A paper edge stabilizing device

Abstract

This utility model relates to the field of papermaking technology, and more particularly to a paper edge stabilizing device to solve the problem in the prior art where paper edge drift affects the efficiency of subsequent pulping and recycling. The paper edge stabilizing device includes: a paper edge pressure plate, a pressure plate fixing rod, and a pressure plate base. One end of the paper edge pressure plate is fixedly connected to the pressure plate fixing rod, and the other end of the pressure plate fixing rod is rotatably inserted into the sleeve of the pressure plate base. An angle locking structure is provided between the pressure plate fixing rod and the sleeve, which is used to adjust the angle of the pressure plate fixing rod and lock the pressure plate fixing rod. The paper edge pressure plate is used to fit against the support plate of the rewinder to form a channel for the paper edge to pass through between the paper edge pressure plate and the support plate. The paper edge stabilizing device provided by this utility model solves the problem of paper edge drift and improves the efficiency of subsequent pulping and recycling.

Description

Technical Field

[0001] This utility model relates to the field of papermaking technology, and in particular to a paper edge stabilizing device. Background Technology

[0002] Large paper mills are typically equipped with high-speed rewinders for rewinding and slitting the raw paper produced by the papermaking machine. During the rewinding and slitting process, the paper edges on both sides of the raw paper need to be removed according to the production schedule and quality requirements. The removed paper edges are sent to the pulper through the paper edge blower pipe below, where they are pulped and reused in papermaking to achieve resource recycling.

[0003] Currently, some rewinders attempt to improve paper edge feeding by increasing fan suction or adjusting cutter position, but the effects are limited and may increase energy consumption or affect cutter life. After the paper edge separates from the base paper at the cutter, it freely enters the paper edge fan duct without stable control measures. This free-floating state is particularly severe at high speeds, making it impossible to guarantee stable paper edge feeding, increasing the risk of paper breakage, and potentially affecting subsequent pulp recycling efficiency.

[0004] Therefore, how to solve the problem of paper edge drift affecting the efficiency of subsequent pulp recycling in the existing technology is one of the important problems that urgently need to be solved in this field. Utility Model Content

[0005] In view of this, the present invention provides a paper edge stabilizing device to solve the problem in the prior art that the efficiency of subsequent pulping and recycling is affected by the drifting of the paper edge.

[0006] According to one aspect of the present invention, a paper edge stabilizing device is provided, comprising: a paper edge pressure plate, a pressure plate fixing rod, and a pressure plate base, wherein the paper edge pressure plate is fixedly connected to one end of the pressure plate fixing rod, and the other end of the pressure plate fixing rod is rotatably inserted into the sleeve of the pressure plate base;

[0007] An angle locking structure is provided between the pressure plate fixing rod and the sleeve. The angle locking structure is used to adjust the angle of the pressure plate fixing rod and lock the pressure plate fixing rod. The paper edge pressure plate is used to fit with the support plate of the rewinder to form a channel for the paper edge to pass through between the paper edge pressure plate and the support plate.

[0008] Furthermore, according to one aspect of the paper edge stabilizing device of this utility model, the paper edge pressure plate is an elastic paper edge pressure plate.

[0009] According to one aspect of the present invention, the paper edge stabilizing device includes an angle locking structure comprising a locking substructure and a first locking member. The locking substructure is disposed on the outer side wall of the pressure plate fixing rod, and the first locking member is adapted to the locking substructure.

[0010] According to one aspect of the paper edge stabilizing device of the present invention, the pressure plate base further includes a fixing rod, one end of which is connected to the sleeve, and the other end of which is used to be fixedly connected to the motor base of the rewinder, and the fixing rod is fixedly connected to the motor base.

[0011] According to one aspect of the paper edge stabilizing device of the present invention, the axial direction of the paper edge pressure plate is consistent with the movement direction of the paper edge; the longitudinal dimension of the paper edge pressure plate is greater than or equal to 15mm.

[0012] According to one aspect of the paper edge stabilizing device of the present invention, the end face of the paper edge pressure plate near the support plate is a wear-resistant coated end face.

