Aluminum strip straightening mechanism

Abstract

The utility model discloses an aluminum strip straightening mechanism which comprises a straightening rack, the upper end of the straightening rack is provided with a straightening conveying table used for directionally conveying and straightening an aluminum strip, and the upper end face of the straightening conveying table is rotatably provided with a straightening conveying roller in an embedded mode, adsorption through holes which penetrate through the lower end face of the straightening rack to conduct downward adsorption straightening on the upward bending portion of the aluminum strip are formed in the positions, located between the straightening conveying rollers, of the upper end of the straightening conveying table, and a high-pressure air suction pump is matched with the adsorption through holes to apply downward adsorption force to the upward bending portion of the aluminum strip. And a bidirectional straightening force field is formed. Compared with a single straightening mode which only depends on mechanical pressure in the prior art, the mechanism can more effectively straighten the complex bending form of the aluminum strip, local bending residues are avoided, the straightening conveying rollers are embedded into the circular installation grooves, a flat transition face is formed by the straightening conveying rollers and the straightening conveying table, the conveying resistance of the aluminum strip is reduced, and surface scratching is prevented.

Description

Technical Field

[0001] This utility model belongs to the field of aluminum strip processing technology, and specifically relates to an aluminum strip straightening mechanism. Background Technology

[0002] In the aluminum processing industry, the straightening quality of aluminum strip directly affects the accuracy of subsequent processing and product performance. Existing technologies, such as the utility model patent with authorization announcement number CN218310114U, disclose a straightening device for aluminum strip production, which achieves straightening of the aluminum strip by setting up an alternating arrangement of upper and lower straightening roller groups. However, this solution has certain technical limitations: First, relying solely on the mechanical pressure of the upper and lower roller groups for straightening lacks targeted adsorption and straightening methods for the complex upward bending deformation of the aluminum strip, easily leading to localized bending residue; second, the lack of a dynamic stabilization mechanism during roller conveying means that the aluminum strip may shift or develop surface scratches due to uneven force during straightening; third, the lack of a horizontal state maintenance mechanism after straightening makes the aluminum strip prone to secondary deformation due to stress release, affecting the processing accuracy of subsequent processes. Utility Model Content

[0003] The purpose of this invention is to provide an aluminum strip straightening mechanism to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an aluminum strip straightening mechanism, comprising:

[0005] A straightening frame is provided at the upper end of which a straightening conveyor table is provided for the directional conveying and straightening of aluminum strip. A straightening conveyor roller is embedded and rotatably provided on the upper surface of the straightening conveyor table to keep the aluminum strip stable during the straightening of the curved part. An adsorption through hole is provided at the upper end of the straightening conveyor table and between the straightening conveyor rollers, which extends to the lower end of the straightening frame to adsorb and straighten the upward curved part of the aluminum strip downward.

[0006] The lifting plate has a straightening roller that rotates evenly in the cavity inside the lifting plate to straighten and transport the bent part of the aluminum strip from the top. The bottom surface of the other end of the lifting plate is provided with a holding pressure plate to keep the aluminum strip in a horizontal state after bending and straightening.

[0007] Preferably, a circular mounting groove is evenly provided on one side of the upper surface of the straightening conveyor platform, and the straightening conveyor rollers are all rotatably arranged in the circular grooves, with the upper end of the straightening conveyor rollers located on the surface of the straightening conveyor platform. This ensures that the aluminum strip can be smoothly conveyed along the preset track when the straightening pressure roller and the straightening conveyor roller work together, avoiding the offset problem caused by the height difference of the roller surfaces.

[0008] Preferably, a through groove is provided at one end of the surface of the lifting plate, and the straightening lower pressure roller is rotatably arranged inside the through groove. The shaft of the straightening lower pressure roller extends through to the outer side of the lifting plate, so as to achieve precise control of the speed and direction of the straightening lower pressure roller. In this way, the straightening pressure and conveying speed can be adjusted according to the different degrees of curvature and material characteristics of the aluminum strip, thereby improving the straightening efficiency and quality.

