A straightening device for multi-roller aluminum plate slitting and straightening process thereof

Abstract

The present application discloses a straightening device for slitting aluminum plates with multiple rollers, which relates to the technical field of manufacturing equipment, including a frame, a straightening roller, a support seat, and a bearing; it also includes a magnetic layer, a support assembly, and an erasing assembly; the support assembly plays a role in supporting and positioning the magnetic layer and the erasing assembly; the erasing assembly is arranged close to the straightening roller, and is used to erase the oil stains and hard debris adhering to the straightening roller; the magnetic layer is positioned between the support assembly and the erasing assembly, and plays a role in pressing the erasing assembly against the surface of the straightening roller through magnetic force; the magnetic layer includes a containing capsule and a magnetic material; the containing capsule is a capsule body, which is used to contain the magnetic material; the technical problem that the cleaning roller assembly of the straightening device for slitting aluminum plates with multiple rollers in the prior art is unstable in cleaning effect due to the insufficient intuitive and random force between the cleaning roller assembly and the straightening roller, and the wear of the straightening wheel may be aggravated while cleaning the roller is solved.

Description

Technical Field

[0001] The invention relates to the technical field of manufacturing equipment, and in particular to a straightening device for multi-roller aluminum plate slitting. Background Art

[0002] Aluminum coils need to be straightened before being cut into rectangular flat plates. In the prior art, roller straighteners are commonly used as straightening units. Roller straighteners use multiple straightening rollers to continuously bend and deform the aluminum plate to eliminate the uneven curvature of the aluminum plate, so that its curvature gradually decreases from large to small, and finally a straight aluminum plate is obtained; the basic structure of the roller straightener is composed of an upper roller system and a lower roller system that are relatively set. The lower roller system is fixed and the upper roller system is movable and adjustable. The pressure is controlled by adjusting the upper and lower positions of the upper frame as a whole or individually adjusting the upper and lower positions of the upper roller system to achieve straightening of the aluminum plate. In the production process of aluminum sheets and strips (aluminum coils), quality problems are prone to occur due to equipment or personnel operating errors. Oil stains and scratches are the most common quality problems: Oil stains refer to the surface oil visible to the naked eye during the slitting production and finished product inspection process; these oils are mainly caused by the roll neck or the upper and lower parts of the rolling mill outlet being thrown, splashed, or dripped on the aluminum coil, and the rolling mill thickness gauge head dripping oil. During straightening, these oil stains will adhere to the straightening rollers and then adhere to more aluminum plates; since most of the finished aluminum coils are used as decorative or packaging materials, they must have a clean surface; and the aluminum plate is thin, it is easy to form bubbles during the subsequent annealing. Due to the large amount of oil, excessive residues are formed at this place, which affects the use. This type of oil stain will cause great harm to the surface of the aluminum coil; the main reason for the scratches is that the surface of the rollers and guide rollers is adhered to hard debris, which will adhere to the aluminum coil and adhere to the straightening rollers of the roller straightener during straightening, thereby causing wear of the straightened aluminum plate and the straightening wheel.

[0003] In the prior art, the straightening roller is usually cleaned by arranging a roller cleaning assembly on the straightening roller. The structure of the roller cleaning assembly is generally as follows: Figure 2 The brush structure shown or Figure 3The strip cloth structure shown in the figure, the cleaning roller assembly of the strip cloth structure includes a support rod 005, a fixed rod 006 and a wiping cloth 310, the wiping cloth 310 is long and positioned on the long support rod 005, one end of the fixed rod 006 is fixed on the frame, and the other end is rotatably connected to the support rod 005; the cleaning roller assembly of the brush structure has a good cleaning effect on hard debris but an unsatisfactory cleaning effect on oil stains; the cleaning roller assembly of the strip cloth structure has a good effect on removing hard debris and oil stains, but in order to make the strip cloth close to the correction In order to clean the straightening roller, a certain force needs to be applied to the support rod 005 and the wiping cloth 310 thereon. The magnitude of this force is difficult to adjust intuitively and effectively. A small force will lead to limited cleaning effect, while a large force will cause the hard impurities accumulated on the wiping cloth 310 to aggravate the wear of the straightening roller (if the force is small, the force between the hard impurities and the straightening roller is reduced accordingly, and the damage to the straightening roller is relatively small); and because the wiping cloth 310 needs to be replaced regularly, the force will inevitably change due to the replacement of the wiping cloth 310.