[0013] According to one aspect of the paper edge stabilizing device of the present invention, the inner wall of the sleeve is provided with anti-slip texture to increase the friction between the sleeve and the pressure plate fixing rod.

[0014] According to one aspect of the paper edge stabilizing device of the present invention, there is a gap between the paper edge pressure plate and the support plate, the gap being used to clamp the paper edge and ensure that the paper edge descends stably during high-speed operation.

[0015] According to one aspect of the paper edge stabilizing device of the present invention, the gap between the paper edge pressure plate and the support plate is adjustable in the range of 0.5mm-2mm.

[0016] According to one aspect of the present invention, the paper edge stabilizing device has an angle adjustment range of 0° to 90° for the paper edge pressure plate.

[0017] The above-mentioned technical solution adopted in this utility model embodiment can achieve the following beneficial effects: In the above-mentioned paper edge stabilizing device, one end of the paper edge pressure plate is fixedly connected to the pressure plate fixing rod, and the other end of the pressure plate fixing rod is rotatably inserted into the sleeve of the pressure plate base. The paper edge pressure plate is used to fit against the support plate of the rewinder to form a channel for the paper edge to pass through between the paper edge pressure plate and the support plate. After the paper edge is output from the rewinder, it lacks restraint and is prone to lateral or longitudinal drift due to equipment vibration, airflow, or its own tension fluctuations, resulting in dispersed, stacked, or entangled positions when entering the pulping equipment, making it impossible for the pulping equipment to stably grasp and process it. However, the channel structure, through the fit between the paper edge pressure plate and the support plate, forms a physical constraint space, making the paper edge movement trajectory controllable, and effectively limiting lateral offset and longitudinal drift, thus solving the problem of unstable feeding of the pulping equipment caused by drift. Based on this, the pressure plate fixing rod rotatably passes through a sleeve installed in the pressure plate base. Combined with the angle locking structure, different paper types have varying edge rigidity and degrees of drift. Changes in rewinder operating parameters may also require different constraint angles for the paper edge. If the paper edge pressure plate angle is fixed, an excessively steep angle may cause the paper edge to break due to over-compression, while an insufficiently gentle angle may leave room for drift. The angle locking structure allows adjustment of the paper edge pressure plate angle according to actual working conditions, ensuring that the constraint force on the paper edge is moderate—neither too loose, causing drift, nor too tight, causing paper edge damage or obstruction. The pressure plate fixing rod is connected to the base via the sleeve, and the angle locking structure fixes the adjusted angle, ensuring the paper edge pressure plate remains stable under equipment vibration and paper edge impact conditions. This prevents channel deformation or failure due to structural loosening, and maintains continuous constraint on the paper edge. The stable conveying of paper edges allows them to enter the paper edge blower duct evenly and continuously, reducing problems such as accumulation, entanglement, and blockage caused by drifting. This makes the pulping process smoother, improves pulping fullness, and thus enhances the efficiency and quality of paper edge recycling. It effectively solves the problem in existing technologies where paper edge drifting affects the efficiency of subsequent pulping and recycling. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 The figure shows a structural schematic diagram of a paper edge stabilizing device according to an embodiment of the present invention.

[0020] Figure label:

[0021] 101 - Pressure plate fixing rod, 102 - Paper edge pressure plate, 103 - Support plate, 104 - Sleeve, 105 - Pressure plate base, 106 - Motor base, 107 - Paper edge fan duct opening. Detailed Implementation

[0022] Embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While some embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0023] It should be understood that the steps described in the method embodiments of this utility model may be performed in different orders and / or in parallel. Furthermore, the method embodiments may include additional steps and / or omit the steps shown. The scope of this utility model is not limited in this respect.

[0024] The term "comprising" and its variations as used herein are open-ended, meaning "including but not limited to". The term "based on" means "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Definitions of other terms will be given in the following description. It should be noted that the concepts of "first", "second", etc., mentioned in this utility model are only used to distinguish different devices, modules, or units, and are not used to limit the order of functions performed by these devices, modules, or units or their interdependencies.