[0009] Preferably, servo motor units are evenly provided on one outer side of the lifting plate. The rotating shaft of the servo motor unit is connected to the rotating shaft of the straightening lower pressure roller. After the straightening lower pressure roller moves down, it is perpendicular to the straightening conveying roller to straighten and convey the aluminum strip. The perpendicular and intersecting arrangement can apply straightening force to the aluminum strip from multiple angles, enhancing the correction effect on complex bending shapes.

[0010] Preferably, the straightening conveyor table is provided with a straightening outer protective frame at its end, and lifting cylinders are evenly provided on the upper inner side of the straightening outer protective frame. The lifting cylinders are fixed on the upper side of the lifting plate and can flexibly adjust the distance between the straightening lower pressure roller and the straightening conveyor roller to adapt to the straightening requirements of aluminum strips of different thicknesses and ensure efficient straightening of all types of aluminum strips.

[0011] Preferably, a pressure-relieving cylinder is evenly provided on one side surface of the lifting plate. One end of the pressure-relieving cylinder extends through to the bottom of the lifting plate and is fixed to the upper surface of the pressure-relieving plate. The pressure-relieving cylinder can dynamically adjust the pressure intensity according to the material of the aluminum strip and the straightening situation to ensure that the aluminum strip is always transported in a horizontal state after straightening.

[0012] Preferably, the lower end face of the straightening frame is provided with a perforated suction plate that is connected through the bottom end of the adsorption through hole. A high-pressure suction pump is provided on the bottom side of the perforated suction plate. One end of the high-pressure suction pump is connected through the perforated suction plate via a pressure relief valve, which generates a strong downward adsorption force on the upwardly bent part of the aluminum strip, forming a bidirectional straightening force with the downward pressing action of the straightening lower pressure roller.

[0013] Compared with the prior art, the technical effects and advantages of this utility model are as follows: This aluminum strip straightening mechanism...

[0014] By using a high-pressure suction pump in conjunction with adsorption through-holes, a downward adsorption force is applied to the upwardly curved portion of the aluminum strip. Combined with the downward pressure of the straightening roller, a bidirectional straightening force field is formed. Compared to existing straightening methods that rely solely on mechanical pressure, this mechanism can more effectively correct complex bending shapes of the aluminum strip, avoid localized bending residue, and significantly improve straightening accuracy.

[0015] The straightening conveyor roller is embedded in a circular mounting groove, forming a flat transition surface with the straightening conveyor table, reducing the conveying resistance of the aluminum strip and preventing surface scratches; at the same time, it ensures that the aluminum strip is smoothly conveyed along the preset track when the straightening pressure roller and the straightening conveyor roller work together, solving the problem of aluminum strip deviation caused by uneven force in the prior art, and ensuring the surface quality and conveying stability of the aluminum strip.

[0016] The servo motor unit works in conjunction with the lifting cylinder. On the one hand, it can dynamically adjust the speed and downward pressure of the straightening pressure roller according to the real-time straightening status of the aluminum strip. On the other hand, it can flexibly adjust the distance between the straightening pressure roller and the straightening conveyor roller. Regardless of the degree of curvature or thickness of the aluminum strip, this mechanism can achieve efficient and precise straightening, greatly improving the versatility and adaptability of the equipment.

[0017] The combination of the pressure-relieving cylinder and the pressure-retaining plate can dynamically adjust the pressure intensity according to the aluminum strip material and straightening conditions, effectively offsetting the residual stress inside the aluminum strip and ensuring that the aluminum strip is conveyed in a horizontal state after straightening. This overcomes the defect of secondary deformation of aluminum strip due to stress release in the existing technology, and provides high-quality aluminum strip raw materials for subsequent processing. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a top view of the straightening conveyor table of this utility model;

[0020] Figure 3 This is a bottom view of the lifting plate of this utility model.