[0004] Therefore, there is a need for a multi-roller aluminum plate slitting straightening device that is equipped with a roller cleaning assembly that has good cleaning effect and less wear on the straightening rollers. Summary of the invention

[0005] The embodiment of the present application provides a straightening device for slitting aluminum plates with multiple rollers, thereby solving the technical problems in the prior art that the cleaning effect of the roller cleaning component of the straightening device for slitting aluminum plates with multiple rollers is unstable due to the lack of intuitiveness and high randomness of the force between the roller cleaning component and the straightening roller, and the wear of the straightening wheel may be aggravated during roller cleaning. The technical effect of stabilizing the force exerted on the straightening roller by the roller cleaning component of the straightening device for slitting aluminum plates during roller cleaning is achieved.

[0006] The embodiment of the present application provides a straightening device for slitting aluminum plates with multiple rollers, comprising a frame, a straightening roller, a support seat, and a bearing. The frame is a supporting component of the straightening roller, the support seat is fixed on the frame, and the straightening roller is connected to the support seat by rotating around its own axis through the bearing, and also comprises a magnetic layer, a support assembly, and an erasing assembly;

[0007] The supporting assembly serves to support and position the magnetic layer and the erasing assembly;

[0008] The wiping assembly is arranged close to the straightening roller, and is used to wipe off the oil stains and hard debris adhering to the straightening roller during the rotation of the straightening roller;

[0009] The magnetic layer is positioned between the supporting assembly and the erasing assembly, and plays a role in pressing the erasing assembly against the surface of the straightening roller through magnetic force;

[0010] The magnetic layer includes a containing capsule and a magnetic material;

[0011] The accommodating capsule is a capsule body used for accommodating magnetic materials, and the accommodating capsule is fixed on the supporting component and the erasing component.

[0012] Further, the support assembly includes a support rod and a fixing rod;

[0013] The support rod is a long strip rod, which is in direct contact with the magnetic layer;

[0014] One end of the fixing rod is rotatably connected to the frame, and the other end is rotatably connected to the support rod to limit the movement of the support rod;

[0015] The main body of the erasing component is in the shape of an elongated strip.

[0016] Preferably, it also includes a displacement component and a sticking removal component;

[0017] The support assembly comprises an annular support frame, the main body of which is annular and is sleeved on the straightening roller;

[0018] The magnetic layer is annular and fixed on the inner wall of the annular support frame;

[0019] The erasing assembly is also annular, fixed on the inner wall of the magnet layer and close to the straightening roller;

[0020] The shifting assembly is positioned on the straightening roller and / or the frame, and plays the role of driving the annular erasing assembly to reciprocate along the axial direction of the straightening roller, and its structure is a hoisting mechanism or a magnet;

[0021] The sticking and removing component is used to stick and remove hard debris exposed on the erasing component when the erasing component is close to the supporting seat, so as to prevent the hard debris from continuously accumulating on the erasing component;

[0022] The adhesive removal assembly includes a support plate and a colloid layer;

[0023] The support plate is fixed on one end of the support base close to the erasing component, and plays a role in supporting and positioning the colloid layer, which is annular and contains colloid;

[0024] In actual use, after the erasing component is closely attached to the colloid layer, some hard debris will be adhered to the colloid layer.

[0025] Furthermore, the main body of the support component is in the shape of a ring and is sleeved on the straightening roller, and the magnetic layer and the erasing component are both in the shape of a ring and are fixed on the support component.

[0026] Preferably, the support assembly is in the shape of an elongated strip, and comprises a liquid storage capsule and a filling wax; the liquid storage capsule is a combination of a plurality of strip-shaped capsules, and each strip-shaped capsule is filled with the filling wax;

[0027] The magnetic layer and the erasing component are both in the shape of long strips. The magnetic layer is fixed on the liquid storage capsule body, and the erasing component is fixed on the magnetic layer.

[0028] Preferably, the liquid storage capsule is an elastic capsule, the support assembly further comprises a heating assembly, the heating assembly comprises a first contact, a second contact and a heating body; the first contact is positioned on the outer surface of the support assembly, the second contact is positioned on the support seat, and the heating body is connected to the straightening machine energy supply assembly through the first contact and the second contact;

[0029] In actual use, when the support component contacts the adhesive removal component, the heating body starts to heat the filling wax due to the circuit connection, the filling wax liquefies, and the entire support component repairs its deformation under the elastic force of the liquid storage bag body itself.