[0025] It should be noted that the terms "a" and "a plurality of" used in this utility model are illustrative rather than restrictive. Those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0026] The names of the messages or information exchanged between the multiple devices in this embodiment of the invention are for illustrative purposes only and are not intended to limit the scope of these messages or information.

[0027] Large paper mills are typically equipped with high-speed rewinders for rewinding and slitting the raw paper produced by the papermaking machine. During the rewinding and slitting process, the paper edges on both sides of the raw paper need to be removed according to the production schedule and quality requirements. The removed paper edges are sent to the pulper through the paper edge blower pipe below, where they are pulped and reused in papermaking to achieve resource recycling.

[0028] Currently, some rewinders attempt to improve paper edge feeding by increasing fan suction or adjusting cutter position, but the effects are limited and may increase energy consumption or affect cutter life. After the paper edge separates from the base paper at the cutter, it freely enters the paper edge fan duct without stable control measures. This free-floating state is particularly severe at high speeds, making it impossible to guarantee stable paper edge feeding, increasing the risk of paper breakage, and potentially affecting subsequent pulp recycling efficiency.

[0029] To address the aforementioned problems, an exemplary embodiment of this utility model provides a paper edge stabilizing device to solve the problem in the prior art where paper edge drifting affects the efficiency of subsequent pulping and recycling.

[0030] A paper edge stabilizing device according to an embodiment of the present invention will now be described in detail with reference to the accompanying drawings.

[0031] Figure 1 The diagram illustrates the structure of a paper edge stabilizing device according to an embodiment of the present invention, as shown below. Figure 1 As shown, the paper edge pressure plate 102 is fixedly connected to one end of the pressure plate fixing rod 101, and the other end of the pressure plate fixing rod 101 is rotatably inserted into the sleeve 104 of the pressure plate base 105. An angle locking structure is provided between the pressure plate fixing rod 101 and the sleeve 104. The angle locking structure is used to adjust the angle of the pressure plate fixing rod 101 and lock the pressure plate fixing rod 101. The paper edge pressure plate 102 is used to fit against the support plate 103 of the rewinder to form a channel for the paper edge to pass through between the paper edge pressure plate 102 and the support plate 103.

[0032] In practical applications, such as Figure 1As shown, the paper edge pressure plate 102 is fixedly connected to one end of the pressure plate fixing rod 101, and the other end of the pressure plate fixing rod 101 is rotatably inserted into the sleeve 104 of the pressure plate base 105. The paper edge pressure plate 102 is used to fit against the support plate 103 of the rewinder to form a channel for the paper edge to pass through between the paper edge pressure plate 102 and the support plate 103. After the paper edge is output from the rewinder, it lacks restraint and is prone to lateral or longitudinal drift due to equipment vibration, airflow, or its own tension fluctuations, resulting in its position being scattered, stacked, or entangled when entering the pulping equipment, making it impossible for the pulping equipment to stably grasp and process it. However, the channel structure, through the fit between the paper edge pressure plate 102 and the support plate 103, forms a physical constraint space, making the movement trajectory of the paper edge controllable, and effectively limiting lateral deviation and longitudinal drift, thus solving the problem of unstable feeding of the pulping equipment caused by drift. Based on this, the pressure plate fixing rod 101 is rotatably inserted through the sleeve 104 of the pressure plate base 105. In conjunction with the angle locking structure, different types of paper have different edge rigidity and varying degrees of drift. Changes in rewinder operating parameters may also require different constraint angles for the paper edge. If the angle of the paper edge pressure plate 102 is fixed, the paper edge may be excessively squeezed and break due to an overly steep angle, while insufficient constraint may leave room for drifting due to an overly gentle angle. The angle locking structure allows adjustment of the angle of the paper edge pressure plate 102 according to actual working conditions, ensuring that the constraint force on the paper edge is moderate—neither too loose causing drifting nor too tight causing paper edge damage or obstruction of transport. The pressure plate fixing rod 101 is connected to the base via the sleeve 104, and the angle locking structure can fix the adjusted angle, ensuring the stability of the paper edge pressure plate 102 under conditions such as equipment vibration and paper edge impact. This prevents channel deformation or failure due to structural loosening, and maintains continuous constraint on the paper edge. The stable conveying of paper edges allows them to enter the paper edge blower duct 107 evenly and continuously, reducing problems such as accumulation, entanglement, and blockage caused by drifting. This makes the pulping process smoother, improves pulping fullness, and thus enhances the efficiency and quality of paper edge recycling. It effectively solves the problem in existing technologies where paper edge drifting affects the efficiency of subsequent pulping and recycling.