[0021] In the diagram: 1. Straightening frame; 2. Straightening conveyor table; 3. Straightening conveyor roller; 4. Adsorption through hole; 5. Lifting plate; 6. Straightening lower pressure roller; 7. Holding pressure plate; 8. Circular mounting groove; 9. Through groove; 10. Servo motor assembly; 11. Straightening outer protective frame; 12. Lifting cylinder; 13. Pressure relief cylinder; 14. Hollow suction plate; 15. High-pressure suction pump. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-3 This utility model provides a technical solution: an aluminum strip straightening mechanism, comprising:

[0024] The straightening frame 1, serving as the foundational support structure of the entire mechanism, provides a platform for the installation and fixation of other components. A straightening conveyor table 2 is located at the upper end of the straightening frame 1 for straightening the aluminum strip during directional transport. This table not only carries the aluminum strip but also guides it in a predetermined direction, providing a stable transport path for subsequent straightening operations. A straightening conveyor roller 3 is embedded and rotatably mounted on the upper surface of the straightening conveyor table 2 to ensure stable transport of the aluminum strip during the straightening of curved sections. During the aluminum strip transport process, the straightening conveyor roller 3 rotates with the movement of the strip, reducing the friction between the strip and the conveyor table, while ensuring the stability of the strip during transport and preventing deviation or swaying. An adsorption through-hole 4 is located at the upper end of the straightening conveyor table 2, between the straightening conveyor rollers 3, extending to the lower end of the straightening frame 1 to adsorb and straighten the upwardly curved sections of the aluminum strip downwards. When the aluminum strip has an upwardly bent portion, the high-pressure suction pump 15 operates, generating a strong suction force through the hollow suction plate 14 and the suction through hole 4, which adsorbs the upwardly bent portion of the aluminum strip downward, gradually restoring it to a flat state.

[0025] The lifting plate 5 can move up and down under the action of the lifting cylinder 12, thereby adjusting the distance between it and the straightening conveyor table 2 to adapt to the straightening requirements of aluminum strips of different thicknesses. A straightening pressure roller 6 is evenly rotated within the cavity of the lifting plate 5 to press down and straighten the bent parts of the aluminum strip surface from above and convey it. When the lifting plate 5 descends, the straightening pressure roller 6 cooperates with the straightening conveyor roller 3 to apply pressure to the aluminum strip from both above and below, straightening the bent parts of the aluminum strip surface, while simultaneously driving the aluminum strip forward during rotation. A holding pressure plate 7 is provided on the bottom surface of the other end of the lifting plate 5 to keep the aluminum strip in a horizontal state after bending and straightening. After the aluminum strip has passed through the straightening pressure roller 6 and the straightening conveyor roller 3 for straightening, the holding pressure plate 7 applies a certain pressure to the aluminum strip, eliminating residual stress inside the aluminum strip, keeping it in a horizontal state for continued conveying, and preventing secondary bending.

[0026] A circular mounting groove 8 is evenly distributed on one side of the upper surface of the straightening conveyor table 2. The straightening conveyor rollers 3 are all rotatably mounted in the circular mounting grooves 8, and the upper ends of the straightening conveyor rollers 3 are on the surface of the straightening conveyor table 2. This mounting method allows the straightening conveyor rollers 3 to rotate stably and be flush with the surface of the straightening conveyor table 2, ensuring that the aluminum strip can pass smoothly during the conveying process without being obstructed or deviating due to the height difference of the roller surfaces.

[0027] A through slot 9 is provided at one end of the surface of the lifting plate 5. The straightening lower pressure roller 6 is rotatably mounted inside the through slot 9, and the shaft of the straightening lower pressure roller 6 extends through to the outer side of the lifting plate 5. The through slot 9 provides space for the installation and rotation of the straightening lower pressure roller 6. At the same time, the shaft extends through to the outer side of the lifting plate 5, which facilitates the transmission connection with the servo motor group 10 to realize the power input to the straightening lower pressure roller 6.