[0030] Preferably, the accommodating capsule is a combination of multiple capsules, and the number of capsules is greater than five; the accommodating capsule is made of elastic material; and the magnetic material is magnetic powder or magnetic fluid.

[0031] Preferably, the wiping component is a wiping cloth, the anti-scratch parts near the two sides of the wiping cloth are the anti-scratch parts, and the oil-absorbing part near the middle is the oil-absorbing part; the anti-scratch part is made of nylon cloth, and the oil-absorbing part is made of cotton cloth and / or oil-absorbing paper.

[0032] Preferably, the support assembly, the magnetic layer and the erasing assembly are all formed by splicing two semi-rings.

[0033] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0034] By adding a magnetic layer to the erasing component and the supporting component, the magnetic force is used to force the erasing component to be close to the straightening wheel, and by selecting magnetic layers of different specifications (different thicknesses), the force between the erasing component and the straightening wheel can be intuitively and stably selected; the technical problems in the prior art that the cleaning effect of the cleaning roller component of the straightening device for multi-roller aluminum plate slitting is unstable due to the lack of intuitiveness and high randomness of the force between the cleaning roller component and the straightening roller, and the wear of the straightening wheel may be aggravated during roller cleaning are effectively solved, thereby achieving the technical effect of stabilizing the force exerted on the straightening roller by the cleaning roller component of the straightening device for multi-roller aluminum plate slitting during roller cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 A schematic diagram of the positional relationship between the straightening rollers and the erasing assembly of the straightening device for multi-roller aluminum plate slitting of the present invention;

[0036] Figure 2 It is a schematic diagram of the positional relationship between the straightening roller and the brush in the prior art;

[0037] Figure 3 A schematic diagram of the positional relationship between a straightening roller in the prior art and an erasing assembly in the prior art;

[0038] Figure 4 It is a schematic diagram of the positional relationship between the magnetic layer and the erasing assembly of the straightening device for multi-roller aluminum plate slitting of the present invention;

[0039] Figure 5 It is a schematic diagram of the positional relationship between the support assembly and the magnetic layer of the straightening device for multi-roller aluminum plate slitting of the present invention;

[0040] Figure 6 It is a structural schematic diagram of a first structure of a shift assembly of a straightening device for multi-roller aluminum plate slitting of the present invention;

[0041] Figure 7 It is a structural schematic diagram of a second structure of the shifting assembly of the straightening device for multi-roller aluminum plate slitting of the present invention;

[0042] Figure 8 A schematic structural diagram of the wiping cloth of the straightening device for multi-roller aluminum plate slitting of the present invention;

[0043] Fig. 9 It is a structural schematic diagram of the adhesive removal component of the straightening device for multi-roller aluminum plate slitting of the present invention;

[0044] Fig.10 It is a schematic diagram of the positional relationship between the straightening rollers, the intermediate rollers and the support rollers of the straightening device for multi-roller aluminum plate slitting of the present invention;

[0045] Fig.11 It is a schematic diagram of the structure of the support assembly of the straightening device for multi-roller aluminum plate slitting of the present invention;

[0046] Fig.12 It is a schematic diagram of the positional relationship between the support assembly and the intermediate roller of the straightening device for multi-roller aluminum plate slitting of the present invention.

[0047] In the figure:

[0048] Straightening roller 001, support seat 002, bearing 003, brush 004, support rod 005, fixed rod 006, intermediate roller 007, support roller 008;

[0049] Magnetic layer 100, containing capsule 110, magnetic material 120;

[0050] Support assembly 200, annular support frame 210, liquid storage capsule 211, filling wax 212;

[0051] Wiping assembly 300, wiping cloth 310, anti-scratch portion 311, oil absorption portion 312;

[0052] The displacement assembly 400, the pulling rope 410, the hoist 420, the displacement magnet 430, and the electromagnet group 440;

[0053] Adhesive removal component 500, support plate 510, colloid layer 520;

[0054] Heating component 600 , first contact point 610 , second contact point 620 . DETAILED DESCRIPTION

[0055] To facilitate the understanding of the present invention, the present application will be described more comprehensively below with reference to the relevant drawings; the drawings show preferred embodiments of the present invention, but the present invention can be implemented in many different forms and is not limited to the embodiments described herein; on the contrary, the purpose of providing these embodiments is to enable a more thorough and comprehensive understanding of the disclosed content of the present invention.