[0033] For example, such as Figure 1 As shown, the paper edge pressure plate 102 is an elastic paper edge pressure plate 102. The angle locking structure includes a locking substructure and a first locking member. The locking substructure is located on the outer wall of the pressure plate fixing rod 101, and the first locking member is adapted to the locking substructure.

[0034] In practical applications, when adjusting the paper edge characteristics (the thickness and hardness of the paper, as mentioned above), it is important to understand that these characteristics will not be elaborated upon here. When adjusting the angle of the paper edge pressure plate 102 during rewinding, operate the first locking element to separate it from the locking substructure. Then, rotate the pressure plate fixing rod 101, causing the elastic paper edge pressure plate 102 to rotate around the sleeve 104 until the channel angle between the paper edge pressure plate 102 and the support plate 103 meets the requirements. After the angle is determined, reverse the operation of the first locking element to ensure a tight fit with the locking substructure. Through mechanical engagement, the angle of the pressure plate fixing rod 101 is rigidly locked, preventing angle deviation due to equipment vibration, paper edge impact, or other external forces, thus ensuring a stable channel angle. Because of its own elasticity, the elastic paper edge pressure plate 102 maintains a flexible fit with the support plate 103, and the channel width adaptively adjusts with the paper edge thickness. When there are slight fluctuations in the paper edge thickness, such as thickness deviations caused by paper splicing or changes in roll diameter, the elastic pressure plate will undergo slight deformation. This avoids rigid compression that could cause the paper edge to break, while also preventing loss of constraint due to excessive gaps. As the paper edge moves within the channel, the rebound force of the elastic pressure plate continuously applies stable lateral constraint, absorbing the impact energy generated by tension fluctuations or airflow disturbances and suppressing its lateral drift. Simultaneously, the "wrapping" feel generated by the elastic deformation enhances the fit to the paper edge. Even if the paper edge shows a momentary tendency to shift, it will be pushed back to the preset path by the elastic force, ensuring a stable conveying trajectory. The angle locking structure maintains an angle-locked state during this stage, preventing the pressure plate fixing rod 101 from rotating due to the reaction force of the elastic pressure plate or the impact force of the paper edge. This ensures that the geometry of the channel remains unchanged, providing a stable structural foundation for the elastic constraint.

[0035] As can be seen from the above implementation process, the matching design of the locking substructure and the first locking component should be understood as follows: the locking substructure and the first locking component can be a toothed groove and pawl engagement, a threaded thread and bolt engagement, or a recessed pit and ball mechanical engagement structure. Compared with simple friction locking, it can achieve rigid locking through physical engagement, significantly reducing the risk of the angle loosening due to external forces. The long-term stability of the angle ensures that the channel geometry remains unchanged, avoiding constraint failure caused by angle deviation, and providing continuous and stable feeding conditions for subsequent pulping. The elastic rebound force can provide gentle but continuous constraint, avoiding crushing of the paper edge. For thick paper edges, elastic deformation can buffer the impact force, and at the same time, increase the contact area through deformation to enhance the constraint force. For paper edges with fluctuating thickness, the elastic adaptive capability can adjust the channel width in real time to ensure that effective constraint is always maintained, without the need for frequent machine stops to adjust the angle, thus improving production continuity. The elastic paper edge pressure plate 102 has flexible contact with the paper edge, which can reduce damage such as paper edge tearing and fuzzing caused by rigid collisions. When intact paper edges enter the pulping equipment, they are less likely to be insufficiently pulped due to uneven fiber breakage, which can improve pulping speed and pulp uniformity, and indirectly improve recycling efficiency.

