 will move linearly along the lead screw 62. If the first rotary motor 61 rotates in the forward direction, the transmission block 631 moves upward. If it rotates in the reverse direction, the transmission block 631 moves downward. The rear guide block 632 at the rear end of the transmission block 631 and the front guide block 634 at the front end are respectively movably sleeved in the corresponding two guide grooves 4, playing a guiding and limiting role, ensuring that the transmission block 631 moves up and down smoothly without deviation or shaking. As the transmission block 631 moves, the paper stack carrying platform 635 connected to it will also move up and down. According to the thickness and quantity of the paper, by controlling the rotation direction and time of the first rotary motor 61, the paper stack carrying platform 635 is adjusted to a suitable height, so that the top of the paper is in a position that is convenient for paper feeding.

[0034] It should be noted that this utility model is a paper feeding structure for a folding machine used in notebook production. Before use, sufficient paper is placed in the paper stack carrying platform 635. The first rotary motor 61 is turned on, and its output end drives the lead screw 62 to rotate. Since the inner wall of the transmission block 631 is threadedly connected to the outer surface of the lead screw 62, when the lead screw 62 rotates, the transmission block 631 will move up and down linearly along the lead screw 62. The rear guide block 632 at the rear end of the transmission block 631 and the front guide block 634 at the front end move in the corresponding two guide grooves 4, playing a guiding and limiting role, ensuring that the transmission block 631 moves smoothly. As the transmission block 631 moves, the paper stack carrying platform connected to it moves smoothly. Platform 635 also moves up and down to adjust the height of the paper stack carrying platform 635 so that the height of the paper stack inside is adapted to the position of the gap between the upper drive roller 9 and the lower drive roller 10. The second rotary motor 81 is turned on, and its output end drives the main gear 82 to rotate. When the main gear 82 rotates, it will drive the auxiliary gear 84 meshed with it to rotate in the opposite direction. The upper paper feeding roller 83 at the front end of the main gear 82 and the lower paper feeding roller 85 at the front end of the auxiliary gear 84 will also rotate accordingly. The paper is placed between the upper drive roller 9 and the lower drive roller 10 and between the upper paper feeding roller 83 and the lower paper feeding roller 85. The paper is conveyed by the rotation of the upper paper feeding roller 83 and the lower paper feeding roller 85 and the friction between them and the paper.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A paper feeding structure of a folding machine for notebook production, comprising a fixed base (1), characterized in that: The fixed base (1) has four through holes (2) at the top and bottom corners. The fixed base (1) is fixedly connected to the rear of the top. The front and rear of the fixed base (1) have guide grooves (4) that pass through the inside and outside. The lower part of the front inner wall and the lower part of the rear inner wall of the fixed base (3) are fixedly connected to the mounting plate (5). The lower end of the mounting plate (5) is inserted with an adjustment mechanism (6). The front left and rear left of the top of the fixed base (1) are fixedly connected to the side plate (7). The left rear end of the side plate (7) is inserted with a paper feeding mechanism (8). Several upper drive rollers (9) and several lower drive rollers (10) are movably installed between the two side plates (7) through a rotating shaft. The several upper drive rollers (9) are located on the upper side of the corresponding several lower drive rollers (10). The paper feeding mechanism (8) includes a second rotary motor (81), a main gear (82) is fixedly installed at the output end of the second rotary motor (81), an upper paper feeding roller (83) is fixedly connected to the front end of the main gear (82), a secondary gear (84) is meshed with the lower part of the outer surface of the main gear (82), a lower paper feeding roller (85) is fixedly connected to the front end of the secondary gear (84), the front end of the second rotary motor (81) is fixedly connected to the rear end of the rear side plate (7), and the output end of the second rotary motor (81) passes through the rear end of the rear side plate (7) and extends to the front end of the rear side plate (7).

2. The paper feeding structure of the folding machine for notebook production according to claim 1, characterized in that: The rear end of the auxiliary gear (84) is movably connected to the front end of the rear side plate (7) via a rotating shaft. The front ends of the upper paper feeding roller (83) and the lower paper feeding roller (85) are both movably connected to the rear end of the front side plate (7) via rotating shafts.

3. The paper feeding structure of the folding machine for notebook production according to claim 1, characterized in that: The adjustment mechanism (6) includes a first rotary motor (61), the output end of which is fixedly mounted with a lead screw (62), the outer surface of which is threadedly connected with a transmission assembly (63), the lower end of the first rotary motor (61) is fixedly connected to the upper end of the fixed base (1), the upper end of the first rotary motor (61) is fixedly connected to the lower end of the mounting plate (5), and the output end of the first rotary motor (61) passes through the lower end of the mounting plate (5) and extends to the upper end of the mounting plate (5).

4. The paper feeding structure of the folding machine for notebook production according to claim 3, characterized in that: The upper end of the lead screw (62) is movably connected to the upper inner wall of the U-shaped plate (3) via a rotating shaft.

5. The paper feeding structure of the folding machine for notebook production according to claim 3, characterized in that: The transmission assembly (63) includes a transmission block (631), a rear guide block (632) is fixedly connected to the rear end of the transmission block (631), a limit block (633) is fixedly connected to the rear end of the rear guide block (632), a front guide block (634) is fixedly connected to the front end of the transmission block (631), a paper stack carrying platform (635) is fixedly connected to the front end of the front guide block (634), and the inner wall surface of the transmission block (631) is threadedly connected to the outer surface of the lead screw (62).

6. The paper feeding structure of the folding machine for notebook production according to claim 5, characterized in that: The rear guide block (632) and the front guide block (634) are respectively movably sleeved in the corresponding two guide grooves (4).