[0056] It should be noted that the terms “vertical”, “horizontal”, “up”, “down”, “left”, “right” and similar expressions used in this document are only for illustrative purposes and do not represent the only implementation method.

[0057] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs; the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0058] See also Figure 4 , which is a schematic diagram of the positional relationship between the magnetic layer and the erasing assembly of the straightening device for multi-roller aluminum plate slitting of the present invention;

[0059] The straightening device for slitting aluminum plates with multiple rollers in the present application comprises a magnetic layer 100, a supporting assembly 200 and an erasing assembly 300. The present application adds a magnetic layer 100 to the erasing assembly 300 and the supporting assembly 200, and utilizes magnetic force to force the erasing assembly 300 to be in close contact with the straightening wheel 001. By selecting magnetic layers 100 of different specifications (different thicknesses), the force between the erasing assembly 300 and the straightening wheel 001 is intuitively and stably selected. The present application solves the technical problems in the prior art that the cleaning roller assembly of the straightening device for slitting aluminum plates with multiple rollers has an unstable cleaning effect due to the fact that the force between the cleaning roller assembly and the straightening roller is not intuitive and has a large randomness, and the wear of the straightening wheel may be aggravated while cleaning the rollers.

[0060] Embodiment 1

[0061] The multi-roller aluminum plate slitting straightening device of the present application includes a frame, a straightening roller 001, a support seat 002, a bearing 003, a magnetic layer 100, a support assembly 200 and an erasing assembly 300.

[0062] The frame is a supporting component of the straightening roller 001 , the supporting seat 002 is fixed on the frame, and the straightening roller 001 is connected to the supporting seat 002 by rotating around its own axis through the bearing 003 .

[0063] The support assembly 200 serves to support and position the magnetic layer 100 and the erasing assembly 300, and includes a support rod 005 and a fixed rod 006; the support rod 005 is a long strip rod that is in direct contact with the magnetic layer 100; one end of the fixed rod 006 is rotatably connected to the frame, and the other end is rotatably connected to the support rod 005 to limit the movement of the support rod.

[0064] The main body of the wiping component 300 is in the shape of a long strip, preferably cotton cloth or oil-absorbing paper, and is arranged close to the straightening roller 001 to wipe off the oil stains and hard debris adhering to the straightening roller 001 during the rotation of the straightening roller 001.

[0065] The magnetic layer 100 is positioned between the supporting component 200 and the erasing component 300, and plays the role of pressing the erasing component 300 against the surface of the straightening roller 001 through magnetic force; the magnetic layer 100 includes a containing capsule 110 and a magnetic material 120; the containing capsule 110 is a capsule body for containing the magnetic material 120, and the containing capsule 110 is fixed on the supporting component 200 and the erasing component 300; the magnetic material 120 is magnetic powder, magnetic fluid, etc.

[0066] Furthermore, in order to prevent the magnetic material 120 in the accommodating capsule 110 from being unevenly distributed due to long-term use of the magnetic layer 100, thereby affecting the erasing effect, the accommodating capsule 110 is a combination of multiple capsules, and the number of capsules is greater than five;

[0067] Preferably, in order to prevent the magnetic material 120 in the accommodating capsule 110 from being unevenly distributed due to long-term use of the magnetic layer 100, thereby affecting the erasing effect, the accommodating capsule 110 is made of an elastic material, preferably rubber.

[0068] In actual use, the erasing component 300 is pressed against the straightening roller 001 by the magnetic layer 100 to clean the straightening roller 001 ; different thicknesses of the magnetic layer 100 can be selected according to actual needs.

[0069] The technical solutions in the above embodiments of the present application have at least the following technical effects or advantages:

[0070] The present invention solves the technical problems in the prior art that the cleaning effect of the roller cleaning assembly of the straightening device for multi-roller aluminum plate slitting is unstable due to the lack of intuitive and random force between the roller cleaning assembly and the straightening roller, and the wear of the straightening wheel may be aggravated during roller cleaning. The present invention achieves the technical effect of stabilizing the force exerted on the straightening roller by the roller cleaning assembly of the straightening device for multi-roller aluminum plate slitting during roller cleaning.