[0036] For example, such as Figure 1As shown, one end of the fixing rod is connected to the sleeve 104, and the other end of the fixing rod is used to fix it to the motor base 106 of the rewinder. The fixing rod is fixedly connected to the motor base 106.

[0037] In practical applications, such as Figure 1 As shown, the motor base 106 of the rewinder is a key structure supporting the drive motor. Its design must meet the rigidity requirements of the motor during operation, thus possessing high strength and low deformation characteristics. The fixing rod directly fixes the paper edge stabilizing device to the motor base 106, avoiding the deformation problem of the mounting foundation that may occur when the device is installed on other non-load-bearing structures of the rewinder. The rigid connection between the fixing rod and the motor base 106 can transmit the stability of the motor base 106 to the entire device, making it less likely for the relative positions of components such as the paper edge pressure plate 102 and the sleeve 104 to shift due to equipment vibration. This ensures the long-term stability of the channel geometry formed by the paper edge pressure plate 102 and the support plate 103, suppressing paper edge drift caused by device shaking from the foundation level. When the rewinder is working, components such as the motor and the paper roll will generate continuous vibration. If the installation foundation of the paper edge stabilizing device does not match the vibration characteristics of the vibration source, it may cause the device itself to resonate, thereby causing the paper edge pressure plate 102 to shake and interfering with the stable conveying of the paper edge.

[0038] For example, such as Figure 1 As shown, the axial direction of the paper edge pressure plate 102 is consistent with the movement direction of the paper edge; the longitudinal dimension of the paper edge pressure plate 102 is greater than or equal to 15mm. The end face of the paper edge pressure plate 102 near the support plate 103 is a wear-resistant coated end face.

[0039] In practical applications, such as Figure 1 As shown, the axial direction of the paper edge pressure plate 102 is consistent with the direction of paper edge movement, reducing resistance interference and strengthening forward constraint. The direction of paper edge movement is its conveying path between the rewinder and the pulping equipment, while the axial direction of the paper edge pressure plate 102 is actually the length extension direction of the paper edge pressure plate 102. When the paper edge is conveyed in the channel, the direction of paper edge movement is parallel to the extension direction of the pressure plate, which can minimize the lateral resistance or jamming of the pressure plate on the paper edge. If the directions are inconsistent, the paper edge will generate oblique friction with the pressure plate during movement, which can easily lead to local wrinkles, displacement, or even lifting of the pressure plate, thus destroying the constraint stability of the channel. The forward axial direction can guide the paper edge to pass stably along the preset path, avoiding the paper edge hitting the side of the pressure plate due to directional misalignment, reducing the drifting or breakage of the paper edge caused by collision, and ensuring the continuity of paper edge conveying.

[0040] Based on this, the longitudinal dimension of the paper edge pressure plate 102 is greater than or equal to 15mm, which can expand the constraint range and suppress local drift. The longitudinal dimension is actually the width of the paper edge pressure plate 102 in the direction perpendicular to the paper edge movement, that is, the length of the working surface opposite to the support plate 103. This dimension directly determines the constraint coverage of the paper edge. During the conveying process, the width direction of the paper edge may drift locally due to uneven tension, equipment vibration, etc. If the longitudinal dimension is too small, it can only constrain a narrow area of ​​the paper edge, and the uncovered part may still drift, resulting in insufficient overall stability of the paper edge. A longitudinal dimension ≥15mm can ensure continuous constraint on the main area of ​​the paper edge in the width direction. Through a sufficiently wide working surface in contact with the paper edge, even if the paper edge fluctuates locally, it can be "blocked" or "limited" by the wide working surface of the pressure plate, preventing local drift from spreading into overall displacement, ensuring that the paper edge is always conveyed stably in the channel, providing a foundation for subsequent pulping.