[0028] Servo motor units 10 are evenly distributed on one outer side of the lifting plate 5. The rotating shaft of the servo motor unit 10 is connected to the rotating shaft of the straightening lower pressure roller 6. After the straightening lower pressure roller 6 moves down, it is perpendicularly intersected with the straightening conveyor roller 3 to straighten and convey the aluminum strip. The servo motor unit 10 can precisely control the rotation speed and direction of the straightening lower pressure roller 6, and adjust the straightening pressure and conveying speed according to the different degrees of curvature and material characteristics of the aluminum strip. The perpendicularly intersecting arrangement allows the straightening lower pressure roller 6 and the straightening conveyor roller 3 to apply straightening force to the aluminum strip from multiple angles, enhancing the correction effect on complex bending shapes.

[0029] A straightening outer protective frame 11 is provided at the end of the straightening conveyor table 2. The straightening outer protective frame 11 serves to protect and support the straightening process, preventing external factors from interfering with the straightening process. Lifting cylinders 12 are evenly distributed on the upper inner side of the straightening outer protective frame 11, and the lifting cylinders 12 are fixed to the upper side of the lifting plate 5. The lifting cylinders 12, through their telescopic movement, drive the lifting plate 5 to move up and down, thereby flexibly adjusting the distance between the straightening lower pressure roller 6 and the straightening conveyor roller 3 to adapt to the straightening requirements of aluminum strips of different thicknesses, ensuring efficient straightening of all types of aluminum strips.

[0030] A pressure-relieving cylinder 13 is evenly provided on one side surface of the lifting plate 5. One end of the pressure-relieving cylinder 13 extends through to the bottom of the lifting plate 5 and is fixed to the upper surface of the pressure-relieving plate 7. The pressure-relieving cylinder 13 can dynamically adjust the pressure of the pressure-relieving plate 7 according to the material of the aluminum strip and the straightening situation, ensuring that the aluminum strip is always transported in a horizontal state after straightening, effectively avoiding secondary deformation caused by stress release.

[0031] The lower end face of the straightening frame 1 is provided with a perforated suction plate 14 that penetrates and communicates with the bottom end of the adsorption through hole 4. A high-pressure suction pump 15 is provided on the corresponding bottom side of the perforated suction plate 14. One end of the high-pressure suction pump 15 is connected to the perforated suction plate 14 through a pressure relief valve. When the high-pressure suction pump 15 is working, a strong negative pressure area is formed through the perforated suction plate 14 and the adsorption through hole 4, which generates a strong downward adsorption force on the upwardly bent part of the aluminum strip. This force, combined with the downward pressure of the straightening lower roller 6, forms a bidirectional straightening force, improving the straightening effect on complex bending shapes of the aluminum strip. The pressure relief valve is used to adjust the magnitude of the adsorption force to prevent damage to the aluminum strip due to excessive adsorption force.

[0032] Specifically, during operation, the aluminum strip straightening mechanism delivers the aluminum strip from external equipment to the straightening conveyor table 2 on the straightening frame 1. The straightening conveyor rollers 3, embedded and rotating on the straightening conveyor table 2, roll along with the aluminum strip as it moves, reducing conveying friction. Simultaneously, the circular mounting grooves 8 ensure that the straightening conveyor rollers 3 are flush with the table surface, preventing the aluminum strip from shifting due to the height difference between the roller surfaces. When the aluminum strip has an upwardly bent portion, the high-pressure suction pump 15 is activated, generating negative pressure through the perforated suction plate 14 and the adsorption through-holes 4, drawing the upwardly bent portion of the aluminum strip downwards, completing the initial straightening and posture fixation.

[0033] Subsequently, the lifting cylinder 12 drives the lifting plate 5 to move downwards, causing the straightening lower pressure roller 6 to intersect perpendicularly with the straightening conveyor roller 3. The servo motor unit 10 drives the straightening lower pressure roller 6 to rotate, forming a mechanical pressure field of upward and downward rolling with the straightening conveyor roller 3. The straightening lower pressure roller 6 applies pressure to the downward-bending part of the aluminum strip, and combined with the friction of the roller surface, it drives the aluminum strip forward and corrects the dent; the adsorption through-hole 4 continuously adsorbs the upward-bending part of the aluminum strip. The "upward pressure and downward suction" bidirectional action effectively eliminates complex deformations such as wavy bends and local warping of the aluminum strip. The servo motor unit 10 can also dynamically adjust the speed and pressure of the straightening lower pressure roller 6 according to the material and degree of bending of the aluminum strip, and adjust the roller spacing in conjunction with the lifting cylinder 12 to achieve precise straightening.