[0071] Embodiment 2

[0072] Considering that in actual use, the scheme in the first embodiment will cause the hard debris on the straightening roller 001 to accumulate continuously on the erasing assembly 300, resulting in the need for frequent replacement of the erasing assembly 300 (daily replacement or even more frequent), otherwise it will easily lead to continuous wear of the straightening roller 001, and the replacement process is cumbersome and time-consuming, and even affects the normal straightening work; in view of the above problems, the embodiment of the present application makes certain improvements to the structures of the support assembly 200, the magnetic layer 100 and the erasing assembly 300 on the basis of the above embodiment, and adds a shifting assembly 400 and a sticking removal assembly 500, specifically:

[0073] like Figure 5 As shown, the support assembly 200 includes an annular support frame 210, the main body of which is annular and is sleeved on the straightening roller 001;

[0074] The magnetic layer 100 is annular and fixed on the inner wall of the annular support frame 210;

[0075] The erasing assembly 300 is also annular, fixed on the inner wall of the magnetic layer 100 and close to the straightening roller 001;

[0076] Preferably, in order to facilitate disassembly, the support assembly 200, the magnetic layer 100 and the erasing assembly 300 are all formed by splicing two semi-rings;

[0077] Preferably, in order to facilitate replacement, the erasing assembly 300 is connected to the magnetic layer 100 in a detachable fixed connection, preferably through Velcro.

[0078] The shifting assembly 400 is positioned on the straightening roller 001 and / or the frame, and plays the role of driving the annular erasing assembly 300 to reciprocate along the axial direction of the straightening roller 001. Its structure can be a hoisting mechanism or a magnet;

[0079] Preferably, the displacement assembly 400 is as follows Figure 6As shown, it includes a pulling rope 410 and a winch 420, the winch 420 is fixed on the frame, one end of the pulling rope 410 is fixed on the supporting assembly 200, and the other end is positioned on the winch 420, the number of the pulling rope 410 and the winch 420 are both multiple, the winch 420 moves the erasing assembly 300 by winding and releasing the pulling rope 410, and the operation of the winch 420 is controlled by the control unit of the straightening device;

[0080] Preferably, the displacement assembly 400 is as follows Figure 7 As shown, it includes a magnet, a pulling rope 410 and a winch 420. The straightening roller 001 is a hollow structure, and the magnet is a block, which is slidably positioned inside the straightening roller 001. The pulling rope 410 and the winch 420 are both two in number and are symmetrically arranged. The winch 420 is fixed on the frame, one end of the pulling rope 410 is fixed on the magnet, and the other end is positioned on the winch 420. The operation of the winch 420 is controlled by the control unit of the straightening device. The winch 420 moves the magnet by winding and releasing the pulling rope 410. The magnet attracts the magnetic layer 100 to move through magnetic force, thereby driving the erasing component 300 to move.

[0081] Preferably, in order to avoid the strength limitation of the hollow straightening roller 001, the displacement assembly 400 is as follows: Figure 1 As shown, the electromagnet group 440 is positioned inside the straightening roller 001. By turning the electromagnet on and off, the magnetic layer 100 is attracted to move, thereby driving the erasing assembly 300 to move.

[0082] Preferably, Figure 8 As shown, the wiping component 300 is a wiping cloth 310, the anti-scratch part 311 near the two sides of the wiping cloth 310, and the oil absorption part 312 near the middle; the anti-scratch part 311 is composed of nylon cloth, and the oil absorption part 312 is composed of cotton cloth and / or oil absorbing paper.

[0083] like Fig. 9 As shown, the adhesive removal component 500 is used to remove hard debris exposed on the erasing component 300 when the erasing component 300 is close to the support seat 002, so as to prevent the hard debris from continuously accumulating on the erasing component 300; the adhesive removal component 500 includes a support plate 510 and a colloid layer 520; the support plate 510 is fixed on one end of the support seat 002 close to the erasing component 300, and plays a role in supporting and positioning the colloid layer 520, and the colloid layer 520 is annular and contains colloid; in actual use, after the erasing component 300 is close to the colloid layer 520, some hard debris will be adhered to the colloid layer 520.

[0084] Preferably, the colloid layer 520 is formed by stacking a plurality of annular self-adhesive stickers, and the outermost one can be torn off after being used for a period of time.