[0041] Meanwhile, the end face of the paper edge pressure plate 102 is actually the working surface opposite to the support plate 103. This is a critical part where the end face of the paper edge pressure plate 102 directly contacts the paper edge. Over long-term use, it will wear down due to friction from the paper edge and scraping from paper dust. If the end face lacks a wear-resistant coating, wear will lead to a decrease in the flatness of the end face, and may even increase the channel gap between the paper edge pressure plate 102 and the support plate 103. A larger gap will weaken the constraint on the paper edge, causing it to easily "pass through" and drift. The wear-resistant coating can be a ceramic coating or a hard alloy coating, which will not be elaborated here. The wear-resistant coating can significantly improve the hardness and wear resistance of the end face, reduce frictional loss, and maintain the flatness of the end face and the stability of the channel gap over a long period. At the same time, the smooth surface of the wear-resistant coating can reduce the coefficient of friction with the paper edge, reduce damage to the paper edge caused by friction, ensure the integrity of the paper edge shape, and avoid "increased impurities" during pulping due to paper edge damage, indirectly improving the efficiency and quality of pulping recycling. Furthermore, the wear-resistant coating can reduce the accumulation of paper dust on the end face, avoid channel blockage or narrowing of gaps caused by paper dust accumulation, reduce equipment maintenance frequency, and improve the continuous operational reliability of the device.

[0042] For example, the inner wall of the sleeve 104 is provided with anti-slip texture to increase the friction between the sleeve 104 and the pressure plate fixing rod 101. A gap is also provided between the paper edge pressure plate 102 and the support plate 103, which is used to clamp the paper edge and ensure its stable descent during high-speed operation. The gap between the paper edge pressure plate 102 and the support plate 103 is adjustable from 0.5mm to 2mm.

[0043] In practical applications, the anti-slip texture increases the friction between the sleeve 104 and the pressure plate fixing rod 101, which not only enhances the static stability of the angle locking but, more importantly, provides support for the dynamic stability of the gap size. When the paper edge passes through the gap at high speed, it will generate a continuous lateral force on the paper edge pressure plate 102. If the friction between the sleeve 104 and the fixing rod is insufficient, the pressure plate angle may shift slightly under the force, causing the gap size to increase or decrease instantaneously. The anti-slip texture, by enhancing frictional constraint, ensures that the pressure plate angle does not shift under dynamic force, keeping the adjusted gap size within the preset range and providing a stable structural foundation for subsequent precise clamping.

[0044] Based on this, paper edge thickness varies significantly due to differences in paper type and basis weight. A range of 0.5mm-2mm accurately covers most common paper edge thicknesses. At high speeds, the paper edge will experience slight "expansion" or vibration due to air resistance; the 0.5mm-2mm gap provides a reasonable buffer space. This prevents the gap from being too large, resulting in a loss of restraint, or too small, causing a sudden increase in frictional resistance, ensuring that the paper edge consistently descends steadily along the gap at high speeds. This clearly defined adjustment range provides operators with an intuitive basis for adjustment, allowing them to quickly set the appropriate gap based on the paper edge thickness without repeated trial and error. This reduces downtime caused by improper gaps, indirectly improving production and pulp recycling efficiency.

[0045] For example, such as Figure 1 As shown, the angle adjustment range of the paper edge pressure plate 102 is 0° to 90°. When the adjustment angle of the paper edge pressure plate 102 is 0°, the paper edge pressure plate 102 and the support plate 103 are nearly parallel, and the gap is a straight channel along the direction of paper edge movement, which is suitable for scenarios where the paper edge tension is stable and the movement path is gentle. The straight channel can reduce the head-on impact between the paper edge and the pressure plate, and avoid increased local friction or wrinkles caused by excessively steep angles. When the adjustment angle of the paper edge pressure plate 102 is 90°, the paper edge pressure plate 102 and the support plate 103 are in a perpendicular or large angle state, and the gap entrance is a right-angle guide, which is suitable for scenarios where the paper edge has obvious curling or the movement path is offset upward or downward. The perpendicular angle can force the curled paper edge to flatten and move in a directional manner along the gap through the blocking and guiding effect of the pressure plate, preventing the curled part from jumping out of the gap or getting tangled on the equipment.