[0034] The straightened aluminum strip enters the working area of ​​the retaining pressure plate 7. The pressure-relieving cylinder 13 adjusts the pressure of the retaining pressure plate 7 in real time according to the material of the aluminum strip and the straightening situation. The pressure is applied evenly through elastic contact to eliminate residual stress inside the aluminum strip, avoid secondary bending, and ensure that the aluminum strip is output in a horizontal state. In addition, the straightening outer protective frame 11 provides physical protection, and the pressure relief valve of the high-pressure suction pump 15 regulates the adsorption pressure. All pneumatic and electric components are linked together under the coordination of the control system to form a closed-loop control, realizing intelligent adaptation and safe and stable operation of the entire aluminum strip straightening process.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An aluminum strip straightening mechanism characterized by, include: A straightening frame (1) is provided at the upper end of the straightening frame (1) for straightening the aluminum strip by directional conveying. A straightening conveying roller (3) is embedded and rotated on the upper end surface of the straightening conveying roller (2) for keeping the aluminum strip stable during the straightening of the curved part. An adsorption through hole (4) is provided at the upper end of the straightening conveying roller (2) and between the straightening conveying roller (3) for adsorbing and straightening the aluminum strip downwards by adsorbing the upward curved part of the aluminum strip to the lower end surface of the straightening frame (1). The lifting plate (5) has a straightening pressure roller (6) that rotates evenly in the cavity inside the lifting plate (5) to straighten and transport the bent part of the aluminum strip from the top. The bottom surface of the other end of the lifting plate (5) is provided with a holding pressure plate (7) that keeps the aluminum strip in a horizontal state after bending and straightening.

2. The aluminum strip straightening mechanism according to claim 1, characterized in that: The straightening conveyor table (2) has a circular mounting groove (8) evenly opened on one side of its upper end face. The straightening conveyor rollers (3) are all rotatably set in the circular mounting groove (8), and the upper end of the straightening conveyor rollers (3) is on the surface of the straightening conveyor table (2).

3. The aluminum strip straightening mechanism of claim 1, wherein: The lifting plate (5) has a through groove (9) at one end of its surface. The straightening lower pressure roller (6) is rotatably arranged inside the through groove (9), and the shaft of the straightening lower pressure roller (6) extends through to the outside of the lifting plate (5).

4. The aluminum strip straightening mechanism of claim 1, wherein: The lifting plate (5) has a servo motor group (10) evenly arranged on one side of its outer side. The rotating shaft of the servo motor group (10) is connected to the rotating shaft of the straightening lower pressure roller (6). After the straightening lower pressure roller (6) moves down, it is perpendicular to the straightening conveying roller (3) to straighten and convey the aluminum strip.

5. The aluminum strip straightening mechanism of claim 1, wherein: The straightening conveyor (2) is provided with a straightening outer protective frame (11) at its end. The upper inner side of the straightening outer protective frame (11) is uniformly provided with lifting cylinders (12), and the lifting cylinders (12) are fixed on the upper side of the lifting plate (5).

6. The aluminum strip straightening mechanism of claim 1, wherein: The lifting plate (5) has a pressure relief cylinder (13) evenly distributed on one side surface. One end of the pressure relief cylinder (13) extends through to the bottom of the lifting plate (5) and is fixed to the upper surface of the pressure relief plate (7).

7. The aluminum strip straightening mechanism of claim 1, wherein: The lower end face of the straightening frame (1) is provided with a hollow suction plate (14) that is connected through the bottom end of the adsorption through hole (4). A high pressure suction pump (15) is provided on the bottom side of the hollow suction plate (14). One end of the high pressure suction pump (15) is connected through the hollow suction plate (14) via a pressure relief valve.

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