[0085] Embodiment 3

[0086] like Fig.10 As shown, considering that the solution of the second embodiment has the problem that the annular support assembly 200, the magnetic layer 100 and the erasing assembly 300 cannot adapt to the straightening roller 001 when adapting to the straightening machine including the intermediate roller 007 and / or the supporting roller 008 similar to the patent number CN109127782A (the intermediate roller 007 and / or the supporting roller 008 need to contact the straightening roller 001 to provide support thereto), in order to improve the applicability of the present application, this embodiment makes certain improvements to the support assembly 200, the magnetic layer 100 and the erasing assembly 300 on the basis of the above embodiment, specifically:

[0087] The main body of the support assembly 200 is as follows Fig.11 The ring-shaped (two-thirds of a circle or more) shown is sleeved on the straightening roller 001 , and the magnetic layer 100 and the erasing assembly 300 are both ring-shaped and fixed on the supporting assembly 200 .

[0088] Considering that most straightening rollers 001 are non-standard parts and the diameters of the straightening rollers 001 are mostly different, it is difficult to find a support assembly 200 of suitable size (fitting), and it is also difficult to find a matching support assembly 200 after damage. In order to improve the practicality of this application, it is preferred that:

[0089] like Fig.11 and Fig.12 As shown, the support component 200 is long and includes a liquid storage capsule 211 and a filling wax 212; the liquid storage capsule 211 is a combination of multiple strip-shaped capsules, each of which is filled with filling wax 212 (paraffin wax); the magnetic layer 100 and the erasing component 300 are both long and strip-shaped, the magnetic layer 100 is fixed on the liquid storage capsule 211, and the erasing component 300 is fixed on the magnetic layer 100; in actual use, it is only necessary to soak the support component 200, the magnetic layer 100 and the erasing component 300 in hot water, and after the paraffin wax is liquefied, the erasing component 300 is wrapped on the straightening roller 001 (the paraffin wax will naturally cool and solidify).

[0090] In order to avoid deformation of the support component 200 caused by long-term use, preferably, the liquid storage capsule 211 is an elastic capsule, and the support component 200 also includes a heating component 600, and the heating component 600 includes a first contact 610, a second contact 620 and a heating body; the heating body is preferably an electric heating wire, the first contact 610 is positioned on the outer surface of the support component 200, and the second contact 620 is positioned on the support seat 002, and the heating body is connected to the straightening machine power supply component through the first contact 610 and the second contact 620; in actual use, when the support component 200 is in contact with the adhesive removal component 500, the heating body starts to heat the filling wax 212 due to the circuit connection (heating stops after detachment), and the filling wax 212 liquefies, and the entire support component 200 repairs its deformation under the elastic force of the liquid storage capsule 211 itself.

[0091] The straightening process of the straightening device for multi-roller aluminum plate slitting in this application is as follows:

[0092] 1. Soak the support assembly 200, the magnetic layer 100 and the erasing assembly 300 in 70 degrees Celsius water for 3 to 5 minutes;

[0093] 2. After the paraffin is liquefied, the support assembly 200, the magnetic layer 100 and the erasing assembly 300 are coated on the straightening roller 001;

[0094] 3. Control the shift assembly 400 to operate, and control the straightening roller 001 to rotate, and start straightening the aluminum plate.

[0095] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A straightening device for slitting aluminum plates with multiple rollers, comprising a frame, a straightening roller (001), a support seat (002), and a bearing (003), wherein the frame is a supporting component of the straightening roller (001), the support seat (002) is fixed on the frame, and the straightening roller (001) is connected to the support seat (002) by rotating around its own axis through the bearing (003), characterized in that: It also includes a magnetic layer (100), a supporting assembly (200) and an erasing assembly (300); The supporting assembly (200) serves to support and position the magnetic layer (100) and the erasing assembly (300); The wiping component (300) is arranged close to the straightening roller (001) and is used to wipe off oil stains and hard debris adhering to the straightening roller (001) during the rotation of the straightening roller (001); The magnetic layer (100) is positioned between the supporting assembly (200) and the erasing assembly (300), and plays a role in forcing the erasing assembly (300) to contact the surface of the straightening roller (001) through magnetic force; The magnetic layer (100) comprises a containing capsule (110) and a magnetic material (120); The accommodating capsule (110) is a capsule body used to accommodate the magnetic material (120), and the accommodating capsule (110) is fixed on the supporting component (200) and the erasing component (300); The support assembly (200) comprises a support rod (005) and a fixing rod (006); The support rod (005) is a long strip rod, which is in direct contact with the magnetic layer (100); One end of the fixing rod (006) is rotatably connected to the frame, and the other end is rotatably connected to the support rod (005) to limit the movement of the support rod; The main body of the erasing component (300) is in the shape of a long strip; Also includes a displacement component (400) and a sticky removal component (500); The support assembly (200) comprises an annular support frame (210), the main body of which is annular and is sleeved on the straightening roller (001); The magnetic layer (100) is annular and fixed on the inner wall of the annular support frame (210); The erasing assembly (300) is also annular and is fixed on the inner wall of the magnetic layer (100) and is in close contact with the straightening roller (001); The shifting assembly (400) is positioned on the straightening roller (001) and / or the frame, and plays the role of driving the annular erasing assembly (300) to reciprocate along the axial direction of the straightening roller (001), and its structure is a hoisting mechanism or a magnet; The sticking and removing component (500) is used to stick and remove hard debris exposed on the erasing component (300) when the erasing component (300) is close to the support seat (002), so as to prevent the hard debris from continuously accumulating on the erasing component (300); The sticky removal assembly (500) comprises a support plate (510) and a colloid layer (520); The support plate (510) is fixed on one end of the support base (002) close to the erasing component (300) to support and position the colloid layer (520). The colloid layer (520) is annular and contains colloid. In actual use, after the erasing component (300) is closely attached to the colloid layer (520), some hard debris will be adhered to the colloid layer (520).