[0046] When the adjustment angle of the paper edge clamping plate 102 is from 0° to 90°, it can flexibly adapt to scenarios involving the tilting movement of the paper edge, reducing resistance when the paper edge passes through. Simultaneously, the lateral constraint generated by the angle counteracts the tendency of the paper edge to deviate due to inertia. Furthermore, changes in the angle indirectly affect the effective length of the gap. The 0° to 90° adjustment range can be combined with a gap adjustment of 0.5mm–2mm to form a combined control, adapting to more complex paper edge characteristics. For thin and easily shifting paper edges, a smaller angle and smaller gap can be adjusted. The smaller angle extends the contact length between the paper edge and the clamping plate, forming a long-distance flexible clamping with the smaller gap, enhancing constraint stability. For thick and rigid paper edges, a larger angle and larger gap can be adjusted. The larger angle shortens the contact length to reduce frictional resistance, while the larger gap prevents jamming. Simultaneously, the rigidity of the angle guides the paper edge to prevent it from deviating from its path due to excessive rigidity.

[0047] The above description is merely an illustration of some embodiments of this utility model and the technical principles employed. Those skilled in the art should understand that the scope of this utility model is not limited to the specific combinations of the above-described technical features, but also includes other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features of this utility model that have similar functions.

[0048] While specific embodiments of the present invention have been described in detail by way of examples, those skilled in the art should understand that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A paper edge stabilizing device, characterized in that, The paper edge stabilizing device includes: a paper edge pressure plate, a pressure plate fixing rod, and a pressure plate base. The paper edge pressure plate is fixedly connected to one end of the pressure plate fixing rod, and the other end of the pressure plate fixing rod is rotatably inserted into the sleeve of the pressure plate base. An angle locking structure is provided between the pressure plate fixing rod and the sleeve. The angle locking structure is used to adjust the angle of the pressure plate fixing rod and lock the pressure plate fixing rod. The paper edge pressure plate is used to fit against the support plate of the rewinder to form a channel for the paper edge to pass through between the paper edge pressure plate and the support plate.

2. The paper edge stabilizing device according to claim 1, characterized in that, The paper edge pressure plate is an elastic paper edge pressure plate.

3. The paper edge stabilizing device according to claim 1, characterized in that, The angle locking structure includes a locking substructure and a first locking member. The locking substructure is located on the outer side wall of the pressure plate fixing rod, and the first locking member is adapted to the locking substructure.

4. The paper edge stabilizing device according to claim 1, characterized in that, The pressure plate base also includes a fixing rod, one end of which is connected to the sleeve, and the other end of which is fixedly connected to the motor base of the rewinding machine. The fixing rod is fixedly connected to the motor base.

5. The paper edge stabilizing device according to claim 1, characterized in that, The axial direction of the paper edge pressing plate is consistent with the movement direction of the paper edge; the longitudinal dimension of the paper edge pressing plate is greater than or equal to 15mm.

6. The paper edge stabilizing device according to claim 1, characterized in that, The end face of the paper edge pressure plate near the support plate is a wear-resistant coated end face.

7. The paper edge stabilizing device according to claim 1, characterized in that, The inner wall of the sleeve is provided with anti-slip texture to increase the friction between the sleeve and the pressure plate fixing rod.

8. The paper edge stabilizing device according to claim 1, characterized in that, There is also a gap between the paper edge pressure plate and the support plate, which is used to clamp the paper edge and ensure that the paper edge descends stably during high-speed operation.

9. The paper edge stabilizing device according to claim 8, characterized in that, The gap between the paper edge pressing plate and the support plate can be adjusted from 0.5mm to 2mm.

10. The paper edge stabilizing device according to claim 1, characterized in that, The angle adjustment range of the paper edge pressure plate is 0° to 90°.

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