2. The multi-roller aluminum plate slitting straightening device according to claim 1, characterized in that: The main body of the support component (200) is in the shape of a ring and is sleeved on the straightening roller (001); the magnetic layer (100) and the erasing component (300) are both in the shape of a ring and are fixed on the support component (200).

3. The multi-roller aluminum plate slitting straightening device according to claim 1, characterized in that: The support assembly (200) is in an elongated strip shape, and comprises a liquid storage capsule (211) and a filling wax (212); the liquid storage capsule (211) is a combination of a plurality of strip-shaped capsules, and each strip-shaped capsule is filled with the filling wax (212); The magnetic layer (100) and the erasing component (300) are both in the shape of long strips; the magnetic layer (100) is fixed on the liquid storage capsule body (211), and the erasing component (300) is fixed on the magnetic layer (100).

4. The multi-roller aluminum plate slitting straightening device according to claim 3, characterized in that: The liquid storage capsule (211) is an elastic capsule, the support component (200) further comprises a heating component (600), and the heating component (600) comprises a first contact (610), a second contact (620) and a heating body; the first contact (610) is positioned on the outer surface of the support component (200), the second contact (620) is positioned on the support seat (002), and the heating body is connected to the straightening machine energy supply component through the first contact (610) and the second contact (620); In actual use, when the support component (200) contacts the adhesive removal component (500), the heating body starts to heat the filling wax (212) due to the circuit connection, the filling wax (212) liquefies, and the entire support component (200) repairs its deformation under the elastic force of the liquid storage bag body (211) itself.

5. The multi-roller aluminum plate slitting straightening device according to claim 3 or 4, characterized in that: The accommodating capsule (110) is a combination of multiple capsules, and the number of capsules is greater than five; the accommodating capsule (110) is made of elastic material; and the magnetic material (120) is magnetic powder or magnetic fluid.

6. The multi-roller aluminum plate slitting straightening device according to any one of claims 1 to 4, characterized in that: The wiping component (300) is a wiping cloth (310), the positions near the two sides of the wiping cloth (310) are anti-scratch parts (311), and the position near the middle is an oil absorption part (312); the anti-scratch part (311) is made of nylon cloth, and the oil absorption part (312) is made of cotton cloth and / or oil absorption paper.

7. The multi-roller aluminum plate slitting straightening device according to claim 1, characterized in that: The support component (200), the magnetic layer (100) and the erasing component (300) are all formed by splicing two semi-rings.

8. A straightening process of a straightening device for slitting aluminum plates with multiple rollers, characterized in that: The multi-roller aluminum plate slitting straightening device as claimed in claim 3 or 4 is equipped with the following process steps: 1) Soak the support assembly (200), the magnetic layer (100) and the erasing assembly (300) in 70 degrees Celsius water for 3 to 5 minutes; 2) After the paraffin wax is liquefied, the support assembly (200), the magnetic layer (100) and the erasing assembly (300) are wrapped on the straightening roller (001); 3) Control the shift assembly (400) to operate and control the straightening roller (001) to rotate to start straightening the aluminum plate.

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